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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" | |
28 | ||
452b85f9 | 29 | #undef SysPrintf |
30 | #define SysPrintf if (Config.PsxOut) printf | |
31 | ||
ef79bbde P |
32 | char *biosA0n[256] = { |
33 | // 0x00 | |
34 | "open", "lseek", "read", "write", | |
35 | "close", "ioctl", "exit", "sys_a0_07", | |
36 | "getc", "putc", "todigit", "atof", | |
37 | "strtoul", "strtol", "abs", "labs", | |
38 | // 0x10 | |
39 | "atoi", "atol", "atob", "setjmp", | |
40 | "longjmp", "strcat", "strncat", "strcmp", | |
41 | "strncmp", "strcpy", "strncpy", "strlen", | |
42 | "index", "rindex", "strchr", "strrchr", | |
43 | // 0x20 | |
44 | "strpbrk", "strspn", "strcspn", "strtok", | |
45 | "strstr", "toupper", "tolower", "bcopy", | |
46 | "bzero", "bcmp", "memcpy", "memset", | |
47 | "memmove", "memcmp", "memchr", "rand", | |
48 | // 0x30 | |
49 | "srand", "qsort", "strtod", "malloc", | |
50 | "free", "lsearch", "bsearch", "calloc", | |
51 | "realloc", "InitHeap", "_exit", "getchar", | |
52 | "putchar", "gets", "puts", "printf", | |
53 | // 0x40 | |
54 | "sys_a0_40", "LoadTest", "Load", "Exec", | |
55 | "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", | |
56 | "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", | |
57 | "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", | |
58 | // 0x50 | |
59 | "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", | |
60 | "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", | |
61 | "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", | |
62 | "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", | |
63 | // 0x60 | |
64 | "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", | |
65 | "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", | |
66 | "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", | |
67 | "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", | |
68 | // 0x70 | |
69 | "_bu_init", "_96_init", "_96_remove", "sys_a0_73", | |
70 | "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", | |
71 | "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", | |
72 | "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", | |
73 | // 0x80 | |
74 | "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", | |
75 | "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", | |
76 | "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", | |
77 | "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", | |
78 | // 0x90 | |
79 | "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", | |
80 | "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", | |
81 | "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", | |
82 | "SetConf", "GetConf", "sys_a0_9e", "SetMem", | |
83 | // 0xa0 | |
84 | "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", | |
85 | "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", | |
86 | "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", | |
87 | "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", | |
88 | // 0xb0 | |
89 | "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", | |
90 | "?? sub_function", | |
91 | }; | |
92 | ||
93 | char *biosB0n[256] = { | |
94 | // 0x00 | |
95 | "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", | |
96 | "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", | |
97 | "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", | |
98 | "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", | |
99 | // 0x10 | |
100 | "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", | |
101 | "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", | |
102 | "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", | |
103 | "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", | |
104 | // 0x20 | |
105 | "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", | |
106 | "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", | |
107 | "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", | |
108 | "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", | |
109 | // 0x30 | |
110 | "sys_b0_30", "sys_b0_31", "open", "lseek", | |
111 | "read", "write", "close", "ioctl", | |
112 | "exit", "sys_b0_39", "getc", "putc", | |
113 | "getchar", "putchar", "gets", "puts", | |
114 | // 0x40 | |
115 | "cd", "format", "firstfile", "nextfile", | |
116 | "rename", "delete", "undelete", "AddDevice", | |
117 | "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", | |
118 | "StopCARD", "sys_b0_4d", "_card_write", "_card_read", | |
119 | // 0x50 | |
120 | "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", | |
121 | "_get_errno", "_get_error", "GetC0Table", "GetB0Table", | |
122 | "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", | |
123 | "_card_status", "_card_wait", | |
124 | }; | |
125 | ||
126 | char *biosC0n[256] = { | |
127 | // 0x00 | |
128 | "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", | |
129 | "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", | |
130 | "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", | |
131 | "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", | |
132 | // 0x10 | |
133 | "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", | |
134 | "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", | |
135 | "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", | |
136 | "PatchAOTable", | |
137 | }; | |
138 | ||
139 | //#define r0 (psxRegs.GPR.n.r0) | |
140 | #define at (psxRegs.GPR.n.at) | |
141 | #define v0 (psxRegs.GPR.n.v0) | |
142 | #define v1 (psxRegs.GPR.n.v1) | |
143 | #define a0 (psxRegs.GPR.n.a0) | |
144 | #define a1 (psxRegs.GPR.n.a1) | |
145 | #define a2 (psxRegs.GPR.n.a2) | |
146 | #define a3 (psxRegs.GPR.n.a3) | |
147 | #define t0 (psxRegs.GPR.n.t0) | |
148 | #define t1 (psxRegs.GPR.n.t1) | |
149 | #define t2 (psxRegs.GPR.n.t2) | |
150 | #define t3 (psxRegs.GPR.n.t3) | |
151 | #define t4 (psxRegs.GPR.n.t4) | |
152 | #define t5 (psxRegs.GPR.n.t5) | |
153 | #define t6 (psxRegs.GPR.n.t6) | |
154 | #define t7 (psxRegs.GPR.n.t7) | |
155 | #define t8 (psxRegs.GPR.n.t8) | |
156 | #define t9 (psxRegs.GPR.n.t9) | |
157 | #define s0 (psxRegs.GPR.n.s0) | |
158 | #define s1 (psxRegs.GPR.n.s1) | |
159 | #define s2 (psxRegs.GPR.n.s2) | |
160 | #define s3 (psxRegs.GPR.n.s3) | |
161 | #define s4 (psxRegs.GPR.n.s4) | |
162 | #define s5 (psxRegs.GPR.n.s5) | |
163 | #define s6 (psxRegs.GPR.n.s6) | |
164 | #define s7 (psxRegs.GPR.n.s7) | |
165 | #define k0 (psxRegs.GPR.n.k0) | |
166 | #define k1 (psxRegs.GPR.n.k1) | |
167 | #define gp (psxRegs.GPR.n.gp) | |
168 | #define sp (psxRegs.GPR.n.sp) | |
169 | #define fp (psxRegs.GPR.n.s8) | |
170 | #define ra (psxRegs.GPR.n.ra) | |
171 | #define pc0 (psxRegs.pc) | |
172 | ||
173 | #define Ra0 ((char *)PSXM(a0)) | |
174 | #define Ra1 ((char *)PSXM(a1)) | |
175 | #define Ra2 ((char *)PSXM(a2)) | |
176 | #define Ra3 ((char *)PSXM(a3)) | |
177 | #define Rv0 ((char *)PSXM(v0)) | |
178 | #define Rsp ((char *)PSXM(sp)) | |
179 | ||
180 | typedef struct { | |
181 | u32 desc; | |
182 | s32 status; | |
183 | s32 mode; | |
184 | u32 fhandler; | |
185 | } EvCB[32]; | |
186 | ||
187 | #define EvStUNUSED 0x0000 | |
188 | #define EvStWAIT 0x1000 | |
189 | #define EvStACTIVE 0x2000 | |
190 | #define EvStALREADY 0x4000 | |
191 | ||
192 | #define EvMdINTR 0x1000 | |
193 | #define EvMdNOINTR 0x2000 | |
194 | ||
195 | /* | |
196 | typedef struct { | |
197 | s32 next; | |
198 | s32 func1; | |
199 | s32 func2; | |
200 | s32 pad; | |
201 | } SysRPst; | |
202 | */ | |
203 | ||
204 | typedef struct { | |
205 | s32 status; | |
206 | s32 mode; | |
207 | u32 reg[32]; | |
208 | u32 func; | |
209 | } TCB; | |
210 | ||
211 | typedef struct { | |
212 | u32 _pc0; | |
213 | u32 gp0; | |
214 | u32 t_addr; | |
215 | u32 t_size; | |
216 | u32 d_addr; | |
217 | u32 d_size; | |
218 | u32 b_addr; | |
219 | u32 b_size; | |
220 | u32 S_addr; | |
221 | u32 s_size; | |
222 | u32 _sp, _fp, _gp, ret, base; | |
223 | } EXEC; | |
224 | ||
225 | struct DIRENTRY { | |
226 | char name[20]; | |
227 | s32 attr; | |
228 | s32 size; | |
229 | u32 next; | |
230 | s32 head; | |
231 | char system[4]; | |
232 | }; | |
233 | ||
234 | typedef struct { | |
235 | char name[32]; | |
236 | u32 mode; | |
237 | u32 offset; | |
238 | u32 size; | |
239 | u32 mcfile; | |
240 | } FileDesc; | |
241 | ||
242 | static u32 *jmp_int = NULL; | |
243 | static int *pad_buf = NULL; | |
244 | static char *pad_buf1 = NULL, *pad_buf2 = NULL; | |
245 | static int pad_buf1len, pad_buf2len; | |
246 | ||
247 | static u32 regs[35]; | |
248 | static EvCB *Event; | |
249 | static EvCB *HwEV; // 0xf0 | |
250 | static EvCB *EvEV; // 0xf1 | |
251 | static EvCB *RcEV; // 0xf2 | |
252 | static EvCB *UeEV; // 0xf3 | |
253 | static EvCB *SwEV; // 0xf4 | |
254 | static EvCB *ThEV; // 0xff | |
255 | static u32 *heap_addr = NULL; | |
256 | static u32 *heap_end = NULL; | |
257 | static u32 SysIntRP[8]; | |
258 | static int CardState = -1; | |
259 | static TCB Thread[8]; | |
260 | static int CurThread = 0; | |
261 | static FileDesc FDesc[32]; | |
e9fda093 | 262 | static u32 card_active_chan; |
ef79bbde P |
263 | |
264 | boolean hleSoftCall = FALSE; | |
265 | ||
266 | static inline void softCall(u32 pc) { | |
267 | pc0 = pc; | |
268 | ra = 0x80001000; | |
269 | ||
270 | hleSoftCall = TRUE; | |
271 | ||
272 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); | |
273 | ||
274 | hleSoftCall = FALSE; | |
275 | } | |
276 | ||
277 | static inline void softCall2(u32 pc) { | |
278 | u32 sra = ra; | |
279 | pc0 = pc; | |
280 | ra = 0x80001000; | |
281 | ||
282 | hleSoftCall = TRUE; | |
283 | ||
284 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); | |
285 | ra = sra; | |
286 | ||
287 | hleSoftCall = FALSE; | |
288 | } | |
289 | ||
290 | static inline void DeliverEvent(u32 ev, u32 spec) { | |
291 | if (Event[ev][spec].status != EvStACTIVE) return; | |
292 | ||
293 | // Event[ev][spec].status = EvStALREADY; | |
294 | if (Event[ev][spec].mode == EvMdINTR) { | |
295 | softCall2(Event[ev][spec].fhandler); | |
296 | } else Event[ev][spec].status = EvStALREADY; | |
297 | } | |
298 | ||
299 | static inline void SaveRegs() { | |
300 | memcpy(regs, psxRegs.GPR.r, 32*4); | |
301 | regs[32] = psxRegs.GPR.n.lo; | |
302 | regs[33] = psxRegs.GPR.n.hi; | |
303 | regs[34] = psxRegs.pc; | |
304 | } | |
305 | ||
306 | static inline void LoadRegs() { | |
307 | memcpy(psxRegs.GPR.r, regs, 32*4); | |
308 | psxRegs.GPR.n.lo = regs[32]; | |
309 | psxRegs.GPR.n.hi = regs[33]; | |
310 | } | |
311 | ||
312 | /* * | |
313 | // * | |
314 | // * | |
315 | // System calls A0 */ | |
316 | ||
317 | ||
318 | void psxBios_abs() { // 0x0e | |
319 | if ((s32)a0 < 0) v0 = -(s32)a0; | |
320 | else v0 = a0; | |
321 | pc0 = ra; | |
322 | } | |
323 | ||
324 | void psxBios_labs() { // 0x0f | |
325 | psxBios_abs(); | |
326 | } | |
327 | ||
328 | void psxBios_atoi() { // 0x10 | |
329 | s32 n = 0, f = 0; | |
330 | char *p = (char *)Ra0; | |
331 | ||
332 | for (;;p++) { | |
333 | switch (*p) { | |
334 | case ' ': case '\t': continue; | |
335 | case '-': f++; | |
336 | case '+': p++; | |
337 | } | |
338 | break; | |
339 | } | |
340 | ||
341 | while (*p >= '0' && *p <= '9') { | |
342 | n = n * 10 + *p++ - '0'; | |
343 | } | |
344 | ||
345 | v0 = (f ? -n : n); | |
346 | pc0 = ra; | |
347 | } | |
348 | ||
349 | void psxBios_atol() { // 0x11 | |
350 | psxBios_atoi(); | |
351 | } | |
352 | ||
353 | void psxBios_setjmp() { // 0x13 | |
354 | u32 *jmp_buf = (u32 *)Ra0; | |
355 | int i; | |
356 | ||
357 | #ifdef PSXBIOS_LOG | |
358 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]); | |
359 | #endif | |
360 | ||
361 | jmp_buf[0] = ra; | |
362 | jmp_buf[1] = sp; | |
363 | jmp_buf[2] = fp; | |
364 | for (i = 0; i < 8; i++) // s0-s7 | |
365 | jmp_buf[3 + i] = psxRegs.GPR.r[16 + i]; | |
366 | jmp_buf[11] = gp; | |
367 | ||
368 | v0 = 0; pc0 = ra; | |
369 | } | |
370 | ||
371 | void psxBios_longjmp() { // 0x14 | |
372 | u32 *jmp_buf = (u32 *)Ra0; | |
373 | int i; | |
374 | ||
375 | #ifdef PSXBIOS_LOG | |
376 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); | |
377 | #endif | |
378 | ||
379 | ra = jmp_buf[0]; /* ra */ | |
380 | sp = jmp_buf[1]; /* sp */ | |
381 | fp = jmp_buf[2]; /* fp */ | |
382 | for (i = 0; i < 8; i++) // s0-s7 | |
383 | psxRegs.GPR.r[16 + i] = jmp_buf[3 + i]; | |
384 | gp = jmp_buf[11]; /* gp */ | |
385 | ||
386 | v0 = a1; pc0 = ra; | |
387 | } | |
388 | ||
389 | void psxBios_strcat() { // 0x15 | |
390 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
391 | ||
392 | #ifdef PSXBIOS_LOG | |
393 | PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); | |
394 | #endif | |
395 | ||
396 | while (*p1++); | |
397 | --p1; | |
398 | while ((*p1++ = *p2++) != '\0'); | |
399 | ||
400 | v0 = a0; pc0 = ra; | |
401 | } | |
402 | ||
403 | void psxBios_strncat() { // 0x16 | |
404 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
405 | s32 n = a2; | |
406 | ||
407 | #ifdef PSXBIOS_LOG | |
408 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); | |
409 | #endif | |
410 | ||
411 | while (*p1++); | |
412 | --p1; | |
413 | while ((*p1++ = *p2++) != '\0') { | |
414 | if (--n < 0) { | |
415 | *--p1 = '\0'; | |
416 | break; | |
417 | } | |
418 | } | |
419 | ||
420 | v0 = a0; pc0 = ra; | |
421 | } | |
422 | ||
423 | void psxBios_strcmp() { // 0x17 | |
424 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
425 | ||
426 | #ifdef PSXBIOS_LOG | |
427 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); | |
428 | #endif | |
429 | ||
430 | while (*p1 == *p2++) { | |
431 | if (*p1++ == '\0') { | |
432 | v0 = 0; | |
433 | pc0 = ra; | |
434 | return; | |
435 | } | |
436 | } | |
437 | ||
438 | v0 = (*p1 - *--p2); | |
439 | pc0 = ra; | |
440 | } | |
441 | ||
442 | void psxBios_strncmp() { // 0x18 | |
443 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
444 | s32 n = a2; | |
445 | ||
446 | #ifdef PSXBIOS_LOG | |
447 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); | |
448 | #endif | |
449 | ||
450 | while (--n >= 0 && *p1 == *p2++) { | |
451 | if (*p1++ == '\0') { | |
452 | v0 = 0; | |
453 | pc0 = ra; | |
454 | return; | |
455 | } | |
456 | } | |
457 | ||
458 | v0 = (n < 0 ? 0 : *p1 - *--p2); | |
459 | pc0 = ra; | |
460 | } | |
461 | ||
462 | void psxBios_strcpy() { // 0x19 | |
463 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
464 | while ((*p1++ = *p2++) != '\0'); | |
465 | ||
466 | v0 = a0; pc0 = ra; | |
467 | } | |
468 | ||
469 | void psxBios_strncpy() { // 0x1a | |
470 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
471 | s32 n = a2, i; | |
472 | ||
473 | for (i = 0; i < n; i++) { | |
474 | if ((*p1++ = *p2++) == '\0') { | |
475 | while (++i < n) { | |
476 | *p1++ = '\0'; | |
477 | } | |
478 | v0 = a0; pc0 = ra; | |
479 | return; | |
480 | } | |
481 | } | |
482 | ||
483 | v0 = a0; pc0 = ra; | |
484 | } | |
485 | ||
486 | void psxBios_strlen() { // 0x1b | |
487 | char *p = (char *)Ra0; | |
488 | v0 = 0; | |
489 | while (*p++) v0++; | |
490 | pc0 = ra; | |
491 | } | |
492 | ||
493 | void psxBios_index() { // 0x1c | |
494 | char *p = (char *)Ra0; | |
495 | ||
496 | do { | |
497 | if (*p == a1) { | |
498 | v0 = a0 + (p - (char *)Ra0); | |
499 | pc0 = ra; | |
500 | return; | |
501 | } | |
502 | } while (*p++ != '\0'); | |
503 | ||
504 | v0 = 0; pc0 = ra; | |
505 | } | |
506 | ||
507 | void psxBios_rindex() { // 0x1d | |
508 | char *p = (char *)Ra0; | |
509 | ||
510 | v0 = 0; | |
511 | ||
512 | do { | |
513 | if (*p == a1) | |
514 | v0 = a0 + (p - (char *)Ra0); | |
515 | } while (*p++ != '\0'); | |
516 | ||
517 | pc0 = ra; | |
518 | } | |
519 | ||
520 | void psxBios_strchr() { // 0x1e | |
521 | psxBios_index(); | |
522 | } | |
523 | ||
524 | void psxBios_strrchr() { // 0x1f | |
525 | psxBios_rindex(); | |
526 | } | |
527 | ||
528 | void psxBios_strpbrk() { // 0x20 | |
529 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; | |
530 | ||
531 | while ((c = *p1++) != '\0') { | |
532 | for (scanp = p2; (sc = *scanp++) != '\0';) { | |
533 | if (sc == c) { | |
534 | v0 = a0 + (p1 - 1 - (char *)Ra0); | |
535 | pc0 = ra; | |
536 | return; | |
537 | } | |
538 | } | |
539 | } | |
540 | ||
541 | // BUG: return a0 instead of NULL if not found | |
542 | v0 = a0; pc0 = ra; | |
543 | } | |
544 | ||
545 | void psxBios_strspn() { // 0x21 | |
546 | char *p1, *p2; | |
547 | ||
548 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
549 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
550 | if (*p2 == '\0') break; | |
551 | } | |
552 | ||
553 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
554 | } | |
555 | ||
556 | void psxBios_strcspn() { // 0x22 | |
557 | char *p1, *p2; | |
558 | ||
559 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { | |
560 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); | |
561 | if (*p2 != '\0') break; | |
562 | } | |
563 | ||
564 | v0 = p1 - (char *)Ra0; pc0 = ra; | |
565 | } | |
566 | ||
567 | void psxBios_strtok() { // 0x23 | |
568 | char *pcA0 = (char *)Ra0; | |
569 | char *pcRet = strtok(pcA0, (char *)Ra1); | |
570 | if (pcRet) | |
571 | v0 = a0 + pcRet - pcA0; | |
572 | else | |
573 | v0 = 0; | |
574 | pc0 = ra; | |
575 | } | |
576 | ||
577 | void psxBios_strstr() { // 0x24 | |
578 | char *p = (char *)Ra0, *p1, *p2; | |
579 | ||
580 | while (*p != '\0') { | |
581 | p1 = p; | |
582 | p2 = (char *)Ra1; | |
583 | ||
584 | while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { | |
585 | p1++; p2++; | |
586 | } | |
587 | ||
588 | if (*p2 == '\0') { | |
589 | v0 = a0 + (p - (char *)Ra0); | |
590 | pc0 = ra; | |
591 | return; | |
592 | } | |
593 | ||
594 | p++; | |
595 | } | |
596 | ||
597 | v0 = 0; pc0 = ra; | |
598 | } | |
599 | ||
600 | void psxBios_toupper() { // 0x25 | |
601 | v0 = (s8)(a0 & 0xff); | |
602 | if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; | |
603 | pc0 = ra; | |
604 | } | |
605 | ||
606 | void psxBios_tolower() { // 0x26 | |
607 | v0 = (s8)(a0 & 0xff); | |
608 | if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; | |
609 | pc0 = ra; | |
610 | } | |
611 | ||
612 | void psxBios_bcopy() { // 0x27 | |
613 | char *p1 = (char *)Ra1, *p2 = (char *)Ra0; | |
614 | while (a2-- > 0) *p1++ = *p2++; | |
615 | ||
616 | pc0 = ra; | |
617 | } | |
618 | ||
619 | void psxBios_bzero() { // 0x28 | |
620 | char *p = (char *)Ra0; | |
621 | while (a1-- > 0) *p++ = '\0'; | |
622 | ||
623 | pc0 = ra; | |
624 | } | |
625 | ||
626 | void psxBios_bcmp() { // 0x29 | |
627 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
628 | ||
629 | if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } | |
630 | ||
631 | while (a2-- > 0) { | |
632 | if (*p1++ != *p2++) { | |
633 | v0 = *p1 - *p2; // BUG: compare the NEXT byte | |
634 | pc0 = ra; | |
635 | return; | |
636 | } | |
637 | } | |
638 | ||
639 | v0 = 0; pc0 = ra; | |
640 | } | |
641 | ||
642 | void psxBios_memcpy() { // 0x2a | |
643 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
644 | while (a2-- > 0) *p1++ = *p2++; | |
645 | ||
646 | v0 = a0; pc0 = ra; | |
647 | } | |
648 | ||
649 | void psxBios_memset() { // 0x2b | |
650 | char *p = (char *)Ra0; | |
651 | while (a2-- > 0) *p++ = (char)a1; | |
652 | ||
653 | v0 = a0; pc0 = ra; | |
654 | } | |
655 | ||
656 | void psxBios_memmove() { // 0x2c | |
657 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; | |
658 | ||
659 | if (p2 <= p1 && p2 + a2 > p1) { | |
660 | a2++; // BUG: copy one more byte here | |
661 | p1 += a2; | |
662 | p2 += a2; | |
663 | while (a2-- > 0) *--p1 = *--p2; | |
664 | } else { | |
665 | while (a2-- > 0) *p1++ = *p2++; | |
666 | } | |
667 | ||
668 | v0 = a0; pc0 = ra; | |
669 | } | |
670 | ||
671 | void psxBios_memcmp() { // 0x2d | |
672 | psxBios_bcmp(); | |
673 | } | |
674 | ||
675 | void psxBios_memchr() { // 0x2e | |
676 | char *p = (char *)Ra0; | |
677 | ||
678 | while (a2-- > 0) { | |
679 | if (*p++ != (s8)a1) continue; | |
680 | v0 = a0 + (p - (char *)Ra0 - 1); | |
681 | pc0 = ra; | |
682 | return; | |
683 | } | |
684 | ||
685 | v0 = 0; pc0 = ra; | |
686 | } | |
687 | ||
688 | void psxBios_rand() { // 0x2f | |
689 | u32 s = psxMu32(0x9010) * 1103515245 + 12345; | |
690 | v0 = (s >> 16) & 0x7fff; | |
691 | psxMu32ref(0x9010) = SWAPu32(s); | |
692 | pc0 = ra; | |
693 | } | |
694 | ||
695 | void psxBios_srand() { // 0x30 | |
696 | psxMu32ref(0x9010) = SWAPu32(a0); | |
697 | pc0 = ra; | |
698 | } | |
699 | ||
700 | static u32 qscmpfunc, qswidth; | |
701 | ||
702 | static inline int qscmp(char *a, char *b) { | |
703 | u32 sa0 = a0; | |
704 | ||
705 | a0 = sa0 + (a - (char *)PSXM(sa0)); | |
706 | a1 = sa0 + (b - (char *)PSXM(sa0)); | |
707 | ||
708 | softCall2(qscmpfunc); | |
709 | ||
710 | a0 = sa0; | |
711 | return (s32)v0; | |
712 | } | |
713 | ||
714 | static inline void qexchange(char *i, char *j) { | |
715 | char t; | |
716 | int n = qswidth; | |
717 | ||
718 | do { | |
719 | t = *i; | |
720 | *i++ = *j; | |
721 | *j++ = t; | |
722 | } while (--n); | |
723 | } | |
724 | ||
725 | static inline void q3exchange(char *i, char *j, char *k) { | |
726 | char t; | |
727 | int n = qswidth; | |
728 | ||
729 | do { | |
730 | t = *i; | |
731 | *i++ = *k; | |
732 | *k++ = *j; | |
733 | *j++ = t; | |
734 | } while (--n); | |
735 | } | |
736 | ||
737 | static void qsort_main(char *a, char *l) { | |
738 | char *i, *j, *lp, *hp; | |
739 | int c; | |
740 | unsigned int n; | |
741 | ||
742 | start: | |
743 | if ((n = l - a) <= qswidth) | |
744 | return; | |
745 | n = qswidth * (n / (2 * qswidth)); | |
746 | hp = lp = a + n; | |
747 | i = a; | |
748 | j = l - qswidth; | |
749 | while (TRUE) { | |
750 | if (i < lp) { | |
751 | if ((c = qscmp(i, lp)) == 0) { | |
752 | qexchange(i, lp -= qswidth); | |
753 | continue; | |
754 | } | |
755 | if (c < 0) { | |
756 | i += qswidth; | |
757 | continue; | |
758 | } | |
759 | } | |
760 | ||
761 | loop: | |
762 | if (j > hp) { | |
763 | if ((c = qscmp(hp, j)) == 0) { | |
764 | qexchange(hp += qswidth, j); | |
765 | goto loop; | |
766 | } | |
767 | if (c > 0) { | |
768 | if (i == lp) { | |
769 | q3exchange(i, hp += qswidth, j); | |
770 | i = lp += qswidth; | |
771 | goto loop; | |
772 | } | |
773 | qexchange(i, j); | |
774 | j -= qswidth; | |
775 | i += qswidth; | |
776 | continue; | |
777 | } | |
778 | j -= qswidth; | |
779 | goto loop; | |
780 | } | |
781 | ||
782 | if (i == lp) { | |
783 | if (lp - a >= l - hp) { | |
784 | qsort_main(hp + qswidth, l); | |
785 | l = lp; | |
786 | } else { | |
787 | qsort_main(a, lp); | |
788 | a = hp + qswidth; | |
789 | } | |
790 | goto start; | |
791 | } | |
792 | ||
793 | q3exchange(j, lp -= qswidth, i); | |
794 | j = hp -= qswidth; | |
795 | } | |
796 | } | |
797 | ||
798 | void psxBios_qsort() { // 0x31 | |
799 | qswidth = a2; | |
800 | qscmpfunc = a3; | |
801 | qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); | |
802 | ||
803 | pc0 = ra; | |
804 | } | |
805 | ||
806 | void psxBios_malloc() { // 0x33 | |
807 | unsigned int *chunk, *newchunk; | |
808 | unsigned int dsize, csize, cstat; | |
809 | int colflag; | |
810 | #ifdef PSXBIOS_LOG | |
811 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); | |
812 | #endif | |
813 | ||
814 | // scan through heap and combine free chunks of space | |
815 | chunk = heap_addr; | |
816 | colflag = 0; | |
817 | while(chunk < heap_end) { | |
818 | // get size and status of actual chunk | |
819 | csize = ((u32)*chunk) & 0xfffffffc; | |
820 | cstat = ((u32)*chunk) & 1; | |
821 | ||
822 | // it's a free chunk | |
823 | if(cstat == 1) { | |
824 | if(colflag == 0) { | |
825 | newchunk = chunk; | |
826 | dsize = csize; | |
827 | colflag = 1; // let's begin a new collection of free memory | |
828 | } | |
829 | else dsize += (csize+4); // add the new size including header | |
830 | } | |
831 | // not a free chunk: did we start a collection ? | |
832 | else { | |
833 | if(colflag == 1) { // collection is over | |
834 | colflag = 0; | |
835 | *newchunk = SWAP32(dsize | 1); | |
836 | } | |
837 | } | |
838 | ||
839 | // next chunk | |
840 | chunk = (u32*)((uptr)chunk + csize + 4); | |
841 | } | |
842 | // if neccessary free memory on end of heap | |
843 | if (colflag == 1) | |
844 | *newchunk = SWAP32(dsize | 1); | |
845 | ||
846 | chunk = heap_addr; | |
847 | csize = ((u32)*chunk) & 0xfffffffc; | |
848 | cstat = ((u32)*chunk) & 1; | |
849 | dsize = (a0 + 3) & 0xfffffffc; | |
850 | ||
851 | // exit on uninitialized heap | |
852 | if (chunk == NULL) { | |
853 | SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); | |
854 | v0 = 0; | |
855 | pc0 = ra; | |
856 | return; | |
857 | } | |
858 | ||
859 | // search an unused chunk that is big enough until the end of the heap | |
860 | while ((dsize > csize || cstat == 0) && chunk < heap_end ) { | |
861 | chunk = (u32*)((uptr)chunk + csize + 4); | |
862 | csize = ((u32)*chunk) & 0xfffffffc; | |
863 | cstat = ((u32)*chunk) & 1; | |
864 | } | |
865 | ||
866 | // catch out of memory | |
867 | if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; } | |
868 | ||
869 | // allocate memory | |
870 | if(dsize == csize) { | |
871 | // chunk has same size | |
872 | *chunk &= 0xfffffffc; | |
873 | } | |
874 | else { | |
875 | // split free chunk | |
876 | *chunk = SWAP32(dsize); | |
877 | newchunk = (u32*)((uptr)chunk + dsize + 4); | |
878 | *newchunk = SWAP32((csize - dsize - 4) & 0xfffffffc | 1); | |
879 | } | |
880 | ||
881 | // return pointer to allocated memory | |
882 | v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4; | |
883 | v0|= 0x80000000; | |
884 | SysPrintf ("malloc %x,%x\n", v0, a0); | |
885 | pc0 = ra; | |
886 | } | |
887 | ||
888 | void psxBios_free() { // 0x34 | |
889 | ||
890 | #ifdef PSXBIOS_LOG | |
891 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); | |
892 | #endif | |
893 | ||
894 | SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); | |
895 | ||
896 | *(u32*)(Ra0-4) |= 1; // set chunk to free | |
897 | pc0 = ra; | |
898 | } | |
899 | ||
900 | void psxBios_calloc() { // 0x37 | |
901 | #ifdef PSXBIOS_LOG | |
902 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); | |
903 | #endif | |
904 | ||
905 | a0 = a0 * a1; | |
906 | psxBios_malloc(); | |
907 | memset(Rv0, 0, a0); | |
908 | } | |
909 | ||
910 | void psxBios_realloc() { // 0x38 | |
911 | u32 block = a0; | |
912 | u32 size = a1; | |
913 | #ifdef PSXBIOS_LOG | |
914 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); | |
915 | #endif | |
916 | ||
917 | a0 = block; | |
918 | psxBios_free(); | |
919 | a0 = size; | |
920 | psxBios_malloc(); | |
921 | } | |
922 | ||
923 | ||
924 | /* InitHeap(void *block , int n) */ | |
925 | void psxBios_InitHeap() { // 0x39 | |
926 | unsigned int size; | |
927 | ||
928 | #ifdef PSXBIOS_LOG | |
929 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); | |
930 | #endif | |
931 | ||
932 | if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); | |
933 | else size = a1; | |
934 | ||
935 | size &= 0xfffffffc; | |
936 | ||
937 | heap_addr = (u32 *)Ra0; | |
938 | heap_end = (u32 *)((u8 *)heap_addr + size); | |
939 | *heap_addr = SWAP32(size | 1); | |
940 | ||
941 | SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (uptr)heap_addr-(uptr)psxM, size); | |
942 | ||
943 | pc0 = ra; | |
944 | } | |
945 | ||
946 | void psxBios_getchar() { //0x3b | |
947 | v0 = getchar(); pc0 = ra; | |
948 | } | |
949 | ||
950 | void psxBios_printf() { // 0x3f | |
951 | char tmp[1024]; | |
952 | char tmp2[1024]; | |
953 | u32 save[4]; | |
954 | char *ptmp = tmp; | |
955 | int n=1, i=0, j; | |
956 | ||
957 | memcpy(save, (char*)PSXM(sp), 4 * 4); | |
958 | psxMu32ref(sp) = SWAP32((u32)a0); | |
959 | psxMu32ref(sp + 4) = SWAP32((u32)a1); | |
960 | psxMu32ref(sp + 8) = SWAP32((u32)a2); | |
961 | psxMu32ref(sp + 12) = SWAP32((u32)a3); | |
962 | ||
963 | while (Ra0[i]) { | |
964 | switch (Ra0[i]) { | |
965 | case '%': | |
966 | j = 0; | |
967 | tmp2[j++] = '%'; | |
968 | _start: | |
969 | switch (Ra0[++i]) { | |
970 | case '.': | |
971 | case 'l': | |
972 | tmp2[j++] = Ra0[i]; goto _start; | |
973 | default: | |
974 | if (Ra0[i] >= '0' && Ra0[i] <= '9') { | |
975 | tmp2[j++] = Ra0[i]; | |
976 | goto _start; | |
977 | } | |
978 | break; | |
979 | } | |
980 | tmp2[j++] = Ra0[i]; | |
981 | tmp2[j] = 0; | |
982 | ||
983 | switch (Ra0[i]) { | |
984 | case 'f': case 'F': | |
985 | ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; | |
986 | case 'a': case 'A': | |
987 | case 'e': case 'E': | |
988 | case 'g': case 'G': | |
989 | ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; | |
990 | case 'p': | |
991 | case 'i': | |
992 | case 'd': case 'D': | |
993 | case 'o': case 'O': | |
994 | case 'x': case 'X': | |
995 | ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; | |
996 | case 'c': | |
997 | ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; | |
998 | case 's': | |
999 | ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; | |
1000 | case '%': | |
1001 | *ptmp++ = Ra0[i]; break; | |
1002 | } | |
1003 | i++; | |
1004 | break; | |
1005 | default: | |
1006 | *ptmp++ = Ra0[i++]; | |
1007 | } | |
1008 | } | |
1009 | *ptmp = 0; | |
1010 | ||
1011 | memcpy((char*)PSXM(sp), save, 4 * 4); | |
1012 | ||
1013 | SysPrintf(tmp); | |
1014 | ||
1015 | pc0 = ra; | |
1016 | } | |
1017 | ||
1018 | /* | |
1019 | * long Load(char *name, struct EXEC *header); | |
1020 | */ | |
1021 | ||
1022 | void psxBios_Load() { // 0x42 | |
1023 | EXE_HEADER eheader; | |
1024 | ||
1025 | #ifdef PSXBIOS_LOG | |
1026 | PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1); | |
1027 | #endif | |
1028 | ||
1029 | if (LoadCdromFile(Ra0, &eheader) == 0) { | |
1030 | memcpy(Ra1, ((char*)&eheader)+16, sizeof(EXEC)); | |
1031 | v0 = 1; | |
1032 | } else v0 = 0; | |
1033 | ||
1034 | pc0 = ra; | |
1035 | } | |
1036 | ||
1037 | /* | |
1038 | * int Exec(struct EXEC *header , int argc , char **argv); | |
1039 | */ | |
1040 | ||
1041 | void psxBios_Exec() { // 43 | |
1042 | EXEC *header = (EXEC*)Ra0; | |
1043 | u32 tmp; | |
1044 | ||
1045 | #ifdef PSXBIOS_LOG | |
1046 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); | |
1047 | #endif | |
1048 | ||
1049 | header->_sp = sp; | |
1050 | header->_fp = fp; | |
1051 | header->_sp = sp; | |
1052 | header->_gp = gp; | |
1053 | header->ret = ra; | |
1054 | header->base = s0; | |
1055 | ||
1056 | if (header->S_addr != 0) { | |
1057 | tmp = header->S_addr + header->s_size; | |
1058 | sp = tmp; | |
1059 | fp = sp; | |
1060 | } | |
1061 | ||
1062 | gp = header->gp0; | |
1063 | ||
1064 | s0 = a0; | |
1065 | ||
1066 | a0 = a1; | |
1067 | a1 = a2; | |
1068 | ||
1069 | ra = 0x8000; | |
1070 | pc0 = header->_pc0; | |
1071 | } | |
1072 | ||
1073 | void psxBios_FlushCache() { // 44 | |
1074 | #ifdef PSXBIOS_LOG | |
1075 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); | |
1076 | #endif | |
1077 | ||
1078 | pc0 = ra; | |
1079 | } | |
1080 | ||
1081 | void psxBios_GPU_dw() { // 0x46 | |
1082 | int size; | |
1083 | s32 *ptr; | |
1084 | ||
1085 | #ifdef PSXBIOS_LOG | |
1086 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); | |
1087 | #endif | |
1088 | ||
1089 | GPU_writeData(0xa0000000); | |
1090 | GPU_writeData((a1<<16)|(a0&0xffff)); | |
1091 | GPU_writeData((a3<<16)|(a2&0xffff)); | |
1092 | size = (a2*a3+1)/2; | |
1093 | ptr = (s32*)PSXM(Rsp[4]); //that is correct? | |
1094 | do { | |
1095 | GPU_writeData(SWAP32(*ptr)); | |
1096 | ptr++; | |
1097 | } while(--size); | |
1098 | ||
1099 | pc0 = ra; | |
1100 | } | |
1101 | ||
1102 | void psxBios_mem2vram() { // 0x47 | |
1103 | int size; | |
1104 | ||
1105 | GPU_writeData(0xa0000000); | |
1106 | GPU_writeData((a1<<16)|(a0&0xffff)); | |
1107 | GPU_writeData((a3<<16)|(a2&0xffff)); | |
1108 | size = (a2*a3+1)/2; | |
1109 | GPU_writeStatus(0x04000002); | |
1110 | psxHwWrite32(0x1f8010f4,0); | |
1111 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1112 | psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... | |
1113 | psxHwWrite32(0x1f8010a4,((size/16)<<16)|16); | |
1114 | psxHwWrite32(0x1f8010a8,0x01000201); | |
1115 | ||
1116 | pc0 = ra; | |
1117 | } | |
1118 | ||
1119 | void psxBios_SendGPU() { // 0x48 | |
1120 | GPU_writeStatus(a0); | |
1121 | pc0 = ra; | |
1122 | } | |
1123 | ||
1124 | void psxBios_GPU_cw() { // 0x49 | |
1125 | GPU_writeData(a0); | |
1126 | pc0 = ra; | |
1127 | } | |
1128 | ||
1129 | void psxBios_GPU_cwb() { // 0x4a | |
1130 | s32 *ptr = (s32*)Ra0; | |
1131 | int size = a1; | |
1132 | while(size--) { | |
1133 | GPU_writeData(SWAP32(*ptr)); | |
1134 | ptr++; | |
1135 | } | |
1136 | ||
1137 | pc0 = ra; | |
1138 | } | |
1139 | ||
1140 | void psxBios_GPU_SendPackets() { //4b: | |
1141 | GPU_writeStatus(0x04000002); | |
1142 | psxHwWrite32(0x1f8010f4,0); | |
1143 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); | |
1144 | psxHwWrite32(0x1f8010a0,a0); | |
1145 | psxHwWrite32(0x1f8010a4,0); | |
1146 | psxHwWrite32(0x1f8010a8,0x010000401); | |
1147 | pc0 = ra; | |
1148 | } | |
1149 | ||
1150 | void psxBios_sys_a0_4c() { // 0x4c GPU relate | |
1151 | psxHwWrite32(0x1f8010a8,0x00000401); | |
1152 | GPU_writeData(0x0400000); | |
1153 | GPU_writeData(0x0200000); | |
1154 | GPU_writeData(0x0100000); | |
1155 | ||
1156 | pc0 = ra; | |
1157 | } | |
1158 | ||
1159 | void psxBios_GPU_GetGPUStatus() { // 0x4d | |
1160 | v0 = GPU_readStatus(); | |
1161 | pc0 = ra; | |
1162 | } | |
1163 | ||
1164 | #undef s_addr | |
1165 | ||
1166 | void psxBios_LoadExec() { // 51 | |
1167 | EXEC *header = (EXEC*)PSXM(0xf000); | |
1168 | u32 s_addr, s_size; | |
1169 | ||
1170 | #ifdef PSXBIOS_LOG | |
1171 | PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); | |
1172 | #endif | |
1173 | s_addr = a1; s_size = a2; | |
1174 | ||
1175 | a1 = 0xf000; | |
1176 | psxBios_Load(); | |
1177 | ||
1178 | header->S_addr = s_addr; | |
1179 | header->s_size = s_size; | |
1180 | ||
1181 | a0 = 0xf000; a1 = 0; a2 = 0; | |
1182 | psxBios_Exec(); | |
1183 | } | |
1184 | ||
1185 | void psxBios__bu_init() { // 70 | |
1186 | #ifdef PSXBIOS_LOG | |
1187 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); | |
1188 | #endif | |
1189 | ||
1190 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1191 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1192 | ||
1193 | pc0 = ra; | |
1194 | } | |
1195 | ||
1196 | void psxBios__96_init() { // 71 | |
1197 | #ifdef PSXBIOS_LOG | |
1198 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); | |
1199 | #endif | |
1200 | ||
1201 | pc0 = ra; | |
1202 | } | |
1203 | ||
1204 | void psxBios__96_remove() { // 72 | |
1205 | #ifdef PSXBIOS_LOG | |
1206 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); | |
1207 | #endif | |
1208 | ||
1209 | pc0 = ra; | |
1210 | } | |
1211 | ||
1212 | void psxBios_SetMem() { // 9f | |
1213 | u32 new = psxHu32(0x1060); | |
1214 | ||
1215 | #ifdef PSXBIOS_LOG | |
1216 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); | |
1217 | #endif | |
1218 | ||
1219 | switch(a0) { | |
1220 | case 2: | |
1221 | psxHu32ref(0x1060) = SWAP32(new); | |
1222 | psxMu32ref(0x060) = a0; | |
1223 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1224 | break; | |
1225 | ||
1226 | case 8: | |
1227 | psxHu32ref(0x1060) = SWAP32(new | 0x300); | |
1228 | psxMu32ref(0x060) = a0; | |
1229 | SysPrintf("Change effective memory : %d MBytes\n",a0); | |
1230 | ||
1231 | default: | |
1232 | SysPrintf("Effective memory must be 2/8 MBytes\n"); | |
1233 | break; | |
1234 | } | |
1235 | ||
1236 | pc0 = ra; | |
1237 | } | |
1238 | ||
1239 | void psxBios__card_info() { // ab | |
1240 | #ifdef PSXBIOS_LOG | |
1241 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); | |
1242 | #endif | |
1243 | ||
e9fda093 | 1244 | card_active_chan = a0; |
1245 | ||
ef79bbde P |
1246 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1247 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1248 | ||
1249 | v0 = 1; pc0 = ra; | |
1250 | } | |
1251 | ||
1252 | void psxBios__card_load() { // ac | |
1253 | #ifdef PSXBIOS_LOG | |
1254 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); | |
1255 | #endif | |
1256 | ||
e9fda093 | 1257 | card_active_chan = a0; |
1258 | ||
ef79bbde P |
1259 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
1260 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1261 | ||
1262 | v0 = 1; pc0 = ra; | |
1263 | } | |
1264 | ||
1265 | /* System calls B0 */ | |
1266 | ||
1267 | void psxBios_SetRCnt() { // 02 | |
1268 | #ifdef PSXBIOS_LOG | |
1269 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); | |
1270 | #endif | |
1271 | ||
1272 | a0&= 0x3; | |
1273 | if (a0 != 3) { | |
1274 | u32 mode=0; | |
1275 | ||
1276 | psxRcntWtarget(a0, a1); | |
1277 | if (a2&0x1000) mode|= 0x050; // Interrupt Mode | |
1278 | if (a2&0x0100) mode|= 0x008; // Count to 0xffff | |
1279 | if (a2&0x0010) mode|= 0x001; // Timer stop mode | |
1280 | if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode | |
1281 | else { if (a2&0x0001) mode|= 0x100; } // System Clock mode | |
1282 | ||
1283 | psxRcntWmode(a0, mode); | |
1284 | } | |
1285 | pc0 = ra; | |
1286 | } | |
1287 | ||
1288 | void psxBios_GetRCnt() { // 03 | |
1289 | #ifdef PSXBIOS_LOG | |
1290 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); | |
1291 | #endif | |
1292 | ||
1293 | a0&= 0x3; | |
1294 | if (a0 != 3) v0 = psxRcntRcount(a0); | |
1295 | else v0 = 0; | |
1296 | pc0 = ra; | |
1297 | } | |
1298 | ||
1299 | void psxBios_StartRCnt() { // 04 | |
1300 | #ifdef PSXBIOS_LOG | |
1301 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); | |
1302 | #endif | |
1303 | ||
1304 | a0&= 0x3; | |
1305 | if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); | |
1306 | else psxHu32ref(0x1074)|= SWAPu32(0x1); | |
1307 | v0 = 1; pc0 = ra; | |
1308 | } | |
1309 | ||
1310 | void psxBios_StopRCnt() { // 05 | |
1311 | #ifdef PSXBIOS_LOG | |
1312 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); | |
1313 | #endif | |
1314 | ||
1315 | a0&= 0x3; | |
1316 | if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); | |
1317 | else psxHu32ref(0x1074)&= SWAPu32(~0x1); | |
1318 | pc0 = ra; | |
1319 | } | |
1320 | ||
1321 | void psxBios_ResetRCnt() { // 06 | |
1322 | #ifdef PSXBIOS_LOG | |
1323 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); | |
1324 | #endif | |
1325 | ||
1326 | a0&= 0x3; | |
1327 | if (a0 != 3) { | |
1328 | psxRcntWmode(a0, 0); | |
1329 | psxRcntWtarget(a0, 0); | |
1330 | psxRcntWcount(a0, 0); | |
1331 | } | |
1332 | pc0 = ra; | |
1333 | } | |
1334 | ||
1335 | ||
1336 | /* gets ev for use with Event */ | |
1337 | #define GetEv() \ | |
1338 | ev = (a0 >> 24) & 0xf; \ | |
1339 | if (ev == 0xf) ev = 0x5; \ | |
1340 | ev*= 32; \ | |
1341 | ev+= a0&0x1f; | |
1342 | ||
1343 | /* gets spec for use with Event */ | |
1344 | #define GetSpec() \ | |
1345 | spec = 0; \ | |
1346 | switch (a1) { \ | |
1347 | case 0x0301: spec = 16; break; \ | |
1348 | case 0x0302: spec = 17; break; \ | |
1349 | default: \ | |
1350 | for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ | |
1351 | break; \ | |
1352 | } | |
1353 | ||
1354 | void psxBios_DeliverEvent() { // 07 | |
1355 | int ev, spec; | |
1356 | int i; | |
1357 | ||
1358 | GetEv(); | |
1359 | GetSpec(); | |
1360 | ||
1361 | #ifdef PSXBIOS_LOG | |
1362 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); | |
1363 | #endif | |
1364 | ||
1365 | DeliverEvent(ev, spec); | |
1366 | ||
1367 | pc0 = ra; | |
1368 | } | |
1369 | ||
1370 | void psxBios_OpenEvent() { // 08 | |
1371 | int ev, spec; | |
1372 | int i; | |
1373 | ||
1374 | GetEv(); | |
1375 | GetSpec(); | |
1376 | ||
1377 | #ifdef PSXBIOS_LOG | |
1378 | PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); | |
1379 | #endif | |
1380 | ||
1381 | Event[ev][spec].status = EvStWAIT; | |
1382 | Event[ev][spec].mode = a2; | |
1383 | Event[ev][spec].fhandler = a3; | |
1384 | ||
1385 | v0 = ev | (spec << 8); | |
1386 | pc0 = ra; | |
1387 | } | |
1388 | ||
1389 | void psxBios_CloseEvent() { // 09 | |
1390 | int ev, spec; | |
1391 | ||
1392 | ev = a0 & 0xff; | |
1393 | spec = (a0 >> 8) & 0xff; | |
1394 | ||
1395 | #ifdef PSXBIOS_LOG | |
1396 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); | |
1397 | #endif | |
1398 | ||
1399 | Event[ev][spec].status = EvStUNUSED; | |
1400 | ||
1401 | v0 = 1; pc0 = ra; | |
1402 | } | |
1403 | ||
1404 | void psxBios_WaitEvent() { // 0a | |
1405 | int ev, spec; | |
1406 | ||
1407 | ev = a0 & 0xff; | |
1408 | spec = (a0 >> 8) & 0xff; | |
1409 | ||
1410 | #ifdef PSXBIOS_LOG | |
1411 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); | |
1412 | #endif | |
1413 | ||
1414 | Event[ev][spec].status = EvStACTIVE; | |
1415 | ||
1416 | v0 = 1; pc0 = ra; | |
1417 | } | |
1418 | ||
1419 | void psxBios_TestEvent() { // 0b | |
1420 | int ev, spec; | |
1421 | ||
1422 | ev = a0 & 0xff; | |
1423 | spec = (a0 >> 8) & 0xff; | |
1424 | ||
1425 | if (Event[ev][spec].status == EvStALREADY) { | |
1426 | Event[ev][spec].status = EvStACTIVE; v0 = 1; | |
1427 | } else v0 = 0; | |
1428 | ||
1429 | #ifdef PSXBIOS_LOG | |
1430 | PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); | |
1431 | #endif | |
1432 | ||
1433 | pc0 = ra; | |
1434 | } | |
1435 | ||
1436 | void psxBios_EnableEvent() { // 0c | |
1437 | int ev, spec; | |
1438 | ||
1439 | ev = a0 & 0xff; | |
1440 | spec = (a0 >> 8) & 0xff; | |
1441 | ||
1442 | #ifdef PSXBIOS_LOG | |
1443 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); | |
1444 | #endif | |
1445 | ||
1446 | Event[ev][spec].status = EvStACTIVE; | |
1447 | ||
1448 | v0 = 1; pc0 = ra; | |
1449 | } | |
1450 | ||
1451 | void psxBios_DisableEvent() { // 0d | |
1452 | int ev, spec; | |
1453 | ||
1454 | ev = a0 & 0xff; | |
1455 | spec = (a0 >> 8) & 0xff; | |
1456 | ||
1457 | #ifdef PSXBIOS_LOG | |
1458 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); | |
1459 | #endif | |
1460 | ||
1461 | Event[ev][spec].status = EvStWAIT; | |
1462 | ||
1463 | v0 = 1; pc0 = ra; | |
1464 | } | |
1465 | ||
1466 | /* | |
1467 | * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); | |
1468 | */ | |
1469 | ||
1470 | void psxBios_OpenTh() { // 0e | |
1471 | int th; | |
1472 | ||
1473 | for (th=1; th<8; th++) | |
1474 | if (Thread[th].status == 0) break; | |
1475 | ||
1476 | #ifdef PSXBIOS_LOG | |
1477 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); | |
1478 | #endif | |
1479 | ||
1480 | Thread[th].status = 1; | |
1481 | Thread[th].func = a0; | |
1482 | Thread[th].reg[29] = a1; | |
1483 | Thread[th].reg[28] = a2; | |
1484 | ||
1485 | v0 = th; pc0 = ra; | |
1486 | } | |
1487 | ||
1488 | /* | |
1489 | * int CloseTh(long thread); | |
1490 | */ | |
1491 | ||
1492 | void psxBios_CloseTh() { // 0f | |
1493 | int th = a0 & 0xff; | |
1494 | ||
1495 | #ifdef PSXBIOS_LOG | |
1496 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); | |
1497 | #endif | |
1498 | ||
1499 | if (Thread[th].status == 0) { | |
1500 | v0 = 0; | |
1501 | } else { | |
1502 | Thread[th].status = 0; | |
1503 | v0 = 1; | |
1504 | } | |
1505 | ||
1506 | pc0 = ra; | |
1507 | } | |
1508 | ||
1509 | /* | |
1510 | * int ChangeTh(long thread); | |
1511 | */ | |
1512 | ||
1513 | void psxBios_ChangeTh() { // 10 | |
1514 | int th = a0 & 0xff; | |
1515 | ||
1516 | #ifdef PSXBIOS_LOG | |
1517 | // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); | |
1518 | #endif | |
1519 | ||
1520 | if (Thread[th].status == 0 || CurThread == th) { | |
1521 | v0 = 0; | |
1522 | ||
1523 | pc0 = ra; | |
1524 | } else { | |
1525 | v0 = 1; | |
1526 | ||
1527 | if (Thread[CurThread].status == 2) { | |
1528 | Thread[CurThread].status = 1; | |
1529 | Thread[CurThread].func = ra; | |
1530 | memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4); | |
1531 | } | |
1532 | ||
1533 | memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4); | |
1534 | pc0 = Thread[th].func; | |
1535 | Thread[th].status = 2; | |
1536 | CurThread = th; | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | void psxBios_InitPAD() { // 0x12 | |
1541 | #ifdef PSXBIOS_LOG | |
1542 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); | |
1543 | #endif | |
1544 | ||
1545 | pad_buf1 = (char*)Ra0; | |
1546 | pad_buf1len = a1; | |
1547 | pad_buf2 = (char*)Ra2; | |
1548 | pad_buf2len = a3; | |
1549 | ||
1550 | v0 = 1; pc0 = ra; | |
1551 | } | |
1552 | ||
1553 | void psxBios_StartPAD() { // 13 | |
1554 | #ifdef PSXBIOS_LOG | |
1555 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); | |
1556 | #endif | |
1557 | ||
1558 | psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); | |
1559 | psxRegs.CP0.n.Status |= 0x401; | |
1560 | pc0 = ra; | |
1561 | } | |
1562 | ||
1563 | void psxBios_StopPAD() { // 14 | |
1564 | #ifdef PSXBIOS_LOG | |
1565 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); | |
1566 | #endif | |
1567 | ||
1568 | pad_buf1 = NULL; | |
1569 | pad_buf2 = NULL; | |
1570 | pc0 = ra; | |
1571 | } | |
1572 | ||
1573 | void psxBios_PAD_init() { // 15 | |
1574 | #ifdef PSXBIOS_LOG | |
1575 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); | |
1576 | #endif | |
1577 | psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); | |
1578 | pad_buf = (int *)Ra1; | |
1579 | *pad_buf = -1; | |
1580 | psxRegs.CP0.n.Status |= 0x401; | |
1581 | pc0 = ra; | |
1582 | } | |
1583 | ||
1584 | void psxBios_PAD_dr() { // 16 | |
1585 | #ifdef PSXBIOS_LOG | |
1586 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); | |
1587 | #endif | |
1588 | ||
1589 | v0 = -1; pc0 = ra; | |
1590 | } | |
1591 | ||
1592 | void psxBios_ReturnFromException() { // 17 | |
1593 | LoadRegs(); | |
1594 | ||
1595 | pc0 = psxRegs.CP0.n.EPC; | |
1596 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4; | |
1597 | ||
1598 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
1599 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
1600 | } | |
1601 | ||
1602 | void psxBios_ResetEntryInt() { // 18 | |
1603 | #ifdef PSXBIOS_LOG | |
1604 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); | |
1605 | #endif | |
1606 | ||
1607 | jmp_int = NULL; | |
1608 | pc0 = ra; | |
1609 | } | |
1610 | ||
1611 | void psxBios_HookEntryInt() { // 19 | |
1612 | #ifdef PSXBIOS_LOG | |
1613 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]); | |
1614 | #endif | |
1615 | ||
1616 | jmp_int = (u32*)Ra0; | |
1617 | pc0 = ra; | |
1618 | } | |
1619 | ||
1620 | void psxBios_UnDeliverEvent() { // 0x20 | |
1621 | int ev, spec; | |
1622 | int i; | |
1623 | ||
1624 | GetEv(); | |
1625 | GetSpec(); | |
1626 | ||
1627 | #ifdef PSXBIOS_LOG | |
1628 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); | |
1629 | #endif | |
1630 | ||
1631 | if (Event[ev][spec].status == EvStALREADY && | |
1632 | Event[ev][spec].mode == EvMdNOINTR) | |
1633 | Event[ev][spec].status = EvStACTIVE; | |
1634 | ||
1635 | pc0 = ra; | |
1636 | } | |
1637 | ||
1638 | #define buopen(mcd) { \ | |
1639 | strcpy(FDesc[1 + mcd].name, Ra0+5); \ | |
1640 | FDesc[1 + mcd].offset = 0; \ | |
1641 | FDesc[1 + mcd].mode = a1; \ | |
1642 | \ | |
1643 | for (i=1; i<16; i++) { \ | |
1644 | ptr = Mcd##mcd##Data + 128 * i; \ | |
1645 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
1646 | if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \ | |
1647 | FDesc[1 + mcd].mcfile = i; \ | |
1648 | SysPrintf("open %s\n", ptr+0xa); \ | |
1649 | v0 = 1 + mcd; \ | |
1650 | break; \ | |
1651 | } \ | |
1652 | if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \ | |
1653 | for (i=1; i<16; i++) { \ | |
1654 | int j, xor = 0; \ | |
1655 | \ | |
1656 | ptr = Mcd##mcd##Data + 128 * i; \ | |
1657 | if ((*ptr & 0xF0) == 0x50) continue; \ | |
1658 | ptr[0] = 0x50 | (u8)(a1 >> 16); \ | |
1659 | ptr[4] = 0x00; \ | |
1660 | ptr[5] = 0x20; \ | |
1661 | ptr[6] = 0x00; \ | |
1662 | ptr[7] = 0x00; \ | |
1663 | ptr[8] = 'B'; \ | |
1664 | ptr[9] = 'I'; \ | |
1665 | strcpy(ptr+0xa, FDesc[1 + mcd].name); \ | |
1666 | for (j=0; j<127; j++) xor^= ptr[j]; \ | |
1667 | ptr[127] = xor; \ | |
1668 | FDesc[1 + mcd].mcfile = i; \ | |
1669 | SysPrintf("openC %s\n", ptr); \ | |
1670 | v0 = 1 + mcd; \ | |
1671 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \ | |
1672 | break; \ | |
1673 | } \ | |
1674 | } \ | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * int open(char *name , int mode); | |
1679 | */ | |
1680 | ||
1681 | void psxBios_open() { // 0x32 | |
1682 | int i; | |
1683 | char *ptr; | |
1684 | ||
1685 | #ifdef PSXBIOS_LOG | |
1686 | PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); | |
1687 | #endif | |
1688 | ||
1689 | v0 = -1; | |
1690 | ||
1691 | if (!strncmp(Ra0, "bu00", 4)) { | |
1692 | buopen(1); | |
1693 | } | |
1694 | ||
1695 | if (!strncmp(Ra0, "bu10", 4)) { | |
1696 | buopen(2); | |
1697 | } | |
1698 | ||
1699 | pc0 = ra; | |
1700 | } | |
1701 | ||
1702 | /* | |
1703 | * int lseek(int fd , int offset , int whence); | |
1704 | */ | |
1705 | ||
1706 | void psxBios_lseek() { // 0x33 | |
1707 | #ifdef PSXBIOS_LOG | |
1708 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); | |
1709 | #endif | |
1710 | ||
1711 | switch (a2) { | |
1712 | case 0: // SEEK_SET | |
1713 | FDesc[a0].offset = a1; | |
1714 | v0 = a1; | |
1715 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
1716 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
1717 | break; | |
1718 | ||
1719 | case 1: // SEEK_CUR | |
1720 | FDesc[a0].offset+= a1; | |
1721 | v0 = FDesc[a0].offset; | |
1722 | break; | |
1723 | } | |
1724 | ||
1725 | pc0 = ra; | |
1726 | } | |
1727 | ||
1728 | #define buread(mcd) { \ | |
1729 | 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); \ | |
1730 | ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
1731 | memcpy(Ra1, ptr, a2); \ | |
1732 | if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \ | |
1733 | else v0 = a2; \ | |
1734 | FDesc[1 + mcd].offset += v0; \ | |
1735 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ | |
1736 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
1737 | } | |
1738 | ||
1739 | /* | |
1740 | * int read(int fd , void *buf , int nbytes); | |
1741 | */ | |
1742 | ||
1743 | void psxBios_read() { // 0x34 | |
1744 | char *ptr; | |
1745 | ||
1746 | #ifdef PSXBIOS_LOG | |
1747 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); | |
1748 | #endif | |
1749 | ||
1750 | v0 = -1; | |
1751 | ||
1752 | switch (a0) { | |
1753 | case 2: buread(1); break; | |
1754 | case 3: buread(2); break; | |
1755 | } | |
1756 | ||
1757 | pc0 = ra; | |
1758 | } | |
1759 | ||
1760 | #define buwrite(mcd) { \ | |
1761 | u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ | |
1762 | SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ | |
1763 | ptr = Mcd##mcd##Data + offset; \ | |
1764 | memcpy(ptr, Ra1, a2); \ | |
1765 | FDesc[1 + mcd].offset += a2; \ | |
1766 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \ | |
1767 | if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \ | |
1768 | else v0 = a2; \ | |
1769 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ | |
1770 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ | |
1771 | } | |
1772 | ||
1773 | /* | |
1774 | * int write(int fd , void *buf , int nbytes); | |
1775 | */ | |
1776 | ||
1777 | void psxBios_write() { // 0x35/0x03 | |
1778 | char *ptr; | |
1779 | ||
1780 | if (a0 == 1) { // stdout | |
1781 | char *ptr = Ra1; | |
1782 | ||
1783 | while (a2 > 0) { | |
1784 | SysPrintf("%c", *ptr++); a2--; | |
1785 | } | |
1786 | pc0 = ra; return; | |
1787 | } | |
1788 | #ifdef PSXBIOS_LOG | |
1789 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); | |
1790 | #endif | |
1791 | ||
1792 | v0 = -1; | |
1793 | ||
1794 | switch (a0) { | |
1795 | case 2: buwrite(1); break; | |
1796 | case 3: buwrite(2); break; | |
1797 | } | |
1798 | ||
1799 | pc0 = ra; | |
1800 | } | |
1801 | ||
1802 | /* | |
1803 | * int close(int fd); | |
1804 | */ | |
1805 | ||
1806 | void psxBios_close() { // 0x36 | |
1807 | #ifdef PSXBIOS_LOG | |
1808 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); | |
1809 | #endif | |
1810 | ||
1811 | v0 = a0; | |
1812 | pc0 = ra; | |
1813 | } | |
1814 | ||
1815 | void psxBios_putchar() { // 3d | |
1816 | SysPrintf("%c", (char)a0); | |
1817 | pc0 = ra; | |
1818 | } | |
1819 | ||
1820 | void psxBios_puts() { // 3e/3f | |
1821 | SysPrintf(Ra0); | |
1822 | pc0 = ra; | |
1823 | } | |
1824 | ||
1825 | char ffile[64], *pfile; | |
1826 | int nfile; | |
1827 | ||
1828 | #define bufile(mcd) { \ | |
1829 | while (nfile < 16) { \ | |
1830 | int match=1; \ | |
1831 | \ | |
1832 | ptr = Mcd##mcd##Data + 128 * nfile; \ | |
1833 | nfile++; \ | |
1834 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
1835 | ptr+= 0xa; \ | |
1836 | if (pfile[0] == 0) { \ | |
1837 | strcpy(dir->name, ptr); \ | |
1838 | } else for (i=0; i<20; i++) { \ | |
1839 | if (pfile[i] == ptr[i]) { \ | |
1840 | dir->name[i] = ptr[i]; \ | |
1841 | if (ptr[i] == 0) break; else continue; } \ | |
1842 | if (pfile[i] == '?') { \ | |
1843 | dir->name[i] = ptr[i]; continue; } \ | |
1844 | if (pfile[i] == '*') { \ | |
1845 | strcpy(dir->name+i, ptr+i); break; } \ | |
1846 | match = 0; break; \ | |
1847 | } \ | |
1848 | SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ | |
1849 | if (match == 0) continue; \ | |
1850 | dir->size = 8192; \ | |
1851 | v0 = _dir; \ | |
1852 | break; \ | |
1853 | } \ | |
1854 | } | |
1855 | ||
1856 | /* | |
1857 | * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); | |
1858 | */ | |
1859 | ||
1860 | void psxBios_firstfile() { // 42 | |
1861 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; | |
1862 | u32 _dir = a1; | |
1863 | char *ptr; | |
1864 | int i; | |
1865 | ||
1866 | #ifdef PSXBIOS_LOG | |
1867 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); | |
1868 | #endif | |
1869 | ||
1870 | v0 = 0; | |
1871 | ||
1872 | strcpy(ffile, Ra0); | |
1873 | pfile = ffile+5; | |
1874 | nfile = 1; | |
1875 | if (!strncmp(Ra0, "bu00", 4)) { | |
1876 | bufile(1); | |
190d4915 | 1877 | } else if (!strncmp(Ra0, "bu10", 4)) { |
ef79bbde | 1878 | bufile(2); |
ef79bbde P |
1879 | } |
1880 | ||
66ade381 | 1881 | // firstfile() calls _card_read() internally, so deliver it's event |
1882 | DeliverEvent(0x11, 0x2); | |
1883 | ||
ef79bbde P |
1884 | pc0 = ra; |
1885 | } | |
1886 | ||
1887 | /* | |
1888 | * struct DIRENTRY* nextfile(struct DIRENTRY *dir); | |
1889 | */ | |
1890 | ||
1891 | void psxBios_nextfile() { // 43 | |
1892 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; | |
1893 | u32 _dir = a0; | |
1894 | char *ptr; | |
1895 | int i; | |
1896 | ||
1897 | #ifdef PSXBIOS_LOG | |
1898 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); | |
1899 | #endif | |
1900 | ||
1901 | v0 = 0; | |
1902 | ||
1903 | if (!strncmp(ffile, "bu00", 4)) { | |
1904 | bufile(1); | |
1905 | } | |
1906 | ||
1907 | if (!strncmp(ffile, "bu10", 4)) { | |
1908 | bufile(2); | |
1909 | } | |
1910 | ||
1911 | pc0 = ra; | |
1912 | } | |
1913 | ||
1914 | #define burename(mcd) { \ | |
1915 | for (i=1; i<16; i++) { \ | |
1916 | int namelen, j, xor = 0; \ | |
1917 | ptr = Mcd##mcd##Data + 128 * i; \ | |
1918 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
1919 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
1920 | namelen = strlen(Ra1+5); \ | |
1921 | memcpy(ptr+0xa, Ra1+5, namelen); \ | |
1922 | memset(ptr+0xa+namelen, 0, 0x75-namelen); \ | |
1923 | for (j=0; j<127; j++) xor^= ptr[j]; \ | |
1924 | ptr[127] = xor; \ | |
1925 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ | |
1926 | v0 = 1; \ | |
1927 | break; \ | |
1928 | } \ | |
1929 | } | |
1930 | ||
1931 | /* | |
1932 | * int rename(char *old, char *new); | |
1933 | */ | |
1934 | ||
1935 | void psxBios_rename() { // 44 | |
1936 | char *ptr; | |
1937 | int i; | |
1938 | ||
1939 | #ifdef PSXBIOS_LOG | |
1940 | PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); | |
1941 | #endif | |
1942 | ||
1943 | v0 = 0; | |
1944 | ||
1945 | if (!strncmp(Ra0, "bu00", 4) && !strncmp(Ra1, "bu00", 4)) { | |
1946 | burename(1); | |
1947 | } | |
1948 | ||
1949 | if (!strncmp(Ra0, "bu10", 4) && !strncmp(Ra1, "bu10", 4)) { | |
1950 | burename(2); | |
1951 | } | |
1952 | ||
1953 | pc0 = ra; | |
1954 | } | |
1955 | ||
1956 | ||
1957 | #define budelete(mcd) { \ | |
1958 | for (i=1; i<16; i++) { \ | |
1959 | ptr = Mcd##mcd##Data + 128 * i; \ | |
1960 | if ((*ptr & 0xF0) != 0x50) continue; \ | |
1961 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ | |
1962 | *ptr = (*ptr & 0xf) | 0xA0; \ | |
1963 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ | |
1964 | SysPrintf("delete %s\n", ptr+0xa); \ | |
1965 | v0 = 1; \ | |
1966 | break; \ | |
1967 | } \ | |
1968 | } | |
1969 | ||
1970 | /* | |
1971 | * int delete(char *name); | |
1972 | */ | |
1973 | ||
1974 | void psxBios_delete() { // 45 | |
1975 | char *ptr; | |
1976 | int i; | |
1977 | ||
1978 | #ifdef PSXBIOS_LOG | |
1979 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); | |
1980 | #endif | |
1981 | ||
1982 | v0 = 0; | |
1983 | ||
1984 | if (!strncmp(Ra0, "bu00", 4)) { | |
1985 | budelete(1); | |
1986 | } | |
1987 | ||
1988 | if (!strncmp(Ra0, "bu10", 4)) { | |
1989 | budelete(2); | |
1990 | } | |
1991 | ||
1992 | pc0 = ra; | |
1993 | } | |
1994 | ||
1995 | void psxBios_InitCARD() { // 4a | |
1996 | #ifdef PSXBIOS_LOG | |
1997 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); | |
1998 | #endif | |
1999 | ||
2000 | CardState = 0; | |
2001 | ||
2002 | pc0 = ra; | |
2003 | } | |
2004 | ||
2005 | void psxBios_StartCARD() { // 4b | |
2006 | #ifdef PSXBIOS_LOG | |
2007 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); | |
2008 | #endif | |
2009 | ||
2010 | if (CardState == 0) CardState = 1; | |
2011 | ||
2012 | pc0 = ra; | |
2013 | } | |
2014 | ||
2015 | void psxBios_StopCARD() { // 4c | |
2016 | #ifdef PSXBIOS_LOG | |
2017 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); | |
2018 | #endif | |
2019 | ||
2020 | if (CardState == 1) CardState = 0; | |
2021 | ||
2022 | pc0 = ra; | |
2023 | } | |
2024 | ||
2025 | void psxBios__card_write() { // 0x4e | |
2026 | int port; | |
2027 | ||
2028 | #ifdef PSXBIOS_LOG | |
2029 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); | |
2030 | #endif | |
2031 | ||
e9fda093 | 2032 | card_active_chan = a0; |
ef79bbde P |
2033 | port = a0 >> 4; |
2034 | ||
2035 | if (port == 0) { | |
2036 | memcpy(Mcd1Data + a1 * 128, Ra2, 128); | |
2037 | SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); | |
2038 | } else { | |
2039 | memcpy(Mcd2Data + a1 * 128, Ra2, 128); | |
2040 | SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); | |
2041 | } | |
2042 | ||
2043 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2044 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2045 | ||
2046 | v0 = 1; pc0 = ra; | |
2047 | } | |
2048 | ||
2049 | void psxBios__card_read() { // 0x4f | |
2050 | int port; | |
2051 | ||
2052 | #ifdef PSXBIOS_LOG | |
2053 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); | |
2054 | #endif | |
2055 | ||
e9fda093 | 2056 | card_active_chan = a0; |
ef79bbde P |
2057 | port = a0 >> 4; |
2058 | ||
2059 | if (port == 0) { | |
2060 | memcpy(Ra2, Mcd1Data + a1 * 128, 128); | |
2061 | } else { | |
2062 | memcpy(Ra2, Mcd2Data + a1 * 128, 128); | |
2063 | } | |
2064 | ||
2065 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 | |
2066 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 | |
2067 | ||
2068 | v0 = 1; pc0 = ra; | |
2069 | } | |
2070 | ||
2071 | void psxBios__new_card() { // 0x50 | |
2072 | #ifdef PSXBIOS_LOG | |
2073 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); | |
2074 | #endif | |
2075 | ||
2076 | pc0 = ra; | |
2077 | } | |
2078 | ||
2079 | void psxBios_Krom2RawAdd() { // 0x51 | |
2080 | int i = 0; | |
2081 | ||
2082 | const u32 table_8140[][2] = { | |
2083 | {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, | |
2084 | {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, | |
2085 | {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, | |
2086 | {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, | |
2087 | {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, | |
2088 | {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, | |
2089 | {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, | |
2090 | {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, | |
2091 | {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, | |
2092 | {0xffff, 0} | |
2093 | }; | |
2094 | ||
2095 | const u32 table_889f[][2] = { | |
2096 | {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, | |
2097 | {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, | |
2098 | {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, | |
2099 | {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, | |
2100 | {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, | |
2101 | {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, | |
2102 | {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, | |
2103 | {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, | |
2104 | {0xffff, 0} | |
2105 | }; | |
2106 | ||
2107 | if (a0 >= 0x8140 && a0 <= 0x84be) { | |
2108 | while (table_8140[i][0] <= a0) i++; | |
2109 | a0 -= table_8140[i - 1][0]; | |
2110 | v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); | |
2111 | } else if (a0 >= 0x889f && a0 <= 0x9872) { | |
2112 | while (table_889f[i][0] <= a0) i++; | |
2113 | a0 -= table_889f[i - 1][0]; | |
2114 | v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); | |
2115 | } else { | |
2116 | v0 = 0xffffffff; | |
2117 | } | |
2118 | ||
2119 | pc0 = ra; | |
2120 | } | |
2121 | ||
2122 | void psxBios_GetC0Table() { // 56 | |
2123 | #ifdef PSXBIOS_LOG | |
2124 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); | |
2125 | #endif | |
2126 | ||
2127 | v0 = 0x674; pc0 = ra; | |
2128 | } | |
2129 | ||
2130 | void psxBios_GetB0Table() { // 57 | |
2131 | #ifdef PSXBIOS_LOG | |
2132 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); | |
2133 | #endif | |
2134 | ||
2135 | v0 = 0x874; pc0 = ra; | |
2136 | } | |
2137 | ||
e9fda093 | 2138 | void psxBios__card_chan() { // 0x58 |
2139 | #ifdef PSXBIOS_LOG | |
2140 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]); | |
2141 | #endif | |
2142 | ||
2143 | v0 = card_active_chan; | |
2144 | pc0 = ra; | |
2145 | } | |
2146 | ||
ef79bbde P |
2147 | void psxBios_ChangeClearPad() { // 5b |
2148 | #ifdef PSXBIOS_LOG | |
2149 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); | |
2150 | #endif | |
2151 | ||
2152 | pc0 = ra; | |
2153 | } | |
2154 | ||
2155 | /* System calls C0 */ | |
2156 | ||
2157 | /* | |
2158 | * int SysEnqIntRP(int index , long *queue); | |
2159 | */ | |
2160 | ||
2161 | void psxBios_SysEnqIntRP() { // 02 | |
2162 | #ifdef PSXBIOS_LOG | |
2163 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0); | |
2164 | #endif | |
2165 | ||
2166 | SysIntRP[a0] = a1; | |
2167 | ||
2168 | v0 = 0; pc0 = ra; | |
2169 | } | |
2170 | ||
2171 | /* | |
2172 | * int SysDeqIntRP(int index , long *queue); | |
2173 | */ | |
2174 | ||
2175 | void psxBios_SysDeqIntRP() { // 03 | |
2176 | #ifdef PSXBIOS_LOG | |
2177 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0); | |
2178 | #endif | |
2179 | ||
2180 | SysIntRP[a0] = 0; | |
2181 | ||
2182 | v0 = 0; pc0 = ra; | |
2183 | } | |
2184 | ||
2185 | void psxBios_ChangeClearRCnt() { // 0a | |
2186 | u32 *ptr; | |
2187 | ||
2188 | #ifdef PSXBIOS_LOG | |
2189 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); | |
2190 | #endif | |
2191 | ||
2192 | ptr = (u32*)PSXM((a0 << 2) + 0x8600); | |
2193 | v0 = *ptr; | |
2194 | *ptr = a1; | |
2195 | ||
2196 | // psxRegs.CP0.n.Status|= 0x404; | |
2197 | pc0 = ra; | |
2198 | } | |
2199 | ||
2200 | void psxBios_dummy() { | |
2201 | #ifdef PSXBIOS_LOG | |
2202 | PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1); | |
2203 | #endif | |
2204 | pc0 = ra; | |
2205 | } | |
2206 | ||
2207 | void (*biosA0[256])(); | |
2208 | void (*biosB0[256])(); | |
2209 | void (*biosC0[256])(); | |
2210 | ||
2211 | #include "sjisfont.h" | |
2212 | ||
2213 | void psxBiosInit() { | |
2214 | u32 base, size; | |
2215 | u32 *ptr; | |
2216 | int i; | |
2217 | uLongf len; | |
2218 | ||
2219 | for(i = 0; i < 256; i++) { | |
2220 | biosA0[i] = NULL; | |
2221 | biosB0[i] = NULL; | |
2222 | biosC0[i] = NULL; | |
2223 | } | |
2224 | biosA0[0x3e] = psxBios_puts; | |
2225 | biosA0[0x3f] = psxBios_printf; | |
2226 | ||
2227 | biosB0[0x3d] = psxBios_putchar; | |
2228 | biosB0[0x3f] = psxBios_puts; | |
2229 | ||
2230 | if (!Config.HLE) return; | |
2231 | ||
2232 | for(i = 0; i < 256; i++) { | |
2233 | if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; | |
2234 | if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; | |
2235 | if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; | |
2236 | } | |
2237 | ||
2238 | biosA0[0x00] = psxBios_open; | |
2239 | biosA0[0x01] = psxBios_lseek; | |
2240 | biosA0[0x02] = psxBios_read; | |
2241 | biosA0[0x03] = psxBios_write; | |
2242 | biosA0[0x04] = psxBios_close; | |
2243 | //biosA0[0x05] = psxBios_ioctl; | |
2244 | //biosA0[0x06] = psxBios_exit; | |
2245 | //biosA0[0x07] = psxBios_sys_a0_07; | |
2246 | //biosA0[0x08] = psxBios_getc; | |
2247 | //biosA0[0x09] = psxBios_putc; | |
2248 | //biosA0[0x0a] = psxBios_todigit; | |
2249 | //biosA0[0x0b] = psxBios_atof; | |
2250 | //biosA0[0x0c] = psxBios_strtoul; | |
2251 | //biosA0[0x0d] = psxBios_strtol; | |
2252 | biosA0[0x0e] = psxBios_abs; | |
2253 | biosA0[0x0f] = psxBios_labs; | |
2254 | biosA0[0x10] = psxBios_atoi; | |
2255 | biosA0[0x11] = psxBios_atol; | |
2256 | //biosA0[0x12] = psxBios_atob; | |
2257 | biosA0[0x13] = psxBios_setjmp; | |
2258 | biosA0[0x14] = psxBios_longjmp; | |
2259 | biosA0[0x15] = psxBios_strcat; | |
2260 | biosA0[0x16] = psxBios_strncat; | |
2261 | biosA0[0x17] = psxBios_strcmp; | |
2262 | biosA0[0x18] = psxBios_strncmp; | |
2263 | biosA0[0x19] = psxBios_strcpy; | |
2264 | biosA0[0x1a] = psxBios_strncpy; | |
2265 | biosA0[0x1b] = psxBios_strlen; | |
2266 | biosA0[0x1c] = psxBios_index; | |
2267 | biosA0[0x1d] = psxBios_rindex; | |
2268 | biosA0[0x1e] = psxBios_strchr; | |
2269 | biosA0[0x1f] = psxBios_strrchr; | |
2270 | biosA0[0x20] = psxBios_strpbrk; | |
2271 | biosA0[0x21] = psxBios_strspn; | |
2272 | biosA0[0x22] = psxBios_strcspn; | |
2273 | biosA0[0x23] = psxBios_strtok; | |
2274 | biosA0[0x24] = psxBios_strstr; | |
2275 | biosA0[0x25] = psxBios_toupper; | |
2276 | biosA0[0x26] = psxBios_tolower; | |
2277 | biosA0[0x27] = psxBios_bcopy; | |
2278 | biosA0[0x28] = psxBios_bzero; | |
2279 | biosA0[0x29] = psxBios_bcmp; | |
2280 | biosA0[0x2a] = psxBios_memcpy; | |
2281 | biosA0[0x2b] = psxBios_memset; | |
2282 | biosA0[0x2c] = psxBios_memmove; | |
2283 | biosA0[0x2d] = psxBios_memcmp; | |
2284 | biosA0[0x2e] = psxBios_memchr; | |
2285 | biosA0[0x2f] = psxBios_rand; | |
2286 | biosA0[0x30] = psxBios_srand; | |
2287 | biosA0[0x31] = psxBios_qsort; | |
2288 | //biosA0[0x32] = psxBios_strtod; | |
2289 | biosA0[0x33] = psxBios_malloc; | |
2290 | biosA0[0x34] = psxBios_free; | |
2291 | //biosA0[0x35] = psxBios_lsearch; | |
2292 | //biosA0[0x36] = psxBios_bsearch; | |
2293 | biosA0[0x37] = psxBios_calloc; | |
2294 | biosA0[0x38] = psxBios_realloc; | |
2295 | biosA0[0x39] = psxBios_InitHeap; | |
2296 | //biosA0[0x3a] = psxBios__exit; | |
2297 | biosA0[0x3b] = psxBios_getchar; | |
2298 | biosA0[0x3c] = psxBios_putchar; | |
2299 | //biosA0[0x3d] = psxBios_gets; | |
2300 | //biosA0[0x40] = psxBios_sys_a0_40; | |
2301 | //biosA0[0x41] = psxBios_LoadTest; | |
2302 | biosA0[0x42] = psxBios_Load; | |
2303 | biosA0[0x43] = psxBios_Exec; | |
2304 | biosA0[0x44] = psxBios_FlushCache; | |
2305 | //biosA0[0x45] = psxBios_InstallInterruptHandler; | |
2306 | biosA0[0x46] = psxBios_GPU_dw; | |
2307 | biosA0[0x47] = psxBios_mem2vram; | |
2308 | biosA0[0x48] = psxBios_SendGPU; | |
2309 | biosA0[0x49] = psxBios_GPU_cw; | |
2310 | biosA0[0x4a] = psxBios_GPU_cwb; | |
2311 | biosA0[0x4b] = psxBios_GPU_SendPackets; | |
2312 | biosA0[0x4c] = psxBios_sys_a0_4c; | |
2313 | biosA0[0x4d] = psxBios_GPU_GetGPUStatus; | |
2314 | //biosA0[0x4e] = psxBios_GPU_sync; | |
2315 | //biosA0[0x4f] = psxBios_sys_a0_4f; | |
2316 | //biosA0[0x50] = psxBios_sys_a0_50; | |
2317 | biosA0[0x51] = psxBios_LoadExec; | |
2318 | //biosA0[0x52] = psxBios_GetSysSp; | |
2319 | //biosA0[0x53] = psxBios_sys_a0_53; | |
2320 | //biosA0[0x54] = psxBios__96_init_a54; | |
2321 | //biosA0[0x55] = psxBios__bu_init_a55; | |
2322 | //biosA0[0x56] = psxBios__96_remove_a56; | |
2323 | //biosA0[0x57] = psxBios_sys_a0_57; | |
2324 | //biosA0[0x58] = psxBios_sys_a0_58; | |
2325 | //biosA0[0x59] = psxBios_sys_a0_59; | |
2326 | //biosA0[0x5a] = psxBios_sys_a0_5a; | |
2327 | //biosA0[0x5b] = psxBios_dev_tty_init; | |
2328 | //biosA0[0x5c] = psxBios_dev_tty_open; | |
2329 | //biosA0[0x5d] = psxBios_sys_a0_5d; | |
2330 | //biosA0[0x5e] = psxBios_dev_tty_ioctl; | |
2331 | //biosA0[0x5f] = psxBios_dev_cd_open; | |
2332 | //biosA0[0x60] = psxBios_dev_cd_read; | |
2333 | //biosA0[0x61] = psxBios_dev_cd_close; | |
2334 | //biosA0[0x62] = psxBios_dev_cd_firstfile; | |
2335 | //biosA0[0x63] = psxBios_dev_cd_nextfile; | |
2336 | //biosA0[0x64] = psxBios_dev_cd_chdir; | |
2337 | //biosA0[0x65] = psxBios_dev_card_open; | |
2338 | //biosA0[0x66] = psxBios_dev_card_read; | |
2339 | //biosA0[0x67] = psxBios_dev_card_write; | |
2340 | //biosA0[0x68] = psxBios_dev_card_close; | |
2341 | //biosA0[0x69] = psxBios_dev_card_firstfile; | |
2342 | //biosA0[0x6a] = psxBios_dev_card_nextfile; | |
2343 | //biosA0[0x6b] = psxBios_dev_card_erase; | |
2344 | //biosA0[0x6c] = psxBios_dev_card_undelete; | |
2345 | //biosA0[0x6d] = psxBios_dev_card_format; | |
2346 | //biosA0[0x6e] = psxBios_dev_card_rename; | |
2347 | //biosA0[0x6f] = psxBios_dev_card_6f; | |
2348 | biosA0[0x70] = psxBios__bu_init; | |
2349 | biosA0[0x71] = psxBios__96_init; | |
2350 | biosA0[0x72] = psxBios__96_remove; | |
2351 | //biosA0[0x73] = psxBios_sys_a0_73; | |
2352 | //biosA0[0x74] = psxBios_sys_a0_74; | |
2353 | //biosA0[0x75] = psxBios_sys_a0_75; | |
2354 | //biosA0[0x76] = psxBios_sys_a0_76; | |
2355 | //biosA0[0x77] = psxBios_sys_a0_77; | |
2356 | //biosA0[0x78] = psxBios__96_CdSeekL; | |
2357 | //biosA0[0x79] = psxBios_sys_a0_79; | |
2358 | //biosA0[0x7a] = psxBios_sys_a0_7a; | |
2359 | //biosA0[0x7b] = psxBios_sys_a0_7b; | |
2360 | //biosA0[0x7c] = psxBios__96_CdGetStatus; | |
2361 | //biosA0[0x7d] = psxBios_sys_a0_7d; | |
2362 | //biosA0[0x7e] = psxBios__96_CdRead; | |
2363 | //biosA0[0x7f] = psxBios_sys_a0_7f; | |
2364 | //biosA0[0x80] = psxBios_sys_a0_80; | |
2365 | //biosA0[0x81] = psxBios_sys_a0_81; | |
2366 | //biosA0[0x82] = psxBios_sys_a0_82; | |
2367 | //biosA0[0x83] = psxBios_sys_a0_83; | |
2368 | //biosA0[0x84] = psxBios_sys_a0_84; | |
2369 | //biosA0[0x85] = psxBios__96_CdStop; | |
2370 | //biosA0[0x86] = psxBios_sys_a0_86; | |
2371 | //biosA0[0x87] = psxBios_sys_a0_87; | |
2372 | //biosA0[0x88] = psxBios_sys_a0_88; | |
2373 | //biosA0[0x89] = psxBios_sys_a0_89; | |
2374 | //biosA0[0x8a] = psxBios_sys_a0_8a; | |
2375 | //biosA0[0x8b] = psxBios_sys_a0_8b; | |
2376 | //biosA0[0x8c] = psxBios_sys_a0_8c; | |
2377 | //biosA0[0x8d] = psxBios_sys_a0_8d; | |
2378 | //biosA0[0x8e] = psxBios_sys_a0_8e; | |
2379 | //biosA0[0x8f] = psxBios_sys_a0_8f; | |
2380 | //biosA0[0x90] = psxBios_sys_a0_90; | |
2381 | //biosA0[0x91] = psxBios_sys_a0_91; | |
2382 | //biosA0[0x92] = psxBios_sys_a0_92; | |
2383 | //biosA0[0x93] = psxBios_sys_a0_93; | |
2384 | //biosA0[0x94] = psxBios_sys_a0_94; | |
2385 | //biosA0[0x95] = psxBios_sys_a0_95; | |
2386 | //biosA0[0x96] = psxBios_AddCDROMDevice; | |
2387 | //biosA0[0x97] = psxBios_AddMemCardDevide; | |
2388 | //biosA0[0x98] = psxBios_DisableKernelIORedirection; | |
2389 | //biosA0[0x99] = psxBios_EnableKernelIORedirection; | |
2390 | //biosA0[0x9a] = psxBios_sys_a0_9a; | |
2391 | //biosA0[0x9b] = psxBios_sys_a0_9b; | |
2392 | //biosA0[0x9c] = psxBios_SetConf; | |
2393 | //biosA0[0x9d] = psxBios_GetConf; | |
2394 | //biosA0[0x9e] = psxBios_sys_a0_9e; | |
2395 | biosA0[0x9f] = psxBios_SetMem; | |
2396 | //biosA0[0xa0] = psxBios__boot; | |
2397 | //biosA0[0xa1] = psxBios_SystemError; | |
2398 | //biosA0[0xa2] = psxBios_EnqueueCdIntr; | |
2399 | //biosA0[0xa3] = psxBios_DequeueCdIntr; | |
2400 | //biosA0[0xa4] = psxBios_sys_a0_a4; | |
2401 | //biosA0[0xa5] = psxBios_ReadSector; | |
2402 | //biosA0[0xa6] = psxBios_get_cd_status; | |
2403 | //biosA0[0xa7] = psxBios_bufs_cb_0; | |
2404 | //biosA0[0xa8] = psxBios_bufs_cb_1; | |
2405 | //biosA0[0xa9] = psxBios_bufs_cb_2; | |
2406 | //biosA0[0xaa] = psxBios_bufs_cb_3; | |
2407 | biosA0[0xab] = psxBios__card_info; | |
2408 | biosA0[0xac] = psxBios__card_load; | |
2409 | //biosA0[0axd] = psxBios__card_auto; | |
2410 | //biosA0[0xae] = psxBios_bufs_cd_4; | |
2411 | //biosA0[0xaf] = psxBios_sys_a0_af; | |
2412 | //biosA0[0xb0] = psxBios_sys_a0_b0; | |
2413 | //biosA0[0xb1] = psxBios_sys_a0_b1; | |
2414 | //biosA0[0xb2] = psxBios_do_a_long_jmp | |
2415 | //biosA0[0xb3] = psxBios_sys_a0_b3; | |
2416 | //biosA0[0xb4] = psxBios_sub_function; | |
2417 | //*******************B0 CALLS**************************** | |
2418 | //biosB0[0x00] = psxBios_SysMalloc; | |
2419 | //biosB0[0x01] = psxBios_sys_b0_01; | |
2420 | biosB0[0x02] = psxBios_SetRCnt; | |
2421 | biosB0[0x03] = psxBios_GetRCnt; | |
2422 | biosB0[0x04] = psxBios_StartRCnt; | |
2423 | biosB0[0x05] = psxBios_StopRCnt; | |
2424 | biosB0[0x06] = psxBios_ResetRCnt; | |
2425 | biosB0[0x07] = psxBios_DeliverEvent; | |
2426 | biosB0[0x08] = psxBios_OpenEvent; | |
2427 | biosB0[0x09] = psxBios_CloseEvent; | |
2428 | biosB0[0x0a] = psxBios_WaitEvent; | |
2429 | biosB0[0x0b] = psxBios_TestEvent; | |
2430 | biosB0[0x0c] = psxBios_EnableEvent; | |
2431 | biosB0[0x0d] = psxBios_DisableEvent; | |
2432 | biosB0[0x0e] = psxBios_OpenTh; | |
2433 | biosB0[0x0f] = psxBios_CloseTh; | |
2434 | biosB0[0x10] = psxBios_ChangeTh; | |
2435 | //biosB0[0x11] = psxBios_psxBios_b0_11; | |
2436 | biosB0[0x12] = psxBios_InitPAD; | |
2437 | biosB0[0x13] = psxBios_StartPAD; | |
2438 | biosB0[0x14] = psxBios_StopPAD; | |
2439 | biosB0[0x15] = psxBios_PAD_init; | |
2440 | biosB0[0x16] = psxBios_PAD_dr; | |
2441 | biosB0[0x17] = psxBios_ReturnFromException; | |
2442 | biosB0[0x18] = psxBios_ResetEntryInt; | |
2443 | biosB0[0x19] = psxBios_HookEntryInt; | |
2444 | //biosB0[0x1a] = psxBios_sys_b0_1a; | |
2445 | //biosB0[0x1b] = psxBios_sys_b0_1b; | |
2446 | //biosB0[0x1c] = psxBios_sys_b0_1c; | |
2447 | //biosB0[0x1d] = psxBios_sys_b0_1d; | |
2448 | //biosB0[0x1e] = psxBios_sys_b0_1e; | |
2449 | //biosB0[0x1f] = psxBios_sys_b0_1f; | |
2450 | biosB0[0x20] = psxBios_UnDeliverEvent; | |
2451 | //biosB0[0x21] = psxBios_sys_b0_21; | |
2452 | //biosB0[0x22] = psxBios_sys_b0_22; | |
2453 | //biosB0[0x23] = psxBios_sys_b0_23; | |
2454 | //biosB0[0x24] = psxBios_sys_b0_24; | |
2455 | //biosB0[0x25] = psxBios_sys_b0_25; | |
2456 | //biosB0[0x26] = psxBios_sys_b0_26; | |
2457 | //biosB0[0x27] = psxBios_sys_b0_27; | |
2458 | //biosB0[0x28] = psxBios_sys_b0_28; | |
2459 | //biosB0[0x29] = psxBios_sys_b0_29; | |
2460 | //biosB0[0x2a] = psxBios_sys_b0_2a; | |
2461 | //biosB0[0x2b] = psxBios_sys_b0_2b; | |
2462 | //biosB0[0x2c] = psxBios_sys_b0_2c; | |
2463 | //biosB0[0x2d] = psxBios_sys_b0_2d; | |
2464 | //biosB0[0x2e] = psxBios_sys_b0_2e; | |
2465 | //biosB0[0x2f] = psxBios_sys_b0_2f; | |
2466 | //biosB0[0x30] = psxBios_sys_b0_30; | |
2467 | //biosB0[0x31] = psxBios_sys_b0_31; | |
2468 | biosB0[0x32] = psxBios_open; | |
2469 | biosB0[0x33] = psxBios_lseek; | |
2470 | biosB0[0x34] = psxBios_read; | |
2471 | biosB0[0x35] = psxBios_write; | |
2472 | biosB0[0x36] = psxBios_close; | |
2473 | //biosB0[0x37] = psxBios_ioctl; | |
2474 | //biosB0[0x38] = psxBios_exit; | |
2475 | //biosB0[0x39] = psxBios_sys_b0_39; | |
2476 | //biosB0[0x3a] = psxBios_getc; | |
2477 | //biosB0[0x3b] = psxBios_putc; | |
2478 | biosB0[0x3c] = psxBios_getchar; | |
2479 | //biosB0[0x3e] = psxBios_gets; | |
2480 | //biosB0[0x40] = psxBios_cd; | |
2481 | //biosB0[0x41] = psxBios_format; | |
2482 | biosB0[0x42] = psxBios_firstfile; | |
2483 | biosB0[0x43] = psxBios_nextfile; | |
2484 | biosB0[0x44] = psxBios_rename; | |
2485 | biosB0[0x45] = psxBios_delete; | |
2486 | //biosB0[0x46] = psxBios_undelete; | |
2487 | //biosB0[0x47] = psxBios_AddDevice; | |
2488 | //biosB0[0x48] = psxBios_RemoteDevice; | |
2489 | //biosB0[0x49] = psxBios_PrintInstalledDevices; | |
2490 | biosB0[0x4a] = psxBios_InitCARD; | |
2491 | biosB0[0x4b] = psxBios_StartCARD; | |
2492 | biosB0[0x4c] = psxBios_StopCARD; | |
2493 | //biosB0[0x4d] = psxBios_sys_b0_4d; | |
2494 | biosB0[0x4e] = psxBios__card_write; | |
2495 | biosB0[0x4f] = psxBios__card_read; | |
2496 | biosB0[0x50] = psxBios__new_card; | |
2497 | biosB0[0x51] = psxBios_Krom2RawAdd; | |
2498 | //biosB0[0x52] = psxBios_sys_b0_52; | |
2499 | //biosB0[0x53] = psxBios_sys_b0_53; | |
2500 | //biosB0[0x54] = psxBios__get_errno; | |
2501 | //biosB0[0x55] = psxBios__get_error; | |
2502 | biosB0[0x56] = psxBios_GetC0Table; | |
2503 | biosB0[0x57] = psxBios_GetB0Table; | |
e9fda093 | 2504 | biosB0[0x58] = psxBios__card_chan; |
ef79bbde P |
2505 | //biosB0[0x59] = psxBios_sys_b0_59; |
2506 | //biosB0[0x5a] = psxBios_sys_b0_5a; | |
2507 | biosB0[0x5b] = psxBios_ChangeClearPad; | |
2508 | //biosB0[0x5c] = psxBios__card_status; | |
2509 | //biosB0[0x5d] = psxBios__card_wait; | |
2510 | //*******************C0 CALLS**************************** | |
2511 | //biosC0[0x00] = psxBios_InitRCnt; | |
2512 | //biosC0[0x01] = psxBios_InitException; | |
2513 | biosC0[0x02] = psxBios_SysEnqIntRP; | |
2514 | biosC0[0x03] = psxBios_SysDeqIntRP; | |
2515 | //biosC0[0x04] = psxBios_get_free_EvCB_slot; | |
2516 | //biosC0[0x05] = psxBios_get_free_TCB_slot; | |
2517 | //biosC0[0x06] = psxBios_ExceptionHandler; | |
2518 | //biosC0[0x07] = psxBios_InstallExeptionHandler; | |
2519 | //biosC0[0x08] = psxBios_SysInitMemory; | |
2520 | //biosC0[0x09] = psxBios_SysInitKMem; | |
2521 | biosC0[0x0a] = psxBios_ChangeClearRCnt; | |
2522 | //biosC0[0x0b] = psxBios_SystemError; | |
2523 | //biosC0[0x0c] = psxBios_InitDefInt; | |
2524 | //biosC0[0x0d] = psxBios_sys_c0_0d; | |
2525 | //biosC0[0x0e] = psxBios_sys_c0_0e; | |
2526 | //biosC0[0x0f] = psxBios_sys_c0_0f; | |
2527 | //biosC0[0x10] = psxBios_sys_c0_10; | |
2528 | //biosC0[0x11] = psxBios_sys_c0_11; | |
2529 | //biosC0[0x12] = psxBios_InstallDevices; | |
2530 | //biosC0[0x13] = psxBios_FlushStfInOutPut; | |
2531 | //biosC0[0x14] = psxBios_sys_c0_14; | |
2532 | //biosC0[0x15] = psxBios__cdevinput; | |
2533 | //biosC0[0x16] = psxBios__cdevscan; | |
2534 | //biosC0[0x17] = psxBios__circgetc; | |
2535 | //biosC0[0x18] = psxBios__circputc; | |
2536 | //biosC0[0x19] = psxBios_ioabort; | |
2537 | //biosC0[0x1a] = psxBios_sys_c0_1a | |
2538 | //biosC0[0x1b] = psxBios_KernelRedirect; | |
2539 | //biosC0[0x1c] = psxBios_PatchAOTable; | |
2540 | //************** THE END *************************************** | |
2541 | /**/ | |
2542 | base = 0x1000; | |
2543 | size = sizeof(EvCB) * 32; | |
2544 | Event = (void *)&psxR[base]; base += size * 6; | |
2545 | memset(Event, 0, size * 6); | |
2546 | HwEV = Event; | |
2547 | EvEV = Event + 32; | |
2548 | RcEV = Event + 32 * 2; | |
2549 | UeEV = Event + 32 * 3; | |
2550 | SwEV = Event + 32 * 4; | |
2551 | ThEV = Event + 32 * 5; | |
2552 | ||
2553 | ptr = (u32 *)&psxM[0x0874]; // b0 table | |
2554 | ptr[0] = SWAPu32(0x4c54 - 0x884); | |
2555 | ||
2556 | ptr = (u32 *)&psxM[0x0674]; // c0 table | |
2557 | ptr[6] = SWAPu32(0xc80); | |
2558 | ||
2559 | memset(SysIntRP, 0, sizeof(SysIntRP)); | |
2560 | memset(Thread, 0, sizeof(Thread)); | |
2561 | Thread[0].status = 2; // main thread | |
2562 | ||
c62b43c9 | 2563 | jmp_int = NULL; |
2564 | pad_buf = NULL; | |
2565 | pad_buf1 = NULL; | |
2566 | pad_buf2 = NULL; | |
2567 | pad_buf1len = pad_buf2len = 0; | |
2568 | heap_addr = NULL; | |
2569 | heap_end = NULL; | |
2570 | CardState = -1; | |
2571 | CurThread = 0; | |
2572 | memset(FDesc, 0, sizeof(FDesc)); | |
2573 | ||
ef79bbde P |
2574 | psxMu32ref(0x0150) = SWAPu32(0x160); |
2575 | psxMu32ref(0x0154) = SWAPu32(0x320); | |
2576 | psxMu32ref(0x0160) = SWAPu32(0x248); | |
2577 | strcpy((char *)&psxM[0x248], "bu"); | |
2578 | /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004); | |
2579 | psxMu32ref(0x0cf0) = SWAPu32(0x3c020000); | |
2580 | psxMu32ref(0x0cf4) = SWAPu32(0x2442641c); | |
2581 | psxMu32ref(0x09e0) = SWAPu32(0x43d0); | |
2582 | psxMu32ref(0x4d98) = SWAPu32(0x946f000a); | |
2583 | */ | |
2584 | // opcode HLE | |
2585 | psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4); | |
2586 | psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0); | |
2587 | psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1); | |
2588 | psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2); | |
2589 | psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3); | |
2590 | psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0); | |
2591 | psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5); | |
2592 | psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0); | |
2593 | psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0); | |
2594 | psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0); | |
2595 | ||
2596 | // initial stack pointer for BIOS interrupt | |
2597 | psxMu32ref(0x6c80) = SWAPu32(0x000085c8); | |
2598 | ||
2599 | // initial RNG seed | |
2600 | psxMu32ref(0x9010) = SWAPu32(0xac20cc00); | |
2601 | ||
2602 | // fonts | |
2603 | len = 0x80000 - 0x66000; | |
2604 | uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); | |
2605 | len = 0x80000 - 0x69d68; | |
2606 | uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f)); | |
2607 | ||
2608 | // memory size 2 MB | |
2609 | psxHu32ref(0x1060) = SWAPu32(0x00000b88); | |
2610 | ||
2611 | hleSoftCall = FALSE; | |
2612 | } | |
2613 | ||
2614 | void psxBiosShutdown() { | |
2615 | } | |
2616 | ||
2617 | #define psxBios_PADpoll(pad) { \ | |
2618 | PAD##pad##_startPoll(pad); \ | |
2619 | pad_buf##pad[0] = 0; \ | |
2620 | pad_buf##pad[1] = PAD##pad##_poll(0x42); \ | |
2621 | if (!(pad_buf##pad[1] & 0x0f)) { \ | |
2622 | bufcount = 32; \ | |
2623 | } else { \ | |
2624 | bufcount = (pad_buf##pad[1] & 0x0f) * 2; \ | |
2625 | } \ | |
2626 | PAD##pad##_poll(0); \ | |
2627 | i = 2; \ | |
2628 | while (bufcount--) { \ | |
2629 | pad_buf##pad[i++] = PAD##pad##_poll(0); \ | |
2630 | } \ | |
2631 | } | |
2632 | ||
2633 | void biosInterrupt() { | |
2634 | int i, bufcount; | |
2635 | ||
2636 | // if (psxHu32(0x1070) & 0x1) { // Vsync | |
2637 | if (pad_buf != NULL) { | |
2638 | u32 *buf = (u32*)pad_buf; | |
2639 | ||
2640 | if (!Config.UseNet) { | |
2641 | PAD1_startPoll(1); | |
2642 | if (PAD1_poll(0x42) == 0x23) { | |
2643 | PAD1_poll(0); | |
2644 | *buf = PAD1_poll(0) << 8; | |
2645 | *buf |= PAD1_poll(0); | |
2646 | PAD1_poll(0); | |
2647 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); | |
2648 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); | |
2649 | } else { | |
2650 | PAD1_poll(0); | |
2651 | *buf = PAD1_poll(0) << 8; | |
2652 | *buf|= PAD1_poll(0); | |
2653 | } | |
2654 | ||
2655 | PAD2_startPoll(2); | |
2656 | if (PAD2_poll(0x42) == 0x23) { | |
2657 | PAD2_poll(0); | |
2658 | *buf |= PAD2_poll(0) << 24; | |
2659 | *buf |= PAD2_poll(0) << 16; | |
2660 | PAD2_poll(0); | |
2661 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); | |
2662 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); | |
2663 | } else { | |
2664 | PAD2_poll(0); | |
2665 | *buf |= PAD2_poll(0) << 24; | |
2666 | *buf |= PAD2_poll(0) << 16; | |
2667 | } | |
2668 | } else { | |
2669 | u16 data; | |
2670 | ||
2671 | PAD1_startPoll(1); | |
2672 | PAD1_poll(0x42); | |
2673 | PAD1_poll(0); | |
2674 | data = PAD1_poll(0) << 8; | |
2675 | data |= PAD1_poll(0); | |
2676 | ||
2677 | if (NET_sendPadData(&data, 2) == -1) | |
2678 | netError(); | |
2679 | ||
2680 | if (NET_recvPadData(&((u16*)buf)[0], 1) == -1) | |
2681 | netError(); | |
2682 | if (NET_recvPadData(&((u16*)buf)[1], 2) == -1) | |
2683 | netError(); | |
2684 | } | |
2685 | } | |
2686 | if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) { | |
2687 | psxBios_PADpoll(1); | |
2688 | ||
2689 | if (NET_sendPadData(pad_buf1, i) == -1) | |
2690 | netError(); | |
2691 | ||
2692 | if (NET_recvPadData(pad_buf1, 1) == -1) | |
2693 | netError(); | |
2694 | if (NET_recvPadData(pad_buf2, 2) == -1) | |
2695 | netError(); | |
2696 | } else { | |
2697 | if (pad_buf1) { | |
2698 | psxBios_PADpoll(1); | |
2699 | } | |
2700 | ||
2701 | if (pad_buf2) { | |
2702 | psxBios_PADpoll(2); | |
2703 | } | |
2704 | } | |
2705 | ||
2706 | if (psxHu32(0x1070) & 0x1) { // Vsync | |
2707 | if (RcEV[3][1].status == EvStACTIVE) { | |
2708 | softCall(RcEV[3][1].fhandler); | |
2709 | // hwWrite32(0x1f801070, ~(1)); | |
2710 | } | |
2711 | } | |
2712 | ||
2713 | if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2 | |
2714 | int i; | |
2715 | ||
2716 | for (i = 0; i < 3; i++) { | |
2717 | if (psxHu32(0x1070) & (1 << (i + 4))) { | |
2718 | if (RcEV[i][1].status == EvStACTIVE) { | |
2719 | softCall(RcEV[i][1].fhandler); | |
2720 | } | |
2721 | psxHwWrite32(0x1f801070, ~(1 << (i + 4))); | |
2722 | } | |
2723 | } | |
2724 | } | |
2725 | } | |
2726 | ||
2727 | void psxBiosException() { | |
2728 | int i; | |
2729 | ||
2730 | switch (psxRegs.CP0.n.Cause & 0x3c) { | |
2731 | case 0x00: // Interrupt | |
2732 | #ifdef PSXCPU_LOG | |
2733 | // PSXCPU_LOG("interrupt\n"); | |
2734 | #endif | |
2735 | SaveRegs(); | |
2736 | ||
2737 | sp = psxMu32(0x6c80); // create new stack for interrupt handlers | |
2738 | ||
2739 | biosInterrupt(); | |
2740 | ||
2741 | for (i = 0; i < 8; i++) { | |
2742 | if (SysIntRP[i]) { | |
2743 | u32 *queue = (u32 *)PSXM(SysIntRP[i]); | |
2744 | ||
2745 | s0 = queue[2]; | |
2746 | softCall(queue[1]); | |
2747 | } | |
2748 | } | |
2749 | ||
2750 | if (jmp_int != NULL) { | |
2751 | int i; | |
2752 | ||
2753 | psxHwWrite32(0x1f801070, 0xffffffff); | |
2754 | ||
2755 | ra = jmp_int[0]; | |
2756 | sp = jmp_int[1]; | |
2757 | fp = jmp_int[2]; | |
2758 | for (i = 0; i < 8; i++) // s0-s7 | |
2759 | psxRegs.GPR.r[16 + i] = jmp_int[3 + i]; | |
2760 | gp = jmp_int[11]; | |
2761 | ||
2762 | v0 = 1; | |
2763 | pc0 = ra; | |
2764 | return; | |
2765 | } | |
2766 | psxHwWrite16(0x1f801070, 0); | |
2767 | break; | |
2768 | ||
2769 | case 0x20: // Syscall | |
2770 | #ifdef PSXCPU_LOG | |
2771 | PSXCPU_LOG("syscall exp %x\n", a0); | |
2772 | #endif | |
2773 | switch (a0) { | |
2774 | case 1: // EnterCritical - disable irq's | |
2775 | psxRegs.CP0.n.Status &= ~0x404; | |
2776 | v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic | |
2777 | break; | |
2778 | ||
2779 | case 2: // ExitCritical - enable irq's | |
2780 | psxRegs.CP0.n.Status |= 0x404; | |
2781 | break; | |
2782 | } | |
2783 | pc0 = psxRegs.CP0.n.EPC + 4; | |
2784 | ||
2785 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
2786 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
2787 | return; | |
2788 | ||
2789 | default: | |
2790 | #ifdef PSXCPU_LOG | |
2791 | PSXCPU_LOG("unknown bios exception!\n"); | |
2792 | #endif | |
2793 | break; | |
2794 | } | |
2795 | ||
2796 | pc0 = psxRegs.CP0.n.EPC; | |
2797 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4; | |
2798 | ||
2799 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | | |
2800 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); | |
2801 | } | |
2802 | ||
2803 | #define bfreeze(ptr, size) { \ | |
2804 | if (Mode == 1) memcpy(&psxR[base], ptr, size); \ | |
2805 | if (Mode == 0) memcpy(ptr, &psxR[base], size); \ | |
2806 | base += size; \ | |
2807 | } | |
2808 | ||
2809 | #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) | |
2810 | #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) | |
2811 | ||
2812 | #define bfreezepsxMptr(ptr, type) { \ | |
2813 | if (Mode == 1) { \ | |
2814 | if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ | |
2815 | else psxRu32ref(base) = 0; \ | |
2816 | } else { \ | |
2817 | if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ | |
2818 | else (ptr) = NULL; \ | |
2819 | } \ | |
2820 | base += sizeof(u32); \ | |
2821 | } | |
2822 | ||
2823 | void psxBiosFreeze(int Mode) { | |
2824 | u32 base = 0x40000; | |
2825 | ||
2826 | bfreezepsxMptr(jmp_int, u32); | |
2827 | bfreezepsxMptr(pad_buf, int); | |
2828 | bfreezepsxMptr(pad_buf1, char); | |
2829 | bfreezepsxMptr(pad_buf2, char); | |
2830 | bfreezepsxMptr(heap_addr, u32); | |
2831 | bfreezel(&pad_buf1len); | |
2832 | bfreezel(&pad_buf2len); | |
2833 | bfreezes(regs); | |
2834 | bfreezes(SysIntRP); | |
2835 | bfreezel(&CardState); | |
2836 | bfreezes(Thread); | |
2837 | bfreezel(&CurThread); | |
2838 | bfreezes(FDesc); | |
e9fda093 | 2839 | bfreezel(&card_active_chan); |
ef79bbde | 2840 | } |