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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" |
8f2bb0cb | 29 | #include "arm_features.h" |
ef79bbde | 30 | |
8b380e97 | 31 | /* logging */ |
32 | #if 0 | |
33 | #define CDR_LOG SysPrintf | |
34 | #else | |
35 | #define CDR_LOG(...) | |
36 | #endif | |
37 | #if 0 | |
38 | #define CDR_LOG_I SysPrintf | |
39 | #else | |
4d74a45a | 40 | #define CDR_LOG_I(fmt, ...) \ |
41 | log_unhandled("%u cdrom: " fmt, psxRegs.cycle, ##__VA_ARGS__) | |
8b380e97 | 42 | #endif |
43 | #if 0 | |
44 | #define CDR_LOG_IO SysPrintf | |
45 | #else | |
46 | #define CDR_LOG_IO(...) | |
47 | #endif | |
48 | //#define CDR_LOG_CMD_IRQ | |
49 | ||
e7acd858 | 50 | static struct { |
5c96969c | 51 | // unused members maintain savesate compatibility |
52 | unsigned char unused0; | |
53 | unsigned char unused1; | |
e7acd858 | 54 | unsigned char Reg2; |
5c96969c | 55 | unsigned char unused2; |
e7acd858 | 56 | unsigned char Ctrl; |
57 | unsigned char Stat; | |
58 | ||
59 | unsigned char StatP; | |
60 | ||
61 | unsigned char Transfer[DATA_SIZE]; | |
62 | struct { | |
63 | unsigned char Track; | |
64 | unsigned char Index; | |
65 | unsigned char Relative[3]; | |
66 | unsigned char Absolute[3]; | |
67 | } subq; | |
68 | unsigned char TrackChanged; | |
bbcd0c29 | 69 | unsigned char ReportDelay; |
b524c671 | 70 | unsigned char unused3; |
71 | unsigned short sectorsRead; | |
e7acd858 | 72 | unsigned int freeze_ver; |
73 | ||
74 | unsigned char Prev[4]; | |
75 | unsigned char Param[8]; | |
76 | unsigned char Result[16]; | |
77 | ||
78 | unsigned char ParamC; | |
79 | unsigned char ParamP; | |
80 | unsigned char ResultC; | |
81 | unsigned char ResultP; | |
82 | unsigned char ResultReady; | |
83 | unsigned char Cmd; | |
0eacae49 | 84 | unsigned char SubqForwardSectors; |
e7acd858 | 85 | unsigned char SetlocPending; |
86 | u32 Reading; | |
87 | ||
88 | unsigned char ResultTN[6]; | |
89 | unsigned char ResultTD[4]; | |
90 | unsigned char SetSectorPlay[4]; | |
91 | unsigned char SetSectorEnd[4]; | |
92 | unsigned char SetSector[4]; | |
93 | unsigned char Track; | |
94 | boolean Play, Muted; | |
95 | int CurTrack; | |
96 | int Mode, File, Channel; | |
3c2583a6 | 97 | unsigned char LocL[8]; |
e7acd858 | 98 | int FirstSector; |
99 | ||
100 | xa_decode_t Xa; | |
101 | ||
e411faef | 102 | u16 FifoOffset; |
103 | u16 FifoSize; | |
e7acd858 | 104 | |
5c96969c | 105 | u16 CmdInProgress; |
f55c59b7 | 106 | u8 Irq1Pending; |
107 | u8 unused5; | |
eab544ae | 108 | u32 LastReadCycles; |
e7acd858 | 109 | |
5c96969c | 110 | u8 unused7; |
e7acd858 | 111 | |
112 | u8 DriveState; | |
113 | u8 FastForward; | |
114 | u8 FastBackward; | |
14c8b56a | 115 | u8 errorRetryhack; |
e7acd858 | 116 | |
117 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
118 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
119 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
120 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
121 | } cdr; | |
66425c25 | 122 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
123 | |
124 | /* CD-ROM magic numbers */ | |
2e88c317 | 125 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
126 | #define CdlNop 1 |
127 | #define CdlSetloc 2 | |
128 | #define CdlPlay 3 | |
129 | #define CdlForward 4 | |
130 | #define CdlBackward 5 | |
131 | #define CdlReadN 6 | |
132 | #define CdlStandby 7 | |
133 | #define CdlStop 8 | |
134 | #define CdlPause 9 | |
8399ca33 | 135 | #define CdlReset 10 |
ef79bbde P |
136 | #define CdlMute 11 |
137 | #define CdlDemute 12 | |
138 | #define CdlSetfilter 13 | |
139 | #define CdlSetmode 14 | |
95465b97 | 140 | #define CdlGetparam 15 |
ef79bbde P |
141 | #define CdlGetlocL 16 |
142 | #define CdlGetlocP 17 | |
143 | #define CdlReadT 18 | |
144 | #define CdlGetTN 19 | |
145 | #define CdlGetTD 20 | |
146 | #define CdlSeekL 21 | |
147 | #define CdlSeekP 22 | |
148 | #define CdlSetclock 23 | |
149 | #define CdlGetclock 24 | |
150 | #define CdlTest 25 | |
151 | #define CdlID 26 | |
152 | #define CdlReadS 27 | |
8399ca33 | 153 | #define CdlInit 28 |
e4268a49 | 154 | #define CdlGetQ 29 |
ef79bbde P |
155 | #define CdlReadToc 30 |
156 | ||
e7acd858 | 157 | #ifdef CDR_LOG_CMD_IRQ |
158 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
159 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
160 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 161 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 162 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
163 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
164 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
165 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 166 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 167 | }; |
e7acd858 | 168 | #endif |
ef79bbde P |
169 | |
170 | unsigned char Test04[] = { 0 }; | |
171 | unsigned char Test05[] = { 0 }; | |
172 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
173 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
174 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
175 | ||
9f8b032d | 176 | // cdr.Stat: |
177 | #define NoIntr 0 | |
178 | #define DataReady 1 | |
179 | #define Complete 2 | |
180 | #define Acknowledge 3 | |
181 | #define DataEnd 4 | |
182 | #define DiskError 5 | |
183 | ||
184 | /* Modes flags */ | |
185 | #define MODE_SPEED (1<<7) // 0x80 | |
186 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
187 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
188 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 189 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 190 | #define MODE_SF (1<<3) // 0x08 channel on/off |
191 | #define MODE_REPORT (1<<2) // 0x04 | |
192 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
193 | #define MODE_CDDA (1<<0) // 0x01 | |
194 | ||
195 | /* Status flags */ | |
196 | #define STATUS_PLAY (1<<7) // 0x80 | |
197 | #define STATUS_SEEK (1<<6) // 0x40 | |
198 | #define STATUS_READ (1<<5) // 0x20 | |
199 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
200 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
201 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
202 | #define STATUS_ROTATING (1<<1) // 0x02 | |
203 | #define STATUS_ERROR (1<<0) // 0x01 | |
204 | ||
e4268a49 | 205 | /* Errors */ |
003cfc63 | 206 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 207 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
208 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 209 | |
ef79bbde P |
210 | // 1x = 75 sectors per second |
211 | // PSXCLK = 1 sec in the ps | |
212 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
213 | #define cdReadTime (PSXCLK / 75) | |
214 | ||
3c2583a6 | 215 | #define LOCL_INVALID 0xff |
0eacae49 | 216 | #define SUBQ_FORWARD_SECTORS 2u |
3c2583a6 | 217 | |
80f91a20 | 218 | enum drive_state { |
05e5c298 | 219 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 220 | DRIVESTATE_LID_OPEN, |
221 | DRIVESTATE_RESCAN_CD, | |
222 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 223 | DRIVESTATE_STOPPED, |
80f91a20 | 224 | }; |
225 | ||
ef79bbde | 226 | static struct CdrStat stat; |
ef79bbde | 227 | |
fffad32e | 228 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 229 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
230 | } | |
231 | ||
fffad32e | 232 | // for that weird psemu API.. |
233 | static unsigned int fsm2sec(const u8 *msf) { | |
234 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
235 | } | |
236 | ||
305c8c93 | 237 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 238 | msf[0] = s / 75 / 60; |
239 | s = s - msf[0] * 75 * 60; | |
240 | msf[1] = s / 75; | |
241 | s = s - msf[1] * 75; | |
242 | msf[2] = s; | |
243 | } | |
244 | ||
39df67df | 245 | // cdrInterrupt |
ef79bbde | 246 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 247 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
248 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
249 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
250 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 251 | } |
ef79bbde | 252 | |
c4e62180 | 253 | // cdrPlayReadInterrupt |
254 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
9a1338bc | 255 | u32 e_ = eCycle; \ |
d28b54b1 | 256 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 257 | if (isFirst) \ |
258 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
259 | else \ | |
260 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
261 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
262 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 263 | } |
ef79bbde | 264 | |
39df67df | 265 | // cdrLidSeekInterrupt |
9f8b032d | 266 | #define CDRLID_INT(eCycle) { \ |
267 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
268 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
269 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
270 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
271 | } | |
272 | ||
ef79bbde | 273 | #define StopReading() { \ |
05e5c298 | 274 | cdr.Reading = 0; \ |
275 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
276 | } |
277 | ||
278 | #define StopCdda() { \ | |
05e5c298 | 279 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
280 | cdr.Play = FALSE; \ | |
281 | cdr.FastForward = 0; \ | |
282 | cdr.FastBackward = 0; \ | |
283 | } | |
284 | ||
285 | #define SetPlaySeekRead(x, f) { \ | |
286 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
287 | x |= f; \ | |
ef79bbde P |
288 | } |
289 | ||
290 | #define SetResultSize(size) { \ | |
94c118c3 | 291 | cdr.ResultP = 0; \ |
ef79bbde P |
292 | cdr.ResultC = size; \ |
293 | cdr.ResultReady = 1; \ | |
294 | } | |
295 | ||
e7acd858 | 296 | static void setIrq(int log_cmd) |
94c118c3 | 297 | { |
298 | if (cdr.Stat & cdr.Reg2) | |
299 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 300 | |
301 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 302 | if (cdr.Stat) |
e7acd858 | 303 | { |
304 | int i; | |
4d74a45a | 305 | CDR_LOG_I("CDR IRQ=%d cmd %02x stat %02x: ", |
306 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
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(); |
324 | StopReading(); | |
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; |
334 | CDRLID_INT(0x800); | |
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)) { | |
80f91a20 | 344 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 345 | |
80f91a20 | 346 | // could generate error irq here, but real hardware |
347 | // only sometimes does that | |
348 | // (not done when lots of commands are sent?) | |
9f8b032d | 349 | |
80f91a20 | 350 | CDRLID_INT(cdReadTime * 30); |
351 | break; | |
9f8b032d | 352 | } |
80f91a20 | 353 | else if (cdr.StatP & STATUS_ROTATING) { |
354 | cdr.StatP &= ~STATUS_ROTATING; | |
355 | } | |
356 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
357 | // closed now | |
358 | CheckCdrom(); | |
9f8b032d | 359 | |
80f91a20 | 360 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
361 | // and is only cleared by CdlNop | |
9f8b032d | 362 | |
80f91a20 | 363 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
364 | CDRLID_INT(cdReadTime * 105); | |
365 | break; | |
366 | } | |
9f8b032d | 367 | |
80f91a20 | 368 | // recheck for close |
369 | CDRLID_INT(cdReadTime * 3); | |
370 | break; | |
9f8b032d | 371 | |
80f91a20 | 372 | case DRIVESTATE_RESCAN_CD: |
373 | cdr.StatP |= STATUS_ROTATING; | |
374 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 375 | |
80f91a20 | 376 | // this is very long on real hardware, over 6 seconds |
377 | // make it a bit faster here... | |
378 | CDRLID_INT(cdReadTime * 150); | |
379 | break; | |
9f8b032d | 380 | |
80f91a20 | 381 | case DRIVESTATE_PREPARE_CD: |
b4638ad9 | 382 | if (cdr.StatP & STATUS_SEEK) { |
383 | SetPlaySeekRead(cdr.StatP, 0); | |
384 | cdr.DriveState = DRIVESTATE_STANDBY; | |
385 | } | |
386 | else { | |
387 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
388 | CDRLID_INT(cdReadTime * 26); | |
389 | } | |
80f91a20 | 390 | break; |
9f8b032d | 391 | } |
392 | } | |
393 | ||
fffad32e | 394 | static void Find_CurTrack(const u8 *time) |
395 | { | |
396 | int current, sect; | |
9f8b032d | 397 | |
fffad32e | 398 | current = msf2sec(time); |
9f8b032d | 399 | |
fffad32e | 400 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
401 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
402 | sect = fsm2sec(cdr.ResultTD); | |
403 | if (sect - current >= 150) | |
9f8b032d | 404 | break; |
9f8b032d | 405 | } |
406 | } | |
407 | ||
73b29eeb | 408 | static void generate_subq(const u8 *time) |
409 | { | |
410 | unsigned char start[3], next[3]; | |
411 | unsigned int this_s, start_s, next_s, pregap; | |
412 | int relative_s; | |
413 | ||
414 | CDR_getTD(cdr.CurTrack, start); | |
415 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
416 | pregap = 150; | |
417 | CDR_getTD(cdr.CurTrack + 1, next); | |
418 | } | |
419 | else { | |
420 | // last track - cd size | |
421 | pregap = 0; | |
422 | next[0] = cdr.SetSectorEnd[2]; | |
423 | next[1] = cdr.SetSectorEnd[1]; | |
424 | next[2] = cdr.SetSectorEnd[0]; | |
425 | } | |
426 | ||
427 | this_s = msf2sec(time); | |
428 | start_s = fsm2sec(start); | |
429 | next_s = fsm2sec(next); | |
430 | ||
431 | cdr.TrackChanged = FALSE; | |
432 | ||
433 | if (next_s - this_s < pregap) { | |
434 | cdr.TrackChanged = TRUE; | |
435 | cdr.CurTrack++; | |
436 | start_s = next_s; | |
437 | } | |
438 | ||
439 | cdr.subq.Index = 1; | |
440 | ||
441 | relative_s = this_s - start_s; | |
442 | if (relative_s < 0) { | |
443 | cdr.subq.Index = 0; | |
444 | relative_s = -relative_s; | |
445 | } | |
446 | sec2msf(relative_s, cdr.subq.Relative); | |
447 | ||
448 | cdr.subq.Track = itob(cdr.CurTrack); | |
449 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
450 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
451 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
452 | cdr.subq.Absolute[0] = itob(time[0]); | |
453 | cdr.subq.Absolute[1] = itob(time[1]); | |
454 | cdr.subq.Absolute[2] = itob(time[2]); | |
455 | } | |
456 | ||
0eacae49 | 457 | static int ReadTrack(const u8 *time) |
458 | { | |
fffad32e | 459 | unsigned char tmp[3]; |
3c2583a6 | 460 | int read_ok; |
ef79bbde | 461 | |
fffad32e | 462 | tmp[0] = itob(time[0]); |
463 | tmp[1] = itob(time[1]); | |
464 | tmp[2] = itob(time[2]); | |
ef79bbde | 465 | |
fffad32e | 466 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
3c2583a6 | 467 | return 1; |
39df67df | 468 | |
fffad32e | 469 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 470 | |
3c2583a6 | 471 | read_ok = CDR_readTrack(tmp); |
1f665cdd | 472 | if (read_ok) |
473 | memcpy(cdr.Prev, tmp, 3); | |
0eacae49 | 474 | return read_ok; |
475 | } | |
476 | ||
477 | static void UpdateSubq(const u8 *time) | |
478 | { | |
479 | const struct SubQ *subq; | |
480 | u16 crc; | |
9f8b032d | 481 | |
fffad32e | 482 | if (CheckSBI(time)) |
0eacae49 | 483 | return; |
9f8b032d | 484 | |
0eacae49 | 485 | subq = (struct SubQ *)CDR_getBufferSub(MSF2SECT(time[0], time[1], time[2])); |
73b29eeb | 486 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 487 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 488 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 489 | cdr.subq.Track = subq->TrackNumber; |
490 | cdr.subq.Index = subq->IndexNumber; | |
491 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
492 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 493 | } |
92ca1ba6 | 494 | else { |
0eacae49 | 495 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
496 | time[0], time[1], time[2]); | |
92ca1ba6 | 497 | } |
9f8b032d | 498 | } |
fffad32e | 499 | else { |
73b29eeb | 500 | generate_subq(time); |
9f8b032d | 501 | } |
9f8b032d | 502 | |
fffad32e | 503 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
504 | cdr.subq.Track, cdr.subq.Index, | |
505 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
506 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
507 | } | |
9f8b032d | 508 | |
7f457614 | 509 | static void cdrPlayInterrupt_Autopause() |
510 | { | |
66425c25 | 511 | u32 abs_lev_max = 0; |
512 | boolean abs_lev_chselect; | |
513 | u32 i; | |
514 | ||
fffad32e | 515 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 516 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 517 | |
518 | // Magic the Gathering | |
519 | // - looping territory cdda | |
520 | ||
521 | // ...? | |
522 | //cdr.ResultReady = 1; | |
523 | //cdr.Stat = DataReady; | |
524 | cdr.Stat = DataEnd; | |
f4a0ef36 | 525 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 526 | |
527 | StopCdda(); | |
05e5c298 | 528 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 529 | } |
bbcd0c29 | 530 | else if ((cdr.Mode & MODE_REPORT) && !cdr.ReportDelay && |
531 | ((cdr.subq.Absolute[2] & 0x0f) == 0 || cdr.FastForward || cdr.FastBackward)) | |
532 | { | |
fffad32e | 533 | cdr.Result[0] = cdr.StatP; |
534 | cdr.Result[1] = cdr.subq.Track; | |
535 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 536 | |
537 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
538 | ||
539 | /* 8 is a hack. For accuracy, it should be 588. */ | |
540 | for (i = 0; i < 8; i++) | |
541 | { | |
542 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
543 | } | |
544 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
545 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 546 | |
fffad32e | 547 | if (cdr.subq.Absolute[2] & 0x10) { |
548 | cdr.Result[3] = cdr.subq.Relative[0]; | |
549 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
550 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 551 | } |
fffad32e | 552 | else { |
553 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
554 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
555 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
556 | } | |
557 | ||
66425c25 | 558 | cdr.Result[6] = abs_lev_max >> 0; |
559 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 560 | |
561 | // Rayman: Logo freeze (resultready + dataready) | |
562 | cdr.ResultReady = 1; | |
563 | cdr.Stat = DataReady; | |
564 | ||
565 | SetResultSize(8); | |
f4a0ef36 | 566 | setIrq(0x1001); |
7f457614 | 567 | } |
bbcd0c29 | 568 | |
569 | if (cdr.ReportDelay) | |
570 | cdr.ReportDelay--; | |
7f457614 | 571 | } |
572 | ||
eab544ae | 573 | // LastReadCycles |
05e5c298 | 574 | static int cdrSeekTime(unsigned char *target) |
575 | { | |
1290ebe4 | 576 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
eab544ae | 577 | int pausePenalty, seekTime = abs(diff) * (cdReadTime / 2000); |
578 | seekTime = MAX_VALUE(seekTime, 20000); | |
579 | ||
580 | // need this stupidly long penalty or else Spyro2 intro desyncs | |
d021fd1a | 581 | pausePenalty = (s32)(psxRegs.cycle - cdr.LastReadCycles) > cdReadTime * 8 ? cdReadTime * 25 : 0; |
eab544ae | 582 | seekTime += pausePenalty; |
583 | ||
584 | seekTime = MIN_VALUE(seekTime, PSXCLK * 2 / 3); | |
05e5c298 | 585 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); |
586 | return seekTime; | |
587 | } | |
588 | ||
fc7764f1 | 589 | static u32 cdrAlignTimingHack(u32 cycles) |
590 | { | |
591 | /* | |
592 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
593 | * The game has a bug where it issues some cdc commands from a low priority | |
594 | * vint handler, however there is a higher priority default bios handler | |
595 | * that acks the vint irq and returns, so game's handler is not reached | |
596 | * (see bios irq handler chains at e004 and the game's irq handling func | |
597 | * at 80036810). For the game to work, vint has to arrive after the bios | |
598 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
599 | * active), but before the game's handler loop reads I_STAT. The time | |
600 | * window for this is quite small (~1k cycles of so). Apparently this | |
601 | * somehow happens naturally on the real hardware. | |
d0d2939d | 602 | * |
603 | * Note: always enforcing this breaks other games like Crash PAL version | |
604 | * (inputs get dropped because bios handler doesn't see interrupts). | |
fc7764f1 | 605 | */ |
d0d2939d | 606 | u32 vint_rel; |
607 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
608 | return cycles; | |
609 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
fc7764f1 | 610 | vint_rel += PSXCLK / 60; |
611 | while ((s32)(vint_rel - cycles) < 0) | |
612 | vint_rel += PSXCLK / 60; | |
613 | return vint_rel; | |
614 | } | |
615 | ||
4d384ca8 | 616 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 617 | static void cdrReadInterrupt(void); |
3e629be9 | 618 | static void cdrPrepCdda(s16 *buf, int samples); |
619 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 620 | |
0eacae49 | 621 | static void msfiAdd(u8 *msfi, u32 count) |
622 | { | |
623 | assert(count < 75); | |
624 | msfi[2] += count; | |
625 | if (msfi[2] >= 75) { | |
626 | msfi[2] -= 75; | |
627 | msfi[1]++; | |
628 | if (msfi[1] == 60) { | |
629 | msfi[1] = 0; | |
630 | msfi[0]++; | |
631 | } | |
632 | } | |
633 | } | |
634 | ||
b524c671 | 635 | static void msfiSub(u8 *msfi, u32 count) |
636 | { | |
637 | assert(count < 75); | |
638 | msfi[2] -= count; | |
639 | if ((s8)msfi[2] < 0) { | |
640 | msfi[2] += 75; | |
641 | msfi[1]--; | |
642 | if ((s8)msfi[1] < 0) { | |
643 | msfi[1] = 60; | |
644 | msfi[0]--; | |
645 | } | |
646 | } | |
647 | } | |
648 | ||
c4e62180 | 649 | void cdrPlayReadInterrupt(void) |
7f457614 | 650 | { |
eab544ae | 651 | cdr.LastReadCycles = psxRegs.cycle; |
652 | ||
28eea6ac | 653 | if (cdr.Reading) { |
654 | cdrReadInterrupt(); | |
655 | return; | |
656 | } | |
657 | ||
39df67df | 658 | if (!cdr.Play) return; |
7f457614 | 659 | |
7f457614 | 660 | CDR_LOG( "CDDA - %d:%d:%d\n", |
661 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 662 | |
28eea6ac | 663 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 664 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
665 | StopCdda(); | |
05e5c298 | 666 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 667 | cdr.TrackChanged = TRUE; |
668 | } | |
084b0f31 | 669 | else { |
670 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
671 | } | |
7f457614 | 672 | |
5c96969c | 673 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 674 | cdrPlayInterrupt_Autopause(); |
675 | ||
cdaef86c | 676 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 677 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 678 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 679 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
680 | cdr.FirstSector = 0; | |
66425c25 | 681 | } |
fffad32e | 682 | |
0eacae49 | 683 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 684 | |
fffad32e | 685 | // update for CdlGetlocP/autopause |
73b29eeb | 686 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 687 | |
c4e62180 | 688 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 689 | } |
690 | ||
f4a0ef36 | 691 | #define CMD_PART2 0x100 |
692 | #define CMD_WHILE_NOT_READY 0x200 | |
693 | ||
28eea6ac | 694 | void cdrInterrupt(void) { |
e4268a49 | 695 | int start_rotating = 0; |
696 | int error = 0; | |
fc7764f1 | 697 | u32 cycles, seekTime = 0; |
5c96969c | 698 | u32 second_resp_time = 0; |
3c2583a6 | 699 | const void *buf; |
5c96969c | 700 | u8 ParamC; |
115d0459 | 701 | u8 set_loc[3]; |
3c2583a6 | 702 | int read_ok; |
f4a0ef36 | 703 | u16 not_ready = 0; |
5c96969c | 704 | u16 Cmd; |
115d0459 | 705 | int i; |
ef79bbde P |
706 | |
707 | if (cdr.Stat) { | |
4d74a45a | 708 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
709 | cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
710 | return; |
711 | } | |
4d384ca8 | 712 | if (cdr.Irq1Pending) { |
713 | // hand out the "newest" sector, according to nocash | |
714 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
4d74a45a | 715 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
716 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
717 | cdr.CmdInProgress, cdr.Irq1Pending); | |
4d384ca8 | 718 | SetResultSize(1); |
719 | cdr.Result[0] = cdr.Irq1Pending; | |
720 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
721 | cdr.Irq1Pending = 0; | |
f4a0ef36 | 722 | setIrq(0x1003); |
4d384ca8 | 723 | return; |
724 | } | |
ef79bbde | 725 | |
e4268a49 | 726 | // default response |
727 | SetResultSize(1); | |
728 | cdr.Result[0] = cdr.StatP; | |
729 | cdr.Stat = Acknowledge; | |
730 | ||
5c96969c | 731 | Cmd = cdr.CmdInProgress; |
732 | cdr.CmdInProgress = 0; | |
733 | ParamC = cdr.ParamC; | |
e4268a49 | 734 | |
5c96969c | 735 | if (Cmd < 0x100) { |
f4a0ef36 | 736 | cdr.Ctrl &= ~0x80; |
5c96969c | 737 | cdr.ParamC = 0; |
f4a0ef36 | 738 | cdr.Cmd = 0; |
739 | } | |
740 | ||
741 | switch (cdr.DriveState) { | |
b4638ad9 | 742 | case DRIVESTATE_PREPARE_CD: |
743 | if (Cmd > 2) { | |
744 | // Syphon filter 2 expects commands to work shortly after it sees | |
745 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
746 | cdr.DriveState = DRIVESTATE_STANDBY; | |
747 | cdr.StatP &= ~STATUS_SEEK; | |
748 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
749 | break; | |
750 | } | |
751 | // fallthrough | |
f4a0ef36 | 752 | case DRIVESTATE_LID_OPEN: |
753 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 754 | // no disk or busy with the initial scan, allowed cmds are limited |
755 | not_ready = CMD_WHILE_NOT_READY; | |
756 | break; | |
5c96969c | 757 | } |
e4268a49 | 758 | |
f4a0ef36 | 759 | switch (Cmd | not_ready) { |
ef79bbde | 760 | case CdlNop: |
f4a0ef36 | 761 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 762 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
763 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
764 | break; |
765 | ||
766 | case CdlSetloc: | |
f4a0ef36 | 767 | case CdlSetloc + CMD_WHILE_NOT_READY: |
115d0459 | 768 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
769 | ||
770 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
771 | 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)) | |
772 | { | |
ab88c81f | 773 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
14c8b56a | 774 | if (++cdr.errorRetryhack > 100) |
775 | break; | |
115d0459 | 776 | error = ERROR_INVALIDARG; |
777 | goto set_error; | |
778 | } | |
779 | else | |
780 | { | |
781 | for (i = 0; i < 3; i++) | |
115d0459 | 782 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 783 | memcpy(cdr.SetSector, set_loc, 3); |
784 | cdr.SetSector[3] = 0; | |
785 | cdr.SetlocPending = 1; | |
14c8b56a | 786 | cdr.errorRetryhack = 0; |
115d0459 | 787 | } |
ef79bbde P |
788 | break; |
789 | ||
55b8460a | 790 | do_CdlPlay: |
ef79bbde | 791 | case CdlPlay: |
030bd76a | 792 | StopCdda(); |
05e5c298 | 793 | StopReading(); |
794 | ||
d2e271b2 | 795 | cdr.FastBackward = 0; |
796 | cdr.FastForward = 0; | |
797 | ||
2d5ca6c0 | 798 | // BIOS CD Player |
799 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
800 | ||
5c96969c | 801 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 802 | int track = btoi( cdr.Param[0] ); |
803 | ||
804 | if (track <= cdr.ResultTN[1]) | |
805 | cdr.CurTrack = track; | |
806 | ||
807 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
808 | ||
809 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 810 | for (i = 0; i < 3; i++) |
811 | set_loc[i] = cdr.ResultTD[2 - i]; | |
812 | seekTime = cdrSeekTime(set_loc); | |
813 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 814 | } |
815 | } | |
05e5c298 | 816 | else if (cdr.SetlocPending) { |
817 | seekTime = cdrSeekTime(cdr.SetSector); | |
818 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
819 | } | |
820 | else { | |
821 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
822 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
823 | } | |
824 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 825 | |
9f8b032d | 826 | /* |
827 | Rayman: detect track changes | |
828 | - fixes logo freeze | |
829 | ||
830 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
831 | - plays tracks without retry play | |
832 | ||
833 | Wild 9: skip PREGAP + starting accurate SubQ | |
834 | - plays tracks without retry play | |
835 | */ | |
fffad32e | 836 | Find_CurTrack(cdr.SetSectorPlay); |
0eacae49 | 837 | generate_subq(cdr.SetSectorPlay); |
3c2583a6 | 838 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 839 | cdr.SubqForwardSectors = 1; |
fffad32e | 840 | cdr.TrackChanged = FALSE; |
cdaef86c | 841 | cdr.FirstSector = 1; |
bbcd0c29 | 842 | cdr.ReportDelay = 60; |
b524c671 | 843 | cdr.sectorsRead = 0; |
9f8b032d | 844 | |
2d5ca6c0 | 845 | if (!Config.Cdda) |
2e88c317 | 846 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 847 | |
05e5c298 | 848 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 849 | |
850 | // BIOS player - set flag again | |
851 | cdr.Play = TRUE; | |
852 | ||
c4e62180 | 853 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 854 | start_rotating = 1; |
ef79bbde P |
855 | break; |
856 | ||
9f8b032d | 857 | case CdlForward: |
e4268a49 | 858 | // TODO: error 80 if stopped |
9f8b032d | 859 | cdr.Stat = Complete; |
2e88c317 | 860 | |
9f8b032d | 861 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 862 | cdr.FastForward = 1; |
9f8b032d | 863 | cdr.FastBackward = 0; |
ef79bbde P |
864 | break; |
865 | ||
9f8b032d | 866 | case CdlBackward: |
9f8b032d | 867 | cdr.Stat = Complete; |
868 | ||
9f8b032d | 869 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 870 | cdr.FastBackward = 1; |
9f8b032d | 871 | cdr.FastForward = 0; |
ef79bbde P |
872 | break; |
873 | ||
9f8b032d | 874 | case CdlStandby: |
e4268a49 | 875 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
876 | error = ERROR_INVALIDARG; | |
877 | goto set_error; | |
878 | } | |
5c96969c | 879 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 880 | start_rotating = 1; |
881 | break; | |
882 | ||
f4a0ef36 | 883 | case CdlStandby + CMD_PART2: |
ef79bbde P |
884 | cdr.Stat = Complete; |
885 | break; | |
886 | ||
887 | case CdlStop: | |
030bd76a | 888 | if (cdr.Play) { |
889 | // grab time for current track | |
890 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
891 | ||
892 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
893 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
894 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
895 | } | |
896 | ||
897 | StopCdda(); | |
898 | StopReading(); | |
05e5c298 | 899 | SetPlaySeekRead(cdr.StatP, 0); |
900 | cdr.StatP &= ~STATUS_ROTATING; | |
3c2583a6 | 901 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 902 | |
5c96969c | 903 | second_resp_time = 0x800; |
e4268a49 | 904 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 905 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 906 | |
907 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 908 | break; |
909 | ||
f4a0ef36 | 910 | case CdlStop + CMD_PART2: |
ef79bbde | 911 | cdr.Stat = Complete; |
ef79bbde P |
912 | break; |
913 | ||
914 | case CdlPause: | |
05e5c298 | 915 | StopCdda(); |
916 | StopReading(); | |
b524c671 | 917 | |
918 | // how the drive maintains the position while paused is quite | |
919 | // complicated, this is the minimum to make "Bedlam" happy | |
920 | msfiSub(cdr.SetSectorPlay, MIN_VALUE(cdr.sectorsRead, 4)); | |
921 | cdr.sectorsRead = 0; | |
922 | ||
12228917 | 923 | /* |
924 | Gundam Battle Assault 2: much slower (*) | |
925 | - Fixes boot, gameplay | |
2e88c317 | 926 | |
12228917 | 927 | Hokuto no Ken 2: slower |
928 | - Fixes intro + subtitles | |
2e88c317 | 929 | |
12228917 | 930 | InuYasha - Feudal Fairy Tale: slower |
931 | - Fixes battles | |
932 | */ | |
62018a94 | 933 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
934 | * The timings from Duckstation are based upon hardware tests. | |
935 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
936 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 937 | * */ |
05e5c298 | 938 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 939 | { |
5c96969c | 940 | second_resp_time = 7000; |
62018a94 | 941 | } |
942 | else | |
943 | { | |
eab544ae | 944 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 1 : 2) * 1097107); |
62018a94 | 945 | } |
05e5c298 | 946 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
947 | break; |
948 | ||
f4a0ef36 | 949 | case CdlPause + CMD_PART2: |
9f8b032d | 950 | cdr.Stat = Complete; |
ef79bbde P |
951 | break; |
952 | ||
8399ca33 | 953 | case CdlReset: |
f4a0ef36 | 954 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 955 | StopCdda(); |
956 | StopReading(); | |
957 | SetPlaySeekRead(cdr.StatP, 0); | |
3c2583a6 | 958 | cdr.LocL[0] = LOCL_INVALID; |
8399ca33 | 959 | cdr.Muted = FALSE; |
dfd4f48e | 960 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 961 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 962 | start_rotating = 1; |
963 | break; | |
964 | ||
f4a0ef36 | 965 | case CdlReset + CMD_PART2: |
966 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 967 | cdr.Stat = Complete; |
ef79bbde P |
968 | break; |
969 | ||
9f8b032d | 970 | case CdlMute: |
030bd76a | 971 | cdr.Muted = TRUE; |
ef79bbde P |
972 | break; |
973 | ||
9f8b032d | 974 | case CdlDemute: |
030bd76a | 975 | cdr.Muted = FALSE; |
ef79bbde P |
976 | break; |
977 | ||
9f8b032d | 978 | case CdlSetfilter: |
030bd76a | 979 | cdr.File = cdr.Param[0]; |
980 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 981 | break; |
ef79bbde P |
982 | |
983 | case CdlSetmode: | |
f4a0ef36 | 984 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 985 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
986 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 987 | break; |
ef79bbde | 988 | |
95465b97 | 989 | case CdlGetparam: |
f4a0ef36 | 990 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 991 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 992 | SetResultSize(5); |
9f8b032d | 993 | cdr.Result[1] = cdr.Mode; |
95465b97 | 994 | cdr.Result[2] = 0; |
995 | cdr.Result[3] = cdr.File; | |
996 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 997 | break; |
ef79bbde | 998 | |
9f8b032d | 999 | case CdlGetlocL: |
3c2583a6 | 1000 | if (cdr.LocL[0] == LOCL_INVALID) { |
1001 | error = 0x80; | |
1002 | goto set_error; | |
1003 | } | |
ef79bbde | 1004 | SetResultSize(8); |
3c2583a6 | 1005 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 1006 | break; |
ef79bbde P |
1007 | |
1008 | case CdlGetlocP: | |
fffad32e | 1009 | SetResultSize(8); |
1010 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 1011 | break; |
892bd7d4 | 1012 | |
e4268a49 | 1013 | case CdlReadT: // SetSession? |
1014 | // really long | |
5c96969c | 1015 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 1016 | start_rotating = 1; |
1017 | break; | |
1018 | ||
f4a0ef36 | 1019 | case CdlReadT + CMD_PART2: |
e4268a49 | 1020 | cdr.Stat = Complete; |
ef79bbde P |
1021 | break; |
1022 | ||
9f8b032d | 1023 | case CdlGetTN: |
ef79bbde | 1024 | SetResultSize(3); |
9f8b032d | 1025 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 1026 | cdr.Stat = DiskError; |
9f8b032d | 1027 | cdr.Result[0] |= STATUS_ERROR; |
1028 | } else { | |
1029 | cdr.Stat = Acknowledge; | |
1030 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1031 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
1032 | } | |
1033 | break; | |
ef79bbde | 1034 | |
9f8b032d | 1035 | case CdlGetTD: |
ef79bbde P |
1036 | cdr.Track = btoi(cdr.Param[0]); |
1037 | SetResultSize(4); | |
ef79bbde P |
1038 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
1039 | cdr.Stat = DiskError; | |
9f8b032d | 1040 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1041 | } else { |
1042 | cdr.Stat = Acknowledge; | |
1043 | cdr.Result[0] = cdr.StatP; | |
1044 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1045 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 1046 | /* According to Nocash's documentation, the function doesn't care about ff. |
1047 | * This can be seen also in Mednafen's implementation. */ | |
1048 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1049 | } |
1050 | break; | |
1051 | ||
9f8b032d | 1052 | case CdlSeekL: |
39df67df | 1053 | case CdlSeekP: |
030bd76a | 1054 | StopCdda(); |
1055 | StopReading(); | |
c4e62180 | 1056 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1057 | |
05e5c298 | 1058 | seekTime = cdrSeekTime(cdr.SetSector); |
1059 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1060 | /* |
1061 | Crusaders of Might and Magic = 0.5x-4x | |
1062 | - fix cutscene speech start | |
1063 | ||
1064 | Eggs of Steel = 2x-? | |
1065 | - fix new game | |
1066 | ||
1067 | Medievil = ?-4x | |
1068 | - fix cutscene speech | |
1069 | ||
1070 | Rockman X5 = 0.5-4x | |
1071 | - fix capcom logo | |
1072 | */ | |
c4e62180 | 1073 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1074 | start_rotating = 1; |
ef79bbde P |
1075 | break; |
1076 | ||
c4e62180 | 1077 | case CdlSeekL + CMD_PART2: |
1078 | case CdlSeekP + CMD_PART2: | |
1079 | SetPlaySeekRead(cdr.StatP, 0); | |
5b406fd9 | 1080 | cdr.Result[0] = cdr.StatP; |
c4e62180 | 1081 | cdr.Stat = Complete; |
1082 | ||
1083 | Find_CurTrack(cdr.SetSectorPlay); | |
3c2583a6 | 1084 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1085 | if (read_ok && (buf = CDR_getBuffer())) | |
1086 | memcpy(cdr.LocL, buf, 8); | |
0eacae49 | 1087 | UpdateSubq(cdr.SetSectorPlay); |
c4e62180 | 1088 | cdr.TrackChanged = FALSE; |
1089 | break; | |
1090 | ||
ef79bbde | 1091 | case CdlTest: |
f4a0ef36 | 1092 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1093 | switch (cdr.Param[0]) { |
1094 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1095 | SetResultSize(4); |
1096 | memcpy(cdr.Result, Test20, 4); | |
1097 | break; | |
1098 | case 0x22: | |
1099 | SetResultSize(8); | |
1100 | memcpy(cdr.Result, Test22, 4); | |
1101 | break; | |
1102 | case 0x23: case 0x24: | |
1103 | SetResultSize(8); | |
1104 | memcpy(cdr.Result, Test23, 4); | |
1105 | break; | |
9f8b032d | 1106 | } |
ef79bbde P |
1107 | break; |
1108 | ||
9f8b032d | 1109 | case CdlID: |
5c96969c | 1110 | second_resp_time = 20480; |
ef79bbde P |
1111 | break; |
1112 | ||
f4a0ef36 | 1113 | case CdlID + CMD_PART2: |
ef79bbde | 1114 | SetResultSize(8); |
89ec56af | 1115 | cdr.Result[0] = cdr.StatP; |
1116 | cdr.Result[1] = 0; | |
1117 | cdr.Result[2] = 0; | |
1118 | cdr.Result[3] = 0; | |
9f8b032d | 1119 | |
d8432250 | 1120 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1121 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1122 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1123 | } |
1124 | else { | |
89ec56af | 1125 | if (stat.Type == 2) |
1126 | cdr.Result[1] |= 0x10; | |
1127 | if (CdromId[0] == '\0') | |
9f8b032d | 1128 | cdr.Result[1] |= 0x80; |
9f8b032d | 1129 | } |
89ec56af | 1130 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1131 | |
3e42b115 | 1132 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1133 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1134 | cdr.Stat = Complete; |
1135 | break; | |
1136 | ||
8399ca33 | 1137 | case CdlInit: |
f4a0ef36 | 1138 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1139 | StopCdda(); |
1140 | StopReading(); | |
1141 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1142 | // yes, it really sets STATUS_SHELLOPEN |
1143 | cdr.StatP |= STATUS_SHELLOPEN; | |
1144 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1145 | CDRLID_INT(20480); | |
e4268a49 | 1146 | start_rotating = 1; |
9f8b032d | 1147 | break; |
1148 | ||
e4268a49 | 1149 | case CdlGetQ: |
f4a0ef36 | 1150 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1151 | break; |
1152 | ||
1153 | case CdlReadToc: | |
f4a0ef36 | 1154 | case CdlReadToc + CMD_WHILE_NOT_READY: |
3c2583a6 | 1155 | cdr.LocL[0] = LOCL_INVALID; |
5c96969c | 1156 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1157 | start_rotating = 1; |
ef79bbde P |
1158 | break; |
1159 | ||
f4a0ef36 | 1160 | case CdlReadToc + CMD_PART2: |
1161 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1162 | cdr.Stat = Complete; |
ef79bbde P |
1163 | break; |
1164 | ||
94c118c3 | 1165 | case CdlReadN: |
1166 | case CdlReadS: | |
ab88c81f | 1167 | if (cdr.Reading && !cdr.SetlocPending) |
1168 | break; | |
1169 | ||
05e5c298 | 1170 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1171 | |
1172 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1173 | // Read* acts as play for cdda tracks in cdda mode | |
1174 | goto do_CdlPlay; | |
1175 | ||
05e5c298 | 1176 | StopCdda(); |
1177 | if (cdr.SetlocPending) { | |
1178 | seekTime = cdrSeekTime(cdr.SetSector); | |
1179 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1180 | cdr.SetlocPending = 0; | |
1181 | } | |
030bd76a | 1182 | cdr.Reading = 1; |
1183 | cdr.FirstSector = 1; | |
ef79bbde | 1184 | |
9f8b032d | 1185 | // Fighting Force 2 - update subq time immediately |
1186 | // - fixes new game | |
0eacae49 | 1187 | UpdateSubq(cdr.SetSectorPlay); |
3c2583a6 | 1188 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 1189 | cdr.SubqForwardSectors = 1; |
b524c671 | 1190 | cdr.sectorsRead = 0; |
9f8b032d | 1191 | |
dfd4f48e | 1192 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
fc7764f1 | 1193 | cycles += seekTime; |
d0d2939d | 1194 | if (Config.hacks.cdr_read_timing) |
1195 | cycles = cdrAlignTimingHack(cycles); | |
fc7764f1 | 1196 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1197 | |
05e5c298 | 1198 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1199 | start_rotating = 1; |
ef79bbde | 1200 | break; |
3c2583a6 | 1201 | |
f96ca921 | 1202 | case CdlSync: |
ef79bbde | 1203 | default: |
e4268a49 | 1204 | error = ERROR_INVALIDCMD; |
1205 | // FALLTHROUGH | |
1206 | ||
1207 | set_error: | |
4d74a45a | 1208 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1209 | SetResultSize(2); |
1210 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
f4a0ef36 | 1211 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1212 | cdr.Stat = DiskError; |
ef79bbde P |
1213 | break; |
1214 | } | |
1215 | ||
e4268a49 | 1216 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1217 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1218 | cdr.StatP |= STATUS_ROTATING; | |
1219 | } | |
1220 | ||
5c96969c | 1221 | if (second_resp_time) { |
1222 | cdr.CmdInProgress = Cmd | 0x100; | |
1223 | CDR_INT(second_resp_time); | |
1224 | } | |
1225 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1226 | cdr.CmdInProgress = cdr.Cmd; | |
4d74a45a | 1227 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
5c96969c | 1228 | } |
1229 | ||
1230 | setIrq(Cmd); | |
ef79bbde P |
1231 | } |
1232 | ||
8f2bb0cb | 1233 | #ifdef HAVE_ARMV7 |
53598a71 | 1234 | #define ssat32_to_16(v) \ |
1235 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1236 | #else | |
1237 | #define ssat32_to_16(v) do { \ | |
1238 | if (v < -32768) v = -32768; \ | |
1239 | else if (v > 32767) v = 32767; \ | |
1240 | } while (0) | |
1241 | #endif | |
1242 | ||
3e629be9 | 1243 | static void cdrPrepCdda(s16 *buf, int samples) |
1244 | { | |
1245 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1246 | int i; | |
1247 | for (i = 0; i < samples; i++) { | |
1248 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1249 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1250 | } | |
1251 | #endif | |
1252 | } | |
1253 | ||
1254 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1255 | { |
1256 | int i, l, r; | |
1257 | int ll = cdr.AttenuatorLeftToLeft; | |
1258 | int lr = cdr.AttenuatorLeftToRight; | |
1259 | int rl = cdr.AttenuatorRightToLeft; | |
1260 | int rr = cdr.AttenuatorRightToRight; | |
1261 | ||
1262 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1263 | return; | |
1264 | ||
1265 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1266 | return; | |
1267 | ||
1268 | if (stereo) { | |
1269 | for (i = 0; i < samples; i++) { | |
1270 | l = buf[i * 2]; | |
1271 | r = buf[i * 2 + 1]; | |
1272 | l = (l * ll + r * rl) >> 7; | |
1273 | r = (r * rr + l * lr) >> 7; | |
1274 | ssat32_to_16(l); | |
1275 | ssat32_to_16(r); | |
1276 | buf[i * 2] = l; | |
1277 | buf[i * 2 + 1] = r; | |
1278 | } | |
1279 | } | |
1280 | else { | |
1281 | for (i = 0; i < samples; i++) { | |
1282 | l = buf[i]; | |
1283 | l = l * (ll + rl) >> 7; | |
1284 | //r = r * (rr + lr) >> 7; | |
1285 | ssat32_to_16(l); | |
1286 | //ssat32_to_16(r); | |
1287 | buf[i] = l; | |
1288 | } | |
1289 | } | |
1290 | } | |
1291 | ||
f55c59b7 | 1292 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1293 | { |
5c96969c | 1294 | if (cdr.Stat) { |
4d74a45a | 1295 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f55c59b7 | 1296 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
1297 | cdr.CmdInProgress, cdr.Stat); | |
1298 | cdr.Irq1Pending = result; | |
ef79bbde P |
1299 | return; |
1300 | } | |
ef79bbde | 1301 | SetResultSize(1); |
f55c59b7 | 1302 | cdr.Result[0] = result; |
1303 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
f4a0ef36 | 1304 | setIrq(0x1004); |
f55c59b7 | 1305 | } |
1306 | ||
1307 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1308 | { | |
1309 | if (!buf) | |
1310 | return; | |
1311 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1312 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
b524c671 | 1313 | CDR_LOG("cdr.Transfer %02x:%02x:%02x\n", |
1314 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1315 | if (cdr.FifoOffset < 2048 + 12) |
4d74a45a | 1316 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f55c59b7 | 1317 | } |
1318 | ||
1319 | static void cdrReadInterrupt(void) | |
1320 | { | |
1321 | u8 *buf = NULL, *hdr; | |
0eacae49 | 1322 | u8 subqPos[3]; |
3c2583a6 | 1323 | int read_ok; |
f55c59b7 | 1324 | |
0eacae49 | 1325 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1326 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1327 | UpdateSubq(subqPos); | |
1328 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1329 | cdr.SubqForwardSectors++; | |
1330 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1331 | return; | |
1332 | } | |
1333 | ||
e33e9f99 | 1334 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1335 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
b524c671 | 1336 | cdr.sectorsRead++; |
e33e9f99 | 1337 | |
3c2583a6 | 1338 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1339 | if (read_ok) | |
f55c59b7 | 1340 | buf = CDR_getBuffer(); |
ef79bbde | 1341 | if (buf == NULL) |
3c2583a6 | 1342 | read_ok = 0; |
ef79bbde | 1343 | |
3c2583a6 | 1344 | if (!read_ok) { |
8b380e97 | 1345 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f55c59b7 | 1346 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1347 | return; |
1348 | } | |
3c2583a6 | 1349 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1350 | |
792f1697 | 1351 | if (!cdr.Stat && !cdr.Irq1Pending) |
f55c59b7 | 1352 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1353 | |
9f8b032d | 1354 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1355 | hdr = buf + 4; |
9f8b032d | 1356 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1357 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1358 | cdr.File = hdr[0]; |
1359 | cdr.Channel = hdr[1]; | |
9f8b032d | 1360 | } |
1361 | ||
0e0ad585 | 1362 | /* Gameblabla |
1363 | * Skips playing on channel 255. | |
1364 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1365 | * TODO : Check if this is the proper behaviour. | |
1366 | * */ | |
f55c59b7 | 1367 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1368 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1369 | if (!ret) { |
53598a71 | 1370 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1371 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1372 | cdr.FirstSector = 0; |
1373 | } | |
1374 | else cdr.FirstSector = -1; | |
1375 | } | |
1376 | } | |
1377 | ||
f55c59b7 | 1378 | /* |
1379 | Croc 2: $40 - only FORM1 (*) | |
1380 | Judge Dredd: $C8 - only FORM1 (*) | |
1381 | Sim Theme Park - no adpcm at all (zero) | |
1382 | */ | |
1383 | ||
1384 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1385 | cdrReadInterruptSetResult(cdr.StatP); | |
1386 | ||
0eacae49 | 1387 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1388 | |
c4e62180 | 1389 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1390 | } |
9f8b032d | 1391 | |
ef79bbde P |
1392 | /* |
1393 | cdrRead0: | |
94c118c3 | 1394 | bit 0,1 - mode |
ef79bbde P |
1395 | bit 2 - unknown |
1396 | bit 3 - unknown | |
1397 | bit 4 - unknown | |
1398 | bit 5 - 1 result ready | |
1399 | bit 6 - 1 dma ready | |
1400 | bit 7 - 1 command being processed | |
1401 | */ | |
1402 | ||
1403 | unsigned char cdrRead0(void) { | |
1404 | if (cdr.ResultReady) | |
1405 | cdr.Ctrl |= 0x20; | |
1406 | else | |
1407 | cdr.Ctrl &= ~0x20; | |
1408 | ||
5c96969c | 1409 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1410 | |
1411 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1412 | cdr.Ctrl |= 0x18; | |
1413 | ||
e7acd858 | 1414 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1415 | |
1416 | return psxHu8(0x1800) = cdr.Ctrl; | |
1417 | } | |
1418 | ||
ef79bbde | 1419 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1420 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1421 | |
50b13be9 | 1422 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1423 | } |
1424 | ||
1425 | unsigned char cdrRead1(void) { | |
94c118c3 | 1426 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1427 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1428 | else |
ef79bbde | 1429 | psxHu8(0x1801) = 0; |
94c118c3 | 1430 | cdr.ResultP++; |
1431 | if (cdr.ResultP == cdr.ResultC) | |
1432 | cdr.ResultReady = 0; | |
1433 | ||
e7acd858 | 1434 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1435 | |
ef79bbde P |
1436 | return psxHu8(0x1801); |
1437 | } | |
1438 | ||
1439 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1440 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1441 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1442 | |
94c118c3 | 1443 | switch (cdr.Ctrl & 3) { |
1444 | case 0: | |
1445 | break; | |
1446 | case 3: | |
53598a71 | 1447 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1448 | return; |
1449 | default: | |
1450 | return; | |
9f8b032d | 1451 | } |
1452 | ||
8b380e97 | 1453 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1454 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1455 | if (cdr.ParamC) { |
e7acd858 | 1456 | int i; |
ef79bbde P |
1457 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1458 | for (i = 0; i < cdr.ParamC; i++) | |
1459 | SysPrintf(" %x,", cdr.Param[i]); | |
1460 | SysPrintf("}\n"); | |
1461 | } else { | |
1462 | SysPrintf("\n"); | |
1463 | } | |
1464 | #endif | |
1465 | ||
2daaaae3 | 1466 | cdr.ResultReady = 0; |
94c118c3 | 1467 | cdr.Ctrl |= 0x80; |
8b380e97 | 1468 | |
5c96969c | 1469 | if (!cdr.CmdInProgress) { |
1470 | cdr.CmdInProgress = rt; | |
1471 | // should be something like 12k + controller delays | |
1472 | CDR_INT(5000); | |
9f8b032d | 1473 | } |
5c96969c | 1474 | else { |
4d74a45a | 1475 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1476 | rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1477 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1478 | cdr.CmdInProgress = rt; | |
1479 | } | |
1480 | ||
1481 | cdr.Cmd = rt; | |
ef79bbde P |
1482 | } |
1483 | ||
1484 | unsigned char cdrRead2(void) { | |
ca37f771 | 1485 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1486 | |
e411faef | 1487 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1488 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1489 | else | |
4d74a45a | 1490 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1491 | |
e7acd858 | 1492 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1493 | return ret; |
1494 | } | |
1495 | ||
1496 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1497 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1498 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1499 | |
94c118c3 | 1500 | switch (cdr.Ctrl & 3) { |
1501 | case 0: | |
1502 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1503 | cdr.Param[cdr.ParamC++] = rt; | |
1504 | return; | |
1505 | case 1: | |
1506 | cdr.Reg2 = rt; | |
f4a0ef36 | 1507 | setIrq(0x1005); |
94c118c3 | 1508 | return; |
1509 | case 2: | |
53598a71 | 1510 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1511 | return; |
1512 | case 3: | |
53598a71 | 1513 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1514 | return; |
ef79bbde P |
1515 | } |
1516 | } | |
1517 | ||
1518 | unsigned char cdrRead3(void) { | |
94c118c3 | 1519 | if (cdr.Ctrl & 0x1) |
1520 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1521 | else | |
1522 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1523 | |
e7acd858 | 1524 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1525 | return psxHu8(0x1803); |
1526 | } | |
1527 | ||
1528 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1529 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1530 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1531 | |
94c118c3 | 1532 | switch (cdr.Ctrl & 3) { |
1533 | case 0: | |
a34a2445 | 1534 | break; // transfer |
94c118c3 | 1535 | case 1: |
4d384ca8 | 1536 | if (cdr.Stat & rt) { |
aced3eb3 | 1537 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1538 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
4d74a45a | 1539 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
5c96969c | 1540 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1541 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", cdr.Stat & rt, rt, |
1542 | !!pending, cdr.CmdInProgress, | |
1543 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); | |
5c96969c | 1544 | #endif |
aced3eb3 | 1545 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
4d74a45a | 1546 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
aced3eb3 | 1547 | { |
792f1697 | 1548 | s32 c = 2048; |
1549 | if (cdr.CmdInProgress) { | |
1550 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1551 | c = MAX_VALUE(c, 512); | |
1552 | } | |
aced3eb3 | 1553 | CDR_INT(c); |
1554 | } | |
4d384ca8 | 1555 | } |
a34a2445 | 1556 | cdr.Stat &= ~rt; |
1557 | ||
1558 | if (rt & 0x40) | |
1559 | cdr.ParamC = 0; | |
1560 | return; | |
94c118c3 | 1561 | case 2: |
53598a71 | 1562 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1563 | return; |
1564 | case 3: | |
53598a71 | 1565 | if (rt & 0x20) { |
1566 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1567 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1568 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1569 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1570 | } | |
94c118c3 | 1571 | return; |
9f8b032d | 1572 | } |
056d6759 | 1573 | |
e411faef | 1574 | // test: Viewpoint |
1575 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1576 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1577 | } | |
1578 | else if (rt & 0x80) { | |
dfd4f48e | 1579 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1580 | case MODE_SIZE_2328: |
ef79bbde | 1581 | case 0x00: |
6cbdadb3 | 1582 | cdr.FifoOffset = 12; |
e411faef | 1583 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1584 | break; |
9f8b032d | 1585 | |
1586 | case MODE_SIZE_2340: | |
ef79bbde | 1587 | default: |
6cbdadb3 | 1588 | cdr.FifoOffset = 0; |
e411faef | 1589 | cdr.FifoSize = 2340; |
ef79bbde P |
1590 | break; |
1591 | } | |
1592 | } | |
e411faef | 1593 | else if (!(rt & 0xc0)) |
1594 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1595 | } |
1596 | ||
1597 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
d01bb904 | 1598 | u32 cdsize, max_words; |
c7071c43 | 1599 | int size; |
ef79bbde P |
1600 | u8 *ptr; |
1601 | ||
4d74a45a | 1602 | #if 0 |
1603 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1604 | if (cdr.FifoOffset == 0) { | |
1605 | ptr = cdr.Transfer; | |
1606 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1607 | } | |
1608 | SysPrintf("\n"); | |
1609 | #endif | |
ef79bbde | 1610 | |
7b68d92c | 1611 | switch (chcr & 0x71000000) { |
ef79bbde | 1612 | case 0x11000000: |
d01bb904 | 1613 | ptr = getDmaRam(madr, &max_words); |
b012a437 | 1614 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1615 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1616 | break; |
1617 | } | |
9f8b032d | 1618 | |
6cbdadb3 | 1619 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1620 | ||
9f8b032d | 1621 | /* |
1622 | GS CDX: Enhancement CD crash | |
1623 | - Setloc 0:0:0 | |
1624 | - CdlPlay | |
1625 | - Spams DMA3 and gets buffer overrun | |
1626 | */ | |
6cbdadb3 | 1627 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1628 | if (size > cdsize) |
1629 | size = cdsize; | |
d01bb904 | 1630 | if (size > max_words * 4) |
1631 | size = max_words * 4; | |
c7071c43 | 1632 | if (size > 0) |
9f8b032d | 1633 | { |
6cbdadb3 | 1634 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1635 | cdr.FifoOffset += size; | |
9f8b032d | 1636 | } |
ca37f771 | 1637 | if (size < cdsize) { |
7df2c03c | 1638 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
ca37f771 | 1639 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1640 | } | |
1641 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1642 | |
7b68d92c | 1643 | CDRDMA_INT((cdsize/4) * 24); |
1644 | ||
1645 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1646 | if (chcr & 0x100) { | |
58ebb94c | 1647 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1648 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1649 | } |
7b68d92c | 1650 | else { |
fc4803bd | 1651 | // halted |
7b68d92c | 1652 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1653 | } |
1654 | return; | |
1655 | ||
ef79bbde | 1656 | default: |
7df2c03c | 1657 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1658 | break; |
1659 | } | |
1660 | ||
1661 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1662 | DMA_INTERRUPT(3); | |
1663 | } | |
1664 | ||
28eea6ac | 1665 | void cdrDmaInterrupt(void) |
9f8b032d | 1666 | { |
ad418c19 | 1667 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1668 | { | |
1669 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1670 | DMA_INTERRUPT(3); | |
1671 | } | |
9f8b032d | 1672 | } |
1673 | ||
fffad32e | 1674 | static void getCdInfo(void) |
1675 | { | |
1676 | u8 tmp; | |
1677 | ||
1678 | CDR_getTN(cdr.ResultTN); | |
1679 | CDR_getTD(0, cdr.SetSectorEnd); | |
1680 | tmp = cdr.SetSectorEnd[0]; | |
1681 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1682 | cdr.SetSectorEnd[2] = tmp; | |
1683 | } | |
1684 | ||
ef79bbde P |
1685 | void cdrReset() { |
1686 | memset(&cdr, 0, sizeof(cdr)); | |
1687 | cdr.CurTrack = 1; | |
1688 | cdr.File = 1; | |
1689 | cdr.Channel = 1; | |
a2d3ccb8 | 1690 | cdr.Reg2 = 0x1f; |
1691 | cdr.Stat = NoIntr; | |
6cbdadb3 | 1692 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b4638ad9 | 1693 | if (CdromId[0] == '\0') { |
1694 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1695 | cdr.StatP = 0; | |
1696 | } | |
1697 | else { | |
1698 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1699 | cdr.StatP = STATUS_ROTATING; | |
1700 | } | |
2e88c317 | 1701 | |
056d6759 | 1702 | // BIOS player - default values |
53598a71 | 1703 | cdr.AttenuatorLeftToLeft = 0x80; |
1704 | cdr.AttenuatorLeftToRight = 0x00; | |
1705 | cdr.AttenuatorRightToLeft = 0x00; | |
1706 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1707 | |
1708 | getCdInfo(); | |
ef79bbde P |
1709 | } |
1710 | ||
496d88d4 | 1711 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1712 | u32 tmp; |
fffad32e | 1713 | u8 tmpp[3]; |
ef79bbde | 1714 | |
fffad32e | 1715 | if (Mode == 0 && !Config.Cdda) |
1716 | CDR_stop(); | |
9f8b032d | 1717 | |
55b8460a | 1718 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1719 | gzfreeze(&cdr, sizeof(cdr)); |
1720 | ||
94c118c3 | 1721 | if (Mode == 1) { |
1722 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1723 | tmp = cdr.FifoOffset; |
94c118c3 | 1724 | } |
ef79bbde P |
1725 | |
1726 | gzfreeze(&tmp, sizeof(tmp)); | |
1727 | ||
42f3c512 | 1728 | if (Mode == 0) { |
fffad32e | 1729 | getCdInfo(); |
1730 | ||
ca37f771 | 1731 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
dfd4f48e | 1732 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
0eacae49 | 1733 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1734 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1735 | |
fffad32e | 1736 | // read right sub data |
0204c39a DS |
1737 | tmpp[0] = btoi(cdr.Prev[0]); |
1738 | tmpp[1] = btoi(cdr.Prev[1]); | |
1739 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1740 | cdr.Prev[0]++; |
73b29eeb | 1741 | ReadTrack(tmpp); |
fffad32e | 1742 | |
1743 | if (cdr.Play) { | |
55b8460a | 1744 | if (cdr.freeze_ver < 0x63647202) |
1745 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1746 | ||
fffad32e | 1747 | Find_CurTrack(cdr.SetSectorPlay); |
1748 | if (!Config.Cdda) | |
2e88c317 | 1749 | CDR_play(cdr.SetSectorPlay); |
fffad32e | 1750 | } |
c69642c8 | 1751 | |
1752 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1753 | // old versions did not latch Reg2, have to fixup.. | |
1754 | if (cdr.Reg2 == 0) { | |
1755 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1756 | cdr.Reg2 = 7; | |
1757 | } | |
0f2dee0f | 1758 | // also did not save Attenuator.. |
1759 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1760 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1761 | { | |
1762 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1763 | } | |
c69642c8 | 1764 | } |
42f3c512 | 1765 | } |
1766 | ||
ef79bbde P |
1767 | return 0; |
1768 | } | |
9f8b032d | 1769 | |
28eea6ac | 1770 | void LidInterrupt(void) { |
fffad32e | 1771 | getCdInfo(); |
80f91a20 | 1772 | cdrLidSeekInterrupt(); |
9f8b032d | 1773 | } |