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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 | ||
ef79bbde | 47 | cdrStruct cdr; |
8e1040b6 | 48 | static unsigned char *pTransfer; |
ef79bbde P |
49 | |
50 | /* CD-ROM magic numbers */ | |
f96ca921 | 51 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
52 | #define CdlNop 1 |
53 | #define CdlSetloc 2 | |
54 | #define CdlPlay 3 | |
55 | #define CdlForward 4 | |
56 | #define CdlBackward 5 | |
57 | #define CdlReadN 6 | |
58 | #define CdlStandby 7 | |
59 | #define CdlStop 8 | |
60 | #define CdlPause 9 | |
8399ca33 | 61 | #define CdlReset 10 |
ef79bbde P |
62 | #define CdlMute 11 |
63 | #define CdlDemute 12 | |
64 | #define CdlSetfilter 13 | |
65 | #define CdlSetmode 14 | |
66 | #define CdlGetmode 15 | |
67 | #define CdlGetlocL 16 | |
68 | #define CdlGetlocP 17 | |
69 | #define CdlReadT 18 | |
70 | #define CdlGetTN 19 | |
71 | #define CdlGetTD 20 | |
72 | #define CdlSeekL 21 | |
73 | #define CdlSeekP 22 | |
74 | #define CdlSetclock 23 | |
75 | #define CdlGetclock 24 | |
76 | #define CdlTest 25 | |
77 | #define CdlID 26 | |
78 | #define CdlReadS 27 | |
8399ca33 | 79 | #define CdlInit 28 |
e4268a49 | 80 | #define CdlGetQ 29 |
ef79bbde P |
81 | #define CdlReadToc 30 |
82 | ||
ef79bbde P |
83 | char *CmdName[0x100]= { |
84 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", | |
85 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
8399ca33 | 86 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
ef79bbde P |
87 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", |
88 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", | |
89 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
90 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
8399ca33 | 91 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde P |
92 | }; |
93 | ||
94 | unsigned char Test04[] = { 0 }; | |
95 | unsigned char Test05[] = { 0 }; | |
96 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
97 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
98 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
99 | ||
9f8b032d | 100 | // cdr.Stat: |
101 | #define NoIntr 0 | |
102 | #define DataReady 1 | |
103 | #define Complete 2 | |
104 | #define Acknowledge 3 | |
105 | #define DataEnd 4 | |
106 | #define DiskError 5 | |
107 | ||
108 | /* Modes flags */ | |
109 | #define MODE_SPEED (1<<7) // 0x80 | |
110 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
111 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
112 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 113 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 114 | #define MODE_SF (1<<3) // 0x08 channel on/off |
115 | #define MODE_REPORT (1<<2) // 0x04 | |
116 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
117 | #define MODE_CDDA (1<<0) // 0x01 | |
118 | ||
119 | /* Status flags */ | |
120 | #define STATUS_PLAY (1<<7) // 0x80 | |
121 | #define STATUS_SEEK (1<<6) // 0x40 | |
122 | #define STATUS_READ (1<<5) // 0x20 | |
123 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
124 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
125 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
126 | #define STATUS_ROTATING (1<<1) // 0x02 | |
127 | #define STATUS_ERROR (1<<0) // 0x01 | |
128 | ||
e4268a49 | 129 | /* Errors */ |
003cfc63 | 130 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 131 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
132 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 133 | |
ef79bbde P |
134 | // 1x = 75 sectors per second |
135 | // PSXCLK = 1 sec in the ps | |
136 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
137 | #define cdReadTime (PSXCLK / 75) | |
138 | ||
80f91a20 | 139 | enum drive_state { |
140 | DRIVESTATE_STANDBY = 0, | |
141 | DRIVESTATE_LID_OPEN, | |
142 | DRIVESTATE_RESCAN_CD, | |
143 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 144 | DRIVESTATE_STOPPED, |
80f91a20 | 145 | }; |
146 | ||
39df67df | 147 | // for cdr.Seeked |
148 | enum seeked_state { | |
149 | SEEK_PENDING = 0, | |
150 | SEEK_DONE = 1, | |
39df67df | 151 | }; |
152 | ||
ef79bbde | 153 | static struct CdrStat stat; |
ef79bbde | 154 | |
fffad32e | 155 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 156 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
157 | } | |
158 | ||
fffad32e | 159 | // for that weird psemu API.. |
160 | static unsigned int fsm2sec(const u8 *msf) { | |
161 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
162 | } | |
163 | ||
305c8c93 | 164 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 165 | msf[0] = s / 75 / 60; |
166 | s = s - msf[0] * 75 * 60; | |
167 | msf[1] = s / 75; | |
168 | s = s - msf[1] * 75; | |
169 | msf[2] = s; | |
170 | } | |
171 | ||
39df67df | 172 | // cdrInterrupt |
ef79bbde | 173 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 174 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
175 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
176 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
177 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 178 | } |
ef79bbde | 179 | |
39df67df | 180 | // cdrReadInterrupt |
ef79bbde | 181 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 182 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
183 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
184 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
185 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 186 | } |
ef79bbde | 187 | |
39df67df | 188 | // cdrLidSeekInterrupt |
9f8b032d | 189 | #define CDRLID_INT(eCycle) { \ |
190 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
191 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
192 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
193 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
194 | } | |
195 | ||
39df67df | 196 | // cdrPlayInterrupt |
197 | #define CDRMISC_INT(eCycle) { \ | |
7f457614 | 198 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
199 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
200 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
201 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
202 | } | |
203 | ||
ef79bbde P |
204 | #define StopReading() { \ |
205 | if (cdr.Reading) { \ | |
206 | cdr.Reading = 0; \ | |
d28b54b1 | 207 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
ef79bbde | 208 | } \ |
9ffe8d5c | 209 | cdr.StatP &= ~(STATUS_READ|STATUS_SEEK);\ |
ef79bbde P |
210 | } |
211 | ||
212 | #define StopCdda() { \ | |
213 | if (cdr.Play) { \ | |
214 | if (!Config.Cdda) CDR_stop(); \ | |
9f8b032d | 215 | cdr.StatP &= ~STATUS_PLAY; \ |
ef79bbde | 216 | cdr.Play = FALSE; \ |
9f8b032d | 217 | cdr.FastForward = 0; \ |
218 | cdr.FastBackward = 0; \ | |
219 | /*SPU_registerCallback( SPUirq );*/ \ | |
ef79bbde P |
220 | } \ |
221 | } | |
222 | ||
223 | #define SetResultSize(size) { \ | |
94c118c3 | 224 | cdr.ResultP = 0; \ |
ef79bbde P |
225 | cdr.ResultC = size; \ |
226 | cdr.ResultReady = 1; \ | |
227 | } | |
228 | ||
94c118c3 | 229 | static void setIrq(void) |
230 | { | |
231 | if (cdr.Stat & cdr.Reg2) | |
232 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
233 | } | |
9f8b032d | 234 | |
80f91a20 | 235 | // timing used in this function was taken from tests on real hardware |
236 | // (yes it's slow, but you probably don't want to modify it) | |
9f8b032d | 237 | void cdrLidSeekInterrupt() |
238 | { | |
80f91a20 | 239 | switch (cdr.DriveState) { |
240 | default: | |
241 | case DRIVESTATE_STANDBY: | |
9f8b032d | 242 | cdr.StatP &= ~STATUS_SEEK; |
243 | ||
80f91a20 | 244 | if (CDR_getStatus(&stat) == -1) |
245 | return; | |
9f8b032d | 246 | |
80f91a20 | 247 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 248 | { |
80f91a20 | 249 | StopCdda(); |
250 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
251 | CDRLID_INT(0x800); | |
252 | } | |
253 | break; | |
9f8b032d | 254 | |
80f91a20 | 255 | case DRIVESTATE_LID_OPEN: |
256 | if (CDR_getStatus(&stat) == -1) | |
257 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 258 | |
80f91a20 | 259 | // 02, 12, 10 |
260 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
261 | StopReading(); | |
262 | cdr.StatP |= STATUS_SHELLOPEN; | |
9f8b032d | 263 | |
80f91a20 | 264 | // could generate error irq here, but real hardware |
265 | // only sometimes does that | |
266 | // (not done when lots of commands are sent?) | |
9f8b032d | 267 | |
80f91a20 | 268 | CDRLID_INT(cdReadTime * 30); |
269 | break; | |
9f8b032d | 270 | } |
80f91a20 | 271 | else if (cdr.StatP & STATUS_ROTATING) { |
272 | cdr.StatP &= ~STATUS_ROTATING; | |
273 | } | |
274 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
275 | // closed now | |
276 | CheckCdrom(); | |
9f8b032d | 277 | |
80f91a20 | 278 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
279 | // and is only cleared by CdlNop | |
9f8b032d | 280 | |
80f91a20 | 281 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
282 | CDRLID_INT(cdReadTime * 105); | |
283 | break; | |
284 | } | |
9f8b032d | 285 | |
80f91a20 | 286 | // recheck for close |
287 | CDRLID_INT(cdReadTime * 3); | |
288 | break; | |
9f8b032d | 289 | |
80f91a20 | 290 | case DRIVESTATE_RESCAN_CD: |
291 | cdr.StatP |= STATUS_ROTATING; | |
292 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 293 | |
80f91a20 | 294 | // this is very long on real hardware, over 6 seconds |
295 | // make it a bit faster here... | |
296 | CDRLID_INT(cdReadTime * 150); | |
297 | break; | |
9f8b032d | 298 | |
80f91a20 | 299 | case DRIVESTATE_PREPARE_CD: |
300 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 301 | |
80f91a20 | 302 | cdr.DriveState = DRIVESTATE_STANDBY; |
303 | CDRLID_INT(cdReadTime * 26); | |
304 | break; | |
9f8b032d | 305 | } |
306 | } | |
307 | ||
fffad32e | 308 | static void Find_CurTrack(const u8 *time) |
309 | { | |
310 | int current, sect; | |
9f8b032d | 311 | |
fffad32e | 312 | current = msf2sec(time); |
9f8b032d | 313 | |
fffad32e | 314 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
315 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
316 | sect = fsm2sec(cdr.ResultTD); | |
317 | if (sect - current >= 150) | |
9f8b032d | 318 | break; |
9f8b032d | 319 | } |
320 | } | |
321 | ||
73b29eeb | 322 | static void generate_subq(const u8 *time) |
323 | { | |
324 | unsigned char start[3], next[3]; | |
325 | unsigned int this_s, start_s, next_s, pregap; | |
326 | int relative_s; | |
327 | ||
328 | CDR_getTD(cdr.CurTrack, start); | |
329 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
330 | pregap = 150; | |
331 | CDR_getTD(cdr.CurTrack + 1, next); | |
332 | } | |
333 | else { | |
334 | // last track - cd size | |
335 | pregap = 0; | |
336 | next[0] = cdr.SetSectorEnd[2]; | |
337 | next[1] = cdr.SetSectorEnd[1]; | |
338 | next[2] = cdr.SetSectorEnd[0]; | |
339 | } | |
340 | ||
341 | this_s = msf2sec(time); | |
342 | start_s = fsm2sec(start); | |
343 | next_s = fsm2sec(next); | |
344 | ||
345 | cdr.TrackChanged = FALSE; | |
346 | ||
347 | if (next_s - this_s < pregap) { | |
348 | cdr.TrackChanged = TRUE; | |
349 | cdr.CurTrack++; | |
350 | start_s = next_s; | |
351 | } | |
352 | ||
353 | cdr.subq.Index = 1; | |
354 | ||
355 | relative_s = this_s - start_s; | |
356 | if (relative_s < 0) { | |
357 | cdr.subq.Index = 0; | |
358 | relative_s = -relative_s; | |
359 | } | |
360 | sec2msf(relative_s, cdr.subq.Relative); | |
361 | ||
362 | cdr.subq.Track = itob(cdr.CurTrack); | |
363 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
364 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
365 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
366 | cdr.subq.Absolute[0] = itob(time[0]); | |
367 | cdr.subq.Absolute[1] = itob(time[1]); | |
368 | cdr.subq.Absolute[2] = itob(time[2]); | |
369 | } | |
370 | ||
371 | static void ReadTrack(const u8 *time) { | |
fffad32e | 372 | unsigned char tmp[3]; |
373 | struct SubQ *subq; | |
374 | u16 crc; | |
ef79bbde | 375 | |
fffad32e | 376 | tmp[0] = itob(time[0]); |
377 | tmp[1] = itob(time[1]); | |
378 | tmp[2] = itob(time[2]); | |
ef79bbde | 379 | |
fffad32e | 380 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
381 | return; | |
39df67df | 382 | |
fffad32e | 383 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 384 | |
fffad32e | 385 | cdr.RErr = CDR_readTrack(tmp); |
386 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 387 | |
fffad32e | 388 | if (CheckSBI(time)) |
389 | return; | |
9f8b032d | 390 | |
fffad32e | 391 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 392 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 393 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 394 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 395 | cdr.subq.Track = subq->TrackNumber; |
396 | cdr.subq.Index = subq->IndexNumber; | |
397 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
398 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 399 | } |
92ca1ba6 | 400 | else { |
73b29eeb | 401 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 402 | tmp[0], tmp[1], tmp[2]); |
403 | } | |
9f8b032d | 404 | } |
fffad32e | 405 | else { |
73b29eeb | 406 | generate_subq(time); |
9f8b032d | 407 | } |
9f8b032d | 408 | |
fffad32e | 409 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
410 | cdr.subq.Track, cdr.subq.Index, | |
411 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
412 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
413 | } | |
9f8b032d | 414 | |
e4268a49 | 415 | static void AddIrqQueue(unsigned short irq, unsigned long ecycle) { |
416 | if (cdr.Irq != 0) { | |
417 | if (irq == cdr.Irq || irq + 0x100 == cdr.Irq) { | |
418 | cdr.IrqRepeated = 1; | |
419 | CDR_INT(ecycle); | |
420 | return; | |
421 | } | |
422 | ||
fffad32e | 423 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); |
e4268a49 | 424 | } |
9f8b032d | 425 | |
fffad32e | 426 | cdr.Irq = irq; |
427 | cdr.eCycle = ecycle; | |
9f8b032d | 428 | |
fffad32e | 429 | CDR_INT(ecycle); |
ef79bbde P |
430 | } |
431 | ||
7f457614 | 432 | static void cdrPlayInterrupt_Autopause() |
433 | { | |
fffad32e | 434 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 435 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 436 | |
437 | // Magic the Gathering | |
438 | // - looping territory cdda | |
439 | ||
440 | // ...? | |
441 | //cdr.ResultReady = 1; | |
442 | //cdr.Stat = DataReady; | |
443 | cdr.Stat = DataEnd; | |
94c118c3 | 444 | setIrq(); |
7f457614 | 445 | |
446 | StopCdda(); | |
447 | } | |
d2e271b2 | 448 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
7f457614 | 449 | |
fffad32e | 450 | cdr.Result[0] = cdr.StatP; |
451 | cdr.Result[1] = cdr.subq.Track; | |
452 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 453 | |
fffad32e | 454 | if (cdr.subq.Absolute[2] & 0x10) { |
455 | cdr.Result[3] = cdr.subq.Relative[0]; | |
456 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
457 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 458 | } |
fffad32e | 459 | else { |
460 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
461 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
462 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
463 | } | |
464 | ||
465 | cdr.Result[6] = 0; | |
466 | cdr.Result[7] = 0; | |
7f457614 | 467 | |
468 | // Rayman: Logo freeze (resultready + dataready) | |
469 | cdr.ResultReady = 1; | |
470 | cdr.Stat = DataReady; | |
471 | ||
472 | SetResultSize(8); | |
94c118c3 | 473 | setIrq(); |
7f457614 | 474 | } |
475 | } | |
476 | ||
39df67df | 477 | // also handles seek |
7f457614 | 478 | void cdrPlayInterrupt() |
479 | { | |
892bd7d4 | 480 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 481 | if (cdr.Stat) { |
8b380e97 | 482 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 483 | CDRMISC_INT(0x1000); |
484 | return; | |
485 | } | |
39df67df | 486 | SetResultSize(1); |
487 | cdr.StatP |= STATUS_ROTATING; | |
488 | cdr.StatP &= ~STATUS_SEEK; | |
489 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 490 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 491 | if (cdr.Irq == 0) { |
39df67df | 492 | cdr.Stat = Complete; |
d2e271b2 | 493 | cdr.RErr = 1; |
94c118c3 | 494 | setIrq(); |
39df67df | 495 | } |
496 | ||
55b8460a | 497 | if (cdr.SetlocPending) { |
498 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
499 | cdr.SetlocPending = 0; | |
068a6133 | 500 | cdr.m_locationChanged = TRUE; |
55b8460a | 501 | } |
fffad32e | 502 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 503 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 504 | cdr.TrackChanged = FALSE; |
39df67df | 505 | } |
506 | ||
507 | if (!cdr.Play) return; | |
7f457614 | 508 | |
7f457614 | 509 | CDR_LOG( "CDDA - %d:%d:%d\n", |
510 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 511 | |
fffad32e | 512 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
513 | StopCdda(); | |
514 | cdr.TrackChanged = TRUE; | |
515 | } | |
7f457614 | 516 | |
892bd7d4 | 517 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 518 | cdrPlayInterrupt_Autopause(); |
519 | ||
fffad32e | 520 | if (!cdr.Play) return; |
521 | ||
7f457614 | 522 | cdr.SetSectorPlay[2]++; |
523 | if (cdr.SetSectorPlay[2] == 75) { | |
524 | cdr.SetSectorPlay[2] = 0; | |
525 | cdr.SetSectorPlay[1]++; | |
526 | if (cdr.SetSectorPlay[1] == 60) { | |
527 | cdr.SetSectorPlay[1] = 0; | |
528 | cdr.SetSectorPlay[0]++; | |
529 | } | |
530 | } | |
531 | ||
068a6133 | 532 | if (cdr.m_locationChanged) |
533 | { | |
534 | CDRMISC_INT(cdReadTime * 30); | |
535 | cdr.m_locationChanged = FALSE; | |
536 | } | |
537 | else | |
538 | { | |
539 | CDRMISC_INT(cdReadTime); | |
540 | } | |
fffad32e | 541 | |
542 | // update for CdlGetlocP/autopause | |
73b29eeb | 543 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 544 | } |
545 | ||
ef79bbde | 546 | void cdrInterrupt() { |
e4268a49 | 547 | u16 Irq = cdr.Irq; |
548 | int no_busy_error = 0; | |
549 | int start_rotating = 0; | |
550 | int error = 0; | |
551 | int delay; | |
fbf19ce6 | 552 | unsigned int seekTime = 0; |
ef79bbde | 553 | |
9f8b032d | 554 | // Reschedule IRQ |
ef79bbde | 555 | if (cdr.Stat) { |
8b380e97 | 556 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 557 | CDR_INT(0x1000); |
ef79bbde P |
558 | return; |
559 | } | |
560 | ||
ef79bbde P |
561 | cdr.Ctrl &= ~0x80; |
562 | ||
e4268a49 | 563 | // default response |
564 | SetResultSize(1); | |
565 | cdr.Result[0] = cdr.StatP; | |
566 | cdr.Stat = Acknowledge; | |
567 | ||
568 | if (cdr.IrqRepeated) { | |
569 | cdr.IrqRepeated = 0; | |
570 | if (cdr.eCycle > psxRegs.cycle) { | |
571 | CDR_INT(cdr.eCycle); | |
572 | goto finish; | |
573 | } | |
574 | } | |
575 | ||
576 | cdr.Irq = 0; | |
577 | ||
ef79bbde | 578 | switch (Irq) { |
ef79bbde | 579 | case CdlNop: |
80f91a20 | 580 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
581 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 582 | no_busy_error = 1; |
ef79bbde P |
583 | break; |
584 | ||
585 | case CdlSetloc: | |
ef79bbde P |
586 | break; |
587 | ||
55b8460a | 588 | do_CdlPlay: |
ef79bbde | 589 | case CdlPlay: |
030bd76a | 590 | StopCdda(); |
d2e271b2 | 591 | /* It would set it to SEEK_DONE*/ |
592 | cdr.Seeked = SEEK_PENDING; | |
593 | ||
594 | cdr.FastBackward = 0; | |
595 | cdr.FastForward = 0; | |
596 | ||
55b8460a | 597 | if (cdr.SetlocPending) { |
598 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
599 | cdr.SetlocPending = 0; | |
068a6133 | 600 | cdr.m_locationChanged = TRUE; |
55b8460a | 601 | } |
9f8b032d | 602 | |
2d5ca6c0 | 603 | // BIOS CD Player |
604 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
605 | ||
606 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
607 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
608 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
609 | } | |
610 | else | |
611 | { | |
612 | int track = btoi( cdr.Param[0] ); | |
613 | ||
614 | if (track <= cdr.ResultTN[1]) | |
615 | cdr.CurTrack = track; | |
616 | ||
617 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
618 | ||
619 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
620 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
621 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
622 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
623 | } | |
624 | } | |
625 | ||
9f8b032d | 626 | /* |
627 | Rayman: detect track changes | |
628 | - fixes logo freeze | |
629 | ||
630 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
631 | - plays tracks without retry play | |
632 | ||
633 | Wild 9: skip PREGAP + starting accurate SubQ | |
634 | - plays tracks without retry play | |
635 | */ | |
fffad32e | 636 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 637 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 638 | cdr.TrackChanged = FALSE; |
9f8b032d | 639 | |
2d5ca6c0 | 640 | if (!Config.Cdda) |
641 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 642 | |
643 | // Vib Ribbon: gameplay checks flag | |
644 | cdr.StatP &= ~STATUS_SEEK; | |
ef79bbde | 645 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 646 | |
647 | cdr.StatP |= STATUS_PLAY; | |
9f8b032d | 648 | |
649 | // BIOS player - set flag again | |
650 | cdr.Play = TRUE; | |
651 | ||
39df67df | 652 | CDRMISC_INT( cdReadTime ); |
e4268a49 | 653 | start_rotating = 1; |
ef79bbde P |
654 | break; |
655 | ||
9f8b032d | 656 | case CdlForward: |
e4268a49 | 657 | // TODO: error 80 if stopped |
9f8b032d | 658 | cdr.Stat = Complete; |
d2e271b2 | 659 | cdr.RErr = 1; |
9f8b032d | 660 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 661 | cdr.FastForward = 1; |
9f8b032d | 662 | cdr.FastBackward = 0; |
ef79bbde P |
663 | break; |
664 | ||
9f8b032d | 665 | case CdlBackward: |
9f8b032d | 666 | cdr.Stat = Complete; |
667 | ||
9f8b032d | 668 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 669 | cdr.FastBackward =1; |
9f8b032d | 670 | cdr.FastForward = 0; |
ef79bbde P |
671 | break; |
672 | ||
9f8b032d | 673 | case CdlStandby: |
e4268a49 | 674 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
675 | error = ERROR_INVALIDARG; | |
676 | goto set_error; | |
677 | } | |
678 | AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2); | |
679 | start_rotating = 1; | |
680 | break; | |
681 | ||
682 | case CdlStandby + 0x100: | |
ef79bbde | 683 | cdr.Stat = Complete; |
d2e271b2 | 684 | cdr.RErr = 1; |
ef79bbde P |
685 | break; |
686 | ||
687 | case CdlStop: | |
030bd76a | 688 | if (cdr.Play) { |
689 | // grab time for current track | |
690 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
691 | ||
692 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
693 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
694 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
695 | } | |
696 | ||
697 | StopCdda(); | |
698 | StopReading(); | |
699 | ||
e4268a49 | 700 | delay = 0x800; |
701 | if (cdr.DriveState == DRIVESTATE_STANDBY) | |
702 | delay = cdReadTime * 30 / 2; | |
703 | ||
704 | cdr.DriveState = DRIVESTATE_STOPPED; | |
705 | AddIrqQueue(CdlStop + 0x100, delay); | |
706 | break; | |
707 | ||
708 | case CdlStop + 0x100: | |
9f8b032d | 709 | cdr.StatP &= ~STATUS_ROTATING; |
ef79bbde P |
710 | cdr.Result[0] = cdr.StatP; |
711 | cdr.Stat = Complete; | |
d2e271b2 | 712 | cdr.RErr = 1; |
ef79bbde P |
713 | break; |
714 | ||
715 | case CdlPause: | |
12228917 | 716 | /* |
717 | Gundam Battle Assault 2: much slower (*) | |
718 | - Fixes boot, gameplay | |
719 | ||
720 | Hokuto no Ken 2: slower | |
721 | - Fixes intro + subtitles | |
722 | ||
723 | InuYasha - Feudal Fairy Tale: slower | |
724 | - Fixes battles | |
725 | */ | |
e4268a49 | 726 | AddIrqQueue(CdlPause + 0x100, cdReadTime * 3); |
ef79bbde P |
727 | cdr.Ctrl |= 0x80; |
728 | break; | |
729 | ||
e4268a49 | 730 | case CdlPause + 0x100: |
9f8b032d | 731 | cdr.StatP &= ~STATUS_READ; |
ef79bbde | 732 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 733 | cdr.Stat = Complete; |
d2e271b2 | 734 | cdr.RErr = 1; |
ef79bbde P |
735 | break; |
736 | ||
8399ca33 | 737 | case CdlReset: |
738 | cdr.Muted = FALSE; | |
739 | cdr.Mode = 0x20; /* Needed for This is Football 2, Pooh's Party and possibly others. */ | |
740 | AddIrqQueue(CdlReset + 0x100, 4100000); | |
e4268a49 | 741 | no_busy_error = 1; |
742 | start_rotating = 1; | |
743 | break; | |
744 | ||
8399ca33 | 745 | case CdlReset + 0x100: |
9f8b032d | 746 | cdr.Stat = Complete; |
d2e271b2 | 747 | cdr.RErr = 1; |
ef79bbde P |
748 | break; |
749 | ||
9f8b032d | 750 | case CdlMute: |
030bd76a | 751 | cdr.Muted = TRUE; |
ef79bbde P |
752 | break; |
753 | ||
9f8b032d | 754 | case CdlDemute: |
030bd76a | 755 | cdr.Muted = FALSE; |
ef79bbde P |
756 | break; |
757 | ||
9f8b032d | 758 | case CdlSetfilter: |
030bd76a | 759 | cdr.File = cdr.Param[0]; |
760 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 761 | break; |
ef79bbde P |
762 | |
763 | case CdlSetmode: | |
e4268a49 | 764 | no_busy_error = 1; |
9f8b032d | 765 | break; |
ef79bbde | 766 | |
9f8b032d | 767 | case CdlGetmode: |
ef79bbde | 768 | SetResultSize(6); |
9f8b032d | 769 | cdr.Result[1] = cdr.Mode; |
770 | cdr.Result[2] = cdr.File; | |
771 | cdr.Result[3] = cdr.Channel; | |
772 | cdr.Result[4] = 0; | |
773 | cdr.Result[5] = 0; | |
e4268a49 | 774 | no_busy_error = 1; |
9f8b032d | 775 | break; |
ef79bbde | 776 | |
9f8b032d | 777 | case CdlGetlocL: |
ef79bbde | 778 | SetResultSize(8); |
e4268a49 | 779 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 780 | break; |
ef79bbde P |
781 | |
782 | case CdlGetlocP: | |
fffad32e | 783 | SetResultSize(8); |
784 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 785 | |
892bd7d4 | 786 | if (!cdr.Play && !cdr.Reading) |
787 | cdr.Result[1] = 0; // HACK? | |
e4268a49 | 788 | break; |
892bd7d4 | 789 | |
e4268a49 | 790 | case CdlReadT: // SetSession? |
791 | // really long | |
792 | AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4); | |
793 | start_rotating = 1; | |
794 | break; | |
795 | ||
796 | case CdlReadT + 0x100: | |
797 | cdr.Stat = Complete; | |
d2e271b2 | 798 | cdr.RErr = 1; |
ef79bbde P |
799 | break; |
800 | ||
9f8b032d | 801 | case CdlGetTN: |
ef79bbde | 802 | SetResultSize(3); |
9f8b032d | 803 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 804 | cdr.Stat = DiskError; |
9f8b032d | 805 | cdr.Result[0] |= STATUS_ERROR; |
806 | } else { | |
807 | cdr.Stat = Acknowledge; | |
808 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
809 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
810 | } | |
811 | break; | |
ef79bbde | 812 | |
9f8b032d | 813 | case CdlGetTD: |
ef79bbde P |
814 | cdr.Track = btoi(cdr.Param[0]); |
815 | SetResultSize(4); | |
ef79bbde P |
816 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
817 | cdr.Stat = DiskError; | |
9f8b032d | 818 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
819 | } else { |
820 | cdr.Stat = Acknowledge; | |
821 | cdr.Result[0] = cdr.StatP; | |
822 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
823 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
824 | cdr.Result[3] = itob(cdr.ResultTD[0]); | |
825 | } | |
826 | break; | |
827 | ||
9f8b032d | 828 | case CdlSeekL: |
39df67df | 829 | case CdlSeekP: |
030bd76a | 830 | StopCdda(); |
831 | StopReading(); | |
9f8b032d | 832 | cdr.StatP |= STATUS_SEEK; |
9f8b032d | 833 | |
834 | /* | |
835 | Crusaders of Might and Magic = 0.5x-4x | |
836 | - fix cutscene speech start | |
837 | ||
838 | Eggs of Steel = 2x-? | |
839 | - fix new game | |
840 | ||
841 | Medievil = ?-4x | |
842 | - fix cutscene speech | |
843 | ||
844 | Rockman X5 = 0.5-4x | |
845 | - fix capcom logo | |
846 | */ | |
39df67df | 847 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 848 | cdr.Seeked = SEEK_PENDING; |
e4268a49 | 849 | start_rotating = 1; |
ef79bbde P |
850 | break; |
851 | ||
852 | case CdlTest: | |
9f8b032d | 853 | switch (cdr.Param[0]) { |
854 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
855 | SetResultSize(4); |
856 | memcpy(cdr.Result, Test20, 4); | |
857 | break; | |
858 | case 0x22: | |
859 | SetResultSize(8); | |
860 | memcpy(cdr.Result, Test22, 4); | |
861 | break; | |
862 | case 0x23: case 0x24: | |
863 | SetResultSize(8); | |
864 | memcpy(cdr.Result, Test23, 4); | |
865 | break; | |
9f8b032d | 866 | } |
e4268a49 | 867 | no_busy_error = 1; |
ef79bbde P |
868 | break; |
869 | ||
9f8b032d | 870 | case CdlID: |
e4268a49 | 871 | AddIrqQueue(CdlID + 0x100, 20480); |
ef79bbde P |
872 | break; |
873 | ||
e4268a49 | 874 | case CdlID + 0x100: |
ef79bbde | 875 | SetResultSize(8); |
89ec56af | 876 | cdr.Result[0] = cdr.StatP; |
877 | cdr.Result[1] = 0; | |
878 | cdr.Result[2] = 0; | |
879 | cdr.Result[3] = 0; | |
9f8b032d | 880 | |
d8432250 | 881 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
882 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
883 | cdr.Result[1] = 0xc0; | |
9f8b032d | 884 | } |
885 | else { | |
89ec56af | 886 | if (stat.Type == 2) |
887 | cdr.Result[1] |= 0x10; | |
888 | if (CdromId[0] == '\0') | |
9f8b032d | 889 | cdr.Result[1] |= 0x80; |
9f8b032d | 890 | } |
89ec56af | 891 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 892 | |
3e42b115 | 893 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
894 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde | 895 | cdr.Stat = Complete; |
d2e271b2 | 896 | cdr.RErr = 1; |
ef79bbde P |
897 | break; |
898 | ||
8399ca33 | 899 | case CdlInit: |
e4268a49 | 900 | // yes, it really sets STATUS_SHELLOPEN |
901 | cdr.StatP |= STATUS_SHELLOPEN; | |
902 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
903 | CDRLID_INT(20480); | |
904 | no_busy_error = 1; | |
905 | start_rotating = 1; | |
9f8b032d | 906 | break; |
907 | ||
e4268a49 | 908 | case CdlGetQ: |
e1a78bc4 | 909 | no_busy_error = 1; |
9f8b032d | 910 | break; |
911 | ||
912 | case CdlReadToc: | |
e4268a49 | 913 | AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4); |
914 | no_busy_error = 1; | |
915 | start_rotating = 1; | |
ef79bbde P |
916 | break; |
917 | ||
e4268a49 | 918 | case CdlReadToc + 0x100: |
9f8b032d | 919 | cdr.Stat = Complete; |
d2e271b2 | 920 | cdr.RErr = 1; |
e4268a49 | 921 | no_busy_error = 1; |
ef79bbde P |
922 | break; |
923 | ||
94c118c3 | 924 | case CdlReadN: |
925 | case CdlReadS: | |
55b8460a | 926 | if (cdr.SetlocPending) { |
fbf19ce6 | 927 | seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(cdr.SetSector)) * (cdReadTime / 200); |
d2e271b2 | 928 | /* |
929 | * Gameblabla : | |
930 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
931 | * and was unreliable for that game. | |
932 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
933 | * | |
934 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
935 | * Games to test this against if you change that setting : | |
936 | * - Driver (titlescreen music delay and retry mission) | |
937 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
938 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
939 | * | |
940 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
941 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
942 | */ | |
943 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
55b8460a | 944 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); |
945 | cdr.SetlocPending = 0; | |
068a6133 | 946 | cdr.m_locationChanged = TRUE; |
55b8460a | 947 | } |
948 | Find_CurTrack(cdr.SetSectorPlay); | |
949 | ||
950 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
951 | // Read* acts as play for cdda tracks in cdda mode | |
952 | goto do_CdlPlay; | |
953 | ||
030bd76a | 954 | cdr.Reading = 1; |
955 | cdr.FirstSector = 1; | |
ef79bbde | 956 | |
9f8b032d | 957 | // Fighting Force 2 - update subq time immediately |
958 | // - fixes new game | |
55b8460a | 959 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 960 | |
961 | ||
962 | // Crusaders of Might and Magic - update getlocl now | |
963 | // - fixes cutscene speech | |
964 | { | |
965 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 966 | if (buf != NULL) |
967 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 968 | } |
39df67df | 969 | |
9f8b032d | 970 | /* |
971 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
972 | - fixes cutscenes | |
914722b2 | 973 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 974 | */ |
975 | ||
d2e271b2 | 976 | /* |
977 | By nicolasnoble from PCSX Redux : | |
978 | "It LOOKS like this logic is wrong, therefore disabling it with `&& false` for now. | |
979 | For "PoPoLoCrois Monogatari II", the game logic will soft lock and will never issue GetLocP to detect | |
980 | the end of its XA streams, as it seems to assume ReadS will not return a status byte with the SEEK | |
981 | flag set. I think the reasonning is that since it's invalid to call GetLocP while seeking, the game | |
982 | tries to protect itself against errors by preventing from issuing a GetLocP while it knows the | |
983 | last status was "seek". But this makes the logic just softlock as it'll never get a notification | |
984 | about the fact the drive is done seeking and the read actually started. | |
985 | In other words, this state machine here is probably wrong in assuming the response to ReadS/ReadN is | |
986 | done right away. It's rather when it's done seeking, and the read has actually started. This probably | |
987 | requires a bit more work to make sure seek delays are processed properly. | |
988 | Checked with a few games, this seems to work fine." | |
989 | ||
990 | Gameblabla additional notes : | |
991 | This still needs the "+ seekTime" that PCSX Redux doesn't have for the Driver "retry" mission error. | |
992 | */ | |
993 | cdr.StatP |= STATUS_READ; | |
994 | cdr.StatP &= ~STATUS_SEEK; | |
995 | CDREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime); | |
ef79bbde | 996 | |
9f8b032d | 997 | cdr.Result[0] = cdr.StatP; |
e4268a49 | 998 | start_rotating = 1; |
ef79bbde P |
999 | break; |
1000 | ||
f96ca921 | 1001 | case CdlSync: |
ef79bbde | 1002 | default: |
e4268a49 | 1003 | CDR_LOG_I("Invalid command: %02x\n", Irq); |
1004 | error = ERROR_INVALIDCMD; | |
1005 | // FALLTHROUGH | |
1006 | ||
1007 | set_error: | |
1008 | SetResultSize(2); | |
1009 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
1010 | cdr.Result[1] = error; | |
1011 | cdr.Stat = DiskError; | |
ef79bbde P |
1012 | break; |
1013 | } | |
1014 | ||
e4268a49 | 1015 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1016 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1017 | cdr.StatP |= STATUS_ROTATING; | |
1018 | } | |
1019 | ||
1020 | if (!no_busy_error) { | |
80f91a20 | 1021 | switch (cdr.DriveState) { |
1022 | case DRIVESTATE_LID_OPEN: | |
1023 | case DRIVESTATE_RESCAN_CD: | |
1024 | case DRIVESTATE_PREPARE_CD: | |
1025 | SetResultSize(2); | |
1026 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1027 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1028 | cdr.Stat = DiskError; |
1029 | break; | |
1030 | } | |
1031 | } | |
9f8b032d | 1032 | |
e4268a49 | 1033 | finish: |
94c118c3 | 1034 | setIrq(); |
e4268a49 | 1035 | cdr.ParamC = 0; |
ef79bbde | 1036 | |
8b380e97 | 1037 | #ifdef CDR_LOG_CMD_IRQ |
e4268a49 | 1038 | { |
1039 | int i; | |
1040 | SysPrintf("CDR IRQ %d cmd %02x stat %02x: ", | |
1041 | !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat); | |
1042 | for (i = 0; i < cdr.ResultC; i++) | |
1043 | SysPrintf("%02x ", cdr.Result[i]); | |
1044 | SysPrintf("\n"); | |
1045 | } | |
ef79bbde P |
1046 | #endif |
1047 | } | |
1048 | ||
8f2bb0cb | 1049 | #ifdef HAVE_ARMV7 |
53598a71 | 1050 | #define ssat32_to_16(v) \ |
1051 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1052 | #else | |
1053 | #define ssat32_to_16(v) do { \ | |
1054 | if (v < -32768) v = -32768; \ | |
1055 | else if (v > 32767) v = 32767; \ | |
1056 | } while (0) | |
1057 | #endif | |
1058 | ||
1059 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1060 | { | |
1061 | int i, l, r; | |
1062 | int ll = cdr.AttenuatorLeftToLeft; | |
1063 | int lr = cdr.AttenuatorLeftToRight; | |
1064 | int rl = cdr.AttenuatorRightToLeft; | |
1065 | int rr = cdr.AttenuatorRightToRight; | |
1066 | ||
1067 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1068 | return; | |
1069 | ||
1070 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1071 | return; | |
1072 | ||
1073 | if (stereo) { | |
1074 | for (i = 0; i < samples; i++) { | |
1075 | l = buf[i * 2]; | |
1076 | r = buf[i * 2 + 1]; | |
1077 | l = (l * ll + r * rl) >> 7; | |
1078 | r = (r * rr + l * lr) >> 7; | |
1079 | ssat32_to_16(l); | |
1080 | ssat32_to_16(r); | |
1081 | buf[i * 2] = l; | |
1082 | buf[i * 2 + 1] = r; | |
1083 | } | |
1084 | } | |
1085 | else { | |
1086 | for (i = 0; i < samples; i++) { | |
1087 | l = buf[i]; | |
1088 | l = l * (ll + rl) >> 7; | |
1089 | //r = r * (rr + lr) >> 7; | |
1090 | ssat32_to_16(l); | |
1091 | //ssat32_to_16(r); | |
1092 | buf[i] = l; | |
1093 | } | |
1094 | } | |
1095 | } | |
1096 | ||
ef79bbde P |
1097 | void cdrReadInterrupt() { |
1098 | u8 *buf; | |
1099 | ||
1100 | if (!cdr.Reading) | |
1101 | return; | |
1102 | ||
9f8b032d | 1103 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1104 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1105 | CDREAD_INT(0x1000); |
ef79bbde P |
1106 | return; |
1107 | } | |
1108 | ||
9f8b032d | 1109 | cdr.OCUP = 1; |
ef79bbde | 1110 | SetResultSize(1); |
9f8b032d | 1111 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1112 | cdr.StatP &= ~STATUS_SEEK; | |
1113 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1114 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1115 | |
55b8460a | 1116 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1117 | |
1118 | buf = CDR_getBuffer(); | |
1119 | if (buf == NULL) | |
d2e271b2 | 1120 | cdr.RErr = 0; |
ef79bbde | 1121 | |
d2e271b2 | 1122 | if (cdr.RErr == 0) { |
8b380e97 | 1123 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1124 | memset(cdr.Transfer, 0, DATA_SIZE); |
1125 | cdr.Stat = DiskError; | |
9f8b032d | 1126 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1127 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1128 | return; | |
1129 | } | |
1130 | ||
1131 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1132 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1133 | ||
ef79bbde | 1134 | |
8b380e97 | 1135 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1136 | |
9f8b032d | 1137 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1138 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1139 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1140 | cdr.File = cdr.Transfer[4 + 0]; | |
1141 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1142 | } | |
1143 | ||
0e0ad585 | 1144 | /* Gameblabla |
1145 | * Skips playing on channel 255. | |
1146 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1147 | * TODO : Check if this is the proper behaviour. | |
1148 | * */ | |
cd0c9f5b | 1149 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1150 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
0e0ad585 | 1151 | (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) { |
ef79bbde | 1152 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1153 | if (!ret) { |
53598a71 | 1154 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1155 | SPU_playADPCMchannel(&cdr.Xa); |
1156 | cdr.FirstSector = 0; | |
1157 | } | |
1158 | else cdr.FirstSector = -1; | |
1159 | } | |
1160 | } | |
1161 | ||
55b8460a | 1162 | cdr.SetSectorPlay[2]++; |
1163 | if (cdr.SetSectorPlay[2] == 75) { | |
1164 | cdr.SetSectorPlay[2] = 0; | |
1165 | cdr.SetSectorPlay[1]++; | |
1166 | if (cdr.SetSectorPlay[1] == 60) { | |
1167 | cdr.SetSectorPlay[1] = 0; | |
1168 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1169 | } |
1170 | } | |
1171 | ||
1172 | cdr.Readed = 0; | |
1173 | ||
068a6133 | 1174 | uint32_t delay = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime; |
1175 | if (cdr.m_locationChanged) { | |
1176 | CDREAD_INT(delay * 30); | |
1177 | cdr.m_locationChanged = FALSE; | |
1178 | } else { | |
1179 | CDREAD_INT(delay); | |
1180 | } | |
9f8b032d | 1181 | |
1182 | /* | |
1183 | Croc 2: $40 - only FORM1 (*) | |
1184 | Judge Dredd: $C8 - only FORM1 (*) | |
1185 | Sim Theme Park - no adpcm at all (zero) | |
1186 | */ | |
1187 | ||
a34a2445 | 1188 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1189 | cdr.Stat = DataReady; |
a34a2445 | 1190 | setIrq(); |
ef79bbde | 1191 | } |
9f8b032d | 1192 | |
fffad32e | 1193 | // update for CdlGetlocP |
55b8460a | 1194 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1195 | } |
1196 | ||
1197 | /* | |
1198 | cdrRead0: | |
94c118c3 | 1199 | bit 0,1 - mode |
ef79bbde P |
1200 | bit 2 - unknown |
1201 | bit 3 - unknown | |
1202 | bit 4 - unknown | |
1203 | bit 5 - 1 result ready | |
1204 | bit 6 - 1 dma ready | |
1205 | bit 7 - 1 command being processed | |
1206 | */ | |
1207 | ||
1208 | unsigned char cdrRead0(void) { | |
1209 | if (cdr.ResultReady) | |
1210 | cdr.Ctrl |= 0x20; | |
1211 | else | |
1212 | cdr.Ctrl &= ~0x20; | |
1213 | ||
1214 | if (cdr.OCUP) | |
1215 | cdr.Ctrl |= 0x40; | |
1216 | // else | |
1217 | // cdr.Ctrl &= ~0x40; | |
1218 | ||
1219 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1220 | cdr.Ctrl |= 0x18; | |
1221 | ||
8b380e97 | 1222 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1223 | |
1224 | return psxHu8(0x1800) = cdr.Ctrl; | |
1225 | } | |
1226 | ||
ef79bbde | 1227 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1228 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1229 | ||
50b13be9 | 1230 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1231 | } |
1232 | ||
1233 | unsigned char cdrRead1(void) { | |
94c118c3 | 1234 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1235 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1236 | else |
ef79bbde | 1237 | psxHu8(0x1801) = 0; |
94c118c3 | 1238 | cdr.ResultP++; |
1239 | if (cdr.ResultP == cdr.ResultC) | |
1240 | cdr.ResultReady = 0; | |
1241 | ||
8b380e97 | 1242 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1243 | ||
ef79bbde P |
1244 | return psxHu8(0x1801); |
1245 | } | |
1246 | ||
1247 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1248 | u8 set_loc[3]; |
ef79bbde P |
1249 | int i; |
1250 | ||
8b380e97 | 1251 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1252 | |
94c118c3 | 1253 | switch (cdr.Ctrl & 3) { |
1254 | case 0: | |
1255 | break; | |
1256 | case 3: | |
53598a71 | 1257 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1258 | return; |
1259 | default: | |
1260 | return; | |
9f8b032d | 1261 | } |
1262 | ||
9f8b032d | 1263 | cdr.Cmd = rt; |
ef79bbde P |
1264 | cdr.OCUP = 0; |
1265 | ||
8b380e97 | 1266 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1267 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde P |
1268 | if (cdr.ParamC) { |
1269 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1270 | for (i = 0; i < cdr.ParamC; i++) | |
1271 | SysPrintf(" %x,", cdr.Param[i]); | |
1272 | SysPrintf("}\n"); | |
1273 | } else { | |
1274 | SysPrintf("\n"); | |
1275 | } | |
1276 | #endif | |
1277 | ||
2daaaae3 | 1278 | cdr.ResultReady = 0; |
94c118c3 | 1279 | cdr.Ctrl |= 0x80; |
1280 | // cdr.Stat = NoIntr; | |
1281 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1282 | |
9f8b032d | 1283 | switch (cdr.Cmd) { |
94c118c3 | 1284 | case CdlSetloc: |
ee01b3d3 | 1285 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
39df67df | 1286 | |
ee01b3d3 | 1287 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 |
1288 | 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)) | |
1289 | { | |
1290 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
1291 | } | |
1292 | else | |
1293 | { | |
1294 | for (i = 0; i < 3; i++) | |
1295 | { | |
1296 | set_loc[i] = btoi(cdr.Param[i]); | |
1297 | } | |
39df67df | 1298 | |
ee01b3d3 | 1299 | i = msf2sec(cdr.SetSectorPlay); |
1300 | i = abs(i - msf2sec(set_loc)); | |
1301 | if (i > 16) | |
1302 | cdr.Seeked = SEEK_PENDING; | |
1303 | ||
1304 | memcpy(cdr.SetSector, set_loc, 3); | |
1305 | cdr.SetSector[3] = 0; | |
1306 | cdr.SetlocPending = 1; | |
1307 | } | |
94c118c3 | 1308 | break; |
ef79bbde | 1309 | |
94c118c3 | 1310 | case CdlReadN: |
030bd76a | 1311 | case CdlReadS: |
94c118c3 | 1312 | case CdlPause: |
9f8b032d | 1313 | StopCdda(); |
1314 | StopReading(); | |
9f8b032d | 1315 | break; |
1316 | ||
94c118c3 | 1317 | case CdlInit: |
8399ca33 | 1318 | case CdlReset: |
39df67df | 1319 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1320 | StopCdda(); |
1321 | StopReading(); | |
94c118c3 | 1322 | break; |
9f8b032d | 1323 | |
ef79bbde | 1324 | case CdlSetmode: |
9f8b032d | 1325 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1326 | |
ef79bbde | 1327 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1328 | |
1329 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1330 | // - fixes choppy movie sound | |
1331 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1332 | StopCdda(); | |
ef79bbde | 1333 | break; |
9f8b032d | 1334 | } |
ef79bbde P |
1335 | } |
1336 | ||
1337 | unsigned char cdrRead2(void) { | |
1338 | unsigned char ret; | |
1339 | ||
1340 | if (cdr.Readed == 0) { | |
1341 | ret = 0; | |
1342 | } else { | |
8e1040b6 | 1343 | ret = *pTransfer++; |
ef79bbde P |
1344 | } |
1345 | ||
8b380e97 | 1346 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1347 | return ret; |
1348 | } | |
1349 | ||
1350 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1351 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1352 | |
94c118c3 | 1353 | switch (cdr.Ctrl & 3) { |
1354 | case 0: | |
1355 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1356 | cdr.Param[cdr.ParamC++] = rt; | |
1357 | return; | |
1358 | case 1: | |
1359 | cdr.Reg2 = rt; | |
1360 | setIrq(); | |
1361 | return; | |
1362 | case 2: | |
53598a71 | 1363 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1364 | return; |
1365 | case 3: | |
53598a71 | 1366 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1367 | return; |
ef79bbde P |
1368 | } |
1369 | } | |
1370 | ||
1371 | unsigned char cdrRead3(void) { | |
94c118c3 | 1372 | if (cdr.Ctrl & 0x1) |
1373 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1374 | else | |
1375 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1376 | |
1377 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1378 | return psxHu8(0x1803); |
1379 | } | |
1380 | ||
1381 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1382 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1383 | |
94c118c3 | 1384 | switch (cdr.Ctrl & 3) { |
1385 | case 0: | |
a34a2445 | 1386 | break; // transfer |
94c118c3 | 1387 | case 1: |
a34a2445 | 1388 | cdr.Stat &= ~rt; |
1389 | ||
1390 | if (rt & 0x40) | |
1391 | cdr.ParamC = 0; | |
1392 | return; | |
94c118c3 | 1393 | case 2: |
53598a71 | 1394 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1395 | return; |
1396 | case 3: | |
53598a71 | 1397 | if (rt & 0x20) { |
1398 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1399 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1400 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1401 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1402 | } | |
94c118c3 | 1403 | return; |
9f8b032d | 1404 | } |
056d6759 | 1405 | |
94c118c3 | 1406 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1407 | cdr.Readed = 1; |
8e1040b6 | 1408 | pTransfer = cdr.Transfer; |
ef79bbde P |
1409 | |
1410 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1411 | case MODE_SIZE_2328: |
ef79bbde | 1412 | case 0x00: |
8e1040b6 | 1413 | pTransfer += 12; |
ef79bbde | 1414 | break; |
9f8b032d | 1415 | |
1416 | case MODE_SIZE_2340: | |
8e1040b6 | 1417 | pTransfer += 0; |
9f8b032d | 1418 | break; |
1419 | ||
ef79bbde P |
1420 | default: |
1421 | break; | |
1422 | } | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1427 | u32 cdsize; | |
c7071c43 | 1428 | int size; |
ef79bbde P |
1429 | u8 *ptr; |
1430 | ||
ef79bbde | 1431 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1432 | |
1433 | switch (chcr) { | |
1434 | case 0x11000000: | |
1435 | case 0x11400100: | |
1436 | if (cdr.Readed == 0) { | |
ef79bbde | 1437 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1438 | break; |
1439 | } | |
1440 | ||
1441 | cdsize = (bcr & 0xffff) * 4; | |
1442 | ||
9f8b032d | 1443 | // Ape Escape: bcr = 0001 / 0000 |
1444 | // - fix boot | |
1445 | if( cdsize == 0 ) | |
1446 | { | |
cd0c9f5b | 1447 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1448 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1449 | case MODE_SIZE_2328: cdsize = 2328; break; |
1450 | default: | |
1451 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1452 | } |
1453 | } | |
1454 | ||
1455 | ||
ef79bbde P |
1456 | ptr = (u8 *)PSXM(madr); |
1457 | if (ptr == NULL) { | |
ef79bbde | 1458 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1459 | break; |
1460 | } | |
9f8b032d | 1461 | |
1462 | /* | |
1463 | GS CDX: Enhancement CD crash | |
1464 | - Setloc 0:0:0 | |
1465 | - CdlPlay | |
1466 | - Spams DMA3 and gets buffer overrun | |
1467 | */ | |
8e1040b6 | 1468 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1469 | if (size > cdsize) |
1470 | size = cdsize; | |
1471 | if (size > 0) | |
9f8b032d | 1472 | { |
8e1040b6 | 1473 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1474 | } |
1475 | ||
ef79bbde | 1476 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1477 | pTransfer += cdsize; |
9f8b032d | 1478 | |
9f8b032d | 1479 | if( chcr == 0x11400100 ) { |
58ebb94c | 1480 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
9f8b032d | 1481 | CDRDMA_INT( (cdsize/4) / 4 ); |
1482 | } | |
1483 | else if( chcr == 0x11000000 ) { | |
fc4803bd | 1484 | // CDRDMA_INT( (cdsize/4) * 1 ); |
1485 | // halted | |
1486 | psxRegs.cycle += (cdsize/4) * 24/2; | |
1487 | CDRDMA_INT(16); | |
9f8b032d | 1488 | } |
1489 | return; | |
1490 | ||
ef79bbde | 1491 | default: |
ef79bbde | 1492 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1493 | break; |
1494 | } | |
1495 | ||
1496 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1497 | DMA_INTERRUPT(3); | |
1498 | } | |
1499 | ||
9f8b032d | 1500 | void cdrDmaInterrupt() |
1501 | { | |
ad418c19 | 1502 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1503 | { | |
1504 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1505 | DMA_INTERRUPT(3); | |
1506 | } | |
9f8b032d | 1507 | } |
1508 | ||
fffad32e | 1509 | static void getCdInfo(void) |
1510 | { | |
1511 | u8 tmp; | |
1512 | ||
1513 | CDR_getTN(cdr.ResultTN); | |
1514 | CDR_getTD(0, cdr.SetSectorEnd); | |
1515 | tmp = cdr.SetSectorEnd[0]; | |
1516 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1517 | cdr.SetSectorEnd[2] = tmp; | |
1518 | } | |
1519 | ||
ef79bbde P |
1520 | void cdrReset() { |
1521 | memset(&cdr, 0, sizeof(cdr)); | |
1522 | cdr.CurTrack = 1; | |
1523 | cdr.File = 1; | |
1524 | cdr.Channel = 1; | |
a2d3ccb8 | 1525 | cdr.Reg2 = 0x1f; |
1526 | cdr.Stat = NoIntr; | |
80f91a20 | 1527 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1528 | cdr.StatP = STATUS_ROTATING; |
8e1040b6 | 1529 | pTransfer = cdr.Transfer; |
068a6133 | 1530 | cdr.SetlocPending = 0; |
1531 | cdr.m_locationChanged = FALSE; | |
056d6759 | 1532 | |
1533 | // BIOS player - default values | |
53598a71 | 1534 | cdr.AttenuatorLeftToLeft = 0x80; |
1535 | cdr.AttenuatorLeftToRight = 0x00; | |
1536 | cdr.AttenuatorRightToLeft = 0x00; | |
1537 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1538 | |
1539 | getCdInfo(); | |
ef79bbde P |
1540 | } |
1541 | ||
496d88d4 | 1542 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1543 | u32 tmp; |
fffad32e | 1544 | u8 tmpp[3]; |
ef79bbde | 1545 | |
fffad32e | 1546 | if (Mode == 0 && !Config.Cdda) |
1547 | CDR_stop(); | |
9f8b032d | 1548 | |
55b8460a | 1549 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1550 | gzfreeze(&cdr, sizeof(cdr)); |
1551 | ||
94c118c3 | 1552 | if (Mode == 1) { |
1553 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1554 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1555 | } |
ef79bbde P |
1556 | |
1557 | gzfreeze(&tmp, sizeof(tmp)); | |
1558 | ||
42f3c512 | 1559 | if (Mode == 0) { |
fffad32e | 1560 | getCdInfo(); |
1561 | ||
8e1040b6 | 1562 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1563 | |
fffad32e | 1564 | // read right sub data |
0204c39a DS |
1565 | tmpp[0] = btoi(cdr.Prev[0]); |
1566 | tmpp[1] = btoi(cdr.Prev[1]); | |
1567 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1568 | cdr.Prev[0]++; |
73b29eeb | 1569 | ReadTrack(tmpp); |
fffad32e | 1570 | |
1571 | if (cdr.Play) { | |
55b8460a | 1572 | if (cdr.freeze_ver < 0x63647202) |
1573 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1574 | ||
fffad32e | 1575 | Find_CurTrack(cdr.SetSectorPlay); |
1576 | if (!Config.Cdda) | |
1577 | CDR_play(cdr.SetSectorPlay); | |
1578 | } | |
c69642c8 | 1579 | |
1580 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1581 | // old versions did not latch Reg2, have to fixup.. | |
1582 | if (cdr.Reg2 == 0) { | |
1583 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1584 | cdr.Reg2 = 7; | |
1585 | } | |
0f2dee0f | 1586 | // also did not save Attenuator.. |
1587 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1588 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1589 | { | |
1590 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1591 | } | |
c69642c8 | 1592 | } |
42f3c512 | 1593 | } |
1594 | ||
ef79bbde P |
1595 | return 0; |
1596 | } | |
9f8b032d | 1597 | |
1598 | void LidInterrupt() { | |
fffad32e | 1599 | getCdInfo(); |
fffad32e | 1600 | StopCdda(); |
80f91a20 | 1601 | cdrLidSeekInterrupt(); |
9f8b032d | 1602 | } |