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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | /* | |
21 | * Internal simulated HLE BIOS. | |
22 | */ | |
23 | ||
24 | // TODO: implement all system calls, count the exact CPU cycles of system calls. | |
25 | ||
26 | #include "psxbios.h" | |
27 | #include "psxhw.h" | |
ddbaf678 | 28 | #include "gpu.h" |
496d88d4 | 29 | #include <zlib.h> |
ef79bbde | 30 | |
452b85f9 | 31 | #undef SysPrintf |
32 | #define SysPrintf if (Config.PsxOut) printf | |
33 | ||
ef79bbde P |
34 | char *biosA0n[256] = { |
35 | // 0x00 | |
36 | "open", "lseek", "read", "write", | |
37 | "close", "ioctl", "exit", "sys_a0_07", | |
38 | "getc", "putc", "todigit", "atof", | |
39 | "strtoul", "strtol", "abs", "labs", | |
40 | // 0x10 | |
41 | "atoi", "atol", "atob", "setjmp", | |
42 | "longjmp", "strcat", "strncat", "strcmp", | |
43 | "strncmp", "strcpy", "strncpy", "strlen", | |
44 | "index", "rindex", "strchr", "strrchr", | |
45 | // 0x20 | |
46 | "strpbrk", "strspn", "strcspn", "strtok", | |
47 | "strstr", "toupper", "tolower", "bcopy", | |
48 | "bzero", "bcmp", "memcpy", "memset", | |
49 | "memmove", "memcmp", "memchr", "rand", | |
50 | // 0x30 | |
51 | "srand", "qsort", "strtod", "malloc", | |
52 | "free", "lsearch", "bsearch", "calloc", | |
53 | "realloc", "InitHeap", "_exit", "getchar", | |
54 | "putchar", "gets", "puts", "printf", | |
55 | // 0x40 | |
56 | "sys_a0_40", "LoadTest", "Load", "Exec", | |
57 | "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", | |
58 | "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", | |
59 | "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", | |
60 | // 0x50 | |
61 | "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", | |
62 | "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", | |
63 | "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", | |
64 | "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", | |
65 | // 0x60 | |
66 | "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", | |
67 | "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", | |
68 | "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", | |
69 | "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", | |
70 | // 0x70 | |
71 | "_bu_init", "_96_init", "_96_remove", "sys_a0_73", | |
72 | "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", | |
73 | "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", | |
74 | "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", | |
75 | // 0x80 | |
76 | "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", | |
77 | "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", | |
78 | "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", | |
79 | "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", | |
80 | // 0x90 | |
81 | "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", | |
82 | "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", | |
83 | "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", | |
84 | "SetConf", "GetConf", "sys_a0_9e", "SetMem", | |
85 | // 0xa0 | |
86 | "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", | |
87 | "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", | |
88 | "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", | |
89 | "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", | |
90 | // 0xb0 | |
91 | "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", | |
92 | "?? sub_function", | |
93 | }; | |
94 | ||
95 | char *biosB0n[256] = { | |
96 | // 0x00 | |
97 | "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", | |
98 | "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", | |
99 | "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", | |
100 | "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", | |
101 | // 0x10 | |
102 | "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", | |
103 | "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", | |
104 | "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", | |
105 | "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", | |
106 | // 0x20 | |
107 | "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", | |
108 | "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", | |
109 | "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", | |
110 | "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", | |
111 | // 0x30 | |
112 | "sys_b0_30", "sys_b0_31", "open", "lseek", | |
113 | "read", "write", "close", "ioctl", | |
114 | "exit", "sys_b0_39", "getc", "putc", | |
115 | "getchar", "putchar", "gets", "puts", | |
116 | // 0x40 | |
117 | "cd", "format", "firstfile", "nextfile", | |
118 | "rename", "delete", "undelete", "AddDevice", | |
119 | "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", | |
120 | "StopCARD", "sys_b0_4d", "_card_write", "_card_read", | |
121 | // 0x50 | |
122 | "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", | |
123 | "_get_errno", "_get_error", "GetC0Table", "GetB0Table", | |
124 | "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", | |
125 | "_card_status", "_card_wait", | |
126 | }; | |
127 | ||
128 | char *biosC0n[256] = { | |
129 | // 0x00 | |
130 | "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", | |
131 | "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", | |
132 | "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", | |
133 | "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", | |
134 | // 0x10 | |
135 | "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", | |
136 | "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", | |
137 | "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", | |
138 | "PatchAOTable", | |
139 | }; | |
140 | ||
141 | //#define r0 (psxRegs.GPR.n.r0) | |
142 | #define at (psxRegs.GPR.n.at) | |
143 | #define v0 (psxRegs.GPR.n.v0) | |
144 | #define v1 (psxRegs.GPR.n.v1) | |
145 | #define a0 (psxRegs.GPR.n.a0) | |
146 | #define a1 (psxRegs.GPR.n.a1) | |
147 | #define a2 (psxRegs.GPR.n.a2) | |
148 | #define a3 (psxRegs.GPR.n.a3) | |
149 | #define t0 (psxRegs.GPR.n.t0) | |
150 | #define t1 (psxRegs.GPR.n.t1) | |
151 | #define t2 (psxRegs.GPR.n.t2) | |
152 | #define t3 (psxRegs.GPR.n.t3) | |
153 | #define t4 (psxRegs.GPR.n.t4) | |
154 | #define t5 (psxRegs.GPR.n.t5) | |
155 | #define t6 (psxRegs.GPR.n.t6) | |
156 | #define t7 (psxRegs.GPR.n.t7) | |
157 | #define t8 (psxRegs.GPR.n.t8) | |
158 | #define t9 (psxRegs.GPR.n.t9) | |
159 | #define s0 (psxRegs.GPR.n.s0) | |
160 | #define s1 (psxRegs.GPR.n.s1) | |
161 | #define s2 (psxRegs.GPR.n.s2) | |
162 | #define s3 (psxRegs.GPR.n.s3) | |
163 | #define s4 (psxRegs.GPR.n.s4) | |
164 | #define s5 (psxRegs.GPR.n.s5) | |
165 | #define s6 (psxRegs.GPR.n.s6) | |
166 | #define s7 (psxRegs.GPR.n.s7) | |
167 | #define k0 (psxRegs.GPR.n.k0) | |
168 | #define k1 (psxRegs.GPR.n.k1) | |
169 | #define gp (psxRegs.GPR.n.gp) | |
170 | #define sp (psxRegs.GPR.n.sp) | |
171 | #define fp (psxRegs.GPR.n.s8) | |
172 | #define ra (psxRegs.GPR.n.ra) | |
173 | #define pc0 (psxRegs.pc) | |
174 | ||
175 | #define Ra0 ((char *)PSXM(a0)) | |
176 | #define Ra1 ((char *)PSXM(a1)) | |
177 | #define Ra2 ((char *)PSXM(a2)) | |
178 | #define Ra3 ((char *)PSXM(a3)) | |
179 | #define Rv0 ((char *)PSXM(v0)) | |
180 | #define Rsp ((char *)PSXM(sp)) | |
181 | ||
182 | typedef struct { | |
183 | u32 desc; | |
184 | s32 status; | |
185 | s32 mode; | |
186 | u32 fhandler; | |
187 | } EvCB[32]; | |
188 | ||
189 | #define EvStUNUSED 0x0000 | |
190 | #define EvStWAIT 0x1000 | |
191 | #define EvStACTIVE 0x2000 | |
192 | #define EvStALREADY 0x4000 | |
193 | ||
194 | #define EvMdINTR 0x1000 | |
195 | #define EvMdNOINTR 0x2000 | |
196 | ||
197 | /* | |
198 | typedef struct { | |
199 | s32 next; | |
200 | s32 func1; | |
201 | s32 func2; | |
202 | s32 pad; | |
203 | } SysRPst; | |
204 | */ | |
205 | ||
206 | typedef struct { | |
207 | s32 status; | |
208 | s32 mode; | |
209 | u32 reg[32]; | |
210 | u32 func; | |
211 | } TCB; | |
212 | ||
213 | typedef struct { | |
214 | u32 _pc0; | |
215 | u32 gp0; | |
216 | u32 t_addr; | |
217 | u32 t_size; | |
218 | u32 d_addr; | |
219 | u32 d_size; | |
220 | u32 b_addr; | |
221 | u32 b_size; | |
222 | u32 S_addr; | |
223 | u32 s_size; | |
224 | u32 _sp, _fp, _gp, ret, base; | |
225 | } EXEC; | |
226 | ||
227 | struct DIRENTRY { | |
228 | char name[20]; | |
229 | s32 attr; | |
230 | s32 size; | |
231 | u32 next; | |
232 | s32 head; | |
233 | char system[4]; | |
234 | }; | |
235 | ||
236 | typedef struct { | |
237 | char name[32]; | |
238 | u32 mode; | |
239 | u32 offset; | |
240 | u32 size; | |
241 | u32 mcfile; | |
242 | } FileDesc; | |
243 | ||
244 | static u32 *jmp_int = NULL; | |
245 | static int *pad_buf = NULL; | |
246 | static char *pad_buf1 = NULL, *pad_buf2 = NULL; | |
247 | static int pad_buf1len, pad_buf2len; | |
248 | ||
249 | static u32 regs[35]; | |
250 | static EvCB *Event; | |
251 | static EvCB *HwEV; // 0xf0 | |
252 | static EvCB *EvEV; // 0xf1 | |
253 | static EvCB *RcEV; // 0xf2 | |
254 | static EvCB *UeEV; // 0xf3 | |
255 | static EvCB *SwEV; // 0xf4 | |
256 | static EvCB *ThEV; // 0xff | |
26b964b5 | 257 | static u32 heap_size = 0; |
ef79bbde P |
258 | static u32 *heap_addr = NULL; |
259 | static u32 *heap_end = NULL; | |
260 | static u32 SysIntRP[8]; | |
261 | static int CardState = -1; | |
262 | static TCB Thread[8]; | |
263 | static int CurThread = 0; | |
264 | static FileDesc FDesc[32]; | |
e9fda093 | 265 | static u32 card_active_chan; |
ef79bbde P |
266 | |
267 | boolean hleSoftCall = FALSE; | |
268 | ||
269 | static inline void softCall(u32 pc) { | |
270 | pc0 = pc; | |
271 | ra = 0x80001000; | |
272 | ||
273 | hleSoftCall = TRUE; | |
274 | ||
275 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); | |
276 | ||
277 | hleSoftCall = FALSE; | |
278 | } | |
279 | ||
280 | static inline void softCall2(u32 pc) { | |
281 | u32 sra = ra; | |
282 | pc0 = pc; | |
283 | ra = 0x80001000; | |
284 | ||
285 | hleSoftCall = TRUE; | |
286 | ||
287 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); | |
288 | ra = sra; | |
289 | ||
290 | hleSoftCall = FALSE; | |
291 | } | |
292 | ||
293 | static inline void DeliverEvent(u32 ev, u32 spec) { | |
294 | if (Event[ev][spec].status != EvStACTIVE) return; | |
295 | ||
296 | // Event[ev][spec].status = EvStALREADY; | |
297 | if (Event[ev][spec].mode == EvMdINTR) { | |
298 | softCall2(Event[ev][spec].fhandler); | |
299 | } else Event[ev][spec].status = EvStALREADY; | |
300 | } | |
301 | ||
302 | static inline void SaveRegs() { | |
303 | memcpy(regs, psxRegs.GPR.r, 32*4); | |
304 | regs[32] = psxRegs.GPR.n.lo; | |
305 | regs[33] = psxRegs.GPR.n.hi; | |
306 | regs[34] = psxRegs.pc; | |
307 | } | |
308 | ||
309 | static inline void LoadRegs() { | |
310 | memcpy(psxRegs.GPR.r, regs, 32*4); | |
311 | psxRegs.GPR.n.lo = regs[32]; | |
312 | psxRegs.GPR.n.hi = regs[33]; | |
313 | } | |
314 | ||
315 | /* * | |
316 | // * | |
317 | // * | |
318 | // System calls A0 */ | |
319 | ||
d99f6068 | 320 | |
321 | #define buread(Ra1, mcd, length) { \ | |
322 | 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); \ | |
323 | ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
324 | memcpy(Ra1, ptr, length); \ | |
325 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ | |
326 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
327 | if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \ | |
328 | else v0 = length; \ | |
329 | FDesc[1 + mcd].offset += v0; \ | |
330 | } | |
331 | ||
332 | #define buwrite(Ra1, mcd, length) { \ | |
333 | u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
334 | SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ | |
335 | ptr = Mcd##mcd##Data + offset; \ | |
336 | memcpy(ptr, Ra1, length); \ | |
337 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ | |
338 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
339 | FDesc[1 + mcd].offset += length; \ | |
340 | if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \ | |
341 | else v0 = length; \ | |
342 | } | |
343 | ||
344 | ||
324cec89 | 345 | /* Internally redirects to "FileRead(fd,tempbuf,1)".*/ |
346 | /* For some strange reason, the returned character is sign-expanded; */ | |
347 | /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */ | |
348 | /* TODO FIX ME : Properly implement this behaviour */ | |
349 | void psxBios_getc(void) // 0x03, 0x35 | |
350 | { | |
d99f6068 | 351 | char *ptr; |
324cec89 | 352 | void *pa1 = Ra1; |
353 | #ifdef PSXBIOS_LOG | |
354 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]); | |
355 | #endif | |
356 | v0 = -1; | |
357 | ||
358 | if (pa1) { | |
359 | switch (a0) { | |
360 | case 2: buread(pa1, 1, 1); break; | |
361 | case 3: buread(pa1, 2, 1); break; | |
362 | } | |
363 | } | |
364 | ||
365 | pc0 = ra; | |
366 | } | |
367 | ||
368 | /* Copy of psxBios_write, except size is 1. */ | |
369 | void psxBios_putc(void) // 0x09, 0x3B | |
370 | { | |
d99f6068 | 371 | char *ptr; |
324cec89 | 372 | void *pa1 = Ra1; |
373 | #ifdef PSXBIOS_LOG | |
374 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]); | |
375 | #endif | |
376 | v0 = -1; | |
377 | if (!pa1) { | |
378 | pc0 = ra; | |
379 | return; | |
380 | } | |
381 | ||
382 | if (a0 == 1) { // stdout | |
383 | char *ptr = (char *)pa1; | |
384 | ||
385 | v0 = a2; | |
386 | while (a2 > 0) { | |
387 | printf("%c", *ptr++); a2--; | |
388 | } | |
389 | pc0 = ra; return; | |
390 | } | |
391 | ||
392 | switch (a0) { | |
393 | case 2: buwrite(pa1, 1, 1); break; | |
394 | case 3: buwrite(pa1, 2, 1); break; | |
395 | } | |
396 | ||
397 | pc0 = ra; | |
398 | } | |
ef79bbde | 399 | |
ba11675c | 400 | void psxBios_todigit(void) // 0x0a |
401 | { | |
402 | int c = a0; | |
403 | #ifdef PSXBIOS_LOG | |
404 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]); | |
405 | #endif | |
406 | c &= 0xFF; | |
407 | if (c >= 0x30 && c < 0x3A) { | |
408 | c -= 0x30; | |
409 | } | |
410 | else if (c > 0x60 && c < 0x7B) { | |
411 | c -= 0x20; | |
412 | } | |
413 | else if (c > 0x40 && c < 0x5B) { | |
414 | c = c - 0x41 + 10; | |
415 | } | |
416 | else if (c >= 0x80) { | |
417 | c = -1; | |
418 | } | |
419 | else | |
420 | { | |
421 | c = 0x0098967F; | |
422 | } | |
423 | v0 = c; | |
424 | pc0 = ra; | |
425 | } | |
426 | ||
ef79bbde P |
427 | void psxBios_abs() { // 0x0e |
428 | if ((s32)a0 < 0) v0 = -(s32)a0; | |
429 | else v0 = a0; | |
430 | pc0 = ra; | |
431 | } | |
432 | ||
433 | void psxBios_labs() { // 0x0f | |
434 | psxBios_abs(); | |
435 | } | |
436 | ||
437 | void psxBios_atoi() { // 0x10 | |
438 | s32 n = 0, f = 0; | |
439 | char *p = (char *)Ra0; | |
440 | ||
441 | for (;;p++) { | |
442 | switch (*p) { | |
443 | case ' ': case '\t': continue; | |
444 | case '-': f++; | |
445 | case '+': p++; | |
446 | } | |
447 | break; | |
448 | } | |
449 | ||
450 | while (*p >= '0' && *p <= '9') { | |
451 | n = n * 10 + *p++ - '0'; | |
452 | } | |
453 | ||
454 | v0 = (f ? -n : n); | |
455 | pc0 = ra; | |
456 | } | |
457 | ||
458 | void psxBios_atol() { // 0x11 | |
459 | psxBios_atoi(); | |
460 | } | |
461 | ||
462 | void psxBios_setjmp() { // 0x13 | |
463 | u32 *jmp_buf = (u32 *)Ra0; | |
464 | int i; | |
465 | ||
466 | #ifdef PSXBIOS_LOG | |
467 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]); | |
468 | #endif | |
469 | ||
470 | jmp_buf[0] = ra; | |
471 | jmp_buf[1] = sp; | |
472 | jmp_buf[2] = fp; | |
473 | for (i = 0; i < 8; i++) // s0-s7 | |
474 | jmp_buf[3 + i] = psxRegs.GPR.r[16 + i]; | |
475 | jmp_buf[11] = gp; | |
476 | ||
477 | v0 = 0; pc0 = ra; | |
478 | } | |
479 | ||
480 | void psxBios_longjmp() { // 0x14 | |
481 | u32 *jmp_buf = (u32 *)Ra0; | |
482 | int i; | |
483 | ||
484 | #ifdef PSXBIOS_LOG | |
485 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); | |
486 | #endif | |
487 | ||
488 | ra = jmp_buf[0]; /* ra */ | |
489 | sp = jmp_buf[1]; /* sp */ | |
490 | fp = jmp_buf[2]; /* fp */ | |
491 | for (i = 0; i < 8; i++) // s0-s7 | |
492 | psxRegs.GPR.r[16 + i] = jmp_buf[3 + i]; | |
493 | gp = jmp_buf[11]; /* gp */ | |
494 | ||
495 | v0 = a1; pc0 = ra; | |
496 | } | |
497 | ||
498 | void psxBios_strcat() { // 0x15 | |
499 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
500 | ||
501 | #ifdef PSXBIOS_LOG | |
502 | PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); | |
503 | #endif | |
bee52312 | 504 | if (a0 == 0 || a1 == 0) |
505 | { | |
506 | v0 = 0; | |
507 | pc0 = ra; | |
508 | return; | |
509 | } | |
ef79bbde P |
510 | while (*p1++); |
511 | --p1; | |
512 | while ((*p1++ = *p2++) != '\0'); | |
513 | ||
514 | v0 = a0; pc0 = ra; | |
515 | } | |
516 | ||
517 | void psxBios_strncat() { // 0x16 | |
518 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
519 | s32 n = a2; | |
520 | ||
521 | #ifdef PSXBIOS_LOG | |
522 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); | |
523 | #endif | |
f42e1e90 | 524 | if (a0 == 0 || a1 == 0) |
525 | { | |
526 | v0 = 0; | |
527 | pc0 = ra; | |
528 | return; | |
529 | } | |
ef79bbde P |
530 | while (*p1++); |
531 | --p1; | |
532 | while ((*p1++ = *p2++) != '\0') { | |
533 | if (--n < 0) { | |
534 | *--p1 = '\0'; | |
535 | break; | |
536 | } | |
537 | } | |
538 | ||
539 | v0 = a0; pc0 = ra; | |
540 | } | |
541 | ||
542 | void psxBios_strcmp() { // 0x17 | |
543 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
544 | ||
545 | #ifdef PSXBIOS_LOG | |
546 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); | |
547 | #endif | |
548 | ||
549 | while (*p1 == *p2++) { | |
550 | if (*p1++ == '\0') { | |
551 | v0 = 0; | |
552 | pc0 = ra; | |
553 | return; | |
554 | } | |
555 | } | |
556 | ||
557 | v0 = (*p1 - *--p2); | |
558 | pc0 = ra; | |
559 | } | |
560 | ||
561 | void psxBios_strncmp() { // 0x18 | |
562 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
563 | s32 n = a2; | |
564 | ||
565 | #ifdef PSXBIOS_LOG | |
566 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); | |
567 | #endif | |
568 | ||
569 | while (--n >= 0 && *p1 == *p2++) { | |
570 | if (*p1++ == '\0') { | |
571 | v0 = 0; | |
572 | pc0 = ra; | |
573 | return; | |
574 | } | |
575 | } | |
576 | ||
577 | v0 = (n < 0 ? 0 : *p1 - *--p2); | |
578 | pc0 = ra; | |
579 | } | |
580 | ||
581 | void psxBios_strcpy() { // 0x19 | |
582 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
583 | while ((*p1++ = *p2++) != '\0'); | |
584 | ||
585 | v0 = a0; pc0 = ra; | |
586 | } | |
587 | ||
588 | void psxBios_strncpy() { // 0x1a | |
589 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
590 | s32 n = a2, i; | |
591 | ||
592 | for (i = 0; i < n; i++) { | |
593 | if ((*p1++ = *p2++) == '\0') { | |
594 | while (++i < n) { | |
595 | *p1++ = '\0'; | |
596 | } | |
597 | v0 = a0; pc0 = ra; | |
598 | return; | |
599 | } | |
600 | } | |
601 | ||
602 | v0 = a0; pc0 = ra; | |
603 | } | |
604 | ||
605 | void psxBios_strlen() { // 0x1b | |
606 | char *p = (char *)Ra0; | |
607 | v0 = 0; | |
608 | while (*p++) v0++; | |
609 | pc0 = ra; | |
610 | } | |
611 | ||
612 | void psxBios_index() { // 0x1c | |
613 | char *p = (char *)Ra0; | |
fcf7ec6c | 614 | if (a0 == 0) |
615 | { | |
616 | v0 = 0; | |
617 | pc0 = ra; | |
618 | return; | |
619 | } | |
620 | ||
ef79bbde P |
621 | do { |
622 | if (*p == a1) { | |
623 | v0 = a0 + (p - (char *)Ra0); | |
624 | pc0 = ra; | |
625 | return; | |
626 | } | |
627 | } while (*p++ != '\0'); | |
628 | ||
629 | v0 = 0; pc0 = ra; | |
630 | } | |
631 | ||
632 | void psxBios_rindex() { // 0x1d | |
633 | char *p = (char *)Ra0; | |
634 | ||
635 | v0 = 0; | |
fcf7ec6c | 636 | if (a0 == 0) |
637 | { | |
638 | pc0 = ra; | |
639 | return; | |
640 | } | |
ef79bbde P |
641 | do { |
642 | if (*p == a1) | |
643 | v0 = a0 + (p - (char *)Ra0); | |
644 | } while (*p++ != '\0'); | |
645 | ||
646 | pc0 = ra; | |
647 | } | |
648 | ||
649 | void psxBios_strchr() { // 0x1e | |
650 | psxBios_index(); | |
651 | } | |
652 | ||
653 | void psxBios_strrchr() { // 0x1f | |
654 | psxBios_rindex(); | |
655 | } | |
656 | ||
657 | void psxBios_strpbrk() { // 0x20 | |
658 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; | |
659 | ||
660 | while ((c = *p1++) != '\0') { | |
661 | for (scanp = p2; (sc = *scanp++) != '\0';) { | |
662 | if (sc == c) { | |
663 | v0 = a0 + (p1 - 1 - (char *)Ra0); | |
664 | pc0 = ra; | |
665 | return; | |
666 | } | |
667 | } | |
668 | } | |
669 | ||
670 | // BUG: return a0 instead of NULL if not found | |
671 | v0 = a0; pc0 = ra; | |
672 | } | |
673 | ||
674 | void psxBios_strspn() { // 0x21 | |
675 | char *p1, *p2; | |
676 | ||
677 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
678 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
679 | if (*p2 == '\0') break; | |
680 | } | |
681 | ||
682 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
683 | } | |
684 | ||
685 | void psxBios_strcspn() { // 0x22 | |
686 | char *p1, *p2; | |
687 | ||
688 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
689 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
690 | if (*p2 != '\0') break; | |
691 | } | |
692 | ||
693 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
694 | } | |
695 | ||
696 | void psxBios_strtok() { // 0x23 | |
697 | char *pcA0 = (char *)Ra0; | |
698 | char *pcRet = strtok(pcA0, (char *)Ra1); | |
699 | if (pcRet) | |
700 | v0 = a0 + pcRet - pcA0; | |
701 | else | |
702 | v0 = 0; | |
703 | pc0 = ra; | |
704 | } | |
705 | ||
706 | void psxBios_strstr() { // 0x24 | |
707 | char *p = (char *)Ra0, *p1, *p2; | |
708 | ||
709 | while (*p != '\0') { | |
710 | p1 = p; | |
711 | p2 = (char *)Ra1; | |
712 | ||
713 | while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { | |
714 | p1++; p2++; | |
715 | } | |
716 | ||
717 | if (*p2 == '\0') { | |
718 | v0 = a0 + (p - (char *)Ra0); | |
719 | pc0 = ra; | |
720 | return; | |
721 | } | |
722 | ||
723 | p++; | |
724 | } | |
725 | ||
726 | v0 = 0; pc0 = ra; | |
727 | } | |
728 | ||
729 | void psxBios_toupper() { // 0x25 | |
730 | v0 = (s8)(a0 & 0xff); | |
731 | if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; | |
732 | pc0 = ra; | |
733 | } | |
734 | ||
735 | void psxBios_tolower() { // 0x26 | |
736 | v0 = (s8)(a0 & 0xff); | |
737 | if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; | |
738 | pc0 = ra; | |
739 | } | |
740 | ||
741 | void psxBios_bcopy() { // 0x27 | |
742 | char *p1 = (char *)Ra1, *p2 = (char *)Ra0; | |
0148ffb7 | 743 | v0 = a0; |
744 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
745 | { | |
746 | pc0 = ra; | |
747 | return; | |
748 | } | |
5ec7acdf | 749 | while ((s32)a2-- > 0) *p1++ = *p2++; |
0148ffb7 | 750 | a2 = 0; |
ef79bbde P |
751 | pc0 = ra; |
752 | } | |
753 | ||
754 | void psxBios_bzero() { // 0x28 | |
755 | char *p = (char *)Ra0; | |
01724d23 | 756 | v0 = a0; |
757 | /* Same as memset here (See memset below) */ | |
758 | if (a1 > 0x7FFFFFFF || a1 == 0) | |
759 | { | |
760 | v0 = 0; | |
761 | pc0 = ra; | |
762 | return; | |
763 | } | |
764 | else if (a0 == 0) | |
765 | { | |
766 | pc0 = ra; | |
767 | return; | |
768 | } | |
5ec7acdf | 769 | while ((s32)a1-- > 0) *p++ = '\0'; |
01724d23 | 770 | a1 = 0; |
ef79bbde P |
771 | pc0 = ra; |
772 | } | |
773 | ||
774 | void psxBios_bcmp() { // 0x29 | |
775 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
776 | ||
777 | if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } | |
778 | ||
5ec7acdf | 779 | while ((s32)a2-- > 0) { |
ef79bbde P |
780 | if (*p1++ != *p2++) { |
781 | v0 = *p1 - *p2; // BUG: compare the NEXT byte | |
782 | pc0 = ra; | |
783 | return; | |
784 | } | |
785 | } | |
786 | ||
787 | v0 = 0; pc0 = ra; | |
788 | } | |
789 | ||
790 | void psxBios_memcpy() { // 0x2a | |
791 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
ef1da3dc | 792 | s32 n=0; |
793 | v0 = a0; | |
794 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
795 | { | |
796 | pc0 = ra; | |
797 | return; | |
798 | } | |
799 | while ((s32)a2-- > 0) { | |
800 | n++; | |
801 | *p1++ = *p2++; | |
802 | } | |
803 | a2 = 0; | |
804 | pc0 = ra; | |
ef79bbde P |
805 | } |
806 | ||
807 | void psxBios_memset() { // 0x2b | |
808 | char *p = (char *)Ra0; | |
3f28b64f | 809 | v0 = a0; |
810 | if (a2 > 0x7FFFFFFF || a2 == 0) | |
811 | { | |
812 | v0 = 0; | |
813 | pc0 = ra; | |
814 | return; | |
815 | } | |
816 | if (a0 == 0) | |
817 | { | |
818 | pc0 = ra; | |
819 | return; | |
820 | } | |
5ec7acdf | 821 | while ((s32)a2-- > 0) *p++ = (char)a1; |
5ec7acdf | 822 | a2 = 0; |
ef79bbde P |
823 | v0 = a0; pc0 = ra; |
824 | } | |
825 | ||
826 | void psxBios_memmove() { // 0x2c | |
827 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
112dddf5 | 828 | v0 = a0; |
829 | if (a0 == 0 || a2 > 0x7FFFFFFF) | |
830 | { | |
831 | pc0 = ra; | |
832 | return; | |
833 | } | |
ef79bbde P |
834 | if (p2 <= p1 && p2 + a2 > p1) { |
835 | a2++; // BUG: copy one more byte here | |
836 | p1 += a2; | |
837 | p2 += a2; | |
5ec7acdf | 838 | while ((s32)a2-- > 0) *--p1 = *--p2; |
ef79bbde | 839 | } else { |
5ec7acdf | 840 | while ((s32)a2-- > 0) *p1++ = *p2++; |
ef79bbde | 841 | } |
112dddf5 | 842 | pc0 = ra; |
ef79bbde P |
843 | } |
844 | ||
845 | void psxBios_memcmp() { // 0x2d | |
846 | psxBios_bcmp(); | |
847 | } | |
848 | ||
849 | void psxBios_memchr() { // 0x2e | |
850 | char *p = (char *)Ra0; | |
851 | ||
5ec7acdf | 852 | while ((s32)a2-- > 0) { |
ef79bbde P |
853 | if (*p++ != (s8)a1) continue; |
854 | v0 = a0 + (p - (char *)Ra0 - 1); | |
855 | pc0 = ra; | |
856 | return; | |
857 | } | |
858 | ||
859 | v0 = 0; pc0 = ra; | |
860 | } | |
861 | ||
862 | void psxBios_rand() { // 0x2f | |
863 | u32 s = psxMu32(0x9010) * 1103515245 + 12345; | |
864 | v0 = (s >> 16) & 0x7fff; | |
865 | psxMu32ref(0x9010) = SWAPu32(s); | |
866 | pc0 = ra; | |
867 | } | |
868 | ||
869 | void psxBios_srand() { // 0x30 | |
870 | psxMu32ref(0x9010) = SWAPu32(a0); | |
871 | pc0 = ra; | |
872 | } | |
873 | ||
874 | static u32 qscmpfunc, qswidth; | |
875 | ||
876 | static inline int qscmp(char *a, char *b) { | |
877 | u32 sa0 = a0; | |
878 | ||
879 | a0 = sa0 + (a - (char *)PSXM(sa0)); | |
880 | a1 = sa0 + (b - (char *)PSXM(sa0)); | |
881 | ||
882 | softCall2(qscmpfunc); | |
883 | ||
884 | a0 = sa0; | |
885 | return (s32)v0; | |
886 | } | |
887 | ||
888 | static inline void qexchange(char *i, char *j) { | |
889 | char t; | |
890 | int n = qswidth; | |
891 | ||
892 | do { | |
893 | t = *i; | |
894 | *i++ = *j; | |
895 | *j++ = t; | |
896 | } while (--n); | |
897 | } | |
898 | ||
899 | static inline void q3exchange(char *i, char *j, char *k) { | |
900 | char t; | |
901 | int n = qswidth; | |
902 | ||
903 | do { | |
904 | t = *i; | |
905 | *i++ = *k; | |
906 | *k++ = *j; | |
907 | *j++ = t; | |
908 | } while (--n); | |
909 | } | |
910 | ||
911 | static void qsort_main(char *a, char *l) { | |
912 | char *i, *j, *lp, *hp; | |
913 | int c; | |
914 | unsigned int n; | |
915 | ||
916 | start: | |
917 | if ((n = l - a) <= qswidth) | |
918 | return; | |
919 | n = qswidth * (n / (2 * qswidth)); | |
920 | hp = lp = a + n; | |
921 | i = a; | |
922 | j = l - qswidth; | |
923 | while (TRUE) { | |
924 | if (i < lp) { | |
925 | if ((c = qscmp(i, lp)) == 0) { | |
926 | qexchange(i, lp -= qswidth); | |
927 | continue; | |
928 | } | |
929 | if (c < 0) { | |
930 | i += qswidth; | |
931 | continue; | |
932 | } | |
933 | } | |
934 | ||
935 | loop: | |
936 | if (j > hp) { | |
937 | if ((c = qscmp(hp, j)) == 0) { | |
938 | qexchange(hp += qswidth, j); | |
939 | goto loop; | |
940 | } | |
941 | if (c > 0) { | |
942 | if (i == lp) { | |
943 | q3exchange(i, hp += qswidth, j); | |
944 | i = lp += qswidth; | |
945 | goto loop; | |
946 | } | |
947 | qexchange(i, j); | |
948 | j -= qswidth; | |
949 | i += qswidth; | |
950 | continue; | |
951 | } | |
952 | j -= qswidth; | |
953 | goto loop; | |
954 | } | |
955 | ||
956 | if (i == lp) { | |
957 | if (lp - a >= l - hp) { | |
958 | qsort_main(hp + qswidth, l); | |
959 | l = lp; | |
960 | } else { | |
961 | qsort_main(a, lp); | |
962 | a = hp + qswidth; | |
963 | } | |
964 | goto start; | |
965 | } | |
966 | ||
967 | q3exchange(j, lp -= qswidth, i); | |
968 | j = hp -= qswidth; | |
969 | } | |
970 | } | |
971 | ||
972 | void psxBios_qsort() { // 0x31 | |
973 | qswidth = a2; | |
974 | qscmpfunc = a3; | |
975 | qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); | |
976 | ||
977 | pc0 = ra; | |
978 | } | |
979 | ||
980 | void psxBios_malloc() { // 0x33 | |
808a13bd | 981 | unsigned int *chunk, *newchunk = NULL; |
982 | unsigned int dsize = 0, csize, cstat; | |
ef79bbde P |
983 | int colflag; |
984 | #ifdef PSXBIOS_LOG | |
985 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); | |
986 | #endif | |
26b964b5 | 987 | if (!a0 || (!heap_size || !heap_addr)) { |
988 | v0 = 0; | |
989 | pc0 = ra; | |
990 | return; | |
991 | } | |
ef79bbde P |
992 | |
993 | // scan through heap and combine free chunks of space | |
994 | chunk = heap_addr; | |
995 | colflag = 0; | |
996 | while(chunk < heap_end) { | |
997 | // get size and status of actual chunk | |
998 | csize = ((u32)*chunk) & 0xfffffffc; | |
999 | cstat = ((u32)*chunk) & 1; | |
1000 | ||
26b964b5 | 1001 | // most probably broken heap descriptor |
1002 | // this fixes Burning Road | |
1003 | if (*chunk == 0) { | |
1004 | newchunk = chunk; | |
1005 | dsize = ((uptr)heap_end - (uptr)chunk) - 4; | |
1006 | colflag = 1; | |
1007 | break; | |
1008 | } | |
1009 | ||
ef79bbde P |
1010 | // it's a free chunk |
1011 | if(cstat == 1) { | |
1012 | if(colflag == 0) { | |
1013 | newchunk = chunk; | |
1014 | dsize = csize; | |
1015 | colflag = 1; // let's begin a new collection of free memory | |
1016 | } | |
1017 | else dsize += (csize+4); // add the new size including header | |
1018 | } | |
1019 | // not a free chunk: did we start a collection ? | |
1020 | else { | |
1021 | if(colflag == 1) { // collection is over | |
1022 | colflag = 0; | |
1023 | *newchunk = SWAP32(dsize | 1); | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | // next chunk | |
1028 | chunk = (u32*)((uptr)chunk + csize + 4); | |
1029 | } | |
1030 | // if neccessary free memory on end of heap | |
1031 | if (colflag == 1) | |
1032 | *newchunk = SWAP32(dsize | 1); | |
1033 | ||
1034 | chunk = heap_addr; | |
1035 | csize = ((u32)*chunk) & 0xfffffffc; | |
1036 | cstat = ((u32)*chunk) & 1; | |
1037 | dsize = (a0 + 3) & 0xfffffffc; | |
1038 | ||
1039 | // exit on uninitialized heap | |
1040 | if (chunk == NULL) { | |
26b964b5 | 1041 | printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); |
ef79bbde P |
1042 | v0 = 0; |
1043 | pc0 = ra; | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | // search an unused chunk that is big enough until the end of the heap | |
26b964b5 | 1048 | while ((dsize > csize || cstat==0) && chunk < heap_end ) { |
ef79bbde | 1049 | chunk = (u32*)((uptr)chunk + csize + 4); |
26b964b5 | 1050 | |
1051 | // catch out of memory | |
1052 | if(chunk >= heap_end) { | |
1053 | printf("malloc %x,%x: Out of memory error!\n", | |
1054 | v0, a0); | |
1055 | v0 = 0; pc0 = ra; | |
1056 | return; | |
1057 | } | |
1058 | ||
ef79bbde P |
1059 | csize = ((u32)*chunk) & 0xfffffffc; |
1060 | cstat = ((u32)*chunk) & 1; | |
1061 | } | |
1062 | ||
ef79bbde P |
1063 | // allocate memory |
1064 | if(dsize == csize) { | |
1065 | // chunk has same size | |
1066 | *chunk &= 0xfffffffc; | |
26b964b5 | 1067 | } else if (dsize > csize) { |
1068 | v0 = 0; pc0 = ra; | |
1069 | return; | |
1070 | } else { | |
ef79bbde P |
1071 | // split free chunk |
1072 | *chunk = SWAP32(dsize); | |
1073 | newchunk = (u32*)((uptr)chunk + dsize + 4); | |
808a13bd | 1074 | *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1); |
ef79bbde P |
1075 | } |
1076 | ||
1077 | // return pointer to allocated memory | |
26b964b5 | 1078 | v0 = ((uptr)chunk - (uptr)psxM) + 4; |
ef79bbde | 1079 | v0|= 0x80000000; |
26b964b5 | 1080 | //printf ("malloc %x,%x\n", v0, a0); |
ef79bbde P |
1081 | pc0 = ra; |
1082 | } | |
1083 | ||
1084 | void psxBios_free() { // 0x34 | |
1085 | ||
1086 | #ifdef PSXBIOS_LOG | |
1087 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); | |
1088 | #endif | |
1089 | ||
1090 | SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); | |
1091 | ||
1092 | *(u32*)(Ra0-4) |= 1; // set chunk to free | |
1093 | pc0 = ra; | |
1094 | } | |
1095 | ||
1096 | void psxBios_calloc() { // 0x37 | |
02949f79 | 1097 | void *pv0; |
ef79bbde P |
1098 | #ifdef PSXBIOS_LOG |
1099 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); | |
1100 | #endif | |
1101 | ||
1102 | a0 = a0 * a1; | |
1103 | psxBios_malloc(); | |
02949f79 | 1104 | pv0 = Rv0; |
1105 | if (pv0) | |
1106 | memset(pv0, 0, a0); | |
ef79bbde P |
1107 | } |
1108 | ||
1109 | void psxBios_realloc() { // 0x38 | |
1110 | u32 block = a0; | |
1111 | u32 size = a1; | |
1112 | #ifdef PSXBIOS_LOG | |
1113 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); | |
1114 | #endif | |
1115 | ||
1116 | a0 = block; | |
391b1d5b | 1117 | /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */ |
1118 | if (block == 0) | |
1119 | { | |
1120 | psxBios_malloc(); | |
1121 | } | |
1122 | /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */ | |
1123 | else if (size == 0) | |
1124 | { | |
1125 | psxBios_free(); | |
1126 | } | |
1127 | /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */ | |
1128 | /* Note that it is not quite implemented this way here. */ | |
1129 | else | |
1130 | { | |
1131 | psxBios_free(); | |
1132 | a0 = size; | |
1133 | psxBios_malloc(); | |
1134 | } | |
ef79bbde P |
1135 | } |
1136 | ||
1137 | ||
1138 | /* InitHeap(void *block , int n) */ | |
1139 | void psxBios_InitHeap() { // 0x39 | |
1140 | unsigned int size; | |
1141 | ||
1142 | #ifdef PSXBIOS_LOG | |
1143 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); | |
1144 | #endif | |
1145 | ||
1146 | if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); | |
1147 | else size = a1; | |
1148 | ||
1149 | size &= 0xfffffffc; | |
1150 | ||
1151 | heap_addr = (u32 *)Ra0; | |
1152 | heap_end = (u32 *)((u8 *)heap_addr + size); | |
1153 | *heap_addr = SWAP32(size | 1); | |
1154 | ||
c979c3ee | 1155 | SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size); |
ef79bbde P |
1156 | |
1157 | pc0 = ra; | |
1158 | } | |
1159 | ||
1160 | void psxBios_getchar() { //0x3b | |
1161 | v0 = getchar(); pc0 = ra; | |
1162 | } | |
1163 | ||
1164 | void psxBios_printf() { // 0x3f | |
1165 | char tmp[1024]; | |
1166 | char tmp2[1024]; | |
1167 | u32 save[4]; | |
1168 | char *ptmp = tmp; | |
1169 | int n=1, i=0, j; | |
02949f79 | 1170 | void *psp; |
1171 | ||
1172 | psp = PSXM(sp); | |
1173 | if (psp) { | |
1174 | memcpy(save, psp, 4 * 4); | |
1175 | psxMu32ref(sp) = SWAP32((u32)a0); | |
1176 | psxMu32ref(sp + 4) = SWAP32((u32)a1); | |
1177 | psxMu32ref(sp + 8) = SWAP32((u32)a2); | |
1178 | psxMu32ref(sp + 12) = SWAP32((u32)a3); | |
1179 | } | |
ef79bbde P |
1180 | |
1181 | while (Ra0[i]) { | |
1182 | switch (Ra0[i]) { | |
1183 | case '%': | |
1184 | j = 0; | |
1185 | tmp2[j++] = '%'; | |
1186 | _start: | |
1187 | switch (Ra0[++i]) { | |
1188 | case '.': | |
1189 | case 'l': | |
1190 | tmp2[j++] = Ra0[i]; goto _start; | |
1191 | default: | |
1192 | if (Ra0[i] >= '0' && Ra0[i] <= '9') { | |
1193 | tmp2[j++] = Ra0[i]; | |
1194 | goto _start; | |
1195 | } | |
1196 | break; | |
1197 | } | |
1198 | tmp2[j++] = Ra0[i]; | |
1199 | tmp2[j] = 0; | |
1200 | ||
1201 | switch (Ra0[i]) { | |
1202 | case 'f': case 'F': | |
1203 | ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; | |
1204 | case 'a': case 'A': | |
1205 | case 'e': case 'E': | |
1206 | case 'g': case 'G': | |
1207 | ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; | |
1208 | case 'p': | |
888468ff | 1209 | case 'i': case 'u': |
ef79bbde P |
1210 | case 'd': case 'D': |
1211 | case 'o': case 'O': | |
1212 | case 'x': case 'X': | |
1213 | ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; | |
1214 | case 'c': | |
1215 | ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; | |
1216 | case 's': | |
1217 | ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; | |
1218 | case '%': | |
1219 | *ptmp++ = Ra0[i]; break; | |
1220 | } | |
1221 | i++; | |
1222 | break; | |
1223 | default: | |
1224 | *ptmp++ = Ra0[i++]; | |
1225 | } | |
1226 | } | |
1227 | *ptmp = 0; | |
1228 | ||
02949f79 | 1229 | if (psp) |
1230 | memcpy(psp, save, 4 * 4); | |
ef79bbde | 1231 | |
808a13bd | 1232 | SysPrintf("%s", tmp); |
ef79bbde P |
1233 | |
1234 | pc0 = ra; | |
1235 | } | |
1236 | ||
e7e1f572 | 1237 | void psxBios_format() { // 0x41 |
1238 | if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0') | |
1239 | { | |
1240 | CreateMcd(Config.Mcd1); | |
1241 | LoadMcd(1, Config.Mcd1); | |
1242 | v0 = 1; | |
1243 | } | |
1244 | else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0') | |
1245 | { | |
1246 | CreateMcd(Config.Mcd2); | |
1247 | LoadMcd(2, Config.Mcd2); | |
1248 | v0 = 1; | |
1249 | } | |
1250 | else | |
1251 | { | |
1252 | v0 = 0; | |
1253 | } | |
1254 | pc0 = ra; | |
1255 | } | |
1256 | ||
ef79bbde P |
1257 | /* |
1258 | * long Load(char *name, struct EXEC *header); | |
1259 | */ | |
1260 | ||
1261 | void psxBios_Load() { // 0x42 | |
1262 | EXE_HEADER eheader; | |
02949f79 | 1263 | void *pa1; |
ef79bbde P |
1264 | |
1265 | #ifdef PSXBIOS_LOG | |
1266 | PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1); | |
1267 | #endif | |
1268 | ||
02949f79 | 1269 | pa1 = Ra1; |
1270 | if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) { | |
1271 | memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC)); | |
ef79bbde P |
1272 | v0 = 1; |
1273 | } else v0 = 0; | |
1274 | ||
1275 | pc0 = ra; | |
1276 | } | |
1277 | ||
1278 | /* | |
1279 | * int Exec(struct EXEC *header , int argc , char **argv); | |
1280 | */ | |
1281 | ||
1282 | void psxBios_Exec() { // 43 | |
1283 | EXEC *header = (EXEC*)Ra0; | |
1284 | u32 tmp; | |
1285 | ||
1286 | #ifdef PSXBIOS_LOG | |
1287 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); | |
1288 | #endif | |
1289 | ||
1290 | header->_sp = sp; | |
1291 | header->_fp = fp; | |
1292 | header->_sp = sp; | |
1293 | header->_gp = gp; | |
1294 | header->ret = ra; | |
1295 | header->base = s0; | |
1296 | ||
1297 | if (header->S_addr != 0) { | |
1298 | tmp = header->S_addr + header->s_size; | |
1299 | sp = tmp; | |
1300 | fp = sp; | |
1301 | } | |
1302 | ||
1303 | gp = header->gp0; | |
1304 | ||
1305 | s0 = a0; | |
1306 | ||
1307 | a0 = a1; | |
1308 | a1 = a2; | |
1309 | ||
1310 | ra = 0x8000; | |
1311 | pc0 = header->_pc0; | |
1312 | } | |
1313 | ||
1314 | void psxBios_FlushCache() { // 44 | |
1315 | #ifdef PSXBIOS_LOG | |
1316 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); | |
1317 | #endif | |
1318 | ||
1319 | pc0 = ra; | |
1320 | } | |
1321 | ||
1322 | void psxBios_GPU_dw() { // 0x46 | |
1323 | int size; | |
1324 | s32 *ptr; | |
1325 | ||
1326 | #ifdef PSXBIOS_LOG | |
1327 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); | |
1328 | #endif | |
1329 | ||
1330 | GPU_writeData(0xa0000000); | |
1331 | GPU_writeData((a1<<16)|(a0&0xffff)); | |
1332 | GPU_writeData((a3<<16)|(a2&0xffff)); | |
1333 | size = (a2*a3+1)/2; | |
1334 | ptr = (s32*)PSXM(Rsp[4]); //that is correct? | |
1335 | do { | |
1336 | GPU_writeData(SWAP32(*ptr)); | |
1337 | ptr++; | |
1338 | } while(--size); | |
1339 | ||
1340 | pc0 = ra; | |
1341 | } | |
1342 | ||
1343 | void psxBios_mem2vram() { // 0x47 | |
1344 | int size; | |
1345 | ||
1346 | GPU_writeData(0xa0000000); | |
1347 | GPU_writeData((a1<<16)|(a0&0xffff)); | |
1348 | GPU_writeData((a3<<16)|(a2&0xffff)); | |
1349 | size = (a2*a3+1)/2; | |
1350 | GPU_writeStatus(0x04000002); | |
1351 | psxHwWrite32(0x1f8010f4,0); | |
1352 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1353 | psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... | |
1354 | psxHwWrite32(0x1f8010a4,((size/16)<<16)|16); | |
1355 | psxHwWrite32(0x1f8010a8,0x01000201); | |
1356 | ||
1357 | pc0 = ra; | |
1358 | } | |
1359 | ||
1360 | void psxBios_SendGPU() { // 0x48 | |
1361 | GPU_writeStatus(a0); | |
ddbaf678 | 1362 | gpuSyncPluginSR(); |
ef79bbde P |
1363 | pc0 = ra; |
1364 | } | |
1365 | ||
1366 | void psxBios_GPU_cw() { // 0x49 | |
1367 | GPU_writeData(a0); | |
1368 | pc0 = ra; | |
1369 | } | |
1370 | ||
1371 | void psxBios_GPU_cwb() { // 0x4a | |
1372 | s32 *ptr = (s32*)Ra0; | |
1373 | int size = a1; | |
1374 | while(size--) { | |
1375 | GPU_writeData(SWAP32(*ptr)); | |
1376 | ptr++; | |
1377 | } | |
1378 | ||
1379 | pc0 = ra; | |
1380 | } | |
1381 | ||
1382 | void psxBios_GPU_SendPackets() { //4b: | |
1383 | GPU_writeStatus(0x04000002); | |
1384 | psxHwWrite32(0x1f8010f4,0); | |
1385 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1386 | psxHwWrite32(0x1f8010a0,a0); | |
1387 | psxHwWrite32(0x1f8010a4,0); | |
1388 | psxHwWrite32(0x1f8010a8,0x010000401); | |
1389 | pc0 = ra; | |
1390 | } | |
1391 | ||
1392 | void psxBios_sys_a0_4c() { // 0x4c GPU relate | |
1393 | psxHwWrite32(0x1f8010a8,0x00000401); | |
1394 | GPU_writeData(0x0400000); | |
1395 | GPU_writeData(0x0200000); | |
1396 | GPU_writeData(0x0100000); | |
cd1ea245 | 1397 | v0 = 0x1f801814; |
ef79bbde P |
1398 | pc0 = ra; |
1399 | } | |
1400 | ||
1401 | void psxBios_GPU_GetGPUStatus() { // 0x4d | |
1402 | v0 = GPU_readStatus(); | |
1403 | pc0 = ra; | |
1404 | } | |
1405 | ||
1406 | #undef s_addr | |
1407 | ||
1408 | void psxBios_LoadExec() { // 51 | |
1409 | EXEC *header = (EXEC*)PSXM(0xf000); | |
1410 | u32 s_addr, s_size; | |
1411 | ||
1412 | #ifdef PSXBIOS_LOG | |
1413 | PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); | |
1414 | #endif | |
1415 | s_addr = a1; s_size = a2; | |
1416 | ||
1417 | a1 = 0xf000; | |
1418 | psxBios_Load(); | |
1419 | ||
1420 | header->S_addr = s_addr; | |
1421 | header->s_size = s_size; | |
1422 | ||
1423 | a0 = 0xf000; a1 = 0; a2 = 0; | |
1424 | psxBios_Exec(); | |
1425 | } | |
1426 | ||
1427 | void psxBios__bu_init() { // 70 | |
1428 | #ifdef PSXBIOS_LOG | |
1429 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); | |
1430 | #endif | |
1431 | ||
1432 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1433 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1434 | ||
1435 | pc0 = ra; | |
1436 | } | |
1437 | ||
1438 | void psxBios__96_init() { // 71 | |
1439 | #ifdef PSXBIOS_LOG | |
1440 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); | |
1441 | #endif | |
1442 | ||
1443 | pc0 = ra; | |
1444 | } | |
1445 | ||
1446 | void psxBios__96_remove() { // 72 | |
1447 | #ifdef PSXBIOS_LOG | |
1448 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); | |
1449 | #endif | |
1450 | ||
1451 | pc0 = ra; | |
1452 | } | |
1453 | ||
1454 | void psxBios_SetMem() { // 9f | |
1455 | u32 new = psxHu32(0x1060); | |
1456 | ||
1457 | #ifdef PSXBIOS_LOG | |
1458 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); | |
1459 | #endif | |
1460 | ||
1461 | switch(a0) { | |
1462 | case 2: | |
1463 | psxHu32ref(0x1060) = SWAP32(new); | |
1464 | psxMu32ref(0x060) = a0; | |
1465 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1466 | break; | |
1467 | ||
1468 | case 8: | |
1469 | psxHu32ref(0x1060) = SWAP32(new | 0x300); | |
1470 | psxMu32ref(0x060) = a0; | |
1471 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1472 | ||
1473 | default: | |
1474 | SysPrintf("Effective memory must be 2/8 MBytes\n"); | |
1475 | break; | |
1476 | } | |
1477 | ||
1478 | pc0 = ra; | |
1479 | } | |
1480 | ||
1481 | void psxBios__card_info() { // ab | |
1482 | #ifdef PSXBIOS_LOG | |
1483 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); | |
1484 | #endif | |
76b81516 | 1485 | u32 ret; |
e9fda093 | 1486 | card_active_chan = a0; |
1487 | ||
76b81516 | 1488 | switch (card_active_chan) |
1489 | { | |
1490 | case 0x00: case 0x01: case 0x02: case 0x03: | |
1491 | ret = Config.Mcd1[0] ? 0x2 : 0x8; | |
1492 | break; | |
1493 | case 0x10: case 0x11: case 0x12: case 0x13: | |
1494 | ret = Config.Mcd2[0] ? 0x2 : 0x8; | |
1495 | break; | |
1496 | default: | |
1497 | #ifdef PSXBIOS_LOG | |
1498 | PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan); | |
1499 | #endif | |
1500 | ret = 0x11; | |
1501 | break; | |
1502 | } | |
1503 | ||
1504 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
ef79bbde P |
1505 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1506 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
76b81516 | 1507 | DeliverEvent(0x81, ret); // 0xf4000001, 0x0004 |
ef79bbde P |
1508 | |
1509 | v0 = 1; pc0 = ra; | |
1510 | } | |
1511 | ||
1512 | void psxBios__card_load() { // ac | |
1513 | #ifdef PSXBIOS_LOG | |
1514 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); | |
1515 | #endif | |
1516 | ||
e9fda093 | 1517 | card_active_chan = a0; |
1518 | ||
ef79bbde P |
1519 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1520 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1521 | ||
1522 | v0 = 1; pc0 = ra; | |
1523 | } | |
1524 | ||
1525 | /* System calls B0 */ | |
1526 | ||
1527 | void psxBios_SetRCnt() { // 02 | |
1528 | #ifdef PSXBIOS_LOG | |
1529 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); | |
1530 | #endif | |
1531 | ||
1532 | a0&= 0x3; | |
1533 | if (a0 != 3) { | |
1534 | u32 mode=0; | |
1535 | ||
1536 | psxRcntWtarget(a0, a1); | |
1537 | if (a2&0x1000) mode|= 0x050; // Interrupt Mode | |
1538 | if (a2&0x0100) mode|= 0x008; // Count to 0xffff | |
1539 | if (a2&0x0010) mode|= 0x001; // Timer stop mode | |
1540 | if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode | |
1541 | else { if (a2&0x0001) mode|= 0x100; } // System Clock mode | |
1542 | ||
1543 | psxRcntWmode(a0, mode); | |
1544 | } | |
1545 | pc0 = ra; | |
1546 | } | |
1547 | ||
1548 | void psxBios_GetRCnt() { // 03 | |
1549 | #ifdef PSXBIOS_LOG | |
1550 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); | |
1551 | #endif | |
1552 | ||
1553 | a0&= 0x3; | |
1554 | if (a0 != 3) v0 = psxRcntRcount(a0); | |
1555 | else v0 = 0; | |
1556 | pc0 = ra; | |
1557 | } | |
1558 | ||
1559 | void psxBios_StartRCnt() { // 04 | |
1560 | #ifdef PSXBIOS_LOG | |
1561 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); | |
1562 | #endif | |
1563 | ||
1564 | a0&= 0x3; | |
1565 | if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); | |
1566 | else psxHu32ref(0x1074)|= SWAPu32(0x1); | |
1567 | v0 = 1; pc0 = ra; | |
1568 | } | |
1569 | ||
1570 | void psxBios_StopRCnt() { // 05 | |
1571 | #ifdef PSXBIOS_LOG | |
1572 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); | |
1573 | #endif | |
1574 | ||
1575 | a0&= 0x3; | |
1576 | if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); | |
1577 | else psxHu32ref(0x1074)&= SWAPu32(~0x1); | |
1578 | pc0 = ra; | |
1579 | } | |
1580 | ||
1581 | void psxBios_ResetRCnt() { // 06 | |
1582 | #ifdef PSXBIOS_LOG | |
1583 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); | |
1584 | #endif | |
1585 | ||
1586 | a0&= 0x3; | |
1587 | if (a0 != 3) { | |
1588 | psxRcntWmode(a0, 0); | |
1589 | psxRcntWtarget(a0, 0); | |
1590 | psxRcntWcount(a0, 0); | |
1591 | } | |
1592 | pc0 = ra; | |
1593 | } | |
1594 | ||
1595 | ||
1596 | /* gets ev for use with Event */ | |
1597 | #define GetEv() \ | |
1598 | ev = (a0 >> 24) & 0xf; \ | |
1599 | if (ev == 0xf) ev = 0x5; \ | |
1600 | ev*= 32; \ | |
1601 | ev+= a0&0x1f; | |
1602 | ||
1603 | /* gets spec for use with Event */ | |
1604 | #define GetSpec() \ | |
1605 | spec = 0; \ | |
1606 | switch (a1) { \ | |
1607 | case 0x0301: spec = 16; break; \ | |
1608 | case 0x0302: spec = 17; break; \ | |
1609 | default: \ | |
1610 | for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ | |
1611 | break; \ | |
1612 | } | |
1613 | ||
1614 | void psxBios_DeliverEvent() { // 07 | |
1615 | int ev, spec; | |
1616 | int i; | |
1617 | ||
1618 | GetEv(); | |
1619 | GetSpec(); | |
1620 | ||
1621 | #ifdef PSXBIOS_LOG | |
1622 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); | |
1623 | #endif | |
1624 | ||
1625 | DeliverEvent(ev, spec); | |
1626 | ||
1627 | pc0 = ra; | |
1628 | } | |
1629 | ||
1630 | void psxBios_OpenEvent() { // 08 | |
1631 | int ev, spec; | |
1632 | int i; | |
1633 | ||
1634 | GetEv(); | |
1635 | GetSpec(); | |
1636 | ||
1637 | #ifdef PSXBIOS_LOG | |
1638 | PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); | |
1639 | #endif | |
1640 | ||
1641 | Event[ev][spec].status = EvStWAIT; | |
1642 | Event[ev][spec].mode = a2; | |
1643 | Event[ev][spec].fhandler = a3; | |
1644 | ||
1645 | v0 = ev | (spec << 8); | |
1646 | pc0 = ra; | |
1647 | } | |
1648 | ||
1649 | void psxBios_CloseEvent() { // 09 | |
1650 | int ev, spec; | |
1651 | ||
1652 | ev = a0 & 0xff; | |
1653 | spec = (a0 >> 8) & 0xff; | |
1654 | ||
1655 | #ifdef PSXBIOS_LOG | |
1656 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); | |
1657 | #endif | |
1658 | ||
1659 | Event[ev][spec].status = EvStUNUSED; | |
1660 | ||
1661 | v0 = 1; pc0 = ra; | |
1662 | } | |
1663 | ||
1664 | void psxBios_WaitEvent() { // 0a | |
1665 | int ev, spec; | |
1666 | ||
1667 | ev = a0 & 0xff; | |
1668 | spec = (a0 >> 8) & 0xff; | |
ef79bbde P |
1669 | #ifdef PSXBIOS_LOG |
1670 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); | |
1671 | #endif | |
d95c9dcb | 1672 | if (Event[ev][spec].status == EvStUNUSED) |
1673 | { | |
1674 | v0 = 0; | |
1675 | pc0 = ra; | |
1676 | return; | |
1677 | } | |
ef79bbde | 1678 | |
d95c9dcb | 1679 | if (Event[ev][spec].status == EvStALREADY) |
1680 | { | |
1681 | /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */ | |
1682 | if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE; | |
1683 | v0 = 1; | |
1684 | pc0 = ra; | |
1685 | return; | |
1686 | } | |
ef79bbde | 1687 | |
d95c9dcb | 1688 | v0 = 0; |
1689 | pc0 = ra; | |
ef79bbde P |
1690 | } |
1691 | ||
1692 | void psxBios_TestEvent() { // 0b | |
1693 | int ev, spec; | |
1694 | ||
1695 | ev = a0 & 0xff; | |
1696 | spec = (a0 >> 8) & 0xff; | |
1697 | ||
1698 | if (Event[ev][spec].status == EvStALREADY) { | |
1699 | Event[ev][spec].status = EvStACTIVE; v0 = 1; | |
1700 | } else v0 = 0; | |
1701 | ||
1702 | #ifdef PSXBIOS_LOG | |
1703 | PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); | |
1704 | #endif | |
1705 | ||
1706 | pc0 = ra; | |
1707 | } | |
1708 | ||
1709 | void psxBios_EnableEvent() { // 0c | |
1710 | int ev, spec; | |
1711 | ||
1712 | ev = a0 & 0xff; | |
1713 | spec = (a0 >> 8) & 0xff; | |
1714 | ||
1715 | #ifdef PSXBIOS_LOG | |
1716 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); | |
1717 | #endif | |
1718 | ||
1719 | Event[ev][spec].status = EvStACTIVE; | |
1720 | ||
1721 | v0 = 1; pc0 = ra; | |
1722 | } | |
1723 | ||
1724 | void psxBios_DisableEvent() { // 0d | |
1725 | int ev, spec; | |
1726 | ||
1727 | ev = a0 & 0xff; | |
1728 | spec = (a0 >> 8) & 0xff; | |
1729 | ||
1730 | #ifdef PSXBIOS_LOG | |
1731 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); | |
1732 | #endif | |
1733 | ||
1734 | Event[ev][spec].status = EvStWAIT; | |
1735 | ||
1736 | v0 = 1; pc0 = ra; | |
1737 | } | |
1738 | ||
1739 | /* | |
1740 | * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); | |
1741 | */ | |
1742 | ||
1743 | void psxBios_OpenTh() { // 0e | |
1744 | int th; | |
1745 | ||
1746 | for (th=1; th<8; th++) | |
a66d3058 | 1747 | { |
ef79bbde P |
1748 | if (Thread[th].status == 0) break; |
1749 | ||
a66d3058 | 1750 | } |
1751 | if (th == 8) { | |
1752 | // Feb 2019 - Added out-of-bounds fix caught by cppcheck: | |
1753 | // When no free TCB is found, return 0xffffffff according to Nocash doc. | |
1754 | #ifdef PSXBIOS_LOG | |
1755 | PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__); | |
1756 | #endif | |
1757 | v0 = 0xffffffff; | |
1758 | pc0 = ra; | |
1759 | return; | |
1760 | } | |
ef79bbde P |
1761 | #ifdef PSXBIOS_LOG |
1762 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); | |
1763 | #endif | |
1764 | ||
1765 | Thread[th].status = 1; | |
1766 | Thread[th].func = a0; | |
1767 | Thread[th].reg[29] = a1; | |
1768 | Thread[th].reg[28] = a2; | |
1769 | ||
1770 | v0 = th; pc0 = ra; | |
1771 | } | |
1772 | ||
1773 | /* | |
1774 | * int CloseTh(long thread); | |
1775 | */ | |
1776 | ||
1777 | void psxBios_CloseTh() { // 0f | |
1778 | int th = a0 & 0xff; | |
1779 | ||
1780 | #ifdef PSXBIOS_LOG | |
1781 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); | |
1782 | #endif | |
1783 | ||
1784 | if (Thread[th].status == 0) { | |
1785 | v0 = 0; | |
1786 | } else { | |
1787 | Thread[th].status = 0; | |
1788 | v0 = 1; | |
1789 | } | |
1790 | ||
1791 | pc0 = ra; | |
1792 | } | |
1793 | ||
1794 | /* | |
1795 | * int ChangeTh(long thread); | |
1796 | */ | |
1797 | ||
1798 | void psxBios_ChangeTh() { // 10 | |
1799 | int th = a0 & 0xff; | |
1800 | ||
1801 | #ifdef PSXBIOS_LOG | |
1802 | // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); | |
1803 | #endif | |
1804 | ||
1805 | if (Thread[th].status == 0 || CurThread == th) { | |
1806 | v0 = 0; | |
1807 | ||
1808 | pc0 = ra; | |
1809 | } else { | |
1810 | v0 = 1; | |
1811 | ||
1812 | if (Thread[CurThread].status == 2) { | |
1813 | Thread[CurThread].status = 1; | |
1814 | Thread[CurThread].func = ra; | |
1815 | memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4); | |
1816 | } | |
1817 | ||
1818 | memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4); | |
1819 | pc0 = Thread[th].func; | |
1820 | Thread[th].status = 2; | |
1821 | CurThread = th; | |
1822 | } | |
1823 | } | |
1824 | ||
1825 | void psxBios_InitPAD() { // 0x12 | |
1826 | #ifdef PSXBIOS_LOG | |
1827 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); | |
1828 | #endif | |
1829 | ||
1830 | pad_buf1 = (char*)Ra0; | |
1831 | pad_buf1len = a1; | |
1832 | pad_buf2 = (char*)Ra2; | |
1833 | pad_buf2len = a3; | |
1834 | ||
1835 | v0 = 1; pc0 = ra; | |
1836 | } | |
1837 | ||
1838 | void psxBios_StartPAD() { // 13 | |
1839 | #ifdef PSXBIOS_LOG | |
1840 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); | |
1841 | #endif | |
1842 | ||
1843 | psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); | |
1844 | psxRegs.CP0.n.Status |= 0x401; | |
1845 | pc0 = ra; | |
1846 | } | |
1847 | ||
1848 | void psxBios_StopPAD() { // 14 | |
1849 | #ifdef PSXBIOS_LOG | |
1850 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); | |
1851 | #endif | |
8a0245bb | 1852 | if (pad_buf == 0){ |
ef79bbde P |
1853 | pad_buf1 = NULL; |
1854 | pad_buf2 = NULL; | |
8a0245bb | 1855 | } |
ef79bbde P |
1856 | pc0 = ra; |
1857 | } | |
1858 | ||
1859 | void psxBios_PAD_init() { // 15 | |
1860 | #ifdef PSXBIOS_LOG | |
1861 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); | |
1862 | #endif | |
a824e83d | 1863 | if (!(a0 == 0x20000000 || a0 == 0x20000001)) |
1864 | { | |
1865 | v0 = 0; | |
1866 | pc0 = ra; | |
1867 | return; | |
1868 | } | |
ef79bbde P |
1869 | psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); |
1870 | pad_buf = (int *)Ra1; | |
1871 | *pad_buf = -1; | |
1872 | psxRegs.CP0.n.Status |= 0x401; | |
a824e83d | 1873 | v0 = 2; |
ef79bbde P |
1874 | pc0 = ra; |
1875 | } | |
1876 | ||
1877 | void psxBios_PAD_dr() { // 16 | |
1878 | #ifdef PSXBIOS_LOG | |
1879 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); | |
1880 | #endif | |
1881 | ||
1882 | v0 = -1; pc0 = ra; | |
1883 | } | |
1884 | ||
1885 | void psxBios_ReturnFromException() { // 17 | |
1886 | LoadRegs(); | |
1887 | ||
1888 | pc0 = psxRegs.CP0.n.EPC; | |
1889 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4; | |
1890 | ||
1891 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
1892 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
1893 | } | |
1894 | ||
1895 | void psxBios_ResetEntryInt() { // 18 | |
1896 | #ifdef PSXBIOS_LOG | |
1897 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); | |
1898 | #endif | |
1899 | ||
1900 | jmp_int = NULL; | |
1901 | pc0 = ra; | |
1902 | } | |
1903 | ||
1904 | void psxBios_HookEntryInt() { // 19 | |
1905 | #ifdef PSXBIOS_LOG | |
1906 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]); | |
1907 | #endif | |
1908 | ||
1909 | jmp_int = (u32*)Ra0; | |
1910 | pc0 = ra; | |
1911 | } | |
1912 | ||
1913 | void psxBios_UnDeliverEvent() { // 0x20 | |
1914 | int ev, spec; | |
1915 | int i; | |
1916 | ||
1917 | GetEv(); | |
1918 | GetSpec(); | |
1919 | ||
1920 | #ifdef PSXBIOS_LOG | |
1921 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); | |
1922 | #endif | |
1923 | ||
1924 | if (Event[ev][spec].status == EvStALREADY && | |
1925 | Event[ev][spec].mode == EvMdNOINTR) | |
1926 | Event[ev][spec].status = EvStACTIVE; | |
1927 | ||
1928 | pc0 = ra; | |
1929 | } | |
1930 | ||
595a136b | 1931 | char ffile[64], *pfile; |
1932 | int nfile; | |
1933 | static void buopen(int mcd, u8 *ptr, u8 *cfg) | |
1934 | { | |
1935 | int i; | |
1936 | u8 *fptr = ptr; | |
1937 | ||
1938 | strcpy(FDesc[1 + mcd].name, Ra0+5); | |
1939 | FDesc[1 + mcd].offset = 0; | |
1940 | FDesc[1 + mcd].mode = a1; | |
1941 | ||
1942 | for (i=1; i<16; i++) { | |
1943 | fptr += 128; | |
1944 | if ((*fptr & 0xF0) != 0x50) continue; | |
1945 | if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue; | |
1946 | FDesc[1 + mcd].mcfile = i; | |
1947 | SysPrintf("open %s\n", fptr+0xa); | |
1948 | v0 = 1 + mcd; | |
1949 | break; | |
1950 | } | |
1951 | if (a1 & 0x200 && v0 == -1) { /* FCREAT */ | |
1952 | fptr = ptr; | |
1953 | for (i=1; i<16; i++) { | |
1954 | int j, xor, nblk = a1 >> 16; | |
1955 | u8 *pptr, *fptr2; | |
1956 | ||
1957 | fptr += 128; | |
1958 | if ((*fptr & 0xF0) != 0xa0) continue; | |
1959 | ||
1960 | FDesc[1 + mcd].mcfile = i; | |
1961 | fptr[0] = 0x51; | |
1962 | fptr[4] = 0x00; | |
1963 | fptr[5] = 0x20 * nblk; | |
1964 | fptr[6] = 0x00; | |
1965 | fptr[7] = 0x00; | |
1966 | strcpy(fptr+0xa, FDesc[1 + mcd].name); | |
1967 | pptr = fptr2 = fptr; | |
1968 | for(j=2; j<=nblk; j++) { | |
1969 | int k; | |
1970 | for(i++; i<16; i++) { | |
1971 | fptr2 += 128; | |
1972 | ||
1973 | memset(fptr2, 0, 128); | |
1974 | fptr2[0] = j < nblk ? 0x52 : 0x53; | |
1975 | pptr[8] = i - 1; | |
1976 | pptr[9] = 0; | |
1977 | for (k=0, xor=0; k<127; k++) xor^= pptr[k]; | |
1978 | pptr[127] = xor; | |
1979 | pptr = fptr2; | |
1980 | break; | |
1981 | } | |
1982 | /* shouldn't this return ENOSPC if i == 16? */ | |
1983 | } | |
1984 | pptr[8] = pptr[9] = 0xff; | |
1985 | for (j=0, xor=0; j<127; j++) xor^= pptr[j]; | |
1986 | pptr[127] = xor; | |
1987 | SysPrintf("openC %s %d\n", ptr, nblk); | |
1988 | v0 = 1 + mcd; | |
1989 | /* just go ahead and resave them all */ | |
1990 | SaveMcd(cfg, ptr, 128, 128 * 15); | |
1991 | break; | |
1992 | } | |
1993 | /* shouldn't this return ENOSPC if i == 16? */ | |
1994 | } | |
ef79bbde P |
1995 | } |
1996 | ||
1997 | /* | |
1998 | * int open(char *name , int mode); | |
1999 | */ | |
2000 | ||
2001 | void psxBios_open() { // 0x32 | |
2002 | int i; | |
2003 | char *ptr; | |
02949f79 | 2004 | void *pa0 = Ra0; |
ef79bbde P |
2005 | |
2006 | #ifdef PSXBIOS_LOG | |
2007 | PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); | |
2008 | #endif | |
2009 | ||
2010 | v0 = -1; | |
2011 | ||
02949f79 | 2012 | if (pa0) { |
2013 | if (!strncmp(pa0, "bu00", 4)) { | |
595a136b | 2014 | buopen(1, Mcd1Data, Config.Mcd1); |
02949f79 | 2015 | } |
ef79bbde | 2016 | |
02949f79 | 2017 | if (!strncmp(pa0, "bu10", 4)) { |
595a136b | 2018 | buopen(2, Mcd2Data, Config.Mcd2); |
02949f79 | 2019 | } |
ef79bbde P |
2020 | } |
2021 | ||
2022 | pc0 = ra; | |
2023 | } | |
2024 | ||
2025 | /* | |
2026 | * int lseek(int fd , int offset , int whence); | |
2027 | */ | |
2028 | ||
2029 | void psxBios_lseek() { // 0x33 | |
2030 | #ifdef PSXBIOS_LOG | |
2031 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); | |
2032 | #endif | |
2033 | ||
2034 | switch (a2) { | |
2035 | case 0: // SEEK_SET | |
2036 | FDesc[a0].offset = a1; | |
2037 | v0 = a1; | |
2038 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2039 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2040 | break; | |
2041 | ||
2042 | case 1: // SEEK_CUR | |
2043 | FDesc[a0].offset+= a1; | |
2044 | v0 = FDesc[a0].offset; | |
2045 | break; | |
2046 | } | |
2047 | ||
2048 | pc0 = ra; | |
2049 | } | |
2050 | ||
595a136b | 2051 | |
ef79bbde P |
2052 | /* |
2053 | * int read(int fd , void *buf , int nbytes); | |
2054 | */ | |
2055 | ||
2056 | void psxBios_read() { // 0x34 | |
2057 | char *ptr; | |
02949f79 | 2058 | void *pa1 = Ra1; |
ef79bbde P |
2059 | |
2060 | #ifdef PSXBIOS_LOG | |
2061 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); | |
2062 | #endif | |
2063 | ||
2064 | v0 = -1; | |
2065 | ||
02949f79 | 2066 | if (pa1) { |
2067 | switch (a0) { | |
595a136b | 2068 | case 2: buread(pa1, 1, a2); break; |
2069 | case 3: buread(pa1, 2, a2); break; | |
02949f79 | 2070 | } |
ef79bbde P |
2071 | } |
2072 | ||
2073 | pc0 = ra; | |
2074 | } | |
2075 | ||
ef79bbde P |
2076 | /* |
2077 | * int write(int fd , void *buf , int nbytes); | |
2078 | */ | |
2079 | ||
2080 | void psxBios_write() { // 0x35/0x03 | |
2081 | char *ptr; | |
02949f79 | 2082 | void *pa1 = Ra1; |
2083 | ||
2084 | #ifdef PSXBIOS_LOG | |
2085 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); | |
2086 | #endif | |
2087 | ||
2088 | v0 = -1; | |
2089 | if (!pa1) { | |
2090 | pc0 = ra; | |
2091 | return; | |
2092 | } | |
ef79bbde P |
2093 | |
2094 | if (a0 == 1) { // stdout | |
02949f79 | 2095 | char *ptr = pa1; |
ef79bbde | 2096 | |
02949f79 | 2097 | v0 = a2; |
ef79bbde P |
2098 | while (a2 > 0) { |
2099 | SysPrintf("%c", *ptr++); a2--; | |
2100 | } | |
2101 | pc0 = ra; return; | |
2102 | } | |
ef79bbde P |
2103 | |
2104 | switch (a0) { | |
595a136b | 2105 | case 2: buwrite(pa1, 1, a2); break; |
2106 | case 3: buwrite(pa1, 2, a2); break; | |
ef79bbde P |
2107 | } |
2108 | ||
2109 | pc0 = ra; | |
2110 | } | |
2111 | ||
2112 | /* | |
2113 | * int close(int fd); | |
2114 | */ | |
2115 | ||
2116 | void psxBios_close() { // 0x36 | |
2117 | #ifdef PSXBIOS_LOG | |
2118 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); | |
2119 | #endif | |
2120 | ||
2121 | v0 = a0; | |
2122 | pc0 = ra; | |
2123 | } | |
2124 | ||
2125 | void psxBios_putchar() { // 3d | |
2126 | SysPrintf("%c", (char)a0); | |
2127 | pc0 = ra; | |
2128 | } | |
2129 | ||
2130 | void psxBios_puts() { // 3e/3f | |
808a13bd | 2131 | SysPrintf("%s", Ra0); |
ef79bbde P |
2132 | pc0 = ra; |
2133 | } | |
2134 | ||
2135 | char ffile[64], *pfile; | |
2136 | int nfile; | |
2137 | ||
2138 | #define bufile(mcd) { \ | |
2139 | while (nfile < 16) { \ | |
2140 | int match=1; \ | |
2141 | \ | |
595a136b | 2142 | ptr = Mcd##mcd##Data + 128 * (nfile + 1); \ |
ef79bbde P |
2143 | nfile++; \ |
2144 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
595a136b | 2145 | /* Bug link files show up as free block. */ \ |
2146 | if (!ptr[0xa]) continue; \ | |
ef79bbde P |
2147 | ptr+= 0xa; \ |
2148 | if (pfile[0] == 0) { \ | |
507d7c1d | 2149 | strncpy(dir->name, ptr, sizeof(dir->name)); \ |
2150 | dir->name[sizeof(dir->name) - 1] = '\0'; \ | |
ef79bbde P |
2151 | } else for (i=0; i<20; i++) { \ |
2152 | if (pfile[i] == ptr[i]) { \ | |
595a136b | 2153 | dir->name[i] = ptr[i]; continue; } \ |
ef79bbde P |
2154 | if (pfile[i] == '?') { \ |
2155 | dir->name[i] = ptr[i]; continue; } \ | |
2156 | if (pfile[i] == '*') { \ | |
2157 | strcpy(dir->name+i, ptr+i); break; } \ | |
2158 | match = 0; break; \ | |
2159 | } \ | |
2160 | SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ | |
595a136b | 2161 | if (match == 0) { continue; } \ |
ef79bbde P |
2162 | dir->size = 8192; \ |
2163 | v0 = _dir; \ | |
2164 | break; \ | |
2165 | } \ | |
2166 | } | |
2167 | ||
2168 | /* | |
2169 | * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); | |
2170 | */ | |
2171 | ||
2172 | void psxBios_firstfile() { // 42 | |
2173 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; | |
02949f79 | 2174 | void *pa0 = Ra0; |
ef79bbde P |
2175 | u32 _dir = a1; |
2176 | char *ptr; | |
2177 | int i; | |
2178 | ||
2179 | #ifdef PSXBIOS_LOG | |
2180 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); | |
2181 | #endif | |
2182 | ||
2183 | v0 = 0; | |
2184 | ||
02949f79 | 2185 | if (pa0) { |
2186 | strcpy(ffile, pa0); | |
2187 | pfile = ffile+5; | |
2188 | nfile = 1; | |
2189 | if (!strncmp(pa0, "bu00", 4)) { | |
857fabea | 2190 | // firstfile() calls _card_read() internally, so deliver it's event |
2191 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2192 | bufile(1); |
2193 | } else if (!strncmp(pa0, "bu10", 4)) { | |
857fabea | 2194 | // firstfile() calls _card_read() internally, so deliver it's event |
2195 | DeliverEvent(0x11, 0x2); | |
02949f79 | 2196 | bufile(2); |
2197 | } | |
ef79bbde P |
2198 | } |
2199 | ||
2200 | pc0 = ra; | |
2201 | } | |
2202 | ||
2203 | /* | |
2204 | * struct DIRENTRY* nextfile(struct DIRENTRY *dir); | |
2205 | */ | |
2206 | ||
2207 | void psxBios_nextfile() { // 43 | |
2208 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; | |
2209 | u32 _dir = a0; | |
2210 | char *ptr; | |
2211 | int i; | |
2212 | ||
2213 | #ifdef PSXBIOS_LOG | |
2214 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); | |
2215 | #endif | |
2216 | ||
2217 | v0 = 0; | |
2218 | ||
2219 | if (!strncmp(ffile, "bu00", 4)) { | |
2220 | bufile(1); | |
2221 | } | |
2222 | ||
2223 | if (!strncmp(ffile, "bu10", 4)) { | |
2224 | bufile(2); | |
2225 | } | |
2226 | ||
2227 | pc0 = ra; | |
2228 | } | |
2229 | ||
2230 | #define burename(mcd) { \ | |
2231 | for (i=1; i<16; i++) { \ | |
2232 | int namelen, j, xor = 0; \ | |
2233 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2234 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2235 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2236 | namelen = strlen(Ra1+5); \ | |
2237 | memcpy(ptr+0xa, Ra1+5, namelen); \ | |
2238 | memset(ptr+0xa+namelen, 0, 0x75-namelen); \ | |
2239 | for (j=0; j<127; j++) xor^= ptr[j]; \ | |
2240 | ptr[127] = xor; \ | |
2241 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ | |
2242 | v0 = 1; \ | |
2243 | break; \ | |
2244 | } \ | |
2245 | } | |
2246 | ||
2247 | /* | |
2248 | * int rename(char *old, char *new); | |
2249 | */ | |
2250 | ||
2251 | void psxBios_rename() { // 44 | |
02949f79 | 2252 | void *pa0 = Ra0; |
2253 | void *pa1 = Ra1; | |
ef79bbde P |
2254 | char *ptr; |
2255 | int i; | |
2256 | ||
2257 | #ifdef PSXBIOS_LOG | |
2258 | PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); | |
2259 | #endif | |
2260 | ||
2261 | v0 = 0; | |
2262 | ||
02949f79 | 2263 | if (pa0 && pa1) { |
2264 | if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) { | |
2265 | burename(1); | |
2266 | } | |
ef79bbde | 2267 | |
02949f79 | 2268 | if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) { |
2269 | burename(2); | |
2270 | } | |
ef79bbde P |
2271 | } |
2272 | ||
2273 | pc0 = ra; | |
2274 | } | |
2275 | ||
2276 | ||
2277 | #define budelete(mcd) { \ | |
2278 | for (i=1; i<16; i++) { \ | |
2279 | ptr = Mcd##mcd##Data + 128 * i; \ | |
2280 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
2281 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
2282 | *ptr = (*ptr & 0xf) | 0xA0; \ | |
2283 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ | |
2284 | SysPrintf("delete %s\n", ptr+0xa); \ | |
2285 | v0 = 1; \ | |
2286 | break; \ | |
2287 | } \ | |
2288 | } | |
2289 | ||
2290 | /* | |
2291 | * int delete(char *name); | |
2292 | */ | |
2293 | ||
2294 | void psxBios_delete() { // 45 | |
02949f79 | 2295 | void *pa0 = Ra0; |
ef79bbde P |
2296 | char *ptr; |
2297 | int i; | |
2298 | ||
2299 | #ifdef PSXBIOS_LOG | |
2300 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); | |
2301 | #endif | |
2302 | ||
2303 | v0 = 0; | |
2304 | ||
02949f79 | 2305 | if (pa0) { |
2306 | if (!strncmp(pa0, "bu00", 4)) { | |
2307 | budelete(1); | |
2308 | } | |
ef79bbde | 2309 | |
02949f79 | 2310 | if (!strncmp(pa0, "bu10", 4)) { |
2311 | budelete(2); | |
2312 | } | |
ef79bbde P |
2313 | } |
2314 | ||
2315 | pc0 = ra; | |
2316 | } | |
2317 | ||
2318 | void psxBios_InitCARD() { // 4a | |
2319 | #ifdef PSXBIOS_LOG | |
2320 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); | |
2321 | #endif | |
2322 | ||
2323 | CardState = 0; | |
2324 | ||
2325 | pc0 = ra; | |
2326 | } | |
2327 | ||
2328 | void psxBios_StartCARD() { // 4b | |
2329 | #ifdef PSXBIOS_LOG | |
2330 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); | |
2331 | #endif | |
2332 | ||
2333 | if (CardState == 0) CardState = 1; | |
2334 | ||
2335 | pc0 = ra; | |
2336 | } | |
2337 | ||
2338 | void psxBios_StopCARD() { // 4c | |
2339 | #ifdef PSXBIOS_LOG | |
2340 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); | |
2341 | #endif | |
2342 | ||
2343 | if (CardState == 1) CardState = 0; | |
2344 | ||
2345 | pc0 = ra; | |
2346 | } | |
2347 | ||
2348 | void psxBios__card_write() { // 0x4e | |
02949f79 | 2349 | void *pa2 = Ra2; |
ef79bbde P |
2350 | int port; |
2351 | ||
2352 | #ifdef PSXBIOS_LOG | |
2353 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); | |
2354 | #endif | |
bd48ba5e | 2355 | /* Function also accepts sector 400h (a bug) */ |
2356 | if (!(a1 <= 0x400)) | |
2357 | { | |
2358 | /* Invalid sectors */ | |
2359 | v0 = 0; pc0 = ra; | |
2360 | return; | |
2361 | } | |
e9fda093 | 2362 | card_active_chan = a0; |
ef79bbde P |
2363 | port = a0 >> 4; |
2364 | ||
02949f79 | 2365 | if (pa2) { |
2366 | if (port == 0) { | |
2367 | memcpy(Mcd1Data + a1 * 128, pa2, 128); | |
2368 | SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); | |
2369 | } else { | |
2370 | memcpy(Mcd2Data + a1 * 128, pa2, 128); | |
2371 | SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); | |
2372 | } | |
ef79bbde P |
2373 | } |
2374 | ||
2375 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2376 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2377 | ||
2378 | v0 = 1; pc0 = ra; | |
2379 | } | |
2380 | ||
2381 | void psxBios__card_read() { // 0x4f | |
02949f79 | 2382 | void *pa2 = Ra2; |
ef79bbde P |
2383 | int port; |
2384 | ||
2385 | #ifdef PSXBIOS_LOG | |
2386 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); | |
2387 | #endif | |
bd48ba5e | 2388 | /* Function also accepts sector 400h (a bug) */ |
2389 | if (!(a1 <= 0x400)) | |
2390 | { | |
2391 | /* Invalid sectors */ | |
2392 | v0 = 0; pc0 = ra; | |
2393 | return; | |
2394 | } | |
e9fda093 | 2395 | card_active_chan = a0; |
ef79bbde P |
2396 | port = a0 >> 4; |
2397 | ||
02949f79 | 2398 | if (pa2) { |
2399 | if (port == 0) { | |
2400 | memcpy(pa2, Mcd1Data + a1 * 128, 128); | |
2401 | } else { | |
2402 | memcpy(pa2, Mcd2Data + a1 * 128, 128); | |
2403 | } | |
ef79bbde P |
2404 | } |
2405 | ||
2406 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2407 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2408 | ||
2409 | v0 = 1; pc0 = ra; | |
2410 | } | |
2411 | ||
2412 | void psxBios__new_card() { // 0x50 | |
2413 | #ifdef PSXBIOS_LOG | |
2414 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); | |
2415 | #endif | |
2416 | ||
2417 | pc0 = ra; | |
2418 | } | |
2419 | ||
002b2f7d | 2420 | /* According to a user, this allows Final Fantasy Tactics to save/load properly */ |
2421 | void psxBios__get_error(void) // 55 | |
2422 | { | |
2423 | v0 = 0; | |
2424 | pc0 = ra; | |
2425 | } | |
2426 | ||
ef79bbde P |
2427 | void psxBios_Krom2RawAdd() { // 0x51 |
2428 | int i = 0; | |
2429 | ||
2430 | const u32 table_8140[][2] = { | |
2431 | {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, | |
2432 | {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, | |
2433 | {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, | |
2434 | {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, | |
2435 | {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, | |
2436 | {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, | |
2437 | {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, | |
2438 | {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, | |
2439 | {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, | |
2440 | {0xffff, 0} | |
2441 | }; | |
2442 | ||
2443 | const u32 table_889f[][2] = { | |
2444 | {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, | |
2445 | {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, | |
2446 | {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, | |
2447 | {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, | |
2448 | {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, | |
2449 | {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, | |
2450 | {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, | |
2451 | {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, | |
2452 | {0xffff, 0} | |
2453 | }; | |
2454 | ||
2455 | if (a0 >= 0x8140 && a0 <= 0x84be) { | |
2456 | while (table_8140[i][0] <= a0) i++; | |
2457 | a0 -= table_8140[i - 1][0]; | |
2458 | v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); | |
2459 | } else if (a0 >= 0x889f && a0 <= 0x9872) { | |
2460 | while (table_889f[i][0] <= a0) i++; | |
2461 | a0 -= table_889f[i - 1][0]; | |
2462 | v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); | |
2463 | } else { | |
2464 | v0 = 0xffffffff; | |
2465 | } | |
2466 | ||
2467 | pc0 = ra; | |
2468 | } | |
2469 | ||
2470 | void psxBios_GetC0Table() { // 56 | |
2471 | #ifdef PSXBIOS_LOG | |
2472 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); | |
2473 | #endif | |
2474 | ||
2475 | v0 = 0x674; pc0 = ra; | |
2476 | } | |
2477 | ||
2478 | void psxBios_GetB0Table() { // 57 | |
2479 | #ifdef PSXBIOS_LOG | |
2480 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); | |
2481 | #endif | |
2482 | ||
2483 | v0 = 0x874; pc0 = ra; | |
2484 | } | |
2485 | ||
e9fda093 | 2486 | void psxBios__card_chan() { // 0x58 |
2487 | #ifdef PSXBIOS_LOG | |
2488 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]); | |
2489 | #endif | |
2490 | ||
2491 | v0 = card_active_chan; | |
2492 | pc0 = ra; | |
2493 | } | |
2494 | ||
ef79bbde P |
2495 | void psxBios_ChangeClearPad() { // 5b |
2496 | #ifdef PSXBIOS_LOG | |
2497 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); | |
2498 | #endif | |
2499 | ||
2500 | pc0 = ra; | |
2501 | } | |
2502 | ||
2503 | /* System calls C0 */ | |
2504 | ||
2505 | /* | |
2506 | * int SysEnqIntRP(int index , long *queue); | |
2507 | */ | |
2508 | ||
2509 | void psxBios_SysEnqIntRP() { // 02 | |
2510 | #ifdef PSXBIOS_LOG | |
2511 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0); | |
2512 | #endif | |
2513 | ||
2514 | SysIntRP[a0] = a1; | |
2515 | ||
2516 | v0 = 0; pc0 = ra; | |
2517 | } | |
2518 | ||
2519 | /* | |
2520 | * int SysDeqIntRP(int index , long *queue); | |
2521 | */ | |
2522 | ||
2523 | void psxBios_SysDeqIntRP() { // 03 | |
2524 | #ifdef PSXBIOS_LOG | |
2525 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0); | |
2526 | #endif | |
2527 | ||
2528 | SysIntRP[a0] = 0; | |
2529 | ||
2530 | v0 = 0; pc0 = ra; | |
2531 | } | |
2532 | ||
2533 | void psxBios_ChangeClearRCnt() { // 0a | |
2534 | u32 *ptr; | |
2535 | ||
2536 | #ifdef PSXBIOS_LOG | |
2537 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); | |
2538 | #endif | |
2539 | ||
2540 | ptr = (u32*)PSXM((a0 << 2) + 0x8600); | |
2541 | v0 = *ptr; | |
2542 | *ptr = a1; | |
2543 | ||
2544 | // psxRegs.CP0.n.Status|= 0x404; | |
2545 | pc0 = ra; | |
2546 | } | |
2547 | ||
2548 | void psxBios_dummy() { | |
2549 | #ifdef PSXBIOS_LOG | |
2550 | PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1); | |
2551 | #endif | |
2552 | pc0 = ra; | |
2553 | } | |
2554 | ||
2555 | void (*biosA0[256])(); | |
2556 | void (*biosB0[256])(); | |
2557 | void (*biosC0[256])(); | |
2558 | ||
2559 | #include "sjisfont.h" | |
2560 | ||
2561 | void psxBiosInit() { | |
2562 | u32 base, size; | |
2563 | u32 *ptr; | |
2564 | int i; | |
2565 | uLongf len; | |
2566 | ||
2567 | for(i = 0; i < 256; i++) { | |
2568 | biosA0[i] = NULL; | |
2569 | biosB0[i] = NULL; | |
2570 | biosC0[i] = NULL; | |
2571 | } | |
2572 | biosA0[0x3e] = psxBios_puts; | |
2573 | biosA0[0x3f] = psxBios_printf; | |
2574 | ||
2575 | biosB0[0x3d] = psxBios_putchar; | |
2576 | biosB0[0x3f] = psxBios_puts; | |
2577 | ||
2578 | if (!Config.HLE) return; | |
2579 | ||
2580 | for(i = 0; i < 256; i++) { | |
2581 | if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; | |
2582 | if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; | |
2583 | if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; | |
2584 | } | |
2585 | ||
2586 | biosA0[0x00] = psxBios_open; | |
2587 | biosA0[0x01] = psxBios_lseek; | |
2588 | biosA0[0x02] = psxBios_read; | |
2589 | biosA0[0x03] = psxBios_write; | |
2590 | biosA0[0x04] = psxBios_close; | |
2591 | //biosA0[0x05] = psxBios_ioctl; | |
2592 | //biosA0[0x06] = psxBios_exit; | |
2593 | //biosA0[0x07] = psxBios_sys_a0_07; | |
324cec89 | 2594 | biosA0[0x08] = psxBios_getc; |
2595 | biosA0[0x09] = psxBios_putc; | |
ba11675c | 2596 | biosA0[0x0a] = psxBios_todigit; |
ef79bbde P |
2597 | //biosA0[0x0b] = psxBios_atof; |
2598 | //biosA0[0x0c] = psxBios_strtoul; | |
2599 | //biosA0[0x0d] = psxBios_strtol; | |
2600 | biosA0[0x0e] = psxBios_abs; | |
2601 | biosA0[0x0f] = psxBios_labs; | |
2602 | biosA0[0x10] = psxBios_atoi; | |
2603 | biosA0[0x11] = psxBios_atol; | |
2604 | //biosA0[0x12] = psxBios_atob; | |
2605 | biosA0[0x13] = psxBios_setjmp; | |
2606 | biosA0[0x14] = psxBios_longjmp; | |
2607 | biosA0[0x15] = psxBios_strcat; | |
2608 | biosA0[0x16] = psxBios_strncat; | |
2609 | biosA0[0x17] = psxBios_strcmp; | |
2610 | biosA0[0x18] = psxBios_strncmp; | |
2611 | biosA0[0x19] = psxBios_strcpy; | |
2612 | biosA0[0x1a] = psxBios_strncpy; | |
2613 | biosA0[0x1b] = psxBios_strlen; | |
2614 | biosA0[0x1c] = psxBios_index; | |
2615 | biosA0[0x1d] = psxBios_rindex; | |
2616 | biosA0[0x1e] = psxBios_strchr; | |
2617 | biosA0[0x1f] = psxBios_strrchr; | |
2618 | biosA0[0x20] = psxBios_strpbrk; | |
2619 | biosA0[0x21] = psxBios_strspn; | |
2620 | biosA0[0x22] = psxBios_strcspn; | |
2621 | biosA0[0x23] = psxBios_strtok; | |
2622 | biosA0[0x24] = psxBios_strstr; | |
2623 | biosA0[0x25] = psxBios_toupper; | |
2624 | biosA0[0x26] = psxBios_tolower; | |
2625 | biosA0[0x27] = psxBios_bcopy; | |
2626 | biosA0[0x28] = psxBios_bzero; | |
2627 | biosA0[0x29] = psxBios_bcmp; | |
2628 | biosA0[0x2a] = psxBios_memcpy; | |
2629 | biosA0[0x2b] = psxBios_memset; | |
2630 | biosA0[0x2c] = psxBios_memmove; | |
2631 | biosA0[0x2d] = psxBios_memcmp; | |
2632 | biosA0[0x2e] = psxBios_memchr; | |
2633 | biosA0[0x2f] = psxBios_rand; | |
2634 | biosA0[0x30] = psxBios_srand; | |
2635 | biosA0[0x31] = psxBios_qsort; | |
2636 | //biosA0[0x32] = psxBios_strtod; | |
2637 | biosA0[0x33] = psxBios_malloc; | |
2638 | biosA0[0x34] = psxBios_free; | |
2639 | //biosA0[0x35] = psxBios_lsearch; | |
2640 | //biosA0[0x36] = psxBios_bsearch; | |
2641 | biosA0[0x37] = psxBios_calloc; | |
2642 | biosA0[0x38] = psxBios_realloc; | |
2643 | biosA0[0x39] = psxBios_InitHeap; | |
2644 | //biosA0[0x3a] = psxBios__exit; | |
2645 | biosA0[0x3b] = psxBios_getchar; | |
2646 | biosA0[0x3c] = psxBios_putchar; | |
2647 | //biosA0[0x3d] = psxBios_gets; | |
2648 | //biosA0[0x40] = psxBios_sys_a0_40; | |
2649 | //biosA0[0x41] = psxBios_LoadTest; | |
2650 | biosA0[0x42] = psxBios_Load; | |
2651 | biosA0[0x43] = psxBios_Exec; | |
2652 | biosA0[0x44] = psxBios_FlushCache; | |
2653 | //biosA0[0x45] = psxBios_InstallInterruptHandler; | |
2654 | biosA0[0x46] = psxBios_GPU_dw; | |
2655 | biosA0[0x47] = psxBios_mem2vram; | |
2656 | biosA0[0x48] = psxBios_SendGPU; | |
2657 | biosA0[0x49] = psxBios_GPU_cw; | |
2658 | biosA0[0x4a] = psxBios_GPU_cwb; | |
2659 | biosA0[0x4b] = psxBios_GPU_SendPackets; | |
2660 | biosA0[0x4c] = psxBios_sys_a0_4c; | |
2661 | biosA0[0x4d] = psxBios_GPU_GetGPUStatus; | |
2662 | //biosA0[0x4e] = psxBios_GPU_sync; | |
2663 | //biosA0[0x4f] = psxBios_sys_a0_4f; | |
2664 | //biosA0[0x50] = psxBios_sys_a0_50; | |
2665 | biosA0[0x51] = psxBios_LoadExec; | |
2666 | //biosA0[0x52] = psxBios_GetSysSp; | |
2667 | //biosA0[0x53] = psxBios_sys_a0_53; | |
2668 | //biosA0[0x54] = psxBios__96_init_a54; | |
2669 | //biosA0[0x55] = psxBios__bu_init_a55; | |
2670 | //biosA0[0x56] = psxBios__96_remove_a56; | |
2671 | //biosA0[0x57] = psxBios_sys_a0_57; | |
2672 | //biosA0[0x58] = psxBios_sys_a0_58; | |
2673 | //biosA0[0x59] = psxBios_sys_a0_59; | |
2674 | //biosA0[0x5a] = psxBios_sys_a0_5a; | |
2675 | //biosA0[0x5b] = psxBios_dev_tty_init; | |
2676 | //biosA0[0x5c] = psxBios_dev_tty_open; | |
2677 | //biosA0[0x5d] = psxBios_sys_a0_5d; | |
2678 | //biosA0[0x5e] = psxBios_dev_tty_ioctl; | |
2679 | //biosA0[0x5f] = psxBios_dev_cd_open; | |
2680 | //biosA0[0x60] = psxBios_dev_cd_read; | |
2681 | //biosA0[0x61] = psxBios_dev_cd_close; | |
2682 | //biosA0[0x62] = psxBios_dev_cd_firstfile; | |
2683 | //biosA0[0x63] = psxBios_dev_cd_nextfile; | |
2684 | //biosA0[0x64] = psxBios_dev_cd_chdir; | |
2685 | //biosA0[0x65] = psxBios_dev_card_open; | |
2686 | //biosA0[0x66] = psxBios_dev_card_read; | |
2687 | //biosA0[0x67] = psxBios_dev_card_write; | |
2688 | //biosA0[0x68] = psxBios_dev_card_close; | |
2689 | //biosA0[0x69] = psxBios_dev_card_firstfile; | |
2690 | //biosA0[0x6a] = psxBios_dev_card_nextfile; | |
2691 | //biosA0[0x6b] = psxBios_dev_card_erase; | |
2692 | //biosA0[0x6c] = psxBios_dev_card_undelete; | |
2693 | //biosA0[0x6d] = psxBios_dev_card_format; | |
2694 | //biosA0[0x6e] = psxBios_dev_card_rename; | |
2695 | //biosA0[0x6f] = psxBios_dev_card_6f; | |
2696 | biosA0[0x70] = psxBios__bu_init; | |
2697 | biosA0[0x71] = psxBios__96_init; | |
2698 | biosA0[0x72] = psxBios__96_remove; | |
2699 | //biosA0[0x73] = psxBios_sys_a0_73; | |
2700 | //biosA0[0x74] = psxBios_sys_a0_74; | |
2701 | //biosA0[0x75] = psxBios_sys_a0_75; | |
2702 | //biosA0[0x76] = psxBios_sys_a0_76; | |
2703 | //biosA0[0x77] = psxBios_sys_a0_77; | |
2704 | //biosA0[0x78] = psxBios__96_CdSeekL; | |
2705 | //biosA0[0x79] = psxBios_sys_a0_79; | |
2706 | //biosA0[0x7a] = psxBios_sys_a0_7a; | |
2707 | //biosA0[0x7b] = psxBios_sys_a0_7b; | |
2708 | //biosA0[0x7c] = psxBios__96_CdGetStatus; | |
2709 | //biosA0[0x7d] = psxBios_sys_a0_7d; | |
2710 | //biosA0[0x7e] = psxBios__96_CdRead; | |
2711 | //biosA0[0x7f] = psxBios_sys_a0_7f; | |
2712 | //biosA0[0x80] = psxBios_sys_a0_80; | |
2713 | //biosA0[0x81] = psxBios_sys_a0_81; | |
2714 | //biosA0[0x82] = psxBios_sys_a0_82; | |
2715 | //biosA0[0x83] = psxBios_sys_a0_83; | |
2716 | //biosA0[0x84] = psxBios_sys_a0_84; | |
2717 | //biosA0[0x85] = psxBios__96_CdStop; | |
2718 | //biosA0[0x86] = psxBios_sys_a0_86; | |
2719 | //biosA0[0x87] = psxBios_sys_a0_87; | |
2720 | //biosA0[0x88] = psxBios_sys_a0_88; | |
2721 | //biosA0[0x89] = psxBios_sys_a0_89; | |
2722 | //biosA0[0x8a] = psxBios_sys_a0_8a; | |
2723 | //biosA0[0x8b] = psxBios_sys_a0_8b; | |
2724 | //biosA0[0x8c] = psxBios_sys_a0_8c; | |
2725 | //biosA0[0x8d] = psxBios_sys_a0_8d; | |
2726 | //biosA0[0x8e] = psxBios_sys_a0_8e; | |
2727 | //biosA0[0x8f] = psxBios_sys_a0_8f; | |
2728 | //biosA0[0x90] = psxBios_sys_a0_90; | |
2729 | //biosA0[0x91] = psxBios_sys_a0_91; | |
2730 | //biosA0[0x92] = psxBios_sys_a0_92; | |
2731 | //biosA0[0x93] = psxBios_sys_a0_93; | |
2732 | //biosA0[0x94] = psxBios_sys_a0_94; | |
2733 | //biosA0[0x95] = psxBios_sys_a0_95; | |
2734 | //biosA0[0x96] = psxBios_AddCDROMDevice; | |
2735 | //biosA0[0x97] = psxBios_AddMemCardDevide; | |
2736 | //biosA0[0x98] = psxBios_DisableKernelIORedirection; | |
2737 | //biosA0[0x99] = psxBios_EnableKernelIORedirection; | |
2738 | //biosA0[0x9a] = psxBios_sys_a0_9a; | |
2739 | //biosA0[0x9b] = psxBios_sys_a0_9b; | |
2740 | //biosA0[0x9c] = psxBios_SetConf; | |
2741 | //biosA0[0x9d] = psxBios_GetConf; | |
2742 | //biosA0[0x9e] = psxBios_sys_a0_9e; | |
2743 | biosA0[0x9f] = psxBios_SetMem; | |
2744 | //biosA0[0xa0] = psxBios__boot; | |
2745 | //biosA0[0xa1] = psxBios_SystemError; | |
2746 | //biosA0[0xa2] = psxBios_EnqueueCdIntr; | |
2747 | //biosA0[0xa3] = psxBios_DequeueCdIntr; | |
2748 | //biosA0[0xa4] = psxBios_sys_a0_a4; | |
2749 | //biosA0[0xa5] = psxBios_ReadSector; | |
2750 | //biosA0[0xa6] = psxBios_get_cd_status; | |
2751 | //biosA0[0xa7] = psxBios_bufs_cb_0; | |
2752 | //biosA0[0xa8] = psxBios_bufs_cb_1; | |
2753 | //biosA0[0xa9] = psxBios_bufs_cb_2; | |
2754 | //biosA0[0xaa] = psxBios_bufs_cb_3; | |
2755 | biosA0[0xab] = psxBios__card_info; | |
2756 | biosA0[0xac] = psxBios__card_load; | |
2757 | //biosA0[0axd] = psxBios__card_auto; | |
2758 | //biosA0[0xae] = psxBios_bufs_cd_4; | |
2759 | //biosA0[0xaf] = psxBios_sys_a0_af; | |
2760 | //biosA0[0xb0] = psxBios_sys_a0_b0; | |
2761 | //biosA0[0xb1] = psxBios_sys_a0_b1; | |
2762 | //biosA0[0xb2] = psxBios_do_a_long_jmp | |
2763 | //biosA0[0xb3] = psxBios_sys_a0_b3; | |
2764 | //biosA0[0xb4] = psxBios_sub_function; | |
2765 | //*******************B0 CALLS**************************** | |
2766 | //biosB0[0x00] = psxBios_SysMalloc; | |
2767 | //biosB0[0x01] = psxBios_sys_b0_01; | |
2768 | biosB0[0x02] = psxBios_SetRCnt; | |
2769 | biosB0[0x03] = psxBios_GetRCnt; | |
2770 | biosB0[0x04] = psxBios_StartRCnt; | |
2771 | biosB0[0x05] = psxBios_StopRCnt; | |
2772 | biosB0[0x06] = psxBios_ResetRCnt; | |
2773 | biosB0[0x07] = psxBios_DeliverEvent; | |
2774 | biosB0[0x08] = psxBios_OpenEvent; | |
2775 | biosB0[0x09] = psxBios_CloseEvent; | |
2776 | biosB0[0x0a] = psxBios_WaitEvent; | |
2777 | biosB0[0x0b] = psxBios_TestEvent; | |
2778 | biosB0[0x0c] = psxBios_EnableEvent; | |
2779 | biosB0[0x0d] = psxBios_DisableEvent; | |
2780 | biosB0[0x0e] = psxBios_OpenTh; | |
2781 | biosB0[0x0f] = psxBios_CloseTh; | |
2782 | biosB0[0x10] = psxBios_ChangeTh; | |
2783 | //biosB0[0x11] = psxBios_psxBios_b0_11; | |
2784 | biosB0[0x12] = psxBios_InitPAD; | |
2785 | biosB0[0x13] = psxBios_StartPAD; | |
2786 | biosB0[0x14] = psxBios_StopPAD; | |
2787 | biosB0[0x15] = psxBios_PAD_init; | |
2788 | biosB0[0x16] = psxBios_PAD_dr; | |
2789 | biosB0[0x17] = psxBios_ReturnFromException; | |
2790 | biosB0[0x18] = psxBios_ResetEntryInt; | |
2791 | biosB0[0x19] = psxBios_HookEntryInt; | |
2792 | //biosB0[0x1a] = psxBios_sys_b0_1a; | |
2793 | //biosB0[0x1b] = psxBios_sys_b0_1b; | |
2794 | //biosB0[0x1c] = psxBios_sys_b0_1c; | |
2795 | //biosB0[0x1d] = psxBios_sys_b0_1d; | |
2796 | //biosB0[0x1e] = psxBios_sys_b0_1e; | |
2797 | //biosB0[0x1f] = psxBios_sys_b0_1f; | |
2798 | biosB0[0x20] = psxBios_UnDeliverEvent; | |
2799 | //biosB0[0x21] = psxBios_sys_b0_21; | |
2800 | //biosB0[0x22] = psxBios_sys_b0_22; | |
2801 | //biosB0[0x23] = psxBios_sys_b0_23; | |
2802 | //biosB0[0x24] = psxBios_sys_b0_24; | |
2803 | //biosB0[0x25] = psxBios_sys_b0_25; | |
2804 | //biosB0[0x26] = psxBios_sys_b0_26; | |
2805 | //biosB0[0x27] = psxBios_sys_b0_27; | |
2806 | //biosB0[0x28] = psxBios_sys_b0_28; | |
2807 | //biosB0[0x29] = psxBios_sys_b0_29; | |
2808 | //biosB0[0x2a] = psxBios_sys_b0_2a; | |
2809 | //biosB0[0x2b] = psxBios_sys_b0_2b; | |
2810 | //biosB0[0x2c] = psxBios_sys_b0_2c; | |
2811 | //biosB0[0x2d] = psxBios_sys_b0_2d; | |
2812 | //biosB0[0x2e] = psxBios_sys_b0_2e; | |
2813 | //biosB0[0x2f] = psxBios_sys_b0_2f; | |
2814 | //biosB0[0x30] = psxBios_sys_b0_30; | |
2815 | //biosB0[0x31] = psxBios_sys_b0_31; | |
2816 | biosB0[0x32] = psxBios_open; | |
2817 | biosB0[0x33] = psxBios_lseek; | |
2818 | biosB0[0x34] = psxBios_read; | |
2819 | biosB0[0x35] = psxBios_write; | |
2820 | biosB0[0x36] = psxBios_close; | |
2821 | //biosB0[0x37] = psxBios_ioctl; | |
2822 | //biosB0[0x38] = psxBios_exit; | |
2823 | //biosB0[0x39] = psxBios_sys_b0_39; | |
2824 | //biosB0[0x3a] = psxBios_getc; | |
2825 | //biosB0[0x3b] = psxBios_putc; | |
2826 | biosB0[0x3c] = psxBios_getchar; | |
2827 | //biosB0[0x3e] = psxBios_gets; | |
2828 | //biosB0[0x40] = psxBios_cd; | |
e7e1f572 | 2829 | biosB0[0x41] = psxBios_format; |
ef79bbde P |
2830 | biosB0[0x42] = psxBios_firstfile; |
2831 | biosB0[0x43] = psxBios_nextfile; | |
2832 | biosB0[0x44] = psxBios_rename; | |
2833 | biosB0[0x45] = psxBios_delete; | |
2834 | //biosB0[0x46] = psxBios_undelete; | |
2835 | //biosB0[0x47] = psxBios_AddDevice; | |
2836 | //biosB0[0x48] = psxBios_RemoteDevice; | |
2837 | //biosB0[0x49] = psxBios_PrintInstalledDevices; | |
2838 | biosB0[0x4a] = psxBios_InitCARD; | |
2839 | biosB0[0x4b] = psxBios_StartCARD; | |
2840 | biosB0[0x4c] = psxBios_StopCARD; | |
2841 | //biosB0[0x4d] = psxBios_sys_b0_4d; | |
2842 | biosB0[0x4e] = psxBios__card_write; | |
2843 | biosB0[0x4f] = psxBios__card_read; | |
2844 | biosB0[0x50] = psxBios__new_card; | |
2845 | biosB0[0x51] = psxBios_Krom2RawAdd; | |
2846 | //biosB0[0x52] = psxBios_sys_b0_52; | |
2847 | //biosB0[0x53] = psxBios_sys_b0_53; | |
2848 | //biosB0[0x54] = psxBios__get_errno; | |
002b2f7d | 2849 | biosB0[0x55] = psxBios__get_error; |
ef79bbde P |
2850 | biosB0[0x56] = psxBios_GetC0Table; |
2851 | biosB0[0x57] = psxBios_GetB0Table; | |
e9fda093 | 2852 | biosB0[0x58] = psxBios__card_chan; |
ef79bbde P |
2853 | //biosB0[0x59] = psxBios_sys_b0_59; |
2854 | //biosB0[0x5a] = psxBios_sys_b0_5a; | |
2855 | biosB0[0x5b] = psxBios_ChangeClearPad; | |
2856 | //biosB0[0x5c] = psxBios__card_status; | |
2857 | //biosB0[0x5d] = psxBios__card_wait; | |
2858 | //*******************C0 CALLS**************************** | |
2859 | //biosC0[0x00] = psxBios_InitRCnt; | |
2860 | //biosC0[0x01] = psxBios_InitException; | |
2861 | biosC0[0x02] = psxBios_SysEnqIntRP; | |
2862 | biosC0[0x03] = psxBios_SysDeqIntRP; | |
2863 | //biosC0[0x04] = psxBios_get_free_EvCB_slot; | |
2864 | //biosC0[0x05] = psxBios_get_free_TCB_slot; | |
2865 | //biosC0[0x06] = psxBios_ExceptionHandler; | |
2866 | //biosC0[0x07] = psxBios_InstallExeptionHandler; | |
2867 | //biosC0[0x08] = psxBios_SysInitMemory; | |
2868 | //biosC0[0x09] = psxBios_SysInitKMem; | |
2869 | biosC0[0x0a] = psxBios_ChangeClearRCnt; | |
2870 | //biosC0[0x0b] = psxBios_SystemError; | |
2871 | //biosC0[0x0c] = psxBios_InitDefInt; | |
2872 | //biosC0[0x0d] = psxBios_sys_c0_0d; | |
2873 | //biosC0[0x0e] = psxBios_sys_c0_0e; | |
2874 | //biosC0[0x0f] = psxBios_sys_c0_0f; | |
2875 | //biosC0[0x10] = psxBios_sys_c0_10; | |
2876 | //biosC0[0x11] = psxBios_sys_c0_11; | |
2877 | //biosC0[0x12] = psxBios_InstallDevices; | |
2878 | //biosC0[0x13] = psxBios_FlushStfInOutPut; | |
2879 | //biosC0[0x14] = psxBios_sys_c0_14; | |
2880 | //biosC0[0x15] = psxBios__cdevinput; | |
2881 | //biosC0[0x16] = psxBios__cdevscan; | |
2882 | //biosC0[0x17] = psxBios__circgetc; | |
2883 | //biosC0[0x18] = psxBios__circputc; | |
2884 | //biosC0[0x19] = psxBios_ioabort; | |
2885 | //biosC0[0x1a] = psxBios_sys_c0_1a | |
2886 | //biosC0[0x1b] = psxBios_KernelRedirect; | |
2887 | //biosC0[0x1c] = psxBios_PatchAOTable; | |
2888 | //************** THE END *************************************** | |
2889 | /**/ | |
2890 | base = 0x1000; | |
2891 | size = sizeof(EvCB) * 32; | |
2892 | Event = (void *)&psxR[base]; base += size * 6; | |
2893 | memset(Event, 0, size * 6); | |
2894 | HwEV = Event; | |
2895 | EvEV = Event + 32; | |
2896 | RcEV = Event + 32 * 2; | |
2897 | UeEV = Event + 32 * 3; | |
2898 | SwEV = Event + 32 * 4; | |
2899 | ThEV = Event + 32 * 5; | |
2900 | ||
2901 | ptr = (u32 *)&psxM[0x0874]; // b0 table | |
2902 | ptr[0] = SWAPu32(0x4c54 - 0x884); | |
2903 | ||
2904 | ptr = (u32 *)&psxM[0x0674]; // c0 table | |
2905 | ptr[6] = SWAPu32(0xc80); | |
2906 | ||
2907 | memset(SysIntRP, 0, sizeof(SysIntRP)); | |
2908 | memset(Thread, 0, sizeof(Thread)); | |
2909 | Thread[0].status = 2; // main thread | |
2910 | ||
c62b43c9 | 2911 | jmp_int = NULL; |
2912 | pad_buf = NULL; | |
2913 | pad_buf1 = NULL; | |
2914 | pad_buf2 = NULL; | |
2915 | pad_buf1len = pad_buf2len = 0; | |
2916 | heap_addr = NULL; | |
2917 | heap_end = NULL; | |
26b964b5 | 2918 | heap_size = 0; |
c62b43c9 | 2919 | CardState = -1; |
2920 | CurThread = 0; | |
2921 | memset(FDesc, 0, sizeof(FDesc)); | |
2922 | ||
ef79bbde P |
2923 | psxMu32ref(0x0150) = SWAPu32(0x160); |
2924 | psxMu32ref(0x0154) = SWAPu32(0x320); | |
2925 | psxMu32ref(0x0160) = SWAPu32(0x248); | |
2926 | strcpy((char *)&psxM[0x248], "bu"); | |
2927 | /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004); | |
2928 | psxMu32ref(0x0cf0) = SWAPu32(0x3c020000); | |
2929 | psxMu32ref(0x0cf4) = SWAPu32(0x2442641c); | |
2930 | psxMu32ref(0x09e0) = SWAPu32(0x43d0); | |
2931 | psxMu32ref(0x4d98) = SWAPu32(0x946f000a); | |
2932 | */ | |
2933 | // opcode HLE | |
2934 | psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4); | |
2935 | psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0); | |
2936 | psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1); | |
2937 | psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2); | |
2938 | psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3); | |
2939 | psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0); | |
2940 | psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5); | |
2941 | psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0); | |
2942 | psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0); | |
2943 | psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0); | |
2944 | ||
2945 | // initial stack pointer for BIOS interrupt | |
2946 | psxMu32ref(0x6c80) = SWAPu32(0x000085c8); | |
2947 | ||
2948 | // initial RNG seed | |
2949 | psxMu32ref(0x9010) = SWAPu32(0xac20cc00); | |
2950 | ||
2951 | // fonts | |
2952 | len = 0x80000 - 0x66000; | |
2953 | uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); | |
2954 | len = 0x80000 - 0x69d68; | |
2955 | uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f)); | |
2956 | ||
2957 | // memory size 2 MB | |
2958 | psxHu32ref(0x1060) = SWAPu32(0x00000b88); | |
2959 | ||
2960 | hleSoftCall = FALSE; | |
2961 | } | |
2962 | ||
2963 | void psxBiosShutdown() { | |
2964 | } | |
2965 | ||
2966 | #define psxBios_PADpoll(pad) { \ | |
2967 | PAD##pad##_startPoll(pad); \ | |
2968 | pad_buf##pad[0] = 0; \ | |
2969 | pad_buf##pad[1] = PAD##pad##_poll(0x42); \ | |
2970 | if (!(pad_buf##pad[1] & 0x0f)) { \ | |
2971 | bufcount = 32; \ | |
2972 | } else { \ | |
2973 | bufcount = (pad_buf##pad[1] & 0x0f) * 2; \ | |
2974 | } \ | |
2975 | PAD##pad##_poll(0); \ | |
2976 | i = 2; \ | |
2977 | while (bufcount--) { \ | |
2978 | pad_buf##pad[i++] = PAD##pad##_poll(0); \ | |
2979 | } \ | |
2980 | } | |
2981 | ||
2982 | void biosInterrupt() { | |
2983 | int i, bufcount; | |
2984 | ||
2985 | // if (psxHu32(0x1070) & 0x1) { // Vsync | |
2986 | if (pad_buf != NULL) { | |
2987 | u32 *buf = (u32*)pad_buf; | |
2988 | ||
2989 | if (!Config.UseNet) { | |
2990 | PAD1_startPoll(1); | |
2991 | if (PAD1_poll(0x42) == 0x23) { | |
2992 | PAD1_poll(0); | |
2993 | *buf = PAD1_poll(0) << 8; | |
2994 | *buf |= PAD1_poll(0); | |
2995 | PAD1_poll(0); | |
2996 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); | |
2997 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); | |
2998 | } else { | |
2999 | PAD1_poll(0); | |
3000 | *buf = PAD1_poll(0) << 8; | |
3001 | *buf|= PAD1_poll(0); | |
3002 | } | |
3003 | ||
3004 | PAD2_startPoll(2); | |
3005 | if (PAD2_poll(0x42) == 0x23) { | |
3006 | PAD2_poll(0); | |
3007 | *buf |= PAD2_poll(0) << 24; | |
3008 | *buf |= PAD2_poll(0) << 16; | |
3009 | PAD2_poll(0); | |
3010 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); | |
3011 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); | |
3012 | } else { | |
3013 | PAD2_poll(0); | |
3014 | *buf |= PAD2_poll(0) << 24; | |
3015 | *buf |= PAD2_poll(0) << 16; | |
3016 | } | |
3017 | } else { | |
3018 | u16 data; | |
3019 | ||
3020 | PAD1_startPoll(1); | |
3021 | PAD1_poll(0x42); | |
3022 | PAD1_poll(0); | |
3023 | data = PAD1_poll(0) << 8; | |
3024 | data |= PAD1_poll(0); | |
3025 | ||
3026 | if (NET_sendPadData(&data, 2) == -1) | |
3027 | netError(); | |
3028 | ||
3029 | if (NET_recvPadData(&((u16*)buf)[0], 1) == -1) | |
3030 | netError(); | |
3031 | if (NET_recvPadData(&((u16*)buf)[1], 2) == -1) | |
3032 | netError(); | |
3033 | } | |
3034 | } | |
3035 | if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) { | |
3036 | psxBios_PADpoll(1); | |
3037 | ||
3038 | if (NET_sendPadData(pad_buf1, i) == -1) | |
3039 | netError(); | |
3040 | ||
3041 | if (NET_recvPadData(pad_buf1, 1) == -1) | |
3042 | netError(); | |
3043 | if (NET_recvPadData(pad_buf2, 2) == -1) | |
3044 | netError(); | |
3045 | } else { | |
3046 | if (pad_buf1) { | |
3047 | psxBios_PADpoll(1); | |
3048 | } | |
3049 | ||
3050 | if (pad_buf2) { | |
3051 | psxBios_PADpoll(2); | |
3052 | } | |
3053 | } | |
3054 | ||
3055 | if (psxHu32(0x1070) & 0x1) { // Vsync | |
3056 | if (RcEV[3][1].status == EvStACTIVE) { | |
3057 | softCall(RcEV[3][1].fhandler); | |
3058 | // hwWrite32(0x1f801070, ~(1)); | |
3059 | } | |
3060 | } | |
3061 | ||
3062 | if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2 | |
3063 | int i; | |
3064 | ||
3065 | for (i = 0; i < 3; i++) { | |
3066 | if (psxHu32(0x1070) & (1 << (i + 4))) { | |
3067 | if (RcEV[i][1].status == EvStACTIVE) { | |
3068 | softCall(RcEV[i][1].fhandler); | |
3069 | } | |
3070 | psxHwWrite32(0x1f801070, ~(1 << (i + 4))); | |
3071 | } | |
3072 | } | |
3073 | } | |
3074 | } | |
3075 | ||
3076 | void psxBiosException() { | |
3077 | int i; | |
3078 | ||
3079 | switch (psxRegs.CP0.n.Cause & 0x3c) { | |
3080 | case 0x00: // Interrupt | |
3081 | #ifdef PSXCPU_LOG | |
3082 | // PSXCPU_LOG("interrupt\n"); | |
3083 | #endif | |
3084 | SaveRegs(); | |
3085 | ||
3086 | sp = psxMu32(0x6c80); // create new stack for interrupt handlers | |
3087 | ||
3088 | biosInterrupt(); | |
3089 | ||
3090 | for (i = 0; i < 8; i++) { | |
3091 | if (SysIntRP[i]) { | |
3092 | u32 *queue = (u32 *)PSXM(SysIntRP[i]); | |
3093 | ||
3094 | s0 = queue[2]; | |
3095 | softCall(queue[1]); | |
3096 | } | |
3097 | } | |
3098 | ||
3099 | if (jmp_int != NULL) { | |
3100 | int i; | |
3101 | ||
3102 | psxHwWrite32(0x1f801070, 0xffffffff); | |
3103 | ||
3104 | ra = jmp_int[0]; | |
3105 | sp = jmp_int[1]; | |
3106 | fp = jmp_int[2]; | |
3107 | for (i = 0; i < 8; i++) // s0-s7 | |
3108 | psxRegs.GPR.r[16 + i] = jmp_int[3 + i]; | |
3109 | gp = jmp_int[11]; | |
3110 | ||
3111 | v0 = 1; | |
3112 | pc0 = ra; | |
3113 | return; | |
3114 | } | |
3115 | psxHwWrite16(0x1f801070, 0); | |
3116 | break; | |
3117 | ||
3118 | case 0x20: // Syscall | |
3119 | #ifdef PSXCPU_LOG | |
3120 | PSXCPU_LOG("syscall exp %x\n", a0); | |
3121 | #endif | |
3122 | switch (a0) { | |
3123 | case 1: // EnterCritical - disable irq's | |
79dad1b3 | 3124 | /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */ |
3125 | v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404; | |
3126 | psxRegs.CP0.n.Status &= ~0x404; | |
ef79bbde P |
3127 | break; |
3128 | ||
3129 | case 2: // ExitCritical - enable irq's | |
3130 | psxRegs.CP0.n.Status |= 0x404; | |
3131 | break; | |
3132 | } | |
3133 | pc0 = psxRegs.CP0.n.EPC + 4; | |
3134 | ||
3135 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
3136 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
3137 | return; | |
3138 | ||
3139 | default: | |
3140 | #ifdef PSXCPU_LOG | |
3141 | PSXCPU_LOG("unknown bios exception!\n"); | |
3142 | #endif | |
3143 | break; | |
3144 | } | |
3145 | ||
3146 | pc0 = psxRegs.CP0.n.EPC; | |
3147 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4; | |
3148 | ||
3149 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
3150 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
3151 | } | |
3152 | ||
3153 | #define bfreeze(ptr, size) { \ | |
3154 | if (Mode == 1) memcpy(&psxR[base], ptr, size); \ | |
3155 | if (Mode == 0) memcpy(ptr, &psxR[base], size); \ | |
3156 | base += size; \ | |
3157 | } | |
3158 | ||
3159 | #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) | |
3160 | #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) | |
3161 | ||
3162 | #define bfreezepsxMptr(ptr, type) { \ | |
3163 | if (Mode == 1) { \ | |
3164 | if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ | |
3165 | else psxRu32ref(base) = 0; \ | |
3166 | } else { \ | |
3167 | if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ | |
3168 | else (ptr) = NULL; \ | |
3169 | } \ | |
3170 | base += sizeof(u32); \ | |
3171 | } | |
3172 | ||
3173 | void psxBiosFreeze(int Mode) { | |
3174 | u32 base = 0x40000; | |
3175 | ||
3176 | bfreezepsxMptr(jmp_int, u32); | |
3177 | bfreezepsxMptr(pad_buf, int); | |
3178 | bfreezepsxMptr(pad_buf1, char); | |
3179 | bfreezepsxMptr(pad_buf2, char); | |
3180 | bfreezepsxMptr(heap_addr, u32); | |
3181 | bfreezel(&pad_buf1len); | |
3182 | bfreezel(&pad_buf2len); | |
3183 | bfreezes(regs); | |
3184 | bfreezes(SysIntRP); | |
3185 | bfreezel(&CardState); | |
3186 | bfreezes(Thread); | |
3187 | bfreezel(&CurThread); | |
3188 | bfreezes(FDesc); | |
e9fda093 | 3189 | bfreezel(&card_active_chan); |
ef79bbde | 3190 | } |