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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 | ||
8254b5a7 | 21 | /* Gameblabla 2018-2019 : |
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" |
496d88d4 | 36 | #include <zlib.h> |
ef79bbde | 37 | |
3cf51e08 | 38 | #if (defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__) |
39 | #pragma GCC diagnostic ignored "-Wpointer-sign" | |
40 | #endif | |
41 | ||
452b85f9 | 42 | #undef SysPrintf |
43 | #define SysPrintf if (Config.PsxOut) printf | |
44 | ||
ef79bbde P |
45 | char *biosA0n[256] = { |
46 | // 0x00 | |
47 | "open", "lseek", "read", "write", | |
48 | "close", "ioctl", "exit", "sys_a0_07", | |
49 | "getc", "putc", "todigit", "atof", | |
50 | "strtoul", "strtol", "abs", "labs", | |
51 | // 0x10 | |
52 | "atoi", "atol", "atob", "setjmp", | |
53 | "longjmp", "strcat", "strncat", "strcmp", | |
54 | "strncmp", "strcpy", "strncpy", "strlen", | |
55 | "index", "rindex", "strchr", "strrchr", | |
56 | // 0x20 | |
57 | "strpbrk", "strspn", "strcspn", "strtok", | |
58 | "strstr", "toupper", "tolower", "bcopy", | |
59 | "bzero", "bcmp", "memcpy", "memset", | |
60 | "memmove", "memcmp", "memchr", "rand", | |
61 | // 0x30 | |
62 | "srand", "qsort", "strtod", "malloc", | |
63 | "free", "lsearch", "bsearch", "calloc", | |
64 | "realloc", "InitHeap", "_exit", "getchar", | |
65 | "putchar", "gets", "puts", "printf", | |
66 | // 0x40 | |
67 | "sys_a0_40", "LoadTest", "Load", "Exec", | |
68 | "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", | |
69 | "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", | |
70 | "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", | |
71 | // 0x50 | |
72 | "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", | |
73 | "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", | |
74 | "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", | |
75 | "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", | |
76 | // 0x60 | |
77 | "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", | |
78 | "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", | |
79 | "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", | |
80 | "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", | |
81 | // 0x70 | |
82 | "_bu_init", "_96_init", "_96_remove", "sys_a0_73", | |
83 | "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", | |
84 | "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", | |
85 | "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", | |
86 | // 0x80 | |
87 | "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", | |
88 | "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", | |
89 | "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", | |
90 | "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", | |
91 | // 0x90 | |
92 | "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", | |
93 | "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", | |
94 | "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", | |
95 | "SetConf", "GetConf", "sys_a0_9e", "SetMem", | |
96 | // 0xa0 | |
97 | "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", | |
98 | "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", | |
99 | "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", | |
100 | "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", | |
101 | // 0xb0 | |
102 | "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", | |
103 | "?? sub_function", | |
104 | }; | |
105 | ||
106 | char *biosB0n[256] = { | |
107 | // 0x00 | |
108 | "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", | |
109 | "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", | |
110 | "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", | |
111 | "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", | |
112 | // 0x10 | |
113 | "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", | |
114 | "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", | |
115 | "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", | |
116 | "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", | |
117 | // 0x20 | |
118 | "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", | |
119 | "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", | |
120 | "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", | |
121 | "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", | |
122 | // 0x30 | |
123 | "sys_b0_30", "sys_b0_31", "open", "lseek", | |
124 | "read", "write", "close", "ioctl", | |
125 | "exit", "sys_b0_39", "getc", "putc", | |
126 | "getchar", "putchar", "gets", "puts", | |
127 | // 0x40 | |
128 | "cd", "format", "firstfile", "nextfile", | |
129 | "rename", "delete", "undelete", "AddDevice", | |
130 | "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", | |
131 | "StopCARD", "sys_b0_4d", "_card_write", "_card_read", | |
132 | // 0x50 | |
133 | "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", | |
134 | "_get_errno", "_get_error", "GetC0Table", "GetB0Table", | |
135 | "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", | |
136 | "_card_status", "_card_wait", | |
137 | }; | |
138 | ||
139 | char *biosC0n[256] = { | |
140 | // 0x00 | |
141 | "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", | |
142 | "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", | |
143 | "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", | |
144 | "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", | |
145 | // 0x10 | |
146 | "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", | |
147 | "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", | |
148 | "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", | |
149 | "PatchAOTable", | |
150 | }; | |
151 | ||
152 | //#define r0 (psxRegs.GPR.n.r0) | |
153 | #define at (psxRegs.GPR.n.at) | |
154 | #define v0 (psxRegs.GPR.n.v0) | |
155 | #define v1 (psxRegs.GPR.n.v1) | |
156 | #define a0 (psxRegs.GPR.n.a0) | |
157 | #define a1 (psxRegs.GPR.n.a1) | |
158 | #define a2 (psxRegs.GPR.n.a2) | |
159 | #define a3 (psxRegs.GPR.n.a3) | |
160 | #define t0 (psxRegs.GPR.n.t0) | |
161 | #define t1 (psxRegs.GPR.n.t1) | |
162 | #define t2 (psxRegs.GPR.n.t2) | |
163 | #define t3 (psxRegs.GPR.n.t3) | |
164 | #define t4 (psxRegs.GPR.n.t4) | |
165 | #define t5 (psxRegs.GPR.n.t5) | |
166 | #define t6 (psxRegs.GPR.n.t6) | |
167 | #define t7 (psxRegs.GPR.n.t7) | |
168 | #define t8 (psxRegs.GPR.n.t8) | |
169 | #define t9 (psxRegs.GPR.n.t9) | |
170 | #define s0 (psxRegs.GPR.n.s0) | |
171 | #define s1 (psxRegs.GPR.n.s1) | |
172 | #define s2 (psxRegs.GPR.n.s2) | |
173 | #define s3 (psxRegs.GPR.n.s3) | |
174 | #define s4 (psxRegs.GPR.n.s4) | |
175 | #define s5 (psxRegs.GPR.n.s5) | |
176 | #define s6 (psxRegs.GPR.n.s6) | |
177 | #define s7 (psxRegs.GPR.n.s7) | |
178 | #define k0 (psxRegs.GPR.n.k0) | |
179 | #define k1 (psxRegs.GPR.n.k1) | |
180 | #define gp (psxRegs.GPR.n.gp) | |
181 | #define sp (psxRegs.GPR.n.sp) | |
182 | #define fp (psxRegs.GPR.n.s8) | |
183 | #define ra (psxRegs.GPR.n.ra) | |
184 | #define pc0 (psxRegs.pc) | |
185 | ||
186 | #define Ra0 ((char *)PSXM(a0)) | |
187 | #define Ra1 ((char *)PSXM(a1)) | |
188 | #define Ra2 ((char *)PSXM(a2)) | |
189 | #define Ra3 ((char *)PSXM(a3)) | |
190 | #define Rv0 ((char *)PSXM(v0)) | |
191 | #define Rsp ((char *)PSXM(sp)) | |
192 | ||
193 | typedef struct { | |
194 | u32 desc; | |
195 | s32 status; | |
196 | s32 mode; | |
197 | u32 fhandler; | |
198 | } EvCB[32]; | |
199 | ||
200 | #define EvStUNUSED 0x0000 | |
201 | #define EvStWAIT 0x1000 | |
202 | #define EvStACTIVE 0x2000 | |
203 | #define EvStALREADY 0x4000 | |
204 | ||
205 | #define EvMdINTR 0x1000 | |
206 | #define EvMdNOINTR 0x2000 | |
207 | ||
208 | /* | |
209 | typedef struct { | |
210 | s32 next; | |
211 | s32 func1; | |
212 | s32 func2; | |
213 | s32 pad; | |
214 | } SysRPst; | |
215 | */ | |
216 | ||
217 | typedef struct { | |
218 | s32 status; | |
219 | s32 mode; | |
220 | u32 reg[32]; | |
221 | u32 func; | |
222 | } TCB; | |
223 | ||
224 | typedef struct { | |
225 | u32 _pc0; | |
226 | u32 gp0; | |
227 | u32 t_addr; | |
228 | u32 t_size; | |
229 | u32 d_addr; | |
230 | u32 d_size; | |
231 | u32 b_addr; | |
232 | u32 b_size; | |
233 | u32 S_addr; | |
234 | u32 s_size; | |
235 | u32 _sp, _fp, _gp, ret, base; | |
236 | } EXEC; | |
237 | ||
238 | struct DIRENTRY { | |
239 | char name[20]; | |
240 | s32 attr; | |
241 | s32 size; | |
242 | u32 next; | |
243 | s32 head; | |
244 | char system[4]; | |
245 | }; | |
246 | ||
247 | typedef struct { | |
248 | char name[32]; | |
249 | u32 mode; | |
250 | u32 offset; | |
251 | u32 size; | |
252 | u32 mcfile; | |
253 | } FileDesc; | |
254 | ||
255 | static u32 *jmp_int = NULL; | |
256 | static int *pad_buf = NULL; | |
257 | static char *pad_buf1 = NULL, *pad_buf2 = NULL; | |
258 | static int pad_buf1len, pad_buf2len; | |
f25c285b | 259 | static int pad_stopped = 0; |
ef79bbde P |
260 | |
261 | static u32 regs[35]; | |
262 | static EvCB *Event; | |
263 | static EvCB *HwEV; // 0xf0 | |
264 | static EvCB *EvEV; // 0xf1 | |
265 | static EvCB *RcEV; // 0xf2 | |
266 | static EvCB *UeEV; // 0xf3 | |
267 | static EvCB *SwEV; // 0xf4 | |
268 | static EvCB *ThEV; // 0xff | |
26b964b5 | 269 | static u32 heap_size = 0; |
ef79bbde P |
270 | static u32 *heap_addr = NULL; |
271 | static u32 *heap_end = NULL; | |
272 | static u32 SysIntRP[8]; | |
273 | static int CardState = -1; | |
274 | static TCB Thread[8]; | |
275 | static int CurThread = 0; | |
276 | static FileDesc FDesc[32]; | |
e9fda093 | 277 | static u32 card_active_chan; |
ef79bbde P |
278 | |
279 | boolean hleSoftCall = FALSE; | |
280 | ||
281 | static inline void softCall(u32 pc) { | |
282 | pc0 = pc; | |
283 | ra = 0x80001000; | |
284 | ||
285 | hleSoftCall = TRUE; | |
286 | ||
287 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); | |
288 | ||
289 | hleSoftCall = FALSE; | |
290 | } | |
291 | ||
292 | static inline void softCall2(u32 pc) { | |
293 | u32 sra = ra; | |
294 | pc0 = pc; | |
295 | ra = 0x80001000; | |
296 | ||
297 | hleSoftCall = TRUE; | |
298 | ||
299 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); | |
300 | ra = sra; | |
301 | ||
302 | hleSoftCall = FALSE; | |
303 | } | |
304 | ||
305 | static inline void DeliverEvent(u32 ev, u32 spec) { | |
306 | if (Event[ev][spec].status != EvStACTIVE) return; | |
307 | ||
308 | // Event[ev][spec].status = EvStALREADY; | |
309 | if (Event[ev][spec].mode == EvMdINTR) { | |
310 | softCall2(Event[ev][spec].fhandler); | |
311 | } else Event[ev][spec].status = EvStALREADY; | |
312 | } | |
313 | ||
f23c2241 | 314 | static unsigned interrupt_r26=0x8004E8B0; |
315 | ||
ef79bbde P |
316 | static inline void SaveRegs() { |
317 | memcpy(regs, psxRegs.GPR.r, 32*4); | |
318 | regs[32] = psxRegs.GPR.n.lo; | |
319 | regs[33] = psxRegs.GPR.n.hi; | |
320 | regs[34] = psxRegs.pc; | |
321 | } | |
322 | ||
323 | static inline void LoadRegs() { | |
324 | memcpy(psxRegs.GPR.r, regs, 32*4); | |
325 | psxRegs.GPR.n.lo = regs[32]; | |
326 | psxRegs.GPR.n.hi = regs[33]; | |
327 | } | |
328 | ||
329 | /* * | |
330 | // * | |
331 | // * | |
332 | // System calls A0 */ | |
333 | ||
d99f6068 | 334 | |
335 | #define buread(Ra1, mcd, length) { \ | |
336 | 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); \ | |
337 | ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
338 | memcpy(Ra1, ptr, length); \ | |
f1514614 | 339 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
d99f6068 | 340 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
341 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
f1514614 | 342 | v0 = 0; } \ |
d99f6068 | 343 | else v0 = length; \ |
344 | FDesc[1 + mcd].offset += v0; \ | |
345 | } | |
346 | ||
347 | #define buwrite(Ra1, mcd, length) { \ | |
348 | u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
349 | SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ | |
350 | ptr = Mcd##mcd##Data + offset; \ | |
351 | memcpy(ptr, Ra1, length); \ | |
f1514614 | 352 | FDesc[1 + mcd].offset += length; \ |
e49ac7a5 | 353 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \ |
f1514614 | 354 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
d99f6068 | 355 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
356 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
f1514614 | 357 | v0 = 0; } \ |
d99f6068 | 358 | else v0 = length; \ |
359 | } | |
360 | ||
361 | ||
324cec89 | 362 | /* Internally redirects to "FileRead(fd,tempbuf,1)".*/ |
363 | /* For some strange reason, the returned character is sign-expanded; */ | |
364 | /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */ | |
365 | /* TODO FIX ME : Properly implement this behaviour */ | |
366 | void psxBios_getc(void) // 0x03, 0x35 | |
367 | { | |
d99f6068 | 368 | char *ptr; |
324cec89 | 369 | void *pa1 = Ra1; |
370 | #ifdef PSXBIOS_LOG | |
371 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]); | |
372 | #endif | |
373 | v0 = -1; | |
374 | ||
375 | if (pa1) { | |
376 | switch (a0) { | |
377 | case 2: buread(pa1, 1, 1); break; | |
378 | case 3: buread(pa1, 2, 1); break; | |
379 | } | |
380 | } | |
381 | ||
382 | pc0 = ra; | |
383 | } | |
384 | ||
385 | /* Copy of psxBios_write, except size is 1. */ | |
386 | void psxBios_putc(void) // 0x09, 0x3B | |
387 | { | |
d99f6068 | 388 | char *ptr; |
324cec89 | 389 | void *pa1 = Ra1; |
390 | #ifdef PSXBIOS_LOG | |
391 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]); | |
392 | #endif | |
393 | v0 = -1; | |
394 | if (!pa1) { | |
395 | pc0 = ra; | |
396 | return; | |
397 | } | |
398 | ||
399 | if (a0 == 1) { // stdout | |
400 | char *ptr = (char *)pa1; | |
401 | ||
402 | v0 = a2; | |
403 | while (a2 > 0) { | |
404 | printf("%c", *ptr++); a2--; | |
405 | } | |
406 | pc0 = ra; return; | |
407 | } | |
408 | ||
409 | switch (a0) { | |
410 | case 2: buwrite(pa1, 1, 1); break; | |
411 | case 3: buwrite(pa1, 2, 1); break; | |
412 | } | |
413 | ||
414 | pc0 = ra; | |
415 | } | |
ef79bbde | 416 | |
ba11675c | 417 | void psxBios_todigit(void) // 0x0a |
418 | { | |
419 | int c = a0; | |
420 | #ifdef PSXBIOS_LOG | |
421 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]); | |
422 | #endif | |
423 | c &= 0xFF; | |
424 | if (c >= 0x30 && c < 0x3A) { | |
425 | c -= 0x30; | |
426 | } | |
427 | else if (c > 0x60 && c < 0x7B) { | |
428 | c -= 0x20; | |
429 | } | |
430 | else if (c > 0x40 && c < 0x5B) { | |
431 | c = c - 0x41 + 10; | |
432 | } | |
433 | else if (c >= 0x80) { | |
434 | c = -1; | |
435 | } | |
436 | else | |
437 | { | |
438 | c = 0x0098967F; | |
439 | } | |
440 | v0 = c; | |
441 | pc0 = ra; | |
442 | } | |
443 | ||
ef79bbde P |
444 | void psxBios_abs() { // 0x0e |
445 | if ((s32)a0 < 0) v0 = -(s32)a0; | |
446 | else v0 = a0; | |
447 | pc0 = ra; | |
448 | } | |
449 | ||
450 | void psxBios_labs() { // 0x0f | |
451 | psxBios_abs(); | |
452 | } | |
453 | ||
454 | void psxBios_atoi() { // 0x10 | |
455 | s32 n = 0, f = 0; | |
456 | char *p = (char *)Ra0; | |
457 | ||
458 | for (;;p++) { | |
459 | switch (*p) { | |
460 | case ' ': case '\t': continue; | |
461 | case '-': f++; | |
462 | case '+': p++; | |
463 | } | |
464 | break; | |
465 | } | |
466 | ||
467 | while (*p >= '0' && *p <= '9') { | |
468 | n = n * 10 + *p++ - '0'; | |
469 | } | |
470 | ||
471 | v0 = (f ? -n : n); | |
472 | pc0 = ra; | |
473 | } | |
474 | ||
475 | void psxBios_atol() { // 0x11 | |
476 | psxBios_atoi(); | |
477 | } | |
478 | ||
479 | void psxBios_setjmp() { // 0x13 | |
480 | u32 *jmp_buf = (u32 *)Ra0; | |
481 | int i; | |
482 | ||
483 | #ifdef PSXBIOS_LOG | |
484 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]); | |
485 | #endif | |
486 | ||
487 | jmp_buf[0] = ra; | |
488 | jmp_buf[1] = sp; | |
489 | jmp_buf[2] = fp; | |
490 | for (i = 0; i < 8; i++) // s0-s7 | |
491 | jmp_buf[3 + i] = psxRegs.GPR.r[16 + i]; | |
492 | jmp_buf[11] = gp; | |
493 | ||
494 | v0 = 0; pc0 = ra; | |
495 | } | |
496 | ||
497 | void psxBios_longjmp() { // 0x14 | |
498 | u32 *jmp_buf = (u32 *)Ra0; | |
499 | int i; | |
500 | ||
501 | #ifdef PSXBIOS_LOG | |
502 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); | |
503 | #endif | |
504 | ||
505 | ra = jmp_buf[0]; /* ra */ | |
506 | sp = jmp_buf[1]; /* sp */ | |
507 | fp = jmp_buf[2]; /* fp */ | |
508 | for (i = 0; i < 8; i++) // s0-s7 | |
509 | psxRegs.GPR.r[16 + i] = jmp_buf[3 + i]; | |
510 | gp = jmp_buf[11]; /* gp */ | |
511 | ||
512 | v0 = a1; pc0 = ra; | |
513 | } | |
514 | ||
515 | void psxBios_strcat() { // 0x15 | |
516 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
517 | ||
518 | #ifdef PSXBIOS_LOG | |
519 | PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); | |
520 | #endif | |
bee52312 | 521 | if (a0 == 0 || a1 == 0) |
522 | { | |
523 | v0 = 0; | |
524 | pc0 = ra; | |
525 | return; | |
526 | } | |
ef79bbde P |
527 | while (*p1++); |
528 | --p1; | |
529 | while ((*p1++ = *p2++) != '\0'); | |
530 | ||
531 | v0 = a0; pc0 = ra; | |
532 | } | |
533 | ||
534 | void psxBios_strncat() { // 0x16 | |
535 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
536 | s32 n = a2; | |
537 | ||
538 | #ifdef PSXBIOS_LOG | |
539 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); | |
540 | #endif | |
f42e1e90 | 541 | if (a0 == 0 || a1 == 0) |
542 | { | |
543 | v0 = 0; | |
544 | pc0 = ra; | |
545 | return; | |
546 | } | |
ef79bbde P |
547 | while (*p1++); |
548 | --p1; | |
549 | while ((*p1++ = *p2++) != '\0') { | |
550 | if (--n < 0) { | |
551 | *--p1 = '\0'; | |
552 | break; | |
553 | } | |
554 | } | |
555 | ||
556 | v0 = a0; pc0 = ra; | |
557 | } | |
558 | ||
559 | void psxBios_strcmp() { // 0x17 | |
560 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
c044e3e5 | 561 | s32 n=0; |
562 | if (a0 == 0 && a1 == 0) | |
563 | { | |
564 | v0 = 0; | |
565 | pc0 = ra; | |
566 | return; | |
567 | } | |
568 | else if (a0 == 0 && a1 != 0) | |
569 | { | |
570 | v0 = -1; | |
571 | pc0 = ra; | |
572 | return; | |
573 | } | |
574 | else if (a0 != 0 && a1 == 0) | |
575 | { | |
576 | v0 = 1; | |
577 | pc0 = ra; | |
578 | return; | |
579 | } | |
ef79bbde P |
580 | #ifdef PSXBIOS_LOG |
581 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); | |
582 | #endif | |
583 | ||
584 | while (*p1 == *p2++) { | |
c044e3e5 | 585 | n++; |
ef79bbde | 586 | if (*p1++ == '\0') { |
c044e3e5 | 587 | v1=n-1; |
588 | a0+=n; | |
589 | a1+=n; | |
ef79bbde P |
590 | v0 = 0; |
591 | pc0 = ra; | |
592 | return; | |
593 | } | |
594 | } | |
595 | ||
596 | v0 = (*p1 - *--p2); | |
c044e3e5 | 597 | v1 = n; |
598 | a0+=n; | |
599 | a1+=n; | |
ef79bbde P |
600 | pc0 = ra; |
601 | } | |
602 | ||
603 | void psxBios_strncmp() { // 0x18 | |
604 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
605 | s32 n = a2; | |
ba4ecb8c | 606 | if (a0 == 0 && a1 == 0) |
607 | { | |
608 | v0 = 0; | |
609 | pc0 = ra; | |
610 | return; | |
611 | } | |
612 | else if (a0 == 0 && a1 != 0) | |
613 | { | |
614 | v0 = -1; | |
615 | pc0 = ra; | |
616 | return; | |
617 | } | |
618 | else if (a0 != 0 && a1 == 0) | |
619 | { | |
620 | v0 = 1; | |
621 | pc0 = ra; | |
622 | return; | |
623 | } | |
ef79bbde P |
624 | #ifdef PSXBIOS_LOG |
625 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); | |
626 | #endif | |
627 | ||
628 | while (--n >= 0 && *p1 == *p2++) { | |
629 | if (*p1++ == '\0') { | |
630 | v0 = 0; | |
631 | pc0 = ra; | |
ba4ecb8c | 632 | v1 = a2 - ((a2-n) - 1); |
633 | a0 += (a2-n) - 1; | |
634 | a1 += (a2-n) - 1; | |
635 | a2 = n; | |
ef79bbde P |
636 | return; |
637 | } | |
638 | } | |
639 | ||
640 | v0 = (n < 0 ? 0 : *p1 - *--p2); | |
641 | pc0 = ra; | |
ba4ecb8c | 642 | v1 = a2 - ((a2-n) - 1); |
643 | a0 += (a2-n) - 1; | |
644 | a1 += (a2-n) - 1; | |
645 | a2 = n; | |
ef79bbde P |
646 | } |
647 | ||
648 | void psxBios_strcpy() { // 0x19 | |
649 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
c3d791f1 | 650 | if (a0 == 0 || a1 == 0) |
651 | { | |
652 | v0 = 0; | |
653 | pc0 = ra; | |
654 | return; | |
655 | } | |
ef79bbde P |
656 | while ((*p1++ = *p2++) != '\0'); |
657 | ||
658 | v0 = a0; pc0 = ra; | |
659 | } | |
660 | ||
661 | void psxBios_strncpy() { // 0x1a | |
662 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
663 | s32 n = a2, i; | |
c3d791f1 | 664 | if (a0 == 0 || a1 == 0) |
665 | { | |
666 | v0 = 0; | |
667 | pc0 = ra; | |
668 | return; | |
669 | } | |
ef79bbde P |
670 | for (i = 0; i < n; i++) { |
671 | if ((*p1++ = *p2++) == '\0') { | |
672 | while (++i < n) { | |
673 | *p1++ = '\0'; | |
674 | } | |
675 | v0 = a0; pc0 = ra; | |
676 | return; | |
677 | } | |
678 | } | |
679 | ||
680 | v0 = a0; pc0 = ra; | |
681 | } | |
682 | ||
683 | void psxBios_strlen() { // 0x1b | |
684 | char *p = (char *)Ra0; | |
685 | v0 = 0; | |
2c6a5df8 | 686 | if (a0 == 0) |
687 | { | |
688 | pc0 = ra; | |
689 | return; | |
690 | } | |
ef79bbde P |
691 | while (*p++) v0++; |
692 | pc0 = ra; | |
693 | } | |
694 | ||
695 | void psxBios_index() { // 0x1c | |
696 | char *p = (char *)Ra0; | |
fcf7ec6c | 697 | if (a0 == 0) |
698 | { | |
699 | v0 = 0; | |
700 | pc0 = ra; | |
701 | return; | |
702 | } | |
703 | ||
ef79bbde P |
704 | do { |
705 | if (*p == a1) { | |
706 | v0 = a0 + (p - (char *)Ra0); | |
707 | pc0 = ra; | |
708 | return; | |
709 | } | |
710 | } while (*p++ != '\0'); | |
711 | ||
712 | v0 = 0; pc0 = ra; | |
713 | } | |
714 | ||
715 | void psxBios_rindex() { // 0x1d | |
716 | char *p = (char *)Ra0; | |
717 | ||
718 | v0 = 0; | |
fcf7ec6c | 719 | if (a0 == 0) |
720 | { | |
721 | pc0 = ra; | |
722 | return; | |
723 | } | |
ef79bbde P |
724 | do { |
725 | if (*p == a1) | |
726 | v0 = a0 + (p - (char *)Ra0); | |
727 | } while (*p++ != '\0'); | |
728 | ||
729 | pc0 = ra; | |
730 | } | |
731 | ||
732 | void psxBios_strchr() { // 0x1e | |
733 | psxBios_index(); | |
734 | } | |
735 | ||
736 | void psxBios_strrchr() { // 0x1f | |
737 | psxBios_rindex(); | |
738 | } | |
739 | ||
740 | void psxBios_strpbrk() { // 0x20 | |
741 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; | |
742 | ||
743 | while ((c = *p1++) != '\0') { | |
744 | for (scanp = p2; (sc = *scanp++) != '\0';) { | |
745 | if (sc == c) { | |
746 | v0 = a0 + (p1 - 1 - (char *)Ra0); | |
747 | pc0 = ra; | |
748 | return; | |
749 | } | |
750 | } | |
751 | } | |
752 | ||
753 | // BUG: return a0 instead of NULL if not found | |
754 | v0 = a0; pc0 = ra; | |
755 | } | |
756 | ||
757 | void psxBios_strspn() { // 0x21 | |
758 | char *p1, *p2; | |
759 | ||
760 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
761 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
762 | if (*p2 == '\0') break; | |
763 | } | |
764 | ||
765 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
766 | } | |
767 | ||
768 | void psxBios_strcspn() { // 0x22 | |
769 | char *p1, *p2; | |
770 | ||
771 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
772 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
773 | if (*p2 != '\0') break; | |
774 | } | |
775 | ||
776 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
777 | } | |
778 | ||
779 | void psxBios_strtok() { // 0x23 | |
780 | char *pcA0 = (char *)Ra0; | |
781 | char *pcRet = strtok(pcA0, (char *)Ra1); | |
782 | if (pcRet) | |
783 | v0 = a0 + pcRet - pcA0; | |
784 | else | |
785 | v0 = 0; | |
786 | pc0 = ra; | |
787 | } | |
788 | ||
789 | void psxBios_strstr() { // 0x24 | |
790 | char *p = (char *)Ra0, *p1, *p2; | |
791 | ||
792 | while (*p != '\0') { | |
793 | p1 = p; | |
794 | p2 = (char *)Ra1; | |
795 | ||
796 | while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { | |
797 | p1++; p2++; | |
798 | } | |
799 | ||
800 | if (*p2 == '\0') { | |
801 | v0 = a0 + (p - (char *)Ra0); | |
802 | pc0 = ra; | |
803 | return; | |
804 | } | |
805 | ||
806 | p++; | |
807 | } | |
808 | ||
809 | v0 = 0; pc0 = ra; | |
810 | } | |
811 | ||
812 | void psxBios_toupper() { // 0x25 | |
813 | v0 = (s8)(a0 & 0xff); | |
814 | if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; | |
815 | pc0 = ra; | |
816 | } | |
817 | ||
818 | void psxBios_tolower() { // 0x26 | |
819 | v0 = (s8)(a0 & 0xff); | |
820 | if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; | |
821 | pc0 = ra; | |
822 | } | |
823 | ||
824 | void psxBios_bcopy() { // 0x27 | |
825 | char *p1 = (char *)Ra1, *p2 = (char *)Ra0; | |
0148ffb7 | 826 | v0 = a0; |
827 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
828 | { | |
829 | pc0 = ra; | |
830 | return; | |
831 | } | |
5ec7acdf | 832 | while ((s32)a2-- > 0) *p1++ = *p2++; |
0148ffb7 | 833 | a2 = 0; |
ef79bbde P |
834 | pc0 = ra; |
835 | } | |
836 | ||
837 | void psxBios_bzero() { // 0x28 | |
838 | char *p = (char *)Ra0; | |
01724d23 | 839 | v0 = a0; |
840 | /* Same as memset here (See memset below) */ | |
841 | if (a1 > 0x7FFFFFFF || a1 == 0) | |
842 | { | |
843 | v0 = 0; | |
844 | pc0 = ra; | |
845 | return; | |
846 | } | |
847 | else if (a0 == 0) | |
848 | { | |
849 | pc0 = ra; | |
850 | return; | |
851 | } | |
5ec7acdf | 852 | while ((s32)a1-- > 0) *p++ = '\0'; |
01724d23 | 853 | a1 = 0; |
ef79bbde P |
854 | pc0 = ra; |
855 | } | |
856 | ||
857 | void psxBios_bcmp() { // 0x29 | |
858 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
859 | ||
860 | if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } | |
861 | ||
5ec7acdf | 862 | while ((s32)a2-- > 0) { |
ef79bbde P |
863 | if (*p1++ != *p2++) { |
864 | v0 = *p1 - *p2; // BUG: compare the NEXT byte | |
865 | pc0 = ra; | |
866 | return; | |
867 | } | |
868 | } | |
869 | ||
870 | v0 = 0; pc0 = ra; | |
871 | } | |
872 | ||
873 | void psxBios_memcpy() { // 0x2a | |
874 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
ef1da3dc | 875 | v0 = a0; |
876 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
877 | { | |
878 | pc0 = ra; | |
879 | return; | |
880 | } | |
881 | while ((s32)a2-- > 0) { | |
ef1da3dc | 882 | *p1++ = *p2++; |
883 | } | |
884 | a2 = 0; | |
885 | pc0 = ra; | |
ef79bbde P |
886 | } |
887 | ||
888 | void psxBios_memset() { // 0x2b | |
889 | char *p = (char *)Ra0; | |
3f28b64f | 890 | v0 = a0; |
891 | if (a2 > 0x7FFFFFFF || a2 == 0) | |
892 | { | |
893 | v0 = 0; | |
894 | pc0 = ra; | |
895 | return; | |
896 | } | |
897 | if (a0 == 0) | |
898 | { | |
899 | pc0 = ra; | |
900 | return; | |
901 | } | |
5ec7acdf | 902 | while ((s32)a2-- > 0) *p++ = (char)a1; |
5ec7acdf | 903 | a2 = 0; |
ef79bbde P |
904 | v0 = a0; pc0 = ra; |
905 | } | |
906 | ||
907 | void psxBios_memmove() { // 0x2c | |
908 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
112dddf5 | 909 | v0 = a0; |
910 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
911 | { | |
912 | pc0 = ra; | |
913 | return; | |
914 | } | |
ef79bbde P |
915 | if (p2 <= p1 && p2 + a2 > p1) { |
916 | a2++; // BUG: copy one more byte here | |
917 | p1 += a2; | |
918 | p2 += a2; | |
5ec7acdf | 919 | while ((s32)a2-- > 0) *--p1 = *--p2; |
ef79bbde | 920 | } else { |
5ec7acdf | 921 | while ((s32)a2-- > 0) *p1++ = *p2++; |
ef79bbde | 922 | } |
112dddf5 | 923 | pc0 = ra; |
ef79bbde P |
924 | } |
925 | ||
926 | void psxBios_memcmp() { // 0x2d | |
927 | psxBios_bcmp(); | |
928 | } | |
929 | ||
930 | void psxBios_memchr() { // 0x2e | |
931 | char *p = (char *)Ra0; | |
0f598f20 | 932 | |
933 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
934 | { | |
935 | pc0 = ra; | |
936 | return; | |
937 | } | |
ef79bbde | 938 | |
5ec7acdf | 939 | while ((s32)a2-- > 0) { |
ef79bbde P |
940 | if (*p++ != (s8)a1) continue; |
941 | v0 = a0 + (p - (char *)Ra0 - 1); | |
942 | pc0 = ra; | |
943 | return; | |
944 | } | |
945 | ||
946 | v0 = 0; pc0 = ra; | |
947 | } | |
948 | ||
949 | void psxBios_rand() { // 0x2f | |
950 | u32 s = psxMu32(0x9010) * 1103515245 + 12345; | |
951 | v0 = (s >> 16) & 0x7fff; | |
952 | psxMu32ref(0x9010) = SWAPu32(s); | |
953 | pc0 = ra; | |
954 | } | |
955 | ||
956 | void psxBios_srand() { // 0x30 | |
957 | psxMu32ref(0x9010) = SWAPu32(a0); | |
958 | pc0 = ra; | |
959 | } | |
960 | ||
961 | static u32 qscmpfunc, qswidth; | |
962 | ||
963 | static inline int qscmp(char *a, char *b) { | |
964 | u32 sa0 = a0; | |
965 | ||
966 | a0 = sa0 + (a - (char *)PSXM(sa0)); | |
967 | a1 = sa0 + (b - (char *)PSXM(sa0)); | |
968 | ||
969 | softCall2(qscmpfunc); | |
970 | ||
971 | a0 = sa0; | |
972 | return (s32)v0; | |
973 | } | |
974 | ||
975 | static inline void qexchange(char *i, char *j) { | |
976 | char t; | |
977 | int n = qswidth; | |
978 | ||
979 | do { | |
980 | t = *i; | |
981 | *i++ = *j; | |
982 | *j++ = t; | |
983 | } while (--n); | |
984 | } | |
985 | ||
986 | static inline void q3exchange(char *i, char *j, char *k) { | |
987 | char t; | |
988 | int n = qswidth; | |
989 | ||
990 | do { | |
991 | t = *i; | |
992 | *i++ = *k; | |
993 | *k++ = *j; | |
994 | *j++ = t; | |
995 | } while (--n); | |
996 | } | |
997 | ||
998 | static void qsort_main(char *a, char *l) { | |
999 | char *i, *j, *lp, *hp; | |
1000 | int c; | |
1001 | unsigned int n; | |
1002 | ||
1003 | start: | |
1004 | if ((n = l - a) <= qswidth) | |
1005 | return; | |
1006 | n = qswidth * (n / (2 * qswidth)); | |
1007 | hp = lp = a + n; | |
1008 | i = a; | |
1009 | j = l - qswidth; | |
1010 | while (TRUE) { | |
1011 | if (i < lp) { | |
1012 | if ((c = qscmp(i, lp)) == 0) { | |
1013 | qexchange(i, lp -= qswidth); | |
1014 | continue; | |
1015 | } | |
1016 | if (c < 0) { | |
1017 | i += qswidth; | |
1018 | continue; | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | loop: | |
1023 | if (j > hp) { | |
1024 | if ((c = qscmp(hp, j)) == 0) { | |
1025 | qexchange(hp += qswidth, j); | |
1026 | goto loop; | |
1027 | } | |
1028 | if (c > 0) { | |
1029 | if (i == lp) { | |
1030 | q3exchange(i, hp += qswidth, j); | |
1031 | i = lp += qswidth; | |
1032 | goto loop; | |
1033 | } | |
1034 | qexchange(i, j); | |
1035 | j -= qswidth; | |
1036 | i += qswidth; | |
1037 | continue; | |
1038 | } | |
1039 | j -= qswidth; | |
1040 | goto loop; | |
1041 | } | |
1042 | ||
1043 | if (i == lp) { | |
1044 | if (lp - a >= l - hp) { | |
1045 | qsort_main(hp + qswidth, l); | |
1046 | l = lp; | |
1047 | } else { | |
1048 | qsort_main(a, lp); | |
1049 | a = hp + qswidth; | |
1050 | } | |
1051 | goto start; | |
1052 | } | |
1053 | ||
1054 | q3exchange(j, lp -= qswidth, i); | |
1055 | j = hp -= qswidth; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | void psxBios_qsort() { // 0x31 | |
1060 | qswidth = a2; | |
1061 | qscmpfunc = a3; | |
1062 | qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); | |
1063 | ||
1064 | pc0 = ra; | |
1065 | } | |
1066 | ||
1067 | void psxBios_malloc() { // 0x33 | |
808a13bd | 1068 | unsigned int *chunk, *newchunk = NULL; |
1069 | unsigned int dsize = 0, csize, cstat; | |
ef79bbde P |
1070 | int colflag; |
1071 | #ifdef PSXBIOS_LOG | |
1072 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); | |
1073 | #endif | |
26b964b5 | 1074 | if (!a0 || (!heap_size || !heap_addr)) { |
1075 | v0 = 0; | |
1076 | pc0 = ra; | |
1077 | return; | |
1078 | } | |
ef79bbde P |
1079 | |
1080 | // scan through heap and combine free chunks of space | |
1081 | chunk = heap_addr; | |
1082 | colflag = 0; | |
1083 | while(chunk < heap_end) { | |
1084 | // get size and status of actual chunk | |
1085 | csize = ((u32)*chunk) & 0xfffffffc; | |
1086 | cstat = ((u32)*chunk) & 1; | |
1087 | ||
26b964b5 | 1088 | // most probably broken heap descriptor |
1089 | // this fixes Burning Road | |
1090 | if (*chunk == 0) { | |
1091 | newchunk = chunk; | |
1092 | dsize = ((uptr)heap_end - (uptr)chunk) - 4; | |
1093 | colflag = 1; | |
1094 | break; | |
1095 | } | |
1096 | ||
ef79bbde P |
1097 | // it's a free chunk |
1098 | if(cstat == 1) { | |
1099 | if(colflag == 0) { | |
1100 | newchunk = chunk; | |
1101 | dsize = csize; | |
1102 | colflag = 1; // let's begin a new collection of free memory | |
1103 | } | |
1104 | else dsize += (csize+4); // add the new size including header | |
1105 | } | |
1106 | // not a free chunk: did we start a collection ? | |
1107 | else { | |
1108 | if(colflag == 1) { // collection is over | |
1109 | colflag = 0; | |
1110 | *newchunk = SWAP32(dsize | 1); | |
1111 | } | |
1112 | } | |
1113 | ||
1114 | // next chunk | |
1115 | chunk = (u32*)((uptr)chunk + csize + 4); | |
1116 | } | |
1117 | // if neccessary free memory on end of heap | |
1118 | if (colflag == 1) | |
1119 | *newchunk = SWAP32(dsize | 1); | |
1120 | ||
1121 | chunk = heap_addr; | |
1122 | csize = ((u32)*chunk) & 0xfffffffc; | |
1123 | cstat = ((u32)*chunk) & 1; | |
1124 | dsize = (a0 + 3) & 0xfffffffc; | |
1125 | ||
1126 | // exit on uninitialized heap | |
1127 | if (chunk == NULL) { | |
26b964b5 | 1128 | printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); |
ef79bbde P |
1129 | v0 = 0; |
1130 | pc0 = ra; | |
1131 | return; | |
1132 | } | |
1133 | ||
1134 | // search an unused chunk that is big enough until the end of the heap | |
26b964b5 | 1135 | while ((dsize > csize || cstat==0) && chunk < heap_end ) { |
ef79bbde | 1136 | chunk = (u32*)((uptr)chunk + csize + 4); |
26b964b5 | 1137 | |
1138 | // catch out of memory | |
1139 | if(chunk >= heap_end) { | |
1140 | printf("malloc %x,%x: Out of memory error!\n", | |
1141 | v0, a0); | |
1142 | v0 = 0; pc0 = ra; | |
1143 | return; | |
1144 | } | |
1145 | ||
ef79bbde P |
1146 | csize = ((u32)*chunk) & 0xfffffffc; |
1147 | cstat = ((u32)*chunk) & 1; | |
1148 | } | |
1149 | ||
ef79bbde P |
1150 | // allocate memory |
1151 | if(dsize == csize) { | |
1152 | // chunk has same size | |
1153 | *chunk &= 0xfffffffc; | |
26b964b5 | 1154 | } else if (dsize > csize) { |
1155 | v0 = 0; pc0 = ra; | |
1156 | return; | |
1157 | } else { | |
ef79bbde P |
1158 | // split free chunk |
1159 | *chunk = SWAP32(dsize); | |
1160 | newchunk = (u32*)((uptr)chunk + dsize + 4); | |
808a13bd | 1161 | *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1); |
ef79bbde P |
1162 | } |
1163 | ||
1164 | // return pointer to allocated memory | |
26b964b5 | 1165 | v0 = ((uptr)chunk - (uptr)psxM) + 4; |
ef79bbde | 1166 | v0|= 0x80000000; |
26b964b5 | 1167 | //printf ("malloc %x,%x\n", v0, a0); |
ef79bbde P |
1168 | pc0 = ra; |
1169 | } | |
1170 | ||
1171 | void psxBios_free() { // 0x34 | |
1172 | ||
1173 | #ifdef PSXBIOS_LOG | |
1174 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); | |
1175 | #endif | |
1176 | ||
1177 | SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); | |
1178 | ||
ba4ecb8c | 1179 | if (a0) |
1180 | *(u32*)(Ra0-4) |= 1; // set chunk to free | |
ef79bbde P |
1181 | pc0 = ra; |
1182 | } | |
1183 | ||
1184 | void psxBios_calloc() { // 0x37 | |
02949f79 | 1185 | void *pv0; |
ef79bbde P |
1186 | #ifdef PSXBIOS_LOG |
1187 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); | |
1188 | #endif | |
1189 | ||
1190 | a0 = a0 * a1; | |
1191 | psxBios_malloc(); | |
02949f79 | 1192 | pv0 = Rv0; |
1193 | if (pv0) | |
1194 | memset(pv0, 0, a0); | |
ef79bbde P |
1195 | } |
1196 | ||
1197 | void psxBios_realloc() { // 0x38 | |
1198 | u32 block = a0; | |
1199 | u32 size = a1; | |
1200 | #ifdef PSXBIOS_LOG | |
1201 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); | |
1202 | #endif | |
1203 | ||
1204 | a0 = block; | |
391b1d5b | 1205 | /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */ |
1206 | if (block == 0) | |
1207 | { | |
1208 | psxBios_malloc(); | |
1209 | } | |
1210 | /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */ | |
1211 | else if (size == 0) | |
1212 | { | |
1213 | psxBios_free(); | |
1214 | } | |
1215 | /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */ | |
1216 | /* Note that it is not quite implemented this way here. */ | |
1217 | else | |
1218 | { | |
1219 | psxBios_free(); | |
1220 | a0 = size; | |
1221 | psxBios_malloc(); | |
1222 | } | |
ef79bbde P |
1223 | } |
1224 | ||
1225 | ||
1226 | /* InitHeap(void *block , int n) */ | |
1227 | void psxBios_InitHeap() { // 0x39 | |
1228 | unsigned int size; | |
1229 | ||
1230 | #ifdef PSXBIOS_LOG | |
1231 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); | |
1232 | #endif | |
1233 | ||
1234 | if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); | |
1235 | else size = a1; | |
1236 | ||
1237 | size &= 0xfffffffc; | |
1238 | ||
1239 | heap_addr = (u32 *)Ra0; | |
a85ffa0e | 1240 | heap_size = size; |
1241 | heap_end = (u32 *)((u8 *)heap_addr + heap_size); | |
1242 | /* HACKFIX: Commenting out this line fixes GTA2 crash */ | |
1243 | //*heap_addr = SWAP32(size | 1); | |
ef79bbde | 1244 | |
c979c3ee | 1245 | SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size); |
ef79bbde P |
1246 | |
1247 | pc0 = ra; | |
1248 | } | |
1249 | ||
1250 | void psxBios_getchar() { //0x3b | |
1251 | v0 = getchar(); pc0 = ra; | |
1252 | } | |
1253 | ||
1254 | void psxBios_printf() { // 0x3f | |
1255 | char tmp[1024]; | |
1256 | char tmp2[1024]; | |
1257 | u32 save[4]; | |
1258 | char *ptmp = tmp; | |
1259 | int n=1, i=0, j; | |
02949f79 | 1260 | void *psp; |
1261 | ||
1262 | psp = PSXM(sp); | |
1263 | if (psp) { | |
1264 | memcpy(save, psp, 4 * 4); | |
1265 | psxMu32ref(sp) = SWAP32((u32)a0); | |
1266 | psxMu32ref(sp + 4) = SWAP32((u32)a1); | |
1267 | psxMu32ref(sp + 8) = SWAP32((u32)a2); | |
1268 | psxMu32ref(sp + 12) = SWAP32((u32)a3); | |
1269 | } | |
ef79bbde P |
1270 | |
1271 | while (Ra0[i]) { | |
1272 | switch (Ra0[i]) { | |
1273 | case '%': | |
1274 | j = 0; | |
1275 | tmp2[j++] = '%'; | |
1276 | _start: | |
1277 | switch (Ra0[++i]) { | |
1278 | case '.': | |
1279 | case 'l': | |
1280 | tmp2[j++] = Ra0[i]; goto _start; | |
1281 | default: | |
1282 | if (Ra0[i] >= '0' && Ra0[i] <= '9') { | |
1283 | tmp2[j++] = Ra0[i]; | |
1284 | goto _start; | |
1285 | } | |
1286 | break; | |
1287 | } | |
1288 | tmp2[j++] = Ra0[i]; | |
1289 | tmp2[j] = 0; | |
1290 | ||
1291 | switch (Ra0[i]) { | |
1292 | case 'f': case 'F': | |
1293 | ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; | |
1294 | case 'a': case 'A': | |
1295 | case 'e': case 'E': | |
1296 | case 'g': case 'G': | |
1297 | ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; | |
1298 | case 'p': | |
888468ff | 1299 | case 'i': case 'u': |
ef79bbde P |
1300 | case 'd': case 'D': |
1301 | case 'o': case 'O': | |
1302 | case 'x': case 'X': | |
1303 | ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; | |
1304 | case 'c': | |
1305 | ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; | |
1306 | case 's': | |
1307 | ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; | |
1308 | case '%': | |
1309 | *ptmp++ = Ra0[i]; break; | |
1310 | } | |
1311 | i++; | |
1312 | break; | |
1313 | default: | |
1314 | *ptmp++ = Ra0[i++]; | |
1315 | } | |
1316 | } | |
1317 | *ptmp = 0; | |
1318 | ||
02949f79 | 1319 | if (psp) |
1320 | memcpy(psp, save, 4 * 4); | |
ef79bbde | 1321 | |
808a13bd | 1322 | SysPrintf("%s", tmp); |
ef79bbde P |
1323 | |
1324 | pc0 = ra; | |
1325 | } | |
1326 | ||
e7e1f572 | 1327 | void psxBios_format() { // 0x41 |
1328 | if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0') | |
1329 | { | |
1330 | CreateMcd(Config.Mcd1); | |
1331 | LoadMcd(1, Config.Mcd1); | |
1332 | v0 = 1; | |
1333 | } | |
1334 | else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0') | |
1335 | { | |
1336 | CreateMcd(Config.Mcd2); | |
1337 | LoadMcd(2, Config.Mcd2); | |
1338 | v0 = 1; | |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | v0 = 0; | |
1343 | } | |
1344 | pc0 = ra; | |
1345 | } | |
1346 | ||
ef79bbde P |
1347 | /* |
1348 | * long Load(char *name, struct EXEC *header); | |
1349 | */ | |
1350 | ||
1351 | void psxBios_Load() { // 0x42 | |
1352 | EXE_HEADER eheader; | |
02949f79 | 1353 | void *pa1; |
ef79bbde P |
1354 | |
1355 | #ifdef PSXBIOS_LOG | |
1356 | PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1); | |
1357 | #endif | |
1358 | ||
02949f79 | 1359 | pa1 = Ra1; |
1360 | if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) { | |
1361 | memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC)); | |
ef79bbde P |
1362 | v0 = 1; |
1363 | } else v0 = 0; | |
1364 | ||
1365 | pc0 = ra; | |
1366 | } | |
1367 | ||
1368 | /* | |
1369 | * int Exec(struct EXEC *header , int argc , char **argv); | |
1370 | */ | |
1371 | ||
1372 | void psxBios_Exec() { // 43 | |
1373 | EXEC *header = (EXEC*)Ra0; | |
1374 | u32 tmp; | |
1375 | ||
1376 | #ifdef PSXBIOS_LOG | |
1377 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); | |
1378 | #endif | |
1379 | ||
1380 | header->_sp = sp; | |
1381 | header->_fp = fp; | |
1382 | header->_sp = sp; | |
1383 | header->_gp = gp; | |
1384 | header->ret = ra; | |
1385 | header->base = s0; | |
1386 | ||
1387 | if (header->S_addr != 0) { | |
1388 | tmp = header->S_addr + header->s_size; | |
1389 | sp = tmp; | |
1390 | fp = sp; | |
1391 | } | |
1392 | ||
1393 | gp = header->gp0; | |
1394 | ||
1395 | s0 = a0; | |
1396 | ||
1397 | a0 = a1; | |
1398 | a1 = a2; | |
1399 | ||
1400 | ra = 0x8000; | |
1401 | pc0 = header->_pc0; | |
1402 | } | |
1403 | ||
1404 | void psxBios_FlushCache() { // 44 | |
1405 | #ifdef PSXBIOS_LOG | |
1406 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); | |
1407 | #endif | |
943a507a | 1408 | #ifdef ICACHE_EMULATION |
1409 | psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_ISOLATED, NULL); | |
1410 | psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); | |
1411 | #endif | |
ef79bbde P |
1412 | pc0 = ra; |
1413 | } | |
1414 | ||
1415 | void psxBios_GPU_dw() { // 0x46 | |
1416 | int size; | |
3a284665 | 1417 | u32 *ptr; |
ef79bbde P |
1418 | |
1419 | #ifdef PSXBIOS_LOG | |
1420 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); | |
1421 | #endif | |
1422 | ||
1423 | GPU_writeData(0xa0000000); | |
3a284665 | 1424 | GPU_writeData((a1<<0x10)|(a0&0xffff)); |
1425 | GPU_writeData((a3<<0x10)|(a2&0xffff)); | |
1426 | size = (a2*a3)/2; | |
1427 | ptr = (u32*)PSXM(Rsp[4]); //that is correct? | |
1428 | while(size--) | |
1429 | { | |
1430 | GPU_writeData(SWAPu32(*ptr++)); | |
1431 | } | |
ef79bbde P |
1432 | |
1433 | pc0 = ra; | |
1434 | } | |
1435 | ||
1436 | void psxBios_mem2vram() { // 0x47 | |
1437 | int size; | |
3a284665 | 1438 | gpuSyncPluginSR(); |
ef79bbde | 1439 | GPU_writeData(0xa0000000); |
3a284665 | 1440 | GPU_writeData((a1<<0x10)|(a0&0xffff)); |
1441 | GPU_writeData((a3<<0x10)|(a2&0xffff)); | |
1442 | size = ((((a2 * a3) / 2) >> 4) << 16); | |
ef79bbde P |
1443 | GPU_writeStatus(0x04000002); |
1444 | psxHwWrite32(0x1f8010f4,0); | |
1445 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1446 | psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... | |
3a284665 | 1447 | psxHwWrite32(0x1f8010a4, size | 0x10); |
ef79bbde P |
1448 | psxHwWrite32(0x1f8010a8,0x01000201); |
1449 | ||
1450 | pc0 = ra; | |
1451 | } | |
1452 | ||
1453 | void psxBios_SendGPU() { // 0x48 | |
1454 | GPU_writeStatus(a0); | |
ddbaf678 | 1455 | gpuSyncPluginSR(); |
ef79bbde P |
1456 | pc0 = ra; |
1457 | } | |
1458 | ||
1459 | void psxBios_GPU_cw() { // 0x49 | |
3a284665 | 1460 | gpuSyncPluginSR(); |
ef79bbde P |
1461 | GPU_writeData(a0); |
1462 | pc0 = ra; | |
3a284665 | 1463 | v0 = HW_GPU_STATUS; |
ef79bbde P |
1464 | } |
1465 | ||
1466 | void psxBios_GPU_cwb() { // 0x4a | |
3a284665 | 1467 | u32 *ptr = (u32*)Ra0; |
ef79bbde | 1468 | int size = a1; |
3a284665 | 1469 | gpuSyncPluginSR(); |
1470 | while(size--) | |
1471 | { | |
1472 | GPU_writeData(SWAPu32(*ptr++)); | |
ef79bbde P |
1473 | } |
1474 | ||
1475 | pc0 = ra; | |
1476 | } | |
1477 | ||
1478 | void psxBios_GPU_SendPackets() { //4b: | |
3a284665 | 1479 | gpuSyncPluginSR(); |
ef79bbde P |
1480 | GPU_writeStatus(0x04000002); |
1481 | psxHwWrite32(0x1f8010f4,0); | |
1482 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1483 | psxHwWrite32(0x1f8010a0,a0); | |
1484 | psxHwWrite32(0x1f8010a4,0); | |
1485 | psxHwWrite32(0x1f8010a8,0x010000401); | |
1486 | pc0 = ra; | |
1487 | } | |
1488 | ||
1489 | void psxBios_sys_a0_4c() { // 0x4c GPU relate | |
1490 | psxHwWrite32(0x1f8010a8,0x00000401); | |
1491 | GPU_writeData(0x0400000); | |
1492 | GPU_writeData(0x0200000); | |
1493 | GPU_writeData(0x0100000); | |
cd1ea245 | 1494 | v0 = 0x1f801814; |
ef79bbde P |
1495 | pc0 = ra; |
1496 | } | |
1497 | ||
1498 | void psxBios_GPU_GetGPUStatus() { // 0x4d | |
1499 | v0 = GPU_readStatus(); | |
1500 | pc0 = ra; | |
1501 | } | |
1502 | ||
1503 | #undef s_addr | |
1504 | ||
1505 | void psxBios_LoadExec() { // 51 | |
1506 | EXEC *header = (EXEC*)PSXM(0xf000); | |
1507 | u32 s_addr, s_size; | |
1508 | ||
1509 | #ifdef PSXBIOS_LOG | |
1510 | PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); | |
1511 | #endif | |
1512 | s_addr = a1; s_size = a2; | |
1513 | ||
1514 | a1 = 0xf000; | |
1515 | psxBios_Load(); | |
1516 | ||
1517 | header->S_addr = s_addr; | |
1518 | header->s_size = s_size; | |
1519 | ||
1520 | a0 = 0xf000; a1 = 0; a2 = 0; | |
1521 | psxBios_Exec(); | |
1522 | } | |
1523 | ||
1524 | void psxBios__bu_init() { // 70 | |
1525 | #ifdef PSXBIOS_LOG | |
1526 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); | |
1527 | #endif | |
1528 | ||
1529 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1530 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1531 | ||
1532 | pc0 = ra; | |
1533 | } | |
1534 | ||
1535 | void psxBios__96_init() { // 71 | |
1536 | #ifdef PSXBIOS_LOG | |
1537 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); | |
1538 | #endif | |
1539 | ||
1540 | pc0 = ra; | |
1541 | } | |
1542 | ||
1543 | void psxBios__96_remove() { // 72 | |
1544 | #ifdef PSXBIOS_LOG | |
1545 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); | |
1546 | #endif | |
1547 | ||
1548 | pc0 = ra; | |
1549 | } | |
1550 | ||
1551 | void psxBios_SetMem() { // 9f | |
1552 | u32 new = psxHu32(0x1060); | |
1553 | ||
1554 | #ifdef PSXBIOS_LOG | |
1555 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); | |
1556 | #endif | |
1557 | ||
1558 | switch(a0) { | |
1559 | case 2: | |
1560 | psxHu32ref(0x1060) = SWAP32(new); | |
1561 | psxMu32ref(0x060) = a0; | |
1562 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1563 | break; | |
1564 | ||
1565 | case 8: | |
1566 | psxHu32ref(0x1060) = SWAP32(new | 0x300); | |
1567 | psxMu32ref(0x060) = a0; | |
1568 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1569 | ||
1570 | default: | |
1571 | SysPrintf("Effective memory must be 2/8 MBytes\n"); | |
1572 | break; | |
1573 | } | |
1574 | ||
1575 | pc0 = ra; | |
1576 | } | |
1577 | ||
18dd7e9e | 1578 | /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */ |
1579 | void psxBios_get_cd_status(void) //a6 | |
1580 | { | |
1581 | v0 = 1; | |
1582 | pc0 = ra; | |
1583 | } | |
1584 | ||
ef79bbde P |
1585 | void psxBios__card_info() { // ab |
1586 | #ifdef PSXBIOS_LOG | |
1587 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); | |
1588 | #endif | |
76b81516 | 1589 | u32 ret; |
e9fda093 | 1590 | card_active_chan = a0; |
1591 | ||
76b81516 | 1592 | switch (card_active_chan) |
1593 | { | |
1594 | case 0x00: case 0x01: case 0x02: case 0x03: | |
1595 | ret = Config.Mcd1[0] ? 0x2 : 0x8; | |
1596 | break; | |
1597 | case 0x10: case 0x11: case 0x12: case 0x13: | |
1598 | ret = Config.Mcd2[0] ? 0x2 : 0x8; | |
1599 | break; | |
1600 | default: | |
1601 | #ifdef PSXBIOS_LOG | |
1602 | PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan); | |
1603 | #endif | |
1604 | ret = 0x11; | |
1605 | break; | |
1606 | } | |
1607 | ||
c2360853 | 1608 | DeliverEvent(0x11, 0x2); // 0xf4000001, 0x0004 |
76b81516 | 1609 | DeliverEvent(0x81, ret); // 0xf4000001, 0x0004 |
ef79bbde P |
1610 | v0 = 1; pc0 = ra; |
1611 | } | |
1612 | ||
1613 | void psxBios__card_load() { // ac | |
1614 | #ifdef PSXBIOS_LOG | |
1615 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); | |
1616 | #endif | |
1617 | ||
e9fda093 | 1618 | card_active_chan = a0; |
1619 | ||
ef79bbde P |
1620 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1621 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1622 | ||
1623 | v0 = 1; pc0 = ra; | |
1624 | } | |
1625 | ||
1626 | /* System calls B0 */ | |
1627 | ||
1628 | void psxBios_SetRCnt() { // 02 | |
1629 | #ifdef PSXBIOS_LOG | |
1630 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); | |
1631 | #endif | |
1632 | ||
1633 | a0&= 0x3; | |
1634 | if (a0 != 3) { | |
1635 | u32 mode=0; | |
1636 | ||
1637 | psxRcntWtarget(a0, a1); | |
1638 | if (a2&0x1000) mode|= 0x050; // Interrupt Mode | |
1639 | if (a2&0x0100) mode|= 0x008; // Count to 0xffff | |
1640 | if (a2&0x0010) mode|= 0x001; // Timer stop mode | |
1641 | if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode | |
1642 | else { if (a2&0x0001) mode|= 0x100; } // System Clock mode | |
1643 | ||
1644 | psxRcntWmode(a0, mode); | |
1645 | } | |
1646 | pc0 = ra; | |
1647 | } | |
1648 | ||
1649 | void psxBios_GetRCnt() { // 03 | |
1650 | #ifdef PSXBIOS_LOG | |
1651 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); | |
1652 | #endif | |
1653 | ||
1654 | a0&= 0x3; | |
1655 | if (a0 != 3) v0 = psxRcntRcount(a0); | |
1656 | else v0 = 0; | |
1657 | pc0 = ra; | |
1658 | } | |
1659 | ||
1660 | void psxBios_StartRCnt() { // 04 | |
1661 | #ifdef PSXBIOS_LOG | |
1662 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); | |
1663 | #endif | |
1664 | ||
1665 | a0&= 0x3; | |
1666 | if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); | |
1667 | else psxHu32ref(0x1074)|= SWAPu32(0x1); | |
1668 | v0 = 1; pc0 = ra; | |
1669 | } | |
1670 | ||
1671 | void psxBios_StopRCnt() { // 05 | |
1672 | #ifdef PSXBIOS_LOG | |
1673 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); | |
1674 | #endif | |
1675 | ||
1676 | a0&= 0x3; | |
1677 | if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); | |
1678 | else psxHu32ref(0x1074)&= SWAPu32(~0x1); | |
1679 | pc0 = ra; | |
1680 | } | |
1681 | ||
1682 | void psxBios_ResetRCnt() { // 06 | |
1683 | #ifdef PSXBIOS_LOG | |
1684 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); | |
1685 | #endif | |
1686 | ||
1687 | a0&= 0x3; | |
1688 | if (a0 != 3) { | |
1689 | psxRcntWmode(a0, 0); | |
1690 | psxRcntWtarget(a0, 0); | |
1691 | psxRcntWcount(a0, 0); | |
1692 | } | |
1693 | pc0 = ra; | |
1694 | } | |
1695 | ||
1696 | ||
1697 | /* gets ev for use with Event */ | |
1698 | #define GetEv() \ | |
1699 | ev = (a0 >> 24) & 0xf; \ | |
1700 | if (ev == 0xf) ev = 0x5; \ | |
1701 | ev*= 32; \ | |
1702 | ev+= a0&0x1f; | |
1703 | ||
1704 | /* gets spec for use with Event */ | |
1705 | #define GetSpec() \ | |
1706 | spec = 0; \ | |
1707 | switch (a1) { \ | |
1708 | case 0x0301: spec = 16; break; \ | |
1709 | case 0x0302: spec = 17; break; \ | |
1710 | default: \ | |
1711 | for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ | |
1712 | break; \ | |
1713 | } | |
1714 | ||
1715 | void psxBios_DeliverEvent() { // 07 | |
1716 | int ev, spec; | |
1717 | int i; | |
1718 | ||
1719 | GetEv(); | |
1720 | GetSpec(); | |
1721 | ||
1722 | #ifdef PSXBIOS_LOG | |
1723 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); | |
1724 | #endif | |
1725 | ||
1726 | DeliverEvent(ev, spec); | |
1727 | ||
1728 | pc0 = ra; | |
1729 | } | |
1730 | ||
1731 | void psxBios_OpenEvent() { // 08 | |
1732 | int ev, spec; | |
1733 | int i; | |
1734 | ||
1735 | GetEv(); | |
1736 | GetSpec(); | |
1737 | ||
1738 | #ifdef PSXBIOS_LOG | |
1739 | PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); | |
1740 | #endif | |
1741 | ||
1742 | Event[ev][spec].status = EvStWAIT; | |
1743 | Event[ev][spec].mode = a2; | |
1744 | Event[ev][spec].fhandler = a3; | |
1745 | ||
1746 | v0 = ev | (spec << 8); | |
1747 | pc0 = ra; | |
1748 | } | |
1749 | ||
1750 | void psxBios_CloseEvent() { // 09 | |
1751 | int ev, spec; | |
1752 | ||
1753 | ev = a0 & 0xff; | |
1754 | spec = (a0 >> 8) & 0xff; | |
1755 | ||
1756 | #ifdef PSXBIOS_LOG | |
1757 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); | |
1758 | #endif | |
1759 | ||
1760 | Event[ev][spec].status = EvStUNUSED; | |
1761 | ||
1762 | v0 = 1; pc0 = ra; | |
1763 | } | |
1764 | ||
1765 | void psxBios_WaitEvent() { // 0a | |
1766 | int ev, spec; | |
1767 | ||
1768 | ev = a0 & 0xff; | |
1769 | spec = (a0 >> 8) & 0xff; | |
ef79bbde P |
1770 | #ifdef PSXBIOS_LOG |
1771 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); | |
1772 | #endif | |
d95c9dcb | 1773 | if (Event[ev][spec].status == EvStUNUSED) |
1774 | { | |
1775 | v0 = 0; | |
1776 | pc0 = ra; | |
1777 | return; | |
1778 | } | |
ef79bbde | 1779 | |
d95c9dcb | 1780 | if (Event[ev][spec].status == EvStALREADY) |
1781 | { | |
1782 | /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */ | |
1783 | if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE; | |
1784 | v0 = 1; | |
1785 | pc0 = ra; | |
1786 | return; | |
1787 | } | |
ef79bbde | 1788 | |
d95c9dcb | 1789 | v0 = 0; |
1790 | pc0 = ra; | |
ef79bbde P |
1791 | } |
1792 | ||
1793 | void psxBios_TestEvent() { // 0b | |
1794 | int ev, spec; | |
1795 | ||
1796 | ev = a0 & 0xff; | |
1797 | spec = (a0 >> 8) & 0xff; | |
1798 | ||
b4ae2532 | 1799 | if (Event[ev][spec].status == EvStALREADY) |
1800 | { | |
1801 | if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE; | |
1802 | v0 = 1; | |
1803 | } | |
1804 | else | |
1805 | { | |
1806 | v0 = 0; | |
1807 | } | |
ef79bbde P |
1808 | |
1809 | #ifdef PSXBIOS_LOG | |
1810 | PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); | |
1811 | #endif | |
1812 | ||
1813 | pc0 = ra; | |
1814 | } | |
1815 | ||
1816 | void psxBios_EnableEvent() { // 0c | |
1817 | int ev, spec; | |
1818 | ||
1819 | ev = a0 & 0xff; | |
1820 | spec = (a0 >> 8) & 0xff; | |
1821 | ||
1822 | #ifdef PSXBIOS_LOG | |
1823 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); | |
1824 | #endif | |
1825 | ||
1826 | Event[ev][spec].status = EvStACTIVE; | |
1827 | ||
1828 | v0 = 1; pc0 = ra; | |
1829 | } | |
1830 | ||
1831 | void psxBios_DisableEvent() { // 0d | |
1832 | int ev, spec; | |
1833 | ||
1834 | ev = a0 & 0xff; | |
1835 | spec = (a0 >> 8) & 0xff; | |
1836 | ||
1837 | #ifdef PSXBIOS_LOG | |
1838 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); | |
1839 | #endif | |
1840 | ||
1841 | Event[ev][spec].status = EvStWAIT; | |
1842 | ||
1843 | v0 = 1; pc0 = ra; | |
1844 | } | |
1845 | ||
1846 | /* | |
1847 | * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); | |
1848 | */ | |
1849 | ||
1850 | void psxBios_OpenTh() { // 0e | |
1851 | int th; | |
1852 | ||
1853 | for (th=1; th<8; th++) | |
a66d3058 | 1854 | { |
ef79bbde P |
1855 | if (Thread[th].status == 0) break; |
1856 | ||
a66d3058 | 1857 | } |
1858 | if (th == 8) { | |
1859 | // Feb 2019 - Added out-of-bounds fix caught by cppcheck: | |
1860 | // When no free TCB is found, return 0xffffffff according to Nocash doc. | |
1861 | #ifdef PSXBIOS_LOG | |
1862 | PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__); | |
1863 | #endif | |
1864 | v0 = 0xffffffff; | |
1865 | pc0 = ra; | |
1866 | return; | |
1867 | } | |
ef79bbde P |
1868 | #ifdef PSXBIOS_LOG |
1869 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); | |
1870 | #endif | |
1871 | ||
1872 | Thread[th].status = 1; | |
1873 | Thread[th].func = a0; | |
1874 | Thread[th].reg[29] = a1; | |
1875 | Thread[th].reg[28] = a2; | |
1876 | ||
1877 | v0 = th; pc0 = ra; | |
1878 | } | |
1879 | ||
1880 | /* | |
1881 | * int CloseTh(long thread); | |
1882 | */ | |
1883 | ||
1884 | void psxBios_CloseTh() { // 0f | |
1885 | int th = a0 & 0xff; | |
1886 | ||
1887 | #ifdef PSXBIOS_LOG | |
1888 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); | |
1889 | #endif | |
9ee77db1 | 1890 | /* The return value is always 1 (even if the handle was already closed). */ |
1891 | v0 = 1; | |
1892 | if (Thread[th].status != 0) { | |
ef79bbde | 1893 | Thread[th].status = 0; |
ef79bbde P |
1894 | } |
1895 | ||
1896 | pc0 = ra; | |
1897 | } | |
1898 | ||
1899 | /* | |
1900 | * int ChangeTh(long thread); | |
1901 | */ | |
1902 | ||
1903 | void psxBios_ChangeTh() { // 10 | |
1904 | int th = a0 & 0xff; | |
1905 | ||
1906 | #ifdef PSXBIOS_LOG | |
1907 | // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); | |
1908 | #endif | |
9ee77db1 | 1909 | /* The return value is always 1. */ |
1910 | v0 = 1; | |
ef79bbde | 1911 | if (Thread[th].status == 0 || CurThread == th) { |
ef79bbde P |
1912 | pc0 = ra; |
1913 | } else { | |
ef79bbde P |
1914 | if (Thread[CurThread].status == 2) { |
1915 | Thread[CurThread].status = 1; | |
1916 | Thread[CurThread].func = ra; | |
1917 | memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4); | |
1918 | } | |
1919 | ||
1920 | memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4); | |
1921 | pc0 = Thread[th].func; | |
1922 | Thread[th].status = 2; | |
1923 | CurThread = th; | |
1924 | } | |
1925 | } | |
1926 | ||
1927 | void psxBios_InitPAD() { // 0x12 | |
1928 | #ifdef PSXBIOS_LOG | |
1929 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); | |
1930 | #endif | |
1931 | ||
1932 | pad_buf1 = (char*)Ra0; | |
1933 | pad_buf1len = a1; | |
1934 | pad_buf2 = (char*)Ra2; | |
1935 | pad_buf2len = a3; | |
1936 | ||
1937 | v0 = 1; pc0 = ra; | |
1938 | } | |
1939 | ||
1940 | void psxBios_StartPAD() { // 13 | |
1941 | #ifdef PSXBIOS_LOG | |
1942 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); | |
1943 | #endif | |
f25c285b | 1944 | pad_stopped = 0; |
ef79bbde P |
1945 | psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); |
1946 | psxRegs.CP0.n.Status |= 0x401; | |
1947 | pc0 = ra; | |
1948 | } | |
1949 | ||
1950 | void psxBios_StopPAD() { // 14 | |
1951 | #ifdef PSXBIOS_LOG | |
1952 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); | |
1953 | #endif | |
f25c285b | 1954 | pad_stopped = 1; |
ef79bbde P |
1955 | pad_buf1 = NULL; |
1956 | pad_buf2 = NULL; | |
1957 | pc0 = ra; | |
1958 | } | |
1959 | ||
1960 | void psxBios_PAD_init() { // 15 | |
1961 | #ifdef PSXBIOS_LOG | |
1962 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); | |
1963 | #endif | |
a824e83d | 1964 | if (!(a0 == 0x20000000 || a0 == 0x20000001)) |
1965 | { | |
1966 | v0 = 0; | |
1967 | pc0 = ra; | |
1968 | return; | |
1969 | } | |
ef79bbde P |
1970 | psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); |
1971 | pad_buf = (int *)Ra1; | |
1972 | *pad_buf = -1; | |
1973 | psxRegs.CP0.n.Status |= 0x401; | |
a824e83d | 1974 | v0 = 2; |
ef79bbde P |
1975 | pc0 = ra; |
1976 | } | |
1977 | ||
1978 | void psxBios_PAD_dr() { // 16 | |
1979 | #ifdef PSXBIOS_LOG | |
1980 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); | |
1981 | #endif | |
1982 | ||
1983 | v0 = -1; pc0 = ra; | |
1984 | } | |
1985 | ||
1986 | void psxBios_ReturnFromException() { // 17 | |
1987 | LoadRegs(); | |
1988 | ||
1989 | pc0 = psxRegs.CP0.n.EPC; | |
f23c2241 | 1990 | k0 = interrupt_r26; |
ef79bbde P |
1991 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4; |
1992 | ||
1993 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
1994 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
1995 | } | |
1996 | ||
1997 | void psxBios_ResetEntryInt() { // 18 | |
1998 | #ifdef PSXBIOS_LOG | |
1999 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); | |
2000 | #endif | |
2001 | ||
2002 | jmp_int = NULL; | |
2003 | pc0 = ra; | |
2004 | } | |
2005 | ||
2006 | void psxBios_HookEntryInt() { // 19 | |
2007 | #ifdef PSXBIOS_LOG | |
2008 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]); | |
2009 | #endif | |
2010 | ||
2011 | jmp_int = (u32*)Ra0; | |
2012 | pc0 = ra; | |
2013 | } | |
2014 | ||
2015 | void psxBios_UnDeliverEvent() { // 0x20 | |
2016 | int ev, spec; | |
2017 | int i; | |
2018 | ||
2019 | GetEv(); | |
2020 | GetSpec(); | |
2021 | ||
2022 | #ifdef PSXBIOS_LOG | |
2023 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); | |
2024 | #endif | |
2025 | ||
2026 | if (Event[ev][spec].status == EvStALREADY && | |
2027 | Event[ev][spec].mode == EvMdNOINTR) | |
2028 | Event[ev][spec].status = EvStACTIVE; | |
2029 | ||
2030 | pc0 = ra; | |
2031 | } | |
2032 | ||
595a136b | 2033 | char ffile[64], *pfile; |
2034 | int nfile; | |
2035 | static void buopen(int mcd, u8 *ptr, u8 *cfg) | |
2036 | { | |
2037 | int i; | |
2038 | u8 *fptr = ptr; | |
2039 | ||
2040 | strcpy(FDesc[1 + mcd].name, Ra0+5); | |
2041 | FDesc[1 + mcd].offset = 0; | |
2042 | FDesc[1 + mcd].mode = a1; | |
2043 | ||
2044 | for (i=1; i<16; i++) { | |
2045 | fptr += 128; | |
2046 | if ((*fptr & 0xF0) != 0x50) continue; | |
2047 | if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue; | |
2048 | FDesc[1 + mcd].mcfile = i; | |
2049 | SysPrintf("open %s\n", fptr+0xa); | |
2050 | v0 = 1 + mcd; | |
2051 | break; | |
2052 | } | |
2053 | if (a1 & 0x200 && v0 == -1) { /* FCREAT */ | |
2054 | fptr = ptr; | |
2055 | for (i=1; i<16; i++) { | |
2056 | int j, xor, nblk = a1 >> 16; | |
2057 | u8 *pptr, *fptr2; | |
2058 | ||
2059 | fptr += 128; | |
2060 | if ((*fptr & 0xF0) != 0xa0) continue; | |
2061 | ||
2062 | FDesc[1 + mcd].mcfile = i; | |
2063 | fptr[0] = 0x51; | |
2064 | fptr[4] = 0x00; | |
2065 | fptr[5] = 0x20 * nblk; | |
2066 | fptr[6] = 0x00; | |
2067 | fptr[7] = 0x00; | |
2068 | strcpy(fptr+0xa, FDesc[1 + mcd].name); | |
2069 | pptr = fptr2 = fptr; | |
2070 | for(j=2; j<=nblk; j++) { | |
2071 | int k; | |
2072 | for(i++; i<16; i++) { | |
2073 | fptr2 += 128; | |
2074 | ||
2075 | memset(fptr2, 0, 128); | |
2076 | fptr2[0] = j < nblk ? 0x52 : 0x53; | |
2077 | pptr[8] = i - 1; | |
2078 | pptr[9] = 0; | |
2079 | for (k=0, xor=0; k<127; k++) xor^= pptr[k]; | |
2080 | pptr[127] = xor; | |
2081 | pptr = fptr2; | |
2082 | break; | |
2083 | } | |
2084 | /* shouldn't this return ENOSPC if i == 16? */ | |
2085 | } | |
2086 | pptr[8] = pptr[9] = 0xff; | |
2087 | for (j=0, xor=0; j<127; j++) xor^= pptr[j]; | |
2088 | pptr[127] = xor; | |
2089 | SysPrintf("openC %s %d\n", ptr, nblk); | |
2090 | v0 = 1 + mcd; | |
2091 | /* just go ahead and resave them all */ | |
2092 | SaveMcd(cfg, ptr, 128, 128 * 15); | |
2093 | break; | |
2094 | } | |
2095 | /* shouldn't this return ENOSPC if i == 16? */ | |
2096 | } | |
ef79bbde P |
2097 | } |
2098 | ||
2099 | /* | |
2100 | * int open(char *name , int mode); | |
2101 | */ | |
2102 | ||
2103 | void psxBios_open() { // 0x32 | |
02949f79 | 2104 | void *pa0 = Ra0; |
ef79bbde P |
2105 | |
2106 | #ifdef PSXBIOS_LOG | |
2107 | PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); | |
2108 | #endif | |
2109 | ||
2110 | v0 = -1; | |
2111 | ||
02949f79 | 2112 | if (pa0) { |
2113 | if (!strncmp(pa0, "bu00", 4)) { | |
595a136b | 2114 | buopen(1, Mcd1Data, Config.Mcd1); |
02949f79 | 2115 | } |
ef79bbde | 2116 | |
02949f79 | 2117 | if (!strncmp(pa0, "bu10", 4)) { |
595a136b | 2118 | buopen(2, Mcd2Data, Config.Mcd2); |
02949f79 | 2119 | } |
ef79bbde P |
2120 | } |
2121 | ||
2122 | pc0 = ra; | |
2123 | } | |
2124 | ||
2125 | /* | |
2126 | * int lseek(int fd , int offset , int whence); | |
2127 | */ | |
2128 | ||
2129 | void psxBios_lseek() { // 0x33 | |
2130 | #ifdef PSXBIOS_LOG | |
2131 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); | |
2132 | #endif | |
2133 | ||
2134 | switch (a2) { | |
2135 | case 0: // SEEK_SET | |
2136 | FDesc[a0].offset = a1; | |
2137 | v0 = a1; | |
2138 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2139 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2140 | break; | |
2141 | ||
2142 | case 1: // SEEK_CUR | |
2143 | FDesc[a0].offset+= a1; | |
2144 | v0 = FDesc[a0].offset; | |
2145 | break; | |
2146 | } | |
2147 | ||
2148 | pc0 = ra; | |
2149 | } | |
2150 | ||
595a136b | 2151 | |
ef79bbde P |
2152 | /* |
2153 | * int read(int fd , void *buf , int nbytes); | |
2154 | */ | |
2155 | ||
2156 | void psxBios_read() { // 0x34 | |
2157 | char *ptr; | |
02949f79 | 2158 | void *pa1 = Ra1; |
ef79bbde P |
2159 | |
2160 | #ifdef PSXBIOS_LOG | |
2161 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); | |
2162 | #endif | |
2163 | ||
2164 | v0 = -1; | |
2165 | ||
02949f79 | 2166 | if (pa1) { |
2167 | switch (a0) { | |
595a136b | 2168 | case 2: buread(pa1, 1, a2); break; |
2169 | case 3: buread(pa1, 2, a2); break; | |
02949f79 | 2170 | } |
ef79bbde P |
2171 | } |
2172 | ||
2173 | pc0 = ra; | |
2174 | } | |
2175 | ||
ef79bbde P |
2176 | /* |
2177 | * int write(int fd , void *buf , int nbytes); | |
2178 | */ | |
2179 | ||
2180 | void psxBios_write() { // 0x35/0x03 | |
2181 | char *ptr; | |
02949f79 | 2182 | void *pa1 = Ra1; |
2183 | ||
2184 | #ifdef PSXBIOS_LOG | |
2185 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); | |
2186 | #endif | |
2187 | ||
2188 | v0 = -1; | |
2189 | if (!pa1) { | |
2190 | pc0 = ra; | |
2191 | return; | |
2192 | } | |
ef79bbde P |
2193 | |
2194 | if (a0 == 1) { // stdout | |
02949f79 | 2195 | char *ptr = pa1; |
ef79bbde | 2196 | |
02949f79 | 2197 | v0 = a2; |
ef79bbde P |
2198 | while (a2 > 0) { |
2199 | SysPrintf("%c", *ptr++); a2--; | |
2200 | } | |
2201 | pc0 = ra; return; | |
2202 | } | |
ef79bbde P |
2203 | |
2204 | switch (a0) { | |
595a136b | 2205 | case 2: buwrite(pa1, 1, a2); break; |
2206 | case 3: buwrite(pa1, 2, a2); break; | |
ef79bbde P |
2207 | } |
2208 | ||
2209 | pc0 = ra; | |
2210 | } | |
2211 | ||
2212 | /* | |
2213 | * int close(int fd); | |
2214 | */ | |
2215 | ||
2216 | void psxBios_close() { // 0x36 | |
2217 | #ifdef PSXBIOS_LOG | |
2218 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); | |
2219 | #endif | |
2220 | ||
2221 | v0 = a0; | |
2222 | pc0 = ra; | |
2223 | } | |
2224 | ||
2225 | void psxBios_putchar() { // 3d | |
2226 | SysPrintf("%c", (char)a0); | |
2227 | pc0 = ra; | |
2228 | } | |
2229 | ||
2230 | void psxBios_puts() { // 3e/3f | |
808a13bd | 2231 | SysPrintf("%s", Ra0); |
ef79bbde P |
2232 | pc0 = ra; |
2233 | } | |
2234 | ||
f1514614 | 2235 | |
2236 | /* To avoid any issues with different behaviour when using the libc's own strlen instead. | |
2237 | * We want to mimic the PSX's behaviour in this case for bufile. */ | |
2238 | static size_t strlen_internal(char* p) | |
2239 | { | |
2240 | size_t size_of_array = 0; | |
2241 | while (*p++) size_of_array++; | |
2242 | return size_of_array; | |
2243 | } | |
2244 | ||
ef79bbde | 2245 | #define bufile(mcd) { \ |
f1514614 | 2246 | size_t size_of_name = strlen_internal(dir->name); \ |
ef79bbde P |
2247 | while (nfile < 16) { \ |
2248 | int match=1; \ | |
2249 | \ | |
595a136b | 2250 | ptr = Mcd##mcd##Data + 128 * (nfile + 1); \ |
ef79bbde P |
2251 | nfile++; \ |
2252 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
595a136b | 2253 | /* Bug link files show up as free block. */ \ |
2254 | if (!ptr[0xa]) continue; \ | |
ef79bbde P |
2255 | ptr+= 0xa; \ |
2256 | if (pfile[0] == 0) { \ | |
f1514614 | 2257 | strncpy(dir->name, ptr, sizeof(dir->name) - 1); \ |
2258 | if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \ | |
ef79bbde P |
2259 | } else for (i=0; i<20; i++) { \ |
2260 | if (pfile[i] == ptr[i]) { \ | |
595a136b | 2261 | dir->name[i] = ptr[i]; continue; } \ |
ef79bbde P |
2262 | if (pfile[i] == '?') { \ |
2263 | dir->name[i] = ptr[i]; continue; } \ | |
2264 | if (pfile[i] == '*') { \ | |
2265 | strcpy(dir->name+i, ptr+i); break; } \ | |
2266 | match = 0; break; \ | |
2267 | } \ | |
2268 | SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ | |
595a136b | 2269 | if (match == 0) { continue; } \ |
ef79bbde P |
2270 | dir->size = 8192; \ |
2271 | v0 = _dir; \ | |
2272 | break; \ | |
2273 | } \ | |
2274 | } | |
2275 | ||
2276 | /* | |
2277 | * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); | |
2278 | */ | |
2279 | ||
2280 | void psxBios_firstfile() { // 42 | |
2281 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; | |
02949f79 | 2282 | void *pa0 = Ra0; |
ef79bbde P |
2283 | u32 _dir = a1; |
2284 | char *ptr; | |
2285 | int i; | |
2286 | ||
2287 | #ifdef PSXBIOS_LOG | |
2288 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); | |
2289 | #endif | |
2290 | ||
2291 | v0 = 0; | |
2292 | ||
02949f79 | 2293 | if (pa0) { |
2294 | strcpy(ffile, pa0); | |
2295 | pfile = ffile+5; | |
8f3b2bd3 | 2296 | nfile = 0; |
02949f79 | 2297 | if (!strncmp(pa0, "bu00", 4)) { |
857fabea | 2298 | // firstfile() calls _card_read() internally, so deliver it's event |
2299 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2300 | bufile(1); |
2301 | } else if (!strncmp(pa0, "bu10", 4)) { | |
857fabea | 2302 | // firstfile() calls _card_read() internally, so deliver it's event |
2303 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2304 | bufile(2); |
2305 | } | |
ef79bbde P |
2306 | } |
2307 | ||
2308 | pc0 = ra; | |
2309 | } | |
2310 | ||
2311 | /* | |
2312 | * struct DIRENTRY* nextfile(struct DIRENTRY *dir); | |
2313 | */ | |
2314 | ||
2315 | void psxBios_nextfile() { // 43 | |
2316 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; | |
2317 | u32 _dir = a0; | |
2318 | char *ptr; | |
2319 | int i; | |
2320 | ||
2321 | #ifdef PSXBIOS_LOG | |
2322 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); | |
2323 | #endif | |
2324 | ||
2325 | v0 = 0; | |
2326 | ||
2327 | if (!strncmp(ffile, "bu00", 4)) { | |
2328 | bufile(1); | |
2329 | } | |
2330 | ||
2331 | if (!strncmp(ffile, "bu10", 4)) { | |
2332 | bufile(2); | |
2333 | } | |
2334 | ||
2335 | pc0 = ra; | |
2336 | } | |
2337 | ||
2338 | #define burename(mcd) { \ | |
2339 | for (i=1; i<16; i++) { \ | |
2340 | int namelen, j, xor = 0; \ | |
2341 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2342 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2343 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2344 | namelen = strlen(Ra1+5); \ | |
2345 | memcpy(ptr+0xa, Ra1+5, namelen); \ | |
2346 | memset(ptr+0xa+namelen, 0, 0x75-namelen); \ | |
2347 | for (j=0; j<127; j++) xor^= ptr[j]; \ | |
2348 | ptr[127] = xor; \ | |
2349 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ | |
2350 | v0 = 1; \ | |
2351 | break; \ | |
2352 | } \ | |
2353 | } | |
2354 | ||
2355 | /* | |
2356 | * int rename(char *old, char *new); | |
2357 | */ | |
2358 | ||
2359 | void psxBios_rename() { // 44 | |
02949f79 | 2360 | void *pa0 = Ra0; |
2361 | void *pa1 = Ra1; | |
ef79bbde P |
2362 | char *ptr; |
2363 | int i; | |
2364 | ||
2365 | #ifdef PSXBIOS_LOG | |
2366 | PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); | |
2367 | #endif | |
2368 | ||
2369 | v0 = 0; | |
2370 | ||
02949f79 | 2371 | if (pa0 && pa1) { |
2372 | if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) { | |
2373 | burename(1); | |
2374 | } | |
ef79bbde | 2375 | |
02949f79 | 2376 | if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) { |
2377 | burename(2); | |
2378 | } | |
ef79bbde P |
2379 | } |
2380 | ||
2381 | pc0 = ra; | |
2382 | } | |
2383 | ||
2384 | ||
2385 | #define budelete(mcd) { \ | |
2386 | for (i=1; i<16; i++) { \ | |
2387 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2388 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2389 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2390 | *ptr = (*ptr & 0xf) | 0xA0; \ | |
2391 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ | |
2392 | SysPrintf("delete %s\n", ptr+0xa); \ | |
2393 | v0 = 1; \ | |
2394 | break; \ | |
2395 | } \ | |
2396 | } | |
2397 | ||
2398 | /* | |
2399 | * int delete(char *name); | |
2400 | */ | |
2401 | ||
2402 | void psxBios_delete() { // 45 | |
02949f79 | 2403 | void *pa0 = Ra0; |
ef79bbde P |
2404 | char *ptr; |
2405 | int i; | |
2406 | ||
2407 | #ifdef PSXBIOS_LOG | |
2408 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); | |
2409 | #endif | |
2410 | ||
2411 | v0 = 0; | |
2412 | ||
02949f79 | 2413 | if (pa0) { |
2414 | if (!strncmp(pa0, "bu00", 4)) { | |
2415 | budelete(1); | |
2416 | } | |
ef79bbde | 2417 | |
02949f79 | 2418 | if (!strncmp(pa0, "bu10", 4)) { |
2419 | budelete(2); | |
2420 | } | |
ef79bbde P |
2421 | } |
2422 | ||
2423 | pc0 = ra; | |
2424 | } | |
2425 | ||
2426 | void psxBios_InitCARD() { // 4a | |
2427 | #ifdef PSXBIOS_LOG | |
2428 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); | |
2429 | #endif | |
2430 | ||
2431 | CardState = 0; | |
2432 | ||
2433 | pc0 = ra; | |
2434 | } | |
2435 | ||
2436 | void psxBios_StartCARD() { // 4b | |
2437 | #ifdef PSXBIOS_LOG | |
2438 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); | |
2439 | #endif | |
2440 | ||
2441 | if (CardState == 0) CardState = 1; | |
2442 | ||
2443 | pc0 = ra; | |
2444 | } | |
2445 | ||
2446 | void psxBios_StopCARD() { // 4c | |
2447 | #ifdef PSXBIOS_LOG | |
2448 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); | |
2449 | #endif | |
2450 | ||
2451 | if (CardState == 1) CardState = 0; | |
2452 | ||
2453 | pc0 = ra; | |
2454 | } | |
2455 | ||
2456 | void psxBios__card_write() { // 0x4e | |
02949f79 | 2457 | void *pa2 = Ra2; |
ef79bbde P |
2458 | int port; |
2459 | ||
2460 | #ifdef PSXBIOS_LOG | |
2461 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); | |
2462 | #endif | |
1059caaf | 2463 | /* |
2464 | Function also accepts sector 400h (a bug). | |
2465 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. | |
2466 | */ | |
2467 | if (!(a1 <= 0x3FF)) | |
bd48ba5e | 2468 | { |
2469 | /* Invalid sectors */ | |
2470 | v0 = 0; pc0 = ra; | |
2471 | return; | |
2472 | } | |
e9fda093 | 2473 | card_active_chan = a0; |
ef79bbde P |
2474 | port = a0 >> 4; |
2475 | ||
02949f79 | 2476 | if (pa2) { |
2477 | if (port == 0) { | |
2478 | memcpy(Mcd1Data + a1 * 128, pa2, 128); | |
2479 | SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); | |
2480 | } else { | |
2481 | memcpy(Mcd2Data + a1 * 128, pa2, 128); | |
2482 | SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); | |
2483 | } | |
ef79bbde P |
2484 | } |
2485 | ||
2486 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2487 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2488 | ||
2489 | v0 = 1; pc0 = ra; | |
2490 | } | |
2491 | ||
2492 | void psxBios__card_read() { // 0x4f | |
02949f79 | 2493 | void *pa2 = Ra2; |
ef79bbde P |
2494 | int port; |
2495 | ||
2496 | #ifdef PSXBIOS_LOG | |
2497 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); | |
2498 | #endif | |
1059caaf | 2499 | /* |
2500 | Function also accepts sector 400h (a bug). | |
2501 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. | |
2502 | */ | |
2503 | if (!(a1 <= 0x3FF)) | |
bd48ba5e | 2504 | { |
2505 | /* Invalid sectors */ | |
2506 | v0 = 0; pc0 = ra; | |
2507 | return; | |
2508 | } | |
e9fda093 | 2509 | card_active_chan = a0; |
ef79bbde P |
2510 | port = a0 >> 4; |
2511 | ||
02949f79 | 2512 | if (pa2) { |
2513 | if (port == 0) { | |
2514 | memcpy(pa2, Mcd1Data + a1 * 128, 128); | |
2515 | } else { | |
2516 | memcpy(pa2, Mcd2Data + a1 * 128, 128); | |
2517 | } | |
ef79bbde P |
2518 | } |
2519 | ||
2520 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2521 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2522 | ||
2523 | v0 = 1; pc0 = ra; | |
2524 | } | |
2525 | ||
2526 | void psxBios__new_card() { // 0x50 | |
2527 | #ifdef PSXBIOS_LOG | |
2528 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); | |
2529 | #endif | |
2530 | ||
2531 | pc0 = ra; | |
2532 | } | |
2533 | ||
002b2f7d | 2534 | /* According to a user, this allows Final Fantasy Tactics to save/load properly */ |
2535 | void psxBios__get_error(void) // 55 | |
2536 | { | |
2537 | v0 = 0; | |
2538 | pc0 = ra; | |
2539 | } | |
2540 | ||
ef79bbde P |
2541 | void psxBios_Krom2RawAdd() { // 0x51 |
2542 | int i = 0; | |
2543 | ||
2544 | const u32 table_8140[][2] = { | |
2545 | {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, | |
2546 | {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, | |
2547 | {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, | |
2548 | {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, | |
2549 | {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, | |
2550 | {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, | |
2551 | {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, | |
2552 | {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, | |
2553 | {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, | |
2554 | {0xffff, 0} | |
2555 | }; | |
2556 | ||
2557 | const u32 table_889f[][2] = { | |
2558 | {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, | |
2559 | {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, | |
2560 | {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, | |
2561 | {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, | |
2562 | {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, | |
2563 | {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, | |
2564 | {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, | |
2565 | {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, | |
2566 | {0xffff, 0} | |
2567 | }; | |
2568 | ||
2569 | if (a0 >= 0x8140 && a0 <= 0x84be) { | |
2570 | while (table_8140[i][0] <= a0) i++; | |
2571 | a0 -= table_8140[i - 1][0]; | |
2572 | v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); | |
2573 | } else if (a0 >= 0x889f && a0 <= 0x9872) { | |
2574 | while (table_889f[i][0] <= a0) i++; | |
2575 | a0 -= table_889f[i - 1][0]; | |
2576 | v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); | |
2577 | } else { | |
2578 | v0 = 0xffffffff; | |
2579 | } | |
2580 | ||
2581 | pc0 = ra; | |
2582 | } | |
2583 | ||
2584 | void psxBios_GetC0Table() { // 56 | |
2585 | #ifdef PSXBIOS_LOG | |
2586 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); | |
2587 | #endif | |
2588 | ||
2589 | v0 = 0x674; pc0 = ra; | |
2590 | } | |
2591 | ||
2592 | void psxBios_GetB0Table() { // 57 | |
2593 | #ifdef PSXBIOS_LOG | |
2594 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); | |
2595 | #endif | |
2596 | ||
2597 | v0 = 0x874; pc0 = ra; | |
2598 | } | |
2599 | ||
e9fda093 | 2600 | void psxBios__card_chan() { // 0x58 |
2601 | #ifdef PSXBIOS_LOG | |
2602 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]); | |
2603 | #endif | |
2604 | ||
2605 | v0 = card_active_chan; | |
2606 | pc0 = ra; | |
2607 | } | |
2608 | ||
ef79bbde P |
2609 | void psxBios_ChangeClearPad() { // 5b |
2610 | #ifdef PSXBIOS_LOG | |
2611 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); | |
2612 | #endif | |
2613 | ||
2614 | pc0 = ra; | |
2615 | } | |
2616 | ||
21af3ff6 | 2617 | void psxBios__card_status() { // 5c |
2618 | #ifdef PSXBIOS_LOG | |
2619 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0); | |
2620 | #endif | |
2621 | ||
cf1af0ed | 2622 | v0 = card_active_chan; |
21af3ff6 | 2623 | pc0 = ra; |
2624 | } | |
2625 | ||
5f652aa9 | 2626 | void psxBios__card_wait() { // 5d |
2627 | #ifdef PSXBIOS_LOG | |
2628 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0); | |
2629 | #endif | |
2630 | ||
2631 | v0 = 1; | |
2632 | pc0 = ra; | |
2633 | } | |
2634 | ||
ef79bbde P |
2635 | /* System calls C0 */ |
2636 | ||
2637 | /* | |
2638 | * int SysEnqIntRP(int index , long *queue); | |
2639 | */ | |
2640 | ||
2641 | void psxBios_SysEnqIntRP() { // 02 | |
2642 | #ifdef PSXBIOS_LOG | |
2643 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0); | |
2644 | #endif | |
2645 | ||
2646 | SysIntRP[a0] = a1; | |
2647 | ||
2648 | v0 = 0; pc0 = ra; | |
2649 | } | |
2650 | ||
2651 | /* | |
2652 | * int SysDeqIntRP(int index , long *queue); | |
2653 | */ | |
2654 | ||
2655 | void psxBios_SysDeqIntRP() { // 03 | |
2656 | #ifdef PSXBIOS_LOG | |
2657 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0); | |
2658 | #endif | |
2659 | ||
2660 | SysIntRP[a0] = 0; | |
2661 | ||
2662 | v0 = 0; pc0 = ra; | |
2663 | } | |
2664 | ||
2665 | void psxBios_ChangeClearRCnt() { // 0a | |
2666 | u32 *ptr; | |
2667 | ||
2668 | #ifdef PSXBIOS_LOG | |
2669 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); | |
2670 | #endif | |
2671 | ||
2672 | ptr = (u32*)PSXM((a0 << 2) + 0x8600); | |
2673 | v0 = *ptr; | |
2674 | *ptr = a1; | |
2675 | ||
2676 | // psxRegs.CP0.n.Status|= 0x404; | |
2677 | pc0 = ra; | |
2678 | } | |
2679 | ||
2680 | void psxBios_dummy() { | |
2681 | #ifdef PSXBIOS_LOG | |
2682 | PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1); | |
2683 | #endif | |
2684 | pc0 = ra; | |
2685 | } | |
2686 | ||
2687 | void (*biosA0[256])(); | |
2688 | void (*biosB0[256])(); | |
2689 | void (*biosC0[256])(); | |
2690 | ||
2691 | #include "sjisfont.h" | |
2692 | ||
2693 | void psxBiosInit() { | |
2694 | u32 base, size; | |
2695 | u32 *ptr; | |
2696 | int i; | |
2697 | uLongf len; | |
2698 | ||
2699 | for(i = 0; i < 256; i++) { | |
2700 | biosA0[i] = NULL; | |
2701 | biosB0[i] = NULL; | |
2702 | biosC0[i] = NULL; | |
2703 | } | |
2704 | biosA0[0x3e] = psxBios_puts; | |
2705 | biosA0[0x3f] = psxBios_printf; | |
2706 | ||
2707 | biosB0[0x3d] = psxBios_putchar; | |
2708 | biosB0[0x3f] = psxBios_puts; | |
2709 | ||
2710 | if (!Config.HLE) return; | |
2711 | ||
2712 | for(i = 0; i < 256; i++) { | |
2713 | if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; | |
2714 | if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; | |
2715 | if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; | |
2716 | } | |
2717 | ||
2718 | biosA0[0x00] = psxBios_open; | |
2719 | biosA0[0x01] = psxBios_lseek; | |
2720 | biosA0[0x02] = psxBios_read; | |
2721 | biosA0[0x03] = psxBios_write; | |
2722 | biosA0[0x04] = psxBios_close; | |
2723 | //biosA0[0x05] = psxBios_ioctl; | |
2724 | //biosA0[0x06] = psxBios_exit; | |
2725 | //biosA0[0x07] = psxBios_sys_a0_07; | |
324cec89 | 2726 | biosA0[0x08] = psxBios_getc; |
2727 | biosA0[0x09] = psxBios_putc; | |
ba11675c | 2728 | biosA0[0x0a] = psxBios_todigit; |
ef79bbde P |
2729 | //biosA0[0x0b] = psxBios_atof; |
2730 | //biosA0[0x0c] = psxBios_strtoul; | |
2731 | //biosA0[0x0d] = psxBios_strtol; | |
2732 | biosA0[0x0e] = psxBios_abs; | |
2733 | biosA0[0x0f] = psxBios_labs; | |
2734 | biosA0[0x10] = psxBios_atoi; | |
2735 | biosA0[0x11] = psxBios_atol; | |
2736 | //biosA0[0x12] = psxBios_atob; | |
2737 | biosA0[0x13] = psxBios_setjmp; | |
2738 | biosA0[0x14] = psxBios_longjmp; | |
2739 | biosA0[0x15] = psxBios_strcat; | |
2740 | biosA0[0x16] = psxBios_strncat; | |
2741 | biosA0[0x17] = psxBios_strcmp; | |
2742 | biosA0[0x18] = psxBios_strncmp; | |
2743 | biosA0[0x19] = psxBios_strcpy; | |
2744 | biosA0[0x1a] = psxBios_strncpy; | |
2745 | biosA0[0x1b] = psxBios_strlen; | |
2746 | biosA0[0x1c] = psxBios_index; | |
2747 | biosA0[0x1d] = psxBios_rindex; | |
2748 | biosA0[0x1e] = psxBios_strchr; | |
2749 | biosA0[0x1f] = psxBios_strrchr; | |
2750 | biosA0[0x20] = psxBios_strpbrk; | |
2751 | biosA0[0x21] = psxBios_strspn; | |
2752 | biosA0[0x22] = psxBios_strcspn; | |
2753 | biosA0[0x23] = psxBios_strtok; | |
2754 | biosA0[0x24] = psxBios_strstr; | |
2755 | biosA0[0x25] = psxBios_toupper; | |
2756 | biosA0[0x26] = psxBios_tolower; | |
2757 | biosA0[0x27] = psxBios_bcopy; | |
2758 | biosA0[0x28] = psxBios_bzero; | |
2759 | biosA0[0x29] = psxBios_bcmp; | |
2760 | biosA0[0x2a] = psxBios_memcpy; | |
2761 | biosA0[0x2b] = psxBios_memset; | |
2762 | biosA0[0x2c] = psxBios_memmove; | |
2763 | biosA0[0x2d] = psxBios_memcmp; | |
2764 | biosA0[0x2e] = psxBios_memchr; | |
2765 | biosA0[0x2f] = psxBios_rand; | |
2766 | biosA0[0x30] = psxBios_srand; | |
2767 | biosA0[0x31] = psxBios_qsort; | |
2768 | //biosA0[0x32] = psxBios_strtod; | |
2769 | biosA0[0x33] = psxBios_malloc; | |
2770 | biosA0[0x34] = psxBios_free; | |
2771 | //biosA0[0x35] = psxBios_lsearch; | |
2772 | //biosA0[0x36] = psxBios_bsearch; | |
2773 | biosA0[0x37] = psxBios_calloc; | |
2774 | biosA0[0x38] = psxBios_realloc; | |
2775 | biosA0[0x39] = psxBios_InitHeap; | |
2776 | //biosA0[0x3a] = psxBios__exit; | |
2777 | biosA0[0x3b] = psxBios_getchar; | |
2778 | biosA0[0x3c] = psxBios_putchar; | |
2779 | //biosA0[0x3d] = psxBios_gets; | |
2780 | //biosA0[0x40] = psxBios_sys_a0_40; | |
2781 | //biosA0[0x41] = psxBios_LoadTest; | |
2782 | biosA0[0x42] = psxBios_Load; | |
2783 | biosA0[0x43] = psxBios_Exec; | |
2784 | biosA0[0x44] = psxBios_FlushCache; | |
2785 | //biosA0[0x45] = psxBios_InstallInterruptHandler; | |
2786 | biosA0[0x46] = psxBios_GPU_dw; | |
2787 | biosA0[0x47] = psxBios_mem2vram; | |
2788 | biosA0[0x48] = psxBios_SendGPU; | |
2789 | biosA0[0x49] = psxBios_GPU_cw; | |
2790 | biosA0[0x4a] = psxBios_GPU_cwb; | |
2791 | biosA0[0x4b] = psxBios_GPU_SendPackets; | |
2792 | biosA0[0x4c] = psxBios_sys_a0_4c; | |
2793 | biosA0[0x4d] = psxBios_GPU_GetGPUStatus; | |
2794 | //biosA0[0x4e] = psxBios_GPU_sync; | |
2795 | //biosA0[0x4f] = psxBios_sys_a0_4f; | |
2796 | //biosA0[0x50] = psxBios_sys_a0_50; | |
2797 | biosA0[0x51] = psxBios_LoadExec; | |
2798 | //biosA0[0x52] = psxBios_GetSysSp; | |
2799 | //biosA0[0x53] = psxBios_sys_a0_53; | |
2800 | //biosA0[0x54] = psxBios__96_init_a54; | |
2801 | //biosA0[0x55] = psxBios__bu_init_a55; | |
2802 | //biosA0[0x56] = psxBios__96_remove_a56; | |
2803 | //biosA0[0x57] = psxBios_sys_a0_57; | |
2804 | //biosA0[0x58] = psxBios_sys_a0_58; | |
2805 | //biosA0[0x59] = psxBios_sys_a0_59; | |
2806 | //biosA0[0x5a] = psxBios_sys_a0_5a; | |
2807 | //biosA0[0x5b] = psxBios_dev_tty_init; | |
2808 | //biosA0[0x5c] = psxBios_dev_tty_open; | |
2809 | //biosA0[0x5d] = psxBios_sys_a0_5d; | |
2810 | //biosA0[0x5e] = psxBios_dev_tty_ioctl; | |
2811 | //biosA0[0x5f] = psxBios_dev_cd_open; | |
2812 | //biosA0[0x60] = psxBios_dev_cd_read; | |
2813 | //biosA0[0x61] = psxBios_dev_cd_close; | |
2814 | //biosA0[0x62] = psxBios_dev_cd_firstfile; | |
2815 | //biosA0[0x63] = psxBios_dev_cd_nextfile; | |
2816 | //biosA0[0x64] = psxBios_dev_cd_chdir; | |
2817 | //biosA0[0x65] = psxBios_dev_card_open; | |
2818 | //biosA0[0x66] = psxBios_dev_card_read; | |
2819 | //biosA0[0x67] = psxBios_dev_card_write; | |
2820 | //biosA0[0x68] = psxBios_dev_card_close; | |
2821 | //biosA0[0x69] = psxBios_dev_card_firstfile; | |
2822 | //biosA0[0x6a] = psxBios_dev_card_nextfile; | |
2823 | //biosA0[0x6b] = psxBios_dev_card_erase; | |
2824 | //biosA0[0x6c] = psxBios_dev_card_undelete; | |
2825 | //biosA0[0x6d] = psxBios_dev_card_format; | |
2826 | //biosA0[0x6e] = psxBios_dev_card_rename; | |
2827 | //biosA0[0x6f] = psxBios_dev_card_6f; | |
2828 | biosA0[0x70] = psxBios__bu_init; | |
2829 | biosA0[0x71] = psxBios__96_init; | |
2830 | biosA0[0x72] = psxBios__96_remove; | |
2831 | //biosA0[0x73] = psxBios_sys_a0_73; | |
2832 | //biosA0[0x74] = psxBios_sys_a0_74; | |
2833 | //biosA0[0x75] = psxBios_sys_a0_75; | |
2834 | //biosA0[0x76] = psxBios_sys_a0_76; | |
2835 | //biosA0[0x77] = psxBios_sys_a0_77; | |
2836 | //biosA0[0x78] = psxBios__96_CdSeekL; | |
2837 | //biosA0[0x79] = psxBios_sys_a0_79; | |
2838 | //biosA0[0x7a] = psxBios_sys_a0_7a; | |
2839 | //biosA0[0x7b] = psxBios_sys_a0_7b; | |
2840 | //biosA0[0x7c] = psxBios__96_CdGetStatus; | |
2841 | //biosA0[0x7d] = psxBios_sys_a0_7d; | |
2842 | //biosA0[0x7e] = psxBios__96_CdRead; | |
2843 | //biosA0[0x7f] = psxBios_sys_a0_7f; | |
2844 | //biosA0[0x80] = psxBios_sys_a0_80; | |
2845 | //biosA0[0x81] = psxBios_sys_a0_81; | |
2846 | //biosA0[0x82] = psxBios_sys_a0_82; | |
2847 | //biosA0[0x83] = psxBios_sys_a0_83; | |
2848 | //biosA0[0x84] = psxBios_sys_a0_84; | |
2849 | //biosA0[0x85] = psxBios__96_CdStop; | |
2850 | //biosA0[0x86] = psxBios_sys_a0_86; | |
2851 | //biosA0[0x87] = psxBios_sys_a0_87; | |
2852 | //biosA0[0x88] = psxBios_sys_a0_88; | |
2853 | //biosA0[0x89] = psxBios_sys_a0_89; | |
2854 | //biosA0[0x8a] = psxBios_sys_a0_8a; | |
2855 | //biosA0[0x8b] = psxBios_sys_a0_8b; | |
2856 | //biosA0[0x8c] = psxBios_sys_a0_8c; | |
2857 | //biosA0[0x8d] = psxBios_sys_a0_8d; | |
2858 | //biosA0[0x8e] = psxBios_sys_a0_8e; | |
2859 | //biosA0[0x8f] = psxBios_sys_a0_8f; | |
2860 | //biosA0[0x90] = psxBios_sys_a0_90; | |
2861 | //biosA0[0x91] = psxBios_sys_a0_91; | |
2862 | //biosA0[0x92] = psxBios_sys_a0_92; | |
2863 | //biosA0[0x93] = psxBios_sys_a0_93; | |
2864 | //biosA0[0x94] = psxBios_sys_a0_94; | |
2865 | //biosA0[0x95] = psxBios_sys_a0_95; | |
2866 | //biosA0[0x96] = psxBios_AddCDROMDevice; | |
2867 | //biosA0[0x97] = psxBios_AddMemCardDevide; | |
2868 | //biosA0[0x98] = psxBios_DisableKernelIORedirection; | |
2869 | //biosA0[0x99] = psxBios_EnableKernelIORedirection; | |
2870 | //biosA0[0x9a] = psxBios_sys_a0_9a; | |
2871 | //biosA0[0x9b] = psxBios_sys_a0_9b; | |
2872 | //biosA0[0x9c] = psxBios_SetConf; | |
2873 | //biosA0[0x9d] = psxBios_GetConf; | |
2874 | //biosA0[0x9e] = psxBios_sys_a0_9e; | |
2875 | biosA0[0x9f] = psxBios_SetMem; | |
2876 | //biosA0[0xa0] = psxBios__boot; | |
2877 | //biosA0[0xa1] = psxBios_SystemError; | |
2878 | //biosA0[0xa2] = psxBios_EnqueueCdIntr; | |
2879 | //biosA0[0xa3] = psxBios_DequeueCdIntr; | |
2880 | //biosA0[0xa4] = psxBios_sys_a0_a4; | |
2881 | //biosA0[0xa5] = psxBios_ReadSector; | |
18dd7e9e | 2882 | biosA0[0xa6] = psxBios_get_cd_status; |
ef79bbde P |
2883 | //biosA0[0xa7] = psxBios_bufs_cb_0; |
2884 | //biosA0[0xa8] = psxBios_bufs_cb_1; | |
2885 | //biosA0[0xa9] = psxBios_bufs_cb_2; | |
2886 | //biosA0[0xaa] = psxBios_bufs_cb_3; | |
2887 | biosA0[0xab] = psxBios__card_info; | |
2888 | biosA0[0xac] = psxBios__card_load; | |
2889 | //biosA0[0axd] = psxBios__card_auto; | |
2890 | //biosA0[0xae] = psxBios_bufs_cd_4; | |
2891 | //biosA0[0xaf] = psxBios_sys_a0_af; | |
2892 | //biosA0[0xb0] = psxBios_sys_a0_b0; | |
2893 | //biosA0[0xb1] = psxBios_sys_a0_b1; | |
2894 | //biosA0[0xb2] = psxBios_do_a_long_jmp | |
2895 | //biosA0[0xb3] = psxBios_sys_a0_b3; | |
2896 | //biosA0[0xb4] = psxBios_sub_function; | |
2897 | //*******************B0 CALLS**************************** | |
2898 | //biosB0[0x00] = psxBios_SysMalloc; | |
2899 | //biosB0[0x01] = psxBios_sys_b0_01; | |
2900 | biosB0[0x02] = psxBios_SetRCnt; | |
2901 | biosB0[0x03] = psxBios_GetRCnt; | |
2902 | biosB0[0x04] = psxBios_StartRCnt; | |
2903 | biosB0[0x05] = psxBios_StopRCnt; | |
2904 | biosB0[0x06] = psxBios_ResetRCnt; | |
2905 | biosB0[0x07] = psxBios_DeliverEvent; | |
2906 | biosB0[0x08] = psxBios_OpenEvent; | |
2907 | biosB0[0x09] = psxBios_CloseEvent; | |
2908 | biosB0[0x0a] = psxBios_WaitEvent; | |
2909 | biosB0[0x0b] = psxBios_TestEvent; | |
2910 | biosB0[0x0c] = psxBios_EnableEvent; | |
2911 | biosB0[0x0d] = psxBios_DisableEvent; | |
2912 | biosB0[0x0e] = psxBios_OpenTh; | |
2913 | biosB0[0x0f] = psxBios_CloseTh; | |
2914 | biosB0[0x10] = psxBios_ChangeTh; | |
2915 | //biosB0[0x11] = psxBios_psxBios_b0_11; | |
2916 | biosB0[0x12] = psxBios_InitPAD; | |
2917 | biosB0[0x13] = psxBios_StartPAD; | |
2918 | biosB0[0x14] = psxBios_StopPAD; | |
2919 | biosB0[0x15] = psxBios_PAD_init; | |
2920 | biosB0[0x16] = psxBios_PAD_dr; | |
2921 | biosB0[0x17] = psxBios_ReturnFromException; | |
2922 | biosB0[0x18] = psxBios_ResetEntryInt; | |
2923 | biosB0[0x19] = psxBios_HookEntryInt; | |
2924 | //biosB0[0x1a] = psxBios_sys_b0_1a; | |
2925 | //biosB0[0x1b] = psxBios_sys_b0_1b; | |
2926 | //biosB0[0x1c] = psxBios_sys_b0_1c; | |
2927 | //biosB0[0x1d] = psxBios_sys_b0_1d; | |
2928 | //biosB0[0x1e] = psxBios_sys_b0_1e; | |
2929 | //biosB0[0x1f] = psxBios_sys_b0_1f; | |
2930 | biosB0[0x20] = psxBios_UnDeliverEvent; | |
2931 | //biosB0[0x21] = psxBios_sys_b0_21; | |
2932 | //biosB0[0x22] = psxBios_sys_b0_22; | |
2933 | //biosB0[0x23] = psxBios_sys_b0_23; | |
2934 | //biosB0[0x24] = psxBios_sys_b0_24; | |
2935 | //biosB0[0x25] = psxBios_sys_b0_25; | |
2936 | //biosB0[0x26] = psxBios_sys_b0_26; | |
2937 | //biosB0[0x27] = psxBios_sys_b0_27; | |
2938 | //biosB0[0x28] = psxBios_sys_b0_28; | |
2939 | //biosB0[0x29] = psxBios_sys_b0_29; | |
2940 | //biosB0[0x2a] = psxBios_sys_b0_2a; | |
2941 | //biosB0[0x2b] = psxBios_sys_b0_2b; | |
2942 | //biosB0[0x2c] = psxBios_sys_b0_2c; | |
2943 | //biosB0[0x2d] = psxBios_sys_b0_2d; | |
2944 | //biosB0[0x2e] = psxBios_sys_b0_2e; | |
2945 | //biosB0[0x2f] = psxBios_sys_b0_2f; | |
2946 | //biosB0[0x30] = psxBios_sys_b0_30; | |
2947 | //biosB0[0x31] = psxBios_sys_b0_31; | |
2948 | biosB0[0x32] = psxBios_open; | |
2949 | biosB0[0x33] = psxBios_lseek; | |
2950 | biosB0[0x34] = psxBios_read; | |
2951 | biosB0[0x35] = psxBios_write; | |
2952 | biosB0[0x36] = psxBios_close; | |
2953 | //biosB0[0x37] = psxBios_ioctl; | |
2954 | //biosB0[0x38] = psxBios_exit; | |
2955 | //biosB0[0x39] = psxBios_sys_b0_39; | |
2956 | //biosB0[0x3a] = psxBios_getc; | |
2957 | //biosB0[0x3b] = psxBios_putc; | |
2958 | biosB0[0x3c] = psxBios_getchar; | |
2959 | //biosB0[0x3e] = psxBios_gets; | |
2960 | //biosB0[0x40] = psxBios_cd; | |
e7e1f572 | 2961 | biosB0[0x41] = psxBios_format; |
ef79bbde P |
2962 | biosB0[0x42] = psxBios_firstfile; |
2963 | biosB0[0x43] = psxBios_nextfile; | |
2964 | biosB0[0x44] = psxBios_rename; | |
2965 | biosB0[0x45] = psxBios_delete; | |
2966 | //biosB0[0x46] = psxBios_undelete; | |
2967 | //biosB0[0x47] = psxBios_AddDevice; | |
2968 | //biosB0[0x48] = psxBios_RemoteDevice; | |
2969 | //biosB0[0x49] = psxBios_PrintInstalledDevices; | |
2970 | biosB0[0x4a] = psxBios_InitCARD; | |
2971 | biosB0[0x4b] = psxBios_StartCARD; | |
2972 | biosB0[0x4c] = psxBios_StopCARD; | |
2973 | //biosB0[0x4d] = psxBios_sys_b0_4d; | |
2974 | biosB0[0x4e] = psxBios__card_write; | |
2975 | biosB0[0x4f] = psxBios__card_read; | |
2976 | biosB0[0x50] = psxBios__new_card; | |
2977 | biosB0[0x51] = psxBios_Krom2RawAdd; | |
2978 | //biosB0[0x52] = psxBios_sys_b0_52; | |
2979 | //biosB0[0x53] = psxBios_sys_b0_53; | |
2980 | //biosB0[0x54] = psxBios__get_errno; | |
002b2f7d | 2981 | biosB0[0x55] = psxBios__get_error; |
ef79bbde P |
2982 | biosB0[0x56] = psxBios_GetC0Table; |
2983 | biosB0[0x57] = psxBios_GetB0Table; | |
e9fda093 | 2984 | biosB0[0x58] = psxBios__card_chan; |
ef79bbde P |
2985 | //biosB0[0x59] = psxBios_sys_b0_59; |
2986 | //biosB0[0x5a] = psxBios_sys_b0_5a; | |
2987 | biosB0[0x5b] = psxBios_ChangeClearPad; | |
21af3ff6 | 2988 | biosB0[0x5c] = psxBios__card_status; |
5f652aa9 | 2989 | biosB0[0x5d] = psxBios__card_wait; |
ef79bbde P |
2990 | //*******************C0 CALLS**************************** |
2991 | //biosC0[0x00] = psxBios_InitRCnt; | |
2992 | //biosC0[0x01] = psxBios_InitException; | |
2993 | biosC0[0x02] = psxBios_SysEnqIntRP; | |
2994 | biosC0[0x03] = psxBios_SysDeqIntRP; | |
2995 | //biosC0[0x04] = psxBios_get_free_EvCB_slot; | |
2996 | //biosC0[0x05] = psxBios_get_free_TCB_slot; | |
2997 | //biosC0[0x06] = psxBios_ExceptionHandler; | |
2998 | //biosC0[0x07] = psxBios_InstallExeptionHandler; | |
2999 | //biosC0[0x08] = psxBios_SysInitMemory; | |
3000 | //biosC0[0x09] = psxBios_SysInitKMem; | |
3001 | biosC0[0x0a] = psxBios_ChangeClearRCnt; | |
3002 | //biosC0[0x0b] = psxBios_SystemError; | |
3003 | //biosC0[0x0c] = psxBios_InitDefInt; | |
3004 | //biosC0[0x0d] = psxBios_sys_c0_0d; | |
3005 | //biosC0[0x0e] = psxBios_sys_c0_0e; | |
3006 | //biosC0[0x0f] = psxBios_sys_c0_0f; | |
3007 | //biosC0[0x10] = psxBios_sys_c0_10; | |
3008 | //biosC0[0x11] = psxBios_sys_c0_11; | |
3009 | //biosC0[0x12] = psxBios_InstallDevices; | |
3010 | //biosC0[0x13] = psxBios_FlushStfInOutPut; | |
3011 | //biosC0[0x14] = psxBios_sys_c0_14; | |
3012 | //biosC0[0x15] = psxBios__cdevinput; | |
3013 | //biosC0[0x16] = psxBios__cdevscan; | |
3014 | //biosC0[0x17] = psxBios__circgetc; | |
3015 | //biosC0[0x18] = psxBios__circputc; | |
3016 | //biosC0[0x19] = psxBios_ioabort; | |
3017 | //biosC0[0x1a] = psxBios_sys_c0_1a | |
3018 | //biosC0[0x1b] = psxBios_KernelRedirect; | |
3019 | //biosC0[0x1c] = psxBios_PatchAOTable; | |
3020 | //************** THE END *************************************** | |
3021 | /**/ | |
3022 | base = 0x1000; | |
3023 | size = sizeof(EvCB) * 32; | |
3024 | Event = (void *)&psxR[base]; base += size * 6; | |
3025 | memset(Event, 0, size * 6); | |
3026 | HwEV = Event; | |
3027 | EvEV = Event + 32; | |
3028 | RcEV = Event + 32 * 2; | |
3029 | UeEV = Event + 32 * 3; | |
3030 | SwEV = Event + 32 * 4; | |
3031 | ThEV = Event + 32 * 5; | |
3032 | ||
3033 | ptr = (u32 *)&psxM[0x0874]; // b0 table | |
3034 | ptr[0] = SWAPu32(0x4c54 - 0x884); | |
3035 | ||
3036 | ptr = (u32 *)&psxM[0x0674]; // c0 table | |
3037 | ptr[6] = SWAPu32(0xc80); | |
3038 | ||
3039 | memset(SysIntRP, 0, sizeof(SysIntRP)); | |
3040 | memset(Thread, 0, sizeof(Thread)); | |
3041 | Thread[0].status = 2; // main thread | |
3042 | ||
832f0c3c | 3043 | pad_stopped = 1; |
c62b43c9 | 3044 | jmp_int = NULL; |
3045 | pad_buf = NULL; | |
3046 | pad_buf1 = NULL; | |
3047 | pad_buf2 = NULL; | |
3048 | pad_buf1len = pad_buf2len = 0; | |
3049 | heap_addr = NULL; | |
3050 | heap_end = NULL; | |
26b964b5 | 3051 | heap_size = 0; |
c62b43c9 | 3052 | CardState = -1; |
3053 | CurThread = 0; | |
3054 | memset(FDesc, 0, sizeof(FDesc)); | |
832f0c3c | 3055 | card_active_chan = 0; |
c62b43c9 | 3056 | |
ef79bbde P |
3057 | psxMu32ref(0x0150) = SWAPu32(0x160); |
3058 | psxMu32ref(0x0154) = SWAPu32(0x320); | |
3059 | psxMu32ref(0x0160) = SWAPu32(0x248); | |
3060 | strcpy((char *)&psxM[0x248], "bu"); | |
3061 | /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004); | |
3062 | psxMu32ref(0x0cf0) = SWAPu32(0x3c020000); | |
3063 | psxMu32ref(0x0cf4) = SWAPu32(0x2442641c); | |
3064 | psxMu32ref(0x09e0) = SWAPu32(0x43d0); | |
3065 | psxMu32ref(0x4d98) = SWAPu32(0x946f000a); | |
3066 | */ | |
3067 | // opcode HLE | |
3068 | psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4); | |
bf643fd9 | 3069 | /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch. |
3070 | Normally games shouldn't read from address 0 yet they do. See explanation below in details. */ | |
3071 | //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0); | |
ef79bbde P |
3072 | psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1); |
3073 | psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2); | |
3074 | psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3); | |
3075 | psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0); | |
3076 | psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5); | |
3077 | psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0); | |
3078 | psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0); | |
3079 | psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0); | |
3080 | ||
3081 | // initial stack pointer for BIOS interrupt | |
3082 | psxMu32ref(0x6c80) = SWAPu32(0x000085c8); | |
3083 | ||
3084 | // initial RNG seed | |
3085 | psxMu32ref(0x9010) = SWAPu32(0xac20cc00); | |
3086 | ||
3087 | // fonts | |
3088 | len = 0x80000 - 0x66000; | |
3089 | uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); | |
3090 | len = 0x80000 - 0x69d68; | |
3091 | uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f)); | |
3092 | ||
3093 | // memory size 2 MB | |
3094 | psxHu32ref(0x1060) = SWAPu32(0x00000b88); | |
3095 | ||
3096 | hleSoftCall = FALSE; | |
bf643fd9 | 3097 | |
3098 | /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers. | |
3099 | See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information. | |
339cc5b6 | 3100 | Here are some examples of games not working with this fix in place : |
3101 | R-type won't get past the Irem logo if not implemented. | |
3102 | Crash Team Racing will softlock after the Sony logo. | |
bf643fd9 | 3103 | */ |
339cc5b6 | 3104 | |
3105 | psxMu32ref(0x0000) = SWAPu32(0x00000003); | |
3106 | /* | |
3107 | But overwritten by 00000003h after soon. | |
3108 | psxMu32ref(0x0000) = SWAPu32(0x00001A3C); | |
3109 | */ | |
3110 | psxMu32ref(0x0004) = SWAPu32(0x800C5A27); | |
3111 | psxMu32ref(0x0008) = SWAPu32(0x08000403); | |
3112 | psxMu32ref(0x000C) = SWAPu32(0x00000000); | |
ef79bbde P |
3113 | } |
3114 | ||
3115 | void psxBiosShutdown() { | |
3116 | } | |
3117 | ||
3118 | #define psxBios_PADpoll(pad) { \ | |
3119 | PAD##pad##_startPoll(pad); \ | |
3120 | pad_buf##pad[0] = 0; \ | |
3121 | pad_buf##pad[1] = PAD##pad##_poll(0x42); \ | |
3122 | if (!(pad_buf##pad[1] & 0x0f)) { \ | |
3123 | bufcount = 32; \ | |
3124 | } else { \ | |
3125 | bufcount = (pad_buf##pad[1] & 0x0f) * 2; \ | |
3126 | } \ | |
3127 | PAD##pad##_poll(0); \ | |
3128 | i = 2; \ | |
3129 | while (bufcount--) { \ | |
3130 | pad_buf##pad[i++] = PAD##pad##_poll(0); \ | |
3131 | } \ | |
3132 | } | |
3133 | ||
3134 | void biosInterrupt() { | |
3135 | int i, bufcount; | |
3136 | ||
3137 | // if (psxHu32(0x1070) & 0x1) { // Vsync | |
3138 | if (pad_buf != NULL) { | |
3139 | u32 *buf = (u32*)pad_buf; | |
3140 | ||
3141 | if (!Config.UseNet) { | |
3142 | PAD1_startPoll(1); | |
3143 | if (PAD1_poll(0x42) == 0x23) { | |
3144 | PAD1_poll(0); | |
3145 | *buf = PAD1_poll(0) << 8; | |
3146 | *buf |= PAD1_poll(0); | |
3147 | PAD1_poll(0); | |
3148 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); | |
3149 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); | |
3150 | } else { | |
3151 | PAD1_poll(0); | |
3152 | *buf = PAD1_poll(0) << 8; | |
3153 | *buf|= PAD1_poll(0); | |
3154 | } | |
3155 | ||
3156 | PAD2_startPoll(2); | |
3157 | if (PAD2_poll(0x42) == 0x23) { | |
3158 | PAD2_poll(0); | |
3159 | *buf |= PAD2_poll(0) << 24; | |
3160 | *buf |= PAD2_poll(0) << 16; | |
3161 | PAD2_poll(0); | |
3162 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); | |
3163 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); | |
3164 | } else { | |
3165 | PAD2_poll(0); | |
3166 | *buf |= PAD2_poll(0) << 24; | |
3167 | *buf |= PAD2_poll(0) << 16; | |
3168 | } | |
3169 | } else { | |
3170 | u16 data; | |
3171 | ||
3172 | PAD1_startPoll(1); | |
3173 | PAD1_poll(0x42); | |
3174 | PAD1_poll(0); | |
3175 | data = PAD1_poll(0) << 8; | |
3176 | data |= PAD1_poll(0); | |
3177 | ||
3178 | if (NET_sendPadData(&data, 2) == -1) | |
3179 | netError(); | |
3180 | ||
3181 | if (NET_recvPadData(&((u16*)buf)[0], 1) == -1) | |
3182 | netError(); | |
3183 | if (NET_recvPadData(&((u16*)buf)[1], 2) == -1) | |
3184 | netError(); | |
3185 | } | |
3186 | } | |
3187 | if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) { | |
3188 | psxBios_PADpoll(1); | |
3189 | ||
3190 | if (NET_sendPadData(pad_buf1, i) == -1) | |
3191 | netError(); | |
3192 | ||
3193 | if (NET_recvPadData(pad_buf1, 1) == -1) | |
3194 | netError(); | |
3195 | if (NET_recvPadData(pad_buf2, 2) == -1) | |
3196 | netError(); | |
3197 | } else { | |
f25c285b | 3198 | if (!pad_stopped) { |
3199 | if (pad_buf1) { | |
3200 | psxBios_PADpoll(1); | |
3201 | } | |
ef79bbde | 3202 | |
f25c285b | 3203 | if (pad_buf2) { |
3204 | psxBios_PADpoll(2); | |
3205 | } | |
ef79bbde P |
3206 | } |
3207 | } | |
3208 | ||
3209 | if (psxHu32(0x1070) & 0x1) { // Vsync | |
3210 | if (RcEV[3][1].status == EvStACTIVE) { | |
3211 | softCall(RcEV[3][1].fhandler); | |
3212 | // hwWrite32(0x1f801070, ~(1)); | |
3213 | } | |
3214 | } | |
3215 | ||
3216 | if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2 | |
3217 | int i; | |
3218 | ||
3219 | for (i = 0; i < 3; i++) { | |
3220 | if (psxHu32(0x1070) & (1 << (i + 4))) { | |
3221 | if (RcEV[i][1].status == EvStACTIVE) { | |
3222 | softCall(RcEV[i][1].fhandler); | |
3223 | } | |
3224 | psxHwWrite32(0x1f801070, ~(1 << (i + 4))); | |
3225 | } | |
3226 | } | |
3227 | } | |
3228 | } | |
3229 | ||
3230 | void psxBiosException() { | |
3231 | int i; | |
3232 | ||
3233 | switch (psxRegs.CP0.n.Cause & 0x3c) { | |
3234 | case 0x00: // Interrupt | |
f23c2241 | 3235 | interrupt_r26=psxRegs.CP0.n.EPC; |
ef79bbde P |
3236 | #ifdef PSXCPU_LOG |
3237 | // PSXCPU_LOG("interrupt\n"); | |
3238 | #endif | |
3239 | SaveRegs(); | |
3240 | ||
3241 | sp = psxMu32(0x6c80); // create new stack for interrupt handlers | |
3242 | ||
3243 | biosInterrupt(); | |
3244 | ||
3245 | for (i = 0; i < 8; i++) { | |
3246 | if (SysIntRP[i]) { | |
3247 | u32 *queue = (u32 *)PSXM(SysIntRP[i]); | |
3248 | ||
3249 | s0 = queue[2]; | |
3250 | softCall(queue[1]); | |
3251 | } | |
3252 | } | |
3253 | ||
3254 | if (jmp_int != NULL) { | |
3255 | int i; | |
3256 | ||
3257 | psxHwWrite32(0x1f801070, 0xffffffff); | |
3258 | ||
3259 | ra = jmp_int[0]; | |
3260 | sp = jmp_int[1]; | |
3261 | fp = jmp_int[2]; | |
3262 | for (i = 0; i < 8; i++) // s0-s7 | |
3263 | psxRegs.GPR.r[16 + i] = jmp_int[3 + i]; | |
3264 | gp = jmp_int[11]; | |
3265 | ||
3266 | v0 = 1; | |
3267 | pc0 = ra; | |
3268 | return; | |
3269 | } | |
3270 | psxHwWrite16(0x1f801070, 0); | |
3271 | break; | |
3272 | ||
3273 | case 0x20: // Syscall | |
3274 | #ifdef PSXCPU_LOG | |
3275 | PSXCPU_LOG("syscall exp %x\n", a0); | |
3276 | #endif | |
3277 | switch (a0) { | |
3278 | case 1: // EnterCritical - disable irq's | |
79dad1b3 | 3279 | /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */ |
3280 | v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404; | |
3281 | psxRegs.CP0.n.Status &= ~0x404; | |
ef79bbde P |
3282 | break; |
3283 | ||
3284 | case 2: // ExitCritical - enable irq's | |
3285 | psxRegs.CP0.n.Status |= 0x404; | |
3286 | break; | |
a946d159 | 3287 | /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */ |
3288 | default: | |
3289 | break; | |
ef79bbde P |
3290 | } |
3291 | pc0 = psxRegs.CP0.n.EPC + 4; | |
3292 | ||
3293 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
3294 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
3295 | return; | |
3296 | ||
3297 | default: | |
3298 | #ifdef PSXCPU_LOG | |
3299 | PSXCPU_LOG("unknown bios exception!\n"); | |
3300 | #endif | |
3301 | break; | |
3302 | } | |
3303 | ||
3304 | pc0 = psxRegs.CP0.n.EPC; | |
3305 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4; | |
3306 | ||
3307 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
3308 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
3309 | } | |
3310 | ||
3311 | #define bfreeze(ptr, size) { \ | |
3312 | if (Mode == 1) memcpy(&psxR[base], ptr, size); \ | |
3313 | if (Mode == 0) memcpy(ptr, &psxR[base], size); \ | |
3314 | base += size; \ | |
3315 | } | |
3316 | ||
3317 | #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) | |
3318 | #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) | |
3319 | ||
3320 | #define bfreezepsxMptr(ptr, type) { \ | |
3321 | if (Mode == 1) { \ | |
3322 | if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ | |
3323 | else psxRu32ref(base) = 0; \ | |
3324 | } else { \ | |
3325 | if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ | |
3326 | else (ptr) = NULL; \ | |
3327 | } \ | |
3328 | base += sizeof(u32); \ | |
3329 | } | |
3330 | ||
3331 | void psxBiosFreeze(int Mode) { | |
3332 | u32 base = 0x40000; | |
3333 | ||
3334 | bfreezepsxMptr(jmp_int, u32); | |
3335 | bfreezepsxMptr(pad_buf, int); | |
3336 | bfreezepsxMptr(pad_buf1, char); | |
3337 | bfreezepsxMptr(pad_buf2, char); | |
3338 | bfreezepsxMptr(heap_addr, u32); | |
3339 | bfreezel(&pad_buf1len); | |
3340 | bfreezel(&pad_buf2len); | |
3341 | bfreezes(regs); | |
3342 | bfreezes(SysIntRP); | |
3343 | bfreezel(&CardState); | |
3344 | bfreezes(Thread); | |
3345 | bfreezel(&CurThread); | |
3346 | bfreezes(FDesc); | |
e9fda093 | 3347 | bfreezel(&card_active_chan); |
a15f3544 | 3348 | bfreezel(&pad_stopped); |
17b2d969 | 3349 | bfreezel(&heap_size); |
ef79bbde | 3350 | } |