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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 | ||
0eacae49 | 24 | #include <assert.h> |
ef79bbde | 25 | #include "cdrom.h" |
584fc319 | 26 | #include "misc.h" |
ef79bbde | 27 | #include "ppf.h" |
9f8b032d | 28 | #include "psxdma.h" |
c6a249e3 | 29 | #include "psxevents.h" |
8f2bb0cb | 30 | #include "arm_features.h" |
ef79bbde | 31 | |
8b380e97 | 32 | /* logging */ |
33 | #if 0 | |
34 | #define CDR_LOG SysPrintf | |
35 | #else | |
36 | #define CDR_LOG(...) | |
37 | #endif | |
38 | #if 0 | |
39 | #define CDR_LOG_I SysPrintf | |
40 | #else | |
4d74a45a | 41 | #define CDR_LOG_I(fmt, ...) \ |
42 | log_unhandled("%u cdrom: " fmt, psxRegs.cycle, ##__VA_ARGS__) | |
8b380e97 | 43 | #endif |
44 | #if 0 | |
45 | #define CDR_LOG_IO SysPrintf | |
46 | #else | |
47 | #define CDR_LOG_IO(...) | |
48 | #endif | |
49 | //#define CDR_LOG_CMD_IRQ | |
50 | ||
e7acd858 | 51 | static struct { |
5c96969c | 52 | // unused members maintain savesate compatibility |
53 | unsigned char unused0; | |
54 | unsigned char unused1; | |
f8f71331 | 55 | unsigned char IrqMask; |
5c96969c | 56 | unsigned char unused2; |
e7acd858 | 57 | unsigned char Ctrl; |
f8f71331 | 58 | unsigned char IrqStat; |
e7acd858 | 59 | |
60 | unsigned char StatP; | |
61 | ||
62 | unsigned char Transfer[DATA_SIZE]; | |
63 | struct { | |
64 | unsigned char Track; | |
65 | unsigned char Index; | |
66 | unsigned char Relative[3]; | |
67 | unsigned char Absolute[3]; | |
68 | } subq; | |
69 | unsigned char TrackChanged; | |
bbcd0c29 | 70 | unsigned char ReportDelay; |
b524c671 | 71 | unsigned char unused3; |
72 | unsigned short sectorsRead; | |
e7acd858 | 73 | unsigned int freeze_ver; |
74 | ||
75 | unsigned char Prev[4]; | |
76 | unsigned char Param[8]; | |
77 | unsigned char Result[16]; | |
78 | ||
79 | unsigned char ParamC; | |
80 | unsigned char ParamP; | |
81 | unsigned char ResultC; | |
82 | unsigned char ResultP; | |
83 | unsigned char ResultReady; | |
84 | unsigned char Cmd; | |
0eacae49 | 85 | unsigned char SubqForwardSectors; |
e7acd858 | 86 | unsigned char SetlocPending; |
87 | u32 Reading; | |
88 | ||
89 | unsigned char ResultTN[6]; | |
90 | unsigned char ResultTD[4]; | |
91 | unsigned char SetSectorPlay[4]; | |
92 | unsigned char SetSectorEnd[4]; | |
93 | unsigned char SetSector[4]; | |
94 | unsigned char Track; | |
95 | boolean Play, Muted; | |
96 | int CurTrack; | |
78ce9be9 | 97 | unsigned char Mode; |
98 | unsigned char FileChannelSelected; | |
99 | unsigned char CurFile, CurChannel; | |
100 | int FilterFile, FilterChannel; | |
3c2583a6 | 101 | unsigned char LocL[8]; |
78ce9be9 | 102 | int unused4; |
e7acd858 | 103 | |
104 | xa_decode_t Xa; | |
105 | ||
e411faef | 106 | u16 FifoOffset; |
107 | u16 FifoSize; | |
e7acd858 | 108 | |
5c96969c | 109 | u16 CmdInProgress; |
f55c59b7 | 110 | u8 Irq1Pending; |
78ce9be9 | 111 | u8 AdpcmActive; |
3b8815fb | 112 | u32 LastReadSeekCycles; |
e7acd858 | 113 | |
5c96969c | 114 | u8 unused7; |
e7acd858 | 115 | |
116 | u8 DriveState; | |
117 | u8 FastForward; | |
118 | u8 FastBackward; | |
14c8b56a | 119 | u8 errorRetryhack; |
e7acd858 | 120 | |
121 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
122 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
123 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
124 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
125 | } cdr; | |
66425c25 | 126 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
127 | |
128 | /* CD-ROM magic numbers */ | |
2e88c317 | 129 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
130 | #define CdlNop 1 |
131 | #define CdlSetloc 2 | |
132 | #define CdlPlay 3 | |
133 | #define CdlForward 4 | |
134 | #define CdlBackward 5 | |
135 | #define CdlReadN 6 | |
136 | #define CdlStandby 7 | |
137 | #define CdlStop 8 | |
138 | #define CdlPause 9 | |
8399ca33 | 139 | #define CdlReset 10 |
ef79bbde P |
140 | #define CdlMute 11 |
141 | #define CdlDemute 12 | |
142 | #define CdlSetfilter 13 | |
143 | #define CdlSetmode 14 | |
95465b97 | 144 | #define CdlGetparam 15 |
ef79bbde P |
145 | #define CdlGetlocL 16 |
146 | #define CdlGetlocP 17 | |
147 | #define CdlReadT 18 | |
148 | #define CdlGetTN 19 | |
149 | #define CdlGetTD 20 | |
150 | #define CdlSeekL 21 | |
151 | #define CdlSeekP 22 | |
152 | #define CdlSetclock 23 | |
153 | #define CdlGetclock 24 | |
154 | #define CdlTest 25 | |
155 | #define CdlID 26 | |
156 | #define CdlReadS 27 | |
8399ca33 | 157 | #define CdlInit 28 |
e4268a49 | 158 | #define CdlGetQ 29 |
ef79bbde P |
159 | #define CdlReadToc 30 |
160 | ||
e7acd858 | 161 | #ifdef CDR_LOG_CMD_IRQ |
162 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
163 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
164 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 165 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 166 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
167 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
168 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
169 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 170 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 171 | }; |
e7acd858 | 172 | #endif |
ef79bbde P |
173 | |
174 | unsigned char Test04[] = { 0 }; | |
175 | unsigned char Test05[] = { 0 }; | |
176 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
177 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
178 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
179 | ||
f8f71331 | 180 | // cdr.IrqStat: |
9f8b032d | 181 | #define NoIntr 0 |
182 | #define DataReady 1 | |
183 | #define Complete 2 | |
184 | #define Acknowledge 3 | |
185 | #define DataEnd 4 | |
186 | #define DiskError 5 | |
187 | ||
188 | /* Modes flags */ | |
189 | #define MODE_SPEED (1<<7) // 0x80 | |
190 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
191 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
192 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 193 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 194 | #define MODE_SF (1<<3) // 0x08 channel on/off |
195 | #define MODE_REPORT (1<<2) // 0x04 | |
196 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
197 | #define MODE_CDDA (1<<0) // 0x01 | |
198 | ||
199 | /* Status flags */ | |
200 | #define STATUS_PLAY (1<<7) // 0x80 | |
201 | #define STATUS_SEEK (1<<6) // 0x40 | |
202 | #define STATUS_READ (1<<5) // 0x20 | |
203 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
204 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
1b092fd9 | 205 | #define STATUS_SEEKERROR (1<<2) // 0x04 |
9f8b032d | 206 | #define STATUS_ROTATING (1<<1) // 0x02 |
207 | #define STATUS_ERROR (1<<0) // 0x01 | |
208 | ||
e4268a49 | 209 | /* Errors */ |
003cfc63 | 210 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 211 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
f8f71331 | 212 | #define ERROR_BAD_ARGNUM (1<<5) // 0x20 |
213 | #define ERROR_BAD_ARGVAL (1<<4) // 0x10 | |
1b092fd9 | 214 | #define ERROR_SHELLOPEN (1<<3) // 0x08 |
9f8b032d | 215 | |
ef79bbde P |
216 | // 1x = 75 sectors per second |
217 | // PSXCLK = 1 sec in the ps | |
218 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
219 | #define cdReadTime (PSXCLK / 75) | |
220 | ||
3c2583a6 | 221 | #define LOCL_INVALID 0xff |
0eacae49 | 222 | #define SUBQ_FORWARD_SECTORS 2u |
3c2583a6 | 223 | |
80f91a20 | 224 | enum drive_state { |
05e5c298 | 225 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 226 | DRIVESTATE_LID_OPEN, |
227 | DRIVESTATE_RESCAN_CD, | |
228 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 229 | DRIVESTATE_STOPPED, |
80f91a20 | 230 | }; |
231 | ||
ef79bbde | 232 | static struct CdrStat stat; |
ef79bbde | 233 | |
fffad32e | 234 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 235 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
236 | } | |
237 | ||
fffad32e | 238 | // for that weird psemu API.. |
239 | static unsigned int fsm2sec(const u8 *msf) { | |
240 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
241 | } | |
242 | ||
305c8c93 | 243 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 244 | msf[0] = s / 75 / 60; |
245 | s = s - msf[0] * 75 * 60; | |
246 | msf[1] = s / 75; | |
247 | s = s - msf[1] * 75; | |
248 | msf[2] = s; | |
249 | } | |
250 | ||
c4e62180 | 251 | // cdrPlayReadInterrupt |
252 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
9a1338bc | 253 | u32 e_ = eCycle; \ |
d28b54b1 | 254 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 255 | if (isFirst) \ |
256 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
257 | else \ | |
258 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
259 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
c6a249e3 | 260 | set_event_raw_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ |
9f8b032d | 261 | } |
262 | ||
ef79bbde | 263 | #define StopReading() { \ |
05e5c298 | 264 | cdr.Reading = 0; \ |
265 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
266 | } |
267 | ||
268 | #define StopCdda() { \ | |
05e5c298 | 269 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
270 | cdr.Play = FALSE; \ | |
271 | cdr.FastForward = 0; \ | |
272 | cdr.FastBackward = 0; \ | |
273 | } | |
274 | ||
275 | #define SetPlaySeekRead(x, f) { \ | |
276 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
277 | x |= f; \ | |
ef79bbde P |
278 | } |
279 | ||
f8f71331 | 280 | #define SetResultSize_(size) { \ |
94c118c3 | 281 | cdr.ResultP = 0; \ |
ef79bbde P |
282 | cdr.ResultC = size; \ |
283 | cdr.ResultReady = 1; \ | |
284 | } | |
285 | ||
f8f71331 | 286 | #define SetResultSize(size) { \ |
287 | if (cdr.ResultP < cdr.ResultC) \ | |
288 | CDR_LOG_I("overwriting result, len=%u\n", cdr.ResultC); \ | |
289 | SetResultSize_(size); \ | |
290 | } | |
291 | ||
292 | static void setIrq(u8 irq, int log_cmd) | |
94c118c3 | 293 | { |
f8f71331 | 294 | u8 old = cdr.IrqStat & cdr.IrqMask ? 1 : 0; |
295 | u8 new_ = irq & cdr.IrqMask ? 1 : 0; | |
296 | ||
297 | cdr.IrqStat = irq; | |
298 | if ((old ^ new_) & new_) | |
94c118c3 | 299 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
e7acd858 | 300 | |
301 | #ifdef CDR_LOG_CMD_IRQ | |
f8f71331 | 302 | if (cdr.IrqStat) |
e7acd858 | 303 | { |
304 | int i; | |
f8f71331 | 305 | CDR_LOG_I("CDR IRQ=%d cmd %02x irqstat %02x: ", |
306 | !!(cdr.IrqStat & cdr.IrqMask), log_cmd, cdr.IrqStat); | |
e7acd858 | 307 | for (i = 0; i < cdr.ResultC; i++) |
308 | SysPrintf("%02x ", cdr.Result[i]); | |
309 | SysPrintf("\n"); | |
310 | } | |
311 | #endif | |
94c118c3 | 312 | } |
9f8b032d | 313 | |
80f91a20 | 314 | // timing used in this function was taken from tests on real hardware |
315 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 316 | void cdrLidSeekInterrupt(void) |
9f8b032d | 317 | { |
4d74a45a | 318 | CDR_LOG_I("%s cdr.DriveState=%d\n", __func__, cdr.DriveState); |
b4638ad9 | 319 | |
80f91a20 | 320 | switch (cdr.DriveState) { |
321 | default: | |
322 | case DRIVESTATE_STANDBY: | |
05e5c298 | 323 | StopCdda(); |
1b092fd9 | 324 | //StopReading(); |
05e5c298 | 325 | SetPlaySeekRead(cdr.StatP, 0); |
9f8b032d | 326 | |
80f91a20 | 327 | if (CDR_getStatus(&stat) == -1) |
328 | return; | |
9f8b032d | 329 | |
80f91a20 | 330 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 331 | { |
48e85d1b | 332 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 333 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
c6a249e3 | 334 | set_event(PSXINT_CDRLID, 0x800); |
80f91a20 | 335 | } |
336 | break; | |
9f8b032d | 337 | |
80f91a20 | 338 | case DRIVESTATE_LID_OPEN: |
339 | if (CDR_getStatus(&stat) == -1) | |
340 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 341 | |
80f91a20 | 342 | // 02, 12, 10 |
343 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
1b092fd9 | 344 | SetPlaySeekRead(cdr.StatP, 0); |
80f91a20 | 345 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 346 | |
1b092fd9 | 347 | // IIRC this sometimes doesn't happen on real hw |
348 | // (when lots of commands are sent?) | |
349 | if (cdr.Reading) { | |
350 | StopReading(); | |
351 | SetResultSize(2); | |
352 | cdr.Result[0] = cdr.StatP | STATUS_SEEKERROR; | |
353 | cdr.Result[1] = ERROR_SHELLOPEN; | |
f8f71331 | 354 | setIrq(DiskError, 0x1006); |
1b092fd9 | 355 | } |
356 | if (cdr.CmdInProgress) { | |
357 | psxRegs.interrupt &= ~(1 << PSXINT_CDR); | |
358 | cdr.CmdInProgress = 0; | |
359 | SetResultSize(2); | |
360 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
361 | cdr.Result[1] = ERROR_NOTREADY; | |
f8f71331 | 362 | setIrq(DiskError, 0x1007); |
1b092fd9 | 363 | } |
9f8b032d | 364 | |
c6a249e3 | 365 | set_event(PSXINT_CDRLID, cdReadTime * 30); |
80f91a20 | 366 | break; |
9f8b032d | 367 | } |
80f91a20 | 368 | else if (cdr.StatP & STATUS_ROTATING) { |
369 | cdr.StatP &= ~STATUS_ROTATING; | |
370 | } | |
371 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
372 | // closed now | |
373 | CheckCdrom(); | |
9f8b032d | 374 | |
80f91a20 | 375 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
376 | // and is only cleared by CdlNop | |
9f8b032d | 377 | |
80f91a20 | 378 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
c6a249e3 | 379 | set_event(PSXINT_CDRLID, cdReadTime * 105); |
80f91a20 | 380 | break; |
381 | } | |
9f8b032d | 382 | |
80f91a20 | 383 | // recheck for close |
c6a249e3 | 384 | set_event(PSXINT_CDRLID, cdReadTime * 3); |
80f91a20 | 385 | break; |
9f8b032d | 386 | |
80f91a20 | 387 | case DRIVESTATE_RESCAN_CD: |
388 | cdr.StatP |= STATUS_ROTATING; | |
389 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 390 | |
80f91a20 | 391 | // this is very long on real hardware, over 6 seconds |
392 | // make it a bit faster here... | |
c6a249e3 | 393 | set_event(PSXINT_CDRLID, cdReadTime * 150); |
80f91a20 | 394 | break; |
9f8b032d | 395 | |
80f91a20 | 396 | case DRIVESTATE_PREPARE_CD: |
b4638ad9 | 397 | if (cdr.StatP & STATUS_SEEK) { |
398 | SetPlaySeekRead(cdr.StatP, 0); | |
399 | cdr.DriveState = DRIVESTATE_STANDBY; | |
400 | } | |
401 | else { | |
402 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
c6a249e3 | 403 | set_event(PSXINT_CDRLID, cdReadTime * 26); |
b4638ad9 | 404 | } |
80f91a20 | 405 | break; |
9f8b032d | 406 | } |
407 | } | |
408 | ||
fffad32e | 409 | static void Find_CurTrack(const u8 *time) |
410 | { | |
411 | int current, sect; | |
9f8b032d | 412 | |
fffad32e | 413 | current = msf2sec(time); |
9f8b032d | 414 | |
fffad32e | 415 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
416 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
417 | sect = fsm2sec(cdr.ResultTD); | |
418 | if (sect - current >= 150) | |
9f8b032d | 419 | break; |
9f8b032d | 420 | } |
421 | } | |
422 | ||
73b29eeb | 423 | static void generate_subq(const u8 *time) |
424 | { | |
425 | unsigned char start[3], next[3]; | |
426 | unsigned int this_s, start_s, next_s, pregap; | |
427 | int relative_s; | |
428 | ||
429 | CDR_getTD(cdr.CurTrack, start); | |
430 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
431 | pregap = 150; | |
432 | CDR_getTD(cdr.CurTrack + 1, next); | |
433 | } | |
434 | else { | |
435 | // last track - cd size | |
436 | pregap = 0; | |
437 | next[0] = cdr.SetSectorEnd[2]; | |
438 | next[1] = cdr.SetSectorEnd[1]; | |
439 | next[2] = cdr.SetSectorEnd[0]; | |
440 | } | |
441 | ||
442 | this_s = msf2sec(time); | |
443 | start_s = fsm2sec(start); | |
444 | next_s = fsm2sec(next); | |
445 | ||
446 | cdr.TrackChanged = FALSE; | |
447 | ||
448 | if (next_s - this_s < pregap) { | |
449 | cdr.TrackChanged = TRUE; | |
450 | cdr.CurTrack++; | |
451 | start_s = next_s; | |
452 | } | |
453 | ||
454 | cdr.subq.Index = 1; | |
455 | ||
456 | relative_s = this_s - start_s; | |
457 | if (relative_s < 0) { | |
458 | cdr.subq.Index = 0; | |
459 | relative_s = -relative_s; | |
460 | } | |
461 | sec2msf(relative_s, cdr.subq.Relative); | |
462 | ||
463 | cdr.subq.Track = itob(cdr.CurTrack); | |
464 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
465 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
466 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
467 | cdr.subq.Absolute[0] = itob(time[0]); | |
468 | cdr.subq.Absolute[1] = itob(time[1]); | |
469 | cdr.subq.Absolute[2] = itob(time[2]); | |
470 | } | |
471 | ||
0eacae49 | 472 | static int ReadTrack(const u8 *time) |
473 | { | |
fffad32e | 474 | unsigned char tmp[3]; |
3c2583a6 | 475 | int read_ok; |
ef79bbde | 476 | |
fffad32e | 477 | tmp[0] = itob(time[0]); |
478 | tmp[1] = itob(time[1]); | |
479 | tmp[2] = itob(time[2]); | |
ef79bbde | 480 | |
26d28fa4 | 481 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
482 | ||
fffad32e | 483 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
3c2583a6 | 484 | return 1; |
39df67df | 485 | |
3c2583a6 | 486 | read_ok = CDR_readTrack(tmp); |
1f665cdd | 487 | if (read_ok) |
488 | memcpy(cdr.Prev, tmp, 3); | |
0eacae49 | 489 | return read_ok; |
490 | } | |
491 | ||
492 | static void UpdateSubq(const u8 *time) | |
493 | { | |
494 | const struct SubQ *subq; | |
cdee2d81 | 495 | int s = MSF2SECT(time[0], time[1], time[2]); |
0eacae49 | 496 | u16 crc; |
9f8b032d | 497 | |
cdee2d81 | 498 | if (CheckSBI(s)) |
0eacae49 | 499 | return; |
9f8b032d | 500 | |
cdee2d81 | 501 | subq = (struct SubQ *)CDR_getBufferSub(s); |
73b29eeb | 502 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 503 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 504 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 505 | cdr.subq.Track = subq->TrackNumber; |
506 | cdr.subq.Index = subq->IndexNumber; | |
507 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
508 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 509 | } |
92ca1ba6 | 510 | else { |
0eacae49 | 511 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
512 | time[0], time[1], time[2]); | |
92ca1ba6 | 513 | } |
9f8b032d | 514 | } |
fffad32e | 515 | else { |
73b29eeb | 516 | generate_subq(time); |
9f8b032d | 517 | } |
9f8b032d | 518 | |
fffad32e | 519 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
520 | cdr.subq.Track, cdr.subq.Index, | |
521 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
522 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
523 | } | |
9f8b032d | 524 | |
7f457614 | 525 | static void cdrPlayInterrupt_Autopause() |
526 | { | |
66425c25 | 527 | u32 abs_lev_max = 0; |
528 | boolean abs_lev_chselect; | |
529 | u32 i; | |
530 | ||
fffad32e | 531 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
69ebf301 | 532 | CDR_LOG_I("autopause\n"); |
7f457614 | 533 | |
69ebf301 | 534 | SetResultSize(1); |
535 | cdr.Result[0] = cdr.StatP; | |
f8f71331 | 536 | setIrq(DataEnd, 0x1000); // 0x1000 just for logging purposes |
7f457614 | 537 | |
538 | StopCdda(); | |
05e5c298 | 539 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 540 | } |
bbcd0c29 | 541 | else if ((cdr.Mode & MODE_REPORT) && !cdr.ReportDelay && |
542 | ((cdr.subq.Absolute[2] & 0x0f) == 0 || cdr.FastForward || cdr.FastBackward)) | |
543 | { | |
69ebf301 | 544 | SetResultSize(8); |
fffad32e | 545 | cdr.Result[0] = cdr.StatP; |
546 | cdr.Result[1] = cdr.subq.Track; | |
547 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 548 | |
549 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
550 | ||
551 | /* 8 is a hack. For accuracy, it should be 588. */ | |
552 | for (i = 0; i < 8; i++) | |
553 | { | |
554 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
555 | } | |
556 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
557 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 558 | |
fffad32e | 559 | if (cdr.subq.Absolute[2] & 0x10) { |
560 | cdr.Result[3] = cdr.subq.Relative[0]; | |
561 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
562 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 563 | } |
fffad32e | 564 | else { |
565 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
566 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
567 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
568 | } | |
66425c25 | 569 | cdr.Result[6] = abs_lev_max >> 0; |
570 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 571 | |
f8f71331 | 572 | setIrq(DataReady, 0x1001); |
7f457614 | 573 | } |
bbcd0c29 | 574 | |
575 | if (cdr.ReportDelay) | |
576 | cdr.ReportDelay--; | |
7f457614 | 577 | } |
578 | ||
05e5c298 | 579 | static int cdrSeekTime(unsigned char *target) |
580 | { | |
1290ebe4 | 581 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
3b8815fb | 582 | int seekTime = abs(diff) * (cdReadTime / 2000); |
26d28fa4 | 583 | int cyclesSinceRS = psxRegs.cycle - cdr.LastReadSeekCycles; |
eab544ae | 584 | seekTime = MAX_VALUE(seekTime, 20000); |
585 | ||
586 | // need this stupidly long penalty or else Spyro2 intro desyncs | |
26d28fa4 | 587 | // note: if misapplied this breaks MGS cutscenes among other things |
588 | if (cyclesSinceRS > cdReadTime * 50) | |
3b8815fb | 589 | seekTime += cdReadTime * 25; |
26d28fa4 | 590 | // Transformers Beast Wars Transmetals does Setloc(x),SeekL,Setloc(x),ReadN |
591 | // and then wants some slack time | |
592 | else if (cyclesSinceRS < cdReadTime *3/2) | |
593 | seekTime += cdReadTime; | |
eab544ae | 594 | |
595 | seekTime = MIN_VALUE(seekTime, PSXCLK * 2 / 3); | |
26d28fa4 | 596 | CDR_LOG("seek: %.2f %.2f (%.2f)\n", (float)seekTime / PSXCLK, |
597 | (float)seekTime / cdReadTime, (float)cyclesSinceRS / cdReadTime); | |
05e5c298 | 598 | return seekTime; |
599 | } | |
600 | ||
fc7764f1 | 601 | static u32 cdrAlignTimingHack(u32 cycles) |
602 | { | |
603 | /* | |
604 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
605 | * The game has a bug where it issues some cdc commands from a low priority | |
606 | * vint handler, however there is a higher priority default bios handler | |
607 | * that acks the vint irq and returns, so game's handler is not reached | |
608 | * (see bios irq handler chains at e004 and the game's irq handling func | |
609 | * at 80036810). For the game to work, vint has to arrive after the bios | |
610 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
611 | * active), but before the game's handler loop reads I_STAT. The time | |
612 | * window for this is quite small (~1k cycles of so). Apparently this | |
613 | * somehow happens naturally on the real hardware. | |
d0d2939d | 614 | * |
615 | * Note: always enforcing this breaks other games like Crash PAL version | |
616 | * (inputs get dropped because bios handler doesn't see interrupts). | |
fc7764f1 | 617 | */ |
d0d2939d | 618 | u32 vint_rel; |
619 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
620 | return cycles; | |
621 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
fc7764f1 | 622 | vint_rel += PSXCLK / 60; |
623 | while ((s32)(vint_rel - cycles) < 0) | |
624 | vint_rel += PSXCLK / 60; | |
625 | return vint_rel; | |
626 | } | |
627 | ||
4d384ca8 | 628 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 629 | static void cdrReadInterrupt(void); |
3e629be9 | 630 | static void cdrPrepCdda(s16 *buf, int samples); |
631 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 632 | |
0eacae49 | 633 | static void msfiAdd(u8 *msfi, u32 count) |
634 | { | |
635 | assert(count < 75); | |
636 | msfi[2] += count; | |
637 | if (msfi[2] >= 75) { | |
638 | msfi[2] -= 75; | |
639 | msfi[1]++; | |
640 | if (msfi[1] == 60) { | |
641 | msfi[1] = 0; | |
642 | msfi[0]++; | |
643 | } | |
644 | } | |
645 | } | |
646 | ||
b524c671 | 647 | static void msfiSub(u8 *msfi, u32 count) |
648 | { | |
649 | assert(count < 75); | |
650 | msfi[2] -= count; | |
651 | if ((s8)msfi[2] < 0) { | |
652 | msfi[2] += 75; | |
653 | msfi[1]--; | |
654 | if ((s8)msfi[1] < 0) { | |
655 | msfi[1] = 60; | |
656 | msfi[0]--; | |
657 | } | |
658 | } | |
659 | } | |
660 | ||
c4e62180 | 661 | void cdrPlayReadInterrupt(void) |
7f457614 | 662 | { |
3b8815fb | 663 | cdr.LastReadSeekCycles = psxRegs.cycle; |
eab544ae | 664 | |
28eea6ac | 665 | if (cdr.Reading) { |
666 | cdrReadInterrupt(); | |
667 | return; | |
668 | } | |
669 | ||
39df67df | 670 | if (!cdr.Play) return; |
7f457614 | 671 | |
69ebf301 | 672 | CDR_LOG("CDDA - %02d:%02d:%02d m %02x\n", |
673 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], cdr.Mode); | |
8b380e97 | 674 | |
28eea6ac | 675 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 676 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
69ebf301 | 677 | CDR_LOG_I("end stop\n"); |
fffad32e | 678 | StopCdda(); |
05e5c298 | 679 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 680 | cdr.TrackChanged = TRUE; |
681 | } | |
084b0f31 | 682 | else { |
683 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
684 | } | |
7f457614 | 685 | |
f8f71331 | 686 | if (!cdr.IrqStat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 687 | cdrPlayInterrupt_Autopause(); |
688 | ||
1b092fd9 | 689 | if (!cdr.Muted && cdr.Play && !Config.Cdda) { |
3e629be9 | 690 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 691 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
78ce9be9 | 692 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, 0); |
66425c25 | 693 | } |
fffad32e | 694 | |
0eacae49 | 695 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 696 | |
fffad32e | 697 | // update for CdlGetlocP/autopause |
73b29eeb | 698 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 699 | |
c4e62180 | 700 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 701 | } |
702 | ||
f4a0ef36 | 703 | #define CMD_PART2 0x100 |
704 | #define CMD_WHILE_NOT_READY 0x200 | |
705 | ||
28eea6ac | 706 | void cdrInterrupt(void) { |
e4268a49 | 707 | int start_rotating = 0; |
708 | int error = 0; | |
fc7764f1 | 709 | u32 cycles, seekTime = 0; |
5c96969c | 710 | u32 second_resp_time = 0; |
3c2583a6 | 711 | const void *buf; |
5c96969c | 712 | u8 ParamC; |
115d0459 | 713 | u8 set_loc[3]; |
3c2583a6 | 714 | int read_ok; |
f4a0ef36 | 715 | u16 not_ready = 0; |
f8f71331 | 716 | u8 IrqStat = Acknowledge; |
5c96969c | 717 | u16 Cmd; |
115d0459 | 718 | int i; |
ef79bbde | 719 | |
f8f71331 | 720 | if (cdr.IrqStat) { |
4d74a45a | 721 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
f8f71331 | 722 | cdr.CmdInProgress, cdr.IrqStat); |
ef79bbde P |
723 | return; |
724 | } | |
4d384ca8 | 725 | if (cdr.Irq1Pending) { |
726 | // hand out the "newest" sector, according to nocash | |
727 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
4d74a45a | 728 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
729 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
730 | cdr.CmdInProgress, cdr.Irq1Pending); | |
4d384ca8 | 731 | SetResultSize(1); |
732 | cdr.Result[0] = cdr.Irq1Pending; | |
4d384ca8 | 733 | cdr.Irq1Pending = 0; |
f8f71331 | 734 | setIrq((cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady, 0x1003); |
4d384ca8 | 735 | return; |
736 | } | |
ef79bbde | 737 | |
e4268a49 | 738 | // default response |
739 | SetResultSize(1); | |
740 | cdr.Result[0] = cdr.StatP; | |
e4268a49 | 741 | |
5c96969c | 742 | Cmd = cdr.CmdInProgress; |
743 | cdr.CmdInProgress = 0; | |
744 | ParamC = cdr.ParamC; | |
e4268a49 | 745 | |
5c96969c | 746 | if (Cmd < 0x100) { |
f4a0ef36 | 747 | cdr.Ctrl &= ~0x80; |
5c96969c | 748 | cdr.ParamC = 0; |
f4a0ef36 | 749 | cdr.Cmd = 0; |
750 | } | |
751 | ||
752 | switch (cdr.DriveState) { | |
b4638ad9 | 753 | case DRIVESTATE_PREPARE_CD: |
754 | if (Cmd > 2) { | |
755 | // Syphon filter 2 expects commands to work shortly after it sees | |
756 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
757 | cdr.DriveState = DRIVESTATE_STANDBY; | |
758 | cdr.StatP &= ~STATUS_SEEK; | |
759 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
760 | break; | |
761 | } | |
762 | // fallthrough | |
f4a0ef36 | 763 | case DRIVESTATE_LID_OPEN: |
764 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 765 | // no disk or busy with the initial scan, allowed cmds are limited |
766 | not_ready = CMD_WHILE_NOT_READY; | |
767 | break; | |
5c96969c | 768 | } |
e4268a49 | 769 | |
f4a0ef36 | 770 | switch (Cmd | not_ready) { |
ef79bbde | 771 | case CdlNop: |
f4a0ef36 | 772 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 773 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
774 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
775 | break; |
776 | ||
777 | case CdlSetloc: | |
1b092fd9 | 778 | // case CdlSetloc + CMD_WHILE_NOT_READY: // or is it? |
115d0459 | 779 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
780 | ||
781 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
782 | 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)) | |
783 | { | |
ab88c81f | 784 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
14c8b56a | 785 | if (++cdr.errorRetryhack > 100) |
786 | break; | |
f8f71331 | 787 | error = ERROR_BAD_ARGNUM; |
115d0459 | 788 | goto set_error; |
789 | } | |
790 | else | |
791 | { | |
792 | for (i = 0; i < 3; i++) | |
115d0459 | 793 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 794 | memcpy(cdr.SetSector, set_loc, 3); |
795 | cdr.SetSector[3] = 0; | |
796 | cdr.SetlocPending = 1; | |
14c8b56a | 797 | cdr.errorRetryhack = 0; |
115d0459 | 798 | } |
ef79bbde P |
799 | break; |
800 | ||
55b8460a | 801 | do_CdlPlay: |
ef79bbde | 802 | case CdlPlay: |
030bd76a | 803 | StopCdda(); |
05e5c298 | 804 | StopReading(); |
805 | ||
d2e271b2 | 806 | cdr.FastBackward = 0; |
807 | cdr.FastForward = 0; | |
808 | ||
2d5ca6c0 | 809 | // BIOS CD Player |
810 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
811 | ||
5c96969c | 812 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 813 | int track = btoi( cdr.Param[0] ); |
814 | ||
815 | if (track <= cdr.ResultTN[1]) | |
816 | cdr.CurTrack = track; | |
817 | ||
818 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
819 | ||
820 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 821 | for (i = 0; i < 3; i++) |
822 | set_loc[i] = cdr.ResultTD[2 - i]; | |
823 | seekTime = cdrSeekTime(set_loc); | |
824 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 825 | } |
826 | } | |
05e5c298 | 827 | else if (cdr.SetlocPending) { |
828 | seekTime = cdrSeekTime(cdr.SetSector); | |
829 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
830 | } | |
831 | else { | |
832 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
833 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
834 | } | |
835 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 836 | |
9f8b032d | 837 | /* |
838 | Rayman: detect track changes | |
839 | - fixes logo freeze | |
840 | ||
841 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
842 | - plays tracks without retry play | |
843 | ||
844 | Wild 9: skip PREGAP + starting accurate SubQ | |
845 | - plays tracks without retry play | |
846 | */ | |
fffad32e | 847 | Find_CurTrack(cdr.SetSectorPlay); |
0eacae49 | 848 | generate_subq(cdr.SetSectorPlay); |
3c2583a6 | 849 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 850 | cdr.SubqForwardSectors = 1; |
fffad32e | 851 | cdr.TrackChanged = FALSE; |
78ce9be9 | 852 | cdr.FileChannelSelected = 0; |
853 | cdr.AdpcmActive = 0; | |
bbcd0c29 | 854 | cdr.ReportDelay = 60; |
b524c671 | 855 | cdr.sectorsRead = 0; |
9f8b032d | 856 | |
2d5ca6c0 | 857 | if (!Config.Cdda) |
2e88c317 | 858 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 859 | |
05e5c298 | 860 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 861 | |
862 | // BIOS player - set flag again | |
863 | cdr.Play = TRUE; | |
864 | ||
c4e62180 | 865 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 866 | start_rotating = 1; |
ef79bbde P |
867 | break; |
868 | ||
9f8b032d | 869 | case CdlForward: |
e4268a49 | 870 | // TODO: error 80 if stopped |
f8f71331 | 871 | IrqStat = Complete; |
2e88c317 | 872 | |
9f8b032d | 873 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 874 | cdr.FastForward = 1; |
9f8b032d | 875 | cdr.FastBackward = 0; |
ef79bbde P |
876 | break; |
877 | ||
9f8b032d | 878 | case CdlBackward: |
f8f71331 | 879 | IrqStat = Complete; |
9f8b032d | 880 | |
9f8b032d | 881 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 882 | cdr.FastBackward = 1; |
9f8b032d | 883 | cdr.FastForward = 0; |
ef79bbde P |
884 | break; |
885 | ||
9f8b032d | 886 | case CdlStandby: |
e4268a49 | 887 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
f8f71331 | 888 | error = ERROR_BAD_ARGNUM; |
e4268a49 | 889 | goto set_error; |
890 | } | |
5c96969c | 891 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 892 | start_rotating = 1; |
893 | break; | |
894 | ||
f4a0ef36 | 895 | case CdlStandby + CMD_PART2: |
f8f71331 | 896 | IrqStat = Complete; |
ef79bbde P |
897 | break; |
898 | ||
899 | case CdlStop: | |
030bd76a | 900 | if (cdr.Play) { |
901 | // grab time for current track | |
902 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
903 | ||
904 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
905 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
906 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
907 | } | |
908 | ||
909 | StopCdda(); | |
910 | StopReading(); | |
05e5c298 | 911 | SetPlaySeekRead(cdr.StatP, 0); |
912 | cdr.StatP &= ~STATUS_ROTATING; | |
3c2583a6 | 913 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 914 | |
5c96969c | 915 | second_resp_time = 0x800; |
e4268a49 | 916 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 917 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 918 | |
919 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 920 | break; |
921 | ||
f4a0ef36 | 922 | case CdlStop + CMD_PART2: |
f8f71331 | 923 | IrqStat = Complete; |
ef79bbde P |
924 | break; |
925 | ||
926 | case CdlPause: | |
05e5c298 | 927 | StopCdda(); |
928 | StopReading(); | |
b524c671 | 929 | |
930 | // how the drive maintains the position while paused is quite | |
931 | // complicated, this is the minimum to make "Bedlam" happy | |
932 | msfiSub(cdr.SetSectorPlay, MIN_VALUE(cdr.sectorsRead, 4)); | |
933 | cdr.sectorsRead = 0; | |
934 | ||
12228917 | 935 | /* |
936 | Gundam Battle Assault 2: much slower (*) | |
937 | - Fixes boot, gameplay | |
2e88c317 | 938 | |
12228917 | 939 | Hokuto no Ken 2: slower |
940 | - Fixes intro + subtitles | |
2e88c317 | 941 | |
12228917 | 942 | InuYasha - Feudal Fairy Tale: slower |
943 | - Fixes battles | |
944 | */ | |
62018a94 | 945 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
946 | * The timings from Duckstation are based upon hardware tests. | |
947 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
948 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 949 | * */ |
05e5c298 | 950 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 951 | { |
5c96969c | 952 | second_resp_time = 7000; |
62018a94 | 953 | } |
954 | else | |
955 | { | |
eab544ae | 956 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 1 : 2) * 1097107); |
62018a94 | 957 | } |
05e5c298 | 958 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
959 | break; |
960 | ||
f4a0ef36 | 961 | case CdlPause + CMD_PART2: |
f8f71331 | 962 | IrqStat = Complete; |
ef79bbde P |
963 | break; |
964 | ||
8399ca33 | 965 | case CdlReset: |
f4a0ef36 | 966 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 967 | StopCdda(); |
968 | StopReading(); | |
969 | SetPlaySeekRead(cdr.StatP, 0); | |
3c2583a6 | 970 | cdr.LocL[0] = LOCL_INVALID; |
8399ca33 | 971 | cdr.Muted = FALSE; |
dfd4f48e | 972 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 973 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 974 | start_rotating = 1; |
975 | break; | |
976 | ||
f4a0ef36 | 977 | case CdlReset + CMD_PART2: |
978 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
f8f71331 | 979 | IrqStat = Complete; |
ef79bbde P |
980 | break; |
981 | ||
9f8b032d | 982 | case CdlMute: |
030bd76a | 983 | cdr.Muted = TRUE; |
ef79bbde P |
984 | break; |
985 | ||
9f8b032d | 986 | case CdlDemute: |
030bd76a | 987 | cdr.Muted = FALSE; |
ef79bbde P |
988 | break; |
989 | ||
9f8b032d | 990 | case CdlSetfilter: |
78ce9be9 | 991 | cdr.FilterFile = cdr.Param[0]; |
992 | cdr.FilterChannel = cdr.Param[1]; | |
9f8b032d | 993 | break; |
ef79bbde P |
994 | |
995 | case CdlSetmode: | |
f4a0ef36 | 996 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 997 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
998 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 999 | break; |
ef79bbde | 1000 | |
95465b97 | 1001 | case CdlGetparam: |
f4a0ef36 | 1002 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 1003 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
f8f71331 | 1004 | SetResultSize_(5); |
9f8b032d | 1005 | cdr.Result[1] = cdr.Mode; |
95465b97 | 1006 | cdr.Result[2] = 0; |
78ce9be9 | 1007 | cdr.Result[3] = cdr.FilterFile; |
1008 | cdr.Result[4] = cdr.FilterChannel; | |
9f8b032d | 1009 | break; |
ef79bbde | 1010 | |
9f8b032d | 1011 | case CdlGetlocL: |
3c2583a6 | 1012 | if (cdr.LocL[0] == LOCL_INVALID) { |
1013 | error = 0x80; | |
1014 | goto set_error; | |
1015 | } | |
f8f71331 | 1016 | SetResultSize_(8); |
3c2583a6 | 1017 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 1018 | break; |
ef79bbde P |
1019 | |
1020 | case CdlGetlocP: | |
f8f71331 | 1021 | SetResultSize_(8); |
fffad32e | 1022 | memcpy(&cdr.Result, &cdr.subq, 8); |
e4268a49 | 1023 | break; |
892bd7d4 | 1024 | |
e4268a49 | 1025 | case CdlReadT: // SetSession? |
1026 | // really long | |
5c96969c | 1027 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 1028 | start_rotating = 1; |
1029 | break; | |
1030 | ||
f4a0ef36 | 1031 | case CdlReadT + CMD_PART2: |
f8f71331 | 1032 | IrqStat = Complete; |
ef79bbde P |
1033 | break; |
1034 | ||
9f8b032d | 1035 | case CdlGetTN: |
9f8b032d | 1036 | if (CDR_getTN(cdr.ResultTN) == -1) { |
f8f71331 | 1037 | assert(0); |
9f8b032d | 1038 | } |
f8f71331 | 1039 | SetResultSize_(3); |
1040 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1041 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
9f8b032d | 1042 | break; |
ef79bbde | 1043 | |
9f8b032d | 1044 | case CdlGetTD: |
ef79bbde | 1045 | cdr.Track = btoi(cdr.Param[0]); |
ef79bbde | 1046 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
f8f71331 | 1047 | error = ERROR_BAD_ARGVAL; |
1048 | goto set_error; | |
ef79bbde | 1049 | } |
f8f71331 | 1050 | SetResultSize_(3); |
1051 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1052 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
1053 | // no sector number | |
1054 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1055 | break; |
1056 | ||
9f8b032d | 1057 | case CdlSeekL: |
39df67df | 1058 | case CdlSeekP: |
030bd76a | 1059 | StopCdda(); |
1060 | StopReading(); | |
c4e62180 | 1061 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1062 | |
05e5c298 | 1063 | seekTime = cdrSeekTime(cdr.SetSector); |
1064 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1065 | /* |
1066 | Crusaders of Might and Magic = 0.5x-4x | |
1067 | - fix cutscene speech start | |
1068 | ||
1069 | Eggs of Steel = 2x-? | |
1070 | - fix new game | |
1071 | ||
1072 | Medievil = ?-4x | |
1073 | - fix cutscene speech | |
1074 | ||
1075 | Rockman X5 = 0.5-4x | |
1076 | - fix capcom logo | |
1077 | */ | |
c4e62180 | 1078 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1079 | start_rotating = 1; |
ef79bbde P |
1080 | break; |
1081 | ||
c4e62180 | 1082 | case CdlSeekL + CMD_PART2: |
1083 | case CdlSeekP + CMD_PART2: | |
1084 | SetPlaySeekRead(cdr.StatP, 0); | |
5b406fd9 | 1085 | cdr.Result[0] = cdr.StatP; |
f8f71331 | 1086 | IrqStat = Complete; |
c4e62180 | 1087 | |
1088 | Find_CurTrack(cdr.SetSectorPlay); | |
3c2583a6 | 1089 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1090 | if (read_ok && (buf = CDR_getBuffer())) | |
1091 | memcpy(cdr.LocL, buf, 8); | |
0eacae49 | 1092 | UpdateSubq(cdr.SetSectorPlay); |
c4e62180 | 1093 | cdr.TrackChanged = FALSE; |
3b8815fb | 1094 | cdr.LastReadSeekCycles = psxRegs.cycle; |
c4e62180 | 1095 | break; |
1096 | ||
ef79bbde | 1097 | case CdlTest: |
f4a0ef36 | 1098 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1099 | switch (cdr.Param[0]) { |
1100 | case 0x20: // System Controller ROM Version | |
f8f71331 | 1101 | SetResultSize_(4); |
ef79bbde P |
1102 | memcpy(cdr.Result, Test20, 4); |
1103 | break; | |
1104 | case 0x22: | |
f8f71331 | 1105 | SetResultSize_(8); |
ef79bbde P |
1106 | memcpy(cdr.Result, Test22, 4); |
1107 | break; | |
1108 | case 0x23: case 0x24: | |
f8f71331 | 1109 | SetResultSize_(8); |
ef79bbde P |
1110 | memcpy(cdr.Result, Test23, 4); |
1111 | break; | |
9f8b032d | 1112 | } |
ef79bbde P |
1113 | break; |
1114 | ||
9f8b032d | 1115 | case CdlID: |
5c96969c | 1116 | second_resp_time = 20480; |
ef79bbde P |
1117 | break; |
1118 | ||
f4a0ef36 | 1119 | case CdlID + CMD_PART2: |
f8f71331 | 1120 | SetResultSize_(8); |
89ec56af | 1121 | cdr.Result[0] = cdr.StatP; |
1122 | cdr.Result[1] = 0; | |
1123 | cdr.Result[2] = 0; | |
1124 | cdr.Result[3] = 0; | |
9f8b032d | 1125 | |
d8432250 | 1126 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1127 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1128 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1129 | } |
1130 | else { | |
89ec56af | 1131 | if (stat.Type == 2) |
1132 | cdr.Result[1] |= 0x10; | |
1133 | if (CdromId[0] == '\0') | |
9f8b032d | 1134 | cdr.Result[1] |= 0x80; |
9f8b032d | 1135 | } |
89ec56af | 1136 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9dca6543 | 1137 | CDR_LOG_I("CdlID: %02x %02x %02x %02x\n", cdr.Result[0], |
1138 | cdr.Result[1], cdr.Result[2], cdr.Result[3]); | |
9f8b032d | 1139 | |
3e42b115 | 1140 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1141 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
f8f71331 | 1142 | IrqStat = Complete; |
ef79bbde P |
1143 | break; |
1144 | ||
8399ca33 | 1145 | case CdlInit: |
f4a0ef36 | 1146 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1147 | StopCdda(); |
1148 | StopReading(); | |
1149 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1150 | // yes, it really sets STATUS_SHELLOPEN |
1151 | cdr.StatP |= STATUS_SHELLOPEN; | |
1152 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
c6a249e3 | 1153 | set_event(PSXINT_CDRLID, 20480); |
e4268a49 | 1154 | start_rotating = 1; |
9f8b032d | 1155 | break; |
1156 | ||
e4268a49 | 1157 | case CdlGetQ: |
f4a0ef36 | 1158 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1159 | break; |
1160 | ||
1161 | case CdlReadToc: | |
f4a0ef36 | 1162 | case CdlReadToc + CMD_WHILE_NOT_READY: |
3c2583a6 | 1163 | cdr.LocL[0] = LOCL_INVALID; |
5c96969c | 1164 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1165 | start_rotating = 1; |
ef79bbde P |
1166 | break; |
1167 | ||
f4a0ef36 | 1168 | case CdlReadToc + CMD_PART2: |
1169 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
f8f71331 | 1170 | IrqStat = Complete; |
ef79bbde P |
1171 | break; |
1172 | ||
94c118c3 | 1173 | case CdlReadN: |
1174 | case CdlReadS: | |
ab88c81f | 1175 | if (cdr.Reading && !cdr.SetlocPending) |
1176 | break; | |
1177 | ||
05e5c298 | 1178 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1179 | |
1180 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1181 | // Read* acts as play for cdda tracks in cdda mode | |
1182 | goto do_CdlPlay; | |
1183 | ||
05e5c298 | 1184 | StopCdda(); |
1185 | if (cdr.SetlocPending) { | |
1186 | seekTime = cdrSeekTime(cdr.SetSector); | |
1187 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1188 | cdr.SetlocPending = 0; | |
1189 | } | |
030bd76a | 1190 | cdr.Reading = 1; |
78ce9be9 | 1191 | cdr.FileChannelSelected = 0; |
1192 | cdr.AdpcmActive = 0; | |
ef79bbde | 1193 | |
9f8b032d | 1194 | // Fighting Force 2 - update subq time immediately |
1195 | // - fixes new game | |
0eacae49 | 1196 | UpdateSubq(cdr.SetSectorPlay); |
3c2583a6 | 1197 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 1198 | cdr.SubqForwardSectors = 1; |
b524c671 | 1199 | cdr.sectorsRead = 0; |
9f8b032d | 1200 | |
dfd4f48e | 1201 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
fc7764f1 | 1202 | cycles += seekTime; |
d0d2939d | 1203 | if (Config.hacks.cdr_read_timing) |
1204 | cycles = cdrAlignTimingHack(cycles); | |
fc7764f1 | 1205 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1206 | |
05e5c298 | 1207 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1208 | start_rotating = 1; |
ef79bbde | 1209 | break; |
3c2583a6 | 1210 | |
f96ca921 | 1211 | case CdlSync: |
ef79bbde | 1212 | default: |
e4268a49 | 1213 | error = ERROR_INVALIDCMD; |
1214 | // FALLTHROUGH | |
1215 | ||
1216 | set_error: | |
f8f71331 | 1217 | SetResultSize_(2); |
e4268a49 | 1218 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; |
f4a0ef36 | 1219 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
f8f71331 | 1220 | IrqStat = DiskError; |
26d28fa4 | 1221 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, cdr.Result[1]); |
ef79bbde P |
1222 | break; |
1223 | } | |
1224 | ||
e4268a49 | 1225 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1226 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1227 | cdr.StatP |= STATUS_ROTATING; | |
1228 | } | |
1229 | ||
5c96969c | 1230 | if (second_resp_time) { |
1231 | cdr.CmdInProgress = Cmd | 0x100; | |
c6a249e3 | 1232 | set_event(PSXINT_CDR, second_resp_time); |
5c96969c | 1233 | } |
1234 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1235 | cdr.CmdInProgress = cdr.Cmd; | |
4d74a45a | 1236 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
5c96969c | 1237 | } |
1238 | ||
f8f71331 | 1239 | setIrq(IrqStat, Cmd); |
ef79bbde P |
1240 | } |
1241 | ||
8f2bb0cb | 1242 | #ifdef HAVE_ARMV7 |
53598a71 | 1243 | #define ssat32_to_16(v) \ |
1244 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1245 | #else | |
1246 | #define ssat32_to_16(v) do { \ | |
1247 | if (v < -32768) v = -32768; \ | |
1248 | else if (v > 32767) v = 32767; \ | |
1249 | } while (0) | |
1250 | #endif | |
1251 | ||
3e629be9 | 1252 | static void cdrPrepCdda(s16 *buf, int samples) |
1253 | { | |
1254 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1255 | int i; | |
1256 | for (i = 0; i < samples; i++) { | |
1257 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1258 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1259 | } | |
1260 | #endif | |
1261 | } | |
1262 | ||
1263 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1264 | { |
1265 | int i, l, r; | |
1266 | int ll = cdr.AttenuatorLeftToLeft; | |
1267 | int lr = cdr.AttenuatorLeftToRight; | |
1268 | int rl = cdr.AttenuatorRightToLeft; | |
1269 | int rr = cdr.AttenuatorRightToRight; | |
1270 | ||
1271 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1272 | return; | |
1273 | ||
1274 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1275 | return; | |
1276 | ||
1277 | if (stereo) { | |
1278 | for (i = 0; i < samples; i++) { | |
1279 | l = buf[i * 2]; | |
1280 | r = buf[i * 2 + 1]; | |
1281 | l = (l * ll + r * rl) >> 7; | |
1282 | r = (r * rr + l * lr) >> 7; | |
1283 | ssat32_to_16(l); | |
1284 | ssat32_to_16(r); | |
1285 | buf[i * 2] = l; | |
1286 | buf[i * 2 + 1] = r; | |
1287 | } | |
1288 | } | |
1289 | else { | |
1290 | for (i = 0; i < samples; i++) { | |
1291 | l = buf[i]; | |
1292 | l = l * (ll + rl) >> 7; | |
1293 | //r = r * (rr + lr) >> 7; | |
1294 | ssat32_to_16(l); | |
1295 | //ssat32_to_16(r); | |
1296 | buf[i] = l; | |
1297 | } | |
1298 | } | |
1299 | } | |
1300 | ||
f55c59b7 | 1301 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1302 | { |
f8f71331 | 1303 | if (cdr.IrqStat) { |
4d74a45a | 1304 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f55c59b7 | 1305 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
f8f71331 | 1306 | cdr.CmdInProgress, cdr.IrqStat); |
f55c59b7 | 1307 | cdr.Irq1Pending = result; |
ef79bbde P |
1308 | return; |
1309 | } | |
ef79bbde | 1310 | SetResultSize(1); |
f55c59b7 | 1311 | cdr.Result[0] = result; |
f8f71331 | 1312 | setIrq((result & STATUS_ERROR) ? DiskError : DataReady, 0x1004); |
f55c59b7 | 1313 | } |
1314 | ||
1315 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1316 | { | |
1317 | if (!buf) | |
1318 | return; | |
1319 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1320 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
b524c671 | 1321 | CDR_LOG("cdr.Transfer %02x:%02x:%02x\n", |
1322 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1323 | if (cdr.FifoOffset < 2048 + 12) |
4d74a45a | 1324 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f55c59b7 | 1325 | } |
1326 | ||
1327 | static void cdrReadInterrupt(void) | |
1328 | { | |
78ce9be9 | 1329 | const struct { u8 file, chan, mode, coding; } *subhdr; |
1330 | const u8 *buf = NULL; | |
1331 | int deliver_data = 1; | |
0eacae49 | 1332 | u8 subqPos[3]; |
3c2583a6 | 1333 | int read_ok; |
f55c59b7 | 1334 | |
0eacae49 | 1335 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1336 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1337 | UpdateSubq(subqPos); | |
1338 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1339 | cdr.SubqForwardSectors++; | |
1340 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1341 | return; | |
1342 | } | |
1343 | ||
e33e9f99 | 1344 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1345 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
b524c671 | 1346 | cdr.sectorsRead++; |
e33e9f99 | 1347 | |
3c2583a6 | 1348 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1349 | if (read_ok) | |
f55c59b7 | 1350 | buf = CDR_getBuffer(); |
ef79bbde | 1351 | if (buf == NULL) |
3c2583a6 | 1352 | read_ok = 0; |
ef79bbde | 1353 | |
3c2583a6 | 1354 | if (!read_ok) { |
8b380e97 | 1355 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f55c59b7 | 1356 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1357 | return; |
1358 | } | |
3c2583a6 | 1359 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1360 | |
f8f71331 | 1361 | if (!cdr.IrqStat && !cdr.Irq1Pending) |
f55c59b7 | 1362 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1363 | |
78ce9be9 | 1364 | subhdr = (void *)(buf + 4); |
1365 | do { | |
1366 | // try to process as adpcm | |
1367 | if (!(cdr.Mode & MODE_STRSND)) | |
1368 | break; | |
1369 | if (buf[3] != 2 || (subhdr->mode & 0x44) != 0x44) // or 0x64? | |
1370 | break; | |
1371 | CDR_LOG("f=%d m=%d %d,%3d | %d,%2d | %d,%2d\n", !!(cdr.Mode & MODE_SF), cdr.Muted, | |
1372 | subhdr->file, subhdr->chan, cdr.CurFile, cdr.CurChannel, cdr.FilterFile, cdr.FilterChannel); | |
1373 | if ((cdr.Mode & MODE_SF) && (subhdr->file != cdr.FilterFile || subhdr->chan != cdr.FilterChannel)) | |
1374 | break; | |
1375 | if (subhdr->chan & 0xe0) { // ? | |
1376 | if (subhdr->chan != 0xff) | |
1377 | log_unhandled("adpcm %d:%d\n", subhdr->file, subhdr->chan); | |
1378 | break; | |
1379 | } | |
1380 | if (!cdr.FileChannelSelected) { | |
1381 | cdr.CurFile = subhdr->file; | |
1382 | cdr.CurChannel = subhdr->chan; | |
1383 | cdr.FileChannelSelected = 1; | |
9f8b032d | 1384 | } |
78ce9be9 | 1385 | else if (subhdr->file != cdr.CurFile || subhdr->chan != cdr.CurChannel) |
1386 | break; | |
9f8b032d | 1387 | |
78ce9be9 | 1388 | // accepted as adpcm |
1389 | deliver_data = 0; | |
1390 | ||
1391 | if (Config.Xa) | |
1392 | break; | |
1393 | if (!cdr.Muted && cdr.AdpcmActive) { | |
1394 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); | |
1395 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, 0); | |
ef79bbde | 1396 | } |
78ce9be9 | 1397 | // decode next |
1398 | cdr.AdpcmActive = !xa_decode_sector(&cdr.Xa, buf + 4, !cdr.AdpcmActive); | |
1399 | } while (0); | |
1400 | ||
1401 | if ((cdr.Mode & MODE_SF) && (subhdr->mode & 0x44) == 0x44) // according to nocash | |
1402 | deliver_data = 0; | |
ef79bbde | 1403 | |
f55c59b7 | 1404 | /* |
1405 | Croc 2: $40 - only FORM1 (*) | |
1406 | Judge Dredd: $C8 - only FORM1 (*) | |
1407 | Sim Theme Park - no adpcm at all (zero) | |
1408 | */ | |
1409 | ||
78ce9be9 | 1410 | if (deliver_data) |
f55c59b7 | 1411 | cdrReadInterruptSetResult(cdr.StatP); |
1412 | ||
0eacae49 | 1413 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1414 | |
c4e62180 | 1415 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1416 | } |
9f8b032d | 1417 | |
ef79bbde P |
1418 | /* |
1419 | cdrRead0: | |
78ce9be9 | 1420 | bit 0,1 - reg index |
1421 | bit 2 - adpcm active | |
ef79bbde P |
1422 | bit 5 - 1 result ready |
1423 | bit 6 - 1 dma ready | |
1424 | bit 7 - 1 command being processed | |
1425 | */ | |
1426 | ||
1427 | unsigned char cdrRead0(void) { | |
78ce9be9 | 1428 | cdr.Ctrl &= ~0x24; |
1429 | cdr.Ctrl |= cdr.AdpcmActive << 2; | |
1430 | cdr.Ctrl |= cdr.ResultReady << 5; | |
ef79bbde | 1431 | |
5c96969c | 1432 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1433 | |
1434 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1435 | cdr.Ctrl |= 0x18; | |
1436 | ||
e7acd858 | 1437 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1438 | |
1439 | return psxHu8(0x1800) = cdr.Ctrl; | |
1440 | } | |
1441 | ||
ef79bbde | 1442 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1443 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1444 | |
50b13be9 | 1445 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1446 | } |
1447 | ||
1448 | unsigned char cdrRead1(void) { | |
94c118c3 | 1449 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1450 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1451 | else |
ef79bbde | 1452 | psxHu8(0x1801) = 0; |
94c118c3 | 1453 | cdr.ResultP++; |
1454 | if (cdr.ResultP == cdr.ResultC) | |
1455 | cdr.ResultReady = 0; | |
1456 | ||
e7acd858 | 1457 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1458 | |
ef79bbde P |
1459 | return psxHu8(0x1801); |
1460 | } | |
1461 | ||
1462 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1463 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1464 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1465 | |
94c118c3 | 1466 | switch (cdr.Ctrl & 3) { |
1467 | case 0: | |
1468 | break; | |
1469 | case 3: | |
53598a71 | 1470 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1471 | return; |
1472 | default: | |
1473 | return; | |
9f8b032d | 1474 | } |
1475 | ||
8b380e97 | 1476 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1477 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1478 | if (cdr.ParamC) { |
e7acd858 | 1479 | int i; |
ef79bbde P |
1480 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1481 | for (i = 0; i < cdr.ParamC; i++) | |
1482 | SysPrintf(" %x,", cdr.Param[i]); | |
1483 | SysPrintf("}\n"); | |
1484 | } else { | |
1485 | SysPrintf("\n"); | |
1486 | } | |
1487 | #endif | |
1488 | ||
2daaaae3 | 1489 | cdr.ResultReady = 0; |
94c118c3 | 1490 | cdr.Ctrl |= 0x80; |
8b380e97 | 1491 | |
5c96969c | 1492 | if (!cdr.CmdInProgress) { |
1493 | cdr.CmdInProgress = rt; | |
1494 | // should be something like 12k + controller delays | |
c6a249e3 | 1495 | set_event(PSXINT_CDR, 5000); |
9f8b032d | 1496 | } |
5c96969c | 1497 | else { |
4d74a45a | 1498 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1499 | rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1500 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1501 | cdr.CmdInProgress = rt; | |
1502 | } | |
1503 | ||
1504 | cdr.Cmd = rt; | |
ef79bbde P |
1505 | } |
1506 | ||
1507 | unsigned char cdrRead2(void) { | |
ca37f771 | 1508 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1509 | |
e411faef | 1510 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1511 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1512 | else | |
4d74a45a | 1513 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1514 | |
e7acd858 | 1515 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1516 | return ret; |
1517 | } | |
1518 | ||
1519 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1520 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1521 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1522 | |
94c118c3 | 1523 | switch (cdr.Ctrl & 3) { |
1524 | case 0: | |
1525 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1526 | cdr.Param[cdr.ParamC++] = rt; | |
1527 | return; | |
1528 | case 1: | |
f8f71331 | 1529 | cdr.IrqMask = rt; |
1530 | setIrq(cdr.IrqStat, 0x1005); | |
94c118c3 | 1531 | return; |
1532 | case 2: | |
53598a71 | 1533 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1534 | return; |
1535 | case 3: | |
53598a71 | 1536 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1537 | return; |
ef79bbde P |
1538 | } |
1539 | } | |
1540 | ||
1541 | unsigned char cdrRead3(void) { | |
94c118c3 | 1542 | if (cdr.Ctrl & 0x1) |
f8f71331 | 1543 | psxHu8(0x1803) = cdr.IrqStat | 0xE0; |
94c118c3 | 1544 | else |
f8f71331 | 1545 | psxHu8(0x1803) = cdr.IrqMask | 0xE0; |
8b380e97 | 1546 | |
e7acd858 | 1547 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1548 | return psxHu8(0x1803); |
1549 | } | |
1550 | ||
1551 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1552 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1553 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1554 | |
94c118c3 | 1555 | switch (cdr.Ctrl & 3) { |
1556 | case 0: | |
a34a2445 | 1557 | break; // transfer |
94c118c3 | 1558 | case 1: |
f8f71331 | 1559 | if (cdr.IrqStat & rt) { |
aced3eb3 | 1560 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1561 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
4d74a45a | 1562 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
5c96969c | 1563 | #ifdef CDR_LOG_CMD_IRQ |
f8f71331 | 1564 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", |
1565 | cdr.IrqStat & rt, rt, !!pending, cdr.CmdInProgress, | |
4d74a45a | 1566 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); |
5c96969c | 1567 | #endif |
aced3eb3 | 1568 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
4d74a45a | 1569 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
aced3eb3 | 1570 | { |
792f1697 | 1571 | s32 c = 2048; |
1572 | if (cdr.CmdInProgress) { | |
1573 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1574 | c = MAX_VALUE(c, 512); | |
1575 | } | |
c6a249e3 | 1576 | set_event(PSXINT_CDR, c); |
aced3eb3 | 1577 | } |
4d384ca8 | 1578 | } |
f8f71331 | 1579 | cdr.IrqStat &= ~rt; |
a34a2445 | 1580 | |
1581 | if (rt & 0x40) | |
1582 | cdr.ParamC = 0; | |
1583 | return; | |
94c118c3 | 1584 | case 2: |
53598a71 | 1585 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1586 | return; |
1587 | case 3: | |
53598a71 | 1588 | if (rt & 0x20) { |
1589 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1590 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1591 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1592 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1593 | } | |
94c118c3 | 1594 | return; |
9f8b032d | 1595 | } |
056d6759 | 1596 | |
e411faef | 1597 | // test: Viewpoint |
1598 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1599 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1600 | } | |
1601 | else if (rt & 0x80) { | |
dfd4f48e | 1602 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1603 | case MODE_SIZE_2328: |
ef79bbde | 1604 | case 0x00: |
6cbdadb3 | 1605 | cdr.FifoOffset = 12; |
e411faef | 1606 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1607 | break; |
9f8b032d | 1608 | |
1609 | case MODE_SIZE_2340: | |
ef79bbde | 1610 | default: |
6cbdadb3 | 1611 | cdr.FifoOffset = 0; |
e411faef | 1612 | cdr.FifoSize = 2340; |
ef79bbde P |
1613 | break; |
1614 | } | |
1615 | } | |
e411faef | 1616 | else if (!(rt & 0xc0)) |
1617 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1618 | } |
1619 | ||
1620 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
d01bb904 | 1621 | u32 cdsize, max_words; |
c7071c43 | 1622 | int size; |
ef79bbde P |
1623 | u8 *ptr; |
1624 | ||
4d74a45a | 1625 | #if 0 |
1626 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1627 | if (cdr.FifoOffset == 0) { | |
1628 | ptr = cdr.Transfer; | |
1629 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1630 | } | |
1631 | SysPrintf("\n"); | |
1632 | #endif | |
ef79bbde | 1633 | |
7b68d92c | 1634 | switch (chcr & 0x71000000) { |
ef79bbde | 1635 | case 0x11000000: |
d01bb904 | 1636 | ptr = getDmaRam(madr, &max_words); |
b012a437 | 1637 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1638 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1639 | break; |
1640 | } | |
9f8b032d | 1641 | |
6cbdadb3 | 1642 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1643 | ||
9f8b032d | 1644 | /* |
1645 | GS CDX: Enhancement CD crash | |
1646 | - Setloc 0:0:0 | |
1647 | - CdlPlay | |
1648 | - Spams DMA3 and gets buffer overrun | |
1649 | */ | |
6cbdadb3 | 1650 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1651 | if (size > cdsize) |
1652 | size = cdsize; | |
d01bb904 | 1653 | if (size > max_words * 4) |
1654 | size = max_words * 4; | |
c7071c43 | 1655 | if (size > 0) |
9f8b032d | 1656 | { |
6cbdadb3 | 1657 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1658 | cdr.FifoOffset += size; | |
9f8b032d | 1659 | } |
ca37f771 | 1660 | if (size < cdsize) { |
7df2c03c | 1661 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
ca37f771 | 1662 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1663 | } | |
1664 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1665 | |
c6a249e3 | 1666 | set_event(PSXINT_CDRDMA, (cdsize / 4) * 24); |
7b68d92c | 1667 | |
1668 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1669 | if (chcr & 0x100) { | |
58ebb94c | 1670 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1671 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1672 | } |
7b68d92c | 1673 | else { |
fc4803bd | 1674 | // halted |
7b68d92c | 1675 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1676 | } |
1677 | return; | |
1678 | ||
ef79bbde | 1679 | default: |
7df2c03c | 1680 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1681 | break; |
1682 | } | |
1683 | ||
1684 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1685 | DMA_INTERRUPT(3); | |
1686 | } | |
1687 | ||
28eea6ac | 1688 | void cdrDmaInterrupt(void) |
9f8b032d | 1689 | { |
ad418c19 | 1690 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1691 | { | |
1692 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1693 | DMA_INTERRUPT(3); | |
1694 | } | |
9f8b032d | 1695 | } |
1696 | ||
fffad32e | 1697 | static void getCdInfo(void) |
1698 | { | |
1699 | u8 tmp; | |
1700 | ||
1701 | CDR_getTN(cdr.ResultTN); | |
1702 | CDR_getTD(0, cdr.SetSectorEnd); | |
1703 | tmp = cdr.SetSectorEnd[0]; | |
1704 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1705 | cdr.SetSectorEnd[2] = tmp; | |
1706 | } | |
1707 | ||
ef79bbde P |
1708 | void cdrReset() { |
1709 | memset(&cdr, 0, sizeof(cdr)); | |
1710 | cdr.CurTrack = 1; | |
78ce9be9 | 1711 | cdr.FilterFile = 0; |
1712 | cdr.FilterChannel = 0; | |
f8f71331 | 1713 | cdr.IrqMask = 0x1f; |
1714 | cdr.IrqStat = NoIntr; | |
6cbdadb3 | 1715 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b7f50ee7 | 1716 | |
1717 | CDR_getStatus(&stat); | |
1718 | if (stat.Status & STATUS_SHELLOPEN) { | |
1719 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
1720 | cdr.StatP = STATUS_SHELLOPEN; | |
1721 | } | |
1722 | else if (CdromId[0] == '\0') { | |
b4638ad9 | 1723 | cdr.DriveState = DRIVESTATE_STOPPED; |
1724 | cdr.StatP = 0; | |
1725 | } | |
1726 | else { | |
1727 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1728 | cdr.StatP = STATUS_ROTATING; | |
1729 | } | |
2e88c317 | 1730 | |
056d6759 | 1731 | // BIOS player - default values |
53598a71 | 1732 | cdr.AttenuatorLeftToLeft = 0x80; |
1733 | cdr.AttenuatorLeftToRight = 0x00; | |
1734 | cdr.AttenuatorRightToLeft = 0x00; | |
1735 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1736 | |
1737 | getCdInfo(); | |
ef79bbde P |
1738 | } |
1739 | ||
496d88d4 | 1740 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1741 | u32 tmp; |
fffad32e | 1742 | u8 tmpp[3]; |
ef79bbde | 1743 | |
fffad32e | 1744 | if (Mode == 0 && !Config.Cdda) |
1745 | CDR_stop(); | |
9f8b032d | 1746 | |
55b8460a | 1747 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1748 | gzfreeze(&cdr, sizeof(cdr)); |
1749 | ||
94c118c3 | 1750 | if (Mode == 1) { |
1751 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1752 | tmp = cdr.FifoOffset; |
94c118c3 | 1753 | } |
ef79bbde P |
1754 | |
1755 | gzfreeze(&tmp, sizeof(tmp)); | |
1756 | ||
42f3c512 | 1757 | if (Mode == 0) { |
fffad32e | 1758 | getCdInfo(); |
1759 | ||
ca37f771 | 1760 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
dfd4f48e | 1761 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
0eacae49 | 1762 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1763 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1764 | |
fffad32e | 1765 | // read right sub data |
0204c39a DS |
1766 | tmpp[0] = btoi(cdr.Prev[0]); |
1767 | tmpp[1] = btoi(cdr.Prev[1]); | |
1768 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1769 | cdr.Prev[0]++; |
73b29eeb | 1770 | ReadTrack(tmpp); |
fffad32e | 1771 | |
1772 | if (cdr.Play) { | |
55b8460a | 1773 | if (cdr.freeze_ver < 0x63647202) |
1774 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1775 | ||
fffad32e | 1776 | Find_CurTrack(cdr.SetSectorPlay); |
1777 | if (!Config.Cdda) | |
2e88c317 | 1778 | CDR_play(cdr.SetSectorPlay); |
fffad32e | 1779 | } |
42f3c512 | 1780 | } |
1781 | ||
ef79bbde P |
1782 | return 0; |
1783 | } | |
9f8b032d | 1784 | |
28eea6ac | 1785 | void LidInterrupt(void) { |
fffad32e | 1786 | getCdInfo(); |
80f91a20 | 1787 | cdrLidSeekInterrupt(); |
9f8b032d | 1788 | } |