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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., * | |
22bbabf6 | 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
18 | ***************************************************************************/ |
19 | ||
22bbabf6 | 20 | /* |
ef79bbde P |
21 | * Handles all CD-ROM registers and functions. |
22 | */ | |
23 | ||
24 | #include "cdrom.h" | |
25 | #include "ppf.h" | |
9f8b032d | 26 | #include "psxdma.h" |
8f2bb0cb | 27 | #include "arm_features.h" |
ef79bbde | 28 | |
8b380e97 | 29 | /* logging */ |
30 | #if 0 | |
31 | #define CDR_LOG SysPrintf | |
32 | #else | |
33 | #define CDR_LOG(...) | |
34 | #endif | |
35 | #if 0 | |
36 | #define CDR_LOG_I SysPrintf | |
37 | #else | |
38 | #define CDR_LOG_I(...) | |
39 | #endif | |
40 | #if 0 | |
41 | #define CDR_LOG_IO SysPrintf | |
42 | #else | |
43 | #define CDR_LOG_IO(...) | |
44 | #endif | |
45 | //#define CDR_LOG_CMD_IRQ | |
46 | ||
af93c8be | 47 | static struct { |
48 | unsigned char OCUP; | |
49 | unsigned char Reg1Mode; | |
50 | unsigned char Reg2; | |
51 | unsigned char CmdProcess; | |
52 | unsigned char Ctrl; | |
53 | unsigned char Stat; | |
54 | ||
55 | unsigned char StatP; | |
56 | ||
57 | unsigned char Transfer[DATA_SIZE]; | |
58 | struct { | |
59 | unsigned char Track; | |
60 | unsigned char Index; | |
61 | unsigned char Relative[3]; | |
62 | unsigned char Absolute[3]; | |
63 | } subq; | |
64 | unsigned char TrackChanged; | |
f522e63c | 65 | unsigned char pad1[3]; |
af93c8be | 66 | unsigned int freeze_ver; |
67 | ||
68 | unsigned char Prev[4]; | |
69 | unsigned char Param[8]; | |
70 | unsigned char Result[16]; | |
71 | ||
72 | unsigned char ParamC; | |
73 | unsigned char ParamP; | |
74 | unsigned char ResultC; | |
75 | unsigned char ResultP; | |
76 | unsigned char ResultReady; | |
77 | unsigned char Cmd; | |
78 | unsigned char Readed; | |
79 | unsigned char SetlocPending; | |
80 | u32 Reading; | |
81 | ||
82 | unsigned char ResultTN[6]; | |
83 | unsigned char ResultTD[4]; | |
84 | unsigned char SetSectorPlay[4]; | |
85 | unsigned char SetSectorEnd[4]; | |
86 | unsigned char SetSector[4]; | |
87 | unsigned char Track; | |
88 | boolean Play, Muted; | |
89 | int CurTrack; | |
90 | int Mode, File, Channel; | |
91 | int Reset; | |
92 | int NoErr; | |
93 | int FirstSector; | |
94 | ||
95 | xa_decode_t Xa; | |
96 | ||
97 | int Init; | |
98 | ||
99 | u16 Irq; | |
100 | u8 IrqRepeated; | |
101 | u32 eCycle; | |
102 | ||
f522e63c | 103 | u8 pad2; |
af93c8be | 104 | |
105 | u8 DriveState; | |
106 | u8 FastForward; | |
107 | u8 FastBackward; | |
108 | u8 pad; | |
109 | ||
110 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
111 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
112 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
113 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
114 | } cdr; | |
8e1040b6 | 115 | static unsigned char *pTransfer; |
f4627eb3 | 116 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
117 | |
118 | /* CD-ROM magic numbers */ | |
1f035e27 | 119 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
120 | #define CdlNop 1 |
121 | #define CdlSetloc 2 | |
122 | #define CdlPlay 3 | |
123 | #define CdlForward 4 | |
124 | #define CdlBackward 5 | |
125 | #define CdlReadN 6 | |
126 | #define CdlStandby 7 | |
127 | #define CdlStop 8 | |
128 | #define CdlPause 9 | |
b0bd140d | 129 | #define CdlReset 10 |
ef79bbde P |
130 | #define CdlMute 11 |
131 | #define CdlDemute 12 | |
132 | #define CdlSetfilter 13 | |
133 | #define CdlSetmode 14 | |
dcd72441 | 134 | #define CdlGetparam 15 |
ef79bbde P |
135 | #define CdlGetlocL 16 |
136 | #define CdlGetlocP 17 | |
137 | #define CdlReadT 18 | |
138 | #define CdlGetTN 19 | |
139 | #define CdlGetTD 20 | |
140 | #define CdlSeekL 21 | |
141 | #define CdlSeekP 22 | |
142 | #define CdlSetclock 23 | |
143 | #define CdlGetclock 24 | |
144 | #define CdlTest 25 | |
145 | #define CdlID 26 | |
146 | #define CdlReadS 27 | |
b0bd140d | 147 | #define CdlInit 28 |
e4268a49 | 148 | #define CdlGetQ 29 |
ef79bbde P |
149 | #define CdlReadToc 30 |
150 | ||
af93c8be | 151 | #ifdef CDR_LOG_CMD_IRQ |
152 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
153 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
154 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
b0bd140d | 155 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 156 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
157 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
158 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
159 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 160 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 161 | }; |
af93c8be | 162 | #endif |
ef79bbde P |
163 | |
164 | unsigned char Test04[] = { 0 }; | |
165 | unsigned char Test05[] = { 0 }; | |
166 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
167 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
168 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
169 | ||
9f8b032d | 170 | // cdr.Stat: |
171 | #define NoIntr 0 | |
172 | #define DataReady 1 | |
173 | #define Complete 2 | |
174 | #define Acknowledge 3 | |
175 | #define DataEnd 4 | |
176 | #define DiskError 5 | |
177 | ||
178 | /* Modes flags */ | |
179 | #define MODE_SPEED (1<<7) // 0x80 | |
180 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
181 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
182 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 183 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 184 | #define MODE_SF (1<<3) // 0x08 channel on/off |
185 | #define MODE_REPORT (1<<2) // 0x04 | |
186 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
187 | #define MODE_CDDA (1<<0) // 0x01 | |
188 | ||
189 | /* Status flags */ | |
190 | #define STATUS_PLAY (1<<7) // 0x80 | |
191 | #define STATUS_SEEK (1<<6) // 0x40 | |
192 | #define STATUS_READ (1<<5) // 0x20 | |
193 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
194 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
195 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
196 | #define STATUS_ROTATING (1<<1) // 0x02 | |
197 | #define STATUS_ERROR (1<<0) // 0x01 | |
198 | ||
e4268a49 | 199 | /* Errors */ |
003cfc63 | 200 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 201 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
202 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 203 | |
ef79bbde P |
204 | // 1x = 75 sectors per second |
205 | // PSXCLK = 1 sec in the ps | |
206 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
207 | #define cdReadTime (PSXCLK / 75) | |
208 | ||
80f91a20 | 209 | enum drive_state { |
f522e63c | 210 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 211 | DRIVESTATE_LID_OPEN, |
212 | DRIVESTATE_RESCAN_CD, | |
213 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 214 | DRIVESTATE_STOPPED, |
80f91a20 | 215 | }; |
216 | ||
ef79bbde | 217 | static struct CdrStat stat; |
ef79bbde | 218 | |
fffad32e | 219 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 220 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
221 | } | |
222 | ||
fffad32e | 223 | // for that weird psemu API.. |
224 | static unsigned int fsm2sec(const u8 *msf) { | |
225 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
226 | } | |
227 | ||
305c8c93 | 228 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 229 | msf[0] = s / 75 / 60; |
230 | s = s - msf[0] * 75 * 60; | |
231 | msf[1] = s / 75; | |
232 | s = s - msf[1] * 75; | |
233 | msf[2] = s; | |
234 | } | |
235 | ||
39df67df | 236 | // cdrInterrupt |
ef79bbde | 237 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 238 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
239 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
240 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
241 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 242 | } |
ef79bbde | 243 | |
d9a02493 | 244 | // cdrPlaySeekReadInterrupt |
245 | #define CDRPLAYSEEKREAD_INT(eCycle) { \ | |
d28b54b1 | 246 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
247 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
248 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
249 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 250 | } |
ef79bbde | 251 | |
39df67df | 252 | // cdrLidSeekInterrupt |
9f8b032d | 253 | #define CDRLID_INT(eCycle) { \ |
254 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
255 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
256 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
257 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
258 | } | |
259 | ||
ef79bbde | 260 | #define StopReading() { \ |
f522e63c | 261 | cdr.Reading = 0; \ |
262 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
263 | } |
264 | ||
265 | #define StopCdda() { \ | |
f522e63c | 266 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
267 | cdr.Play = FALSE; \ | |
268 | cdr.FastForward = 0; \ | |
269 | cdr.FastBackward = 0; \ | |
270 | } | |
271 | ||
272 | #define SetPlaySeekRead(x, f) { \ | |
273 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
274 | x |= f; \ | |
ef79bbde P |
275 | } |
276 | ||
277 | #define SetResultSize(size) { \ | |
94c118c3 | 278 | cdr.ResultP = 0; \ |
ef79bbde P |
279 | cdr.ResultC = size; \ |
280 | cdr.ResultReady = 1; \ | |
281 | } | |
282 | ||
af93c8be | 283 | static void setIrq(int log_cmd) |
94c118c3 | 284 | { |
285 | if (cdr.Stat & cdr.Reg2) | |
286 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
af93c8be | 287 | |
288 | #ifdef CDR_LOG_CMD_IRQ | |
289 | { | |
290 | int i; | |
291 | SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ", | |
292 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
293 | for (i = 0; i < cdr.ResultC; i++) | |
294 | SysPrintf("%02x ", cdr.Result[i]); | |
295 | SysPrintf("\n"); | |
296 | } | |
297 | #endif | |
94c118c3 | 298 | } |
9f8b032d | 299 | |
80f91a20 | 300 | // timing used in this function was taken from tests on real hardware |
301 | // (yes it's slow, but you probably don't want to modify it) | |
d9a02493 | 302 | void cdrLidSeekInterrupt(void) |
9f8b032d | 303 | { |
80f91a20 | 304 | switch (cdr.DriveState) { |
305 | default: | |
306 | case DRIVESTATE_STANDBY: | |
f522e63c | 307 | StopCdda(); |
308 | StopReading(); | |
309 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 310 | |
80f91a20 | 311 | if (CDR_getStatus(&stat) == -1) |
312 | return; | |
9f8b032d | 313 | |
80f91a20 | 314 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 315 | { |
80f91a20 | 316 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
317 | CDRLID_INT(0x800); | |
318 | } | |
319 | break; | |
9f8b032d | 320 | |
80f91a20 | 321 | case DRIVESTATE_LID_OPEN: |
322 | if (CDR_getStatus(&stat) == -1) | |
323 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 324 | |
80f91a20 | 325 | // 02, 12, 10 |
326 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 327 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 328 | |
80f91a20 | 329 | // could generate error irq here, but real hardware |
330 | // only sometimes does that | |
331 | // (not done when lots of commands are sent?) | |
9f8b032d | 332 | |
80f91a20 | 333 | CDRLID_INT(cdReadTime * 30); |
334 | break; | |
9f8b032d | 335 | } |
80f91a20 | 336 | else if (cdr.StatP & STATUS_ROTATING) { |
337 | cdr.StatP &= ~STATUS_ROTATING; | |
338 | } | |
339 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
340 | // closed now | |
341 | CheckCdrom(); | |
9f8b032d | 342 | |
80f91a20 | 343 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
344 | // and is only cleared by CdlNop | |
9f8b032d | 345 | |
80f91a20 | 346 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
347 | CDRLID_INT(cdReadTime * 105); | |
348 | break; | |
349 | } | |
9f8b032d | 350 | |
80f91a20 | 351 | // recheck for close |
352 | CDRLID_INT(cdReadTime * 3); | |
353 | break; | |
9f8b032d | 354 | |
80f91a20 | 355 | case DRIVESTATE_RESCAN_CD: |
356 | cdr.StatP |= STATUS_ROTATING; | |
357 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 358 | |
80f91a20 | 359 | // this is very long on real hardware, over 6 seconds |
360 | // make it a bit faster here... | |
361 | CDRLID_INT(cdReadTime * 150); | |
362 | break; | |
9f8b032d | 363 | |
80f91a20 | 364 | case DRIVESTATE_PREPARE_CD: |
365 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 366 | |
80f91a20 | 367 | cdr.DriveState = DRIVESTATE_STANDBY; |
368 | CDRLID_INT(cdReadTime * 26); | |
369 | break; | |
9f8b032d | 370 | } |
371 | } | |
372 | ||
fffad32e | 373 | static void Find_CurTrack(const u8 *time) |
374 | { | |
375 | int current, sect; | |
9f8b032d | 376 | |
fffad32e | 377 | current = msf2sec(time); |
9f8b032d | 378 | |
fffad32e | 379 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
380 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
381 | sect = fsm2sec(cdr.ResultTD); | |
382 | if (sect - current >= 150) | |
9f8b032d | 383 | break; |
9f8b032d | 384 | } |
385 | } | |
386 | ||
73b29eeb | 387 | static void generate_subq(const u8 *time) |
388 | { | |
389 | unsigned char start[3], next[3]; | |
390 | unsigned int this_s, start_s, next_s, pregap; | |
391 | int relative_s; | |
392 | ||
393 | CDR_getTD(cdr.CurTrack, start); | |
394 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
395 | pregap = 150; | |
396 | CDR_getTD(cdr.CurTrack + 1, next); | |
397 | } | |
398 | else { | |
399 | // last track - cd size | |
400 | pregap = 0; | |
401 | next[0] = cdr.SetSectorEnd[2]; | |
402 | next[1] = cdr.SetSectorEnd[1]; | |
403 | next[2] = cdr.SetSectorEnd[0]; | |
404 | } | |
405 | ||
406 | this_s = msf2sec(time); | |
407 | start_s = fsm2sec(start); | |
408 | next_s = fsm2sec(next); | |
409 | ||
410 | cdr.TrackChanged = FALSE; | |
411 | ||
412 | if (next_s - this_s < pregap) { | |
413 | cdr.TrackChanged = TRUE; | |
414 | cdr.CurTrack++; | |
415 | start_s = next_s; | |
416 | } | |
417 | ||
418 | cdr.subq.Index = 1; | |
419 | ||
420 | relative_s = this_s - start_s; | |
421 | if (relative_s < 0) { | |
422 | cdr.subq.Index = 0; | |
423 | relative_s = -relative_s; | |
424 | } | |
425 | sec2msf(relative_s, cdr.subq.Relative); | |
426 | ||
427 | cdr.subq.Track = itob(cdr.CurTrack); | |
428 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
429 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
430 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
431 | cdr.subq.Absolute[0] = itob(time[0]); | |
432 | cdr.subq.Absolute[1] = itob(time[1]); | |
433 | cdr.subq.Absolute[2] = itob(time[2]); | |
434 | } | |
435 | ||
436 | static void ReadTrack(const u8 *time) { | |
fffad32e | 437 | unsigned char tmp[3]; |
438 | struct SubQ *subq; | |
439 | u16 crc; | |
ef79bbde | 440 | |
fffad32e | 441 | tmp[0] = itob(time[0]); |
442 | tmp[1] = itob(time[1]); | |
443 | tmp[2] = itob(time[2]); | |
ef79bbde | 444 | |
fffad32e | 445 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
446 | return; | |
39df67df | 447 | |
fffad32e | 448 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 449 | |
c9c7a925 | 450 | cdr.NoErr = CDR_readTrack(tmp); |
fffad32e | 451 | memcpy(cdr.Prev, tmp, 3); |
9f8b032d | 452 | |
fffad32e | 453 | if (CheckSBI(time)) |
454 | return; | |
9f8b032d | 455 | |
fffad32e | 456 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 457 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 458 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 459 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 460 | cdr.subq.Track = subq->TrackNumber; |
461 | cdr.subq.Index = subq->IndexNumber; | |
462 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
463 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 464 | } |
92ca1ba6 | 465 | else { |
73b29eeb | 466 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 467 | tmp[0], tmp[1], tmp[2]); |
468 | } | |
9f8b032d | 469 | } |
fffad32e | 470 | else { |
73b29eeb | 471 | generate_subq(time); |
9f8b032d | 472 | } |
9f8b032d | 473 | |
fffad32e | 474 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
475 | cdr.subq.Track, cdr.subq.Index, | |
476 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
477 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
478 | } | |
9f8b032d | 479 | |
e4268a49 | 480 | static void AddIrqQueue(unsigned short irq, unsigned long ecycle) { |
481 | if (cdr.Irq != 0) { | |
482 | if (irq == cdr.Irq || irq + 0x100 == cdr.Irq) { | |
483 | cdr.IrqRepeated = 1; | |
484 | CDR_INT(ecycle); | |
485 | return; | |
486 | } | |
487 | ||
fffad32e | 488 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); |
e4268a49 | 489 | } |
9f8b032d | 490 | |
fffad32e | 491 | cdr.Irq = irq; |
492 | cdr.eCycle = ecycle; | |
9f8b032d | 493 | |
fffad32e | 494 | CDR_INT(ecycle); |
ef79bbde P |
495 | } |
496 | ||
7f457614 | 497 | static void cdrPlayInterrupt_Autopause() |
498 | { | |
bf4df3ba | 499 | u32 abs_lev_max = 0; |
500 | boolean abs_lev_chselect; | |
501 | u32 i; | |
f4627eb3 | 502 | |
fffad32e | 503 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 504 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 505 | |
506 | // Magic the Gathering | |
507 | // - looping territory cdda | |
508 | ||
509 | // ...? | |
510 | //cdr.ResultReady = 1; | |
511 | //cdr.Stat = DataReady; | |
512 | cdr.Stat = DataEnd; | |
af93c8be | 513 | setIrq(0x200); |
7f457614 | 514 | |
515 | StopCdda(); | |
f522e63c | 516 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 517 | } |
c9c7a925 | 518 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 519 | cdr.Result[0] = cdr.StatP; |
520 | cdr.Result[1] = cdr.subq.Track; | |
521 | cdr.Result[2] = cdr.subq.Index; | |
bf4df3ba | 522 | |
523 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
524 | ||
525 | /* 8 is a hack. For accuracy, it should be 588. */ | |
526 | for (i = 0; i < 8; i++) | |
527 | { | |
528 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
529 | } | |
530 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
531 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 532 | |
fffad32e | 533 | if (cdr.subq.Absolute[2] & 0x10) { |
534 | cdr.Result[3] = cdr.subq.Relative[0]; | |
535 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
536 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 537 | } |
fffad32e | 538 | else { |
539 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
540 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
541 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
542 | } | |
543 | ||
bf4df3ba | 544 | cdr.Result[6] = abs_lev_max >> 0; |
545 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 546 | |
547 | // Rayman: Logo freeze (resultready + dataready) | |
548 | cdr.ResultReady = 1; | |
549 | cdr.Stat = DataReady; | |
550 | ||
551 | SetResultSize(8); | |
af93c8be | 552 | setIrq(0x201); |
7f457614 | 553 | } |
554 | } | |
555 | ||
f522e63c | 556 | static int cdrSeekTime(unsigned char *target) |
557 | { | |
558 | int seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(target)) * (cdReadTime / 200); | |
559 | /* | |
560 | * Gameblabla : | |
561 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
562 | * and was unreliable for that game. | |
563 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
564 | * | |
565 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
566 | * Games to test this against if you change that setting : | |
567 | * - Driver (titlescreen music delay and retry mission) | |
568 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
569 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
570 | * | |
571 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
572 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
573 | */ | |
574 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
575 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
576 | return seekTime; | |
577 | } | |
578 | ||
d9a02493 | 579 | static void cdrReadInterrupt(void); |
580 | ||
581 | void cdrPlaySeekReadInterrupt(void) | |
7f457614 | 582 | { |
d9a02493 | 583 | if (cdr.Reading) { |
584 | cdrReadInterrupt(); | |
585 | return; | |
586 | } | |
587 | ||
588 | if (!cdr.Play && (cdr.StatP & STATUS_SEEK)) { | |
e7e33ef2 | 589 | if (cdr.Stat) { |
8b380e97 | 590 | CDR_LOG_I("cdrom: seek stat hack\n"); |
d9a02493 | 591 | CDRPLAYSEEKREAD_INT(0x1000); |
e7e33ef2 | 592 | return; |
593 | } | |
39df67df | 594 | SetResultSize(1); |
595 | cdr.StatP |= STATUS_ROTATING; | |
d9a02493 | 596 | SetPlaySeekRead(cdr.StatP, 0); |
39df67df | 597 | cdr.Result[0] = cdr.StatP; |
a34a2445 | 598 | if (cdr.Irq == 0) { |
39df67df | 599 | cdr.Stat = Complete; |
af93c8be | 600 | setIrq(0x202); |
39df67df | 601 | } |
602 | ||
fffad32e | 603 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 604 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 605 | cdr.TrackChanged = FALSE; |
d9a02493 | 606 | return; |
39df67df | 607 | } |
608 | ||
609 | if (!cdr.Play) return; | |
7f457614 | 610 | |
7f457614 | 611 | CDR_LOG( "CDDA - %d:%d:%d\n", |
612 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 613 | |
d9a02493 | 614 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 615 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
616 | StopCdda(); | |
f522e63c | 617 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 618 | cdr.TrackChanged = TRUE; |
619 | } | |
ffd2bcfa | 620 | else { |
621 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
622 | } | |
7f457614 | 623 | |
892bd7d4 | 624 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 625 | cdrPlayInterrupt_Autopause(); |
626 | ||
ffd2bcfa | 627 | if (CDR_readCDDA && !cdr.Muted && !Config.Cdda) { |
ecd502e1 | 628 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
f4627eb3 | 629 | if (SPU_playCDDAchannel) |
ecd502e1 | 630 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW); |
f4627eb3 | 631 | } |
fffad32e | 632 | |
7f457614 | 633 | cdr.SetSectorPlay[2]++; |
634 | if (cdr.SetSectorPlay[2] == 75) { | |
635 | cdr.SetSectorPlay[2] = 0; | |
636 | cdr.SetSectorPlay[1]++; | |
637 | if (cdr.SetSectorPlay[1] == 60) { | |
638 | cdr.SetSectorPlay[1] = 0; | |
639 | cdr.SetSectorPlay[0]++; | |
640 | } | |
641 | } | |
642 | ||
d9a02493 | 643 | CDRPLAYSEEKREAD_INT(cdReadTime); |
fffad32e | 644 | |
645 | // update for CdlGetlocP/autopause | |
73b29eeb | 646 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 647 | } |
648 | ||
d9a02493 | 649 | void cdrInterrupt(void) { |
e4268a49 | 650 | u16 Irq = cdr.Irq; |
651 | int no_busy_error = 0; | |
652 | int start_rotating = 0; | |
653 | int error = 0; | |
654 | int delay; | |
fbf19ce6 | 655 | unsigned int seekTime = 0; |
2da09dae | 656 | u8 set_loc[3]; |
657 | int i; | |
ef79bbde | 658 | |
9f8b032d | 659 | // Reschedule IRQ |
ef79bbde | 660 | if (cdr.Stat) { |
8b380e97 | 661 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 662 | CDR_INT(0x1000); |
ef79bbde P |
663 | return; |
664 | } | |
665 | ||
ef79bbde P |
666 | cdr.Ctrl &= ~0x80; |
667 | ||
e4268a49 | 668 | // default response |
669 | SetResultSize(1); | |
670 | cdr.Result[0] = cdr.StatP; | |
671 | cdr.Stat = Acknowledge; | |
672 | ||
673 | if (cdr.IrqRepeated) { | |
674 | cdr.IrqRepeated = 0; | |
675 | if (cdr.eCycle > psxRegs.cycle) { | |
676 | CDR_INT(cdr.eCycle); | |
677 | goto finish; | |
678 | } | |
679 | } | |
680 | ||
681 | cdr.Irq = 0; | |
682 | ||
ef79bbde | 683 | switch (Irq) { |
ef79bbde | 684 | case CdlNop: |
80f91a20 | 685 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
686 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 687 | no_busy_error = 1; |
ef79bbde P |
688 | break; |
689 | ||
690 | case CdlSetloc: | |
2da09dae | 691 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
692 | ||
693 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
694 | if (((cdr.Param[0] & 0x0F) > 0x09) || (cdr.Param[0] > 0x99) || ((cdr.Param[1] & 0x0F) > 0x09) || (cdr.Param[1] >= 0x60) || ((cdr.Param[2] & 0x0F) > 0x09) || (cdr.Param[2] >= 0x75)) | |
695 | { | |
696 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
697 | error = ERROR_INVALIDARG; | |
698 | goto set_error; | |
699 | } | |
700 | else | |
701 | { | |
702 | for (i = 0; i < 3; i++) | |
2da09dae | 703 | set_loc[i] = btoi(cdr.Param[i]); |
2da09dae | 704 | memcpy(cdr.SetSector, set_loc, 3); |
705 | cdr.SetSector[3] = 0; | |
706 | cdr.SetlocPending = 1; | |
707 | } | |
ef79bbde P |
708 | break; |
709 | ||
55b8460a | 710 | do_CdlPlay: |
ef79bbde | 711 | case CdlPlay: |
030bd76a | 712 | StopCdda(); |
f522e63c | 713 | StopReading(); |
714 | ||
c9c7a925 | 715 | cdr.FastBackward = 0; |
716 | cdr.FastForward = 0; | |
717 | ||
2d5ca6c0 | 718 | // BIOS CD Player |
719 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
720 | ||
f522e63c | 721 | if (cdr.ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 722 | int track = btoi( cdr.Param[0] ); |
723 | ||
724 | if (track <= cdr.ResultTN[1]) | |
725 | cdr.CurTrack = track; | |
726 | ||
727 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
728 | ||
729 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
f522e63c | 730 | for (i = 0; i < 3; i++) |
731 | set_loc[i] = cdr.ResultTD[2 - i]; | |
732 | seekTime = cdrSeekTime(set_loc); | |
733 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 734 | } |
735 | } | |
f522e63c | 736 | else if (cdr.SetlocPending) { |
737 | seekTime = cdrSeekTime(cdr.SetSector); | |
738 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
739 | } | |
740 | else { | |
741 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
742 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
743 | } | |
744 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 745 | |
9f8b032d | 746 | /* |
747 | Rayman: detect track changes | |
748 | - fixes logo freeze | |
749 | ||
750 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
751 | - plays tracks without retry play | |
752 | ||
753 | Wild 9: skip PREGAP + starting accurate SubQ | |
754 | - plays tracks without retry play | |
755 | */ | |
fffad32e | 756 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 757 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 758 | cdr.TrackChanged = FALSE; |
9f8b032d | 759 | |
2d5ca6c0 | 760 | if (!Config.Cdda) |
761 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 762 | |
f522e63c | 763 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 764 | |
765 | // BIOS player - set flag again | |
766 | cdr.Play = TRUE; | |
767 | ||
d9a02493 | 768 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime); |
e4268a49 | 769 | start_rotating = 1; |
ef79bbde P |
770 | break; |
771 | ||
9f8b032d | 772 | case CdlForward: |
e4268a49 | 773 | // TODO: error 80 if stopped |
9f8b032d | 774 | cdr.Stat = Complete; |
775 | ||
9f8b032d | 776 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 777 | cdr.FastForward = 1; |
9f8b032d | 778 | cdr.FastBackward = 0; |
ef79bbde P |
779 | break; |
780 | ||
9f8b032d | 781 | case CdlBackward: |
9f8b032d | 782 | cdr.Stat = Complete; |
783 | ||
9f8b032d | 784 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 785 | cdr.FastBackward = 1; |
9f8b032d | 786 | cdr.FastForward = 0; |
ef79bbde P |
787 | break; |
788 | ||
9f8b032d | 789 | case CdlStandby: |
e4268a49 | 790 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
791 | error = ERROR_INVALIDARG; | |
792 | goto set_error; | |
793 | } | |
794 | AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2); | |
795 | start_rotating = 1; | |
796 | break; | |
797 | ||
798 | case CdlStandby + 0x100: | |
ef79bbde P |
799 | cdr.Stat = Complete; |
800 | break; | |
801 | ||
802 | case CdlStop: | |
030bd76a | 803 | if (cdr.Play) { |
804 | // grab time for current track | |
805 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
806 | ||
807 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
808 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
809 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
810 | } | |
811 | ||
812 | StopCdda(); | |
813 | StopReading(); | |
f522e63c | 814 | SetPlaySeekRead(cdr.StatP, 0); |
815 | cdr.StatP &= ~STATUS_ROTATING; | |
030bd76a | 816 | |
e4268a49 | 817 | delay = 0x800; |
818 | if (cdr.DriveState == DRIVESTATE_STANDBY) | |
819 | delay = cdReadTime * 30 / 2; | |
820 | ||
821 | cdr.DriveState = DRIVESTATE_STOPPED; | |
822 | AddIrqQueue(CdlStop + 0x100, delay); | |
823 | break; | |
824 | ||
825 | case CdlStop + 0x100: | |
ef79bbde | 826 | cdr.Stat = Complete; |
ef79bbde P |
827 | break; |
828 | ||
829 | case CdlPause: | |
f522e63c | 830 | StopCdda(); |
831 | StopReading(); | |
12228917 | 832 | /* |
833 | Gundam Battle Assault 2: much slower (*) | |
834 | - Fixes boot, gameplay | |
835 | ||
836 | Hokuto no Ken 2: slower | |
837 | - Fixes intro + subtitles | |
838 | ||
839 | InuYasha - Feudal Fairy Tale: slower | |
840 | - Fixes battles | |
841 | */ | |
4e70ea5a | 842 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
843 | * The timings from Duckstation are based upon hardware tests. | |
844 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
845 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
846 | * */ | |
f522e63c | 847 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
e3d555e0 | 848 | { |
4e70ea5a | 849 | delay = 7000; |
e3d555e0 | 850 | } |
851 | else | |
852 | { | |
4e70ea5a | 853 | delay = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * (1000000)); |
e3d555e0 | 854 | } |
855 | AddIrqQueue(CdlPause + 0x100, delay); | |
f522e63c | 856 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
857 | cdr.Ctrl |= 0x80; |
858 | break; | |
859 | ||
e4268a49 | 860 | case CdlPause + 0x100: |
9f8b032d | 861 | cdr.Stat = Complete; |
ef79bbde P |
862 | break; |
863 | ||
b0bd140d | 864 | case CdlReset: |
f522e63c | 865 | StopCdda(); |
866 | StopReading(); | |
867 | SetPlaySeekRead(cdr.StatP, 0); | |
b0bd140d | 868 | cdr.Muted = FALSE; |
869 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ | |
870 | AddIrqQueue(CdlReset + 0x100, 4100000); | |
e4268a49 | 871 | no_busy_error = 1; |
872 | start_rotating = 1; | |
873 | break; | |
874 | ||
b0bd140d | 875 | case CdlReset + 0x100: |
9f8b032d | 876 | cdr.Stat = Complete; |
ef79bbde P |
877 | break; |
878 | ||
9f8b032d | 879 | case CdlMute: |
030bd76a | 880 | cdr.Muted = TRUE; |
ef79bbde P |
881 | break; |
882 | ||
9f8b032d | 883 | case CdlDemute: |
030bd76a | 884 | cdr.Muted = FALSE; |
ef79bbde P |
885 | break; |
886 | ||
9f8b032d | 887 | case CdlSetfilter: |
030bd76a | 888 | cdr.File = cdr.Param[0]; |
889 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 890 | break; |
ef79bbde P |
891 | |
892 | case CdlSetmode: | |
e4268a49 | 893 | no_busy_error = 1; |
9f8b032d | 894 | break; |
ef79bbde | 895 | |
dcd72441 | 896 | case CdlGetparam: |
897 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ | |
898 | SetResultSize(5); | |
9f8b032d | 899 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 900 | cdr.Result[2] = 0; |
901 | cdr.Result[3] = cdr.File; | |
902 | cdr.Result[4] = cdr.Channel; | |
e4268a49 | 903 | no_busy_error = 1; |
9f8b032d | 904 | break; |
ef79bbde | 905 | |
9f8b032d | 906 | case CdlGetlocL: |
ef79bbde | 907 | SetResultSize(8); |
e4268a49 | 908 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 909 | break; |
ef79bbde P |
910 | |
911 | case CdlGetlocP: | |
fffad32e | 912 | SetResultSize(8); |
913 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 914 | break; |
892bd7d4 | 915 | |
e4268a49 | 916 | case CdlReadT: // SetSession? |
917 | // really long | |
918 | AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4); | |
919 | start_rotating = 1; | |
920 | break; | |
921 | ||
922 | case CdlReadT + 0x100: | |
923 | cdr.Stat = Complete; | |
ef79bbde P |
924 | break; |
925 | ||
9f8b032d | 926 | case CdlGetTN: |
ef79bbde | 927 | SetResultSize(3); |
9f8b032d | 928 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 929 | cdr.Stat = DiskError; |
9f8b032d | 930 | cdr.Result[0] |= STATUS_ERROR; |
931 | } else { | |
932 | cdr.Stat = Acknowledge; | |
933 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
934 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
935 | } | |
936 | break; | |
ef79bbde | 937 | |
9f8b032d | 938 | case CdlGetTD: |
ef79bbde P |
939 | cdr.Track = btoi(cdr.Param[0]); |
940 | SetResultSize(4); | |
ef79bbde P |
941 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
942 | cdr.Stat = DiskError; | |
9f8b032d | 943 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
944 | } else { |
945 | cdr.Stat = Acknowledge; | |
946 | cdr.Result[0] = cdr.StatP; | |
947 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
948 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
cfeb7cab | 949 | /* According to Nocash's documentation, the function doesn't care about ff. |
950 | * This can be seen also in Mednafen's implementation. */ | |
951 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
952 | } |
953 | break; | |
954 | ||
9f8b032d | 955 | case CdlSeekL: |
39df67df | 956 | case CdlSeekP: |
030bd76a | 957 | StopCdda(); |
958 | StopReading(); | |
f522e63c | 959 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
9f8b032d | 960 | |
f522e63c | 961 | seekTime = cdrSeekTime(cdr.SetSector); |
962 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 963 | /* |
964 | Crusaders of Might and Magic = 0.5x-4x | |
965 | - fix cutscene speech start | |
966 | ||
967 | Eggs of Steel = 2x-? | |
968 | - fix new game | |
969 | ||
970 | Medievil = ?-4x | |
971 | - fix cutscene speech | |
972 | ||
973 | Rockman X5 = 0.5-4x | |
974 | - fix capcom logo | |
975 | */ | |
d9a02493 | 976 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime); |
e4268a49 | 977 | start_rotating = 1; |
ef79bbde P |
978 | break; |
979 | ||
980 | case CdlTest: | |
9f8b032d | 981 | switch (cdr.Param[0]) { |
982 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
983 | SetResultSize(4); |
984 | memcpy(cdr.Result, Test20, 4); | |
985 | break; | |
986 | case 0x22: | |
987 | SetResultSize(8); | |
988 | memcpy(cdr.Result, Test22, 4); | |
989 | break; | |
990 | case 0x23: case 0x24: | |
991 | SetResultSize(8); | |
992 | memcpy(cdr.Result, Test23, 4); | |
993 | break; | |
9f8b032d | 994 | } |
e4268a49 | 995 | no_busy_error = 1; |
ef79bbde P |
996 | break; |
997 | ||
9f8b032d | 998 | case CdlID: |
e4268a49 | 999 | AddIrqQueue(CdlID + 0x100, 20480); |
ef79bbde P |
1000 | break; |
1001 | ||
e4268a49 | 1002 | case CdlID + 0x100: |
ef79bbde | 1003 | SetResultSize(8); |
89ec56af | 1004 | cdr.Result[0] = cdr.StatP; |
1005 | cdr.Result[1] = 0; | |
1006 | cdr.Result[2] = 0; | |
1007 | cdr.Result[3] = 0; | |
9f8b032d | 1008 | |
d8432250 | 1009 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1010 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1011 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1012 | } |
1013 | else { | |
89ec56af | 1014 | if (stat.Type == 2) |
1015 | cdr.Result[1] |= 0x10; | |
1016 | if (CdromId[0] == '\0') | |
9f8b032d | 1017 | cdr.Result[1] |= 0x80; |
9f8b032d | 1018 | } |
89ec56af | 1019 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1020 | |
d0ea0d8a | 1021 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1022 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1023 | cdr.Stat = Complete; |
1024 | break; | |
1025 | ||
b0bd140d | 1026 | case CdlInit: |
f522e63c | 1027 | StopCdda(); |
1028 | StopReading(); | |
1029 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1030 | // yes, it really sets STATUS_SHELLOPEN |
1031 | cdr.StatP |= STATUS_SHELLOPEN; | |
1032 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1033 | CDRLID_INT(20480); | |
1034 | no_busy_error = 1; | |
1035 | start_rotating = 1; | |
9f8b032d | 1036 | break; |
1037 | ||
e4268a49 | 1038 | case CdlGetQ: |
6360a61b | 1039 | no_busy_error = 1; |
9f8b032d | 1040 | break; |
1041 | ||
1042 | case CdlReadToc: | |
e4268a49 | 1043 | AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4); |
1044 | no_busy_error = 1; | |
1045 | start_rotating = 1; | |
ef79bbde P |
1046 | break; |
1047 | ||
e4268a49 | 1048 | case CdlReadToc + 0x100: |
9f8b032d | 1049 | cdr.Stat = Complete; |
e4268a49 | 1050 | no_busy_error = 1; |
ef79bbde P |
1051 | break; |
1052 | ||
94c118c3 | 1053 | case CdlReadN: |
1054 | case CdlReadS: | |
f522e63c | 1055 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1056 | |
1057 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1058 | // Read* acts as play for cdda tracks in cdda mode | |
1059 | goto do_CdlPlay; | |
1060 | ||
f522e63c | 1061 | StopCdda(); |
1062 | if (cdr.SetlocPending) { | |
1063 | seekTime = cdrSeekTime(cdr.SetSector); | |
1064 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1065 | cdr.SetlocPending = 0; | |
1066 | } | |
030bd76a | 1067 | cdr.Reading = 1; |
1068 | cdr.FirstSector = 1; | |
ef79bbde | 1069 | |
9f8b032d | 1070 | // Fighting Force 2 - update subq time immediately |
1071 | // - fixes new game | |
55b8460a | 1072 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 1073 | |
9f8b032d | 1074 | /* |
1075 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
1076 | - fixes cutscenes | |
914722b2 | 1077 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 1078 | */ |
c9c7a925 | 1079 | |
1080 | /* | |
1081 | By nicolasnoble from PCSX Redux : | |
1082 | "It LOOKS like this logic is wrong, therefore disabling it with `&& false` for now. | |
1083 | For "PoPoLoCrois Monogatari II", the game logic will soft lock and will never issue GetLocP to detect | |
1084 | the end of its XA streams, as it seems to assume ReadS will not return a status byte with the SEEK | |
1085 | flag set. I think the reasonning is that since it's invalid to call GetLocP while seeking, the game | |
1086 | tries to protect itself against errors by preventing from issuing a GetLocP while it knows the | |
1087 | last status was "seek". But this makes the logic just softlock as it'll never get a notification | |
1088 | about the fact the drive is done seeking and the read actually started. | |
1089 | ||
1090 | In other words, this state machine here is probably wrong in assuming the response to ReadS/ReadN is | |
1091 | done right away. It's rather when it's done seeking, and the read has actually started. This probably | |
1092 | requires a bit more work to make sure seek delays are processed properly. | |
1093 | Checked with a few games, this seems to work fine." | |
1094 | ||
1095 | Gameblabla additional notes : | |
1096 | This still needs the "+ seekTime" that PCSX Redux doesn't have for the Driver "retry" mission error. | |
1097 | */ | |
d9a02493 | 1098 | CDRPLAYSEEKREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime); |
ef79bbde | 1099 | |
f522e63c | 1100 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1101 | start_rotating = 1; |
ef79bbde | 1102 | break; |
1f035e27 | 1103 | case CdlSync: |
ef79bbde | 1104 | default: |
e4268a49 | 1105 | CDR_LOG_I("Invalid command: %02x\n", Irq); |
1106 | error = ERROR_INVALIDCMD; | |
1107 | // FALLTHROUGH | |
1108 | ||
1109 | set_error: | |
1110 | SetResultSize(2); | |
1111 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
1112 | cdr.Result[1] = error; | |
1113 | cdr.Stat = DiskError; | |
ef79bbde P |
1114 | break; |
1115 | } | |
1116 | ||
e4268a49 | 1117 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1118 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1119 | cdr.StatP |= STATUS_ROTATING; | |
1120 | } | |
1121 | ||
1122 | if (!no_busy_error) { | |
80f91a20 | 1123 | switch (cdr.DriveState) { |
1124 | case DRIVESTATE_LID_OPEN: | |
1125 | case DRIVESTATE_RESCAN_CD: | |
1126 | case DRIVESTATE_PREPARE_CD: | |
1127 | SetResultSize(2); | |
1128 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1129 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1130 | cdr.Stat = DiskError; |
1131 | break; | |
1132 | } | |
1133 | } | |
9f8b032d | 1134 | |
e4268a49 | 1135 | finish: |
af93c8be | 1136 | setIrq(Irq); |
e4268a49 | 1137 | cdr.ParamC = 0; |
ef79bbde P |
1138 | } |
1139 | ||
8f2bb0cb | 1140 | #ifdef HAVE_ARMV7 |
53598a71 | 1141 | #define ssat32_to_16(v) \ |
1142 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1143 | #else | |
1144 | #define ssat32_to_16(v) do { \ | |
1145 | if (v < -32768) v = -32768; \ | |
1146 | else if (v > 32767) v = 32767; \ | |
1147 | } while (0) | |
1148 | #endif | |
1149 | ||
1150 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1151 | { | |
1152 | int i, l, r; | |
1153 | int ll = cdr.AttenuatorLeftToLeft; | |
1154 | int lr = cdr.AttenuatorLeftToRight; | |
1155 | int rl = cdr.AttenuatorRightToLeft; | |
1156 | int rr = cdr.AttenuatorRightToRight; | |
1157 | ||
1158 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1159 | return; | |
1160 | ||
1161 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1162 | return; | |
1163 | ||
1164 | if (stereo) { | |
1165 | for (i = 0; i < samples; i++) { | |
1166 | l = buf[i * 2]; | |
1167 | r = buf[i * 2 + 1]; | |
1168 | l = (l * ll + r * rl) >> 7; | |
1169 | r = (r * rr + l * lr) >> 7; | |
1170 | ssat32_to_16(l); | |
1171 | ssat32_to_16(r); | |
1172 | buf[i * 2] = l; | |
1173 | buf[i * 2 + 1] = r; | |
1174 | } | |
1175 | } | |
1176 | else { | |
1177 | for (i = 0; i < samples; i++) { | |
1178 | l = buf[i]; | |
1179 | l = l * (ll + rl) >> 7; | |
1180 | //r = r * (rr + lr) >> 7; | |
1181 | ssat32_to_16(l); | |
1182 | //ssat32_to_16(r); | |
1183 | buf[i] = l; | |
1184 | } | |
1185 | } | |
1186 | } | |
1187 | ||
d9a02493 | 1188 | static void cdrReadInterrupt(void) |
1189 | { | |
ef79bbde P |
1190 | u8 *buf; |
1191 | ||
9f8b032d | 1192 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1193 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
d9a02493 | 1194 | CDRPLAYSEEKREAD_INT(2048); |
ef79bbde P |
1195 | return; |
1196 | } | |
1197 | ||
9f8b032d | 1198 | cdr.OCUP = 1; |
ef79bbde | 1199 | SetResultSize(1); |
f522e63c | 1200 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
9f8b032d | 1201 | cdr.Result[0] = cdr.StatP; |
ef79bbde | 1202 | |
55b8460a | 1203 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1204 | |
1205 | buf = CDR_getBuffer(); | |
1206 | if (buf == NULL) | |
c9c7a925 | 1207 | cdr.NoErr = 0; |
ef79bbde | 1208 | |
c9c7a925 | 1209 | if (!cdr.NoErr) { |
8b380e97 | 1210 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1211 | memset(cdr.Transfer, 0, DATA_SIZE); |
1212 | cdr.Stat = DiskError; | |
9f8b032d | 1213 | cdr.Result[0] |= STATUS_ERROR; |
d9a02493 | 1214 | setIrq(0x205); |
ef79bbde P |
1215 | return; |
1216 | } | |
1217 | ||
1218 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1219 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1220 | ||
ef79bbde | 1221 | |
8b380e97 | 1222 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1223 | |
9f8b032d | 1224 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1225 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1226 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1227 | cdr.File = cdr.Transfer[4 + 0]; | |
1228 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1229 | } | |
1230 | ||
e73e384c | 1231 | /* Gameblabla |
1232 | * Skips playing on channel 255. | |
1233 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1234 | * TODO : Check if this is the proper behaviour. | |
1235 | * */ | |
cd0c9f5b | 1236 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1237 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
e73e384c | 1238 | (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) { |
ef79bbde | 1239 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1240 | if (!ret) { |
53598a71 | 1241 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1242 | SPU_playADPCMchannel(&cdr.Xa); |
1243 | cdr.FirstSector = 0; | |
1244 | } | |
1245 | else cdr.FirstSector = -1; | |
1246 | } | |
1247 | } | |
1248 | ||
55b8460a | 1249 | cdr.SetSectorPlay[2]++; |
1250 | if (cdr.SetSectorPlay[2] == 75) { | |
1251 | cdr.SetSectorPlay[2] = 0; | |
1252 | cdr.SetSectorPlay[1]++; | |
1253 | if (cdr.SetSectorPlay[1] == 60) { | |
1254 | cdr.SetSectorPlay[1] = 0; | |
1255 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1256 | } |
1257 | } | |
1258 | ||
1259 | cdr.Readed = 0; | |
1260 | ||
d9a02493 | 1261 | CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1262 | |
1263 | /* | |
1264 | Croc 2: $40 - only FORM1 (*) | |
1265 | Judge Dredd: $C8 - only FORM1 (*) | |
1266 | Sim Theme Park - no adpcm at all (zero) | |
1267 | */ | |
1268 | ||
a34a2445 | 1269 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1270 | cdr.Stat = DataReady; |
af93c8be | 1271 | setIrq(0x203); |
ef79bbde | 1272 | } |
9f8b032d | 1273 | |
fffad32e | 1274 | // update for CdlGetlocP |
55b8460a | 1275 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1276 | } |
1277 | ||
1278 | /* | |
1279 | cdrRead0: | |
94c118c3 | 1280 | bit 0,1 - mode |
ef79bbde P |
1281 | bit 2 - unknown |
1282 | bit 3 - unknown | |
1283 | bit 4 - unknown | |
1284 | bit 5 - 1 result ready | |
1285 | bit 6 - 1 dma ready | |
1286 | bit 7 - 1 command being processed | |
1287 | */ | |
1288 | ||
1289 | unsigned char cdrRead0(void) { | |
1290 | if (cdr.ResultReady) | |
1291 | cdr.Ctrl |= 0x20; | |
1292 | else | |
1293 | cdr.Ctrl &= ~0x20; | |
1294 | ||
1295 | if (cdr.OCUP) | |
1296 | cdr.Ctrl |= 0x40; | |
dda25fa4 | 1297 | // else |
1298 | // cdr.Ctrl &= ~0x40; | |
ef79bbde P |
1299 | |
1300 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1301 | cdr.Ctrl |= 0x18; | |
1302 | ||
af93c8be | 1303 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1304 | |
1305 | return psxHu8(0x1800) = cdr.Ctrl; | |
1306 | } | |
1307 | ||
ef79bbde | 1308 | void cdrWrite0(unsigned char rt) { |
af93c8be | 1309 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1310 | |
50b13be9 | 1311 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1312 | } |
1313 | ||
1314 | unsigned char cdrRead1(void) { | |
94c118c3 | 1315 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1316 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1317 | else |
ef79bbde | 1318 | psxHu8(0x1801) = 0; |
94c118c3 | 1319 | cdr.ResultP++; |
1320 | if (cdr.ResultP == cdr.ResultC) | |
1321 | cdr.ResultReady = 0; | |
1322 | ||
af93c8be | 1323 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1324 | |
ef79bbde P |
1325 | return psxHu8(0x1801); |
1326 | } | |
1327 | ||
1328 | void cdrWrite1(unsigned char rt) { | |
af93c8be | 1329 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1330 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1331 | |
94c118c3 | 1332 | switch (cdr.Ctrl & 3) { |
1333 | case 0: | |
1334 | break; | |
1335 | case 3: | |
53598a71 | 1336 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1337 | return; |
1338 | default: | |
1339 | return; | |
9f8b032d | 1340 | } |
1341 | ||
9f8b032d | 1342 | cdr.Cmd = rt; |
ef79bbde P |
1343 | cdr.OCUP = 0; |
1344 | ||
8b380e97 | 1345 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1346 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1347 | if (cdr.ParamC) { |
af93c8be | 1348 | int i; |
ef79bbde P |
1349 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1350 | for (i = 0; i < cdr.ParamC; i++) | |
1351 | SysPrintf(" %x,", cdr.Param[i]); | |
1352 | SysPrintf("}\n"); | |
1353 | } else { | |
1354 | SysPrintf("\n"); | |
1355 | } | |
1356 | #endif | |
1357 | ||
2daaaae3 | 1358 | cdr.ResultReady = 0; |
94c118c3 | 1359 | cdr.Ctrl |= 0x80; |
1360 | // cdr.Stat = NoIntr; | |
1361 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1362 | |
9f8b032d | 1363 | switch (cdr.Cmd) { |
ef79bbde | 1364 | case CdlSetmode: |
9f8b032d | 1365 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1366 | |
ef79bbde | 1367 | cdr.Mode = cdr.Param[0]; |
ef79bbde | 1368 | break; |
9f8b032d | 1369 | } |
ef79bbde P |
1370 | } |
1371 | ||
1372 | unsigned char cdrRead2(void) { | |
1373 | unsigned char ret; | |
1374 | ||
1375 | if (cdr.Readed == 0) { | |
1376 | ret = 0; | |
1377 | } else { | |
8e1040b6 | 1378 | ret = *pTransfer++; |
ef79bbde P |
1379 | } |
1380 | ||
af93c8be | 1381 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1382 | return ret; |
1383 | } | |
1384 | ||
1385 | void cdrWrite2(unsigned char rt) { | |
af93c8be | 1386 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1387 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1388 | |
94c118c3 | 1389 | switch (cdr.Ctrl & 3) { |
1390 | case 0: | |
1391 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1392 | cdr.Param[cdr.ParamC++] = rt; | |
1393 | return; | |
1394 | case 1: | |
1395 | cdr.Reg2 = rt; | |
af93c8be | 1396 | setIrq(0x204); |
94c118c3 | 1397 | return; |
1398 | case 2: | |
53598a71 | 1399 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1400 | return; |
1401 | case 3: | |
53598a71 | 1402 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1403 | return; |
ef79bbde P |
1404 | } |
1405 | } | |
1406 | ||
1407 | unsigned char cdrRead3(void) { | |
94c118c3 | 1408 | if (cdr.Ctrl & 0x1) |
1409 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1410 | else | |
1411 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1412 | |
af93c8be | 1413 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1414 | return psxHu8(0x1803); |
1415 | } | |
1416 | ||
1417 | void cdrWrite3(unsigned char rt) { | |
af93c8be | 1418 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1419 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1420 | |
94c118c3 | 1421 | switch (cdr.Ctrl & 3) { |
1422 | case 0: | |
a34a2445 | 1423 | break; // transfer |
94c118c3 | 1424 | case 1: |
a34a2445 | 1425 | cdr.Stat &= ~rt; |
1426 | ||
1427 | if (rt & 0x40) | |
1428 | cdr.ParamC = 0; | |
1429 | return; | |
94c118c3 | 1430 | case 2: |
53598a71 | 1431 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1432 | return; |
1433 | case 3: | |
53598a71 | 1434 | if (rt & 0x20) { |
1435 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1436 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1437 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1438 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1439 | } | |
94c118c3 | 1440 | return; |
9f8b032d | 1441 | } |
056d6759 | 1442 | |
94c118c3 | 1443 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1444 | cdr.Readed = 1; |
8e1040b6 | 1445 | pTransfer = cdr.Transfer; |
ef79bbde P |
1446 | |
1447 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1448 | case MODE_SIZE_2328: |
ef79bbde | 1449 | case 0x00: |
8e1040b6 | 1450 | pTransfer += 12; |
ef79bbde | 1451 | break; |
9f8b032d | 1452 | |
1453 | case MODE_SIZE_2340: | |
8e1040b6 | 1454 | pTransfer += 0; |
9f8b032d | 1455 | break; |
1456 | ||
ef79bbde P |
1457 | default: |
1458 | break; | |
1459 | } | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1464 | u32 cdsize; | |
c7071c43 | 1465 | int size; |
ef79bbde P |
1466 | u8 *ptr; |
1467 | ||
ef79bbde | 1468 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1469 | |
1470 | switch (chcr) { | |
1471 | case 0x11000000: | |
1472 | case 0x11400100: | |
1473 | if (cdr.Readed == 0) { | |
ef79bbde | 1474 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1475 | break; |
1476 | } | |
1477 | ||
1478 | cdsize = (bcr & 0xffff) * 4; | |
1479 | ||
9f8b032d | 1480 | // Ape Escape: bcr = 0001 / 0000 |
1481 | // - fix boot | |
1482 | if( cdsize == 0 ) | |
1483 | { | |
cd0c9f5b | 1484 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1485 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1486 | case MODE_SIZE_2328: cdsize = 2328; break; |
1487 | default: | |
1488 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1489 | } |
1490 | } | |
1491 | ||
1492 | ||
ef79bbde P |
1493 | ptr = (u8 *)PSXM(madr); |
1494 | if (ptr == NULL) { | |
ef79bbde | 1495 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1496 | break; |
1497 | } | |
9f8b032d | 1498 | |
1499 | /* | |
1500 | GS CDX: Enhancement CD crash | |
1501 | - Setloc 0:0:0 | |
1502 | - CdlPlay | |
1503 | - Spams DMA3 and gets buffer overrun | |
1504 | */ | |
8e1040b6 | 1505 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1506 | if (size > cdsize) |
1507 | size = cdsize; | |
1508 | if (size > 0) | |
9f8b032d | 1509 | { |
8e1040b6 | 1510 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1511 | } |
1512 | ||
ef79bbde | 1513 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1514 | pTransfer += cdsize; |
9f8b032d | 1515 | |
9f8b032d | 1516 | if( chcr == 0x11400100 ) { |
58ebb94c | 1517 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
9f8b032d | 1518 | CDRDMA_INT( (cdsize/4) / 4 ); |
1519 | } | |
1520 | else if( chcr == 0x11000000 ) { | |
fc4803bd | 1521 | // CDRDMA_INT( (cdsize/4) * 1 ); |
1522 | // halted | |
1523 | psxRegs.cycle += (cdsize/4) * 24/2; | |
1524 | CDRDMA_INT(16); | |
9f8b032d | 1525 | } |
1526 | return; | |
1527 | ||
ef79bbde | 1528 | default: |
ef79bbde | 1529 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1530 | break; |
1531 | } | |
1532 | ||
1533 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1534 | DMA_INTERRUPT(3); | |
1535 | } | |
1536 | ||
d9a02493 | 1537 | void cdrDmaInterrupt(void) |
9f8b032d | 1538 | { |
ad418c19 | 1539 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1540 | { | |
1541 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1542 | DMA_INTERRUPT(3); | |
1543 | } | |
9f8b032d | 1544 | } |
1545 | ||
fffad32e | 1546 | static void getCdInfo(void) |
1547 | { | |
1548 | u8 tmp; | |
1549 | ||
1550 | CDR_getTN(cdr.ResultTN); | |
1551 | CDR_getTD(0, cdr.SetSectorEnd); | |
1552 | tmp = cdr.SetSectorEnd[0]; | |
1553 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1554 | cdr.SetSectorEnd[2] = tmp; | |
1555 | } | |
1556 | ||
ef79bbde P |
1557 | void cdrReset() { |
1558 | memset(&cdr, 0, sizeof(cdr)); | |
1559 | cdr.CurTrack = 1; | |
1560 | cdr.File = 1; | |
1561 | cdr.Channel = 1; | |
a2d3ccb8 | 1562 | cdr.Reg2 = 0x1f; |
1563 | cdr.Stat = NoIntr; | |
80f91a20 | 1564 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1565 | cdr.StatP = STATUS_ROTATING; |
8e1040b6 | 1566 | pTransfer = cdr.Transfer; |
c9c7a925 | 1567 | |
056d6759 | 1568 | // BIOS player - default values |
53598a71 | 1569 | cdr.AttenuatorLeftToLeft = 0x80; |
1570 | cdr.AttenuatorLeftToRight = 0x00; | |
1571 | cdr.AttenuatorRightToLeft = 0x00; | |
1572 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1573 | |
1574 | getCdInfo(); | |
ef79bbde P |
1575 | } |
1576 | ||
496d88d4 | 1577 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1578 | u32 tmp; |
fffad32e | 1579 | u8 tmpp[3]; |
ef79bbde | 1580 | |
fffad32e | 1581 | if (Mode == 0 && !Config.Cdda) |
1582 | CDR_stop(); | |
9f8b032d | 1583 | |
55b8460a | 1584 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1585 | gzfreeze(&cdr, sizeof(cdr)); |
1586 | ||
94c118c3 | 1587 | if (Mode == 1) { |
1588 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1589 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1590 | } |
ef79bbde P |
1591 | |
1592 | gzfreeze(&tmp, sizeof(tmp)); | |
1593 | ||
42f3c512 | 1594 | if (Mode == 0) { |
fffad32e | 1595 | getCdInfo(); |
1596 | ||
8e1040b6 | 1597 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1598 | |
fffad32e | 1599 | // read right sub data |
f84d4864 DS |
1600 | tmpp[0] = btoi(cdr.Prev[0]); |
1601 | tmpp[1] = btoi(cdr.Prev[1]); | |
1602 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1603 | cdr.Prev[0]++; |
73b29eeb | 1604 | ReadTrack(tmpp); |
fffad32e | 1605 | |
1606 | if (cdr.Play) { | |
55b8460a | 1607 | if (cdr.freeze_ver < 0x63647202) |
1608 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1609 | ||
fffad32e | 1610 | Find_CurTrack(cdr.SetSectorPlay); |
1611 | if (!Config.Cdda) | |
1612 | CDR_play(cdr.SetSectorPlay); | |
d9a02493 | 1613 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
1614 | CDRPLAYSEEKREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); | |
fffad32e | 1615 | } |
c69642c8 | 1616 | |
1617 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1618 | // old versions did not latch Reg2, have to fixup.. | |
1619 | if (cdr.Reg2 == 0) { | |
1620 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1621 | cdr.Reg2 = 7; | |
1622 | } | |
0f2dee0f | 1623 | // also did not save Attenuator.. |
1624 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1625 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1626 | { | |
1627 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1628 | } | |
c69642c8 | 1629 | } |
42f3c512 | 1630 | } |
1631 | ||
ef79bbde P |
1632 | return 0; |
1633 | } | |
9f8b032d | 1634 | |
d9a02493 | 1635 | void LidInterrupt(void) { |
fffad32e | 1636 | getCdInfo(); |
80f91a20 | 1637 | cdrLidSeekInterrupt(); |
9f8b032d | 1638 | } |