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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" |
ef79bbde | 27 | |
8b380e97 | 28 | /* logging */ |
29 | #if 0 | |
30 | #define CDR_LOG SysPrintf | |
31 | #else | |
32 | #define CDR_LOG(...) | |
33 | #endif | |
34 | #if 0 | |
35 | #define CDR_LOG_I SysPrintf | |
36 | #else | |
37 | #define CDR_LOG_I(...) | |
38 | #endif | |
39 | #if 0 | |
40 | #define CDR_LOG_IO SysPrintf | |
41 | #else | |
42 | #define CDR_LOG_IO(...) | |
43 | #endif | |
44 | //#define CDR_LOG_CMD_IRQ | |
45 | ||
ef79bbde | 46 | cdrStruct cdr; |
8e1040b6 | 47 | static unsigned char *pTransfer; |
ef79bbde P |
48 | |
49 | /* CD-ROM magic numbers */ | |
50 | #define CdlSync 0 | |
51 | #define CdlNop 1 | |
52 | #define CdlSetloc 2 | |
53 | #define CdlPlay 3 | |
54 | #define CdlForward 4 | |
55 | #define CdlBackward 5 | |
56 | #define CdlReadN 6 | |
57 | #define CdlStandby 7 | |
58 | #define CdlStop 8 | |
59 | #define CdlPause 9 | |
60 | #define CdlInit 10 | |
61 | #define CdlMute 11 | |
62 | #define CdlDemute 12 | |
63 | #define CdlSetfilter 13 | |
64 | #define CdlSetmode 14 | |
65 | #define CdlGetmode 15 | |
66 | #define CdlGetlocL 16 | |
67 | #define CdlGetlocP 17 | |
68 | #define CdlReadT 18 | |
69 | #define CdlGetTN 19 | |
70 | #define CdlGetTD 20 | |
71 | #define CdlSeekL 21 | |
72 | #define CdlSeekP 22 | |
73 | #define CdlSetclock 23 | |
74 | #define CdlGetclock 24 | |
75 | #define CdlTest 25 | |
76 | #define CdlID 26 | |
77 | #define CdlReadS 27 | |
78 | #define CdlReset 28 | |
e4268a49 | 79 | #define CdlGetQ 29 |
ef79bbde P |
80 | #define CdlReadToc 30 |
81 | ||
ef79bbde P |
82 | char *CmdName[0x100]= { |
83 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", | |
84 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
85 | "CdlStop", "CdlPause", "CdlInit", "CdlMute", | |
86 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", | |
87 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", | |
88 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
89 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
90 | "CdlReset", NULL, "CDlReadToc", NULL | |
91 | }; | |
92 | ||
93 | unsigned char Test04[] = { 0 }; | |
94 | unsigned char Test05[] = { 0 }; | |
95 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
96 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
97 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
98 | ||
9f8b032d | 99 | // cdr.Stat: |
100 | #define NoIntr 0 | |
101 | #define DataReady 1 | |
102 | #define Complete 2 | |
103 | #define Acknowledge 3 | |
104 | #define DataEnd 4 | |
105 | #define DiskError 5 | |
106 | ||
107 | /* Modes flags */ | |
108 | #define MODE_SPEED (1<<7) // 0x80 | |
109 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
110 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
111 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 112 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 113 | #define MODE_SF (1<<3) // 0x08 channel on/off |
114 | #define MODE_REPORT (1<<2) // 0x04 | |
115 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
116 | #define MODE_CDDA (1<<0) // 0x01 | |
117 | ||
118 | /* Status flags */ | |
119 | #define STATUS_PLAY (1<<7) // 0x80 | |
120 | #define STATUS_SEEK (1<<6) // 0x40 | |
121 | #define STATUS_READ (1<<5) // 0x20 | |
122 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
123 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
124 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
125 | #define STATUS_ROTATING (1<<1) // 0x02 | |
126 | #define STATUS_ERROR (1<<0) // 0x01 | |
127 | ||
e4268a49 | 128 | /* Errors */ |
129 | #define ERROR_NOT_READY (1<<7) // 0x80 | |
130 | #define ERROR_INVALIDCMD (1<<6) // 0x40 | |
131 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 132 | |
ef79bbde P |
133 | // 1x = 75 sectors per second |
134 | // PSXCLK = 1 sec in the ps | |
135 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
136 | #define cdReadTime (PSXCLK / 75) | |
137 | ||
80f91a20 | 138 | enum drive_state { |
139 | DRIVESTATE_STANDBY = 0, | |
140 | DRIVESTATE_LID_OPEN, | |
141 | DRIVESTATE_RESCAN_CD, | |
142 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 143 | DRIVESTATE_STOPPED, |
80f91a20 | 144 | }; |
145 | ||
39df67df | 146 | // for cdr.Seeked |
147 | enum seeked_state { | |
148 | SEEK_PENDING = 0, | |
149 | SEEK_DONE = 1, | |
39df67df | 150 | }; |
151 | ||
ef79bbde | 152 | static struct CdrStat stat; |
ef79bbde | 153 | |
fffad32e | 154 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 155 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
156 | } | |
157 | ||
fffad32e | 158 | // for that weird psemu API.. |
159 | static unsigned int fsm2sec(const u8 *msf) { | |
160 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
161 | } | |
162 | ||
305c8c93 | 163 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 164 | msf[0] = s / 75 / 60; |
165 | s = s - msf[0] * 75 * 60; | |
166 | msf[1] = s / 75; | |
167 | s = s - msf[1] * 75; | |
168 | msf[2] = s; | |
169 | } | |
170 | ||
39df67df | 171 | // cdrInterrupt |
ef79bbde | 172 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 173 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
174 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
175 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
176 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 177 | } |
ef79bbde | 178 | |
39df67df | 179 | // cdrReadInterrupt |
ef79bbde | 180 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 181 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
182 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
183 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
184 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 185 | } |
ef79bbde | 186 | |
39df67df | 187 | // cdrLidSeekInterrupt |
9f8b032d | 188 | #define CDRLID_INT(eCycle) { \ |
189 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
190 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
191 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
192 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
193 | } | |
194 | ||
39df67df | 195 | // cdrPlayInterrupt |
196 | #define CDRMISC_INT(eCycle) { \ | |
7f457614 | 197 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
198 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
199 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
200 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
201 | } | |
202 | ||
ef79bbde P |
203 | #define StopReading() { \ |
204 | if (cdr.Reading) { \ | |
205 | cdr.Reading = 0; \ | |
d28b54b1 | 206 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
ef79bbde | 207 | } \ |
9ffe8d5c | 208 | cdr.StatP &= ~(STATUS_READ|STATUS_SEEK);\ |
ef79bbde P |
209 | } |
210 | ||
211 | #define StopCdda() { \ | |
212 | if (cdr.Play) { \ | |
213 | if (!Config.Cdda) CDR_stop(); \ | |
9f8b032d | 214 | cdr.StatP &= ~STATUS_PLAY; \ |
ef79bbde | 215 | cdr.Play = FALSE; \ |
9f8b032d | 216 | cdr.FastForward = 0; \ |
217 | cdr.FastBackward = 0; \ | |
218 | /*SPU_registerCallback( SPUirq );*/ \ | |
ef79bbde P |
219 | } \ |
220 | } | |
221 | ||
222 | #define SetResultSize(size) { \ | |
94c118c3 | 223 | cdr.ResultP = 0; \ |
ef79bbde P |
224 | cdr.ResultC = size; \ |
225 | cdr.ResultReady = 1; \ | |
226 | } | |
227 | ||
94c118c3 | 228 | static void setIrq(void) |
229 | { | |
230 | if (cdr.Stat & cdr.Reg2) | |
231 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
232 | } | |
9f8b032d | 233 | |
80f91a20 | 234 | // timing used in this function was taken from tests on real hardware |
235 | // (yes it's slow, but you probably don't want to modify it) | |
9f8b032d | 236 | void cdrLidSeekInterrupt() |
237 | { | |
80f91a20 | 238 | switch (cdr.DriveState) { |
239 | default: | |
240 | case DRIVESTATE_STANDBY: | |
9f8b032d | 241 | cdr.StatP &= ~STATUS_SEEK; |
242 | ||
80f91a20 | 243 | if (CDR_getStatus(&stat) == -1) |
244 | return; | |
9f8b032d | 245 | |
80f91a20 | 246 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 247 | { |
80f91a20 | 248 | StopCdda(); |
249 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
250 | CDRLID_INT(0x800); | |
251 | } | |
252 | break; | |
9f8b032d | 253 | |
80f91a20 | 254 | case DRIVESTATE_LID_OPEN: |
255 | if (CDR_getStatus(&stat) == -1) | |
256 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 257 | |
80f91a20 | 258 | // 02, 12, 10 |
259 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
260 | StopReading(); | |
261 | cdr.StatP |= STATUS_SHELLOPEN; | |
9f8b032d | 262 | |
80f91a20 | 263 | // could generate error irq here, but real hardware |
264 | // only sometimes does that | |
265 | // (not done when lots of commands are sent?) | |
9f8b032d | 266 | |
80f91a20 | 267 | CDRLID_INT(cdReadTime * 30); |
268 | break; | |
9f8b032d | 269 | } |
80f91a20 | 270 | else if (cdr.StatP & STATUS_ROTATING) { |
271 | cdr.StatP &= ~STATUS_ROTATING; | |
272 | } | |
273 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
274 | // closed now | |
275 | CheckCdrom(); | |
9f8b032d | 276 | |
80f91a20 | 277 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
278 | // and is only cleared by CdlNop | |
9f8b032d | 279 | |
80f91a20 | 280 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
281 | CDRLID_INT(cdReadTime * 105); | |
282 | break; | |
283 | } | |
9f8b032d | 284 | |
80f91a20 | 285 | // recheck for close |
286 | CDRLID_INT(cdReadTime * 3); | |
287 | break; | |
9f8b032d | 288 | |
80f91a20 | 289 | case DRIVESTATE_RESCAN_CD: |
290 | cdr.StatP |= STATUS_ROTATING; | |
291 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 292 | |
80f91a20 | 293 | // this is very long on real hardware, over 6 seconds |
294 | // make it a bit faster here... | |
295 | CDRLID_INT(cdReadTime * 150); | |
296 | break; | |
9f8b032d | 297 | |
80f91a20 | 298 | case DRIVESTATE_PREPARE_CD: |
299 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 300 | |
80f91a20 | 301 | cdr.DriveState = DRIVESTATE_STANDBY; |
302 | CDRLID_INT(cdReadTime * 26); | |
303 | break; | |
9f8b032d | 304 | } |
305 | } | |
306 | ||
fffad32e | 307 | static void Find_CurTrack(const u8 *time) |
308 | { | |
309 | int current, sect; | |
9f8b032d | 310 | |
fffad32e | 311 | current = msf2sec(time); |
9f8b032d | 312 | |
fffad32e | 313 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
314 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
315 | sect = fsm2sec(cdr.ResultTD); | |
316 | if (sect - current >= 150) | |
9f8b032d | 317 | break; |
9f8b032d | 318 | } |
319 | } | |
320 | ||
73b29eeb | 321 | static void generate_subq(const u8 *time) |
322 | { | |
323 | unsigned char start[3], next[3]; | |
324 | unsigned int this_s, start_s, next_s, pregap; | |
325 | int relative_s; | |
326 | ||
327 | CDR_getTD(cdr.CurTrack, start); | |
328 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
329 | pregap = 150; | |
330 | CDR_getTD(cdr.CurTrack + 1, next); | |
331 | } | |
332 | else { | |
333 | // last track - cd size | |
334 | pregap = 0; | |
335 | next[0] = cdr.SetSectorEnd[2]; | |
336 | next[1] = cdr.SetSectorEnd[1]; | |
337 | next[2] = cdr.SetSectorEnd[0]; | |
338 | } | |
339 | ||
340 | this_s = msf2sec(time); | |
341 | start_s = fsm2sec(start); | |
342 | next_s = fsm2sec(next); | |
343 | ||
344 | cdr.TrackChanged = FALSE; | |
345 | ||
346 | if (next_s - this_s < pregap) { | |
347 | cdr.TrackChanged = TRUE; | |
348 | cdr.CurTrack++; | |
349 | start_s = next_s; | |
350 | } | |
351 | ||
352 | cdr.subq.Index = 1; | |
353 | ||
354 | relative_s = this_s - start_s; | |
355 | if (relative_s < 0) { | |
356 | cdr.subq.Index = 0; | |
357 | relative_s = -relative_s; | |
358 | } | |
359 | sec2msf(relative_s, cdr.subq.Relative); | |
360 | ||
361 | cdr.subq.Track = itob(cdr.CurTrack); | |
362 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
363 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
364 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
365 | cdr.subq.Absolute[0] = itob(time[0]); | |
366 | cdr.subq.Absolute[1] = itob(time[1]); | |
367 | cdr.subq.Absolute[2] = itob(time[2]); | |
368 | } | |
369 | ||
370 | static void ReadTrack(const u8 *time) { | |
fffad32e | 371 | unsigned char tmp[3]; |
372 | struct SubQ *subq; | |
373 | u16 crc; | |
ef79bbde | 374 | |
fffad32e | 375 | tmp[0] = itob(time[0]); |
376 | tmp[1] = itob(time[1]); | |
377 | tmp[2] = itob(time[2]); | |
ef79bbde | 378 | |
fffad32e | 379 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
380 | return; | |
39df67df | 381 | |
fffad32e | 382 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 383 | |
fffad32e | 384 | cdr.RErr = CDR_readTrack(tmp); |
385 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 386 | |
fffad32e | 387 | if (CheckSBI(time)) |
388 | return; | |
9f8b032d | 389 | |
fffad32e | 390 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 391 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 392 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 393 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 394 | cdr.subq.Track = subq->TrackNumber; |
395 | cdr.subq.Index = subq->IndexNumber; | |
396 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
397 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 398 | } |
92ca1ba6 | 399 | else { |
73b29eeb | 400 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 401 | tmp[0], tmp[1], tmp[2]); |
402 | } | |
9f8b032d | 403 | } |
fffad32e | 404 | else { |
73b29eeb | 405 | generate_subq(time); |
9f8b032d | 406 | } |
9f8b032d | 407 | |
fffad32e | 408 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
409 | cdr.subq.Track, cdr.subq.Index, | |
410 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
411 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
412 | } | |
9f8b032d | 413 | |
e4268a49 | 414 | static void AddIrqQueue(unsigned short irq, unsigned long ecycle) { |
415 | if (cdr.Irq != 0) { | |
416 | if (irq == cdr.Irq || irq + 0x100 == cdr.Irq) { | |
417 | cdr.IrqRepeated = 1; | |
418 | CDR_INT(ecycle); | |
419 | return; | |
420 | } | |
421 | ||
fffad32e | 422 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); |
e4268a49 | 423 | } |
9f8b032d | 424 | |
fffad32e | 425 | cdr.Irq = irq; |
426 | cdr.eCycle = ecycle; | |
9f8b032d | 427 | |
fffad32e | 428 | CDR_INT(ecycle); |
ef79bbde P |
429 | } |
430 | ||
7f457614 | 431 | static void cdrPlayInterrupt_Autopause() |
432 | { | |
fffad32e | 433 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 434 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 435 | |
436 | // Magic the Gathering | |
437 | // - looping territory cdda | |
438 | ||
439 | // ...? | |
440 | //cdr.ResultReady = 1; | |
441 | //cdr.Stat = DataReady; | |
442 | cdr.Stat = DataEnd; | |
94c118c3 | 443 | setIrq(); |
7f457614 | 444 | |
445 | StopCdda(); | |
446 | } | |
a02ee86f | 447 | else if (cdr.Mode & MODE_REPORT) { |
7f457614 | 448 | |
fffad32e | 449 | cdr.Result[0] = cdr.StatP; |
450 | cdr.Result[1] = cdr.subq.Track; | |
451 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 452 | |
fffad32e | 453 | if (cdr.subq.Absolute[2] & 0x10) { |
454 | cdr.Result[3] = cdr.subq.Relative[0]; | |
455 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
456 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 457 | } |
fffad32e | 458 | else { |
459 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
460 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
461 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
462 | } | |
463 | ||
464 | cdr.Result[6] = 0; | |
465 | cdr.Result[7] = 0; | |
7f457614 | 466 | |
467 | // Rayman: Logo freeze (resultready + dataready) | |
468 | cdr.ResultReady = 1; | |
469 | cdr.Stat = DataReady; | |
470 | ||
471 | SetResultSize(8); | |
94c118c3 | 472 | setIrq(); |
7f457614 | 473 | } |
474 | } | |
475 | ||
39df67df | 476 | // also handles seek |
7f457614 | 477 | void cdrPlayInterrupt() |
478 | { | |
892bd7d4 | 479 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 480 | if (cdr.Stat) { |
8b380e97 | 481 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 482 | CDRMISC_INT(0x1000); |
483 | return; | |
484 | } | |
39df67df | 485 | SetResultSize(1); |
486 | cdr.StatP |= STATUS_ROTATING; | |
487 | cdr.StatP &= ~STATUS_SEEK; | |
488 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 489 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 490 | if (cdr.Irq == 0) { |
39df67df | 491 | cdr.Stat = Complete; |
94c118c3 | 492 | setIrq(); |
39df67df | 493 | } |
494 | ||
55b8460a | 495 | if (cdr.SetlocPending) { |
496 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
497 | cdr.SetlocPending = 0; | |
498 | } | |
fffad32e | 499 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 500 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 501 | cdr.TrackChanged = FALSE; |
39df67df | 502 | } |
503 | ||
504 | if (!cdr.Play) return; | |
7f457614 | 505 | |
7f457614 | 506 | CDR_LOG( "CDDA - %d:%d:%d\n", |
507 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 508 | |
fffad32e | 509 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
510 | StopCdda(); | |
511 | cdr.TrackChanged = TRUE; | |
512 | } | |
7f457614 | 513 | |
892bd7d4 | 514 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 515 | cdrPlayInterrupt_Autopause(); |
516 | ||
fffad32e | 517 | if (!cdr.Play) return; |
518 | ||
7f457614 | 519 | cdr.SetSectorPlay[2]++; |
520 | if (cdr.SetSectorPlay[2] == 75) { | |
521 | cdr.SetSectorPlay[2] = 0; | |
522 | cdr.SetSectorPlay[1]++; | |
523 | if (cdr.SetSectorPlay[1] == 60) { | |
524 | cdr.SetSectorPlay[1] = 0; | |
525 | cdr.SetSectorPlay[0]++; | |
526 | } | |
527 | } | |
528 | ||
fffad32e | 529 | CDRMISC_INT(cdReadTime); |
530 | ||
531 | // update for CdlGetlocP/autopause | |
73b29eeb | 532 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 533 | } |
534 | ||
ef79bbde | 535 | void cdrInterrupt() { |
e4268a49 | 536 | u16 Irq = cdr.Irq; |
537 | int no_busy_error = 0; | |
538 | int start_rotating = 0; | |
539 | int error = 0; | |
540 | int delay; | |
ef79bbde | 541 | |
9f8b032d | 542 | // Reschedule IRQ |
ef79bbde | 543 | if (cdr.Stat) { |
8b380e97 | 544 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 545 | CDR_INT(0x1000); |
ef79bbde P |
546 | return; |
547 | } | |
548 | ||
ef79bbde P |
549 | cdr.Ctrl &= ~0x80; |
550 | ||
e4268a49 | 551 | // default response |
552 | SetResultSize(1); | |
553 | cdr.Result[0] = cdr.StatP; | |
554 | cdr.Stat = Acknowledge; | |
555 | ||
556 | if (cdr.IrqRepeated) { | |
557 | cdr.IrqRepeated = 0; | |
558 | if (cdr.eCycle > psxRegs.cycle) { | |
559 | CDR_INT(cdr.eCycle); | |
560 | goto finish; | |
561 | } | |
562 | } | |
563 | ||
564 | cdr.Irq = 0; | |
565 | ||
ef79bbde P |
566 | switch (Irq) { |
567 | case CdlSync: | |
e4268a49 | 568 | // TOOD: sometimes/always return error? |
ef79bbde P |
569 | break; |
570 | ||
571 | case CdlNop: | |
80f91a20 | 572 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
573 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 574 | no_busy_error = 1; |
ef79bbde P |
575 | break; |
576 | ||
577 | case CdlSetloc: | |
ef79bbde P |
578 | break; |
579 | ||
55b8460a | 580 | do_CdlPlay: |
ef79bbde | 581 | case CdlPlay: |
030bd76a | 582 | StopCdda(); |
39df67df | 583 | if (cdr.Seeked == SEEK_PENDING) { |
584 | // XXX: wrong, should seek instead.. | |
39df67df | 585 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 586 | } |
55b8460a | 587 | if (cdr.SetlocPending) { |
588 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
589 | cdr.SetlocPending = 0; | |
590 | } | |
9f8b032d | 591 | |
2d5ca6c0 | 592 | // BIOS CD Player |
593 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
594 | ||
595 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
596 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
597 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
598 | } | |
599 | else | |
600 | { | |
601 | int track = btoi( cdr.Param[0] ); | |
602 | ||
603 | if (track <= cdr.ResultTN[1]) | |
604 | cdr.CurTrack = track; | |
605 | ||
606 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
607 | ||
608 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
609 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
610 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
611 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
612 | } | |
613 | } | |
614 | ||
9f8b032d | 615 | /* |
616 | Rayman: detect track changes | |
617 | - fixes logo freeze | |
618 | ||
619 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
620 | - plays tracks without retry play | |
621 | ||
622 | Wild 9: skip PREGAP + starting accurate SubQ | |
623 | - plays tracks without retry play | |
624 | */ | |
fffad32e | 625 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 626 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 627 | cdr.TrackChanged = FALSE; |
9f8b032d | 628 | |
2d5ca6c0 | 629 | if (!Config.Cdda) |
630 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 631 | |
632 | // Vib Ribbon: gameplay checks flag | |
633 | cdr.StatP &= ~STATUS_SEEK; | |
ef79bbde | 634 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 635 | |
636 | cdr.StatP |= STATUS_PLAY; | |
9f8b032d | 637 | |
638 | // BIOS player - set flag again | |
639 | cdr.Play = TRUE; | |
640 | ||
39df67df | 641 | CDRMISC_INT( cdReadTime ); |
e4268a49 | 642 | start_rotating = 1; |
ef79bbde P |
643 | break; |
644 | ||
9f8b032d | 645 | case CdlForward: |
e4268a49 | 646 | // TODO: error 80 if stopped |
9f8b032d | 647 | cdr.Stat = Complete; |
648 | ||
9f8b032d | 649 | // GameShark CD Player: Calls 2x + Play 2x |
650 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; | |
651 | else cdr.FastForward++; | |
652 | ||
653 | cdr.FastBackward = 0; | |
ef79bbde P |
654 | break; |
655 | ||
9f8b032d | 656 | case CdlBackward: |
9f8b032d | 657 | cdr.Stat = Complete; |
658 | ||
9f8b032d | 659 | // GameShark CD Player: Calls 2x + Play 2x |
660 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; | |
661 | else cdr.FastBackward++; | |
662 | ||
663 | cdr.FastForward = 0; | |
ef79bbde P |
664 | break; |
665 | ||
9f8b032d | 666 | case CdlStandby: |
e4268a49 | 667 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
668 | error = ERROR_INVALIDARG; | |
669 | goto set_error; | |
670 | } | |
671 | AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2); | |
672 | start_rotating = 1; | |
673 | break; | |
674 | ||
675 | case CdlStandby + 0x100: | |
ef79bbde P |
676 | cdr.Stat = Complete; |
677 | break; | |
678 | ||
679 | case CdlStop: | |
030bd76a | 680 | if (cdr.Play) { |
681 | // grab time for current track | |
682 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
683 | ||
684 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
685 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
686 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
687 | } | |
688 | ||
689 | StopCdda(); | |
690 | StopReading(); | |
691 | ||
e4268a49 | 692 | delay = 0x800; |
693 | if (cdr.DriveState == DRIVESTATE_STANDBY) | |
694 | delay = cdReadTime * 30 / 2; | |
695 | ||
696 | cdr.DriveState = DRIVESTATE_STOPPED; | |
697 | AddIrqQueue(CdlStop + 0x100, delay); | |
698 | break; | |
699 | ||
700 | case CdlStop + 0x100: | |
9f8b032d | 701 | cdr.StatP &= ~STATUS_ROTATING; |
ef79bbde P |
702 | cdr.Result[0] = cdr.StatP; |
703 | cdr.Stat = Complete; | |
ef79bbde P |
704 | break; |
705 | ||
706 | case CdlPause: | |
12228917 | 707 | /* |
708 | Gundam Battle Assault 2: much slower (*) | |
709 | - Fixes boot, gameplay | |
710 | ||
711 | Hokuto no Ken 2: slower | |
712 | - Fixes intro + subtitles | |
713 | ||
714 | InuYasha - Feudal Fairy Tale: slower | |
715 | - Fixes battles | |
716 | */ | |
e4268a49 | 717 | AddIrqQueue(CdlPause + 0x100, cdReadTime * 3); |
ef79bbde P |
718 | cdr.Ctrl |= 0x80; |
719 | break; | |
720 | ||
e4268a49 | 721 | case CdlPause + 0x100: |
9f8b032d | 722 | cdr.StatP &= ~STATUS_READ; |
ef79bbde | 723 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 724 | cdr.Stat = Complete; |
ef79bbde P |
725 | break; |
726 | ||
9f8b032d | 727 | case CdlInit: |
e4268a49 | 728 | AddIrqQueue(CdlInit + 0x100, cdReadTime * 6); |
729 | no_busy_error = 1; | |
730 | start_rotating = 1; | |
731 | break; | |
732 | ||
733 | case CdlInit + 0x100: | |
9f8b032d | 734 | cdr.Stat = Complete; |
ef79bbde P |
735 | break; |
736 | ||
9f8b032d | 737 | case CdlMute: |
030bd76a | 738 | cdr.Muted = TRUE; |
ef79bbde P |
739 | break; |
740 | ||
9f8b032d | 741 | case CdlDemute: |
030bd76a | 742 | cdr.Muted = FALSE; |
ef79bbde P |
743 | break; |
744 | ||
9f8b032d | 745 | case CdlSetfilter: |
030bd76a | 746 | cdr.File = cdr.Param[0]; |
747 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 748 | break; |
ef79bbde P |
749 | |
750 | case CdlSetmode: | |
e4268a49 | 751 | no_busy_error = 1; |
9f8b032d | 752 | break; |
ef79bbde | 753 | |
9f8b032d | 754 | case CdlGetmode: |
ef79bbde | 755 | SetResultSize(6); |
9f8b032d | 756 | cdr.Result[1] = cdr.Mode; |
757 | cdr.Result[2] = cdr.File; | |
758 | cdr.Result[3] = cdr.Channel; | |
759 | cdr.Result[4] = 0; | |
760 | cdr.Result[5] = 0; | |
e4268a49 | 761 | no_busy_error = 1; |
9f8b032d | 762 | break; |
ef79bbde | 763 | |
9f8b032d | 764 | case CdlGetlocL: |
ef79bbde | 765 | SetResultSize(8); |
e4268a49 | 766 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 767 | break; |
ef79bbde P |
768 | |
769 | case CdlGetlocP: | |
fffad32e | 770 | SetResultSize(8); |
771 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 772 | |
892bd7d4 | 773 | if (!cdr.Play && !cdr.Reading) |
774 | cdr.Result[1] = 0; // HACK? | |
e4268a49 | 775 | break; |
892bd7d4 | 776 | |
e4268a49 | 777 | case CdlReadT: // SetSession? |
778 | // really long | |
779 | AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4); | |
780 | start_rotating = 1; | |
781 | break; | |
782 | ||
783 | case CdlReadT + 0x100: | |
784 | cdr.Stat = Complete; | |
ef79bbde P |
785 | break; |
786 | ||
9f8b032d | 787 | case CdlGetTN: |
ef79bbde | 788 | SetResultSize(3); |
9f8b032d | 789 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 790 | cdr.Stat = DiskError; |
9f8b032d | 791 | cdr.Result[0] |= STATUS_ERROR; |
792 | } else { | |
793 | cdr.Stat = Acknowledge; | |
794 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
795 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
796 | } | |
797 | break; | |
ef79bbde | 798 | |
9f8b032d | 799 | case CdlGetTD: |
ef79bbde P |
800 | cdr.Track = btoi(cdr.Param[0]); |
801 | SetResultSize(4); | |
ef79bbde P |
802 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
803 | cdr.Stat = DiskError; | |
9f8b032d | 804 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
805 | } else { |
806 | cdr.Stat = Acknowledge; | |
807 | cdr.Result[0] = cdr.StatP; | |
808 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
809 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
810 | cdr.Result[3] = itob(cdr.ResultTD[0]); | |
811 | } | |
812 | break; | |
813 | ||
9f8b032d | 814 | case CdlSeekL: |
39df67df | 815 | case CdlSeekP: |
030bd76a | 816 | StopCdda(); |
817 | StopReading(); | |
9f8b032d | 818 | cdr.StatP |= STATUS_SEEK; |
9f8b032d | 819 | |
820 | /* | |
821 | Crusaders of Might and Magic = 0.5x-4x | |
822 | - fix cutscene speech start | |
823 | ||
824 | Eggs of Steel = 2x-? | |
825 | - fix new game | |
826 | ||
827 | Medievil = ?-4x | |
828 | - fix cutscene speech | |
829 | ||
830 | Rockman X5 = 0.5-4x | |
831 | - fix capcom logo | |
832 | */ | |
39df67df | 833 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 834 | cdr.Seeked = SEEK_PENDING; |
e4268a49 | 835 | start_rotating = 1; |
ef79bbde P |
836 | break; |
837 | ||
838 | case CdlTest: | |
9f8b032d | 839 | switch (cdr.Param[0]) { |
840 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
841 | SetResultSize(4); |
842 | memcpy(cdr.Result, Test20, 4); | |
843 | break; | |
844 | case 0x22: | |
845 | SetResultSize(8); | |
846 | memcpy(cdr.Result, Test22, 4); | |
847 | break; | |
848 | case 0x23: case 0x24: | |
849 | SetResultSize(8); | |
850 | memcpy(cdr.Result, Test23, 4); | |
851 | break; | |
9f8b032d | 852 | } |
e4268a49 | 853 | no_busy_error = 1; |
ef79bbde P |
854 | break; |
855 | ||
9f8b032d | 856 | case CdlID: |
e4268a49 | 857 | AddIrqQueue(CdlID + 0x100, 20480); |
ef79bbde P |
858 | break; |
859 | ||
e4268a49 | 860 | case CdlID + 0x100: |
ef79bbde | 861 | SetResultSize(8); |
89ec56af | 862 | cdr.Result[0] = cdr.StatP; |
863 | cdr.Result[1] = 0; | |
864 | cdr.Result[2] = 0; | |
865 | cdr.Result[3] = 0; | |
9f8b032d | 866 | |
d8432250 | 867 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
868 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
869 | cdr.Result[1] = 0xc0; | |
9f8b032d | 870 | } |
871 | else { | |
89ec56af | 872 | if (stat.Type == 2) |
873 | cdr.Result[1] |= 0x10; | |
874 | if (CdromId[0] == '\0') | |
9f8b032d | 875 | cdr.Result[1] |= 0x80; |
9f8b032d | 876 | } |
89ec56af | 877 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 878 | |
ef79bbde P |
879 | strncpy((char *)&cdr.Result[4], "PCSX", 4); |
880 | cdr.Stat = Complete; | |
881 | break; | |
882 | ||
883 | case CdlReset: | |
e4268a49 | 884 | // yes, it really sets STATUS_SHELLOPEN |
885 | cdr.StatP |= STATUS_SHELLOPEN; | |
886 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
887 | CDRLID_INT(20480); | |
888 | no_busy_error = 1; | |
889 | start_rotating = 1; | |
9f8b032d | 890 | break; |
891 | ||
e4268a49 | 892 | case CdlGetQ: |
893 | // TODO? | |
894 | CDR_LOG_I("got CdlGetQ\n"); | |
9f8b032d | 895 | break; |
896 | ||
897 | case CdlReadToc: | |
e4268a49 | 898 | AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4); |
899 | no_busy_error = 1; | |
900 | start_rotating = 1; | |
ef79bbde P |
901 | break; |
902 | ||
e4268a49 | 903 | case CdlReadToc + 0x100: |
9f8b032d | 904 | cdr.Stat = Complete; |
e4268a49 | 905 | no_busy_error = 1; |
ef79bbde P |
906 | break; |
907 | ||
94c118c3 | 908 | case CdlReadN: |
909 | case CdlReadS: | |
55b8460a | 910 | if (cdr.SetlocPending) { |
911 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
912 | cdr.SetlocPending = 0; | |
913 | } | |
914 | Find_CurTrack(cdr.SetSectorPlay); | |
915 | ||
916 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
917 | // Read* acts as play for cdda tracks in cdda mode | |
918 | goto do_CdlPlay; | |
919 | ||
030bd76a | 920 | cdr.Reading = 1; |
921 | cdr.FirstSector = 1; | |
ef79bbde | 922 | |
9f8b032d | 923 | // Fighting Force 2 - update subq time immediately |
924 | // - fixes new game | |
55b8460a | 925 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 926 | |
927 | ||
928 | // Crusaders of Might and Magic - update getlocl now | |
929 | // - fixes cutscene speech | |
930 | { | |
931 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 932 | if (buf != NULL) |
933 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 934 | } |
39df67df | 935 | |
9f8b032d | 936 | /* |
937 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
938 | - fixes cutscenes | |
914722b2 | 939 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 940 | */ |
941 | ||
39df67df | 942 | if (cdr.Seeked != SEEK_DONE) { |
9f8b032d | 943 | cdr.StatP |= STATUS_SEEK; |
944 | cdr.StatP &= ~STATUS_READ; | |
945 | ||
946 | // Crusaders of Might and Magic - use short time | |
947 | // - fix cutscene speech (startup) | |
948 | ||
949 | // ??? - use more accurate seek time later | |
950 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
951 | } else { | |
952 | cdr.StatP |= STATUS_READ; | |
953 | cdr.StatP &= ~STATUS_SEEK; | |
954 | ||
955 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
956 | } | |
ef79bbde | 957 | |
9f8b032d | 958 | cdr.Result[0] = cdr.StatP; |
e4268a49 | 959 | start_rotating = 1; |
ef79bbde P |
960 | break; |
961 | ||
ef79bbde | 962 | default: |
e4268a49 | 963 | CDR_LOG_I("Invalid command: %02x\n", Irq); |
964 | error = ERROR_INVALIDCMD; | |
965 | // FALLTHROUGH | |
966 | ||
967 | set_error: | |
968 | SetResultSize(2); | |
969 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
970 | cdr.Result[1] = error; | |
971 | cdr.Stat = DiskError; | |
ef79bbde P |
972 | break; |
973 | } | |
974 | ||
e4268a49 | 975 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
976 | cdr.DriveState = DRIVESTATE_STANDBY; | |
977 | cdr.StatP |= STATUS_ROTATING; | |
978 | } | |
979 | ||
980 | if (!no_busy_error) { | |
80f91a20 | 981 | switch (cdr.DriveState) { |
982 | case DRIVESTATE_LID_OPEN: | |
983 | case DRIVESTATE_RESCAN_CD: | |
984 | case DRIVESTATE_PREPARE_CD: | |
985 | SetResultSize(2); | |
986 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
e4268a49 | 987 | cdr.Result[1] = ERROR_NOT_READY; |
80f91a20 | 988 | cdr.Stat = DiskError; |
989 | break; | |
990 | } | |
991 | } | |
9f8b032d | 992 | |
e4268a49 | 993 | finish: |
94c118c3 | 994 | setIrq(); |
e4268a49 | 995 | cdr.ParamC = 0; |
ef79bbde | 996 | |
8b380e97 | 997 | #ifdef CDR_LOG_CMD_IRQ |
e4268a49 | 998 | { |
999 | int i; | |
1000 | SysPrintf("CDR IRQ %d cmd %02x stat %02x: ", | |
1001 | !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat); | |
1002 | for (i = 0; i < cdr.ResultC; i++) | |
1003 | SysPrintf("%02x ", cdr.Result[i]); | |
1004 | SysPrintf("\n"); | |
1005 | } | |
ef79bbde P |
1006 | #endif |
1007 | } | |
1008 | ||
53598a71 | 1009 | #ifdef __ARM_ARCH_7A__ |
1010 | #define ssat32_to_16(v) \ | |
1011 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1012 | #else | |
1013 | #define ssat32_to_16(v) do { \ | |
1014 | if (v < -32768) v = -32768; \ | |
1015 | else if (v > 32767) v = 32767; \ | |
1016 | } while (0) | |
1017 | #endif | |
1018 | ||
1019 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1020 | { | |
1021 | int i, l, r; | |
1022 | int ll = cdr.AttenuatorLeftToLeft; | |
1023 | int lr = cdr.AttenuatorLeftToRight; | |
1024 | int rl = cdr.AttenuatorRightToLeft; | |
1025 | int rr = cdr.AttenuatorRightToRight; | |
1026 | ||
1027 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1028 | return; | |
1029 | ||
1030 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1031 | return; | |
1032 | ||
1033 | if (stereo) { | |
1034 | for (i = 0; i < samples; i++) { | |
1035 | l = buf[i * 2]; | |
1036 | r = buf[i * 2 + 1]; | |
1037 | l = (l * ll + r * rl) >> 7; | |
1038 | r = (r * rr + l * lr) >> 7; | |
1039 | ssat32_to_16(l); | |
1040 | ssat32_to_16(r); | |
1041 | buf[i * 2] = l; | |
1042 | buf[i * 2 + 1] = r; | |
1043 | } | |
1044 | } | |
1045 | else { | |
1046 | for (i = 0; i < samples; i++) { | |
1047 | l = buf[i]; | |
1048 | l = l * (ll + rl) >> 7; | |
1049 | //r = r * (rr + lr) >> 7; | |
1050 | ssat32_to_16(l); | |
1051 | //ssat32_to_16(r); | |
1052 | buf[i] = l; | |
1053 | } | |
1054 | } | |
1055 | } | |
1056 | ||
ef79bbde P |
1057 | void cdrReadInterrupt() { |
1058 | u8 *buf; | |
1059 | ||
1060 | if (!cdr.Reading) | |
1061 | return; | |
1062 | ||
9f8b032d | 1063 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1064 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1065 | CDREAD_INT(0x1000); |
ef79bbde P |
1066 | return; |
1067 | } | |
1068 | ||
9f8b032d | 1069 | cdr.OCUP = 1; |
ef79bbde | 1070 | SetResultSize(1); |
9f8b032d | 1071 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1072 | cdr.StatP &= ~STATUS_SEEK; | |
1073 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1074 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1075 | |
55b8460a | 1076 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1077 | |
1078 | buf = CDR_getBuffer(); | |
1079 | if (buf == NULL) | |
1080 | cdr.RErr = -1; | |
1081 | ||
1082 | if (cdr.RErr == -1) { | |
8b380e97 | 1083 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1084 | memset(cdr.Transfer, 0, DATA_SIZE); |
1085 | cdr.Stat = DiskError; | |
9f8b032d | 1086 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1087 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1088 | return; | |
1089 | } | |
1090 | ||
1091 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1092 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1093 | ||
ef79bbde | 1094 | |
8b380e97 | 1095 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1096 | |
9f8b032d | 1097 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1098 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1099 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1100 | cdr.File = cdr.Transfer[4 + 0]; | |
1101 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1102 | } | |
1103 | ||
cd0c9f5b | 1104 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1105 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
cd0c9f5b | 1106 | (cdr.Transfer[4 + 0] == cdr.File)) { |
ef79bbde | 1107 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1108 | if (!ret) { |
53598a71 | 1109 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1110 | SPU_playADPCMchannel(&cdr.Xa); |
1111 | cdr.FirstSector = 0; | |
1112 | } | |
1113 | else cdr.FirstSector = -1; | |
1114 | } | |
1115 | } | |
1116 | ||
55b8460a | 1117 | cdr.SetSectorPlay[2]++; |
1118 | if (cdr.SetSectorPlay[2] == 75) { | |
1119 | cdr.SetSectorPlay[2] = 0; | |
1120 | cdr.SetSectorPlay[1]++; | |
1121 | if (cdr.SetSectorPlay[1] == 60) { | |
1122 | cdr.SetSectorPlay[1] = 0; | |
1123 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1124 | } |
1125 | } | |
1126 | ||
1127 | cdr.Readed = 0; | |
1128 | ||
a34a2445 | 1129 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1130 | |
1131 | /* | |
1132 | Croc 2: $40 - only FORM1 (*) | |
1133 | Judge Dredd: $C8 - only FORM1 (*) | |
1134 | Sim Theme Park - no adpcm at all (zero) | |
1135 | */ | |
1136 | ||
a34a2445 | 1137 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1138 | cdr.Stat = DataReady; |
a34a2445 | 1139 | setIrq(); |
ef79bbde | 1140 | } |
9f8b032d | 1141 | |
fffad32e | 1142 | // update for CdlGetlocP |
55b8460a | 1143 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1144 | } |
1145 | ||
1146 | /* | |
1147 | cdrRead0: | |
94c118c3 | 1148 | bit 0,1 - mode |
ef79bbde P |
1149 | bit 2 - unknown |
1150 | bit 3 - unknown | |
1151 | bit 4 - unknown | |
1152 | bit 5 - 1 result ready | |
1153 | bit 6 - 1 dma ready | |
1154 | bit 7 - 1 command being processed | |
1155 | */ | |
1156 | ||
1157 | unsigned char cdrRead0(void) { | |
1158 | if (cdr.ResultReady) | |
1159 | cdr.Ctrl |= 0x20; | |
1160 | else | |
1161 | cdr.Ctrl &= ~0x20; | |
1162 | ||
1163 | if (cdr.OCUP) | |
1164 | cdr.Ctrl |= 0x40; | |
1165 | // else | |
1166 | // cdr.Ctrl &= ~0x40; | |
1167 | ||
1168 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1169 | cdr.Ctrl |= 0x18; | |
1170 | ||
8b380e97 | 1171 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1172 | |
1173 | return psxHu8(0x1800) = cdr.Ctrl; | |
1174 | } | |
1175 | ||
ef79bbde | 1176 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1177 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1178 | ||
50b13be9 | 1179 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1180 | } |
1181 | ||
1182 | unsigned char cdrRead1(void) { | |
94c118c3 | 1183 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1184 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1185 | else |
ef79bbde | 1186 | psxHu8(0x1801) = 0; |
94c118c3 | 1187 | cdr.ResultP++; |
1188 | if (cdr.ResultP == cdr.ResultC) | |
1189 | cdr.ResultReady = 0; | |
1190 | ||
8b380e97 | 1191 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1192 | ||
ef79bbde P |
1193 | return psxHu8(0x1801); |
1194 | } | |
1195 | ||
1196 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1197 | u8 set_loc[3]; |
ef79bbde P |
1198 | int i; |
1199 | ||
8b380e97 | 1200 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1201 | |
94c118c3 | 1202 | switch (cdr.Ctrl & 3) { |
1203 | case 0: | |
1204 | break; | |
1205 | case 3: | |
53598a71 | 1206 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1207 | return; |
1208 | default: | |
1209 | return; | |
9f8b032d | 1210 | } |
1211 | ||
9f8b032d | 1212 | cdr.Cmd = rt; |
ef79bbde P |
1213 | cdr.OCUP = 0; |
1214 | ||
8b380e97 | 1215 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1216 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde P |
1217 | if (cdr.ParamC) { |
1218 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1219 | for (i = 0; i < cdr.ParamC; i++) | |
1220 | SysPrintf(" %x,", cdr.Param[i]); | |
1221 | SysPrintf("}\n"); | |
1222 | } else { | |
1223 | SysPrintf("\n"); | |
1224 | } | |
1225 | #endif | |
1226 | ||
2daaaae3 | 1227 | cdr.ResultReady = 0; |
94c118c3 | 1228 | cdr.Ctrl |= 0x80; |
1229 | // cdr.Stat = NoIntr; | |
1230 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1231 | |
9f8b032d | 1232 | switch (cdr.Cmd) { |
94c118c3 | 1233 | case CdlSetloc: |
9f8b032d | 1234 | for (i = 0; i < 3; i++) |
914722b2 | 1235 | set_loc[i] = btoi(cdr.Param[i]); |
39df67df | 1236 | |
55b8460a | 1237 | i = msf2sec(cdr.SetSectorPlay); |
2d5ca6c0 | 1238 | i = abs(i - msf2sec(set_loc)); |
914722b2 | 1239 | if (i > 16) |
94c118c3 | 1240 | cdr.Seeked = SEEK_PENDING; |
39df67df | 1241 | |
914722b2 | 1242 | memcpy(cdr.SetSector, set_loc, 3); |
94c118c3 | 1243 | cdr.SetSector[3] = 0; |
55b8460a | 1244 | cdr.SetlocPending = 1; |
94c118c3 | 1245 | break; |
ef79bbde | 1246 | |
94c118c3 | 1247 | case CdlReadN: |
030bd76a | 1248 | case CdlReadS: |
94c118c3 | 1249 | case CdlPause: |
9f8b032d | 1250 | StopCdda(); |
1251 | StopReading(); | |
9f8b032d | 1252 | break; |
1253 | ||
1254 | case CdlReset: | |
94c118c3 | 1255 | case CdlInit: |
39df67df | 1256 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1257 | StopCdda(); |
1258 | StopReading(); | |
94c118c3 | 1259 | break; |
9f8b032d | 1260 | |
ef79bbde | 1261 | case CdlSetmode: |
9f8b032d | 1262 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1263 | |
ef79bbde | 1264 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1265 | |
1266 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1267 | // - fixes choppy movie sound | |
1268 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1269 | StopCdda(); | |
ef79bbde | 1270 | break; |
9f8b032d | 1271 | } |
ef79bbde P |
1272 | } |
1273 | ||
1274 | unsigned char cdrRead2(void) { | |
1275 | unsigned char ret; | |
1276 | ||
1277 | if (cdr.Readed == 0) { | |
1278 | ret = 0; | |
1279 | } else { | |
8e1040b6 | 1280 | ret = *pTransfer++; |
ef79bbde P |
1281 | } |
1282 | ||
8b380e97 | 1283 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1284 | return ret; |
1285 | } | |
1286 | ||
1287 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1288 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1289 | |
94c118c3 | 1290 | switch (cdr.Ctrl & 3) { |
1291 | case 0: | |
1292 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1293 | cdr.Param[cdr.ParamC++] = rt; | |
1294 | return; | |
1295 | case 1: | |
1296 | cdr.Reg2 = rt; | |
1297 | setIrq(); | |
1298 | return; | |
1299 | case 2: | |
53598a71 | 1300 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1301 | return; |
1302 | case 3: | |
53598a71 | 1303 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1304 | return; |
ef79bbde P |
1305 | } |
1306 | } | |
1307 | ||
1308 | unsigned char cdrRead3(void) { | |
94c118c3 | 1309 | if (cdr.Ctrl & 0x1) |
1310 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1311 | else | |
1312 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1313 | |
1314 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1315 | return psxHu8(0x1803); |
1316 | } | |
1317 | ||
1318 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1319 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1320 | |
94c118c3 | 1321 | switch (cdr.Ctrl & 3) { |
1322 | case 0: | |
a34a2445 | 1323 | break; // transfer |
94c118c3 | 1324 | case 1: |
a34a2445 | 1325 | cdr.Stat &= ~rt; |
1326 | ||
1327 | if (rt & 0x40) | |
1328 | cdr.ParamC = 0; | |
1329 | return; | |
94c118c3 | 1330 | case 2: |
53598a71 | 1331 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1332 | return; |
1333 | case 3: | |
53598a71 | 1334 | if (rt & 0x20) { |
1335 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1336 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1337 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1338 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1339 | } | |
94c118c3 | 1340 | return; |
9f8b032d | 1341 | } |
056d6759 | 1342 | |
94c118c3 | 1343 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1344 | cdr.Readed = 1; |
8e1040b6 | 1345 | pTransfer = cdr.Transfer; |
ef79bbde P |
1346 | |
1347 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1348 | case MODE_SIZE_2328: |
ef79bbde | 1349 | case 0x00: |
8e1040b6 | 1350 | pTransfer += 12; |
ef79bbde | 1351 | break; |
9f8b032d | 1352 | |
1353 | case MODE_SIZE_2340: | |
8e1040b6 | 1354 | pTransfer += 0; |
9f8b032d | 1355 | break; |
1356 | ||
ef79bbde P |
1357 | default: |
1358 | break; | |
1359 | } | |
1360 | } | |
1361 | } | |
1362 | ||
1363 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1364 | u32 cdsize; | |
c7071c43 | 1365 | int size; |
ef79bbde P |
1366 | u8 *ptr; |
1367 | ||
ef79bbde | 1368 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1369 | |
1370 | switch (chcr) { | |
1371 | case 0x11000000: | |
1372 | case 0x11400100: | |
1373 | if (cdr.Readed == 0) { | |
ef79bbde | 1374 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1375 | break; |
1376 | } | |
1377 | ||
1378 | cdsize = (bcr & 0xffff) * 4; | |
1379 | ||
9f8b032d | 1380 | // Ape Escape: bcr = 0001 / 0000 |
1381 | // - fix boot | |
1382 | if( cdsize == 0 ) | |
1383 | { | |
cd0c9f5b | 1384 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1385 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1386 | case MODE_SIZE_2328: cdsize = 2328; break; |
1387 | default: | |
1388 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1389 | } |
1390 | } | |
1391 | ||
1392 | ||
ef79bbde P |
1393 | ptr = (u8 *)PSXM(madr); |
1394 | if (ptr == NULL) { | |
ef79bbde | 1395 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1396 | break; |
1397 | } | |
9f8b032d | 1398 | |
1399 | /* | |
1400 | GS CDX: Enhancement CD crash | |
1401 | - Setloc 0:0:0 | |
1402 | - CdlPlay | |
1403 | - Spams DMA3 and gets buffer overrun | |
1404 | */ | |
8e1040b6 | 1405 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1406 | if (size > cdsize) |
1407 | size = cdsize; | |
1408 | if (size > 0) | |
9f8b032d | 1409 | { |
8e1040b6 | 1410 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1411 | } |
1412 | ||
ef79bbde | 1413 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1414 | pTransfer += cdsize; |
9f8b032d | 1415 | |
1416 | ||
1417 | // burst vs normal | |
1418 | if( chcr == 0x11400100 ) { | |
1419 | CDRDMA_INT( (cdsize/4) / 4 ); | |
1420 | } | |
1421 | else if( chcr == 0x11000000 ) { | |
1422 | CDRDMA_INT( (cdsize/4) * 1 ); | |
1423 | } | |
1424 | return; | |
1425 | ||
ef79bbde | 1426 | default: |
ef79bbde | 1427 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1428 | break; |
1429 | } | |
1430 | ||
1431 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1432 | DMA_INTERRUPT(3); | |
1433 | } | |
1434 | ||
9f8b032d | 1435 | void cdrDmaInterrupt() |
1436 | { | |
ad418c19 | 1437 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1438 | { | |
1439 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1440 | DMA_INTERRUPT(3); | |
1441 | } | |
9f8b032d | 1442 | } |
1443 | ||
fffad32e | 1444 | static void getCdInfo(void) |
1445 | { | |
1446 | u8 tmp; | |
1447 | ||
1448 | CDR_getTN(cdr.ResultTN); | |
1449 | CDR_getTD(0, cdr.SetSectorEnd); | |
1450 | tmp = cdr.SetSectorEnd[0]; | |
1451 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1452 | cdr.SetSectorEnd[2] = tmp; | |
1453 | } | |
1454 | ||
ef79bbde P |
1455 | void cdrReset() { |
1456 | memset(&cdr, 0, sizeof(cdr)); | |
1457 | cdr.CurTrack = 1; | |
1458 | cdr.File = 1; | |
1459 | cdr.Channel = 1; | |
a2d3ccb8 | 1460 | cdr.Reg2 = 0x1f; |
1461 | cdr.Stat = NoIntr; | |
80f91a20 | 1462 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1463 | cdr.StatP = STATUS_ROTATING; |
8e1040b6 | 1464 | pTransfer = cdr.Transfer; |
056d6759 | 1465 | |
1466 | // BIOS player - default values | |
53598a71 | 1467 | cdr.AttenuatorLeftToLeft = 0x80; |
1468 | cdr.AttenuatorLeftToRight = 0x00; | |
1469 | cdr.AttenuatorRightToLeft = 0x00; | |
1470 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1471 | |
1472 | getCdInfo(); | |
ef79bbde P |
1473 | } |
1474 | ||
496d88d4 | 1475 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1476 | u32 tmp; |
fffad32e | 1477 | u8 tmpp[3]; |
ef79bbde | 1478 | |
fffad32e | 1479 | if (Mode == 0 && !Config.Cdda) |
1480 | CDR_stop(); | |
9f8b032d | 1481 | |
55b8460a | 1482 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1483 | gzfreeze(&cdr, sizeof(cdr)); |
1484 | ||
94c118c3 | 1485 | if (Mode == 1) { |
1486 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1487 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1488 | } |
ef79bbde P |
1489 | |
1490 | gzfreeze(&tmp, sizeof(tmp)); | |
1491 | ||
42f3c512 | 1492 | if (Mode == 0) { |
fffad32e | 1493 | getCdInfo(); |
1494 | ||
8e1040b6 | 1495 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1496 | |
fffad32e | 1497 | // read right sub data |
1498 | memcpy(tmpp, cdr.Prev, 3); | |
1499 | cdr.Prev[0]++; | |
73b29eeb | 1500 | ReadTrack(tmpp); |
fffad32e | 1501 | |
1502 | if (cdr.Play) { | |
55b8460a | 1503 | if (cdr.freeze_ver < 0x63647202) |
1504 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1505 | ||
fffad32e | 1506 | Find_CurTrack(cdr.SetSectorPlay); |
1507 | if (!Config.Cdda) | |
1508 | CDR_play(cdr.SetSectorPlay); | |
1509 | } | |
c69642c8 | 1510 | |
1511 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1512 | // old versions did not latch Reg2, have to fixup.. | |
1513 | if (cdr.Reg2 == 0) { | |
1514 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1515 | cdr.Reg2 = 7; | |
1516 | } | |
1517 | } | |
42f3c512 | 1518 | } |
1519 | ||
ef79bbde P |
1520 | return 0; |
1521 | } | |
9f8b032d | 1522 | |
1523 | void LidInterrupt() { | |
fffad32e | 1524 | getCdInfo(); |
fffad32e | 1525 | StopCdda(); |
80f91a20 | 1526 | cdrLidSeekInterrupt(); |
9f8b032d | 1527 | } |