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[pcsx_rearmed.git] / libpcsxcore / psxhw.c
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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* Functions for PSX hardware control.
22*/
23
24#include "psxhw.h"
9a0a61d2 25#include "psxevents.h"
ef79bbde
P		 26#include "mdec.h"
27#include "cdrom.h"
ddbaf678 28#include "gpu.h"
ef79bbde 29
1f77c863 30//#undef PSXHW_LOG
31//#define PSXHW_LOG printf
906b1599 32#ifndef PAD_LOG
33#define PAD_LOG(...)
34#endif
1f77c863 35
979b861b 36static u32 (*psxHwReadGpuSRptr)(void) = psxHwReadGpuSR;
37
ef79bbde 38void psxHwReset() {
ef79bbde
P		 39 memset(psxH, 0, 0x10000);
40
41 mdecInit(); // initialize mdec decoder
42 cdrReset();
43 psxRcntInit();
f8896d18 44 HW_GPU_STATUS = SWAP32(0x10802000);
9ed80467 45 psxHwReadGpuSRptr = Config.hacks.gpu_busy
979b861b 46 ? psxHwReadGpuSRbusyHack : psxHwReadGpuSR;
ef79bbde
P		 47}
48
a01b90c3 49void psxHwWriteIstat(u32 value)
50{
6fb444d6 51 u32 stat = psxHu16(0x1070) & value;
a01b90c3 52 psxHu16ref(0x1070) = SWAPu16(stat);
53
54 psxRegs.CP0.n.Cause &= ~0x400;
55 if (stat & psxHu16(0x1074))
56 psxRegs.CP0.n.Cause |= 0x400;
57}
58
59void psxHwWriteImask(u32 value)
60{
61 u32 stat = psxHu16(0x1070);
62 psxHu16ref(0x1074) = SWAPu16(value);
6fb444d6 63 if (stat & value) {
a01b90c3 64 //if ((psxRegs.CP0.n.SR & 0x401) == 0x401)
65 // log_unhandled("irq on unmask @%08x\n", psxRegs.pc);
9a0a61d2 66 set_event(PSXINT_NEWDRC_CHECK, 1);
a01b90c3 67 }
68 psxRegs.CP0.n.Cause &= ~0x400;
69 if (stat & value)
70 psxRegs.CP0.n.Cause |= 0x400;
71}
72
73void psxHwWriteDmaIcr32(u32 value)
74{
75 u32 tmp = value & 0x00ff803f;
76 tmp |= (SWAPu32(HW_DMA_ICR) & ~value) & 0x7f000000;
77 if ((tmp & HW_DMA_ICR_GLOBAL_ENABLE && tmp & 0x7f000000)
78 || tmp & HW_DMA_ICR_BUS_ERROR) {
79 if (!(SWAPu32(HW_DMA_ICR) & HW_DMA_ICR_IRQ_SENT))
80 psxHu32ref(0x1070) |= SWAP32(8);
81 tmp |= HW_DMA_ICR_IRQ_SENT;
82 }
83 HW_DMA_ICR = SWAPu32(tmp);
84}
85
979b861b 86void psxHwWriteGpuSR(u32 value)
87{
c9f729d0 88 u32 old_sr = HW_GPU_STATUS, new_sr;
979b861b 89 GPU_writeStatus(value);
90 gpuSyncPluginSR();
c9f729d0 91 new_sr = HW_GPU_STATUS;
92 // "The Next Tetris" seems to rely on the field order after enable
93 if ((old_sr ^ new_sr) & new_sr & SWAP32(PSXGPU_ILACE))
94 frame_counter |= 1;
979b861b 95}
96
97u32 psxHwReadGpuSR(void)
98{
f8896d18 99 u32 v, c = psxRegs.cycle;
979b861b 100
101 // meh2, syncing for img bit, might want to avoid it..
102 gpuSyncPluginSR();
bf58ac4c 103 v = SWAP32(HW_GPU_STATUS);
f8896d18 104 v |= ((s32)(psxRegs.gpuIdleAfter - c) >> 31) & PSXGPU_nBUSY;
979b861b 105
106 // XXX: because of large timeslices can't use hSyncCount, using rough
107 // approximization instead. Perhaps better use hcounter code here or something.
bf58ac4c 108 if (hSyncCount < 240 && (v & PSXGPU_ILACE_BITS) != PSXGPU_ILACE_BITS)
f8896d18 109 v |= PSXGPU_LCF & (c << 20);
979b861b 110 return v;
111}
112
113// a hack due to poor timing of gpu idle bit
114// to get rid of this, GPU draw times, DMAs, cpu timing has to fall within
115// certain timing window or else games like "ToHeart" softlock
116u32 psxHwReadGpuSRbusyHack(void)
117{
118 u32 v = psxHwReadGpuSR();
119 static u32 hack;
120 if (!(hack++ & 3))
121 v &= ~PSXGPU_nBUSY;
122 return v;
123}
124
ef79bbde
P		 125u8 psxHwRead8(u32 add) {
126 unsigned char hard;
127
943a507a 128 switch (add & 0x1fffffff) {
906b1599 129 case 0x1f801040: hard = sioRead8(); break;
ef79bbde
P		 130 case 0x1f801800: hard = cdrRead0(); break;
131 case 0x1f801801: hard = cdrRead1(); break;
132 case 0x1f801802: hard = cdrRead2(); break;
133 case 0x1f801803: hard = cdrRead3(); break;
906b1599 134
135 case 0x1f801041: case 0x1f801042: case 0x1f801043:
136 case 0x1f801044: case 0x1f801045:
137 case 0x1f801046: case 0x1f801047:
138 case 0x1f801048: case 0x1f801049:
139 case 0x1f80104a: case 0x1f80104b:
140 case 0x1f80104c: case 0x1f80104d:
141 case 0x1f80104e: case 0x1f80104f:
142 case 0x1f801050: case 0x1f801051:
143 case 0x1f801054: case 0x1f801055:
144 case 0x1f801058: case 0x1f801059:
145 case 0x1f80105a: case 0x1f80105b:
146 case 0x1f80105c: case 0x1f80105d:
147 case 0x1f801100: case 0x1f801101:
148 case 0x1f801104: case 0x1f801105:
149 case 0x1f801108: case 0x1f801109:
150 case 0x1f801110: case 0x1f801111:
151 case 0x1f801114: case 0x1f801115:
152 case 0x1f801118: case 0x1f801119:
153 case 0x1f801120: case 0x1f801121:
154 case 0x1f801124: case 0x1f801125:
155 case 0x1f801128: case 0x1f801129:
156 case 0x1f801810: case 0x1f801811:
157 case 0x1f801812: case 0x1f801813:
158 case 0x1f801814: case 0x1f801815:
159 case 0x1f801816: case 0x1f801817:
160 case 0x1f801820: case 0x1f801821:
161 case 0x1f801822: case 0x1f801823:
162 case 0x1f801824: case 0x1f801825:
163 case 0x1f801826: case 0x1f801827:
164 log_unhandled("unhandled r8 %08x @%08x\n", add, psxRegs.pc);
165 // falthrough
ef79bbde 166 default:
63b05f75 167 if (0x1f801c00 <= add && add < 0x1f802000) {
168 u16 val = SPU_readRegister(add & ~1, psxRegs.cycle);
169 hard = (add & 1) ? val >> 8 : val;
170 break;
171 }
ef79bbde
P		 172 hard = psxHu8(add);
173#ifdef PSXHW_LOG
174 PSXHW_LOG("*Unkwnown 8bit read at address %x\n", add);
175#endif
176 return hard;
177 }
178
179#ifdef PSXHW_LOG
180 PSXHW_LOG("*Known 8bit read at address %x value %x\n", add, hard);
181#endif
182 return hard;
183}
184
185u16 psxHwRead16(u32 add) {
186 unsigned short hard;
187
943a507a 188 switch (add & 0x1fffffff) {
ef79bbde
P		 189#ifdef PSXHW_LOG
190 case 0x1f801070: PSXHW_LOG("IREG 16bit read %x\n", psxHu16(0x1070));
191 return psxHu16(0x1070);
ef79bbde
P		 192 case 0x1f801074: PSXHW_LOG("IMASK 16bit read %x\n", psxHu16(0x1074));
193 return psxHu16(0x1074);
194#endif
ef79bbde
P		 195 case 0x1f801040:
196 hard = sioRead8();
197 hard|= sioRead8() << 8;
ef79bbde 198 PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
ef79bbde
P		 199 return hard;
200 case 0x1f801044:
201 hard = sioReadStat16();
ef79bbde 202 PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
ef79bbde
P		 203 return hard;
204 case 0x1f801048:
205 hard = sioReadMode16();
ef79bbde 206 PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
ef79bbde
P		 207 return hard;
208 case 0x1f80104a:
209 hard = sioReadCtrl16();
ef79bbde 210 PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
ef79bbde
P		 211 return hard;
212 case 0x1f80104e:
213 hard = sioReadBaud16();
ef79bbde 214 PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
b59f02a4 215 return hard;
906b1599 216
b59f02a4 217 /* Fixes Armored Core misdetecting the Link cable being detected.
218 * We want to turn that thing off and force it to do local multiplayer instead.
219 * Thanks Sony for the fix, they fixed it in their PS Classic fork.
220 */
221 case 0x1f801054:
222 return 0x80;\r
906b1599 223
ef79bbde 224 case 0x1f801100:
11d23573 225 hard = psxRcntRcount0();
ef79bbde
P		 226#ifdef PSXHW_LOG
227 PSXHW_LOG("T0 count read16: %x\n", hard);
228#endif
229 return hard;
230 case 0x1f801104:
231 hard = psxRcntRmode(0);
232#ifdef PSXHW_LOG
233 PSXHW_LOG("T0 mode read16: %x\n", hard);
234#endif
235 return hard;
236 case 0x1f801108:
237 hard = psxRcntRtarget(0);
238#ifdef PSXHW_LOG
239 PSXHW_LOG("T0 target read16: %x\n", hard);
240#endif
241 return hard;
242 case 0x1f801110:
11d23573 243 hard = psxRcntRcount1();
ef79bbde
P		 244#ifdef PSXHW_LOG
245 PSXHW_LOG("T1 count read16: %x\n", hard);
246#endif
247 return hard;
248 case 0x1f801114:
249 hard = psxRcntRmode(1);
250#ifdef PSXHW_LOG
251 PSXHW_LOG("T1 mode read16: %x\n", hard);
252#endif
253 return hard;
254 case 0x1f801118:
255 hard = psxRcntRtarget(1);
256#ifdef PSXHW_LOG
257 PSXHW_LOG("T1 target read16: %x\n", hard);
258#endif
259 return hard;
260 case 0x1f801120:
11d23573 261 hard = psxRcntRcount2();
ef79bbde
P		 262#ifdef PSXHW_LOG
263 PSXHW_LOG("T2 count read16: %x\n", hard);
264#endif
265 return hard;
266 case 0x1f801124:
267 hard = psxRcntRmode(2);
268#ifdef PSXHW_LOG
269 PSXHW_LOG("T2 mode read16: %x\n", hard);
270#endif
271 return hard;
272 case 0x1f801128:
273 hard = psxRcntRtarget(2);
274#ifdef PSXHW_LOG
275 PSXHW_LOG("T2 target read16: %x\n", hard);
276#endif
277 return hard;
278
279 //case 0x1f802030: hard = //int_2000????
280 //case 0x1f802040: hard =//dip switches...??
281
906b1599 282 case 0x1f801042:
283 case 0x1f801046:
284 case 0x1f80104c:
285 case 0x1f801050:
286 case 0x1f801058:
287 case 0x1f80105a:
288 case 0x1f80105c:
6c9db47c 289 case 0x1f801800:
290 case 0x1f801802:
906b1599 291 case 0x1f801810:
292 case 0x1f801812:
293 case 0x1f801814:
294 case 0x1f801816:
295 case 0x1f801820:
296 case 0x1f801822:
297 case 0x1f801824:
298 case 0x1f801826:
299 log_unhandled("unhandled r16 %08x @%08x\n", add, psxRegs.pc);
6c9db47c 300 // falthrough
ef79bbde 301 default:
906b1599 302 if (0x1f801c00 <= add && add < 0x1f802000)
d358733b 303 return SPU_readRegister(add, psxRegs.cycle);
906b1599 304 hard = psxHu16(add);
ef79bbde 305#ifdef PSXHW_LOG
906b1599 306 PSXHW_LOG("*Unkwnown 16bit read at address %x\n", add);
ef79bbde 307#endif
906b1599 308 return hard;
ef79bbde
P		 309 }
310
311#ifdef PSXHW_LOG
312 PSXHW_LOG("*Known 16bit read at address %x value %x\n", add, hard);
313#endif
314 return hard;
315}
316
317u32 psxHwRead32(u32 add) {
318 u32 hard;
319
943a507a 320 switch (add & 0x1fffffff) {
ef79bbde
P		 321 case 0x1f801040:
322 hard = sioRead8();
323 hard |= sioRead8() << 8;
324 hard |= sioRead8() << 16;
325 hard |= sioRead8() << 24;
ef79bbde 326 PAD_LOG("sio read32 ;ret = %x\n", hard);
906b1599 327 return hard;
328 case 0x1f801044:
329 hard = sioReadStat16();
330 PAD_LOG("sio read32 %x; ret = %x\n", add&0xf, hard);
331 return hard;
ef79bbde
P		 332#ifdef PSXHW_LOG
333 case 0x1f801060:
334 PSXHW_LOG("RAM size read %x\n", psxHu32(0x1060));
335 return psxHu32(0x1060);
ef79bbde
P		 336 case 0x1f801070: PSXHW_LOG("IREG 32bit read %x\n", psxHu32(0x1070));
337 return psxHu32(0x1070);
ef79bbde
P		 338 case 0x1f801074: PSXHW_LOG("IMASK 32bit read %x\n", psxHu32(0x1074));
339 return psxHu32(0x1074);
340#endif
341
342 case 0x1f801810:
343 hard = GPU_readData();
344#ifdef PSXHW_LOG
345 PSXHW_LOG("GPU DATA 32bit read %x\n", hard);
346#endif
347 return hard;
348 case 0x1f801814:
979b861b 349 hard = psxHwReadGpuSRptr();
ef79bbde
P		 350#ifdef PSXHW_LOG
351 PSXHW_LOG("GPU STATUS 32bit read %x\n", hard);
352#endif
353 return hard;
354
355 case 0x1f801820: hard = mdecRead0(); break;
356 case 0x1f801824: hard = mdecRead1(); break;
357
358#ifdef PSXHW_LOG
359 case 0x1f8010a0:
360 PSXHW_LOG("DMA2 MADR 32bit read %x\n", psxHu32(0x10a0));
361 return SWAPu32(HW_DMA2_MADR);
362 case 0x1f8010a4:
363 PSXHW_LOG("DMA2 BCR 32bit read %x\n", psxHu32(0x10a4));
364 return SWAPu32(HW_DMA2_BCR);
365 case 0x1f8010a8:
366 PSXHW_LOG("DMA2 CHCR 32bit read %x\n", psxHu32(0x10a8));
367 return SWAPu32(HW_DMA2_CHCR);
368#endif
369
370#ifdef PSXHW_LOG
371 case 0x1f8010b0:
372 PSXHW_LOG("DMA3 MADR 32bit read %x\n", psxHu32(0x10b0));
373 return SWAPu32(HW_DMA3_MADR);
374 case 0x1f8010b4:
375 PSXHW_LOG("DMA3 BCR 32bit read %x\n", psxHu32(0x10b4));
376 return SWAPu32(HW_DMA3_BCR);
377 case 0x1f8010b8:
378 PSXHW_LOG("DMA3 CHCR 32bit read %x\n", psxHu32(0x10b8));
379 return SWAPu32(HW_DMA3_CHCR);
380#endif
381
382#ifdef PSXHW_LOG
383/* case 0x1f8010f0:
384 PSXHW_LOG("DMA PCR 32bit read %x\n", psxHu32(0x10f0));
385 return SWAPu32(HW_DMA_PCR); // dma rest channel
386 case 0x1f8010f4:
387 PSXHW_LOG("DMA ICR 32bit read %x\n", psxHu32(0x10f4));
388 return SWAPu32(HW_DMA_ICR); // interrupt enabler?*/
389#endif
390
391 // time for rootcounters :)
392 case 0x1f801100:
11d23573 393 hard = psxRcntRcount0();
ef79bbde
P		 394#ifdef PSXHW_LOG
395 PSXHW_LOG("T0 count read32: %x\n", hard);
396#endif
397 return hard;
398 case 0x1f801104:
399 hard = psxRcntRmode(0);
400#ifdef PSXHW_LOG
401 PSXHW_LOG("T0 mode read32: %x\n", hard);
402#endif
403 return hard;
404 case 0x1f801108:
405 hard = psxRcntRtarget(0);
406#ifdef PSXHW_LOG
407 PSXHW_LOG("T0 target read32: %x\n", hard);
408#endif
409 return hard;
410 case 0x1f801110:
11d23573 411 hard = psxRcntRcount1();
ef79bbde
P		 412#ifdef PSXHW_LOG
413 PSXHW_LOG("T1 count read32: %x\n", hard);
414#endif
415 return hard;
416 case 0x1f801114:
417 hard = psxRcntRmode(1);
418#ifdef PSXHW_LOG
419 PSXHW_LOG("T1 mode read32: %x\n", hard);
420#endif
421 return hard;
422 case 0x1f801118:
423 hard = psxRcntRtarget(1);
424#ifdef PSXHW_LOG
425 PSXHW_LOG("T1 target read32: %x\n", hard);
426#endif
427 return hard;
428 case 0x1f801120:
11d23573 429 hard = psxRcntRcount2();
ef79bbde
P		 430#ifdef PSXHW_LOG
431 PSXHW_LOG("T2 count read32: %x\n", hard);
432#endif
433 return hard;
434 case 0x1f801124:
435 hard = psxRcntRmode(2);
436#ifdef PSXHW_LOG
437 PSXHW_LOG("T2 mode read32: %x\n", hard);
438#endif
439 return hard;
440 case 0x1f801128:
441 hard = psxRcntRtarget(2);
442#ifdef PSXHW_LOG
443 PSXHW_LOG("T2 target read32: %x\n", hard);
444#endif
445 return hard;
446
906b1599 447 case 0x1f801048:
448 case 0x1f80104c:
449 case 0x1f801050:
450 case 0x1f801054:
451 case 0x1f801058:
452 case 0x1f80105c:
6c9db47c 453 case 0x1f801800:
906b1599 454 log_unhandled("unhandled r32 %08x @%08x\n", add, psxRegs.pc);
6c9db47c 455 // falthrough
ef79bbde 456 default:
906b1599 457 if (0x1f801c00 <= add && add < 0x1f802000) {
d358733b 458 hard = SPU_readRegister(add, psxRegs.cycle);
459 hard |= SPU_readRegister(add + 2, psxRegs.cycle) << 16;
906b1599 460 return hard;
461 }
462 hard = psxHu32(add);
ef79bbde
P		 463#ifdef PSXHW_LOG
464 PSXHW_LOG("*Unkwnown 32bit read at address %x\n", add);
465#endif
466 return hard;
467 }
468#ifdef PSXHW_LOG
469 PSXHW_LOG("*Known 32bit read at address %x\n", add);
470#endif
471 return hard;
472}
473
474void psxHwWrite8(u32 add, u8 value) {
943a507a 475 switch (add & 0x1fffffff) {
718b363f 476 case 0x1f801040: sioWrite8(value); break;
477 case 0x1f8010f6:
478 // nocash documents it as forced w32, but still games use this?
479 break;
ef79bbde
P		 480 case 0x1f801800: cdrWrite0(value); break;
481 case 0x1f801801: cdrWrite1(value); break;
482 case 0x1f801802: cdrWrite2(value); break;
483 case 0x1f801803: cdrWrite3(value); break;
484
906b1599 485 case 0x1f801810: case 0x1f801811:
486 case 0x1f801812: case 0x1f801813:
487 case 0x1f801814: case 0x1f801815:
488 case 0x1f801816: case 0x1f801817:
489 case 0x1f801820: case 0x1f801821:
490 case 0x1f801822: case 0x1f801823:
491 case 0x1f801824: case 0x1f801825:
492 case 0x1f801826: case 0x1f801827:
493 log_unhandled("unhandled w8 %08x @%08x\n", add, psxRegs.pc);
494 // falthrough
ef79bbde 495 default:
906b1599 496 if (0x1f801c00 <= add && add < 0x1f802000) {
497 log_unhandled("spu w8 %02x @%08x\n", value, psxRegs.pc);
498 if (!(add & 1))
499 SPU_writeRegister(add, value, psxRegs.cycle);
500 return;
501 }
718b363f 502 else if (0x1f801000 <= add && add < 0x1f801800)
503 log_unhandled("unhandled w8 %08x @%08x\n", add, psxRegs.pc);
906b1599 504
ef79bbde
P		 505 psxHu8(add) = value;
506#ifdef PSXHW_LOG
507 PSXHW_LOG("*Unknown 8bit write at address %x value %x\n", add, value);
508#endif
509 return;
510 }
511 psxHu8(add) = value;
512#ifdef PSXHW_LOG
513 PSXHW_LOG("*Known 8bit write at address %x value %x\n", add, value);
514#endif
515}
516
517void psxHwWrite16(u32 add, u16 value) {
943a507a 518 switch (add & 0x1fffffff) {
ef79bbde
P		 519 case 0x1f801040:
520 sioWrite8((unsigned char)value);
521 sioWrite8((unsigned char)(value>>8));
ef79bbde 522 PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
ef79bbde
P		 523 return;
524 case 0x1f801044:
525 sioWriteStat16(value);
ef79bbde 526 PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
ef79bbde
P		 527 return;
528 case 0x1f801048:
906b1599 529 sioWriteMode16(value);
ef79bbde 530 PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
ef79bbde
P		 531 return;
532 case 0x1f80104a: // control register
533 sioWriteCtrl16(value);
ef79bbde 534 PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
ef79bbde
P		 535 return;
536 case 0x1f80104e: // baudrate register
906b1599 537 sioWriteBaud16(value);
ef79bbde 538 PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
ef79bbde 539 return;
ef79bbde
P		 540 case 0x1f801070:
541#ifdef PSXHW_LOG
542 PSXHW_LOG("IREG 16bit write %x\n", value);
543#endif
a01b90c3 544 psxHwWriteIstat(value);
ef79bbde
P		 545 return;
546
547 case 0x1f801074:
548#ifdef PSXHW_LOG
549 PSXHW_LOG("IMASK 16bit write %x\n", value);
550#endif
a01b90c3 551 psxHwWriteImask(value);
ef79bbde
P		 552 return;
553
554 case 0x1f801100:
555#ifdef PSXHW_LOG
556 PSXHW_LOG("COUNTER 0 COUNT 16bit write %x\n", value);
557#endif
558 psxRcntWcount(0, value); return;
559 case 0x1f801104:
560#ifdef PSXHW_LOG
561 PSXHW_LOG("COUNTER 0 MODE 16bit write %x\n", value);
562#endif
563 psxRcntWmode(0, value); return;
564 case 0x1f801108:
565#ifdef PSXHW_LOG
566 PSXHW_LOG("COUNTER 0 TARGET 16bit write %x\n", value);
567#endif
568 psxRcntWtarget(0, value); return;
569
570 case 0x1f801110:
571#ifdef PSXHW_LOG
572 PSXHW_LOG("COUNTER 1 COUNT 16bit write %x\n", value);
573#endif
574 psxRcntWcount(1, value); return;
575 case 0x1f801114:
576#ifdef PSXHW_LOG
577 PSXHW_LOG("COUNTER 1 MODE 16bit write %x\n", value);
578#endif
579 psxRcntWmode(1, value); return;
580 case 0x1f801118:
581#ifdef PSXHW_LOG
582 PSXHW_LOG("COUNTER 1 TARGET 16bit write %x\n", value);
583#endif
584 psxRcntWtarget(1, value); return;
585
586 case 0x1f801120:
587#ifdef PSXHW_LOG
588 PSXHW_LOG("COUNTER 2 COUNT 16bit write %x\n", value);
589#endif
590 psxRcntWcount(2, value); return;
591 case 0x1f801124:
592#ifdef PSXHW_LOG
593 PSXHW_LOG("COUNTER 2 MODE 16bit write %x\n", value);
594#endif
595 psxRcntWmode(2, value); return;
596 case 0x1f801128:
597#ifdef PSXHW_LOG
598 PSXHW_LOG("COUNTER 2 TARGET 16bit write %x\n", value);
599#endif
600 psxRcntWtarget(2, value); return;
601
906b1599 602 case 0x1f801042:
603 case 0x1f801046:
604 case 0x1f80104c:
605 case 0x1f801050:
606 case 0x1f801054:
607 case 0x1f801058:
608 case 0x1f80105a:
609 case 0x1f80105c:
610 case 0x1f801800:
611 case 0x1f801802:
612 case 0x1f801810:
613 case 0x1f801812:
614 case 0x1f801814:
615 case 0x1f801816:
616 case 0x1f801820:
617 case 0x1f801822:
618 case 0x1f801824:
619 case 0x1f801826:
620 log_unhandled("unhandled w16 %08x @%08x\n", add, psxRegs.pc);
621 // falthrough
ef79bbde 622 default:
906b1599 623 if (0x1f801c00 <= add && add < 0x1f802000) {
650adfd2 624 SPU_writeRegister(add, value, psxRegs.cycle);
ef79bbde
P		 625 return;
626 }
627
628 psxHu16ref(add) = SWAPu16(value);
629#ifdef PSXHW_LOG
630 PSXHW_LOG("*Unknown 16bit write at address %x value %x\n", add, value);
631#endif
632 return;
633 }
634 psxHu16ref(add) = SWAPu16(value);
635#ifdef PSXHW_LOG
636 PSXHW_LOG("*Known 16bit write at address %x value %x\n", add, value);
637#endif
638}
639
640#define DmaExec(n) { \
8c84ba5f 641 if (value & SWAPu32(HW_DMA##n##_CHCR) & 0x01000000) \
642 log_unhandled("dma" #n " %08x -> %08x\n", HW_DMA##n##_CHCR, value); \
ef79bbde
P		 643 HW_DMA##n##_CHCR = SWAPu32(value); \
644\
645 if (SWAPu32(HW_DMA##n##_CHCR) & 0x01000000 && SWAPu32(HW_DMA_PCR) & (8 << (n * 4))) { \
646 psxDma##n(SWAPu32(HW_DMA##n##_MADR), SWAPu32(HW_DMA##n##_BCR), SWAPu32(HW_DMA##n##_CHCR)); \
647 } \
648}
649
650void psxHwWrite32(u32 add, u32 value) {
943a507a 651 switch (add & 0x1fffffff) {
ef79bbde
P		 652 case 0x1f801040:
653 sioWrite8((unsigned char)value);
654 sioWrite8((unsigned char)((value&0xff) >> 8));
655 sioWrite8((unsigned char)((value&0xff) >> 16));
656 sioWrite8((unsigned char)((value&0xff) >> 24));
ef79bbde 657 PAD_LOG("sio write32 %x\n", value);
906b1599 658 return;
ef79bbde
P		 659#ifdef PSXHW_LOG
660 case 0x1f801060:
661 PSXHW_LOG("RAM size write %x\n", value);
662 psxHu32ref(add) = SWAPu32(value);
663 return; // Ram size
664#endif
665
666 case 0x1f801070:
667#ifdef PSXHW_LOG
668 PSXHW_LOG("IREG 32bit write %x\n", value);
669#endif
a01b90c3 670 psxHwWriteIstat(value);
ef79bbde
P		 671 return;
672 case 0x1f801074:
673#ifdef PSXHW_LOG
674 PSXHW_LOG("IMASK 32bit write %x\n", value);
675#endif
a01b90c3 676 psxHwWriteImask(value);
ef79bbde
P		 677 return;
678
679#ifdef PSXHW_LOG
680 case 0x1f801080:
681 PSXHW_LOG("DMA0 MADR 32bit write %x\n", value);
682 HW_DMA0_MADR = SWAPu32(value); return; // DMA0 madr
683 case 0x1f801084:
684 PSXHW_LOG("DMA0 BCR 32bit write %x\n", value);
685 HW_DMA0_BCR = SWAPu32(value); return; // DMA0 bcr
686#endif
687 case 0x1f801088:
688#ifdef PSXHW_LOG
689 PSXHW_LOG("DMA0 CHCR 32bit write %x\n", value);
690#endif
691 DmaExec(0); // DMA0 chcr (MDEC in DMA)
692 return;
693
694#ifdef PSXHW_LOG
695 case 0x1f801090:
696 PSXHW_LOG("DMA1 MADR 32bit write %x\n", value);
697 HW_DMA1_MADR = SWAPu32(value); return; // DMA1 madr
698 case 0x1f801094:
699 PSXHW_LOG("DMA1 BCR 32bit write %x\n", value);
700 HW_DMA1_BCR = SWAPu32(value); return; // DMA1 bcr
701#endif
702 case 0x1f801098:
703#ifdef PSXHW_LOG
704 PSXHW_LOG("DMA1 CHCR 32bit write %x\n", value);
705#endif
706 DmaExec(1); // DMA1 chcr (MDEC out DMA)
707 return;
708
709#ifdef PSXHW_LOG
710 case 0x1f8010a0:
711 PSXHW_LOG("DMA2 MADR 32bit write %x\n", value);
712 HW_DMA2_MADR = SWAPu32(value); return; // DMA2 madr
713 case 0x1f8010a4:
714 PSXHW_LOG("DMA2 BCR 32bit write %x\n", value);
715 HW_DMA2_BCR = SWAPu32(value); return; // DMA2 bcr
716#endif
717 case 0x1f8010a8:
718#ifdef PSXHW_LOG
719 PSXHW_LOG("DMA2 CHCR 32bit write %x\n", value);
720#endif
721 DmaExec(2); // DMA2 chcr (GPU DMA)
722 return;
723
724#ifdef PSXHW_LOG
725 case 0x1f8010b0:
726 PSXHW_LOG("DMA3 MADR 32bit write %x\n", value);
727 HW_DMA3_MADR = SWAPu32(value); return; // DMA3 madr
728 case 0x1f8010b4:
729 PSXHW_LOG("DMA3 BCR 32bit write %x\n", value);
730 HW_DMA3_BCR = SWAPu32(value); return; // DMA3 bcr
731#endif
732 case 0x1f8010b8:
733#ifdef PSXHW_LOG
734 PSXHW_LOG("DMA3 CHCR 32bit write %x\n", value);
735#endif
736 DmaExec(3); // DMA3 chcr (CDROM DMA)
737
738 return;
739
740#ifdef PSXHW_LOG
741 case 0x1f8010c0:
742 PSXHW_LOG("DMA4 MADR 32bit write %x\n", value);
743 HW_DMA4_MADR = SWAPu32(value); return; // DMA4 madr
744 case 0x1f8010c4:
745 PSXHW_LOG("DMA4 BCR 32bit write %x\n", value);
746 HW_DMA4_BCR = SWAPu32(value); return; // DMA4 bcr
747#endif
748 case 0x1f8010c8:
749#ifdef PSXHW_LOG
750 PSXHW_LOG("DMA4 CHCR 32bit write %x\n", value);
751#endif
752 DmaExec(4); // DMA4 chcr (SPU DMA)
753 return;
754
755#if 0
756 case 0x1f8010d0: break; //DMA5write_madr();
757 case 0x1f8010d4: break; //DMA5write_bcr();
758 case 0x1f8010d8: break; //DMA5write_chcr(); // Not needed
759#endif
760
761#ifdef PSXHW_LOG
762 case 0x1f8010e0:
763 PSXHW_LOG("DMA6 MADR 32bit write %x\n", value);
764 HW_DMA6_MADR = SWAPu32(value); return; // DMA6 bcr
765 case 0x1f8010e4:
766 PSXHW_LOG("DMA6 BCR 32bit write %x\n", value);
767 HW_DMA6_BCR = SWAPu32(value); return; // DMA6 bcr
768#endif
769 case 0x1f8010e8:
770#ifdef PSXHW_LOG
771 PSXHW_LOG("DMA6 CHCR 32bit write %x\n", value);
772#endif
773 DmaExec(6); // DMA6 chcr (OT clear)
774 return;
775
776#ifdef PSXHW_LOG
777 case 0x1f8010f0:
778 PSXHW_LOG("DMA PCR 32bit write %x\n", value);
779 HW_DMA_PCR = SWAPu32(value);
780 return;
781#endif
782
783 case 0x1f8010f4:
784#ifdef PSXHW_LOG
785 PSXHW_LOG("DMA ICR 32bit write %x\n", value);
786#endif
a01b90c3 787 psxHwWriteDmaIcr32(value);
ef79bbde 788 return;
ef79bbde
P		 789
790 case 0x1f801810:
791#ifdef PSXHW_LOG
792 PSXHW_LOG("GPU DATA 32bit write %x\n", value);
793#endif
794 GPU_writeData(value); return;
795 case 0x1f801814:
796#ifdef PSXHW_LOG
797 PSXHW_LOG("GPU STATUS 32bit write %x\n", value);
798#endif
979b861b 799 psxHwWriteGpuSR(value);
ddbaf678 800 return;
ef79bbde
P		 801
802 case 0x1f801820:
803 mdecWrite0(value); break;
804 case 0x1f801824:
805 mdecWrite1(value); break;
806
807 case 0x1f801100:
808#ifdef PSXHW_LOG
809 PSXHW_LOG("COUNTER 0 COUNT 32bit write %x\n", value);
810#endif
811 psxRcntWcount(0, value & 0xffff); return;
812 case 0x1f801104:
813#ifdef PSXHW_LOG
814 PSXHW_LOG("COUNTER 0 MODE 32bit write %x\n", value);
815#endif
816 psxRcntWmode(0, value); return;
817 case 0x1f801108:
818#ifdef PSXHW_LOG
819 PSXHW_LOG("COUNTER 0 TARGET 32bit write %x\n", value);
820#endif
821 psxRcntWtarget(0, value & 0xffff); return; // HW_DMA_ICR&= SWAP32((~value)&0xff000000);
822
823 case 0x1f801110:
824#ifdef PSXHW_LOG
825 PSXHW_LOG("COUNTER 1 COUNT 32bit write %x\n", value);
826#endif
827 psxRcntWcount(1, value & 0xffff); return;
828 case 0x1f801114:
829#ifdef PSXHW_LOG
830 PSXHW_LOG("COUNTER 1 MODE 32bit write %x\n", value);
831#endif
832 psxRcntWmode(1, value); return;
833 case 0x1f801118:
834#ifdef PSXHW_LOG
835 PSXHW_LOG("COUNTER 1 TARGET 32bit write %x\n", value);
836#endif
837 psxRcntWtarget(1, value & 0xffff); return;
838
839 case 0x1f801120:
840#ifdef PSXHW_LOG
841 PSXHW_LOG("COUNTER 2 COUNT 32bit write %x\n", value);
842#endif
843 psxRcntWcount(2, value & 0xffff); return;
844 case 0x1f801124:
845#ifdef PSXHW_LOG
846 PSXHW_LOG("COUNTER 2 MODE 32bit write %x\n", value);
847#endif
848 psxRcntWmode(2, value); return;
849 case 0x1f801128:
850#ifdef PSXHW_LOG
851 PSXHW_LOG("COUNTER 2 TARGET 32bit write %x\n", value);
852#endif
853 psxRcntWtarget(2, value & 0xffff); return;
854
906b1599 855 case 0x1f801044:
856 case 0x1f801048:
857 case 0x1f80104c:
858 case 0x1f801050:
859 case 0x1f801054:
860 case 0x1f801058:
861 case 0x1f80105c:
862 case 0x1f801800:
863 log_unhandled("unhandled w32 %08x @%08x\n", add, psxRegs.pc);
864 // falthrough
ef79bbde 865 default:
3e31e934 866 // Dukes of Hazard 2 - car engine noise
906b1599 867 if (0x1f801c00 <= add && add < 0x1f802000) {
650adfd2 868 SPU_writeRegister(add, value&0xffff, psxRegs.cycle);
869 SPU_writeRegister(add + 2, value>>16, psxRegs.cycle);
3e31e934 870 return;
871 }
872
ef79bbde
P		 873 psxHu32ref(add) = SWAPu32(value);
874#ifdef PSXHW_LOG
875 PSXHW_LOG("*Unknown 32bit write at address %x value %x\n", add, value);
876#endif
877 return;
878 }
879 psxHu32ref(add) = SWAPu32(value);
880#ifdef PSXHW_LOG
881 PSXHW_LOG("*Known 32bit write at address %x value %x\n", add, value);
882#endif
883}
884
496d88d4 885int psxHwFreeze(void *f, int Mode) {
ef79bbde
P		 886 return 0;
887}
ARM optimized PCSX fork