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ef79bbde | 1 | /*************************************************************************** |
8254b5a7 | 2 | * Copyright (C) 2019 Ryan Schultz, PCSX-df Team, PCSX team, gameblabla, * |
3 | * dmitrysmagin, senquack * | |
ef79bbde P |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU General Public License as published by * | |
7 | * the Free Software Foundation; either version 2 of the License, or * | |
8 | * (at your option) any later version. * | |
9 | * * | |
10 | * This program is distributed in the hope that it will be useful, * | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
13 | * GNU General Public License for more details. * | |
14 | * * | |
15 | * You should have received a copy of the GNU General Public License * | |
16 | * along with this program; if not, write to the * | |
17 | * Free Software Foundation, Inc., * | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
19 | ***************************************************************************/ | |
20 | ||
7a8d521f | 21 | /* Gameblabla 2018-2019 : |
8254b5a7 | 22 | * Numerous changes to bios calls as well as improvements in order to conform to nocash's findings |
23 | * for the PSX bios calls. Thanks senquack for helping out with some of the changes | |
24 | * and helping to spot issues and refine my patches. | |
25 | * */ | |
26 | ||
ef79bbde P |
27 | /* |
28 | * Internal simulated HLE BIOS. | |
29 | */ | |
30 | ||
31 | // TODO: implement all system calls, count the exact CPU cycles of system calls. | |
32 | ||
33 | #include "psxbios.h" | |
34 | #include "psxhw.h" | |
ddbaf678 | 35 | #include "gpu.h" |
7a8d521f | 36 | #include "sio.h" |
dc4fa8bc | 37 | #include "psxhle.h" |
496d88d4 | 38 | #include <zlib.h> |
ef79bbde | 39 | |
3cf51e08 | 40 | #if (defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__) |
41 | #pragma GCC diagnostic ignored "-Wpointer-sign" | |
42 | #endif | |
43 | ||
452b85f9 | 44 | #undef SysPrintf |
45 | #define SysPrintf if (Config.PsxOut) printf | |
46 | ||
ef79bbde P |
47 | char *biosA0n[256] = { |
48 | // 0x00 | |
49 | "open", "lseek", "read", "write", | |
50 | "close", "ioctl", "exit", "sys_a0_07", | |
51 | "getc", "putc", "todigit", "atof", | |
52 | "strtoul", "strtol", "abs", "labs", | |
53 | // 0x10 | |
54 | "atoi", "atol", "atob", "setjmp", | |
55 | "longjmp", "strcat", "strncat", "strcmp", | |
56 | "strncmp", "strcpy", "strncpy", "strlen", | |
57 | "index", "rindex", "strchr", "strrchr", | |
58 | // 0x20 | |
59 | "strpbrk", "strspn", "strcspn", "strtok", | |
60 | "strstr", "toupper", "tolower", "bcopy", | |
61 | "bzero", "bcmp", "memcpy", "memset", | |
62 | "memmove", "memcmp", "memchr", "rand", | |
63 | // 0x30 | |
64 | "srand", "qsort", "strtod", "malloc", | |
65 | "free", "lsearch", "bsearch", "calloc", | |
66 | "realloc", "InitHeap", "_exit", "getchar", | |
67 | "putchar", "gets", "puts", "printf", | |
68 | // 0x40 | |
69 | "sys_a0_40", "LoadTest", "Load", "Exec", | |
70 | "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", | |
71 | "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", | |
72 | "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", | |
73 | // 0x50 | |
74 | "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", | |
75 | "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", | |
76 | "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", | |
77 | "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", | |
78 | // 0x60 | |
79 | "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", | |
80 | "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", | |
81 | "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", | |
82 | "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", | |
83 | // 0x70 | |
dc4fa8bc | 84 | "_bu_init", "_96_init", "CdRemove", "sys_a0_73", |
ef79bbde P |
85 | "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", |
86 | "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", | |
87 | "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", | |
88 | // 0x80 | |
89 | "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", | |
90 | "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", | |
91 | "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", | |
92 | "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", | |
93 | // 0x90 | |
94 | "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", | |
95 | "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", | |
96 | "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", | |
97 | "SetConf", "GetConf", "sys_a0_9e", "SetMem", | |
98 | // 0xa0 | |
99 | "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", | |
100 | "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", | |
101 | "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", | |
102 | "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", | |
103 | // 0xb0 | |
104 | "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", | |
105 | "?? sub_function", | |
106 | }; | |
107 | ||
108 | char *biosB0n[256] = { | |
109 | // 0x00 | |
110 | "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", | |
111 | "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", | |
112 | "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", | |
113 | "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", | |
114 | // 0x10 | |
115 | "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", | |
116 | "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", | |
117 | "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", | |
118 | "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", | |
119 | // 0x20 | |
120 | "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", | |
121 | "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", | |
122 | "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", | |
123 | "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", | |
124 | // 0x30 | |
125 | "sys_b0_30", "sys_b0_31", "open", "lseek", | |
126 | "read", "write", "close", "ioctl", | |
127 | "exit", "sys_b0_39", "getc", "putc", | |
128 | "getchar", "putchar", "gets", "puts", | |
129 | // 0x40 | |
130 | "cd", "format", "firstfile", "nextfile", | |
131 | "rename", "delete", "undelete", "AddDevice", | |
132 | "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", | |
133 | "StopCARD", "sys_b0_4d", "_card_write", "_card_read", | |
134 | // 0x50 | |
135 | "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", | |
136 | "_get_errno", "_get_error", "GetC0Table", "GetB0Table", | |
137 | "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", | |
138 | "_card_status", "_card_wait", | |
139 | }; | |
140 | ||
141 | char *biosC0n[256] = { | |
142 | // 0x00 | |
143 | "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", | |
144 | "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", | |
145 | "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", | |
146 | "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", | |
147 | // 0x10 | |
148 | "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", | |
149 | "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", | |
150 | "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", | |
151 | "PatchAOTable", | |
152 | }; | |
153 | ||
154 | //#define r0 (psxRegs.GPR.n.r0) | |
155 | #define at (psxRegs.GPR.n.at) | |
156 | #define v0 (psxRegs.GPR.n.v0) | |
157 | #define v1 (psxRegs.GPR.n.v1) | |
158 | #define a0 (psxRegs.GPR.n.a0) | |
159 | #define a1 (psxRegs.GPR.n.a1) | |
160 | #define a2 (psxRegs.GPR.n.a2) | |
161 | #define a3 (psxRegs.GPR.n.a3) | |
162 | #define t0 (psxRegs.GPR.n.t0) | |
163 | #define t1 (psxRegs.GPR.n.t1) | |
164 | #define t2 (psxRegs.GPR.n.t2) | |
165 | #define t3 (psxRegs.GPR.n.t3) | |
166 | #define t4 (psxRegs.GPR.n.t4) | |
167 | #define t5 (psxRegs.GPR.n.t5) | |
168 | #define t6 (psxRegs.GPR.n.t6) | |
169 | #define t7 (psxRegs.GPR.n.t7) | |
170 | #define t8 (psxRegs.GPR.n.t8) | |
171 | #define t9 (psxRegs.GPR.n.t9) | |
172 | #define s0 (psxRegs.GPR.n.s0) | |
173 | #define s1 (psxRegs.GPR.n.s1) | |
174 | #define s2 (psxRegs.GPR.n.s2) | |
175 | #define s3 (psxRegs.GPR.n.s3) | |
176 | #define s4 (psxRegs.GPR.n.s4) | |
177 | #define s5 (psxRegs.GPR.n.s5) | |
178 | #define s6 (psxRegs.GPR.n.s6) | |
179 | #define s7 (psxRegs.GPR.n.s7) | |
180 | #define k0 (psxRegs.GPR.n.k0) | |
181 | #define k1 (psxRegs.GPR.n.k1) | |
182 | #define gp (psxRegs.GPR.n.gp) | |
183 | #define sp (psxRegs.GPR.n.sp) | |
184 | #define fp (psxRegs.GPR.n.s8) | |
185 | #define ra (psxRegs.GPR.n.ra) | |
186 | #define pc0 (psxRegs.pc) | |
187 | ||
188 | #define Ra0 ((char *)PSXM(a0)) | |
189 | #define Ra1 ((char *)PSXM(a1)) | |
190 | #define Ra2 ((char *)PSXM(a2)) | |
191 | #define Ra3 ((char *)PSXM(a3)) | |
192 | #define Rv0 ((char *)PSXM(v0)) | |
193 | #define Rsp ((char *)PSXM(sp)) | |
194 | ||
195 | typedef struct { | |
196 | u32 desc; | |
197 | s32 status; | |
198 | s32 mode; | |
199 | u32 fhandler; | |
200 | } EvCB[32]; | |
201 | ||
202 | #define EvStUNUSED 0x0000 | |
203 | #define EvStWAIT 0x1000 | |
204 | #define EvStACTIVE 0x2000 | |
205 | #define EvStALREADY 0x4000 | |
206 | ||
207 | #define EvMdINTR 0x1000 | |
208 | #define EvMdNOINTR 0x2000 | |
209 | ||
210 | /* | |
211 | typedef struct { | |
212 | s32 next; | |
213 | s32 func1; | |
214 | s32 func2; | |
215 | s32 pad; | |
216 | } SysRPst; | |
217 | */ | |
218 | ||
219 | typedef struct { | |
dc4fa8bc | 220 | u32 status; |
221 | u32 mode; | |
ef79bbde | 222 | u32 reg[32]; |
dc4fa8bc | 223 | u32 epc; |
224 | u32 hi, lo; | |
225 | u32 sr, cause; | |
226 | u32 unused[9]; | |
ef79bbde P |
227 | } TCB; |
228 | ||
7a8d521f | 229 | typedef struct { |
ef79bbde P |
230 | u32 _pc0; |
231 | u32 gp0; | |
232 | u32 t_addr; | |
233 | u32 t_size; | |
234 | u32 d_addr; | |
235 | u32 d_size; | |
236 | u32 b_addr; | |
237 | u32 b_size; | |
238 | u32 S_addr; | |
239 | u32 s_size; | |
240 | u32 _sp, _fp, _gp, ret, base; | |
241 | } EXEC; | |
242 | ||
243 | struct DIRENTRY { | |
244 | char name[20]; | |
245 | s32 attr; | |
246 | s32 size; | |
247 | u32 next; | |
248 | s32 head; | |
249 | char system[4]; | |
250 | }; | |
251 | ||
252 | typedef struct { | |
253 | char name[32]; | |
254 | u32 mode; | |
255 | u32 offset; | |
256 | u32 size; | |
257 | u32 mcfile; | |
258 | } FileDesc; | |
259 | ||
ef79bbde P |
260 | static int *pad_buf = NULL; |
261 | static char *pad_buf1 = NULL, *pad_buf2 = NULL; | |
262 | static int pad_buf1len, pad_buf2len; | |
f25c285b | 263 | static int pad_stopped = 0; |
ef79bbde P |
264 | |
265 | static u32 regs[35]; | |
7a8d521f | 266 | static EvCB *EventCB; |
ef79bbde P |
267 | static EvCB *HwEV; // 0xf0 |
268 | static EvCB *EvEV; // 0xf1 | |
269 | static EvCB *RcEV; // 0xf2 | |
270 | static EvCB *UeEV; // 0xf3 | |
271 | static EvCB *SwEV; // 0xf4 | |
272 | static EvCB *ThEV; // 0xff | |
26b964b5 | 273 | static u32 heap_size = 0; |
ef79bbde P |
274 | static u32 *heap_addr = NULL; |
275 | static u32 *heap_end = NULL; | |
ef79bbde | 276 | static int CardState = -1; |
ef79bbde P |
277 | static int CurThread = 0; |
278 | static FileDesc FDesc[32]; | |
7a8d521f | 279 | static u32 card_active_chan = 0; |
ef79bbde | 280 | |
dc4fa8bc | 281 | // fixed RAM offsets, SCPH1001 compatible |
282 | #define A_TT_ExCB 0x0100 | |
283 | #define A_TT_PCB 0x0108 | |
284 | #define A_TT_TCB 0x0110 | |
285 | #define A_A0_TABLE 0x0200 | |
286 | #define A_B0_TABLE 0x0874 | |
287 | #define A_C0_TABLE 0x0674 | |
288 | #define A_SYSCALL 0x0650 | |
289 | #define A_EXCEPTION 0x0c80 | |
290 | #define A_EXC_SP 0x6cf0 | |
291 | #define A_EEXIT_DEF 0x6cf4 | |
7650b754 | 292 | #define A_KMALLOC_PTR 0x7460 |
293 | #define A_KMALLOC_SIZE 0x7464 | |
294 | #define A_KMALLOC_END 0x7468 | |
dc4fa8bc | 295 | #define A_EEXIT_PTR 0x75d0 |
296 | #define A_EXC_STACK 0x85d8 // exception stack top | |
297 | #define A_RCNT_VBL_ACK 0x8600 | |
298 | #define A_EXC_GP 0xf450 | |
299 | ||
300 | #define HLEOP(n) SWAPu32((0x3b << 26) | (n)); | |
301 | ||
302 | static u32 loadRam32(u32 addr) | |
303 | { | |
304 | assert(!(addr & 0x5f800000)); | |
305 | return SWAP32(*((u32 *)psxM + ((addr & 0x1fffff) >> 2))); | |
306 | } | |
ef79bbde | 307 | |
dc4fa8bc | 308 | static void *castRam32ptr(u32 addr) |
309 | { | |
310 | assert(!(addr & 0x5f800003)); | |
311 | return psxM + (addr & 0x1ffffc); | |
312 | } | |
313 | ||
314 | static void *loadRam32ptr(u32 addr) | |
315 | { | |
316 | return castRam32ptr(loadRam32(addr)); | |
317 | } | |
318 | ||
319 | static void storeRam32(u32 addr, u32 d) | |
320 | { | |
321 | assert(!(addr & 0x5f800000)); | |
322 | *((u32 *)psxM + ((addr & 0x1fffff) >> 2)) = SWAP32(d); | |
323 | } | |
ef79bbde | 324 | |
dc4fa8bc | 325 | static void mips_return(u32 val) |
326 | { | |
327 | v0 = val; | |
328 | pc0 = ra; | |
329 | } | |
ef79bbde | 330 | |
dc4fa8bc | 331 | static void use_cycles(u32 cycle) |
332 | { | |
333 | psxRegs.cycle += cycle * 2; | |
334 | } | |
ef79bbde | 335 | |
dc4fa8bc | 336 | static void mips_return_c(u32 val, u32 cycle) |
337 | { | |
338 | use_cycles(cycle); | |
339 | mips_return(val); | |
ef79bbde P |
340 | } |
341 | ||
dc4fa8bc | 342 | static void mips_return_void_c(u32 cycle) |
343 | { | |
344 | use_cycles(cycle); | |
345 | pc0 = ra; | |
346 | } | |
347 | ||
348 | static int returned_from_exception(void) | |
349 | { | |
350 | // 0x80000080 means it took another exception just after return | |
351 | return pc0 == k0 || pc0 == 0x80000080; | |
352 | } | |
353 | ||
354 | static inline void softCall(u32 pc) { | |
ef79bbde | 355 | u32 sra = ra; |
dc4fa8bc | 356 | u32 ssr = psxRegs.CP0.n.SR; |
ef79bbde P |
357 | pc0 = pc; |
358 | ra = 0x80001000; | |
dc4fa8bc | 359 | psxRegs.CP0.n.SR &= ~0x404; // disable interrupts |
ef79bbde | 360 | |
dc4fa8bc | 361 | while (pc0 != 0x80001000) |
362 | psxCpu->ExecuteBlock(EXEC_CALLER_HLE); | |
ef79bbde | 363 | |
ef79bbde | 364 | ra = sra; |
dc4fa8bc | 365 | psxRegs.CP0.n.SR = ssr; |
366 | } | |
ef79bbde | 367 | |
dc4fa8bc | 368 | static inline void softCallInException(u32 pc) { |
369 | u32 sra = ra; | |
370 | pc0 = pc; | |
371 | ra = 0x80001000; | |
372 | ||
373 | while (!returned_from_exception() && pc0 != 0x80001000) | |
374 | psxCpu->ExecuteBlock(EXEC_CALLER_HLE); | |
375 | ||
376 | if (pc0 == 0x80001000) | |
377 | ra = sra; | |
ef79bbde P |
378 | } |
379 | ||
380 | static inline void DeliverEvent(u32 ev, u32 spec) { | |
7a8d521f | 381 | if (EventCB[ev][spec].status != EvStACTIVE) return; |
ef79bbde | 382 | |
7a8d521f | 383 | // EventCB[ev][spec].status = EvStALREADY; |
384 | if (EventCB[ev][spec].mode == EvMdINTR) { | |
dc4fa8bc | 385 | softCall(EventCB[ev][spec].fhandler); |
7a8d521f | 386 | } else EventCB[ev][spec].status = EvStALREADY; |
ef79bbde P |
387 | } |
388 | ||
ef79bbde P |
389 | /* * |
390 | // * | |
391 | // * | |
392 | // System calls A0 */ | |
393 | ||
d99f6068 | 394 | |
395 | #define buread(Ra1, mcd, length) { \ | |
396 | SysPrintf("read %d: %x,%x (%s)\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2, Mcd##mcd##Data + 128 * FDesc[1 + mcd].mcfile + 0xa); \ | |
397 | ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
398 | memcpy(Ra1, ptr, length); \ | |
f1514614 | 399 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
d99f6068 | 400 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
401 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
f1514614 | 402 | v0 = 0; } \ |
d99f6068 | 403 | else v0 = length; \ |
404 | FDesc[1 + mcd].offset += v0; \ | |
405 | } | |
406 | ||
407 | #define buwrite(Ra1, mcd, length) { \ | |
408 | u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
409 | SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ | |
410 | ptr = Mcd##mcd##Data + offset; \ | |
411 | memcpy(ptr, Ra1, length); \ | |
f1514614 | 412 | FDesc[1 + mcd].offset += length; \ |
e49ac7a5 | 413 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \ |
f1514614 | 414 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
d99f6068 | 415 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
416 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
f1514614 | 417 | v0 = 0; } \ |
d99f6068 | 418 | else v0 = length; \ |
419 | } | |
420 | ||
dc4fa8bc | 421 | #ifndef PSXBIOS_LOG |
422 | //#define PSXBIOS_LOG printf | |
423 | #define PSXBIOS_LOG(...) | |
424 | #endif | |
d99f6068 | 425 | |
324cec89 | 426 | /* Internally redirects to "FileRead(fd,tempbuf,1)".*/ |
427 | /* For some strange reason, the returned character is sign-expanded; */ | |
428 | /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */ | |
429 | /* TODO FIX ME : Properly implement this behaviour */ | |
430 | void psxBios_getc(void) // 0x03, 0x35 | |
431 | { | |
d99f6068 | 432 | char *ptr; |
324cec89 | 433 | void *pa1 = Ra1; |
434 | #ifdef PSXBIOS_LOG | |
435 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]); | |
436 | #endif | |
437 | v0 = -1; | |
438 | ||
7a8d521f | 439 | if (pa1 != INVALID_PTR) { |
324cec89 | 440 | switch (a0) { |
441 | case 2: buread(pa1, 1, 1); break; | |
442 | case 3: buread(pa1, 2, 1); break; | |
443 | } | |
444 | } | |
445 | ||
446 | pc0 = ra; | |
447 | } | |
448 | ||
449 | /* Copy of psxBios_write, except size is 1. */ | |
450 | void psxBios_putc(void) // 0x09, 0x3B | |
451 | { | |
d99f6068 | 452 | char *ptr; |
324cec89 | 453 | void *pa1 = Ra1; |
454 | #ifdef PSXBIOS_LOG | |
455 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]); | |
456 | #endif | |
457 | v0 = -1; | |
7a8d521f | 458 | if (pa1 == INVALID_PTR) { |
324cec89 | 459 | pc0 = ra; |
460 | return; | |
461 | } | |
462 | ||
463 | if (a0 == 1) { // stdout | |
464 | char *ptr = (char *)pa1; | |
465 | ||
466 | v0 = a2; | |
467 | while (a2 > 0) { | |
468 | printf("%c", *ptr++); a2--; | |
469 | } | |
470 | pc0 = ra; return; | |
471 | } | |
472 | ||
473 | switch (a0) { | |
474 | case 2: buwrite(pa1, 1, 1); break; | |
475 | case 3: buwrite(pa1, 2, 1); break; | |
476 | } | |
477 | ||
478 | pc0 = ra; | |
479 | } | |
ef79bbde | 480 | |
ba11675c | 481 | void psxBios_todigit(void) // 0x0a |
482 | { | |
483 | int c = a0; | |
484 | #ifdef PSXBIOS_LOG | |
485 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]); | |
486 | #endif | |
487 | c &= 0xFF; | |
488 | if (c >= 0x30 && c < 0x3A) { | |
489 | c -= 0x30; | |
490 | } | |
491 | else if (c > 0x60 && c < 0x7B) { | |
492 | c -= 0x20; | |
493 | } | |
494 | else if (c > 0x40 && c < 0x5B) { | |
495 | c = c - 0x41 + 10; | |
496 | } | |
497 | else if (c >= 0x80) { | |
498 | c = -1; | |
499 | } | |
500 | else | |
501 | { | |
502 | c = 0x0098967F; | |
503 | } | |
504 | v0 = c; | |
505 | pc0 = ra; | |
506 | } | |
507 | ||
ef79bbde P |
508 | void psxBios_abs() { // 0x0e |
509 | if ((s32)a0 < 0) v0 = -(s32)a0; | |
510 | else v0 = a0; | |
511 | pc0 = ra; | |
512 | } | |
513 | ||
514 | void psxBios_labs() { // 0x0f | |
515 | psxBios_abs(); | |
516 | } | |
517 | ||
518 | void psxBios_atoi() { // 0x10 | |
519 | s32 n = 0, f = 0; | |
520 | char *p = (char *)Ra0; | |
521 | ||
522 | for (;;p++) { | |
523 | switch (*p) { | |
524 | case ' ': case '\t': continue; | |
525 | case '-': f++; | |
526 | case '+': p++; | |
527 | } | |
528 | break; | |
529 | } | |
530 | ||
531 | while (*p >= '0' && *p <= '9') { | |
532 | n = n * 10 + *p++ - '0'; | |
533 | } | |
534 | ||
535 | v0 = (f ? -n : n); | |
536 | pc0 = ra; | |
537 | } | |
538 | ||
539 | void psxBios_atol() { // 0x11 | |
540 | psxBios_atoi(); | |
541 | } | |
542 | ||
dc4fa8bc | 543 | struct jmp_buf_ { |
544 | u32 ra_, sp_, fp_; | |
545 | u32 s[8]; | |
546 | u32 gp_; | |
547 | }; | |
548 | ||
549 | static void psxBios_setjmp() { // 0x13 | |
550 | struct jmp_buf_ *jmp_buf = castRam32ptr(a0); | |
ef79bbde P |
551 | int i; |
552 | ||
dc4fa8bc | 553 | PSXBIOS_LOG("psxBios_%s %x\n", biosA0n[0x13], a0); |
ef79bbde | 554 | |
dc4fa8bc | 555 | jmp_buf->ra_ = SWAP32(ra); |
556 | jmp_buf->sp_ = SWAP32(sp); | |
557 | jmp_buf->fp_ = SWAP32(fp); | |
ef79bbde | 558 | for (i = 0; i < 8; i++) // s0-s7 |
dc4fa8bc | 559 | jmp_buf->s[i] = SWAP32(psxRegs.GPR.r[16 + i]); |
560 | jmp_buf->gp_ = SWAP32(gp); | |
ef79bbde | 561 | |
dc4fa8bc | 562 | mips_return_c(0, 15); |
ef79bbde P |
563 | } |
564 | ||
dc4fa8bc | 565 | static void longjmp_load(const struct jmp_buf_ *jmp_buf) |
566 | { | |
ef79bbde P |
567 | int i; |
568 | ||
dc4fa8bc | 569 | ra = SWAP32(jmp_buf->ra_); |
570 | sp = SWAP32(jmp_buf->sp_); | |
571 | fp = SWAP32(jmp_buf->fp_); | |
ef79bbde | 572 | for (i = 0; i < 8; i++) // s0-s7 |
dc4fa8bc | 573 | psxRegs.GPR.r[16 + i] = SWAP32(jmp_buf->s[i]); |
574 | gp = SWAP32(jmp_buf->gp_);; | |
575 | } | |
ef79bbde | 576 | |
dc4fa8bc | 577 | void psxBios_longjmp() { // 0x14 |
578 | struct jmp_buf_ *jmp_buf = castRam32ptr(a0); | |
579 | ||
580 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); | |
581 | longjmp_load(jmp_buf); | |
582 | mips_return_c(a1, 15); | |
ef79bbde P |
583 | } |
584 | ||
585 | void psxBios_strcat() { // 0x15 | |
586 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
587 | ||
588 | #ifdef PSXBIOS_LOG | |
589 | PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); | |
590 | #endif | |
bee52312 | 591 | if (a0 == 0 || a1 == 0) |
592 | { | |
593 | v0 = 0; | |
594 | pc0 = ra; | |
595 | return; | |
596 | } | |
ef79bbde P |
597 | while (*p1++); |
598 | --p1; | |
599 | while ((*p1++ = *p2++) != '\0'); | |
600 | ||
601 | v0 = a0; pc0 = ra; | |
602 | } | |
603 | ||
604 | void psxBios_strncat() { // 0x16 | |
605 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
606 | s32 n = a2; | |
607 | ||
608 | #ifdef PSXBIOS_LOG | |
609 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); | |
610 | #endif | |
f42e1e90 | 611 | if (a0 == 0 || a1 == 0) |
612 | { | |
613 | v0 = 0; | |
614 | pc0 = ra; | |
615 | return; | |
616 | } | |
ef79bbde P |
617 | while (*p1++); |
618 | --p1; | |
619 | while ((*p1++ = *p2++) != '\0') { | |
620 | if (--n < 0) { | |
621 | *--p1 = '\0'; | |
622 | break; | |
623 | } | |
624 | } | |
625 | ||
626 | v0 = a0; pc0 = ra; | |
627 | } | |
628 | ||
629 | void psxBios_strcmp() { // 0x17 | |
630 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
c044e3e5 | 631 | s32 n=0; |
632 | if (a0 == 0 && a1 == 0) | |
633 | { | |
634 | v0 = 0; | |
635 | pc0 = ra; | |
636 | return; | |
637 | } | |
638 | else if (a0 == 0 && a1 != 0) | |
639 | { | |
640 | v0 = -1; | |
641 | pc0 = ra; | |
642 | return; | |
643 | } | |
644 | else if (a0 != 0 && a1 == 0) | |
645 | { | |
646 | v0 = 1; | |
647 | pc0 = ra; | |
648 | return; | |
649 | } | |
ef79bbde P |
650 | #ifdef PSXBIOS_LOG |
651 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); | |
652 | #endif | |
653 | ||
654 | while (*p1 == *p2++) { | |
c044e3e5 | 655 | n++; |
ef79bbde | 656 | if (*p1++ == '\0') { |
c044e3e5 | 657 | v1=n-1; |
658 | a0+=n; | |
659 | a1+=n; | |
ef79bbde P |
660 | v0 = 0; |
661 | pc0 = ra; | |
662 | return; | |
663 | } | |
664 | } | |
665 | ||
666 | v0 = (*p1 - *--p2); | |
c044e3e5 | 667 | v1 = n; |
668 | a0+=n; | |
669 | a1+=n; | |
ef79bbde P |
670 | pc0 = ra; |
671 | } | |
672 | ||
673 | void psxBios_strncmp() { // 0x18 | |
674 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
675 | s32 n = a2; | |
ba4ecb8c | 676 | if (a0 == 0 && a1 == 0) |
677 | { | |
678 | v0 = 0; | |
679 | pc0 = ra; | |
680 | return; | |
681 | } | |
682 | else if (a0 == 0 && a1 != 0) | |
683 | { | |
684 | v0 = -1; | |
685 | pc0 = ra; | |
686 | return; | |
687 | } | |
688 | else if (a0 != 0 && a1 == 0) | |
689 | { | |
690 | v0 = 1; | |
691 | pc0 = ra; | |
692 | return; | |
693 | } | |
ef79bbde P |
694 | #ifdef PSXBIOS_LOG |
695 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); | |
696 | #endif | |
697 | ||
698 | while (--n >= 0 && *p1 == *p2++) { | |
699 | if (*p1++ == '\0') { | |
700 | v0 = 0; | |
701 | pc0 = ra; | |
ba4ecb8c | 702 | v1 = a2 - ((a2-n) - 1); |
703 | a0 += (a2-n) - 1; | |
704 | a1 += (a2-n) - 1; | |
705 | a2 = n; | |
ef79bbde P |
706 | return; |
707 | } | |
708 | } | |
709 | ||
710 | v0 = (n < 0 ? 0 : *p1 - *--p2); | |
711 | pc0 = ra; | |
ba4ecb8c | 712 | v1 = a2 - ((a2-n) - 1); |
713 | a0 += (a2-n) - 1; | |
714 | a1 += (a2-n) - 1; | |
715 | a2 = n; | |
ef79bbde P |
716 | } |
717 | ||
718 | void psxBios_strcpy() { // 0x19 | |
719 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
c3d791f1 | 720 | if (a0 == 0 || a1 == 0) |
721 | { | |
722 | v0 = 0; | |
723 | pc0 = ra; | |
724 | return; | |
725 | } | |
ef79bbde P |
726 | while ((*p1++ = *p2++) != '\0'); |
727 | ||
728 | v0 = a0; pc0 = ra; | |
729 | } | |
730 | ||
731 | void psxBios_strncpy() { // 0x1a | |
732 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
733 | s32 n = a2, i; | |
c3d791f1 | 734 | if (a0 == 0 || a1 == 0) |
735 | { | |
736 | v0 = 0; | |
737 | pc0 = ra; | |
738 | return; | |
739 | } | |
ef79bbde P |
740 | for (i = 0; i < n; i++) { |
741 | if ((*p1++ = *p2++) == '\0') { | |
742 | while (++i < n) { | |
743 | *p1++ = '\0'; | |
744 | } | |
745 | v0 = a0; pc0 = ra; | |
746 | return; | |
747 | } | |
748 | } | |
749 | ||
750 | v0 = a0; pc0 = ra; | |
751 | } | |
752 | ||
753 | void psxBios_strlen() { // 0x1b | |
754 | char *p = (char *)Ra0; | |
755 | v0 = 0; | |
2c6a5df8 | 756 | if (a0 == 0) |
757 | { | |
758 | pc0 = ra; | |
759 | return; | |
760 | } | |
ef79bbde P |
761 | while (*p++) v0++; |
762 | pc0 = ra; | |
763 | } | |
764 | ||
765 | void psxBios_index() { // 0x1c | |
766 | char *p = (char *)Ra0; | |
fcf7ec6c | 767 | if (a0 == 0) |
768 | { | |
769 | v0 = 0; | |
770 | pc0 = ra; | |
771 | return; | |
772 | } | |
7a8d521f | 773 | |
ef79bbde P |
774 | do { |
775 | if (*p == a1) { | |
776 | v0 = a0 + (p - (char *)Ra0); | |
777 | pc0 = ra; | |
778 | return; | |
779 | } | |
780 | } while (*p++ != '\0'); | |
781 | ||
782 | v0 = 0; pc0 = ra; | |
783 | } | |
784 | ||
785 | void psxBios_rindex() { // 0x1d | |
786 | char *p = (char *)Ra0; | |
787 | ||
788 | v0 = 0; | |
fcf7ec6c | 789 | if (a0 == 0) |
790 | { | |
791 | pc0 = ra; | |
792 | return; | |
793 | } | |
ef79bbde P |
794 | do { |
795 | if (*p == a1) | |
796 | v0 = a0 + (p - (char *)Ra0); | |
797 | } while (*p++ != '\0'); | |
798 | ||
799 | pc0 = ra; | |
800 | } | |
801 | ||
802 | void psxBios_strchr() { // 0x1e | |
803 | psxBios_index(); | |
804 | } | |
805 | ||
806 | void psxBios_strrchr() { // 0x1f | |
807 | psxBios_rindex(); | |
808 | } | |
809 | ||
810 | void psxBios_strpbrk() { // 0x20 | |
811 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; | |
812 | ||
813 | while ((c = *p1++) != '\0') { | |
814 | for (scanp = p2; (sc = *scanp++) != '\0';) { | |
815 | if (sc == c) { | |
816 | v0 = a0 + (p1 - 1 - (char *)Ra0); | |
817 | pc0 = ra; | |
818 | return; | |
819 | } | |
820 | } | |
821 | } | |
822 | ||
823 | // BUG: return a0 instead of NULL if not found | |
824 | v0 = a0; pc0 = ra; | |
825 | } | |
826 | ||
827 | void psxBios_strspn() { // 0x21 | |
828 | char *p1, *p2; | |
829 | ||
830 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
831 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
832 | if (*p2 == '\0') break; | |
833 | } | |
834 | ||
835 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
836 | } | |
837 | ||
838 | void psxBios_strcspn() { // 0x22 | |
839 | char *p1, *p2; | |
840 | ||
841 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
842 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
843 | if (*p2 != '\0') break; | |
844 | } | |
845 | ||
846 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
847 | } | |
848 | ||
849 | void psxBios_strtok() { // 0x23 | |
850 | char *pcA0 = (char *)Ra0; | |
851 | char *pcRet = strtok(pcA0, (char *)Ra1); | |
852 | if (pcRet) | |
853 | v0 = a0 + pcRet - pcA0; | |
854 | else | |
855 | v0 = 0; | |
856 | pc0 = ra; | |
857 | } | |
858 | ||
859 | void psxBios_strstr() { // 0x24 | |
860 | char *p = (char *)Ra0, *p1, *p2; | |
861 | ||
862 | while (*p != '\0') { | |
863 | p1 = p; | |
864 | p2 = (char *)Ra1; | |
865 | ||
866 | while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { | |
867 | p1++; p2++; | |
868 | } | |
869 | ||
870 | if (*p2 == '\0') { | |
871 | v0 = a0 + (p - (char *)Ra0); | |
872 | pc0 = ra; | |
873 | return; | |
874 | } | |
875 | ||
876 | p++; | |
877 | } | |
878 | ||
879 | v0 = 0; pc0 = ra; | |
880 | } | |
881 | ||
882 | void psxBios_toupper() { // 0x25 | |
883 | v0 = (s8)(a0 & 0xff); | |
884 | if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; | |
885 | pc0 = ra; | |
886 | } | |
887 | ||
888 | void psxBios_tolower() { // 0x26 | |
889 | v0 = (s8)(a0 & 0xff); | |
890 | if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; | |
891 | pc0 = ra; | |
892 | } | |
893 | ||
894 | void psxBios_bcopy() { // 0x27 | |
895 | char *p1 = (char *)Ra1, *p2 = (char *)Ra0; | |
0148ffb7 | 896 | v0 = a0; |
897 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
898 | { | |
899 | pc0 = ra; | |
900 | return; | |
901 | } | |
5ec7acdf | 902 | while ((s32)a2-- > 0) *p1++ = *p2++; |
0148ffb7 | 903 | a2 = 0; |
ef79bbde P |
904 | pc0 = ra; |
905 | } | |
906 | ||
907 | void psxBios_bzero() { // 0x28 | |
908 | char *p = (char *)Ra0; | |
01724d23 | 909 | v0 = a0; |
910 | /* Same as memset here (See memset below) */ | |
911 | if (a1 > 0x7FFFFFFF || a1 == 0) | |
912 | { | |
913 | v0 = 0; | |
914 | pc0 = ra; | |
915 | return; | |
916 | } | |
917 | else if (a0 == 0) | |
918 | { | |
919 | pc0 = ra; | |
920 | return; | |
921 | } | |
5ec7acdf | 922 | while ((s32)a1-- > 0) *p++ = '\0'; |
01724d23 | 923 | a1 = 0; |
ef79bbde P |
924 | pc0 = ra; |
925 | } | |
926 | ||
927 | void psxBios_bcmp() { // 0x29 | |
928 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
929 | ||
930 | if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } | |
931 | ||
5ec7acdf | 932 | while ((s32)a2-- > 0) { |
ef79bbde P |
933 | if (*p1++ != *p2++) { |
934 | v0 = *p1 - *p2; // BUG: compare the NEXT byte | |
935 | pc0 = ra; | |
936 | return; | |
937 | } | |
938 | } | |
939 | ||
940 | v0 = 0; pc0 = ra; | |
941 | } | |
942 | ||
943 | void psxBios_memcpy() { // 0x2a | |
944 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
ef1da3dc | 945 | v0 = a0; |
946 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
947 | { | |
948 | pc0 = ra; | |
949 | return; | |
950 | } | |
951 | while ((s32)a2-- > 0) { | |
ef1da3dc | 952 | *p1++ = *p2++; |
953 | } | |
954 | a2 = 0; | |
955 | pc0 = ra; | |
ef79bbde P |
956 | } |
957 | ||
958 | void psxBios_memset() { // 0x2b | |
959 | char *p = (char *)Ra0; | |
3f28b64f | 960 | v0 = a0; |
961 | if (a2 > 0x7FFFFFFF || a2 == 0) | |
962 | { | |
963 | v0 = 0; | |
964 | pc0 = ra; | |
965 | return; | |
966 | } | |
967 | if (a0 == 0) | |
968 | { | |
969 | pc0 = ra; | |
970 | return; | |
971 | } | |
5ec7acdf | 972 | while ((s32)a2-- > 0) *p++ = (char)a1; |
5ec7acdf | 973 | a2 = 0; |
ef79bbde P |
974 | v0 = a0; pc0 = ra; |
975 | } | |
976 | ||
977 | void psxBios_memmove() { // 0x2c | |
978 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
112dddf5 | 979 | v0 = a0; |
980 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
981 | { | |
982 | pc0 = ra; | |
983 | return; | |
984 | } | |
ef79bbde P |
985 | if (p2 <= p1 && p2 + a2 > p1) { |
986 | a2++; // BUG: copy one more byte here | |
987 | p1 += a2; | |
988 | p2 += a2; | |
5ec7acdf | 989 | while ((s32)a2-- > 0) *--p1 = *--p2; |
ef79bbde | 990 | } else { |
5ec7acdf | 991 | while ((s32)a2-- > 0) *p1++ = *p2++; |
ef79bbde | 992 | } |
112dddf5 | 993 | pc0 = ra; |
ef79bbde P |
994 | } |
995 | ||
996 | void psxBios_memcmp() { // 0x2d | |
997 | psxBios_bcmp(); | |
998 | } | |
999 | ||
1000 | void psxBios_memchr() { // 0x2e | |
1001 | char *p = (char *)Ra0; | |
7a8d521f | 1002 | |
0f598f20 | 1003 | if (a0 == 0 || a2 > 0x7FFFFFFF) |
1004 | { | |
1005 | pc0 = ra; | |
1006 | return; | |
1007 | } | |
ef79bbde | 1008 | |
5ec7acdf | 1009 | while ((s32)a2-- > 0) { |
ef79bbde P |
1010 | if (*p++ != (s8)a1) continue; |
1011 | v0 = a0 + (p - (char *)Ra0 - 1); | |
1012 | pc0 = ra; | |
1013 | return; | |
1014 | } | |
1015 | ||
1016 | v0 = 0; pc0 = ra; | |
1017 | } | |
1018 | ||
1019 | void psxBios_rand() { // 0x2f | |
1020 | u32 s = psxMu32(0x9010) * 1103515245 + 12345; | |
1021 | v0 = (s >> 16) & 0x7fff; | |
1022 | psxMu32ref(0x9010) = SWAPu32(s); | |
1023 | pc0 = ra; | |
1024 | } | |
1025 | ||
1026 | void psxBios_srand() { // 0x30 | |
1027 | psxMu32ref(0x9010) = SWAPu32(a0); | |
1028 | pc0 = ra; | |
1029 | } | |
1030 | ||
1031 | static u32 qscmpfunc, qswidth; | |
1032 | ||
1033 | static inline int qscmp(char *a, char *b) { | |
1034 | u32 sa0 = a0; | |
1035 | ||
1036 | a0 = sa0 + (a - (char *)PSXM(sa0)); | |
1037 | a1 = sa0 + (b - (char *)PSXM(sa0)); | |
1038 | ||
dc4fa8bc | 1039 | softCall(qscmpfunc); |
ef79bbde P |
1040 | |
1041 | a0 = sa0; | |
1042 | return (s32)v0; | |
1043 | } | |
1044 | ||
1045 | static inline void qexchange(char *i, char *j) { | |
1046 | char t; | |
1047 | int n = qswidth; | |
1048 | ||
1049 | do { | |
1050 | t = *i; | |
1051 | *i++ = *j; | |
1052 | *j++ = t; | |
1053 | } while (--n); | |
1054 | } | |
1055 | ||
1056 | static inline void q3exchange(char *i, char *j, char *k) { | |
1057 | char t; | |
1058 | int n = qswidth; | |
1059 | ||
1060 | do { | |
1061 | t = *i; | |
1062 | *i++ = *k; | |
1063 | *k++ = *j; | |
1064 | *j++ = t; | |
1065 | } while (--n); | |
1066 | } | |
1067 | ||
1068 | static void qsort_main(char *a, char *l) { | |
1069 | char *i, *j, *lp, *hp; | |
1070 | int c; | |
1071 | unsigned int n; | |
1072 | ||
1073 | start: | |
1074 | if ((n = l - a) <= qswidth) | |
1075 | return; | |
1076 | n = qswidth * (n / (2 * qswidth)); | |
1077 | hp = lp = a + n; | |
1078 | i = a; | |
1079 | j = l - qswidth; | |
1080 | while (TRUE) { | |
1081 | if (i < lp) { | |
1082 | if ((c = qscmp(i, lp)) == 0) { | |
1083 | qexchange(i, lp -= qswidth); | |
1084 | continue; | |
1085 | } | |
1086 | if (c < 0) { | |
1087 | i += qswidth; | |
1088 | continue; | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | loop: | |
1093 | if (j > hp) { | |
1094 | if ((c = qscmp(hp, j)) == 0) { | |
1095 | qexchange(hp += qswidth, j); | |
1096 | goto loop; | |
1097 | } | |
1098 | if (c > 0) { | |
1099 | if (i == lp) { | |
1100 | q3exchange(i, hp += qswidth, j); | |
1101 | i = lp += qswidth; | |
1102 | goto loop; | |
1103 | } | |
1104 | qexchange(i, j); | |
1105 | j -= qswidth; | |
1106 | i += qswidth; | |
1107 | continue; | |
1108 | } | |
1109 | j -= qswidth; | |
1110 | goto loop; | |
1111 | } | |
1112 | ||
1113 | if (i == lp) { | |
1114 | if (lp - a >= l - hp) { | |
1115 | qsort_main(hp + qswidth, l); | |
1116 | l = lp; | |
1117 | } else { | |
1118 | qsort_main(a, lp); | |
1119 | a = hp + qswidth; | |
1120 | } | |
1121 | goto start; | |
1122 | } | |
1123 | ||
1124 | q3exchange(j, lp -= qswidth, i); | |
1125 | j = hp -= qswidth; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | void psxBios_qsort() { // 0x31 | |
1130 | qswidth = a2; | |
1131 | qscmpfunc = a3; | |
1132 | qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); | |
1133 | ||
1134 | pc0 = ra; | |
1135 | } | |
1136 | ||
1137 | void psxBios_malloc() { // 0x33 | |
33788798 | 1138 | u32 *chunk, *newchunk = NULL; |
808a13bd | 1139 | unsigned int dsize = 0, csize, cstat; |
ef79bbde P |
1140 | int colflag; |
1141 | #ifdef PSXBIOS_LOG | |
1142 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); | |
1143 | #endif | |
26b964b5 | 1144 | if (!a0 || (!heap_size || !heap_addr)) { |
1145 | v0 = 0; | |
1146 | pc0 = ra; | |
1147 | return; | |
1148 | } | |
ef79bbde P |
1149 | |
1150 | // scan through heap and combine free chunks of space | |
1151 | chunk = heap_addr; | |
1152 | colflag = 0; | |
1153 | while(chunk < heap_end) { | |
1154 | // get size and status of actual chunk | |
1155 | csize = ((u32)*chunk) & 0xfffffffc; | |
1156 | cstat = ((u32)*chunk) & 1; | |
1157 | ||
26b964b5 | 1158 | // most probably broken heap descriptor |
1159 | // this fixes Burning Road | |
1160 | if (*chunk == 0) { | |
1161 | newchunk = chunk; | |
1162 | dsize = ((uptr)heap_end - (uptr)chunk) - 4; | |
1163 | colflag = 1; | |
1164 | break; | |
1165 | } | |
1166 | ||
ef79bbde P |
1167 | // it's a free chunk |
1168 | if(cstat == 1) { | |
1169 | if(colflag == 0) { | |
1170 | newchunk = chunk; | |
1171 | dsize = csize; | |
1172 | colflag = 1; // let's begin a new collection of free memory | |
1173 | } | |
1174 | else dsize += (csize+4); // add the new size including header | |
1175 | } | |
1176 | // not a free chunk: did we start a collection ? | |
1177 | else { | |
1178 | if(colflag == 1) { // collection is over | |
1179 | colflag = 0; | |
1180 | *newchunk = SWAP32(dsize | 1); | |
1181 | } | |
1182 | } | |
1183 | ||
1184 | // next chunk | |
1185 | chunk = (u32*)((uptr)chunk + csize + 4); | |
1186 | } | |
1187 | // if neccessary free memory on end of heap | |
1188 | if (colflag == 1) | |
1189 | *newchunk = SWAP32(dsize | 1); | |
1190 | ||
1191 | chunk = heap_addr; | |
1192 | csize = ((u32)*chunk) & 0xfffffffc; | |
1193 | cstat = ((u32)*chunk) & 1; | |
1194 | dsize = (a0 + 3) & 0xfffffffc; | |
1195 | ||
1196 | // exit on uninitialized heap | |
1197 | if (chunk == NULL) { | |
26b964b5 | 1198 | printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); |
ef79bbde P |
1199 | v0 = 0; |
1200 | pc0 = ra; | |
1201 | return; | |
1202 | } | |
1203 | ||
1204 | // search an unused chunk that is big enough until the end of the heap | |
26b964b5 | 1205 | while ((dsize > csize || cstat==0) && chunk < heap_end ) { |
ef79bbde | 1206 | chunk = (u32*)((uptr)chunk + csize + 4); |
26b964b5 | 1207 | |
1208 | // catch out of memory | |
1209 | if(chunk >= heap_end) { | |
1210 | printf("malloc %x,%x: Out of memory error!\n", | |
1211 | v0, a0); | |
1212 | v0 = 0; pc0 = ra; | |
1213 | return; | |
1214 | } | |
1215 | ||
ef79bbde P |
1216 | csize = ((u32)*chunk) & 0xfffffffc; |
1217 | cstat = ((u32)*chunk) & 1; | |
1218 | } | |
1219 | ||
ef79bbde P |
1220 | // allocate memory |
1221 | if(dsize == csize) { | |
1222 | // chunk has same size | |
1223 | *chunk &= 0xfffffffc; | |
26b964b5 | 1224 | } else if (dsize > csize) { |
1225 | v0 = 0; pc0 = ra; | |
1226 | return; | |
1227 | } else { | |
ef79bbde P |
1228 | // split free chunk |
1229 | *chunk = SWAP32(dsize); | |
1230 | newchunk = (u32*)((uptr)chunk + dsize + 4); | |
808a13bd | 1231 | *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1); |
ef79bbde P |
1232 | } |
1233 | ||
1234 | // return pointer to allocated memory | |
26b964b5 | 1235 | v0 = ((uptr)chunk - (uptr)psxM) + 4; |
ef79bbde | 1236 | v0|= 0x80000000; |
26b964b5 | 1237 | //printf ("malloc %x,%x\n", v0, a0); |
ef79bbde P |
1238 | pc0 = ra; |
1239 | } | |
1240 | ||
1241 | void psxBios_free() { // 0x34 | |
1242 | ||
1243 | #ifdef PSXBIOS_LOG | |
1244 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); | |
1245 | #endif | |
1246 | ||
1247 | SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); | |
1248 | ||
ba4ecb8c | 1249 | if (a0) |
1250 | *(u32*)(Ra0-4) |= 1; // set chunk to free | |
ef79bbde P |
1251 | pc0 = ra; |
1252 | } | |
1253 | ||
1254 | void psxBios_calloc() { // 0x37 | |
02949f79 | 1255 | void *pv0; |
ef79bbde P |
1256 | #ifdef PSXBIOS_LOG |
1257 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); | |
1258 | #endif | |
1259 | ||
1260 | a0 = a0 * a1; | |
1261 | psxBios_malloc(); | |
02949f79 | 1262 | pv0 = Rv0; |
1263 | if (pv0) | |
1264 | memset(pv0, 0, a0); | |
ef79bbde P |
1265 | } |
1266 | ||
1267 | void psxBios_realloc() { // 0x38 | |
1268 | u32 block = a0; | |
1269 | u32 size = a1; | |
1270 | #ifdef PSXBIOS_LOG | |
1271 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); | |
1272 | #endif | |
1273 | ||
1274 | a0 = block; | |
391b1d5b | 1275 | /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */ |
1276 | if (block == 0) | |
1277 | { | |
1278 | psxBios_malloc(); | |
1279 | } | |
1280 | /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */ | |
1281 | else if (size == 0) | |
1282 | { | |
1283 | psxBios_free(); | |
1284 | } | |
1285 | /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */ | |
1286 | /* Note that it is not quite implemented this way here. */ | |
1287 | else | |
1288 | { | |
1289 | psxBios_free(); | |
1290 | a0 = size; | |
1291 | psxBios_malloc(); | |
1292 | } | |
ef79bbde P |
1293 | } |
1294 | ||
1295 | ||
1296 | /* InitHeap(void *block , int n) */ | |
1297 | void psxBios_InitHeap() { // 0x39 | |
1298 | unsigned int size; | |
1299 | ||
1300 | #ifdef PSXBIOS_LOG | |
1301 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); | |
1302 | #endif | |
1303 | ||
1304 | if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); | |
1305 | else size = a1; | |
1306 | ||
1307 | size &= 0xfffffffc; | |
1308 | ||
1309 | heap_addr = (u32 *)Ra0; | |
a85ffa0e | 1310 | heap_size = size; |
1311 | heap_end = (u32 *)((u8 *)heap_addr + heap_size); | |
1312 | /* HACKFIX: Commenting out this line fixes GTA2 crash */ | |
1313 | //*heap_addr = SWAP32(size | 1); | |
ef79bbde | 1314 | |
c979c3ee | 1315 | SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size); |
ef79bbde P |
1316 | |
1317 | pc0 = ra; | |
1318 | } | |
1319 | ||
1320 | void psxBios_getchar() { //0x3b | |
1321 | v0 = getchar(); pc0 = ra; | |
1322 | } | |
1323 | ||
a94ccc7f | 1324 | static void psxBios_printf_psxout() { // 0x3f |
ef79bbde P |
1325 | char tmp[1024]; |
1326 | char tmp2[1024]; | |
1327 | u32 save[4]; | |
1328 | char *ptmp = tmp; | |
1329 | int n=1, i=0, j; | |
02949f79 | 1330 | void *psp; |
1331 | ||
1332 | psp = PSXM(sp); | |
7a8d521f | 1333 | if (psp != INVALID_PTR) { |
02949f79 | 1334 | memcpy(save, psp, 4 * 4); |
1335 | psxMu32ref(sp) = SWAP32((u32)a0); | |
1336 | psxMu32ref(sp + 4) = SWAP32((u32)a1); | |
1337 | psxMu32ref(sp + 8) = SWAP32((u32)a2); | |
1338 | psxMu32ref(sp + 12) = SWAP32((u32)a3); | |
1339 | } | |
ef79bbde P |
1340 | |
1341 | while (Ra0[i]) { | |
1342 | switch (Ra0[i]) { | |
1343 | case '%': | |
1344 | j = 0; | |
1345 | tmp2[j++] = '%'; | |
1346 | _start: | |
1347 | switch (Ra0[++i]) { | |
1348 | case '.': | |
1349 | case 'l': | |
1350 | tmp2[j++] = Ra0[i]; goto _start; | |
1351 | default: | |
1352 | if (Ra0[i] >= '0' && Ra0[i] <= '9') { | |
1353 | tmp2[j++] = Ra0[i]; | |
1354 | goto _start; | |
1355 | } | |
1356 | break; | |
1357 | } | |
1358 | tmp2[j++] = Ra0[i]; | |
1359 | tmp2[j] = 0; | |
1360 | ||
1361 | switch (Ra0[i]) { | |
1362 | case 'f': case 'F': | |
1363 | ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; | |
1364 | case 'a': case 'A': | |
1365 | case 'e': case 'E': | |
1366 | case 'g': case 'G': | |
1367 | ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; | |
1368 | case 'p': | |
888468ff | 1369 | case 'i': case 'u': |
ef79bbde P |
1370 | case 'd': case 'D': |
1371 | case 'o': case 'O': | |
1372 | case 'x': case 'X': | |
1373 | ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; | |
1374 | case 'c': | |
1375 | ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; | |
1376 | case 's': | |
1377 | ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; | |
1378 | case '%': | |
1379 | *ptmp++ = Ra0[i]; break; | |
1380 | } | |
1381 | i++; | |
1382 | break; | |
1383 | default: | |
1384 | *ptmp++ = Ra0[i++]; | |
1385 | } | |
1386 | } | |
1387 | *ptmp = 0; | |
1388 | ||
a94ccc7f | 1389 | if (psp != INVALID_PTR) |
02949f79 | 1390 | memcpy(psp, save, 4 * 4); |
ef79bbde | 1391 | |
808a13bd | 1392 | SysPrintf("%s", tmp); |
a94ccc7f | 1393 | } |
ef79bbde | 1394 | |
a94ccc7f | 1395 | void psxBios_printf() { // 0x3f |
1396 | psxBios_printf_psxout(); | |
ef79bbde P |
1397 | pc0 = ra; |
1398 | } | |
1399 | ||
e7e1f572 | 1400 | void psxBios_format() { // 0x41 |
1401 | if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0') | |
1402 | { | |
1403 | CreateMcd(Config.Mcd1); | |
1404 | LoadMcd(1, Config.Mcd1); | |
1405 | v0 = 1; | |
1406 | } | |
1407 | else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0') | |
1408 | { | |
1409 | CreateMcd(Config.Mcd2); | |
1410 | LoadMcd(2, Config.Mcd2); | |
1411 | v0 = 1; | |
1412 | } | |
1413 | else | |
1414 | { | |
1415 | v0 = 0; | |
1416 | } | |
1417 | pc0 = ra; | |
1418 | } | |
1419 | ||
dc4fa8bc | 1420 | static void psxBios_SystemErrorUnresolvedException() { |
1421 | if (loadRam32(0xfffc) != 0x12345678) { // prevent log flood | |
1422 | SysPrintf("psxBios_%s\n", biosA0n[0x40]); | |
1423 | storeRam32(0xfffc, 0x12345678); | |
1424 | } | |
1425 | mips_return_void_c(1000); | |
1426 | } | |
1427 | ||
ef79bbde P |
1428 | /* |
1429 | * long Load(char *name, struct EXEC *header); | |
1430 | */ | |
1431 | ||
1432 | void psxBios_Load() { // 0x42 | |
1433 | EXE_HEADER eheader; | |
02949f79 | 1434 | void *pa1; |
ef79bbde | 1435 | |
02949f79 | 1436 | pa1 = Ra1; |
1437 | if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) { | |
1438 | memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC)); | |
ef79bbde P |
1439 | v0 = 1; |
1440 | } else v0 = 0; | |
7650b754 | 1441 | PSXBIOS_LOG("psxBios_%s: %s, %d -> %d\n", biosA0n[0x42], Ra0, a1, v0); |
ef79bbde P |
1442 | |
1443 | pc0 = ra; | |
1444 | } | |
1445 | ||
1446 | /* | |
1447 | * int Exec(struct EXEC *header , int argc , char **argv); | |
1448 | */ | |
1449 | ||
1450 | void psxBios_Exec() { // 43 | |
1451 | EXEC *header = (EXEC*)Ra0; | |
1452 | u32 tmp; | |
1453 | ||
1454 | #ifdef PSXBIOS_LOG | |
1455 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); | |
1456 | #endif | |
1457 | ||
1458 | header->_sp = sp; | |
1459 | header->_fp = fp; | |
1460 | header->_sp = sp; | |
1461 | header->_gp = gp; | |
1462 | header->ret = ra; | |
1463 | header->base = s0; | |
1464 | ||
1465 | if (header->S_addr != 0) { | |
1466 | tmp = header->S_addr + header->s_size; | |
1467 | sp = tmp; | |
1468 | fp = sp; | |
1469 | } | |
1470 | ||
1471 | gp = header->gp0; | |
1472 | ||
1473 | s0 = a0; | |
1474 | ||
1475 | a0 = a1; | |
1476 | a1 = a2; | |
1477 | ||
1478 | ra = 0x8000; | |
1479 | pc0 = header->_pc0; | |
1480 | } | |
1481 | ||
1482 | void psxBios_FlushCache() { // 44 | |
1483 | #ifdef PSXBIOS_LOG | |
1484 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); | |
1485 | #endif | |
943a507a | 1486 | psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_ISOLATED, NULL); |
1487 | psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); | |
ef79bbde P |
1488 | pc0 = ra; |
1489 | } | |
1490 | ||
1491 | void psxBios_GPU_dw() { // 0x46 | |
1492 | int size; | |
3a284665 | 1493 | u32 *ptr; |
ef79bbde P |
1494 | |
1495 | #ifdef PSXBIOS_LOG | |
1496 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); | |
1497 | #endif | |
1498 | ||
1499 | GPU_writeData(0xa0000000); | |
3a284665 | 1500 | GPU_writeData((a1<<0x10)|(a0&0xffff)); |
1501 | GPU_writeData((a3<<0x10)|(a2&0xffff)); | |
1502 | size = (a2*a3)/2; | |
1503 | ptr = (u32*)PSXM(Rsp[4]); //that is correct? | |
1504 | while(size--) | |
1505 | { | |
1506 | GPU_writeData(SWAPu32(*ptr++)); | |
1507 | } | |
ef79bbde P |
1508 | |
1509 | pc0 = ra; | |
7a8d521f | 1510 | } |
ef79bbde P |
1511 | |
1512 | void psxBios_mem2vram() { // 0x47 | |
1513 | int size; | |
3a284665 | 1514 | gpuSyncPluginSR(); |
ef79bbde | 1515 | GPU_writeData(0xa0000000); |
3a284665 | 1516 | GPU_writeData((a1<<0x10)|(a0&0xffff)); |
1517 | GPU_writeData((a3<<0x10)|(a2&0xffff)); | |
1518 | size = ((((a2 * a3) / 2) >> 4) << 16); | |
ef79bbde P |
1519 | GPU_writeStatus(0x04000002); |
1520 | psxHwWrite32(0x1f8010f4,0); | |
1521 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1522 | psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... | |
3a284665 | 1523 | psxHwWrite32(0x1f8010a4, size | 0x10); |
ef79bbde P |
1524 | psxHwWrite32(0x1f8010a8,0x01000201); |
1525 | ||
1526 | pc0 = ra; | |
1527 | } | |
1528 | ||
1529 | void psxBios_SendGPU() { // 0x48 | |
1530 | GPU_writeStatus(a0); | |
ddbaf678 | 1531 | gpuSyncPluginSR(); |
ef79bbde P |
1532 | pc0 = ra; |
1533 | } | |
1534 | ||
1535 | void psxBios_GPU_cw() { // 0x49 | |
3a284665 | 1536 | gpuSyncPluginSR(); |
ef79bbde | 1537 | GPU_writeData(a0); |
3a284665 | 1538 | v0 = HW_GPU_STATUS; |
7a8d521f | 1539 | pc0 = ra; |
ef79bbde P |
1540 | } |
1541 | ||
1542 | void psxBios_GPU_cwb() { // 0x4a | |
3a284665 | 1543 | u32 *ptr = (u32*)Ra0; |
ef79bbde | 1544 | int size = a1; |
3a284665 | 1545 | gpuSyncPluginSR(); |
1546 | while(size--) | |
1547 | { | |
1548 | GPU_writeData(SWAPu32(*ptr++)); | |
ef79bbde P |
1549 | } |
1550 | ||
1551 | pc0 = ra; | |
1552 | } | |
1553 | ||
1554 | void psxBios_GPU_SendPackets() { //4b: | |
3a284665 | 1555 | gpuSyncPluginSR(); |
ef79bbde P |
1556 | GPU_writeStatus(0x04000002); |
1557 | psxHwWrite32(0x1f8010f4,0); | |
1558 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1559 | psxHwWrite32(0x1f8010a0,a0); | |
1560 | psxHwWrite32(0x1f8010a4,0); | |
1561 | psxHwWrite32(0x1f8010a8,0x010000401); | |
1562 | pc0 = ra; | |
1563 | } | |
1564 | ||
1565 | void psxBios_sys_a0_4c() { // 0x4c GPU relate | |
1566 | psxHwWrite32(0x1f8010a8,0x00000401); | |
1567 | GPU_writeData(0x0400000); | |
1568 | GPU_writeData(0x0200000); | |
1569 | GPU_writeData(0x0100000); | |
cd1ea245 | 1570 | v0 = 0x1f801814; |
ef79bbde P |
1571 | pc0 = ra; |
1572 | } | |
1573 | ||
1574 | void psxBios_GPU_GetGPUStatus() { // 0x4d | |
1575 | v0 = GPU_readStatus(); | |
1576 | pc0 = ra; | |
1577 | } | |
1578 | ||
1579 | #undef s_addr | |
1580 | ||
1581 | void psxBios_LoadExec() { // 51 | |
1582 | EXEC *header = (EXEC*)PSXM(0xf000); | |
1583 | u32 s_addr, s_size; | |
1584 | ||
1585 | #ifdef PSXBIOS_LOG | |
1586 | PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); | |
1587 | #endif | |
1588 | s_addr = a1; s_size = a2; | |
1589 | ||
7a8d521f | 1590 | a1 = 0xf000; |
ef79bbde P |
1591 | psxBios_Load(); |
1592 | ||
1593 | header->S_addr = s_addr; | |
1594 | header->s_size = s_size; | |
1595 | ||
1596 | a0 = 0xf000; a1 = 0; a2 = 0; | |
1597 | psxBios_Exec(); | |
1598 | } | |
1599 | ||
1600 | void psxBios__bu_init() { // 70 | |
1601 | #ifdef PSXBIOS_LOG | |
1602 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); | |
1603 | #endif | |
1604 | ||
1605 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1606 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1607 | ||
1608 | pc0 = ra; | |
1609 | } | |
1610 | ||
1611 | void psxBios__96_init() { // 71 | |
1612 | #ifdef PSXBIOS_LOG | |
1613 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); | |
1614 | #endif | |
1615 | ||
1616 | pc0 = ra; | |
1617 | } | |
1618 | ||
dc4fa8bc | 1619 | static void psxBios_SysDeqIntRP_(); |
1620 | ||
1621 | static void psxBios_DequeueCdIntr_() { | |
1622 | a0 = 0; a1 = 0x91d0; | |
1623 | psxBios_SysDeqIntRP_(); | |
1624 | a0 = 0; a1 = 0x91e0; | |
1625 | psxBios_SysDeqIntRP_(); | |
1626 | use_cycles(16); | |
1627 | } | |
1628 | ||
1629 | static void psxBios_DequeueCdIntr() { // a3 | |
1630 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0xa3]); | |
1631 | psxBios_DequeueCdIntr_(); | |
1632 | } | |
1633 | ||
1634 | static void psxBios_CdRemove() { // 56, 72 | |
ef79bbde | 1635 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); |
ef79bbde | 1636 | |
dc4fa8bc | 1637 | // CloseEvent 0xf1000000 |
1638 | // CloseEvent 0xf1000001 | |
1639 | // CloseEvent 0xf1000002 | |
1640 | // CloseEvent 0xf1000003 | |
1641 | // CloseEvent 0xf1000004 | |
1642 | psxBios_DequeueCdIntr_(); | |
1643 | ||
1644 | // EnterCriticalSection - should be done at the beginning, | |
1645 | // but this way is much easier to implement | |
1646 | a0 = 1; | |
1647 | pc0 = A_SYSCALL; | |
1648 | use_cycles(30); | |
ef79bbde P |
1649 | } |
1650 | ||
1651 | void psxBios_SetMem() { // 9f | |
1652 | u32 new = psxHu32(0x1060); | |
1653 | ||
1654 | #ifdef PSXBIOS_LOG | |
1655 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); | |
1656 | #endif | |
1657 | ||
1658 | switch(a0) { | |
1659 | case 2: | |
1660 | psxHu32ref(0x1060) = SWAP32(new); | |
1661 | psxMu32ref(0x060) = a0; | |
1662 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1663 | break; | |
1664 | ||
1665 | case 8: | |
1666 | psxHu32ref(0x1060) = SWAP32(new | 0x300); | |
1667 | psxMu32ref(0x060) = a0; | |
1668 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
7a8d521f | 1669 | |
ef79bbde P |
1670 | default: |
1671 | SysPrintf("Effective memory must be 2/8 MBytes\n"); | |
1672 | break; | |
1673 | } | |
1674 | ||
1675 | pc0 = ra; | |
1676 | } | |
1677 | ||
18dd7e9e | 1678 | /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */ |
1679 | void psxBios_get_cd_status(void) //a6 | |
1680 | { | |
1681 | v0 = 1; | |
1682 | pc0 = ra; | |
1683 | } | |
1684 | ||
ef79bbde P |
1685 | void psxBios__card_info() { // ab |
1686 | #ifdef PSXBIOS_LOG | |
1687 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); | |
1688 | #endif | |
7a8d521f | 1689 | u32 ret, port; |
e9fda093 | 1690 | card_active_chan = a0; |
7a8d521f | 1691 | port = card_active_chan >> 4; |
1692 | ||
1693 | switch (port) { | |
1694 | case 0x0: | |
1695 | case 0x1: | |
1696 | ret = 0x2; | |
1697 | if (McdDisable[port & 1]) | |
1698 | ret = 0x8; | |
76b81516 | 1699 | break; |
1700 | default: | |
1701 | #ifdef PSXBIOS_LOG | |
1702 | PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan); | |
1703 | #endif | |
1704 | ret = 0x11; | |
1705 | break; | |
1706 | } | |
7a8d521f | 1707 | |
1708 | if (McdDisable[0] && McdDisable[1]) | |
1709 | ret = 0x8; | |
1710 | ||
1711 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1712 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
76b81516 | 1713 | DeliverEvent(0x81, ret); // 0xf4000001, 0x0004 |
ef79bbde P |
1714 | v0 = 1; pc0 = ra; |
1715 | } | |
1716 | ||
1717 | void psxBios__card_load() { // ac | |
1718 | #ifdef PSXBIOS_LOG | |
1719 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); | |
1720 | #endif | |
1721 | ||
e9fda093 | 1722 | card_active_chan = a0; |
1723 | ||
ef79bbde P |
1724 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1725 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1726 | ||
1727 | v0 = 1; pc0 = ra; | |
1728 | } | |
1729 | ||
1730 | /* System calls B0 */ | |
1731 | ||
7650b754 | 1732 | static u32 psxBios_SysMalloc_(u32 size); |
1733 | ||
1734 | static void psxBios_SysMalloc() { // B 00 | |
1735 | u32 ret = psxBios_SysMalloc_(a0); | |
1736 | ||
1737 | PSXBIOS_LOG("psxBios_%s 0x%x -> %x\n", biosB0n[0x00], a0, ret); | |
1738 | mips_return_c(ret, 33); | |
1739 | } | |
1740 | ||
ef79bbde P |
1741 | void psxBios_SetRCnt() { // 02 |
1742 | #ifdef PSXBIOS_LOG | |
1743 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); | |
1744 | #endif | |
1745 | ||
1746 | a0&= 0x3; | |
1747 | if (a0 != 3) { | |
1748 | u32 mode=0; | |
1749 | ||
1750 | psxRcntWtarget(a0, a1); | |
1751 | if (a2&0x1000) mode|= 0x050; // Interrupt Mode | |
1752 | if (a2&0x0100) mode|= 0x008; // Count to 0xffff | |
1753 | if (a2&0x0010) mode|= 0x001; // Timer stop mode | |
1754 | if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode | |
1755 | else { if (a2&0x0001) mode|= 0x100; } // System Clock mode | |
1756 | ||
1757 | psxRcntWmode(a0, mode); | |
1758 | } | |
1759 | pc0 = ra; | |
1760 | } | |
1761 | ||
1762 | void psxBios_GetRCnt() { // 03 | |
1763 | #ifdef PSXBIOS_LOG | |
1764 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); | |
1765 | #endif | |
1766 | ||
1767 | a0&= 0x3; | |
1768 | if (a0 != 3) v0 = psxRcntRcount(a0); | |
1769 | else v0 = 0; | |
1770 | pc0 = ra; | |
1771 | } | |
1772 | ||
1773 | void psxBios_StartRCnt() { // 04 | |
1774 | #ifdef PSXBIOS_LOG | |
1775 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); | |
1776 | #endif | |
1777 | ||
1778 | a0&= 0x3; | |
1779 | if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); | |
1780 | else psxHu32ref(0x1074)|= SWAPu32(0x1); | |
1781 | v0 = 1; pc0 = ra; | |
1782 | } | |
1783 | ||
1784 | void psxBios_StopRCnt() { // 05 | |
1785 | #ifdef PSXBIOS_LOG | |
1786 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); | |
1787 | #endif | |
1788 | ||
1789 | a0&= 0x3; | |
1790 | if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); | |
1791 | else psxHu32ref(0x1074)&= SWAPu32(~0x1); | |
1792 | pc0 = ra; | |
1793 | } | |
1794 | ||
1795 | void psxBios_ResetRCnt() { // 06 | |
1796 | #ifdef PSXBIOS_LOG | |
1797 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); | |
1798 | #endif | |
1799 | ||
1800 | a0&= 0x3; | |
1801 | if (a0 != 3) { | |
1802 | psxRcntWmode(a0, 0); | |
1803 | psxRcntWtarget(a0, 0); | |
1804 | psxRcntWcount(a0, 0); | |
1805 | } | |
1806 | pc0 = ra; | |
1807 | } | |
1808 | ||
1809 | ||
7a8d521f | 1810 | /* gets ev for use with EventCB */ |
ef79bbde P |
1811 | #define GetEv() \ |
1812 | ev = (a0 >> 24) & 0xf; \ | |
1813 | if (ev == 0xf) ev = 0x5; \ | |
1814 | ev*= 32; \ | |
1815 | ev+= a0&0x1f; | |
1816 | ||
7a8d521f | 1817 | /* gets spec for use with EventCB */ |
ef79bbde P |
1818 | #define GetSpec() \ |
1819 | spec = 0; \ | |
1820 | switch (a1) { \ | |
1821 | case 0x0301: spec = 16; break; \ | |
1822 | case 0x0302: spec = 17; break; \ | |
1823 | default: \ | |
1824 | for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ | |
1825 | break; \ | |
1826 | } | |
1827 | ||
1828 | void psxBios_DeliverEvent() { // 07 | |
1829 | int ev, spec; | |
1830 | int i; | |
1831 | ||
1832 | GetEv(); | |
1833 | GetSpec(); | |
1834 | ||
1835 | #ifdef PSXBIOS_LOG | |
1836 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); | |
1837 | #endif | |
1838 | ||
1839 | DeliverEvent(ev, spec); | |
1840 | ||
1841 | pc0 = ra; | |
1842 | } | |
1843 | ||
1844 | void psxBios_OpenEvent() { // 08 | |
1845 | int ev, spec; | |
1846 | int i; | |
1847 | ||
1848 | GetEv(); | |
1849 | GetSpec(); | |
1850 | ||
1851 | #ifdef PSXBIOS_LOG | |
1852 | PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); | |
1853 | #endif | |
1854 | ||
7a8d521f | 1855 | EventCB[ev][spec].status = EvStWAIT; |
1856 | EventCB[ev][spec].mode = a2; | |
1857 | EventCB[ev][spec].fhandler = a3; | |
ef79bbde P |
1858 | |
1859 | v0 = ev | (spec << 8); | |
1860 | pc0 = ra; | |
1861 | } | |
1862 | ||
1863 | void psxBios_CloseEvent() { // 09 | |
1864 | int ev, spec; | |
1865 | ||
1866 | ev = a0 & 0xff; | |
1867 | spec = (a0 >> 8) & 0xff; | |
1868 | ||
1869 | #ifdef PSXBIOS_LOG | |
1870 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); | |
1871 | #endif | |
1872 | ||
7a8d521f | 1873 | EventCB[ev][spec].status = EvStUNUSED; |
ef79bbde P |
1874 | |
1875 | v0 = 1; pc0 = ra; | |
1876 | } | |
1877 | ||
1878 | void psxBios_WaitEvent() { // 0a | |
1879 | int ev, spec; | |
1880 | ||
1881 | ev = a0 & 0xff; | |
1882 | spec = (a0 >> 8) & 0xff; | |
ef79bbde P |
1883 | #ifdef PSXBIOS_LOG |
1884 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); | |
1885 | #endif | |
7a8d521f | 1886 | if (EventCB[ev][spec].status == EvStUNUSED) |
d95c9dcb | 1887 | { |
1888 | v0 = 0; | |
7a8d521f | 1889 | pc0 = ra; |
d95c9dcb | 1890 | return; |
1891 | } | |
ef79bbde | 1892 | |
7a8d521f | 1893 | if (EventCB[ev][spec].status == EvStALREADY) |
d95c9dcb | 1894 | { |
1895 | /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */ | |
7a8d521f | 1896 | if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE; |
d95c9dcb | 1897 | v0 = 1; |
1898 | pc0 = ra; | |
1899 | return; | |
1900 | } | |
ef79bbde | 1901 | |
d95c9dcb | 1902 | v0 = 0; |
1903 | pc0 = ra; | |
ef79bbde P |
1904 | } |
1905 | ||
1906 | void psxBios_TestEvent() { // 0b | |
1907 | int ev, spec; | |
1908 | ||
1909 | ev = a0 & 0xff; | |
1910 | spec = (a0 >> 8) & 0xff; | |
1911 | ||
7a8d521f | 1912 | if (EventCB[ev][spec].status == EvStALREADY) |
b4ae2532 | 1913 | { |
7a8d521f | 1914 | if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE; |
b4ae2532 | 1915 | v0 = 1; |
7a8d521f | 1916 | } |
1917 | else | |
b4ae2532 | 1918 | { |
1919 | v0 = 0; | |
1920 | } | |
ef79bbde P |
1921 | |
1922 | #ifdef PSXBIOS_LOG | |
1923 | PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); | |
1924 | #endif | |
1925 | ||
1926 | pc0 = ra; | |
1927 | } | |
1928 | ||
1929 | void psxBios_EnableEvent() { // 0c | |
1930 | int ev, spec; | |
1931 | ||
1932 | ev = a0 & 0xff; | |
1933 | spec = (a0 >> 8) & 0xff; | |
1934 | ||
1935 | #ifdef PSXBIOS_LOG | |
1936 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); | |
1937 | #endif | |
1938 | ||
7a8d521f | 1939 | EventCB[ev][spec].status = EvStACTIVE; |
ef79bbde P |
1940 | |
1941 | v0 = 1; pc0 = ra; | |
1942 | } | |
1943 | ||
1944 | void psxBios_DisableEvent() { // 0d | |
1945 | int ev, spec; | |
1946 | ||
1947 | ev = a0 & 0xff; | |
1948 | spec = (a0 >> 8) & 0xff; | |
1949 | ||
1950 | #ifdef PSXBIOS_LOG | |
1951 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); | |
1952 | #endif | |
1953 | ||
7a8d521f | 1954 | EventCB[ev][spec].status = EvStWAIT; |
ef79bbde P |
1955 | |
1956 | v0 = 1; pc0 = ra; | |
1957 | } | |
1958 | ||
1959 | /* | |
1960 | * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); | |
1961 | */ | |
1962 | ||
1963 | void psxBios_OpenTh() { // 0e | |
dc4fa8bc | 1964 | TCB *tcb = loadRam32ptr(A_TT_TCB); |
1965 | u32 limit = loadRam32(A_TT_TCB + 4) / 0xc0u; | |
ef79bbde P |
1966 | int th; |
1967 | ||
dc4fa8bc | 1968 | for (th = 1; th < limit; th++) |
a66d3058 | 1969 | { |
dc4fa8bc | 1970 | if (tcb[th].status != SWAP32(0x4000)) break; |
ef79bbde | 1971 | |
a66d3058 | 1972 | } |
dc4fa8bc | 1973 | if (th == limit) { |
a66d3058 | 1974 | // Feb 2019 - Added out-of-bounds fix caught by cppcheck: |
1975 | // When no free TCB is found, return 0xffffffff according to Nocash doc. | |
1976 | #ifdef PSXBIOS_LOG | |
1977 | PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__); | |
1978 | #endif | |
dc4fa8bc | 1979 | mips_return_c(0xffffffff, 20); |
a66d3058 | 1980 | return; |
1981 | } | |
ef79bbde | 1982 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); |
ef79bbde | 1983 | |
dc4fa8bc | 1984 | tcb[th].status = SWAP32(0x4000); |
1985 | tcb[th].mode = SWAP32(0x1000); | |
1986 | tcb[th].epc = SWAP32(a0); | |
1987 | tcb[th].reg[30] = SWAP32(a1); // fp | |
1988 | tcb[th].reg[29] = SWAP32(a1); // sp | |
1989 | tcb[th].reg[28] = SWAP32(a2); // gp | |
ef79bbde | 1990 | |
dc4fa8bc | 1991 | mips_return_c(0xff000000 + th, 34); |
ef79bbde P |
1992 | } |
1993 | ||
1994 | /* | |
1995 | * int CloseTh(long thread); | |
1996 | */ | |
1997 | ||
1998 | void psxBios_CloseTh() { // 0f | |
dc4fa8bc | 1999 | TCB *tcb = loadRam32ptr(A_TT_TCB); |
2000 | u32 limit = loadRam32(A_TT_TCB + 4) / 0xc0u; | |
2001 | u32 th = a0 & 0xff; | |
ef79bbde P |
2002 | |
2003 | #ifdef PSXBIOS_LOG | |
2004 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); | |
2005 | #endif | |
9ee77db1 | 2006 | /* The return value is always 1 (even if the handle was already closed). */ |
2007 | v0 = 1; | |
dc4fa8bc | 2008 | if (th < limit && tcb[th].status == SWAP32(0x4000)) { |
2009 | tcb[th].status = SWAP32(0x1000); | |
ef79bbde P |
2010 | } |
2011 | ||
2012 | pc0 = ra; | |
2013 | } | |
2014 | ||
2015 | /* | |
2016 | * int ChangeTh(long thread); | |
2017 | */ | |
2018 | ||
2019 | void psxBios_ChangeTh() { // 10 | |
dc4fa8bc | 2020 | u32 tcbBase = loadRam32(A_TT_TCB); |
2021 | u32 th = a0 & 0xffff; | |
ef79bbde P |
2022 | |
2023 | #ifdef PSXBIOS_LOG | |
2024 | // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); | |
2025 | #endif | |
dc4fa8bc | 2026 | // without doing any argument checks, just issue a syscall |
2027 | // (like the real bios does) | |
2028 | a0 = 3; | |
2029 | a1 = tcbBase + th * sizeof(TCB); | |
2030 | pc0 = A_SYSCALL; | |
2031 | use_cycles(15); | |
ef79bbde P |
2032 | } |
2033 | ||
2034 | void psxBios_InitPAD() { // 0x12 | |
2035 | #ifdef PSXBIOS_LOG | |
2036 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); | |
2037 | #endif | |
2038 | ||
2039 | pad_buf1 = (char*)Ra0; | |
2040 | pad_buf1len = a1; | |
2041 | pad_buf2 = (char*)Ra2; | |
2042 | pad_buf2len = a3; | |
2043 | ||
2044 | v0 = 1; pc0 = ra; | |
2045 | } | |
2046 | ||
2047 | void psxBios_StartPAD() { // 13 | |
2048 | #ifdef PSXBIOS_LOG | |
2049 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); | |
2050 | #endif | |
f25c285b | 2051 | pad_stopped = 0; |
ef79bbde | 2052 | psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); |
bc7c5acb | 2053 | psxRegs.CP0.n.SR |= 0x401; |
ef79bbde P |
2054 | pc0 = ra; |
2055 | } | |
2056 | ||
2057 | void psxBios_StopPAD() { // 14 | |
2058 | #ifdef PSXBIOS_LOG | |
2059 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); | |
2060 | #endif | |
f25c285b | 2061 | pad_stopped = 1; |
ef79bbde P |
2062 | pad_buf1 = NULL; |
2063 | pad_buf2 = NULL; | |
2064 | pc0 = ra; | |
2065 | } | |
2066 | ||
2067 | void psxBios_PAD_init() { // 15 | |
2068 | #ifdef PSXBIOS_LOG | |
2069 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); | |
2070 | #endif | |
a824e83d | 2071 | if (!(a0 == 0x20000000 || a0 == 0x20000001)) |
2072 | { | |
2073 | v0 = 0; | |
2074 | pc0 = ra; | |
2075 | return; | |
2076 | } | |
ef79bbde P |
2077 | psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); |
2078 | pad_buf = (int *)Ra1; | |
2079 | *pad_buf = -1; | |
bc7c5acb | 2080 | psxRegs.CP0.n.SR |= 0x401; |
a824e83d | 2081 | v0 = 2; |
ef79bbde P |
2082 | pc0 = ra; |
2083 | } | |
2084 | ||
2085 | void psxBios_PAD_dr() { // 16 | |
2086 | #ifdef PSXBIOS_LOG | |
2087 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); | |
2088 | #endif | |
2089 | ||
2090 | v0 = -1; pc0 = ra; | |
2091 | } | |
2092 | ||
dc4fa8bc | 2093 | static void psxBios_ReturnFromException() { // 17 |
2094 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
2095 | const TCB *tcb = loadRam32ptr(tcbPtr); | |
2096 | int i; | |
2097 | ||
2098 | for (i = 1; i < 32; i++) | |
2099 | psxRegs.GPR.r[i] = SWAP32(tcb->reg[i]); | |
2100 | psxRegs.GPR.n.lo = SWAP32(tcb->lo); | |
2101 | psxRegs.GPR.n.hi = SWAP32(tcb->hi); | |
2102 | psxRegs.CP0.n.SR = SWAP32(tcb->sr); | |
ef79bbde | 2103 | |
dc4fa8bc | 2104 | //printf("%s %08x->%08x %u\n", __func__, pc0, tcb->epc, psxRegs.cycle); |
2105 | pc0 = k0 = SWAP32(tcb->epc); | |
ef79bbde | 2106 | |
bc7c5acb | 2107 | psxRegs.CP0.n.SR = (psxRegs.CP0.n.SR & ~0x0f) | ((psxRegs.CP0.n.SR & 0x3c) >> 2); |
dc4fa8bc | 2108 | use_cycles(53); |
2109 | psxBranchTest(); | |
ef79bbde P |
2110 | } |
2111 | ||
2112 | void psxBios_ResetEntryInt() { // 18 | |
ef79bbde | 2113 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); |
ef79bbde | 2114 | |
dc4fa8bc | 2115 | storeRam32(A_EEXIT_PTR, A_EEXIT_DEF); |
2116 | mips_return_void_c(5); | |
ef79bbde P |
2117 | } |
2118 | ||
2119 | void psxBios_HookEntryInt() { // 19 | |
dc4fa8bc | 2120 | PSXBIOS_LOG("psxBios_%s %x\n", biosB0n[0x19], a0); |
ef79bbde | 2121 | |
dc4fa8bc | 2122 | storeRam32(A_EEXIT_PTR, a0); |
2123 | mips_return_void_c(3); | |
ef79bbde P |
2124 | } |
2125 | ||
2126 | void psxBios_UnDeliverEvent() { // 0x20 | |
2127 | int ev, spec; | |
2128 | int i; | |
2129 | ||
2130 | GetEv(); | |
2131 | GetSpec(); | |
2132 | ||
2133 | #ifdef PSXBIOS_LOG | |
2134 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); | |
2135 | #endif | |
2136 | ||
7a8d521f | 2137 | if (EventCB[ev][spec].status == EvStALREADY && |
2138 | EventCB[ev][spec].mode == EvMdNOINTR) | |
2139 | EventCB[ev][spec].status = EvStACTIVE; | |
ef79bbde P |
2140 | |
2141 | pc0 = ra; | |
2142 | } | |
2143 | ||
595a136b | 2144 | char ffile[64], *pfile; |
2145 | int nfile; | |
7a8d521f | 2146 | |
857275a9 | 2147 | static void buopen(int mcd, char *ptr, char *cfg) |
595a136b | 2148 | { |
2149 | int i; | |
7a8d521f | 2150 | char *mcd_data = ptr; |
595a136b | 2151 | |
2152 | strcpy(FDesc[1 + mcd].name, Ra0+5); | |
2153 | FDesc[1 + mcd].offset = 0; | |
2154 | FDesc[1 + mcd].mode = a1; | |
2155 | ||
2156 | for (i=1; i<16; i++) { | |
7a8d521f | 2157 | const char *fptr = mcd_data + 128 * i; |
595a136b | 2158 | if ((*fptr & 0xF0) != 0x50) continue; |
2159 | if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue; | |
2160 | FDesc[1 + mcd].mcfile = i; | |
2161 | SysPrintf("open %s\n", fptr+0xa); | |
2162 | v0 = 1 + mcd; | |
2163 | break; | |
2164 | } | |
2165 | if (a1 & 0x200 && v0 == -1) { /* FCREAT */ | |
595a136b | 2166 | for (i=1; i<16; i++) { |
2167 | int j, xor, nblk = a1 >> 16; | |
7a8d521f | 2168 | char *pptr, *fptr2; |
2169 | char *fptr = mcd_data + 128 * i; | |
595a136b | 2170 | |
595a136b | 2171 | if ((*fptr & 0xF0) != 0xa0) continue; |
2172 | ||
2173 | FDesc[1 + mcd].mcfile = i; | |
2174 | fptr[0] = 0x51; | |
2175 | fptr[4] = 0x00; | |
2176 | fptr[5] = 0x20 * nblk; | |
2177 | fptr[6] = 0x00; | |
2178 | fptr[7] = 0x00; | |
2179 | strcpy(fptr+0xa, FDesc[1 + mcd].name); | |
7a8d521f | 2180 | pptr = fptr2 = fptr; |
595a136b | 2181 | for(j=2; j<=nblk; j++) { |
2182 | int k; | |
2183 | for(i++; i<16; i++) { | |
2184 | fptr2 += 128; | |
7a8d521f | 2185 | |
595a136b | 2186 | memset(fptr2, 0, 128); |
2187 | fptr2[0] = j < nblk ? 0x52 : 0x53; | |
2188 | pptr[8] = i - 1; | |
2189 | pptr[9] = 0; | |
2190 | for (k=0, xor=0; k<127; k++) xor^= pptr[k]; | |
2191 | pptr[127] = xor; | |
2192 | pptr = fptr2; | |
2193 | break; | |
2194 | } | |
2195 | /* shouldn't this return ENOSPC if i == 16? */ | |
2196 | } | |
2197 | pptr[8] = pptr[9] = 0xff; | |
2198 | for (j=0, xor=0; j<127; j++) xor^= pptr[j]; | |
2199 | pptr[127] = xor; | |
2200 | SysPrintf("openC %s %d\n", ptr, nblk); | |
2201 | v0 = 1 + mcd; | |
2202 | /* just go ahead and resave them all */ | |
2203 | SaveMcd(cfg, ptr, 128, 128 * 15); | |
2204 | break; | |
2205 | } | |
2206 | /* shouldn't this return ENOSPC if i == 16? */ | |
2207 | } | |
ef79bbde P |
2208 | } |
2209 | ||
2210 | /* | |
2211 | * int open(char *name , int mode); | |
2212 | */ | |
2213 | ||
2214 | void psxBios_open() { // 0x32 | |
02949f79 | 2215 | void *pa0 = Ra0; |
ef79bbde P |
2216 | |
2217 | #ifdef PSXBIOS_LOG | |
2218 | PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); | |
2219 | #endif | |
2220 | ||
2221 | v0 = -1; | |
2222 | ||
7a8d521f | 2223 | if (pa0 != INVALID_PTR) { |
02949f79 | 2224 | if (!strncmp(pa0, "bu00", 4)) { |
595a136b | 2225 | buopen(1, Mcd1Data, Config.Mcd1); |
02949f79 | 2226 | } |
ef79bbde | 2227 | |
02949f79 | 2228 | if (!strncmp(pa0, "bu10", 4)) { |
595a136b | 2229 | buopen(2, Mcd2Data, Config.Mcd2); |
02949f79 | 2230 | } |
ef79bbde P |
2231 | } |
2232 | ||
2233 | pc0 = ra; | |
2234 | } | |
2235 | ||
2236 | /* | |
2237 | * int lseek(int fd , int offset , int whence); | |
2238 | */ | |
2239 | ||
2240 | void psxBios_lseek() { // 0x33 | |
2241 | #ifdef PSXBIOS_LOG | |
2242 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); | |
2243 | #endif | |
2244 | ||
2245 | switch (a2) { | |
2246 | case 0: // SEEK_SET | |
2247 | FDesc[a0].offset = a1; | |
2248 | v0 = a1; | |
2249 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2250 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2251 | break; | |
2252 | ||
2253 | case 1: // SEEK_CUR | |
2254 | FDesc[a0].offset+= a1; | |
2255 | v0 = FDesc[a0].offset; | |
2256 | break; | |
2257 | } | |
2258 | ||
2259 | pc0 = ra; | |
2260 | } | |
2261 | ||
595a136b | 2262 | |
ef79bbde P |
2263 | /* |
2264 | * int read(int fd , void *buf , int nbytes); | |
2265 | */ | |
2266 | ||
2267 | void psxBios_read() { // 0x34 | |
2268 | char *ptr; | |
02949f79 | 2269 | void *pa1 = Ra1; |
ef79bbde P |
2270 | |
2271 | #ifdef PSXBIOS_LOG | |
2272 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); | |
2273 | #endif | |
2274 | ||
2275 | v0 = -1; | |
2276 | ||
7a8d521f | 2277 | if (pa1 != INVALID_PTR) { |
02949f79 | 2278 | switch (a0) { |
595a136b | 2279 | case 2: buread(pa1, 1, a2); break; |
2280 | case 3: buread(pa1, 2, a2); break; | |
02949f79 | 2281 | } |
ef79bbde | 2282 | } |
7a8d521f | 2283 | |
ef79bbde P |
2284 | pc0 = ra; |
2285 | } | |
2286 | ||
ef79bbde P |
2287 | /* |
2288 | * int write(int fd , void *buf , int nbytes); | |
2289 | */ | |
2290 | ||
2291 | void psxBios_write() { // 0x35/0x03 | |
2292 | char *ptr; | |
02949f79 | 2293 | void *pa1 = Ra1; |
2294 | ||
2295 | #ifdef PSXBIOS_LOG | |
2296 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); | |
2297 | #endif | |
2298 | ||
2299 | v0 = -1; | |
7a8d521f | 2300 | if (pa1 == INVALID_PTR) { |
02949f79 | 2301 | pc0 = ra; |
2302 | return; | |
2303 | } | |
ef79bbde P |
2304 | |
2305 | if (a0 == 1) { // stdout | |
02949f79 | 2306 | char *ptr = pa1; |
ef79bbde | 2307 | |
02949f79 | 2308 | v0 = a2; |
ef79bbde P |
2309 | while (a2 > 0) { |
2310 | SysPrintf("%c", *ptr++); a2--; | |
2311 | } | |
2312 | pc0 = ra; return; | |
2313 | } | |
ef79bbde P |
2314 | |
2315 | switch (a0) { | |
595a136b | 2316 | case 2: buwrite(pa1, 1, a2); break; |
2317 | case 3: buwrite(pa1, 2, a2); break; | |
ef79bbde P |
2318 | } |
2319 | ||
2320 | pc0 = ra; | |
2321 | } | |
2322 | ||
a94ccc7f | 2323 | static void psxBios_write_psxout() { |
2324 | if (a0 == 1) { // stdout | |
2325 | const char *ptr = Ra1; | |
2326 | int len = a2; | |
2327 | ||
2328 | if (ptr != INVALID_PTR) | |
2329 | while (len-- > 0) | |
2330 | SysPrintf("%c", *ptr++); | |
2331 | } | |
2332 | } | |
2333 | ||
2334 | static void psxBios_putchar_psxout() { // 3d | |
2335 | SysPrintf("%c", (char)a0); | |
2336 | } | |
2337 | ||
2338 | static void psxBios_puts_psxout() { // 3e/3f | |
2339 | SysPrintf("%s", Ra0); | |
2340 | } | |
2341 | ||
ef79bbde P |
2342 | /* |
2343 | * int close(int fd); | |
2344 | */ | |
2345 | ||
2346 | void psxBios_close() { // 0x36 | |
2347 | #ifdef PSXBIOS_LOG | |
2348 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); | |
2349 | #endif | |
2350 | ||
2351 | v0 = a0; | |
2352 | pc0 = ra; | |
2353 | } | |
2354 | ||
2355 | void psxBios_putchar() { // 3d | |
2356 | SysPrintf("%c", (char)a0); | |
2357 | pc0 = ra; | |
2358 | } | |
2359 | ||
2360 | void psxBios_puts() { // 3e/3f | |
808a13bd | 2361 | SysPrintf("%s", Ra0); |
ef79bbde P |
2362 | pc0 = ra; |
2363 | } | |
2364 | ||
f1514614 | 2365 | |
2366 | /* To avoid any issues with different behaviour when using the libc's own strlen instead. | |
2367 | * We want to mimic the PSX's behaviour in this case for bufile. */ | |
7a8d521f | 2368 | static size_t strlen_internal(char* p) |
f1514614 | 2369 | { |
2370 | size_t size_of_array = 0; | |
2371 | while (*p++) size_of_array++; | |
2372 | return size_of_array; | |
2373 | } | |
2374 | ||
ef79bbde | 2375 | #define bufile(mcd) { \ |
f1514614 | 2376 | size_t size_of_name = strlen_internal(dir->name); \ |
ef79bbde P |
2377 | while (nfile < 16) { \ |
2378 | int match=1; \ | |
2379 | \ | |
595a136b | 2380 | ptr = Mcd##mcd##Data + 128 * (nfile + 1); \ |
ef79bbde P |
2381 | nfile++; \ |
2382 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
595a136b | 2383 | /* Bug link files show up as free block. */ \ |
2384 | if (!ptr[0xa]) continue; \ | |
ef79bbde P |
2385 | ptr+= 0xa; \ |
2386 | if (pfile[0] == 0) { \ | |
f1514614 | 2387 | strncpy(dir->name, ptr, sizeof(dir->name) - 1); \ |
2388 | if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \ | |
ef79bbde P |
2389 | } else for (i=0; i<20; i++) { \ |
2390 | if (pfile[i] == ptr[i]) { \ | |
595a136b | 2391 | dir->name[i] = ptr[i]; continue; } \ |
ef79bbde P |
2392 | if (pfile[i] == '?') { \ |
2393 | dir->name[i] = ptr[i]; continue; } \ | |
2394 | if (pfile[i] == '*') { \ | |
2395 | strcpy(dir->name+i, ptr+i); break; } \ | |
2396 | match = 0; break; \ | |
2397 | } \ | |
2398 | SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ | |
595a136b | 2399 | if (match == 0) { continue; } \ |
ef79bbde P |
2400 | dir->size = 8192; \ |
2401 | v0 = _dir; \ | |
2402 | break; \ | |
2403 | } \ | |
2404 | } | |
2405 | ||
2406 | /* | |
2407 | * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); | |
2408 | */ | |
7a8d521f | 2409 | |
ef79bbde P |
2410 | void psxBios_firstfile() { // 42 |
2411 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; | |
02949f79 | 2412 | void *pa0 = Ra0; |
ef79bbde P |
2413 | u32 _dir = a1; |
2414 | char *ptr; | |
2415 | int i; | |
2416 | ||
2417 | #ifdef PSXBIOS_LOG | |
2418 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); | |
2419 | #endif | |
2420 | ||
2421 | v0 = 0; | |
2422 | ||
7a8d521f | 2423 | if (pa0 != INVALID_PTR) { |
02949f79 | 2424 | strcpy(ffile, pa0); |
2425 | pfile = ffile+5; | |
8f3b2bd3 | 2426 | nfile = 0; |
02949f79 | 2427 | if (!strncmp(pa0, "bu00", 4)) { |
857fabea | 2428 | // firstfile() calls _card_read() internally, so deliver it's event |
2429 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2430 | bufile(1); |
2431 | } else if (!strncmp(pa0, "bu10", 4)) { | |
857fabea | 2432 | // firstfile() calls _card_read() internally, so deliver it's event |
2433 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2434 | bufile(2); |
2435 | } | |
ef79bbde P |
2436 | } |
2437 | ||
2438 | pc0 = ra; | |
2439 | } | |
2440 | ||
2441 | /* | |
2442 | * struct DIRENTRY* nextfile(struct DIRENTRY *dir); | |
2443 | */ | |
2444 | ||
2445 | void psxBios_nextfile() { // 43 | |
2446 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; | |
2447 | u32 _dir = a0; | |
2448 | char *ptr; | |
2449 | int i; | |
2450 | ||
2451 | #ifdef PSXBIOS_LOG | |
2452 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); | |
2453 | #endif | |
2454 | ||
2455 | v0 = 0; | |
2456 | ||
2457 | if (!strncmp(ffile, "bu00", 4)) { | |
2458 | bufile(1); | |
2459 | } | |
2460 | ||
2461 | if (!strncmp(ffile, "bu10", 4)) { | |
2462 | bufile(2); | |
2463 | } | |
2464 | ||
2465 | pc0 = ra; | |
2466 | } | |
2467 | ||
2468 | #define burename(mcd) { \ | |
2469 | for (i=1; i<16; i++) { \ | |
2470 | int namelen, j, xor = 0; \ | |
2471 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2472 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2473 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2474 | namelen = strlen(Ra1+5); \ | |
2475 | memcpy(ptr+0xa, Ra1+5, namelen); \ | |
2476 | memset(ptr+0xa+namelen, 0, 0x75-namelen); \ | |
2477 | for (j=0; j<127; j++) xor^= ptr[j]; \ | |
2478 | ptr[127] = xor; \ | |
2479 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ | |
2480 | v0 = 1; \ | |
2481 | break; \ | |
2482 | } \ | |
2483 | } | |
2484 | ||
2485 | /* | |
2486 | * int rename(char *old, char *new); | |
2487 | */ | |
2488 | ||
2489 | void psxBios_rename() { // 44 | |
02949f79 | 2490 | void *pa0 = Ra0; |
2491 | void *pa1 = Ra1; | |
ef79bbde P |
2492 | char *ptr; |
2493 | int i; | |
2494 | ||
2495 | #ifdef PSXBIOS_LOG | |
2496 | PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); | |
2497 | #endif | |
2498 | ||
2499 | v0 = 0; | |
2500 | ||
7a8d521f | 2501 | if (pa0 != INVALID_PTR && pa1 != INVALID_PTR) { |
02949f79 | 2502 | if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) { |
2503 | burename(1); | |
2504 | } | |
ef79bbde | 2505 | |
02949f79 | 2506 | if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) { |
2507 | burename(2); | |
2508 | } | |
ef79bbde P |
2509 | } |
2510 | ||
2511 | pc0 = ra; | |
2512 | } | |
2513 | ||
2514 | ||
2515 | #define budelete(mcd) { \ | |
2516 | for (i=1; i<16; i++) { \ | |
2517 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2518 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2519 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2520 | *ptr = (*ptr & 0xf) | 0xA0; \ | |
2521 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ | |
2522 | SysPrintf("delete %s\n", ptr+0xa); \ | |
2523 | v0 = 1; \ | |
2524 | break; \ | |
2525 | } \ | |
2526 | } | |
2527 | ||
2528 | /* | |
2529 | * int delete(char *name); | |
2530 | */ | |
2531 | ||
2532 | void psxBios_delete() { // 45 | |
02949f79 | 2533 | void *pa0 = Ra0; |
ef79bbde P |
2534 | char *ptr; |
2535 | int i; | |
2536 | ||
2537 | #ifdef PSXBIOS_LOG | |
2538 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); | |
2539 | #endif | |
2540 | ||
2541 | v0 = 0; | |
2542 | ||
7a8d521f | 2543 | if (pa0 != INVALID_PTR) { |
02949f79 | 2544 | if (!strncmp(pa0, "bu00", 4)) { |
2545 | budelete(1); | |
2546 | } | |
ef79bbde | 2547 | |
02949f79 | 2548 | if (!strncmp(pa0, "bu10", 4)) { |
2549 | budelete(2); | |
2550 | } | |
ef79bbde P |
2551 | } |
2552 | ||
2553 | pc0 = ra; | |
2554 | } | |
2555 | ||
2556 | void psxBios_InitCARD() { // 4a | |
2557 | #ifdef PSXBIOS_LOG | |
2558 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); | |
2559 | #endif | |
2560 | ||
2561 | CardState = 0; | |
2562 | ||
2563 | pc0 = ra; | |
2564 | } | |
2565 | ||
2566 | void psxBios_StartCARD() { // 4b | |
2567 | #ifdef PSXBIOS_LOG | |
2568 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); | |
2569 | #endif | |
2570 | ||
2571 | if (CardState == 0) CardState = 1; | |
2572 | ||
2573 | pc0 = ra; | |
2574 | } | |
2575 | ||
2576 | void psxBios_StopCARD() { // 4c | |
2577 | #ifdef PSXBIOS_LOG | |
2578 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); | |
2579 | #endif | |
2580 | ||
2581 | if (CardState == 1) CardState = 0; | |
2582 | ||
2583 | pc0 = ra; | |
2584 | } | |
2585 | ||
2586 | void psxBios__card_write() { // 0x4e | |
02949f79 | 2587 | void *pa2 = Ra2; |
ef79bbde P |
2588 | int port; |
2589 | ||
2590 | #ifdef PSXBIOS_LOG | |
2591 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); | |
2592 | #endif | |
1059caaf | 2593 | /* |
2594 | Function also accepts sector 400h (a bug). | |
2595 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. | |
2596 | */ | |
2597 | if (!(a1 <= 0x3FF)) | |
bd48ba5e | 2598 | { |
2599 | /* Invalid sectors */ | |
2600 | v0 = 0; pc0 = ra; | |
2601 | return; | |
2602 | } | |
e9fda093 | 2603 | card_active_chan = a0; |
ef79bbde P |
2604 | port = a0 >> 4; |
2605 | ||
7a8d521f | 2606 | if (pa2 != INVALID_PTR) { |
02949f79 | 2607 | if (port == 0) { |
2608 | memcpy(Mcd1Data + a1 * 128, pa2, 128); | |
2609 | SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); | |
2610 | } else { | |
2611 | memcpy(Mcd2Data + a1 * 128, pa2, 128); | |
2612 | SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); | |
2613 | } | |
ef79bbde P |
2614 | } |
2615 | ||
2616 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2617 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2618 | ||
2619 | v0 = 1; pc0 = ra; | |
2620 | } | |
2621 | ||
2622 | void psxBios__card_read() { // 0x4f | |
02949f79 | 2623 | void *pa2 = Ra2; |
ef79bbde P |
2624 | int port; |
2625 | ||
2626 | #ifdef PSXBIOS_LOG | |
2627 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); | |
2628 | #endif | |
1059caaf | 2629 | /* |
2630 | Function also accepts sector 400h (a bug). | |
2631 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. | |
2632 | */ | |
2633 | if (!(a1 <= 0x3FF)) | |
bd48ba5e | 2634 | { |
2635 | /* Invalid sectors */ | |
2636 | v0 = 0; pc0 = ra; | |
2637 | return; | |
2638 | } | |
e9fda093 | 2639 | card_active_chan = a0; |
ef79bbde P |
2640 | port = a0 >> 4; |
2641 | ||
7a8d521f | 2642 | if (pa2 != INVALID_PTR) { |
02949f79 | 2643 | if (port == 0) { |
2644 | memcpy(pa2, Mcd1Data + a1 * 128, 128); | |
2645 | } else { | |
2646 | memcpy(pa2, Mcd2Data + a1 * 128, 128); | |
2647 | } | |
ef79bbde P |
2648 | } |
2649 | ||
2650 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2651 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2652 | ||
2653 | v0 = 1; pc0 = ra; | |
2654 | } | |
2655 | ||
2656 | void psxBios__new_card() { // 0x50 | |
2657 | #ifdef PSXBIOS_LOG | |
2658 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); | |
2659 | #endif | |
2660 | ||
2661 | pc0 = ra; | |
2662 | } | |
2663 | ||
002b2f7d | 2664 | /* According to a user, this allows Final Fantasy Tactics to save/load properly */ |
2665 | void psxBios__get_error(void) // 55 | |
7a8d521f | 2666 | { |
dc4fa8bc | 2667 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x55]); |
002b2f7d | 2668 | v0 = 0; |
2669 | pc0 = ra; | |
2670 | } | |
2671 | ||
ef79bbde P |
2672 | void psxBios_Krom2RawAdd() { // 0x51 |
2673 | int i = 0; | |
2674 | ||
dc4fa8bc | 2675 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x51]); |
ef79bbde P |
2676 | const u32 table_8140[][2] = { |
2677 | {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, | |
2678 | {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, | |
2679 | {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, | |
2680 | {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, | |
2681 | {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, | |
2682 | {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, | |
2683 | {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, | |
2684 | {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, | |
2685 | {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, | |
2686 | {0xffff, 0} | |
2687 | }; | |
2688 | ||
2689 | const u32 table_889f[][2] = { | |
2690 | {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, | |
2691 | {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, | |
2692 | {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, | |
2693 | {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, | |
2694 | {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, | |
2695 | {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, | |
2696 | {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, | |
2697 | {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, | |
2698 | {0xffff, 0} | |
2699 | }; | |
2700 | ||
2701 | if (a0 >= 0x8140 && a0 <= 0x84be) { | |
2702 | while (table_8140[i][0] <= a0) i++; | |
2703 | a0 -= table_8140[i - 1][0]; | |
2704 | v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); | |
2705 | } else if (a0 >= 0x889f && a0 <= 0x9872) { | |
2706 | while (table_889f[i][0] <= a0) i++; | |
2707 | a0 -= table_889f[i - 1][0]; | |
2708 | v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); | |
2709 | } else { | |
2710 | v0 = 0xffffffff; | |
2711 | } | |
2712 | ||
2713 | pc0 = ra; | |
2714 | } | |
2715 | ||
2716 | void psxBios_GetC0Table() { // 56 | |
ef79bbde | 2717 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); |
dc4fa8bc | 2718 | log_unhandled("GetC0Table @%08x\n", ra); |
ef79bbde | 2719 | |
dc4fa8bc | 2720 | mips_return_c(A_C0_TABLE, 3); |
ef79bbde P |
2721 | } |
2722 | ||
2723 | void psxBios_GetB0Table() { // 57 | |
ef79bbde | 2724 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); |
dc4fa8bc | 2725 | log_unhandled("GetB0Table @%08x\n", ra); |
ef79bbde | 2726 | |
dc4fa8bc | 2727 | mips_return_c(A_B0_TABLE, 3); |
ef79bbde P |
2728 | } |
2729 | ||
e9fda093 | 2730 | void psxBios__card_chan() { // 0x58 |
2731 | #ifdef PSXBIOS_LOG | |
2732 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]); | |
2733 | #endif | |
2734 | ||
2735 | v0 = card_active_chan; | |
2736 | pc0 = ra; | |
2737 | } | |
2738 | ||
ef79bbde P |
2739 | void psxBios_ChangeClearPad() { // 5b |
2740 | #ifdef PSXBIOS_LOG | |
2741 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); | |
7a8d521f | 2742 | #endif |
ef79bbde P |
2743 | |
2744 | pc0 = ra; | |
2745 | } | |
2746 | ||
21af3ff6 | 2747 | void psxBios__card_status() { // 5c |
2748 | #ifdef PSXBIOS_LOG | |
2749 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0); | |
2750 | #endif | |
2751 | ||
cf1af0ed | 2752 | v0 = card_active_chan; |
21af3ff6 | 2753 | pc0 = ra; |
2754 | } | |
2755 | ||
5f652aa9 | 2756 | void psxBios__card_wait() { // 5d |
2757 | #ifdef PSXBIOS_LOG | |
2758 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0); | |
2759 | #endif | |
2760 | ||
2761 | v0 = 1; | |
2762 | pc0 = ra; | |
2763 | } | |
2764 | ||
ef79bbde P |
2765 | /* System calls C0 */ |
2766 | ||
7650b754 | 2767 | static void psxBios_SysEnqIntRP(); |
2768 | ||
2769 | static void psxBios_InitRCnt() { // 00 | |
2770 | int i; | |
2771 | PSXBIOS_LOG("psxBios_%s %x\n", biosC0n[0x00], a0); | |
2772 | psxHwWrite16(0x1f801074, psxHu32(0x1074) & ~0x71); | |
2773 | for (i = 0; i < 3; i++) { | |
2774 | psxHwWrite16(0x1f801100 + i*0x10 + 4, 0); | |
2775 | psxHwWrite16(0x1f801100 + i*0x10 + 8, 0); | |
2776 | psxHwWrite16(0x1f801100 + i*0x10 + 0, 0); | |
2777 | } | |
2778 | a1 = 0x6d88; | |
2779 | psxBios_SysEnqIntRP(); | |
2780 | mips_return_c(0, 9); | |
2781 | } | |
2782 | ||
2783 | static void psxBios_InitException() { // 01 | |
2784 | PSXBIOS_LOG("psxBios_%s %x\n", biosC0n[0x01], a0); | |
2785 | a1 = 0x6da8; | |
2786 | psxBios_SysEnqIntRP(); | |
2787 | mips_return_c(0, 9); | |
2788 | } | |
2789 | ||
ef79bbde P |
2790 | /* |
2791 | * int SysEnqIntRP(int index , long *queue); | |
2792 | */ | |
2793 | ||
7650b754 | 2794 | static void psxBios_SysEnqIntRP() { // 02 |
dc4fa8bc | 2795 | u32 old, base = loadRam32(A_TT_ExCB); |
2796 | PSXBIOS_LOG("psxBios_%s %x %x\n", biosC0n[0x02], a0, a1); | |
ef79bbde | 2797 | |
dc4fa8bc | 2798 | old = loadRam32(base + (a0 << 3)); |
2799 | storeRam32(base + (a0 << 3), a1); | |
2800 | storeRam32(a1, old); | |
2801 | mips_return_c(0, 9); | |
ef79bbde P |
2802 | } |
2803 | ||
2804 | /* | |
2805 | * int SysDeqIntRP(int index , long *queue); | |
2806 | */ | |
2807 | ||
dc4fa8bc | 2808 | static void psxBios_SysDeqIntRP_() { // 03 |
2809 | u32 ptr, next, base = loadRam32(A_TT_ExCB); | |
2810 | u32 lim = 0, ret = 0; | |
2811 | ||
2812 | // as in original: no arg checks of any kind, bug if a1 == 0 | |
2813 | ptr = loadRam32(base + (a0 << 3)); | |
2814 | while (ptr) { | |
2815 | next = loadRam32(ptr); | |
2816 | if (ptr == a1) { | |
2817 | storeRam32(base + (a0 << 3), next); | |
2818 | ret = ptr; | |
2819 | use_cycles(6); | |
2820 | break; | |
2821 | } | |
2822 | while (next && next != a1 && lim++ < 100) { | |
2823 | ptr = next; | |
2824 | next = loadRam32(ptr); | |
2825 | use_cycles(8); | |
2826 | } | |
2827 | if (next == a1) { | |
2828 | next = loadRam32(next); | |
2829 | storeRam32(ptr, next); | |
2830 | ret = ptr; | |
2831 | use_cycles(6); | |
2832 | } | |
2833 | break; | |
2834 | } | |
2835 | if (lim == 100) | |
2836 | PSXBIOS_LOG("bad chain %u %x\n", a0, base); | |
ef79bbde | 2837 | |
dc4fa8bc | 2838 | mips_return_c(ret, 12); |
2839 | } | |
ef79bbde | 2840 | |
dc4fa8bc | 2841 | static void psxBios_SysDeqIntRP() { // 03 |
2842 | PSXBIOS_LOG("psxBios_%s %x %x\n", biosC0n[0x03], a0, a1); | |
2843 | psxBios_SysDeqIntRP_(); | |
ef79bbde P |
2844 | } |
2845 | ||
7650b754 | 2846 | static void psxBios_SysInitMemory_(u32 base, u32 size) { |
2847 | storeRam32(base, 0); | |
2848 | storeRam32(A_KMALLOC_PTR, base); | |
2849 | storeRam32(A_KMALLOC_SIZE, size); | |
2850 | storeRam32(A_KMALLOC_END, base + (size & ~3) + 4); | |
2851 | } | |
2852 | ||
2853 | // this should be much more complicated, but maybe that'll be enough | |
2854 | static u32 psxBios_SysMalloc_(u32 size) { | |
2855 | u32 ptr = loadRam32(A_KMALLOC_PTR); | |
2856 | ||
2857 | size = (size + 3) & ~3; | |
2858 | storeRam32(A_KMALLOC_PTR, ptr + 4 + size); | |
2859 | storeRam32(ptr, size); | |
2860 | return ptr + 4; | |
2861 | } | |
2862 | ||
2863 | static void psxBios_SysInitMemory() { // 08 | |
2864 | PSXBIOS_LOG("psxBios_%s %x %x\n", biosC0n[0x08], a0, a1); | |
2865 | ||
2866 | psxBios_SysInitMemory_(a0, a1); | |
2867 | mips_return_void_c(12); | |
2868 | } | |
2869 | ||
2870 | static void psxBios_ChangeClearRCnt() { // 0a | |
dc4fa8bc | 2871 | u32 ret; |
ef79bbde | 2872 | |
ef79bbde | 2873 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); |
ef79bbde | 2874 | |
dc4fa8bc | 2875 | ret = loadRam32(A_RCNT_VBL_ACK + (a0 << 2)); |
2876 | storeRam32(A_RCNT_VBL_ACK + (a0 << 2), a1); | |
2877 | mips_return_c(ret, 8); | |
ef79bbde P |
2878 | } |
2879 | ||
7650b754 | 2880 | static void psxBios_InitDefInt() { // 0c |
2881 | PSXBIOS_LOG("psxBios_%s %x\n", biosC0n[0x0c], a0); | |
2882 | // should also clear the autoack table | |
2883 | a1 = 0x6d98; | |
2884 | psxBios_SysEnqIntRP(); | |
2885 | mips_return_c(0, 20 + 6*2); | |
2886 | } | |
2887 | ||
7a8d521f | 2888 | void psxBios_dummy() { |
dc4fa8bc | 2889 | u32 pc = (pc0 & 0x1fffff) - 4; |
2890 | char **ntab = pc == 0xa0 ? biosA0n : pc == 0xb0 ? biosB0n | |
2891 | : pc == 0xc0 ? biosC0n : NULL; | |
2892 | PSXBIOS_LOG("unk %x call: %x ra=%x (%s)\n", | |
2893 | pc, t1, ra, ntab ? ntab[t1 & 0xff] : "???"); | |
2894 | (void)pc; (void)ntab; | |
2895 | mips_return_c(0, 100); | |
ef79bbde P |
2896 | } |
2897 | ||
2898 | void (*biosA0[256])(); | |
dc4fa8bc | 2899 | // C0 and B0 overlap (end of C0 is start of B0) |
2900 | void (*biosC0[256+128])(); | |
2901 | void (**biosB0)() = biosC0 + 128; | |
ef79bbde P |
2902 | |
2903 | #include "sjisfont.h" | |
2904 | ||
dc4fa8bc | 2905 | void setup_mips_code() |
2906 | { | |
2907 | u32 *ptr; | |
2908 | ptr = (u32 *)&psxM[A_SYSCALL]; | |
2909 | ptr[0x00/4] = SWAPu32(0x0000000c); // syscall 0 | |
2910 | ptr[0x04/4] = SWAPu32(0x03e00008); // jr $ra | |
2911 | ptr[0x08/4] = SWAPu32(0x00000000); // nop | |
2912 | ||
2913 | ptr = (u32 *)&psxM[A_EXCEPTION]; | |
2914 | memset(ptr, 0, 0xc0); // nops (to be patched by games sometimes) | |
2915 | ptr[0x10/4] = SWAPu32(0x8c1a0108); // lw $k0, (0x108) // PCB | |
2916 | ptr[0x14/4] = SWAPu32(0x00000000); // nop | |
2917 | ptr[0x18/4] = SWAPu32(0x8f5a0000); // lw $k0, ($k0) // TCB | |
2918 | ptr[0x1c/4] = SWAPu32(0x00000000); // nop | |
2919 | ptr[0x20/4] = SWAPu32(0x275a0008); // addiu $k0, $k0, 8 // regs | |
2920 | ptr[0x24/4] = SWAPu32(0xaf5f007c); // sw $ra, 0x7c($k0) | |
2921 | ptr[0x28/4] = SWAPu32(0xaf410004); // sw $at, 0x04($k0) | |
2922 | ptr[0x2c/4] = SWAPu32(0xaf420008); // sw $v0, 0x08($k0) | |
2923 | ptr[0x30/4] = SWAPu32(0xaf43000c); // sw $v1, 0x0c($k0) | |
2924 | ||
2925 | ptr[0x60/4] = SWAPu32(0x40037000); // mfc0 $v1, EPC | |
2926 | ptr[0x64/4] = SWAPu32(0x40026800); // mfc0 $v0, Cause | |
2927 | ptr[0x68/4] = SWAPu32(0x24630004); // addiu $v1, $v1, 4 | |
2928 | ptr[0x6c/4] = SWAPu32(0xaf430080); // sw $v1, 0x80($k0) | |
2929 | ||
2930 | ptr[0xb0/4] = HLEOP(hleop_exception); | |
2931 | } | |
2932 | ||
2933 | static const struct { | |
2934 | u32 addr; | |
2935 | enum hle_op op; | |
2936 | } chainfns[] = { | |
2937 | { 0xbfc050a4, hleop_exc0_0_1 }, | |
2938 | { 0xbfc04fbc, hleop_exc0_0_2 }, | |
2939 | { 0xbfc0506c, hleop_exc0_1_1 }, | |
2940 | { 0xbfc04dec, hleop_exc0_1_2 }, | |
2941 | { 0x1a00, hleop_exc0_2_2 }, | |
2942 | { 0x19c8, hleop_exc1_0_1 }, | |
2943 | { 0x18bc, hleop_exc1_0_2 }, | |
2944 | { 0x1990, hleop_exc1_1_1 }, | |
2945 | { 0x1858, hleop_exc1_1_2 }, | |
2946 | { 0x1958, hleop_exc1_2_1 }, | |
2947 | { 0x17f4, hleop_exc1_2_2 }, | |
2948 | { 0x1920, hleop_exc1_3_1 }, | |
2949 | { 0x1794, hleop_exc1_3_2 }, | |
2950 | { 0x2458, hleop_exc3_0_2 }, | |
2951 | }; | |
2952 | ||
2953 | static int chain_hle_op(u32 handler) | |
2954 | { | |
2955 | size_t i; | |
2956 | ||
2957 | for (i = 0; i < sizeof(chainfns) / sizeof(chainfns[0]); i++) | |
2958 | if (chainfns[i].addr == handler) | |
2959 | return chainfns[i].op; | |
2960 | return hleop_dummy; | |
2961 | } | |
2962 | ||
2963 | static void write_chain(u32 *d, u32 next, u32 handler1, u32 handler2) | |
2964 | { | |
2965 | d[0] = SWAPu32(next); | |
2966 | d[1] = SWAPu32(handler1); | |
2967 | d[2] = SWAPu32(handler2); | |
2968 | ||
2969 | // install hle traps | |
2970 | PSXMu32ref(handler1) = HLEOP(chain_hle_op(handler1)); | |
2971 | PSXMu32ref(handler2) = HLEOP(chain_hle_op(handler2)); | |
2972 | } | |
2973 | ||
7650b754 | 2974 | static void setup_tt(u32 tcb_cnt, u32 evcb_cnt) |
2975 | { | |
2976 | u32 *ram32 = (u32 *)psxM; | |
2977 | u32 s_excb = 0x20, s_evcb = 0x1c * evcb_cnt; | |
2978 | u32 s_pcb = 4, s_tcb = 0xc0 * tcb_cnt; | |
2979 | u32 p_excb, p_evcb, p_pcb, p_tcb; | |
2980 | ||
2981 | memset(ram32 + 0xe000/4, 0, s_excb + s_evcb + s_pcb + s_tcb + 5*4); | |
2982 | psxBios_SysInitMemory_(0xa000e000, 0x2000); | |
2983 | p_excb = psxBios_SysMalloc_(s_excb); | |
2984 | p_evcb = psxBios_SysMalloc_(s_evcb); | |
2985 | p_pcb = psxBios_SysMalloc_(s_pcb); | |
2986 | p_tcb = psxBios_SysMalloc_(s_tcb); | |
2987 | ||
2988 | // "table of tables". Some games modify it | |
2989 | assert(A_TT_ExCB == 0x0100); | |
2990 | ram32[0x0100/4] = SWAPu32(p_excb); // ExCB - exception chains | |
2991 | ram32[0x0104/4] = SWAPu32(s_excb); // ExCB size | |
2992 | ram32[0x0108/4] = SWAPu32(p_pcb); // PCB - process control | |
2993 | ram32[0x010c/4] = SWAPu32(s_pcb); // PCB size | |
2994 | ram32[0x0110/4] = SWAPu32(p_tcb); // TCB - thread control | |
2995 | ram32[0x0114/4] = SWAPu32(s_tcb); // TCB size | |
2996 | ram32[0x0120/4] = SWAPu32(p_evcb); // EvCB - event control | |
2997 | ram32[0x0124/4] = SWAPu32(s_evcb); // EvCB size | |
2998 | ram32[0x0140/4] = SWAPu32(0x8648); // FCB - file control | |
2999 | ram32[0x0144/4] = SWAPu32(0x02c0); // FCB size | |
3000 | ram32[0x0150/4] = SWAPu32(0x6ee0); // DCB - device control | |
3001 | ram32[0x0154/4] = SWAPu32(0x0320); // DCB size | |
3002 | ||
3003 | storeRam32(p_excb + 0*4, 0x91e0); // chain0 | |
3004 | storeRam32(p_excb + 2*4, 0x6d88); // chain1 | |
3005 | storeRam32(p_excb + 4*4, 0x0000); // chain2 | |
3006 | storeRam32(p_excb + 6*4, 0x6d98); // chain3 | |
3007 | ||
3008 | storeRam32(p_pcb, p_tcb); | |
3009 | storeRam32(p_tcb, 0x4000); // first TCB | |
3010 | } | |
3011 | ||
ef79bbde P |
3012 | void psxBiosInit() { |
3013 | u32 base, size; | |
dc4fa8bc | 3014 | u32 *ptr, *ram32; |
ef79bbde P |
3015 | int i; |
3016 | uLongf len; | |
3017 | ||
dc4fa8bc | 3018 | memset(psxM, 0, 0x10000); |
ef79bbde P |
3019 | for(i = 0; i < 256; i++) { |
3020 | biosA0[i] = NULL; | |
3021 | biosB0[i] = NULL; | |
3022 | biosC0[i] = NULL; | |
3023 | } | |
a94ccc7f | 3024 | biosA0[0x03] = biosB0[0x35] = psxBios_write_psxout; |
3025 | biosA0[0x3c] = biosB0[0x3d] = psxBios_putchar_psxout; | |
3026 | biosA0[0x3e] = biosB0[0x3f] = psxBios_puts_psxout; | |
3027 | biosA0[0x3f] = psxBios_printf_psxout; | |
ef79bbde P |
3028 | |
3029 | if (!Config.HLE) return; | |
3030 | ||
3031 | for(i = 0; i < 256; i++) { | |
3032 | if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; | |
3033 | if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; | |
3034 | if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; | |
3035 | } | |
3036 | ||
3037 | biosA0[0x00] = psxBios_open; | |
3038 | biosA0[0x01] = psxBios_lseek; | |
3039 | biosA0[0x02] = psxBios_read; | |
3040 | biosA0[0x03] = psxBios_write; | |
3041 | biosA0[0x04] = psxBios_close; | |
3042 | //biosA0[0x05] = psxBios_ioctl; | |
3043 | //biosA0[0x06] = psxBios_exit; | |
3044 | //biosA0[0x07] = psxBios_sys_a0_07; | |
324cec89 | 3045 | biosA0[0x08] = psxBios_getc; |
3046 | biosA0[0x09] = psxBios_putc; | |
ba11675c | 3047 | biosA0[0x0a] = psxBios_todigit; |
ef79bbde P |
3048 | //biosA0[0x0b] = psxBios_atof; |
3049 | //biosA0[0x0c] = psxBios_strtoul; | |
3050 | //biosA0[0x0d] = psxBios_strtol; | |
3051 | biosA0[0x0e] = psxBios_abs; | |
3052 | biosA0[0x0f] = psxBios_labs; | |
3053 | biosA0[0x10] = psxBios_atoi; | |
3054 | biosA0[0x11] = psxBios_atol; | |
3055 | //biosA0[0x12] = psxBios_atob; | |
3056 | biosA0[0x13] = psxBios_setjmp; | |
3057 | biosA0[0x14] = psxBios_longjmp; | |
3058 | biosA0[0x15] = psxBios_strcat; | |
3059 | biosA0[0x16] = psxBios_strncat; | |
3060 | biosA0[0x17] = psxBios_strcmp; | |
3061 | biosA0[0x18] = psxBios_strncmp; | |
3062 | biosA0[0x19] = psxBios_strcpy; | |
3063 | biosA0[0x1a] = psxBios_strncpy; | |
3064 | biosA0[0x1b] = psxBios_strlen; | |
3065 | biosA0[0x1c] = psxBios_index; | |
3066 | biosA0[0x1d] = psxBios_rindex; | |
3067 | biosA0[0x1e] = psxBios_strchr; | |
3068 | biosA0[0x1f] = psxBios_strrchr; | |
3069 | biosA0[0x20] = psxBios_strpbrk; | |
3070 | biosA0[0x21] = psxBios_strspn; | |
3071 | biosA0[0x22] = psxBios_strcspn; | |
3072 | biosA0[0x23] = psxBios_strtok; | |
3073 | biosA0[0x24] = psxBios_strstr; | |
3074 | biosA0[0x25] = psxBios_toupper; | |
3075 | biosA0[0x26] = psxBios_tolower; | |
3076 | biosA0[0x27] = psxBios_bcopy; | |
3077 | biosA0[0x28] = psxBios_bzero; | |
3078 | biosA0[0x29] = psxBios_bcmp; | |
3079 | biosA0[0x2a] = psxBios_memcpy; | |
3080 | biosA0[0x2b] = psxBios_memset; | |
3081 | biosA0[0x2c] = psxBios_memmove; | |
3082 | biosA0[0x2d] = psxBios_memcmp; | |
3083 | biosA0[0x2e] = psxBios_memchr; | |
3084 | biosA0[0x2f] = psxBios_rand; | |
3085 | biosA0[0x30] = psxBios_srand; | |
3086 | biosA0[0x31] = psxBios_qsort; | |
3087 | //biosA0[0x32] = psxBios_strtod; | |
3088 | biosA0[0x33] = psxBios_malloc; | |
3089 | biosA0[0x34] = psxBios_free; | |
3090 | //biosA0[0x35] = psxBios_lsearch; | |
3091 | //biosA0[0x36] = psxBios_bsearch; | |
3092 | biosA0[0x37] = psxBios_calloc; | |
3093 | biosA0[0x38] = psxBios_realloc; | |
3094 | biosA0[0x39] = psxBios_InitHeap; | |
3095 | //biosA0[0x3a] = psxBios__exit; | |
3096 | biosA0[0x3b] = psxBios_getchar; | |
7a8d521f | 3097 | biosA0[0x3c] = psxBios_putchar; |
ef79bbde | 3098 | //biosA0[0x3d] = psxBios_gets; |
dc4fa8bc | 3099 | biosA0[0x40] = psxBios_SystemErrorUnresolvedException; |
ef79bbde P |
3100 | //biosA0[0x41] = psxBios_LoadTest; |
3101 | biosA0[0x42] = psxBios_Load; | |
3102 | biosA0[0x43] = psxBios_Exec; | |
3103 | biosA0[0x44] = psxBios_FlushCache; | |
3104 | //biosA0[0x45] = psxBios_InstallInterruptHandler; | |
3105 | biosA0[0x46] = psxBios_GPU_dw; | |
3106 | biosA0[0x47] = psxBios_mem2vram; | |
3107 | biosA0[0x48] = psxBios_SendGPU; | |
3108 | biosA0[0x49] = psxBios_GPU_cw; | |
3109 | biosA0[0x4a] = psxBios_GPU_cwb; | |
3110 | biosA0[0x4b] = psxBios_GPU_SendPackets; | |
3111 | biosA0[0x4c] = psxBios_sys_a0_4c; | |
3112 | biosA0[0x4d] = psxBios_GPU_GetGPUStatus; | |
7a8d521f | 3113 | //biosA0[0x4e] = psxBios_GPU_sync; |
ef79bbde P |
3114 | //biosA0[0x4f] = psxBios_sys_a0_4f; |
3115 | //biosA0[0x50] = psxBios_sys_a0_50; | |
3116 | biosA0[0x51] = psxBios_LoadExec; | |
3117 | //biosA0[0x52] = psxBios_GetSysSp; | |
3118 | //biosA0[0x53] = psxBios_sys_a0_53; | |
3119 | //biosA0[0x54] = psxBios__96_init_a54; | |
3120 | //biosA0[0x55] = psxBios__bu_init_a55; | |
dc4fa8bc | 3121 | biosA0[0x56] = psxBios_CdRemove; |
ef79bbde P |
3122 | //biosA0[0x57] = psxBios_sys_a0_57; |
3123 | //biosA0[0x58] = psxBios_sys_a0_58; | |
3124 | //biosA0[0x59] = psxBios_sys_a0_59; | |
3125 | //biosA0[0x5a] = psxBios_sys_a0_5a; | |
3126 | //biosA0[0x5b] = psxBios_dev_tty_init; | |
3127 | //biosA0[0x5c] = psxBios_dev_tty_open; | |
3128 | //biosA0[0x5d] = psxBios_sys_a0_5d; | |
3129 | //biosA0[0x5e] = psxBios_dev_tty_ioctl; | |
3130 | //biosA0[0x5f] = psxBios_dev_cd_open; | |
3131 | //biosA0[0x60] = psxBios_dev_cd_read; | |
3132 | //biosA0[0x61] = psxBios_dev_cd_close; | |
3133 | //biosA0[0x62] = psxBios_dev_cd_firstfile; | |
3134 | //biosA0[0x63] = psxBios_dev_cd_nextfile; | |
3135 | //biosA0[0x64] = psxBios_dev_cd_chdir; | |
3136 | //biosA0[0x65] = psxBios_dev_card_open; | |
3137 | //biosA0[0x66] = psxBios_dev_card_read; | |
3138 | //biosA0[0x67] = psxBios_dev_card_write; | |
3139 | //biosA0[0x68] = psxBios_dev_card_close; | |
3140 | //biosA0[0x69] = psxBios_dev_card_firstfile; | |
3141 | //biosA0[0x6a] = psxBios_dev_card_nextfile; | |
3142 | //biosA0[0x6b] = psxBios_dev_card_erase; | |
3143 | //biosA0[0x6c] = psxBios_dev_card_undelete; | |
3144 | //biosA0[0x6d] = psxBios_dev_card_format; | |
3145 | //biosA0[0x6e] = psxBios_dev_card_rename; | |
3146 | //biosA0[0x6f] = psxBios_dev_card_6f; | |
3147 | biosA0[0x70] = psxBios__bu_init; | |
3148 | biosA0[0x71] = psxBios__96_init; | |
dc4fa8bc | 3149 | biosA0[0x72] = psxBios_CdRemove; |
ef79bbde P |
3150 | //biosA0[0x73] = psxBios_sys_a0_73; |
3151 | //biosA0[0x74] = psxBios_sys_a0_74; | |
3152 | //biosA0[0x75] = psxBios_sys_a0_75; | |
3153 | //biosA0[0x76] = psxBios_sys_a0_76; | |
3154 | //biosA0[0x77] = psxBios_sys_a0_77; | |
3155 | //biosA0[0x78] = psxBios__96_CdSeekL; | |
3156 | //biosA0[0x79] = psxBios_sys_a0_79; | |
3157 | //biosA0[0x7a] = psxBios_sys_a0_7a; | |
3158 | //biosA0[0x7b] = psxBios_sys_a0_7b; | |
3159 | //biosA0[0x7c] = psxBios__96_CdGetStatus; | |
3160 | //biosA0[0x7d] = psxBios_sys_a0_7d; | |
3161 | //biosA0[0x7e] = psxBios__96_CdRead; | |
3162 | //biosA0[0x7f] = psxBios_sys_a0_7f; | |
3163 | //biosA0[0x80] = psxBios_sys_a0_80; | |
3164 | //biosA0[0x81] = psxBios_sys_a0_81; | |
7a8d521f | 3165 | //biosA0[0x82] = psxBios_sys_a0_82; |
ef79bbde P |
3166 | //biosA0[0x83] = psxBios_sys_a0_83; |
3167 | //biosA0[0x84] = psxBios_sys_a0_84; | |
7a8d521f | 3168 | //biosA0[0x85] = psxBios__96_CdStop; |
ef79bbde P |
3169 | //biosA0[0x86] = psxBios_sys_a0_86; |
3170 | //biosA0[0x87] = psxBios_sys_a0_87; | |
3171 | //biosA0[0x88] = psxBios_sys_a0_88; | |
3172 | //biosA0[0x89] = psxBios_sys_a0_89; | |
3173 | //biosA0[0x8a] = psxBios_sys_a0_8a; | |
3174 | //biosA0[0x8b] = psxBios_sys_a0_8b; | |
3175 | //biosA0[0x8c] = psxBios_sys_a0_8c; | |
3176 | //biosA0[0x8d] = psxBios_sys_a0_8d; | |
3177 | //biosA0[0x8e] = psxBios_sys_a0_8e; | |
3178 | //biosA0[0x8f] = psxBios_sys_a0_8f; | |
dc4fa8bc | 3179 | biosA0[0x90] = hleExc0_1_2; |
3180 | biosA0[0x91] = hleExc0_0_2; | |
3181 | biosA0[0x92] = hleExc0_1_1; | |
3182 | biosA0[0x93] = hleExc0_0_1; | |
ef79bbde P |
3183 | //biosA0[0x94] = psxBios_sys_a0_94; |
3184 | //biosA0[0x95] = psxBios_sys_a0_95; | |
3185 | //biosA0[0x96] = psxBios_AddCDROMDevice; | |
3186 | //biosA0[0x97] = psxBios_AddMemCardDevide; | |
3187 | //biosA0[0x98] = psxBios_DisableKernelIORedirection; | |
3188 | //biosA0[0x99] = psxBios_EnableKernelIORedirection; | |
3189 | //biosA0[0x9a] = psxBios_sys_a0_9a; | |
3190 | //biosA0[0x9b] = psxBios_sys_a0_9b; | |
3191 | //biosA0[0x9c] = psxBios_SetConf; | |
3192 | //biosA0[0x9d] = psxBios_GetConf; | |
3193 | //biosA0[0x9e] = psxBios_sys_a0_9e; | |
3194 | biosA0[0x9f] = psxBios_SetMem; | |
3195 | //biosA0[0xa0] = psxBios__boot; | |
3196 | //biosA0[0xa1] = psxBios_SystemError; | |
3197 | //biosA0[0xa2] = psxBios_EnqueueCdIntr; | |
dc4fa8bc | 3198 | biosA0[0xa3] = psxBios_DequeueCdIntr; |
ef79bbde P |
3199 | //biosA0[0xa4] = psxBios_sys_a0_a4; |
3200 | //biosA0[0xa5] = psxBios_ReadSector; | |
18dd7e9e | 3201 | biosA0[0xa6] = psxBios_get_cd_status; |
ef79bbde P |
3202 | //biosA0[0xa7] = psxBios_bufs_cb_0; |
3203 | //biosA0[0xa8] = psxBios_bufs_cb_1; | |
3204 | //biosA0[0xa9] = psxBios_bufs_cb_2; | |
3205 | //biosA0[0xaa] = psxBios_bufs_cb_3; | |
3206 | biosA0[0xab] = psxBios__card_info; | |
3207 | biosA0[0xac] = psxBios__card_load; | |
3208 | //biosA0[0axd] = psxBios__card_auto; | |
3209 | //biosA0[0xae] = psxBios_bufs_cd_4; | |
3210 | //biosA0[0xaf] = psxBios_sys_a0_af; | |
3211 | //biosA0[0xb0] = psxBios_sys_a0_b0; | |
3212 | //biosA0[0xb1] = psxBios_sys_a0_b1; | |
3213 | //biosA0[0xb2] = psxBios_do_a_long_jmp | |
3214 | //biosA0[0xb3] = psxBios_sys_a0_b3; | |
3215 | //biosA0[0xb4] = psxBios_sub_function; | |
3216 | //*******************B0 CALLS**************************** | |
7650b754 | 3217 | biosB0[0x00] = psxBios_SysMalloc; |
ef79bbde P |
3218 | //biosB0[0x01] = psxBios_sys_b0_01; |
3219 | biosB0[0x02] = psxBios_SetRCnt; | |
3220 | biosB0[0x03] = psxBios_GetRCnt; | |
3221 | biosB0[0x04] = psxBios_StartRCnt; | |
3222 | biosB0[0x05] = psxBios_StopRCnt; | |
3223 | biosB0[0x06] = psxBios_ResetRCnt; | |
3224 | biosB0[0x07] = psxBios_DeliverEvent; | |
3225 | biosB0[0x08] = psxBios_OpenEvent; | |
3226 | biosB0[0x09] = psxBios_CloseEvent; | |
3227 | biosB0[0x0a] = psxBios_WaitEvent; | |
3228 | biosB0[0x0b] = psxBios_TestEvent; | |
3229 | biosB0[0x0c] = psxBios_EnableEvent; | |
3230 | biosB0[0x0d] = psxBios_DisableEvent; | |
3231 | biosB0[0x0e] = psxBios_OpenTh; | |
3232 | biosB0[0x0f] = psxBios_CloseTh; | |
3233 | biosB0[0x10] = psxBios_ChangeTh; | |
3234 | //biosB0[0x11] = psxBios_psxBios_b0_11; | |
3235 | biosB0[0x12] = psxBios_InitPAD; | |
3236 | biosB0[0x13] = psxBios_StartPAD; | |
3237 | biosB0[0x14] = psxBios_StopPAD; | |
3238 | biosB0[0x15] = psxBios_PAD_init; | |
3239 | biosB0[0x16] = psxBios_PAD_dr; | |
3240 | biosB0[0x17] = psxBios_ReturnFromException; | |
3241 | biosB0[0x18] = psxBios_ResetEntryInt; | |
3242 | biosB0[0x19] = psxBios_HookEntryInt; | |
3243 | //biosB0[0x1a] = psxBios_sys_b0_1a; | |
3244 | //biosB0[0x1b] = psxBios_sys_b0_1b; | |
3245 | //biosB0[0x1c] = psxBios_sys_b0_1c; | |
3246 | //biosB0[0x1d] = psxBios_sys_b0_1d; | |
3247 | //biosB0[0x1e] = psxBios_sys_b0_1e; | |
3248 | //biosB0[0x1f] = psxBios_sys_b0_1f; | |
3249 | biosB0[0x20] = psxBios_UnDeliverEvent; | |
3250 | //biosB0[0x21] = psxBios_sys_b0_21; | |
3251 | //biosB0[0x22] = psxBios_sys_b0_22; | |
3252 | //biosB0[0x23] = psxBios_sys_b0_23; | |
3253 | //biosB0[0x24] = psxBios_sys_b0_24; | |
3254 | //biosB0[0x25] = psxBios_sys_b0_25; | |
3255 | //biosB0[0x26] = psxBios_sys_b0_26; | |
3256 | //biosB0[0x27] = psxBios_sys_b0_27; | |
3257 | //biosB0[0x28] = psxBios_sys_b0_28; | |
3258 | //biosB0[0x29] = psxBios_sys_b0_29; | |
3259 | //biosB0[0x2a] = psxBios_sys_b0_2a; | |
3260 | //biosB0[0x2b] = psxBios_sys_b0_2b; | |
3261 | //biosB0[0x2c] = psxBios_sys_b0_2c; | |
3262 | //biosB0[0x2d] = psxBios_sys_b0_2d; | |
3263 | //biosB0[0x2e] = psxBios_sys_b0_2e; | |
3264 | //biosB0[0x2f] = psxBios_sys_b0_2f; | |
3265 | //biosB0[0x30] = psxBios_sys_b0_30; | |
3266 | //biosB0[0x31] = psxBios_sys_b0_31; | |
3267 | biosB0[0x32] = psxBios_open; | |
3268 | biosB0[0x33] = psxBios_lseek; | |
3269 | biosB0[0x34] = psxBios_read; | |
3270 | biosB0[0x35] = psxBios_write; | |
3271 | biosB0[0x36] = psxBios_close; | |
3272 | //biosB0[0x37] = psxBios_ioctl; | |
3273 | //biosB0[0x38] = psxBios_exit; | |
3274 | //biosB0[0x39] = psxBios_sys_b0_39; | |
3275 | //biosB0[0x3a] = psxBios_getc; | |
3276 | //biosB0[0x3b] = psxBios_putc; | |
3277 | biosB0[0x3c] = psxBios_getchar; | |
3278 | //biosB0[0x3e] = psxBios_gets; | |
3279 | //biosB0[0x40] = psxBios_cd; | |
e7e1f572 | 3280 | biosB0[0x41] = psxBios_format; |
ef79bbde P |
3281 | biosB0[0x42] = psxBios_firstfile; |
3282 | biosB0[0x43] = psxBios_nextfile; | |
3283 | biosB0[0x44] = psxBios_rename; | |
3284 | biosB0[0x45] = psxBios_delete; | |
3285 | //biosB0[0x46] = psxBios_undelete; | |
3286 | //biosB0[0x47] = psxBios_AddDevice; | |
3287 | //biosB0[0x48] = psxBios_RemoteDevice; | |
3288 | //biosB0[0x49] = psxBios_PrintInstalledDevices; | |
3289 | biosB0[0x4a] = psxBios_InitCARD; | |
3290 | biosB0[0x4b] = psxBios_StartCARD; | |
3291 | biosB0[0x4c] = psxBios_StopCARD; | |
3292 | //biosB0[0x4d] = psxBios_sys_b0_4d; | |
3293 | biosB0[0x4e] = psxBios__card_write; | |
3294 | biosB0[0x4f] = psxBios__card_read; | |
3295 | biosB0[0x50] = psxBios__new_card; | |
3296 | biosB0[0x51] = psxBios_Krom2RawAdd; | |
3297 | //biosB0[0x52] = psxBios_sys_b0_52; | |
3298 | //biosB0[0x53] = psxBios_sys_b0_53; | |
3299 | //biosB0[0x54] = psxBios__get_errno; | |
002b2f7d | 3300 | biosB0[0x55] = psxBios__get_error; |
ef79bbde P |
3301 | biosB0[0x56] = psxBios_GetC0Table; |
3302 | biosB0[0x57] = psxBios_GetB0Table; | |
e9fda093 | 3303 | biosB0[0x58] = psxBios__card_chan; |
ef79bbde P |
3304 | //biosB0[0x59] = psxBios_sys_b0_59; |
3305 | //biosB0[0x5a] = psxBios_sys_b0_5a; | |
3306 | biosB0[0x5b] = psxBios_ChangeClearPad; | |
21af3ff6 | 3307 | biosB0[0x5c] = psxBios__card_status; |
5f652aa9 | 3308 | biosB0[0x5d] = psxBios__card_wait; |
ef79bbde | 3309 | //*******************C0 CALLS**************************** |
7650b754 | 3310 | biosC0[0x00] = psxBios_InitRCnt; |
3311 | biosC0[0x01] = psxBios_InitException; | |
ef79bbde P |
3312 | biosC0[0x02] = psxBios_SysEnqIntRP; |
3313 | biosC0[0x03] = psxBios_SysDeqIntRP; | |
3314 | //biosC0[0x04] = psxBios_get_free_EvCB_slot; | |
3315 | //biosC0[0x05] = psxBios_get_free_TCB_slot; | |
3316 | //biosC0[0x06] = psxBios_ExceptionHandler; | |
3317 | //biosC0[0x07] = psxBios_InstallExeptionHandler; | |
7650b754 | 3318 | biosC0[0x08] = psxBios_SysInitMemory; |
ef79bbde | 3319 | //biosC0[0x09] = psxBios_SysInitKMem; |
7a8d521f | 3320 | biosC0[0x0a] = psxBios_ChangeClearRCnt; |
ef79bbde | 3321 | //biosC0[0x0b] = psxBios_SystemError; |
7650b754 | 3322 | biosC0[0x0c] = psxBios_InitDefInt; |
ef79bbde P |
3323 | //biosC0[0x0d] = psxBios_sys_c0_0d; |
3324 | //biosC0[0x0e] = psxBios_sys_c0_0e; | |
3325 | //biosC0[0x0f] = psxBios_sys_c0_0f; | |
3326 | //biosC0[0x10] = psxBios_sys_c0_10; | |
3327 | //biosC0[0x11] = psxBios_sys_c0_11; | |
3328 | //biosC0[0x12] = psxBios_InstallDevices; | |
3329 | //biosC0[0x13] = psxBios_FlushStfInOutPut; | |
3330 | //biosC0[0x14] = psxBios_sys_c0_14; | |
3331 | //biosC0[0x15] = psxBios__cdevinput; | |
3332 | //biosC0[0x16] = psxBios__cdevscan; | |
3333 | //biosC0[0x17] = psxBios__circgetc; | |
3334 | //biosC0[0x18] = psxBios__circputc; | |
3335 | //biosC0[0x19] = psxBios_ioabort; | |
3336 | //biosC0[0x1a] = psxBios_sys_c0_1a | |
3337 | //biosC0[0x1b] = psxBios_KernelRedirect; | |
3338 | //biosC0[0x1c] = psxBios_PatchAOTable; | |
3339 | //************** THE END *************************************** | |
3340 | /**/ | |
3341 | base = 0x1000; | |
3342 | size = sizeof(EvCB) * 32; | |
7a8d521f | 3343 | EventCB = (void *)&psxR[base]; base += size * 6; |
3344 | memset(EventCB, 0, size * 6); | |
3345 | HwEV = EventCB; | |
3346 | EvEV = EventCB + 32; | |
3347 | RcEV = EventCB + 32 * 2; | |
3348 | UeEV = EventCB + 32 * 3; | |
3349 | SwEV = EventCB + 32 * 4; | |
3350 | ThEV = EventCB + 32 * 5; | |
ef79bbde | 3351 | |
832f0c3c | 3352 | pad_stopped = 1; |
c62b43c9 | 3353 | pad_buf = NULL; |
3354 | pad_buf1 = NULL; | |
3355 | pad_buf2 = NULL; | |
3356 | pad_buf1len = pad_buf2len = 0; | |
3357 | heap_addr = NULL; | |
3358 | heap_end = NULL; | |
26b964b5 | 3359 | heap_size = 0; |
c62b43c9 | 3360 | CardState = -1; |
3361 | CurThread = 0; | |
3362 | memset(FDesc, 0, sizeof(FDesc)); | |
832f0c3c | 3363 | card_active_chan = 0; |
c62b43c9 | 3364 | |
ef79bbde P |
3365 | // initial RNG seed |
3366 | psxMu32ref(0x9010) = SWAPu32(0xac20cc00); | |
3367 | ||
3368 | // fonts | |
3369 | len = 0x80000 - 0x66000; | |
3370 | uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); | |
3371 | len = 0x80000 - 0x69d68; | |
3372 | uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f)); | |
3373 | ||
3374 | // memory size 2 MB | |
3375 | psxHu32ref(0x1060) = SWAPu32(0x00000b88); | |
3376 | ||
bf643fd9 | 3377 | /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers. |
3378 | See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information. | |
339cc5b6 | 3379 | Here are some examples of games not working with this fix in place : |
3380 | R-type won't get past the Irem logo if not implemented. | |
3381 | Crash Team Racing will softlock after the Sony logo. | |
bf643fd9 | 3382 | */ |
7a8d521f | 3383 | |
dc4fa8bc | 3384 | ram32 = (u32 *)psxM; |
3385 | ram32[0x0000/4] = SWAPu32(0x00000003); // lui $k0, 0 (overwritten by 3) | |
3386 | ram32[0x0004/4] = SWAPu32(0x275a0000 + A_EXCEPTION); // addiu $k0, $k0, 0xc80 | |
3387 | ram32[0x0008/4] = SWAPu32(0x03400008); // jr $k0 | |
3388 | ram32[0x000c/4] = SWAPu32(0x00000000); // nop | |
3389 | ||
3390 | ram32[0x0060/4] = SWAPu32(0x00000002); // ram size? | |
3391 | ram32[0x0068/4] = SWAPu32(0x000000ff); // unknown | |
3392 | ||
3393 | ram32[0x0080/4] = SWAPu32(0x3c1a0000); // lui $k0, 0 // exception vector | |
3394 | ram32[0x0084/4] = SWAPu32(0x275a0000 + A_EXCEPTION); // addiu $k0, $k0, 0xc80 | |
3395 | ram32[0x0088/4] = SWAPu32(0x03400008); // jr $k0 | |
3396 | ram32[0x008c/4] = SWAPu32(0x00000000); // nop | |
3397 | ||
3398 | ram32[0x00a0/4] = HLEOP(hleop_a0); | |
3399 | ram32[0x00b0/4] = HLEOP(hleop_b0); | |
3400 | ram32[0x00c0/4] = HLEOP(hleop_c0); | |
3401 | ||
7650b754 | 3402 | setup_tt(4, 16); |
dc4fa8bc | 3403 | |
3404 | ram32[0x6ee0/4] = SWAPu32(0x0000eff0); // DCB | |
3405 | strcpy((char *)&ram32[0xeff0/4], "bu"); | |
3406 | ||
3407 | // default exception handler chains | |
3408 | write_chain(&ram32[0x91e0/4], 0x91d0, 0xbfc050a4, 0xbfc04fbc); // chain0.e0 | |
3409 | write_chain(&ram32[0x91d0/4], 0x6da8, 0xbfc0506c, 0xbfc04dec); // chain0.e1 | |
3410 | write_chain(&ram32[0x6da8/4], 0, 0, 0x1a00); // chain0.e2 | |
3411 | write_chain(&ram32[0x6d88/4], 0x6d78, 0x19c8, 0x18bc); // chain1.e0 | |
3412 | write_chain(&ram32[0x6d78/4], 0x6d68, 0x1990, 0x1858); // chain1.e1 | |
3413 | write_chain(&ram32[0x6d68/4], 0x6d58, 0x1958, 0x17f4); // chain1.e2 | |
3414 | write_chain(&ram32[0x6d58/4], 0, 0x1920, 0x1794); // chain1.e3 | |
3415 | write_chain(&ram32[0x6d98/4], 0, 0, 0x2458); // chain3.e0 | |
3416 | ||
3417 | setup_mips_code(); | |
3418 | ||
3419 | // fill the api jumptables with fake entries as some games patch them | |
3420 | // (or rather the funcs listed there) | |
3421 | ptr = (u32 *)&psxM[A_A0_TABLE]; | |
3422 | for (i = 0; i < 256; i++) | |
3423 | ptr[i] = SWAP32(0x1000); | |
3424 | ||
3425 | ptr = (u32 *)&psxM[A_B0_TABLE]; | |
3426 | for (i = 0; i < 256; i++) | |
3427 | ptr[i] = SWAP32(0x2000); | |
3428 | // B(5b) is special because games patch (sometimes even jump to) | |
3429 | // code at fixed offsets from it, nocash lists offsets: | |
3430 | // patch: +3d8, +4dc, +594, +62c, +9c8, +1988 | |
3431 | // call: +7a0=4b70, +884=4c54, +894=4c64 | |
3432 | ptr[0x5b] = SWAP32(0x43d0); | |
3433 | ram32[0x4b70/4] = SWAP32(0x03e00008); // jr $ra | |
3434 | ram32[0x4c54/4] = SWAP32(0x03e00008); // jr $ra | |
3435 | ram32[0x4c64/4] = SWAP32(0x03e00008); // jr $ra | |
3436 | ||
3437 | ptr = (u32 *)&psxM[A_C0_TABLE]; | |
3438 | for (i = 0; i < 256/2; i++) | |
3439 | ptr[i] = SWAP32(0x3000); | |
3440 | ptr[6] = SWAP32(A_EXCEPTION); | |
3441 | ||
3442 | // more HLE traps | |
3443 | ram32[0x1000/4] = HLEOP(hleop_dummy); | |
3444 | ram32[0x2000/4] = HLEOP(hleop_dummy); | |
3445 | ram32[0x3000/4] = HLEOP(hleop_dummy); | |
3446 | ram32[0x4c54/4] = HLEOP(hleop_dummy); // for B12_InitPad? | |
3447 | ram32[0x8000/4] = HLEOP(hleop_execret); | |
3448 | ||
3449 | ram32[A_EEXIT_PTR/4] = SWAP32(A_EEXIT_DEF); | |
3450 | ram32[A_EXC_SP/4] = SWAP32(A_EXC_STACK); | |
3451 | ram32[A_RCNT_VBL_ACK/4 + 0] = SWAP32(1); | |
3452 | ram32[A_RCNT_VBL_ACK/4 + 1] = SWAP32(1); | |
3453 | ram32[A_RCNT_VBL_ACK/4 + 2] = SWAP32(1); | |
3454 | ram32[A_RCNT_VBL_ACK/4 + 3] = SWAP32(1); | |
ef79bbde P |
3455 | } |
3456 | ||
3457 | void psxBiosShutdown() { | |
3458 | } | |
3459 | ||
7650b754 | 3460 | void psxBiosCnfLoaded(u32 tcb_cnt, u32 evcb_cnt) { |
3461 | if (tcb_cnt != 4 || evcb_cnt != 16) | |
3462 | setup_tt(tcb_cnt, evcb_cnt); | |
dc4fa8bc | 3463 | } |
3464 | ||
ef79bbde P |
3465 | #define psxBios_PADpoll(pad) { \ |
3466 | PAD##pad##_startPoll(pad); \ | |
3467 | pad_buf##pad[0] = 0; \ | |
3468 | pad_buf##pad[1] = PAD##pad##_poll(0x42); \ | |
3469 | if (!(pad_buf##pad[1] & 0x0f)) { \ | |
3470 | bufcount = 32; \ | |
3471 | } else { \ | |
3472 | bufcount = (pad_buf##pad[1] & 0x0f) * 2; \ | |
3473 | } \ | |
3474 | PAD##pad##_poll(0); \ | |
3475 | i = 2; \ | |
3476 | while (bufcount--) { \ | |
3477 | pad_buf##pad[i++] = PAD##pad##_poll(0); \ | |
3478 | } \ | |
3479 | } | |
3480 | ||
dc4fa8bc | 3481 | static void biosPadHLE() { |
ef79bbde P |
3482 | int i, bufcount; |
3483 | ||
dc4fa8bc | 3484 | if (pad_buf != NULL) { |
3485 | u32 *buf = (u32*)pad_buf; | |
3486 | ||
3487 | PAD1_startPoll(1); | |
3488 | if (PAD1_poll(0x42) == 0x23) { | |
3489 | PAD1_poll(0); | |
3490 | *buf = PAD1_poll(0) << 8; | |
3491 | *buf |= PAD1_poll(0); | |
3492 | PAD1_poll(0); | |
3493 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); | |
3494 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); | |
3495 | } else { | |
3496 | PAD1_poll(0); | |
3497 | *buf = PAD1_poll(0) << 8; | |
3498 | *buf|= PAD1_poll(0); | |
3499 | } | |
ef79bbde | 3500 | |
dc4fa8bc | 3501 | PAD2_startPoll(2); |
3502 | if (PAD2_poll(0x42) == 0x23) { | |
3503 | PAD2_poll(0); | |
3504 | *buf |= PAD2_poll(0) << 24; | |
3505 | *buf |= PAD2_poll(0) << 16; | |
3506 | PAD2_poll(0); | |
3507 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); | |
3508 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); | |
3509 | } else { | |
3510 | PAD2_poll(0); | |
3511 | *buf |= PAD2_poll(0) << 24; | |
3512 | *buf |= PAD2_poll(0) << 16; | |
3513 | } | |
3514 | } | |
3515 | if (!pad_stopped) { | |
3516 | if (pad_buf1) { | |
3517 | psxBios_PADpoll(1); | |
3518 | } | |
ef79bbde | 3519 | |
dc4fa8bc | 3520 | if (pad_buf2) { |
3521 | psxBios_PADpoll(2); | |
3522 | } | |
3523 | } | |
3524 | } | |
3525 | ||
3526 | static void handle_chain_x_x_1(u32 enable, u32 irqbit) | |
3527 | { | |
3528 | use_cycles(10); | |
3529 | if (enable) { | |
3530 | psxHwWrite16(0x1f801070, ~(1u << irqbit)); | |
3531 | psxBios_ReturnFromException(); | |
3532 | } | |
3533 | else | |
3534 | pc0 = ra; | |
3535 | } | |
ef79bbde | 3536 | |
dc4fa8bc | 3537 | // hleExc0_{0,1}* are usually removed by A(56)/A(72) on the game's startup, |
3538 | // so this is only partially implemented | |
3539 | void hleExc0_0_1() // A(93h) - CdromDmaIrqFunc2 | |
3540 | { | |
3541 | u32 cdrom_dma_ack_enable = 1; // a000b93c | |
3542 | handle_chain_x_x_1(cdrom_dma_ack_enable, 3); // IRQ3 DMA | |
3543 | } | |
ef79bbde | 3544 | |
dc4fa8bc | 3545 | void hleExc0_0_2() // A(91h) - CdromDmaIrqFunc1 |
3546 | { | |
3547 | u32 ret = 0; | |
3548 | //PSXBIOS_LOG("%s\n", __func__); | |
ef79bbde | 3549 | |
dc4fa8bc | 3550 | if (psxHu32(0x1074) & psxHu32(0x1070) & 8) { // IRQ3 DMA |
3551 | psxHwWrite32(0x1f8010f4, (psxHu32(0x10f4) & 0xffffff) | 0x88000000); | |
3552 | //if (--cdrom_irq_counter == 0) // 0xa0009180 | |
3553 | // DeliverEvent(); // 0xf0000003, 0x10 | |
3554 | use_cycles(22); | |
3555 | ret = 1; | |
3556 | } | |
3557 | mips_return_c(ret, 20); | |
3558 | } | |
ef79bbde | 3559 | |
dc4fa8bc | 3560 | void hleExc0_1_1() // A(92h) - CdromIoIrqFunc2 |
3561 | { | |
3562 | u32 cdrom_irq_ack_enable = 1; // a000b938 | |
3563 | handle_chain_x_x_1(cdrom_irq_ack_enable, 2); // IRQ2 cdrom | |
3564 | } | |
ef79bbde | 3565 | |
dc4fa8bc | 3566 | void hleExc0_1_2() // A(90h) - CdromIoIrqFunc1 |
3567 | { | |
3568 | u32 ret = 0; | |
3569 | if (psxHu32(0x1074) & psxHu32(0x1070) & 4) { // IRQ2 cdrom | |
3570 | PSXBIOS_LOG("%s TODO\n", __func__); | |
3571 | ret = 1; | |
3572 | } | |
3573 | mips_return_c(ret, 20); | |
3574 | } | |
ef79bbde | 3575 | |
dc4fa8bc | 3576 | void hleExc0_2_2_syscall() // not in any A/B/C table |
3577 | { | |
3578 | u32 code = (psxRegs.CP0.n.Cause & 0x3c) >> 2; | |
3579 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
3580 | TCB *tcb = loadRam32ptr(tcbPtr); | |
3581 | ||
3582 | if (code != R3000E_Syscall) { | |
3583 | if (code != 0) { | |
3584 | // DeliverEvent(); // 0xf0000010, 0x1000 | |
3585 | psxBios_SystemErrorUnresolvedException(); | |
ef79bbde | 3586 | } |
dc4fa8bc | 3587 | mips_return_c(0, 17); |
3588 | return; | |
ef79bbde P |
3589 | } |
3590 | ||
dc4fa8bc | 3591 | //printf("%s c=%d a0=%d\n", __func__, code, a0); |
3592 | tcb->epc += SWAP32(4); | |
3593 | switch (a0) { | |
3594 | case 0: // noop | |
3595 | break; | |
ef79bbde | 3596 | |
dc4fa8bc | 3597 | case 1: { // EnterCritical - disable irqs |
3598 | u32 was_enabled = ((SWAP32(tcb->sr) & 0x404) == 0x404); | |
3599 | tcb->reg[2] = SWAP32(was_enabled); | |
3600 | tcb->sr &= SWAP32(~0x404); | |
3601 | break; | |
3602 | } | |
3603 | case 2: // ExitCritical - enable irqs | |
3604 | tcb->sr |= SWAP32(0x404); | |
3605 | break; | |
3606 | ||
3607 | case 3: { // ChangeThreadSubFunction | |
3608 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
3609 | storeRam32(tcbPtr, a1); | |
3610 | break; | |
ef79bbde | 3611 | } |
dc4fa8bc | 3612 | default: |
3613 | // DeliverEvent(); // 0xf0000010, 0x4000 | |
3614 | break; | |
ef79bbde | 3615 | } |
dc4fa8bc | 3616 | use_cycles(30); |
3617 | psxBios_ReturnFromException(); | |
ef79bbde P |
3618 | } |
3619 | ||
dc4fa8bc | 3620 | void hleExc1_0_1(void) |
3621 | { | |
3622 | u32 vbl_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x0c); // 860c | |
3623 | handle_chain_x_x_1(vbl_irq_ack_enable, 0); // IRQ0 vblank | |
3624 | } | |
ef79bbde | 3625 | |
dc4fa8bc | 3626 | static void handle_chain_1_x_2(u32 ev_index, u32 irqbit) |
3627 | { | |
3628 | u32 ret = 0; | |
3629 | if (psxHu32(0x1074) & psxHu32(0x1070) & (1u << irqbit)) { | |
3630 | // DeliverEvent 0xf2000000 + ev_index, 2 | |
3631 | if (RcEV[ev_index][1].status == EvStACTIVE) { | |
3632 | softCall(RcEV[ev_index][1].fhandler); | |
3633 | } | |
3634 | ret = 1; | |
3635 | } | |
3636 | mips_return_c(ret, 22); | |
3637 | } | |
ef79bbde | 3638 | |
dc4fa8bc | 3639 | void hleExc1_0_2(void) |
3640 | { | |
3641 | handle_chain_1_x_2(3, 0); // IRQ0 vblank | |
3642 | } | |
ef79bbde | 3643 | |
dc4fa8bc | 3644 | void hleExc1_1_1(void) |
3645 | { | |
3646 | u32 rcnt_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x08); // 8608 | |
3647 | handle_chain_x_x_1(rcnt_irq_ack_enable, 6); // IRQ6 rcnt2 | |
3648 | } | |
ef79bbde | 3649 | |
dc4fa8bc | 3650 | void hleExc1_1_2(void) |
3651 | { | |
3652 | handle_chain_1_x_2(2, 6); // IRQ6 rcnt2 | |
3653 | } | |
ef79bbde | 3654 | |
dc4fa8bc | 3655 | void hleExc1_2_1(void) |
3656 | { | |
3657 | u32 rcnt_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x04); // 8604 | |
3658 | handle_chain_x_x_1(rcnt_irq_ack_enable, 5); // IRQ5 rcnt1 | |
3659 | } | |
ef79bbde | 3660 | |
dc4fa8bc | 3661 | void hleExc1_2_2(void) |
3662 | { | |
3663 | handle_chain_1_x_2(1, 5); // IRQ5 rcnt1 | |
3664 | } | |
ef79bbde | 3665 | |
dc4fa8bc | 3666 | void hleExc1_3_1(void) |
3667 | { | |
3668 | u32 rcnt_irq_ack_enable = loadRam32(A_RCNT_VBL_ACK + 0x00); // 8600 | |
3669 | handle_chain_x_x_1(rcnt_irq_ack_enable, 4); // IRQ4 rcnt0 | |
3670 | } | |
ef79bbde | 3671 | |
dc4fa8bc | 3672 | void hleExc1_3_2(void) |
3673 | { | |
3674 | handle_chain_1_x_2(0, 4); // IRQ4 rcnt0 | |
3675 | } | |
ef79bbde | 3676 | |
dc4fa8bc | 3677 | void hleExc3_0_2_defint(void) |
3678 | { | |
3679 | static const struct { | |
3680 | u8 ev, irqbit; | |
3681 | } tab[] = { | |
3682 | { 3, 2 }, // cdrom | |
3683 | { 9, 9 }, // spu | |
3684 | { 2, 1 }, // gpu | |
3685 | { 10, 10 }, // io | |
3686 | { 11, 8 }, // sio | |
3687 | { 1, 0 }, // vbl | |
3688 | { 5, 4 }, // rcnt0 | |
3689 | { 6, 5 }, // rcnt1 | |
3690 | { 6, 6 }, // rcnt2 (bug) | |
3691 | { 8, 7 }, // sio rx | |
3692 | { 4, 3 }, // sio | |
3693 | }; | |
3694 | size_t i; | |
3695 | for (i = 0; i < sizeof(tab) / sizeof(tab[0]); i++) { | |
3696 | if (psxHu32(0x1074) & psxHu32(0x1070) & (1u << tab[i].irqbit)) { | |
3697 | // DeliverEvent 0xf0000000 + ev, 0x1000 | |
3698 | use_cycles(7); | |
3699 | } | |
ef79bbde | 3700 | |
dc4fa8bc | 3701 | } |
3702 | mips_return_c(0, 11 + 7*11 + 7*11 + 12); | |
3703 | } | |
ef79bbde | 3704 | |
dc4fa8bc | 3705 | void psxBiosException() { |
3706 | u32 tcbPtr = loadRam32(A_TT_PCB); | |
3707 | u32 *chains = loadRam32ptr(A_TT_ExCB); | |
3708 | TCB *tcb = loadRam32ptr(tcbPtr); | |
3709 | u32 ptr, *chain; | |
3710 | int c, lim; | |
3711 | int i; | |
ef79bbde | 3712 | |
dc4fa8bc | 3713 | // save the regs |
3714 | // $at, $v0, $v1 already saved by the mips code at A_EXCEPTION | |
3715 | for (i = 4; i < 32; i++) { | |
3716 | if (i == 26) // $k0 | |
3717 | continue; | |
3718 | tcb->reg[i] = SWAP32(psxRegs.GPR.r[i]); | |
3719 | } | |
3720 | tcb->lo = SWAP32(psxRegs.GPR.n.lo); | |
3721 | tcb->hi = SWAP32(psxRegs.GPR.n.hi); | |
3722 | tcb->epc = SWAP32(psxRegs.CP0.n.EPC); | |
3723 | tcb->sr = SWAP32(psxRegs.CP0.n.SR); | |
3724 | tcb->cause = SWAP32(psxRegs.CP0.n.Cause); | |
3725 | sp = fp = loadRam32(A_EXC_SP); | |
3726 | gp = A_EXC_GP; | |
3727 | use_cycles(46); | |
3728 | ||
3729 | // do the chains (always 4) | |
3730 | for (c = lim = 0; c < 4; c++) { | |
3731 | if (chains[c * 2] == 0) | |
3732 | continue; | |
3733 | ptr = SWAP32(chains[c * 2]); | |
3734 | for (; ptr && lim < 100; ptr = SWAP32(chain[0])) { | |
3735 | chain = castRam32ptr(ptr); | |
3736 | use_cycles(14); | |
3737 | lim++; | |
3738 | if (chain[2] == 0) | |
3739 | continue; | |
3740 | softCallInException(SWAP32(chain[2])); | |
3741 | if (returned_from_exception()) | |
3742 | return; | |
ef79bbde | 3743 | |
dc4fa8bc | 3744 | if (v0 == 0 || chain[1] == 0) |
3745 | continue; | |
3746 | softCallInException(SWAP32(chain[1])); | |
3747 | if (returned_from_exception()) | |
3748 | return; | |
3749 | } | |
ef79bbde | 3750 | } |
dc4fa8bc | 3751 | assert(lim < 100); |
ef79bbde | 3752 | |
dc4fa8bc | 3753 | // TODO make this a chain entry |
3754 | if (psxHu32(0x1070) & 1) | |
3755 | biosPadHLE(); | |
ef79bbde | 3756 | |
dc4fa8bc | 3757 | // return from exception (custom or default) |
3758 | use_cycles(23); | |
3759 | ptr = loadRam32(A_EEXIT_PTR); | |
3760 | if (ptr != A_EEXIT_DEF) { | |
3761 | const struct jmp_buf_ *jmp_buf = castRam32ptr(ptr); | |
3762 | longjmp_load(jmp_buf); | |
3763 | v0 = 1; | |
3764 | pc0 = ra; | |
3765 | return; | |
3766 | } | |
3767 | psxBios_ReturnFromException(); | |
ef79bbde P |
3768 | } |
3769 | ||
3770 | #define bfreeze(ptr, size) { \ | |
3771 | if (Mode == 1) memcpy(&psxR[base], ptr, size); \ | |
3772 | if (Mode == 0) memcpy(ptr, &psxR[base], size); \ | |
3773 | base += size; \ | |
3774 | } | |
3775 | ||
3776 | #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) | |
3777 | #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) | |
3778 | ||
3779 | #define bfreezepsxMptr(ptr, type) { \ | |
3780 | if (Mode == 1) { \ | |
3781 | if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ | |
3782 | else psxRu32ref(base) = 0; \ | |
3783 | } else { \ | |
3784 | if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ | |
3785 | else (ptr) = NULL; \ | |
3786 | } \ | |
3787 | base += sizeof(u32); \ | |
3788 | } | |
3789 | ||
3790 | void psxBiosFreeze(int Mode) { | |
3791 | u32 base = 0x40000; | |
3792 | ||
ef79bbde P |
3793 | bfreezepsxMptr(pad_buf, int); |
3794 | bfreezepsxMptr(pad_buf1, char); | |
3795 | bfreezepsxMptr(pad_buf2, char); | |
3796 | bfreezepsxMptr(heap_addr, u32); | |
3797 | bfreezel(&pad_buf1len); | |
3798 | bfreezel(&pad_buf2len); | |
3799 | bfreezes(regs); | |
ef79bbde | 3800 | bfreezel(&CardState); |
ef79bbde P |
3801 | bfreezel(&CurThread); |
3802 | bfreezes(FDesc); | |
e9fda093 | 3803 | bfreezel(&card_active_chan); |
a15f3544 | 3804 | bfreezel(&pad_stopped); |
17b2d969 | 3805 | bfreezel(&heap_size); |
ef79bbde | 3806 | } |