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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 | ||
752c1c85 | 24 | #include <assert.h> |
ef79bbde | 25 | #include "cdrom.h" |
de74f599 | 26 | #include "misc.h" |
ef79bbde | 27 | #include "ppf.h" |
9f8b032d | 28 | #include "psxdma.h" |
9a0a61d2 | 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 | |
10b9bf1e | 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 | ||
af93c8be | 51 | static struct { |
7f2576b2 | 52 | // unused members maintain savesate compatibility |
53 | unsigned char unused0; | |
54 | unsigned char unused1; | |
0b988c8b | 55 | unsigned char IrqMask; |
7f2576b2 | 56 | unsigned char unused2; |
af93c8be | 57 | unsigned char Ctrl; |
0b988c8b | 58 | unsigned char IrqStat; |
af93c8be | 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; | |
a6e03490 | 70 | unsigned char ReportDelay; |
b9a092f5 | 71 | unsigned char unused3; |
72 | unsigned short sectorsRead; | |
af93c8be | 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; | |
752c1c85 | 85 | unsigned char SubqForwardSectors; |
af93c8be | 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; | |
5c5e6c0c | 97 | unsigned char Mode; |
98 | unsigned char FileChannelSelected; | |
99 | unsigned char CurFile, CurChannel; | |
100 | int FilterFile, FilterChannel; | |
70c1043e | 101 | unsigned char LocL[8]; |
5c5e6c0c | 102 | int unused4; |
af93c8be | 103 | |
104 | xa_decode_t Xa; | |
105 | ||
742a21f2 | 106 | u16 FifoOffset; |
107 | u16 FifoSize; | |
af93c8be | 108 | |
7f2576b2 | 109 | u16 CmdInProgress; |
f5450cfb | 110 | u8 Irq1Pending; |
5c5e6c0c | 111 | u8 AdpcmActive; |
e7606d0e | 112 | u32 LastReadSeekCycles; |
af93c8be | 113 | |
7f2576b2 | 114 | u8 unused7; |
af93c8be | 115 | |
cc1e8bd4 | 116 | u8 DriveState; // enum drive_state |
af93c8be | 117 | u8 FastForward; |
118 | u8 FastBackward; | |
4f38d1f8 | 119 | u8 errorRetryhack; |
af93c8be | 120 | |
121 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
122 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
123 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
124 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
125 | } cdr; | |
f4627eb3 | 126 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
127 | |
128 | /* CD-ROM magic numbers */ | |
1f035e27 | 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 | |
b0bd140d | 139 | #define CdlReset 10 |
ef79bbde P |
140 | #define CdlMute 11 |
141 | #define CdlDemute 12 | |
142 | #define CdlSetfilter 13 | |
143 | #define CdlSetmode 14 | |
dcd72441 | 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 | |
b0bd140d | 157 | #define CdlInit 28 |
e4268a49 | 158 | #define CdlGetQ 29 |
ef79bbde P |
159 | #define CdlReadToc 30 |
160 | ||
af93c8be | 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", | |
b0bd140d | 165 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 166 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
167 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
168 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
169 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 170 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 171 | }; |
af93c8be | 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 | ||
0b988c8b | 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 | |
4a6b26b8 | 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 |
0b988c8b | 212 | #define ERROR_BAD_ARGNUM (1<<5) // 0x20 |
213 | #define ERROR_BAD_ARGVAL (1<<4) // 0x10 | |
4a6b26b8 | 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 | ||
70c1043e | 221 | #define LOCL_INVALID 0xff |
752c1c85 | 222 | #define SUBQ_FORWARD_SECTORS 2u |
70c1043e | 223 | |
80f91a20 | 224 | enum drive_state { |
cc1e8bd4 | 225 | DRIVESTATE_STANDBY = 0, // different from paused |
80f91a20 | 226 | DRIVESTATE_LID_OPEN, |
227 | DRIVESTATE_RESCAN_CD, | |
228 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 229 | DRIVESTATE_STOPPED, |
cc1e8bd4 | 230 | DRIVESTATE_PAUSED, |
231 | DRIVESTATE_PLAY_READ, | |
232 | DRIVESTATE_SEEK, | |
80f91a20 | 233 | }; |
234 | ||
ef79bbde | 235 | static struct CdrStat stat; |
ef79bbde | 236 | |
fffad32e | 237 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 238 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
239 | } | |
240 | ||
fffad32e | 241 | // for that weird psemu API.. |
242 | static unsigned int fsm2sec(const u8 *msf) { | |
243 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
244 | } | |
245 | ||
305c8c93 | 246 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 247 | msf[0] = s / 75 / 60; |
248 | s = s - msf[0] * 75 * 60; | |
249 | msf[1] = s / 75; | |
250 | s = s - msf[1] * 75; | |
251 | msf[2] = s; | |
252 | } | |
253 | ||
480e570b | 254 | // cdrPlayReadInterrupt |
255 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
df717ca9 | 256 | u32 e_ = eCycle; \ |
d28b54b1 | 257 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
df717ca9 | 258 | if (isFirst) \ |
259 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
260 | else \ | |
261 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
262 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
9a0a61d2 | 263 | set_event_raw_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ |
9f8b032d | 264 | } |
265 | ||
ef79bbde | 266 | #define StopReading() { \ |
f522e63c | 267 | cdr.Reading = 0; \ |
268 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
269 | } |
270 | ||
271 | #define StopCdda() { \ | |
f522e63c | 272 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
273 | cdr.Play = FALSE; \ | |
274 | cdr.FastForward = 0; \ | |
275 | cdr.FastBackward = 0; \ | |
276 | } | |
277 | ||
278 | #define SetPlaySeekRead(x, f) { \ | |
279 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
280 | x |= f; \ | |
ef79bbde P |
281 | } |
282 | ||
0b988c8b | 283 | #define SetResultSize_(size) { \ |
94c118c3 | 284 | cdr.ResultP = 0; \ |
ef79bbde P |
285 | cdr.ResultC = size; \ |
286 | cdr.ResultReady = 1; \ | |
287 | } | |
288 | ||
0b988c8b | 289 | #define SetResultSize(size) { \ |
290 | if (cdr.ResultP < cdr.ResultC) \ | |
291 | CDR_LOG_I("overwriting result, len=%u\n", cdr.ResultC); \ | |
292 | SetResultSize_(size); \ | |
293 | } | |
294 | ||
295 | static void setIrq(u8 irq, int log_cmd) | |
94c118c3 | 296 | { |
0b988c8b | 297 | u8 old = cdr.IrqStat & cdr.IrqMask ? 1 : 0; |
298 | u8 new_ = irq & cdr.IrqMask ? 1 : 0; | |
299 | ||
300 | cdr.IrqStat = irq; | |
301 | if ((old ^ new_) & new_) | |
94c118c3 | 302 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
af93c8be | 303 | |
304 | #ifdef CDR_LOG_CMD_IRQ | |
0b988c8b | 305 | if (cdr.IrqStat) |
af93c8be | 306 | { |
307 | int i; | |
0b988c8b | 308 | CDR_LOG_I("CDR IRQ=%d cmd %02x irqstat %02x: ", |
309 | !!(cdr.IrqStat & cdr.IrqMask), log_cmd, cdr.IrqStat); | |
af93c8be | 310 | for (i = 0; i < cdr.ResultC; i++) |
311 | SysPrintf("%02x ", cdr.Result[i]); | |
312 | SysPrintf("\n"); | |
313 | } | |
314 | #endif | |
94c118c3 | 315 | } |
9f8b032d | 316 | |
80f91a20 | 317 | // timing used in this function was taken from tests on real hardware |
318 | // (yes it's slow, but you probably don't want to modify it) | |
d9a02493 | 319 | void cdrLidSeekInterrupt(void) |
9f8b032d | 320 | { |
10b9bf1e | 321 | CDR_LOG_I("%s cdr.DriveState=%d\n", __func__, cdr.DriveState); |
871bedc6 | 322 | |
80f91a20 | 323 | switch (cdr.DriveState) { |
324 | default: | |
325 | case DRIVESTATE_STANDBY: | |
f522e63c | 326 | StopCdda(); |
4a6b26b8 | 327 | //StopReading(); |
f522e63c | 328 | SetPlaySeekRead(cdr.StatP, 0); |
9f8b032d | 329 | |
80f91a20 | 330 | if (CDR_getStatus(&stat) == -1) |
331 | return; | |
9f8b032d | 332 | |
80f91a20 | 333 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 334 | { |
4d311cb7 | 335 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 336 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
9a0a61d2 | 337 | set_event(PSXINT_CDRLID, 0x800); |
80f91a20 | 338 | } |
339 | break; | |
9f8b032d | 340 | |
80f91a20 | 341 | case DRIVESTATE_LID_OPEN: |
342 | if (CDR_getStatus(&stat) == -1) | |
343 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 344 | |
80f91a20 | 345 | // 02, 12, 10 |
346 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
4a6b26b8 | 347 | SetPlaySeekRead(cdr.StatP, 0); |
80f91a20 | 348 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 349 | |
4a6b26b8 | 350 | // IIRC this sometimes doesn't happen on real hw |
351 | // (when lots of commands are sent?) | |
352 | if (cdr.Reading) { | |
353 | StopReading(); | |
354 | SetResultSize(2); | |
355 | cdr.Result[0] = cdr.StatP | STATUS_SEEKERROR; | |
356 | cdr.Result[1] = ERROR_SHELLOPEN; | |
0b988c8b | 357 | setIrq(DiskError, 0x1006); |
4a6b26b8 | 358 | } |
359 | if (cdr.CmdInProgress) { | |
360 | psxRegs.interrupt &= ~(1 << PSXINT_CDR); | |
361 | cdr.CmdInProgress = 0; | |
362 | SetResultSize(2); | |
363 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
364 | cdr.Result[1] = ERROR_NOTREADY; | |
0b988c8b | 365 | setIrq(DiskError, 0x1007); |
4a6b26b8 | 366 | } |
9f8b032d | 367 | |
9a0a61d2 | 368 | set_event(PSXINT_CDRLID, cdReadTime * 30); |
80f91a20 | 369 | break; |
9f8b032d | 370 | } |
80f91a20 | 371 | else if (cdr.StatP & STATUS_ROTATING) { |
372 | cdr.StatP &= ~STATUS_ROTATING; | |
373 | } | |
374 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
375 | // closed now | |
376 | CheckCdrom(); | |
9f8b032d | 377 | |
80f91a20 | 378 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
379 | // and is only cleared by CdlNop | |
9f8b032d | 380 | |
80f91a20 | 381 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
9a0a61d2 | 382 | set_event(PSXINT_CDRLID, cdReadTime * 105); |
80f91a20 | 383 | break; |
384 | } | |
9f8b032d | 385 | |
80f91a20 | 386 | // recheck for close |
9a0a61d2 | 387 | set_event(PSXINT_CDRLID, cdReadTime * 3); |
80f91a20 | 388 | break; |
9f8b032d | 389 | |
80f91a20 | 390 | case DRIVESTATE_RESCAN_CD: |
391 | cdr.StatP |= STATUS_ROTATING; | |
392 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 393 | |
80f91a20 | 394 | // this is very long on real hardware, over 6 seconds |
395 | // make it a bit faster here... | |
9a0a61d2 | 396 | set_event(PSXINT_CDRLID, cdReadTime * 150); |
80f91a20 | 397 | break; |
9f8b032d | 398 | |
80f91a20 | 399 | case DRIVESTATE_PREPARE_CD: |
871bedc6 | 400 | if (cdr.StatP & STATUS_SEEK) { |
401 | SetPlaySeekRead(cdr.StatP, 0); | |
402 | cdr.DriveState = DRIVESTATE_STANDBY; | |
403 | } | |
404 | else { | |
405 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
9a0a61d2 | 406 | set_event(PSXINT_CDRLID, cdReadTime * 26); |
871bedc6 | 407 | } |
80f91a20 | 408 | break; |
9f8b032d | 409 | } |
410 | } | |
411 | ||
fffad32e | 412 | static void Find_CurTrack(const u8 *time) |
413 | { | |
414 | int current, sect; | |
9f8b032d | 415 | |
fffad32e | 416 | current = msf2sec(time); |
9f8b032d | 417 | |
fffad32e | 418 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
419 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
420 | sect = fsm2sec(cdr.ResultTD); | |
421 | if (sect - current >= 150) | |
9f8b032d | 422 | break; |
9f8b032d | 423 | } |
424 | } | |
425 | ||
73b29eeb | 426 | static void generate_subq(const u8 *time) |
427 | { | |
428 | unsigned char start[3], next[3]; | |
429 | unsigned int this_s, start_s, next_s, pregap; | |
430 | int relative_s; | |
431 | ||
432 | CDR_getTD(cdr.CurTrack, start); | |
433 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
434 | pregap = 150; | |
435 | CDR_getTD(cdr.CurTrack + 1, next); | |
436 | } | |
437 | else { | |
438 | // last track - cd size | |
439 | pregap = 0; | |
440 | next[0] = cdr.SetSectorEnd[2]; | |
441 | next[1] = cdr.SetSectorEnd[1]; | |
442 | next[2] = cdr.SetSectorEnd[0]; | |
443 | } | |
444 | ||
445 | this_s = msf2sec(time); | |
446 | start_s = fsm2sec(start); | |
447 | next_s = fsm2sec(next); | |
448 | ||
449 | cdr.TrackChanged = FALSE; | |
450 | ||
451 | if (next_s - this_s < pregap) { | |
452 | cdr.TrackChanged = TRUE; | |
453 | cdr.CurTrack++; | |
454 | start_s = next_s; | |
455 | } | |
456 | ||
457 | cdr.subq.Index = 1; | |
458 | ||
459 | relative_s = this_s - start_s; | |
460 | if (relative_s < 0) { | |
461 | cdr.subq.Index = 0; | |
462 | relative_s = -relative_s; | |
463 | } | |
464 | sec2msf(relative_s, cdr.subq.Relative); | |
465 | ||
466 | cdr.subq.Track = itob(cdr.CurTrack); | |
467 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
468 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
469 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
470 | cdr.subq.Absolute[0] = itob(time[0]); | |
471 | cdr.subq.Absolute[1] = itob(time[1]); | |
472 | cdr.subq.Absolute[2] = itob(time[2]); | |
473 | } | |
474 | ||
752c1c85 | 475 | static int ReadTrack(const u8 *time) |
476 | { | |
fffad32e | 477 | unsigned char tmp[3]; |
70c1043e | 478 | int read_ok; |
ef79bbde | 479 | |
fffad32e | 480 | tmp[0] = itob(time[0]); |
481 | tmp[1] = itob(time[1]); | |
482 | tmp[2] = itob(time[2]); | |
ef79bbde | 483 | |
6ca445e2 | 484 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
485 | ||
fffad32e | 486 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
70c1043e | 487 | return 1; |
39df67df | 488 | |
70c1043e | 489 | read_ok = CDR_readTrack(tmp); |
e0f25b64 | 490 | if (read_ok) |
491 | memcpy(cdr.Prev, tmp, 3); | |
752c1c85 | 492 | return read_ok; |
493 | } | |
494 | ||
495 | static void UpdateSubq(const u8 *time) | |
496 | { | |
497 | const struct SubQ *subq; | |
f3746eea | 498 | int s = MSF2SECT(time[0], time[1], time[2]); |
752c1c85 | 499 | u16 crc; |
9f8b032d | 500 | |
f3746eea | 501 | if (CheckSBI(s)) |
752c1c85 | 502 | return; |
9f8b032d | 503 | |
f3746eea | 504 | subq = (struct SubQ *)CDR_getBufferSub(s); |
73b29eeb | 505 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 506 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 507 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 508 | cdr.subq.Track = subq->TrackNumber; |
509 | cdr.subq.Index = subq->IndexNumber; | |
510 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
511 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 512 | } |
92ca1ba6 | 513 | else { |
752c1c85 | 514 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
515 | time[0], time[1], time[2]); | |
92ca1ba6 | 516 | } |
9f8b032d | 517 | } |
fffad32e | 518 | else { |
73b29eeb | 519 | generate_subq(time); |
9f8b032d | 520 | } |
9f8b032d | 521 | |
fffad32e | 522 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
523 | cdr.subq.Track, cdr.subq.Index, | |
524 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
525 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
526 | } | |
9f8b032d | 527 | |
7f457614 | 528 | static void cdrPlayInterrupt_Autopause() |
529 | { | |
bf4df3ba | 530 | u32 abs_lev_max = 0; |
531 | boolean abs_lev_chselect; | |
532 | u32 i; | |
f4627eb3 | 533 | |
fffad32e | 534 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
9930d23d | 535 | CDR_LOG_I("autopause\n"); |
7f457614 | 536 | |
9930d23d | 537 | SetResultSize(1); |
538 | cdr.Result[0] = cdr.StatP; | |
0b988c8b | 539 | setIrq(DataEnd, 0x1000); // 0x1000 just for logging purposes |
7f457614 | 540 | |
541 | StopCdda(); | |
f522e63c | 542 | SetPlaySeekRead(cdr.StatP, 0); |
cc1e8bd4 | 543 | cdr.DriveState = DRIVESTATE_PAUSED; |
7f457614 | 544 | } |
a6e03490 | 545 | else if ((cdr.Mode & MODE_REPORT) && !cdr.ReportDelay && |
546 | ((cdr.subq.Absolute[2] & 0x0f) == 0 || cdr.FastForward || cdr.FastBackward)) | |
547 | { | |
9930d23d | 548 | SetResultSize(8); |
fffad32e | 549 | cdr.Result[0] = cdr.StatP; |
550 | cdr.Result[1] = cdr.subq.Track; | |
551 | cdr.Result[2] = cdr.subq.Index; | |
bf4df3ba | 552 | |
553 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
554 | ||
555 | /* 8 is a hack. For accuracy, it should be 588. */ | |
556 | for (i = 0; i < 8; i++) | |
557 | { | |
558 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
559 | } | |
560 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
561 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 562 | |
fffad32e | 563 | if (cdr.subq.Absolute[2] & 0x10) { |
564 | cdr.Result[3] = cdr.subq.Relative[0]; | |
565 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
566 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 567 | } |
fffad32e | 568 | else { |
569 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
570 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
571 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
572 | } | |
bf4df3ba | 573 | cdr.Result[6] = abs_lev_max >> 0; |
574 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 575 | |
0b988c8b | 576 | setIrq(DataReady, 0x1001); |
7f457614 | 577 | } |
a6e03490 | 578 | |
579 | if (cdr.ReportDelay) | |
580 | cdr.ReportDelay--; | |
7f457614 | 581 | } |
582 | ||
f522e63c | 583 | static int cdrSeekTime(unsigned char *target) |
584 | { | |
415213c9 | 585 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
e7606d0e | 586 | int seekTime = abs(diff) * (cdReadTime / 2000); |
6ca445e2 | 587 | int cyclesSinceRS = psxRegs.cycle - cdr.LastReadSeekCycles; |
4b4164bb | 588 | seekTime = MAX_VALUE(seekTime, 20000); |
589 | ||
590 | // need this stupidly long penalty or else Spyro2 intro desyncs | |
6ca445e2 | 591 | // note: if misapplied this breaks MGS cutscenes among other things |
cc1e8bd4 | 592 | if (cdr.DriveState == DRIVESTATE_PAUSED && cyclesSinceRS > cdReadTime * 50) |
e7606d0e | 593 | seekTime += cdReadTime * 25; |
6ca445e2 | 594 | // Transformers Beast Wars Transmetals does Setloc(x),SeekL,Setloc(x),ReadN |
595 | // and then wants some slack time | |
cc1e8bd4 | 596 | else if (cdr.DriveState == DRIVESTATE_PAUSED || cyclesSinceRS < cdReadTime *3/2) |
6ca445e2 | 597 | seekTime += cdReadTime; |
4b4164bb | 598 | |
599 | seekTime = MIN_VALUE(seekTime, PSXCLK * 2 / 3); | |
cc1e8bd4 | 600 | CDR_LOG("seek: %.2f %.2f (%.2f) st %d\n", (float)seekTime / PSXCLK, |
601 | (float)seekTime / cdReadTime, (float)cyclesSinceRS / cdReadTime, | |
602 | cdr.DriveState); | |
f522e63c | 603 | return seekTime; |
604 | } | |
605 | ||
4134c627 | 606 | static u32 cdrAlignTimingHack(u32 cycles) |
607 | { | |
608 | /* | |
609 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
610 | * The game has a bug where it issues some cdc commands from a low priority | |
611 | * vint handler, however there is a higher priority default bios handler | |
612 | * that acks the vint irq and returns, so game's handler is not reached | |
613 | * (see bios irq handler chains at e004 and the game's irq handling func | |
614 | * at 80036810). For the game to work, vint has to arrive after the bios | |
615 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
616 | * active), but before the game's handler loop reads I_STAT. The time | |
617 | * window for this is quite small (~1k cycles of so). Apparently this | |
618 | * somehow happens naturally on the real hardware. | |
688bdb95 | 619 | * |
620 | * Note: always enforcing this breaks other games like Crash PAL version | |
621 | * (inputs get dropped because bios handler doesn't see interrupts). | |
4134c627 | 622 | */ |
688bdb95 | 623 | u32 vint_rel; |
624 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
625 | return cycles; | |
626 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
4134c627 | 627 | vint_rel += PSXCLK / 60; |
628 | while ((s32)(vint_rel - cycles) < 0) | |
629 | vint_rel += PSXCLK / 60; | |
630 | return vint_rel; | |
631 | } | |
632 | ||
38e03f0a | 633 | static void cdrUpdateTransferBuf(const u8 *buf); |
d9a02493 | 634 | static void cdrReadInterrupt(void); |
4ad17db3 | 635 | static void cdrPrepCdda(s16 *buf, int samples); |
636 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
d9a02493 | 637 | |
752c1c85 | 638 | static void msfiAdd(u8 *msfi, u32 count) |
639 | { | |
640 | assert(count < 75); | |
641 | msfi[2] += count; | |
642 | if (msfi[2] >= 75) { | |
643 | msfi[2] -= 75; | |
644 | msfi[1]++; | |
645 | if (msfi[1] == 60) { | |
646 | msfi[1] = 0; | |
647 | msfi[0]++; | |
648 | } | |
649 | } | |
650 | } | |
651 | ||
b9a092f5 | 652 | static void msfiSub(u8 *msfi, u32 count) |
653 | { | |
654 | assert(count < 75); | |
655 | msfi[2] -= count; | |
656 | if ((s8)msfi[2] < 0) { | |
657 | msfi[2] += 75; | |
658 | msfi[1]--; | |
659 | if ((s8)msfi[1] < 0) { | |
660 | msfi[1] = 60; | |
661 | msfi[0]--; | |
662 | } | |
663 | } | |
664 | } | |
665 | ||
480e570b | 666 | void cdrPlayReadInterrupt(void) |
7f457614 | 667 | { |
e7606d0e | 668 | cdr.LastReadSeekCycles = psxRegs.cycle; |
4b4164bb | 669 | |
d9a02493 | 670 | if (cdr.Reading) { |
671 | cdrReadInterrupt(); | |
672 | return; | |
673 | } | |
674 | ||
39df67df | 675 | if (!cdr.Play) return; |
7f457614 | 676 | |
9930d23d | 677 | CDR_LOG("CDDA - %02d:%02d:%02d m %02x\n", |
678 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], cdr.Mode); | |
8b380e97 | 679 | |
cc1e8bd4 | 680 | cdr.DriveState = DRIVESTATE_PLAY_READ; |
d9a02493 | 681 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 682 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
9930d23d | 683 | CDR_LOG_I("end stop\n"); |
fffad32e | 684 | StopCdda(); |
f522e63c | 685 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 686 | cdr.TrackChanged = TRUE; |
cc1e8bd4 | 687 | cdr.DriveState = DRIVESTATE_PAUSED; |
fffad32e | 688 | } |
ffd2bcfa | 689 | else { |
690 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
691 | } | |
7f457614 | 692 | |
0b988c8b | 693 | if (!cdr.IrqStat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 694 | cdrPlayInterrupt_Autopause(); |
695 | ||
4a6b26b8 | 696 | if (!cdr.Muted && cdr.Play && !Config.Cdda) { |
4ad17db3 | 697 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
ecd502e1 | 698 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
5c5e6c0c | 699 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, 0); |
f4627eb3 | 700 | } |
fffad32e | 701 | |
752c1c85 | 702 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 703 | |
fffad32e | 704 | // update for CdlGetlocP/autopause |
73b29eeb | 705 | generate_subq(cdr.SetSectorPlay); |
f5450cfb | 706 | |
480e570b | 707 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 708 | } |
709 | ||
8aeb66dc | 710 | #define CMD_PART2 0x100 |
711 | #define CMD_WHILE_NOT_READY 0x200 | |
712 | ||
d9a02493 | 713 | void cdrInterrupt(void) { |
e4268a49 | 714 | int start_rotating = 0; |
715 | int error = 0; | |
4134c627 | 716 | u32 cycles, seekTime = 0; |
7f2576b2 | 717 | u32 second_resp_time = 0; |
70c1043e | 718 | const void *buf; |
7f2576b2 | 719 | u8 ParamC; |
2da09dae | 720 | u8 set_loc[3]; |
70c1043e | 721 | int read_ok; |
8aeb66dc | 722 | u16 not_ready = 0; |
0b988c8b | 723 | u8 IrqStat = Acknowledge; |
7f2576b2 | 724 | u16 Cmd; |
2da09dae | 725 | int i; |
ef79bbde | 726 | |
0b988c8b | 727 | if (cdr.IrqStat) { |
10b9bf1e | 728 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
0b988c8b | 729 | cdr.CmdInProgress, cdr.IrqStat); |
ef79bbde P |
730 | return; |
731 | } | |
38e03f0a | 732 | if (cdr.Irq1Pending) { |
733 | // hand out the "newest" sector, according to nocash | |
734 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
10b9bf1e | 735 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
736 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
737 | cdr.CmdInProgress, cdr.Irq1Pending); | |
38e03f0a | 738 | SetResultSize(1); |
739 | cdr.Result[0] = cdr.Irq1Pending; | |
38e03f0a | 740 | cdr.Irq1Pending = 0; |
0b988c8b | 741 | setIrq((cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady, 0x1003); |
38e03f0a | 742 | return; |
743 | } | |
ef79bbde | 744 | |
e4268a49 | 745 | // default response |
746 | SetResultSize(1); | |
747 | cdr.Result[0] = cdr.StatP; | |
e4268a49 | 748 | |
7f2576b2 | 749 | Cmd = cdr.CmdInProgress; |
750 | cdr.CmdInProgress = 0; | |
751 | ParamC = cdr.ParamC; | |
e4268a49 | 752 | |
7f2576b2 | 753 | if (Cmd < 0x100) { |
8aeb66dc | 754 | cdr.Ctrl &= ~0x80; |
7f2576b2 | 755 | cdr.ParamC = 0; |
8aeb66dc | 756 | cdr.Cmd = 0; |
757 | } | |
758 | ||
759 | switch (cdr.DriveState) { | |
871bedc6 | 760 | case DRIVESTATE_PREPARE_CD: |
761 | if (Cmd > 2) { | |
762 | // Syphon filter 2 expects commands to work shortly after it sees | |
763 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
764 | cdr.DriveState = DRIVESTATE_STANDBY; | |
765 | cdr.StatP &= ~STATUS_SEEK; | |
766 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
767 | break; | |
768 | } | |
769 | // fallthrough | |
8aeb66dc | 770 | case DRIVESTATE_LID_OPEN: |
771 | case DRIVESTATE_RESCAN_CD: | |
8aeb66dc | 772 | // no disk or busy with the initial scan, allowed cmds are limited |
773 | not_ready = CMD_WHILE_NOT_READY; | |
774 | break; | |
7f2576b2 | 775 | } |
e4268a49 | 776 | |
8aeb66dc | 777 | switch (Cmd | not_ready) { |
ef79bbde | 778 | case CdlNop: |
8aeb66dc | 779 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 780 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
781 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
782 | break; |
783 | ||
784 | case CdlSetloc: | |
4a6b26b8 | 785 | // case CdlSetloc + CMD_WHILE_NOT_READY: // or is it? |
2da09dae | 786 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
787 | ||
788 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
789 | 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)) | |
790 | { | |
ececcc61 | 791 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
4f38d1f8 | 792 | if (++cdr.errorRetryhack > 100) |
793 | break; | |
0b988c8b | 794 | error = ERROR_BAD_ARGNUM; |
2da09dae | 795 | goto set_error; |
796 | } | |
797 | else | |
798 | { | |
799 | for (i = 0; i < 3; i++) | |
2da09dae | 800 | set_loc[i] = btoi(cdr.Param[i]); |
2da09dae | 801 | memcpy(cdr.SetSector, set_loc, 3); |
802 | cdr.SetSector[3] = 0; | |
803 | cdr.SetlocPending = 1; | |
4f38d1f8 | 804 | cdr.errorRetryhack = 0; |
2da09dae | 805 | } |
ef79bbde P |
806 | break; |
807 | ||
55b8460a | 808 | do_CdlPlay: |
ef79bbde | 809 | case CdlPlay: |
030bd76a | 810 | StopCdda(); |
f522e63c | 811 | StopReading(); |
812 | ||
c9c7a925 | 813 | cdr.FastBackward = 0; |
814 | cdr.FastForward = 0; | |
815 | ||
2d5ca6c0 | 816 | // BIOS CD Player |
817 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
818 | ||
7f2576b2 | 819 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 820 | int track = btoi( cdr.Param[0] ); |
821 | ||
822 | if (track <= cdr.ResultTN[1]) | |
823 | cdr.CurTrack = track; | |
824 | ||
825 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
826 | ||
827 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
f522e63c | 828 | for (i = 0; i < 3; i++) |
829 | set_loc[i] = cdr.ResultTD[2 - i]; | |
830 | seekTime = cdrSeekTime(set_loc); | |
831 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 832 | } |
833 | } | |
f522e63c | 834 | else if (cdr.SetlocPending) { |
835 | seekTime = cdrSeekTime(cdr.SetSector); | |
836 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
837 | } | |
838 | else { | |
839 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
840 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
841 | } | |
842 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 843 | |
9f8b032d | 844 | /* |
845 | Rayman: detect track changes | |
846 | - fixes logo freeze | |
847 | ||
848 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
849 | - plays tracks without retry play | |
850 | ||
851 | Wild 9: skip PREGAP + starting accurate SubQ | |
852 | - plays tracks without retry play | |
853 | */ | |
fffad32e | 854 | Find_CurTrack(cdr.SetSectorPlay); |
752c1c85 | 855 | generate_subq(cdr.SetSectorPlay); |
70c1043e | 856 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 857 | cdr.SubqForwardSectors = 1; |
fffad32e | 858 | cdr.TrackChanged = FALSE; |
5c5e6c0c | 859 | cdr.FileChannelSelected = 0; |
860 | cdr.AdpcmActive = 0; | |
a6e03490 | 861 | cdr.ReportDelay = 60; |
b9a092f5 | 862 | cdr.sectorsRead = 0; |
9f8b032d | 863 | |
2d5ca6c0 | 864 | if (!Config.Cdda) |
865 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 866 | |
f522e63c | 867 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 868 | |
869 | // BIOS player - set flag again | |
870 | cdr.Play = TRUE; | |
cc1e8bd4 | 871 | cdr.DriveState = DRIVESTATE_PLAY_READ; |
9f8b032d | 872 | |
480e570b | 873 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 874 | start_rotating = 1; |
ef79bbde P |
875 | break; |
876 | ||
9f8b032d | 877 | case CdlForward: |
e4268a49 | 878 | // TODO: error 80 if stopped |
0b988c8b | 879 | IrqStat = Complete; |
9f8b032d | 880 | |
9f8b032d | 881 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 882 | cdr.FastForward = 1; |
9f8b032d | 883 | cdr.FastBackward = 0; |
ef79bbde P |
884 | break; |
885 | ||
9f8b032d | 886 | case CdlBackward: |
0b988c8b | 887 | IrqStat = Complete; |
9f8b032d | 888 | |
9f8b032d | 889 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 890 | cdr.FastBackward = 1; |
9f8b032d | 891 | cdr.FastForward = 0; |
ef79bbde P |
892 | break; |
893 | ||
9f8b032d | 894 | case CdlStandby: |
e4268a49 | 895 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
0b988c8b | 896 | error = ERROR_BAD_ARGNUM; |
e4268a49 | 897 | goto set_error; |
898 | } | |
cc1e8bd4 | 899 | cdr.DriveState = DRIVESTATE_STANDBY; |
7f2576b2 | 900 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 901 | start_rotating = 1; |
902 | break; | |
903 | ||
8aeb66dc | 904 | case CdlStandby + CMD_PART2: |
0b988c8b | 905 | IrqStat = Complete; |
ef79bbde P |
906 | break; |
907 | ||
908 | case CdlStop: | |
030bd76a | 909 | if (cdr.Play) { |
910 | // grab time for current track | |
911 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
912 | ||
913 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
914 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
915 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
916 | } | |
917 | ||
918 | StopCdda(); | |
919 | StopReading(); | |
f522e63c | 920 | SetPlaySeekRead(cdr.StatP, 0); |
921 | cdr.StatP &= ~STATUS_ROTATING; | |
70c1043e | 922 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 923 | |
7f2576b2 | 924 | second_resp_time = 0x800; |
cc1e8bd4 | 925 | if (cdr.DriveState != DRIVESTATE_STOPPED) |
7f2576b2 | 926 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 927 | |
928 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 929 | break; |
930 | ||
8aeb66dc | 931 | case CdlStop + CMD_PART2: |
0b988c8b | 932 | IrqStat = Complete; |
ef79bbde P |
933 | break; |
934 | ||
935 | case CdlPause: | |
f522e63c | 936 | StopCdda(); |
937 | StopReading(); | |
b9a092f5 | 938 | |
939 | // how the drive maintains the position while paused is quite | |
940 | // complicated, this is the minimum to make "Bedlam" happy | |
941 | msfiSub(cdr.SetSectorPlay, MIN_VALUE(cdr.sectorsRead, 4)); | |
942 | cdr.sectorsRead = 0; | |
943 | ||
12228917 | 944 | /* |
945 | Gundam Battle Assault 2: much slower (*) | |
946 | - Fixes boot, gameplay | |
947 | ||
948 | Hokuto no Ken 2: slower | |
949 | - Fixes intro + subtitles | |
950 | ||
951 | InuYasha - Feudal Fairy Tale: slower | |
952 | - Fixes battles | |
953 | */ | |
4e70ea5a | 954 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
955 | * The timings from Duckstation are based upon hardware tests. | |
956 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
957 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
958 | * */ | |
f522e63c | 959 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
e3d555e0 | 960 | { |
7f2576b2 | 961 | second_resp_time = 7000; |
e3d555e0 | 962 | } |
963 | else | |
964 | { | |
4b4164bb | 965 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 1 : 2) * 1097107); |
e3d555e0 | 966 | } |
f522e63c | 967 | SetPlaySeekRead(cdr.StatP, 0); |
cc1e8bd4 | 968 | cdr.DriveState = DRIVESTATE_PAUSED; |
ef79bbde P |
969 | break; |
970 | ||
8aeb66dc | 971 | case CdlPause + CMD_PART2: |
0b988c8b | 972 | IrqStat = Complete; |
ef79bbde P |
973 | break; |
974 | ||
b0bd140d | 975 | case CdlReset: |
8aeb66dc | 976 | case CdlReset + CMD_WHILE_NOT_READY: |
f522e63c | 977 | StopCdda(); |
978 | StopReading(); | |
979 | SetPlaySeekRead(cdr.StatP, 0); | |
70c1043e | 980 | cdr.LocL[0] = LOCL_INVALID; |
b0bd140d | 981 | cdr.Muted = FALSE; |
509ebde4 | 982 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
cc1e8bd4 | 983 | cdr.DriveState = DRIVESTATE_PAUSED; |
8aeb66dc | 984 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 985 | start_rotating = 1; |
986 | break; | |
987 | ||
8aeb66dc | 988 | case CdlReset + CMD_PART2: |
989 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
0b988c8b | 990 | IrqStat = Complete; |
ef79bbde P |
991 | break; |
992 | ||
9f8b032d | 993 | case CdlMute: |
030bd76a | 994 | cdr.Muted = TRUE; |
ef79bbde P |
995 | break; |
996 | ||
9f8b032d | 997 | case CdlDemute: |
030bd76a | 998 | cdr.Muted = FALSE; |
ef79bbde P |
999 | break; |
1000 | ||
9f8b032d | 1001 | case CdlSetfilter: |
5c5e6c0c | 1002 | cdr.FilterFile = cdr.Param[0]; |
1003 | cdr.FilterChannel = cdr.Param[1]; | |
54d6fbe7 | 1004 | cdr.FileChannelSelected = 0; |
9f8b032d | 1005 | break; |
ef79bbde P |
1006 | |
1007 | case CdlSetmode: | |
8aeb66dc | 1008 | case CdlSetmode + CMD_WHILE_NOT_READY: |
7f2576b2 | 1009 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
1010 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 1011 | break; |
ef79bbde | 1012 | |
dcd72441 | 1013 | case CdlGetparam: |
8aeb66dc | 1014 | case CdlGetparam + CMD_WHILE_NOT_READY: |
dcd72441 | 1015 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
0b988c8b | 1016 | SetResultSize_(5); |
9f8b032d | 1017 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 1018 | cdr.Result[2] = 0; |
5c5e6c0c | 1019 | cdr.Result[3] = cdr.FilterFile; |
1020 | cdr.Result[4] = cdr.FilterChannel; | |
9f8b032d | 1021 | break; |
ef79bbde | 1022 | |
9f8b032d | 1023 | case CdlGetlocL: |
70c1043e | 1024 | if (cdr.LocL[0] == LOCL_INVALID) { |
1025 | error = 0x80; | |
1026 | goto set_error; | |
1027 | } | |
0b988c8b | 1028 | SetResultSize_(8); |
70c1043e | 1029 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 1030 | break; |
ef79bbde P |
1031 | |
1032 | case CdlGetlocP: | |
0b988c8b | 1033 | SetResultSize_(8); |
fffad32e | 1034 | memcpy(&cdr.Result, &cdr.subq, 8); |
e4268a49 | 1035 | break; |
892bd7d4 | 1036 | |
e4268a49 | 1037 | case CdlReadT: // SetSession? |
1038 | // really long | |
7f2576b2 | 1039 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 1040 | start_rotating = 1; |
1041 | break; | |
1042 | ||
8aeb66dc | 1043 | case CdlReadT + CMD_PART2: |
0b988c8b | 1044 | IrqStat = Complete; |
ef79bbde P |
1045 | break; |
1046 | ||
9f8b032d | 1047 | case CdlGetTN: |
9f8b032d | 1048 | if (CDR_getTN(cdr.ResultTN) == -1) { |
0b988c8b | 1049 | assert(0); |
9f8b032d | 1050 | } |
0b988c8b | 1051 | SetResultSize_(3); |
1052 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1053 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
9f8b032d | 1054 | break; |
ef79bbde | 1055 | |
9f8b032d | 1056 | case CdlGetTD: |
ef79bbde | 1057 | cdr.Track = btoi(cdr.Param[0]); |
ef79bbde | 1058 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
0b988c8b | 1059 | error = ERROR_BAD_ARGVAL; |
1060 | goto set_error; | |
ef79bbde | 1061 | } |
0b988c8b | 1062 | SetResultSize_(3); |
1063 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1064 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
1065 | // no sector number | |
1066 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1067 | break; |
1068 | ||
9f8b032d | 1069 | case CdlSeekL: |
39df67df | 1070 | case CdlSeekP: |
030bd76a | 1071 | StopCdda(); |
1072 | StopReading(); | |
480e570b | 1073 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1074 | |
f522e63c | 1075 | seekTime = cdrSeekTime(cdr.SetSector); |
1076 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
cc1e8bd4 | 1077 | cdr.DriveState = DRIVESTATE_SEEK; |
9f8b032d | 1078 | /* |
1079 | Crusaders of Might and Magic = 0.5x-4x | |
1080 | - fix cutscene speech start | |
1081 | ||
1082 | Eggs of Steel = 2x-? | |
1083 | - fix new game | |
1084 | ||
1085 | Medievil = ?-4x | |
1086 | - fix cutscene speech | |
1087 | ||
1088 | Rockman X5 = 0.5-4x | |
1089 | - fix capcom logo | |
1090 | */ | |
480e570b | 1091 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1092 | start_rotating = 1; |
ef79bbde P |
1093 | break; |
1094 | ||
480e570b | 1095 | case CdlSeekL + CMD_PART2: |
1096 | case CdlSeekP + CMD_PART2: | |
1097 | SetPlaySeekRead(cdr.StatP, 0); | |
ca1683d0 | 1098 | cdr.Result[0] = cdr.StatP; |
0b988c8b | 1099 | IrqStat = Complete; |
480e570b | 1100 | |
1101 | Find_CurTrack(cdr.SetSectorPlay); | |
70c1043e | 1102 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1103 | if (read_ok && (buf = CDR_getBuffer())) | |
1104 | memcpy(cdr.LocL, buf, 8); | |
752c1c85 | 1105 | UpdateSubq(cdr.SetSectorPlay); |
cc1e8bd4 | 1106 | cdr.DriveState = DRIVESTATE_STANDBY; |
480e570b | 1107 | cdr.TrackChanged = FALSE; |
e7606d0e | 1108 | cdr.LastReadSeekCycles = psxRegs.cycle; |
480e570b | 1109 | break; |
1110 | ||
ef79bbde | 1111 | case CdlTest: |
8aeb66dc | 1112 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1113 | switch (cdr.Param[0]) { |
1114 | case 0x20: // System Controller ROM Version | |
0b988c8b | 1115 | SetResultSize_(4); |
ef79bbde P |
1116 | memcpy(cdr.Result, Test20, 4); |
1117 | break; | |
1118 | case 0x22: | |
0b988c8b | 1119 | SetResultSize_(8); |
ef79bbde P |
1120 | memcpy(cdr.Result, Test22, 4); |
1121 | break; | |
1122 | case 0x23: case 0x24: | |
0b988c8b | 1123 | SetResultSize_(8); |
ef79bbde P |
1124 | memcpy(cdr.Result, Test23, 4); |
1125 | break; | |
9f8b032d | 1126 | } |
ef79bbde P |
1127 | break; |
1128 | ||
9f8b032d | 1129 | case CdlID: |
7f2576b2 | 1130 | second_resp_time = 20480; |
ef79bbde P |
1131 | break; |
1132 | ||
8aeb66dc | 1133 | case CdlID + CMD_PART2: |
0b988c8b | 1134 | SetResultSize_(8); |
89ec56af | 1135 | cdr.Result[0] = cdr.StatP; |
1136 | cdr.Result[1] = 0; | |
1137 | cdr.Result[2] = 0; | |
1138 | cdr.Result[3] = 0; | |
9f8b032d | 1139 | |
d8432250 | 1140 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1141 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1142 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1143 | } |
1144 | else { | |
89ec56af | 1145 | if (stat.Type == 2) |
1146 | cdr.Result[1] |= 0x10; | |
1147 | if (CdromId[0] == '\0') | |
9f8b032d | 1148 | cdr.Result[1] |= 0x80; |
9f8b032d | 1149 | } |
89ec56af | 1150 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
2f59faba | 1151 | CDR_LOG_I("CdlID: %02x %02x %02x %02x\n", cdr.Result[0], |
1152 | cdr.Result[1], cdr.Result[2], cdr.Result[3]); | |
9f8b032d | 1153 | |
d0ea0d8a | 1154 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1155 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
0b988c8b | 1156 | IrqStat = Complete; |
ef79bbde P |
1157 | break; |
1158 | ||
b0bd140d | 1159 | case CdlInit: |
8aeb66dc | 1160 | case CdlInit + CMD_WHILE_NOT_READY: |
f522e63c | 1161 | StopCdda(); |
1162 | StopReading(); | |
1163 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1164 | // yes, it really sets STATUS_SHELLOPEN |
1165 | cdr.StatP |= STATUS_SHELLOPEN; | |
1166 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
9a0a61d2 | 1167 | set_event(PSXINT_CDRLID, 20480); |
e4268a49 | 1168 | start_rotating = 1; |
9f8b032d | 1169 | break; |
1170 | ||
e4268a49 | 1171 | case CdlGetQ: |
8aeb66dc | 1172 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1173 | break; |
1174 | ||
1175 | case CdlReadToc: | |
8aeb66dc | 1176 | case CdlReadToc + CMD_WHILE_NOT_READY: |
70c1043e | 1177 | cdr.LocL[0] = LOCL_INVALID; |
7f2576b2 | 1178 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1179 | start_rotating = 1; |
ef79bbde P |
1180 | break; |
1181 | ||
8aeb66dc | 1182 | case CdlReadToc + CMD_PART2: |
1183 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
0b988c8b | 1184 | IrqStat = Complete; |
ef79bbde P |
1185 | break; |
1186 | ||
94c118c3 | 1187 | case CdlReadN: |
1188 | case CdlReadS: | |
ececcc61 | 1189 | if (cdr.Reading && !cdr.SetlocPending) |
1190 | break; | |
1191 | ||
f522e63c | 1192 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1193 | |
1194 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1195 | // Read* acts as play for cdda tracks in cdda mode | |
1196 | goto do_CdlPlay; | |
1197 | ||
f522e63c | 1198 | StopCdda(); |
1199 | if (cdr.SetlocPending) { | |
1200 | seekTime = cdrSeekTime(cdr.SetSector); | |
1201 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1202 | cdr.SetlocPending = 0; | |
1203 | } | |
030bd76a | 1204 | cdr.Reading = 1; |
5c5e6c0c | 1205 | cdr.FileChannelSelected = 0; |
1206 | cdr.AdpcmActive = 0; | |
ef79bbde | 1207 | |
9f8b032d | 1208 | // Fighting Force 2 - update subq time immediately |
1209 | // - fixes new game | |
752c1c85 | 1210 | UpdateSubq(cdr.SetSectorPlay); |
70c1043e | 1211 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 1212 | cdr.SubqForwardSectors = 1; |
b9a092f5 | 1213 | cdr.sectorsRead = 0; |
cc1e8bd4 | 1214 | cdr.DriveState = DRIVESTATE_SEEK; |
9f8b032d | 1215 | |
509ebde4 | 1216 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
4134c627 | 1217 | cycles += seekTime; |
688bdb95 | 1218 | if (Config.hacks.cdr_read_timing) |
1219 | cycles = cdrAlignTimingHack(cycles); | |
4134c627 | 1220 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1221 | |
f522e63c | 1222 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1223 | start_rotating = 1; |
ef79bbde | 1224 | break; |
70c1043e | 1225 | |
1f035e27 | 1226 | case CdlSync: |
ef79bbde | 1227 | default: |
e4268a49 | 1228 | error = ERROR_INVALIDCMD; |
1229 | // FALLTHROUGH | |
1230 | ||
1231 | set_error: | |
0b988c8b | 1232 | SetResultSize_(2); |
e4268a49 | 1233 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; |
8aeb66dc | 1234 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
0b988c8b | 1235 | IrqStat = DiskError; |
6ca445e2 | 1236 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, cdr.Result[1]); |
ef79bbde P |
1237 | break; |
1238 | } | |
1239 | ||
e4268a49 | 1240 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1241 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1242 | cdr.StatP |= STATUS_ROTATING; | |
1243 | } | |
1244 | ||
7f2576b2 | 1245 | if (second_resp_time) { |
1246 | cdr.CmdInProgress = Cmd | 0x100; | |
9a0a61d2 | 1247 | set_event(PSXINT_CDR, second_resp_time); |
7f2576b2 | 1248 | } |
1249 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1250 | cdr.CmdInProgress = cdr.Cmd; | |
10b9bf1e | 1251 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
7f2576b2 | 1252 | } |
1253 | ||
0b988c8b | 1254 | setIrq(IrqStat, Cmd); |
ef79bbde P |
1255 | } |
1256 | ||
8f2bb0cb | 1257 | #ifdef HAVE_ARMV7 |
53598a71 | 1258 | #define ssat32_to_16(v) \ |
1259 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1260 | #else | |
1261 | #define ssat32_to_16(v) do { \ | |
1262 | if (v < -32768) v = -32768; \ | |
1263 | else if (v > 32767) v = 32767; \ | |
1264 | } while (0) | |
1265 | #endif | |
1266 | ||
4ad17db3 | 1267 | static void cdrPrepCdda(s16 *buf, int samples) |
1268 | { | |
1269 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1270 | int i; | |
1271 | for (i = 0; i < samples; i++) { | |
1272 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1273 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1274 | } | |
1275 | #endif | |
1276 | } | |
1277 | ||
1278 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1279 | { |
1280 | int i, l, r; | |
1281 | int ll = cdr.AttenuatorLeftToLeft; | |
1282 | int lr = cdr.AttenuatorLeftToRight; | |
1283 | int rl = cdr.AttenuatorRightToLeft; | |
1284 | int rr = cdr.AttenuatorRightToRight; | |
1285 | ||
1286 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1287 | return; | |
1288 | ||
1289 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1290 | return; | |
1291 | ||
1292 | if (stereo) { | |
1293 | for (i = 0; i < samples; i++) { | |
1294 | l = buf[i * 2]; | |
1295 | r = buf[i * 2 + 1]; | |
1296 | l = (l * ll + r * rl) >> 7; | |
1297 | r = (r * rr + l * lr) >> 7; | |
1298 | ssat32_to_16(l); | |
1299 | ssat32_to_16(r); | |
1300 | buf[i * 2] = l; | |
1301 | buf[i * 2 + 1] = r; | |
1302 | } | |
1303 | } | |
1304 | else { | |
1305 | for (i = 0; i < samples; i++) { | |
1306 | l = buf[i]; | |
1307 | l = l * (ll + rl) >> 7; | |
1308 | //r = r * (rr + lr) >> 7; | |
1309 | ssat32_to_16(l); | |
1310 | //ssat32_to_16(r); | |
1311 | buf[i] = l; | |
1312 | } | |
1313 | } | |
1314 | } | |
1315 | ||
f5450cfb | 1316 | static void cdrReadInterruptSetResult(unsigned char result) |
d9a02493 | 1317 | { |
0b988c8b | 1318 | if (cdr.IrqStat) { |
10b9bf1e | 1319 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f5450cfb | 1320 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
0b988c8b | 1321 | cdr.CmdInProgress, cdr.IrqStat); |
f5450cfb | 1322 | cdr.Irq1Pending = result; |
ef79bbde P |
1323 | return; |
1324 | } | |
ef79bbde | 1325 | SetResultSize(1); |
f5450cfb | 1326 | cdr.Result[0] = result; |
0b988c8b | 1327 | setIrq((result & STATUS_ERROR) ? DiskError : DataReady, 0x1004); |
f5450cfb | 1328 | } |
1329 | ||
1330 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1331 | { | |
1332 | if (!buf) | |
1333 | return; | |
1334 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1335 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
b9a092f5 | 1336 | CDR_LOG("cdr.Transfer %02x:%02x:%02x\n", |
1337 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
742a21f2 | 1338 | if (cdr.FifoOffset < 2048 + 12) |
10b9bf1e | 1339 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f5450cfb | 1340 | } |
1341 | ||
1342 | static void cdrReadInterrupt(void) | |
1343 | { | |
5c5e6c0c | 1344 | const struct { u8 file, chan, mode, coding; } *subhdr; |
1345 | const u8 *buf = NULL; | |
1346 | int deliver_data = 1; | |
752c1c85 | 1347 | u8 subqPos[3]; |
70c1043e | 1348 | int read_ok; |
f5450cfb | 1349 | |
752c1c85 | 1350 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1351 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1352 | UpdateSubq(subqPos); | |
1353 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1354 | cdr.SubqForwardSectors++; | |
1355 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1356 | return; | |
1357 | } | |
1358 | ||
7e6d030e | 1359 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1360 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
cc1e8bd4 | 1361 | cdr.DriveState = DRIVESTATE_PLAY_READ; |
b9a092f5 | 1362 | cdr.sectorsRead++; |
7e6d030e | 1363 | |
70c1043e | 1364 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1365 | if (read_ok) | |
f5450cfb | 1366 | buf = CDR_getBuffer(); |
ef79bbde | 1367 | if (buf == NULL) |
70c1043e | 1368 | read_ok = 0; |
ef79bbde | 1369 | |
70c1043e | 1370 | if (!read_ok) { |
8b380e97 | 1371 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f5450cfb | 1372 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
cc1e8bd4 | 1373 | cdr.DriveState = DRIVESTATE_PAUSED; // ? |
ef79bbde P |
1374 | return; |
1375 | } | |
70c1043e | 1376 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1377 | |
0b988c8b | 1378 | if (!cdr.IrqStat && !cdr.Irq1Pending) |
f5450cfb | 1379 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1380 | |
5c5e6c0c | 1381 | subhdr = (void *)(buf + 4); |
1382 | do { | |
1383 | // try to process as adpcm | |
1384 | if (!(cdr.Mode & MODE_STRSND)) | |
1385 | break; | |
1386 | if (buf[3] != 2 || (subhdr->mode & 0x44) != 0x44) // or 0x64? | |
1387 | break; | |
1388 | CDR_LOG("f=%d m=%d %d,%3d | %d,%2d | %d,%2d\n", !!(cdr.Mode & MODE_SF), cdr.Muted, | |
1389 | subhdr->file, subhdr->chan, cdr.CurFile, cdr.CurChannel, cdr.FilterFile, cdr.FilterChannel); | |
1390 | if ((cdr.Mode & MODE_SF) && (subhdr->file != cdr.FilterFile || subhdr->chan != cdr.FilterChannel)) | |
1391 | break; | |
1392 | if (subhdr->chan & 0xe0) { // ? | |
1393 | if (subhdr->chan != 0xff) | |
1394 | log_unhandled("adpcm %d:%d\n", subhdr->file, subhdr->chan); | |
1395 | break; | |
1396 | } | |
1397 | if (!cdr.FileChannelSelected) { | |
1398 | cdr.CurFile = subhdr->file; | |
1399 | cdr.CurChannel = subhdr->chan; | |
1400 | cdr.FileChannelSelected = 1; | |
9f8b032d | 1401 | } |
5c5e6c0c | 1402 | else if (subhdr->file != cdr.CurFile || subhdr->chan != cdr.CurChannel) |
1403 | break; | |
9f8b032d | 1404 | |
5c5e6c0c | 1405 | // accepted as adpcm |
1406 | deliver_data = 0; | |
1407 | ||
1408 | if (Config.Xa) | |
1409 | break; | |
1410 | if (!cdr.Muted && cdr.AdpcmActive) { | |
1411 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); | |
1412 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, 0); | |
ef79bbde | 1413 | } |
5c5e6c0c | 1414 | // decode next |
1415 | cdr.AdpcmActive = !xa_decode_sector(&cdr.Xa, buf + 4, !cdr.AdpcmActive); | |
1416 | } while (0); | |
1417 | ||
1418 | if ((cdr.Mode & MODE_SF) && (subhdr->mode & 0x44) == 0x44) // according to nocash | |
1419 | deliver_data = 0; | |
ef79bbde | 1420 | |
f5450cfb | 1421 | /* |
1422 | Croc 2: $40 - only FORM1 (*) | |
1423 | Judge Dredd: $C8 - only FORM1 (*) | |
1424 | Sim Theme Park - no adpcm at all (zero) | |
1425 | */ | |
1426 | ||
5c5e6c0c | 1427 | if (deliver_data) |
f5450cfb | 1428 | cdrReadInterruptSetResult(cdr.StatP); |
1429 | ||
752c1c85 | 1430 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1431 | |
480e570b | 1432 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f5450cfb | 1433 | } |
9f8b032d | 1434 | |
ef79bbde P |
1435 | /* |
1436 | cdrRead0: | |
5c5e6c0c | 1437 | bit 0,1 - reg index |
1438 | bit 2 - adpcm active | |
ef79bbde P |
1439 | bit 5 - 1 result ready |
1440 | bit 6 - 1 dma ready | |
1441 | bit 7 - 1 command being processed | |
1442 | */ | |
1443 | ||
1444 | unsigned char cdrRead0(void) { | |
5c5e6c0c | 1445 | cdr.Ctrl &= ~0x24; |
1446 | cdr.Ctrl |= cdr.AdpcmActive << 2; | |
1447 | cdr.Ctrl |= cdr.ResultReady << 5; | |
ef79bbde | 1448 | |
7f2576b2 | 1449 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1450 | |
1451 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1452 | cdr.Ctrl |= 0x18; | |
1453 | ||
af93c8be | 1454 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1455 | |
1456 | return psxHu8(0x1800) = cdr.Ctrl; | |
1457 | } | |
1458 | ||
ef79bbde | 1459 | void cdrWrite0(unsigned char rt) { |
af93c8be | 1460 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1461 | |
50b13be9 | 1462 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1463 | } |
1464 | ||
1465 | unsigned char cdrRead1(void) { | |
94c118c3 | 1466 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1467 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1468 | else |
ef79bbde | 1469 | psxHu8(0x1801) = 0; |
94c118c3 | 1470 | cdr.ResultP++; |
1471 | if (cdr.ResultP == cdr.ResultC) | |
1472 | cdr.ResultReady = 0; | |
1473 | ||
af93c8be | 1474 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1475 | |
ef79bbde P |
1476 | return psxHu8(0x1801); |
1477 | } | |
1478 | ||
1479 | void cdrWrite1(unsigned char rt) { | |
af93c8be | 1480 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1481 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1482 | |
94c118c3 | 1483 | switch (cdr.Ctrl & 3) { |
1484 | case 0: | |
1485 | break; | |
1486 | case 3: | |
53598a71 | 1487 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1488 | return; |
1489 | default: | |
1490 | return; | |
9f8b032d | 1491 | } |
1492 | ||
8b380e97 | 1493 | #ifdef CDR_LOG_CMD_IRQ |
10b9bf1e | 1494 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1495 | if (cdr.ParamC) { |
af93c8be | 1496 | int i; |
ef79bbde P |
1497 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1498 | for (i = 0; i < cdr.ParamC; i++) | |
1499 | SysPrintf(" %x,", cdr.Param[i]); | |
1500 | SysPrintf("}\n"); | |
1501 | } else { | |
1502 | SysPrintf("\n"); | |
1503 | } | |
1504 | #endif | |
1505 | ||
2daaaae3 | 1506 | cdr.ResultReady = 0; |
94c118c3 | 1507 | cdr.Ctrl |= 0x80; |
8b380e97 | 1508 | |
7f2576b2 | 1509 | if (!cdr.CmdInProgress) { |
1510 | cdr.CmdInProgress = rt; | |
1511 | // should be something like 12k + controller delays | |
9a0a61d2 | 1512 | set_event(PSXINT_CDR, 5000); |
9f8b032d | 1513 | } |
7f2576b2 | 1514 | else { |
10b9bf1e | 1515 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1516 | rt, cdr.Cmd, cdr.CmdInProgress); | |
7f2576b2 | 1517 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1518 | cdr.CmdInProgress = rt; | |
1519 | } | |
1520 | ||
1521 | cdr.Cmd = rt; | |
ef79bbde P |
1522 | } |
1523 | ||
1524 | unsigned char cdrRead2(void) { | |
afaac935 | 1525 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1526 | |
742a21f2 | 1527 | if (cdr.FifoOffset < cdr.FifoSize) |
79cd4919 | 1528 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1529 | else | |
10b9bf1e | 1530 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1531 | |
af93c8be | 1532 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1533 | return ret; |
1534 | } | |
1535 | ||
1536 | void cdrWrite2(unsigned char rt) { | |
af93c8be | 1537 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1538 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1539 | |
94c118c3 | 1540 | switch (cdr.Ctrl & 3) { |
1541 | case 0: | |
1542 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1543 | cdr.Param[cdr.ParamC++] = rt; | |
1544 | return; | |
1545 | case 1: | |
0b988c8b | 1546 | cdr.IrqMask = rt; |
1547 | setIrq(cdr.IrqStat, 0x1005); | |
94c118c3 | 1548 | return; |
1549 | case 2: | |
53598a71 | 1550 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1551 | return; |
1552 | case 3: | |
53598a71 | 1553 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1554 | return; |
ef79bbde P |
1555 | } |
1556 | } | |
1557 | ||
1558 | unsigned char cdrRead3(void) { | |
94c118c3 | 1559 | if (cdr.Ctrl & 0x1) |
0b988c8b | 1560 | psxHu8(0x1803) = cdr.IrqStat | 0xE0; |
94c118c3 | 1561 | else |
0b988c8b | 1562 | psxHu8(0x1803) = cdr.IrqMask | 0xE0; |
8b380e97 | 1563 | |
af93c8be | 1564 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1565 | return psxHu8(0x1803); |
1566 | } | |
1567 | ||
1568 | void cdrWrite3(unsigned char rt) { | |
af93c8be | 1569 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1570 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1571 | |
94c118c3 | 1572 | switch (cdr.Ctrl & 3) { |
1573 | case 0: | |
a34a2445 | 1574 | break; // transfer |
94c118c3 | 1575 | case 1: |
0b988c8b | 1576 | if (cdr.IrqStat & rt) { |
399f666e | 1577 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1578 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
10b9bf1e | 1579 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
7f2576b2 | 1580 | #ifdef CDR_LOG_CMD_IRQ |
0b988c8b | 1581 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", |
1582 | cdr.IrqStat & rt, rt, !!pending, cdr.CmdInProgress, | |
10b9bf1e | 1583 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); |
7f2576b2 | 1584 | #endif |
399f666e | 1585 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
10b9bf1e | 1586 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
399f666e | 1587 | { |
69dc4e5f | 1588 | s32 c = 2048; |
1589 | if (cdr.CmdInProgress) { | |
1590 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1591 | c = MAX_VALUE(c, 512); | |
1592 | } | |
9a0a61d2 | 1593 | set_event(PSXINT_CDR, c); |
399f666e | 1594 | } |
38e03f0a | 1595 | } |
0b988c8b | 1596 | cdr.IrqStat &= ~rt; |
a34a2445 | 1597 | |
1598 | if (rt & 0x40) | |
1599 | cdr.ParamC = 0; | |
1600 | return; | |
94c118c3 | 1601 | case 2: |
53598a71 | 1602 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1603 | return; |
1604 | case 3: | |
53598a71 | 1605 | if (rt & 0x20) { |
1606 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
7f2576b2 | 1607 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1608 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1609 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1610 | } | |
94c118c3 | 1611 | return; |
9f8b032d | 1612 | } |
056d6759 | 1613 | |
742a21f2 | 1614 | // test: Viewpoint |
1615 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1616 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1617 | } | |
1618 | else if (rt & 0x80) { | |
509ebde4 | 1619 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1620 | case MODE_SIZE_2328: |
ef79bbde | 1621 | case 0x00: |
79cd4919 | 1622 | cdr.FifoOffset = 12; |
742a21f2 | 1623 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1624 | break; |
9f8b032d | 1625 | |
1626 | case MODE_SIZE_2340: | |
ef79bbde | 1627 | default: |
79cd4919 | 1628 | cdr.FifoOffset = 0; |
742a21f2 | 1629 | cdr.FifoSize = 2340; |
ef79bbde P |
1630 | break; |
1631 | } | |
1632 | } | |
742a21f2 | 1633 | else if (!(rt & 0xc0)) |
1634 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1635 | } |
1636 | ||
1637 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
b4d5a91d | 1638 | u32 cdsize, max_words; |
c7071c43 | 1639 | int size; |
ef79bbde P |
1640 | u8 *ptr; |
1641 | ||
10b9bf1e | 1642 | #if 0 |
1643 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1644 | if (cdr.FifoOffset == 0) { | |
1645 | ptr = cdr.Transfer; | |
1646 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1647 | } | |
1648 | SysPrintf("\n"); | |
1649 | #endif | |
ef79bbde | 1650 | |
4f329f16 | 1651 | switch (chcr & 0x71000000) { |
ef79bbde | 1652 | case 0x11000000: |
b4d5a91d | 1653 | ptr = getDmaRam(madr, &max_words); |
7a8d521f | 1654 | if (ptr == INVALID_PTR) { |
79cd4919 | 1655 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1656 | break; |
1657 | } | |
9f8b032d | 1658 | |
79cd4919 | 1659 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1660 | ||
9f8b032d | 1661 | /* |
1662 | GS CDX: Enhancement CD crash | |
1663 | - Setloc 0:0:0 | |
1664 | - CdlPlay | |
1665 | - Spams DMA3 and gets buffer overrun | |
1666 | */ | |
79cd4919 | 1667 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1668 | if (size > cdsize) |
1669 | size = cdsize; | |
b4d5a91d | 1670 | if (size > max_words * 4) |
1671 | size = max_words * 4; | |
c7071c43 | 1672 | if (size > 0) |
9f8b032d | 1673 | { |
79cd4919 | 1674 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1675 | cdr.FifoOffset += size; | |
9f8b032d | 1676 | } |
afaac935 | 1677 | if (size < cdsize) { |
6c9db47c | 1678 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
afaac935 | 1679 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1680 | } | |
1681 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1682 | |
9a0a61d2 | 1683 | set_event(PSXINT_CDRDMA, (cdsize / 4) * 24); |
4f329f16 | 1684 | |
1685 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1686 | if (chcr & 0x100) { | |
58ebb94c | 1687 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
4f329f16 | 1688 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1689 | } |
4f329f16 | 1690 | else { |
fc4803bd | 1691 | // halted |
4f329f16 | 1692 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1693 | } |
1694 | return; | |
1695 | ||
ef79bbde | 1696 | default: |
6c9db47c | 1697 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1698 | break; |
1699 | } | |
1700 | ||
1701 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1702 | DMA_INTERRUPT(3); | |
1703 | } | |
1704 | ||
d9a02493 | 1705 | void cdrDmaInterrupt(void) |
9f8b032d | 1706 | { |
ad418c19 | 1707 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1708 | { | |
1709 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1710 | DMA_INTERRUPT(3); | |
1711 | } | |
9f8b032d | 1712 | } |
1713 | ||
fffad32e | 1714 | static void getCdInfo(void) |
1715 | { | |
1716 | u8 tmp; | |
1717 | ||
1718 | CDR_getTN(cdr.ResultTN); | |
1719 | CDR_getTD(0, cdr.SetSectorEnd); | |
1720 | tmp = cdr.SetSectorEnd[0]; | |
1721 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1722 | cdr.SetSectorEnd[2] = tmp; | |
1723 | } | |
1724 | ||
ef79bbde P |
1725 | void cdrReset() { |
1726 | memset(&cdr, 0, sizeof(cdr)); | |
1727 | cdr.CurTrack = 1; | |
5c5e6c0c | 1728 | cdr.FilterFile = 0; |
1729 | cdr.FilterChannel = 0; | |
0b988c8b | 1730 | cdr.IrqMask = 0x1f; |
1731 | cdr.IrqStat = NoIntr; | |
79cd4919 | 1732 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
02b1a085 | 1733 | |
1734 | CDR_getStatus(&stat); | |
1735 | if (stat.Status & STATUS_SHELLOPEN) { | |
1736 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
1737 | cdr.StatP = STATUS_SHELLOPEN; | |
1738 | } | |
1739 | else if (CdromId[0] == '\0') { | |
871bedc6 | 1740 | cdr.DriveState = DRIVESTATE_STOPPED; |
1741 | cdr.StatP = 0; | |
1742 | } | |
1743 | else { | |
1744 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1745 | cdr.StatP = STATUS_ROTATING; | |
1746 | } | |
c9c7a925 | 1747 | |
056d6759 | 1748 | // BIOS player - default values |
53598a71 | 1749 | cdr.AttenuatorLeftToLeft = 0x80; |
1750 | cdr.AttenuatorLeftToRight = 0x00; | |
1751 | cdr.AttenuatorRightToLeft = 0x00; | |
1752 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1753 | |
1754 | getCdInfo(); | |
ef79bbde P |
1755 | } |
1756 | ||
496d88d4 | 1757 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1758 | u32 tmp; |
fffad32e | 1759 | u8 tmpp[3]; |
ef79bbde | 1760 | |
fffad32e | 1761 | if (Mode == 0 && !Config.Cdda) |
1762 | CDR_stop(); | |
9f8b032d | 1763 | |
55b8460a | 1764 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1765 | gzfreeze(&cdr, sizeof(cdr)); |
1766 | ||
94c118c3 | 1767 | if (Mode == 1) { |
1768 | cdr.ParamP = cdr.ParamC; | |
79cd4919 | 1769 | tmp = cdr.FifoOffset; |
94c118c3 | 1770 | } |
ef79bbde P |
1771 | |
1772 | gzfreeze(&tmp, sizeof(tmp)); | |
1773 | ||
42f3c512 | 1774 | if (Mode == 0) { |
fffad32e | 1775 | getCdInfo(); |
1776 | ||
afaac935 | 1777 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
509ebde4 | 1778 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
752c1c85 | 1779 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1780 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1781 | |
fffad32e | 1782 | // read right sub data |
f84d4864 DS |
1783 | tmpp[0] = btoi(cdr.Prev[0]); |
1784 | tmpp[1] = btoi(cdr.Prev[1]); | |
1785 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1786 | cdr.Prev[0]++; |
73b29eeb | 1787 | ReadTrack(tmpp); |
fffad32e | 1788 | |
1789 | if (cdr.Play) { | |
55b8460a | 1790 | if (cdr.freeze_ver < 0x63647202) |
1791 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1792 | ||
fffad32e | 1793 | Find_CurTrack(cdr.SetSectorPlay); |
1794 | if (!Config.Cdda) | |
1795 | CDR_play(cdr.SetSectorPlay); | |
1796 | } | |
42f3c512 | 1797 | } |
1798 | ||
ef79bbde P |
1799 | return 0; |
1800 | } | |
9f8b032d | 1801 | |
d9a02493 | 1802 | void LidInterrupt(void) { |
fffad32e | 1803 | getCdInfo(); |
80f91a20 | 1804 | cdrLidSeekInterrupt(); |
9f8b032d | 1805 | } |