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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; | |
af93c8be | 55 | unsigned char Reg2; |
7f2576b2 | 56 | unsigned char unused2; |
af93c8be | 57 | unsigned char Ctrl; |
58 | unsigned char Stat; | |
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; | |
97 | int Mode, File, Channel; | |
70c1043e | 98 | unsigned char LocL[8]; |
af93c8be | 99 | int FirstSector; |
100 | ||
101 | xa_decode_t Xa; | |
102 | ||
742a21f2 | 103 | u16 FifoOffset; |
104 | u16 FifoSize; | |
af93c8be | 105 | |
7f2576b2 | 106 | u16 CmdInProgress; |
f5450cfb | 107 | u8 Irq1Pending; |
108 | u8 unused5; | |
e7606d0e | 109 | u32 LastReadSeekCycles; |
af93c8be | 110 | |
7f2576b2 | 111 | u8 unused7; |
af93c8be | 112 | |
113 | u8 DriveState; | |
114 | u8 FastForward; | |
115 | u8 FastBackward; | |
4f38d1f8 | 116 | u8 errorRetryhack; |
af93c8be | 117 | |
118 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
119 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
120 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
121 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
122 | } cdr; | |
f4627eb3 | 123 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
124 | |
125 | /* CD-ROM magic numbers */ | |
1f035e27 | 126 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
127 | #define CdlNop 1 |
128 | #define CdlSetloc 2 | |
129 | #define CdlPlay 3 | |
130 | #define CdlForward 4 | |
131 | #define CdlBackward 5 | |
132 | #define CdlReadN 6 | |
133 | #define CdlStandby 7 | |
134 | #define CdlStop 8 | |
135 | #define CdlPause 9 | |
b0bd140d | 136 | #define CdlReset 10 |
ef79bbde P |
137 | #define CdlMute 11 |
138 | #define CdlDemute 12 | |
139 | #define CdlSetfilter 13 | |
140 | #define CdlSetmode 14 | |
dcd72441 | 141 | #define CdlGetparam 15 |
ef79bbde P |
142 | #define CdlGetlocL 16 |
143 | #define CdlGetlocP 17 | |
144 | #define CdlReadT 18 | |
145 | #define CdlGetTN 19 | |
146 | #define CdlGetTD 20 | |
147 | #define CdlSeekL 21 | |
148 | #define CdlSeekP 22 | |
149 | #define CdlSetclock 23 | |
150 | #define CdlGetclock 24 | |
151 | #define CdlTest 25 | |
152 | #define CdlID 26 | |
153 | #define CdlReadS 27 | |
b0bd140d | 154 | #define CdlInit 28 |
e4268a49 | 155 | #define CdlGetQ 29 |
ef79bbde P |
156 | #define CdlReadToc 30 |
157 | ||
af93c8be | 158 | #ifdef CDR_LOG_CMD_IRQ |
159 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
160 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
161 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
b0bd140d | 162 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 163 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
164 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
165 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
166 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 167 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 168 | }; |
af93c8be | 169 | #endif |
ef79bbde P |
170 | |
171 | unsigned char Test04[] = { 0 }; | |
172 | unsigned char Test05[] = { 0 }; | |
173 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
174 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
175 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
176 | ||
9f8b032d | 177 | // cdr.Stat: |
178 | #define NoIntr 0 | |
179 | #define DataReady 1 | |
180 | #define Complete 2 | |
181 | #define Acknowledge 3 | |
182 | #define DataEnd 4 | |
183 | #define DiskError 5 | |
184 | ||
185 | /* Modes flags */ | |
186 | #define MODE_SPEED (1<<7) // 0x80 | |
187 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
188 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
189 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 190 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 191 | #define MODE_SF (1<<3) // 0x08 channel on/off |
192 | #define MODE_REPORT (1<<2) // 0x04 | |
193 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
194 | #define MODE_CDDA (1<<0) // 0x01 | |
195 | ||
196 | /* Status flags */ | |
197 | #define STATUS_PLAY (1<<7) // 0x80 | |
198 | #define STATUS_SEEK (1<<6) // 0x40 | |
199 | #define STATUS_READ (1<<5) // 0x20 | |
200 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
201 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
4a6b26b8 | 202 | #define STATUS_SEEKERROR (1<<2) // 0x04 |
9f8b032d | 203 | #define STATUS_ROTATING (1<<1) // 0x02 |
204 | #define STATUS_ERROR (1<<0) // 0x01 | |
205 | ||
e4268a49 | 206 | /* Errors */ |
003cfc63 | 207 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 208 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
209 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
4a6b26b8 | 210 | #define ERROR_SHELLOPEN (1<<3) // 0x08 |
9f8b032d | 211 | |
ef79bbde P |
212 | // 1x = 75 sectors per second |
213 | // PSXCLK = 1 sec in the ps | |
214 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
215 | #define cdReadTime (PSXCLK / 75) | |
216 | ||
70c1043e | 217 | #define LOCL_INVALID 0xff |
752c1c85 | 218 | #define SUBQ_FORWARD_SECTORS 2u |
70c1043e | 219 | |
80f91a20 | 220 | enum drive_state { |
f522e63c | 221 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 222 | DRIVESTATE_LID_OPEN, |
223 | DRIVESTATE_RESCAN_CD, | |
224 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 225 | DRIVESTATE_STOPPED, |
80f91a20 | 226 | }; |
227 | ||
ef79bbde | 228 | static struct CdrStat stat; |
ef79bbde | 229 | |
fffad32e | 230 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 231 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
232 | } | |
233 | ||
fffad32e | 234 | // for that weird psemu API.. |
235 | static unsigned int fsm2sec(const u8 *msf) { | |
236 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
237 | } | |
238 | ||
305c8c93 | 239 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 240 | msf[0] = s / 75 / 60; |
241 | s = s - msf[0] * 75 * 60; | |
242 | msf[1] = s / 75; | |
243 | s = s - msf[1] * 75; | |
244 | msf[2] = s; | |
245 | } | |
246 | ||
480e570b | 247 | // cdrPlayReadInterrupt |
248 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
df717ca9 | 249 | u32 e_ = eCycle; \ |
d28b54b1 | 250 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
df717ca9 | 251 | if (isFirst) \ |
252 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
253 | else \ | |
254 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
255 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
9a0a61d2 | 256 | set_event_raw_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ |
9f8b032d | 257 | } |
258 | ||
ef79bbde | 259 | #define StopReading() { \ |
f522e63c | 260 | cdr.Reading = 0; \ |
261 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
262 | } |
263 | ||
264 | #define StopCdda() { \ | |
f522e63c | 265 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
266 | cdr.Play = FALSE; \ | |
267 | cdr.FastForward = 0; \ | |
268 | cdr.FastBackward = 0; \ | |
269 | } | |
270 | ||
271 | #define SetPlaySeekRead(x, f) { \ | |
272 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
273 | x |= f; \ | |
ef79bbde P |
274 | } |
275 | ||
276 | #define SetResultSize(size) { \ | |
94c118c3 | 277 | cdr.ResultP = 0; \ |
ef79bbde P |
278 | cdr.ResultC = size; \ |
279 | cdr.ResultReady = 1; \ | |
280 | } | |
281 | ||
af93c8be | 282 | static void setIrq(int log_cmd) |
94c118c3 | 283 | { |
284 | if (cdr.Stat & cdr.Reg2) | |
285 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
af93c8be | 286 | |
287 | #ifdef CDR_LOG_CMD_IRQ | |
7f2576b2 | 288 | if (cdr.Stat) |
af93c8be | 289 | { |
290 | int i; | |
10b9bf1e | 291 | CDR_LOG_I("CDR IRQ=%d cmd %02x stat %02x: ", |
292 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
af93c8be | 293 | for (i = 0; i < cdr.ResultC; i++) |
294 | SysPrintf("%02x ", cdr.Result[i]); | |
295 | SysPrintf("\n"); | |
296 | } | |
297 | #endif | |
94c118c3 | 298 | } |
9f8b032d | 299 | |
80f91a20 | 300 | // timing used in this function was taken from tests on real hardware |
301 | // (yes it's slow, but you probably don't want to modify it) | |
d9a02493 | 302 | void cdrLidSeekInterrupt(void) |
9f8b032d | 303 | { |
10b9bf1e | 304 | CDR_LOG_I("%s cdr.DriveState=%d\n", __func__, cdr.DriveState); |
871bedc6 | 305 | |
80f91a20 | 306 | switch (cdr.DriveState) { |
307 | default: | |
308 | case DRIVESTATE_STANDBY: | |
f522e63c | 309 | StopCdda(); |
4a6b26b8 | 310 | //StopReading(); |
f522e63c | 311 | SetPlaySeekRead(cdr.StatP, 0); |
9f8b032d | 312 | |
80f91a20 | 313 | if (CDR_getStatus(&stat) == -1) |
314 | return; | |
9f8b032d | 315 | |
80f91a20 | 316 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 317 | { |
4d311cb7 | 318 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 319 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
9a0a61d2 | 320 | set_event(PSXINT_CDRLID, 0x800); |
80f91a20 | 321 | } |
322 | break; | |
9f8b032d | 323 | |
80f91a20 | 324 | case DRIVESTATE_LID_OPEN: |
325 | if (CDR_getStatus(&stat) == -1) | |
326 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 327 | |
80f91a20 | 328 | // 02, 12, 10 |
329 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
4a6b26b8 | 330 | SetPlaySeekRead(cdr.StatP, 0); |
80f91a20 | 331 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 332 | |
4a6b26b8 | 333 | // IIRC this sometimes doesn't happen on real hw |
334 | // (when lots of commands are sent?) | |
335 | if (cdr.Reading) { | |
336 | StopReading(); | |
337 | SetResultSize(2); | |
338 | cdr.Result[0] = cdr.StatP | STATUS_SEEKERROR; | |
339 | cdr.Result[1] = ERROR_SHELLOPEN; | |
340 | cdr.Stat = DiskError; | |
341 | setIrq(0x1006); | |
342 | } | |
343 | if (cdr.CmdInProgress) { | |
344 | psxRegs.interrupt &= ~(1 << PSXINT_CDR); | |
345 | cdr.CmdInProgress = 0; | |
346 | SetResultSize(2); | |
347 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
348 | cdr.Result[1] = ERROR_NOTREADY; | |
349 | cdr.Stat = DiskError; | |
350 | setIrq(0x1007); | |
351 | } | |
9f8b032d | 352 | |
9a0a61d2 | 353 | set_event(PSXINT_CDRLID, cdReadTime * 30); |
80f91a20 | 354 | break; |
9f8b032d | 355 | } |
80f91a20 | 356 | else if (cdr.StatP & STATUS_ROTATING) { |
357 | cdr.StatP &= ~STATUS_ROTATING; | |
358 | } | |
359 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
360 | // closed now | |
361 | CheckCdrom(); | |
9f8b032d | 362 | |
80f91a20 | 363 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
364 | // and is only cleared by CdlNop | |
9f8b032d | 365 | |
80f91a20 | 366 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
9a0a61d2 | 367 | set_event(PSXINT_CDRLID, cdReadTime * 105); |
80f91a20 | 368 | break; |
369 | } | |
9f8b032d | 370 | |
80f91a20 | 371 | // recheck for close |
9a0a61d2 | 372 | set_event(PSXINT_CDRLID, cdReadTime * 3); |
80f91a20 | 373 | break; |
9f8b032d | 374 | |
80f91a20 | 375 | case DRIVESTATE_RESCAN_CD: |
376 | cdr.StatP |= STATUS_ROTATING; | |
377 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 378 | |
80f91a20 | 379 | // this is very long on real hardware, over 6 seconds |
380 | // make it a bit faster here... | |
9a0a61d2 | 381 | set_event(PSXINT_CDRLID, cdReadTime * 150); |
80f91a20 | 382 | break; |
9f8b032d | 383 | |
80f91a20 | 384 | case DRIVESTATE_PREPARE_CD: |
871bedc6 | 385 | if (cdr.StatP & STATUS_SEEK) { |
386 | SetPlaySeekRead(cdr.StatP, 0); | |
387 | cdr.DriveState = DRIVESTATE_STANDBY; | |
388 | } | |
389 | else { | |
390 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
9a0a61d2 | 391 | set_event(PSXINT_CDRLID, cdReadTime * 26); |
871bedc6 | 392 | } |
80f91a20 | 393 | break; |
9f8b032d | 394 | } |
395 | } | |
396 | ||
fffad32e | 397 | static void Find_CurTrack(const u8 *time) |
398 | { | |
399 | int current, sect; | |
9f8b032d | 400 | |
fffad32e | 401 | current = msf2sec(time); |
9f8b032d | 402 | |
fffad32e | 403 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
404 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
405 | sect = fsm2sec(cdr.ResultTD); | |
406 | if (sect - current >= 150) | |
9f8b032d | 407 | break; |
9f8b032d | 408 | } |
409 | } | |
410 | ||
73b29eeb | 411 | static void generate_subq(const u8 *time) |
412 | { | |
413 | unsigned char start[3], next[3]; | |
414 | unsigned int this_s, start_s, next_s, pregap; | |
415 | int relative_s; | |
416 | ||
417 | CDR_getTD(cdr.CurTrack, start); | |
418 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
419 | pregap = 150; | |
420 | CDR_getTD(cdr.CurTrack + 1, next); | |
421 | } | |
422 | else { | |
423 | // last track - cd size | |
424 | pregap = 0; | |
425 | next[0] = cdr.SetSectorEnd[2]; | |
426 | next[1] = cdr.SetSectorEnd[1]; | |
427 | next[2] = cdr.SetSectorEnd[0]; | |
428 | } | |
429 | ||
430 | this_s = msf2sec(time); | |
431 | start_s = fsm2sec(start); | |
432 | next_s = fsm2sec(next); | |
433 | ||
434 | cdr.TrackChanged = FALSE; | |
435 | ||
436 | if (next_s - this_s < pregap) { | |
437 | cdr.TrackChanged = TRUE; | |
438 | cdr.CurTrack++; | |
439 | start_s = next_s; | |
440 | } | |
441 | ||
442 | cdr.subq.Index = 1; | |
443 | ||
444 | relative_s = this_s - start_s; | |
445 | if (relative_s < 0) { | |
446 | cdr.subq.Index = 0; | |
447 | relative_s = -relative_s; | |
448 | } | |
449 | sec2msf(relative_s, cdr.subq.Relative); | |
450 | ||
451 | cdr.subq.Track = itob(cdr.CurTrack); | |
452 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
453 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
454 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
455 | cdr.subq.Absolute[0] = itob(time[0]); | |
456 | cdr.subq.Absolute[1] = itob(time[1]); | |
457 | cdr.subq.Absolute[2] = itob(time[2]); | |
458 | } | |
459 | ||
752c1c85 | 460 | static int ReadTrack(const u8 *time) |
461 | { | |
fffad32e | 462 | unsigned char tmp[3]; |
70c1043e | 463 | int read_ok; |
ef79bbde | 464 | |
fffad32e | 465 | tmp[0] = itob(time[0]); |
466 | tmp[1] = itob(time[1]); | |
467 | tmp[2] = itob(time[2]); | |
ef79bbde | 468 | |
6ca445e2 | 469 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
470 | ||
fffad32e | 471 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
70c1043e | 472 | return 1; |
39df67df | 473 | |
70c1043e | 474 | read_ok = CDR_readTrack(tmp); |
e0f25b64 | 475 | if (read_ok) |
476 | memcpy(cdr.Prev, tmp, 3); | |
752c1c85 | 477 | return read_ok; |
478 | } | |
479 | ||
480 | static void UpdateSubq(const u8 *time) | |
481 | { | |
482 | const struct SubQ *subq; | |
f3746eea | 483 | int s = MSF2SECT(time[0], time[1], time[2]); |
752c1c85 | 484 | u16 crc; |
9f8b032d | 485 | |
f3746eea | 486 | if (CheckSBI(s)) |
752c1c85 | 487 | return; |
9f8b032d | 488 | |
f3746eea | 489 | subq = (struct SubQ *)CDR_getBufferSub(s); |
73b29eeb | 490 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 491 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 492 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 493 | cdr.subq.Track = subq->TrackNumber; |
494 | cdr.subq.Index = subq->IndexNumber; | |
495 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
496 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 497 | } |
92ca1ba6 | 498 | else { |
752c1c85 | 499 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
500 | time[0], time[1], time[2]); | |
92ca1ba6 | 501 | } |
9f8b032d | 502 | } |
fffad32e | 503 | else { |
73b29eeb | 504 | generate_subq(time); |
9f8b032d | 505 | } |
9f8b032d | 506 | |
fffad32e | 507 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
508 | cdr.subq.Track, cdr.subq.Index, | |
509 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
510 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
511 | } | |
9f8b032d | 512 | |
7f457614 | 513 | static void cdrPlayInterrupt_Autopause() |
514 | { | |
bf4df3ba | 515 | u32 abs_lev_max = 0; |
516 | boolean abs_lev_chselect; | |
517 | u32 i; | |
f4627eb3 | 518 | |
fffad32e | 519 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
9930d23d | 520 | CDR_LOG_I("autopause\n"); |
7f457614 | 521 | |
9930d23d | 522 | SetResultSize(1); |
523 | cdr.Result[0] = cdr.StatP; | |
7f457614 | 524 | cdr.Stat = DataEnd; |
8aeb66dc | 525 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 526 | |
527 | StopCdda(); | |
f522e63c | 528 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 529 | } |
a6e03490 | 530 | else if ((cdr.Mode & MODE_REPORT) && !cdr.ReportDelay && |
531 | ((cdr.subq.Absolute[2] & 0x0f) == 0 || cdr.FastForward || cdr.FastBackward)) | |
532 | { | |
9930d23d | 533 | SetResultSize(8); |
fffad32e | 534 | cdr.Result[0] = cdr.StatP; |
535 | cdr.Result[1] = cdr.subq.Track; | |
536 | cdr.Result[2] = cdr.subq.Index; | |
bf4df3ba | 537 | |
538 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
539 | ||
540 | /* 8 is a hack. For accuracy, it should be 588. */ | |
541 | for (i = 0; i < 8; i++) | |
542 | { | |
543 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
544 | } | |
545 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
546 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 547 | |
fffad32e | 548 | if (cdr.subq.Absolute[2] & 0x10) { |
549 | cdr.Result[3] = cdr.subq.Relative[0]; | |
550 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
551 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 552 | } |
fffad32e | 553 | else { |
554 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
555 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
556 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
557 | } | |
bf4df3ba | 558 | cdr.Result[6] = abs_lev_max >> 0; |
559 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 560 | |
7f457614 | 561 | cdr.Stat = DataReady; |
8aeb66dc | 562 | setIrq(0x1001); |
7f457614 | 563 | } |
a6e03490 | 564 | |
565 | if (cdr.ReportDelay) | |
566 | cdr.ReportDelay--; | |
7f457614 | 567 | } |
568 | ||
f522e63c | 569 | static int cdrSeekTime(unsigned char *target) |
570 | { | |
415213c9 | 571 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
e7606d0e | 572 | int seekTime = abs(diff) * (cdReadTime / 2000); |
6ca445e2 | 573 | int cyclesSinceRS = psxRegs.cycle - cdr.LastReadSeekCycles; |
4b4164bb | 574 | seekTime = MAX_VALUE(seekTime, 20000); |
575 | ||
576 | // need this stupidly long penalty or else Spyro2 intro desyncs | |
6ca445e2 | 577 | // note: if misapplied this breaks MGS cutscenes among other things |
578 | if (cyclesSinceRS > cdReadTime * 50) | |
e7606d0e | 579 | seekTime += cdReadTime * 25; |
6ca445e2 | 580 | // Transformers Beast Wars Transmetals does Setloc(x),SeekL,Setloc(x),ReadN |
581 | // and then wants some slack time | |
582 | else if (cyclesSinceRS < cdReadTime *3/2) | |
583 | seekTime += cdReadTime; | |
4b4164bb | 584 | |
585 | seekTime = MIN_VALUE(seekTime, PSXCLK * 2 / 3); | |
6ca445e2 | 586 | CDR_LOG("seek: %.2f %.2f (%.2f)\n", (float)seekTime / PSXCLK, |
587 | (float)seekTime / cdReadTime, (float)cyclesSinceRS / cdReadTime); | |
f522e63c | 588 | return seekTime; |
589 | } | |
590 | ||
4134c627 | 591 | static u32 cdrAlignTimingHack(u32 cycles) |
592 | { | |
593 | /* | |
594 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
595 | * The game has a bug where it issues some cdc commands from a low priority | |
596 | * vint handler, however there is a higher priority default bios handler | |
597 | * that acks the vint irq and returns, so game's handler is not reached | |
598 | * (see bios irq handler chains at e004 and the game's irq handling func | |
599 | * at 80036810). For the game to work, vint has to arrive after the bios | |
600 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
601 | * active), but before the game's handler loop reads I_STAT. The time | |
602 | * window for this is quite small (~1k cycles of so). Apparently this | |
603 | * somehow happens naturally on the real hardware. | |
688bdb95 | 604 | * |
605 | * Note: always enforcing this breaks other games like Crash PAL version | |
606 | * (inputs get dropped because bios handler doesn't see interrupts). | |
4134c627 | 607 | */ |
688bdb95 | 608 | u32 vint_rel; |
609 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
610 | return cycles; | |
611 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
4134c627 | 612 | vint_rel += PSXCLK / 60; |
613 | while ((s32)(vint_rel - cycles) < 0) | |
614 | vint_rel += PSXCLK / 60; | |
615 | return vint_rel; | |
616 | } | |
617 | ||
38e03f0a | 618 | static void cdrUpdateTransferBuf(const u8 *buf); |
d9a02493 | 619 | static void cdrReadInterrupt(void); |
4ad17db3 | 620 | static void cdrPrepCdda(s16 *buf, int samples); |
621 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
d9a02493 | 622 | |
752c1c85 | 623 | static void msfiAdd(u8 *msfi, u32 count) |
624 | { | |
625 | assert(count < 75); | |
626 | msfi[2] += count; | |
627 | if (msfi[2] >= 75) { | |
628 | msfi[2] -= 75; | |
629 | msfi[1]++; | |
630 | if (msfi[1] == 60) { | |
631 | msfi[1] = 0; | |
632 | msfi[0]++; | |
633 | } | |
634 | } | |
635 | } | |
636 | ||
b9a092f5 | 637 | static void msfiSub(u8 *msfi, u32 count) |
638 | { | |
639 | assert(count < 75); | |
640 | msfi[2] -= count; | |
641 | if ((s8)msfi[2] < 0) { | |
642 | msfi[2] += 75; | |
643 | msfi[1]--; | |
644 | if ((s8)msfi[1] < 0) { | |
645 | msfi[1] = 60; | |
646 | msfi[0]--; | |
647 | } | |
648 | } | |
649 | } | |
650 | ||
480e570b | 651 | void cdrPlayReadInterrupt(void) |
7f457614 | 652 | { |
e7606d0e | 653 | cdr.LastReadSeekCycles = psxRegs.cycle; |
4b4164bb | 654 | |
d9a02493 | 655 | if (cdr.Reading) { |
656 | cdrReadInterrupt(); | |
657 | return; | |
658 | } | |
659 | ||
39df67df | 660 | if (!cdr.Play) return; |
7f457614 | 661 | |
9930d23d | 662 | CDR_LOG("CDDA - %02d:%02d:%02d m %02x\n", |
663 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], cdr.Mode); | |
8b380e97 | 664 | |
d9a02493 | 665 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 666 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
9930d23d | 667 | CDR_LOG_I("end stop\n"); |
fffad32e | 668 | StopCdda(); |
f522e63c | 669 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 670 | cdr.TrackChanged = TRUE; |
671 | } | |
ffd2bcfa | 672 | else { |
673 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
674 | } | |
7f457614 | 675 | |
7f2576b2 | 676 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 677 | cdrPlayInterrupt_Autopause(); |
678 | ||
4a6b26b8 | 679 | if (!cdr.Muted && cdr.Play && !Config.Cdda) { |
4ad17db3 | 680 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
ecd502e1 | 681 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
9cf79034 | 682 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
683 | cdr.FirstSector = 0; | |
f4627eb3 | 684 | } |
fffad32e | 685 | |
752c1c85 | 686 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 687 | |
fffad32e | 688 | // update for CdlGetlocP/autopause |
73b29eeb | 689 | generate_subq(cdr.SetSectorPlay); |
f5450cfb | 690 | |
480e570b | 691 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 692 | } |
693 | ||
8aeb66dc | 694 | #define CMD_PART2 0x100 |
695 | #define CMD_WHILE_NOT_READY 0x200 | |
696 | ||
d9a02493 | 697 | void cdrInterrupt(void) { |
e4268a49 | 698 | int start_rotating = 0; |
699 | int error = 0; | |
4134c627 | 700 | u32 cycles, seekTime = 0; |
7f2576b2 | 701 | u32 second_resp_time = 0; |
70c1043e | 702 | const void *buf; |
7f2576b2 | 703 | u8 ParamC; |
2da09dae | 704 | u8 set_loc[3]; |
70c1043e | 705 | int read_ok; |
8aeb66dc | 706 | u16 not_ready = 0; |
7f2576b2 | 707 | u16 Cmd; |
2da09dae | 708 | int i; |
ef79bbde P |
709 | |
710 | if (cdr.Stat) { | |
10b9bf1e | 711 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
712 | cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
713 | return; |
714 | } | |
38e03f0a | 715 | if (cdr.Irq1Pending) { |
716 | // hand out the "newest" sector, according to nocash | |
717 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
10b9bf1e | 718 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
719 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
720 | cdr.CmdInProgress, cdr.Irq1Pending); | |
38e03f0a | 721 | SetResultSize(1); |
722 | cdr.Result[0] = cdr.Irq1Pending; | |
723 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
724 | cdr.Irq1Pending = 0; | |
8aeb66dc | 725 | setIrq(0x1003); |
38e03f0a | 726 | return; |
727 | } | |
ef79bbde | 728 | |
e4268a49 | 729 | // default response |
730 | SetResultSize(1); | |
731 | cdr.Result[0] = cdr.StatP; | |
732 | cdr.Stat = Acknowledge; | |
733 | ||
7f2576b2 | 734 | Cmd = cdr.CmdInProgress; |
735 | cdr.CmdInProgress = 0; | |
736 | ParamC = cdr.ParamC; | |
e4268a49 | 737 | |
7f2576b2 | 738 | if (Cmd < 0x100) { |
8aeb66dc | 739 | cdr.Ctrl &= ~0x80; |
7f2576b2 | 740 | cdr.ParamC = 0; |
8aeb66dc | 741 | cdr.Cmd = 0; |
742 | } | |
743 | ||
744 | switch (cdr.DriveState) { | |
871bedc6 | 745 | case DRIVESTATE_PREPARE_CD: |
746 | if (Cmd > 2) { | |
747 | // Syphon filter 2 expects commands to work shortly after it sees | |
748 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
749 | cdr.DriveState = DRIVESTATE_STANDBY; | |
750 | cdr.StatP &= ~STATUS_SEEK; | |
751 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
752 | break; | |
753 | } | |
754 | // fallthrough | |
8aeb66dc | 755 | case DRIVESTATE_LID_OPEN: |
756 | case DRIVESTATE_RESCAN_CD: | |
8aeb66dc | 757 | // no disk or busy with the initial scan, allowed cmds are limited |
758 | not_ready = CMD_WHILE_NOT_READY; | |
759 | break; | |
7f2576b2 | 760 | } |
e4268a49 | 761 | |
8aeb66dc | 762 | switch (Cmd | not_ready) { |
ef79bbde | 763 | case CdlNop: |
8aeb66dc | 764 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 765 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
766 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
767 | break; |
768 | ||
769 | case CdlSetloc: | |
4a6b26b8 | 770 | // case CdlSetloc + CMD_WHILE_NOT_READY: // or is it? |
2da09dae | 771 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
772 | ||
773 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
774 | 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)) | |
775 | { | |
ececcc61 | 776 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
4f38d1f8 | 777 | if (++cdr.errorRetryhack > 100) |
778 | break; | |
2da09dae | 779 | error = ERROR_INVALIDARG; |
780 | goto set_error; | |
781 | } | |
782 | else | |
783 | { | |
784 | for (i = 0; i < 3; i++) | |
2da09dae | 785 | set_loc[i] = btoi(cdr.Param[i]); |
2da09dae | 786 | memcpy(cdr.SetSector, set_loc, 3); |
787 | cdr.SetSector[3] = 0; | |
788 | cdr.SetlocPending = 1; | |
4f38d1f8 | 789 | cdr.errorRetryhack = 0; |
2da09dae | 790 | } |
ef79bbde P |
791 | break; |
792 | ||
55b8460a | 793 | do_CdlPlay: |
ef79bbde | 794 | case CdlPlay: |
030bd76a | 795 | StopCdda(); |
f522e63c | 796 | StopReading(); |
797 | ||
c9c7a925 | 798 | cdr.FastBackward = 0; |
799 | cdr.FastForward = 0; | |
800 | ||
2d5ca6c0 | 801 | // BIOS CD Player |
802 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
803 | ||
7f2576b2 | 804 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 805 | int track = btoi( cdr.Param[0] ); |
806 | ||
807 | if (track <= cdr.ResultTN[1]) | |
808 | cdr.CurTrack = track; | |
809 | ||
810 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
811 | ||
812 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
f522e63c | 813 | for (i = 0; i < 3; i++) |
814 | set_loc[i] = cdr.ResultTD[2 - i]; | |
815 | seekTime = cdrSeekTime(set_loc); | |
816 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 817 | } |
818 | } | |
f522e63c | 819 | else if (cdr.SetlocPending) { |
820 | seekTime = cdrSeekTime(cdr.SetSector); | |
821 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
822 | } | |
823 | else { | |
824 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
825 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
826 | } | |
827 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 828 | |
9f8b032d | 829 | /* |
830 | Rayman: detect track changes | |
831 | - fixes logo freeze | |
832 | ||
833 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
834 | - plays tracks without retry play | |
835 | ||
836 | Wild 9: skip PREGAP + starting accurate SubQ | |
837 | - plays tracks without retry play | |
838 | */ | |
fffad32e | 839 | Find_CurTrack(cdr.SetSectorPlay); |
752c1c85 | 840 | generate_subq(cdr.SetSectorPlay); |
70c1043e | 841 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 842 | cdr.SubqForwardSectors = 1; |
fffad32e | 843 | cdr.TrackChanged = FALSE; |
9cf79034 | 844 | cdr.FirstSector = 1; |
a6e03490 | 845 | cdr.ReportDelay = 60; |
b9a092f5 | 846 | cdr.sectorsRead = 0; |
9f8b032d | 847 | |
2d5ca6c0 | 848 | if (!Config.Cdda) |
849 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 850 | |
f522e63c | 851 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 852 | |
853 | // BIOS player - set flag again | |
854 | cdr.Play = TRUE; | |
855 | ||
480e570b | 856 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 857 | start_rotating = 1; |
ef79bbde P |
858 | break; |
859 | ||
9f8b032d | 860 | case CdlForward: |
e4268a49 | 861 | // TODO: error 80 if stopped |
9f8b032d | 862 | cdr.Stat = Complete; |
863 | ||
9f8b032d | 864 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 865 | cdr.FastForward = 1; |
9f8b032d | 866 | cdr.FastBackward = 0; |
ef79bbde P |
867 | break; |
868 | ||
9f8b032d | 869 | case CdlBackward: |
9f8b032d | 870 | cdr.Stat = Complete; |
871 | ||
9f8b032d | 872 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 873 | cdr.FastBackward = 1; |
9f8b032d | 874 | cdr.FastForward = 0; |
ef79bbde P |
875 | break; |
876 | ||
9f8b032d | 877 | case CdlStandby: |
e4268a49 | 878 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
879 | error = ERROR_INVALIDARG; | |
880 | goto set_error; | |
881 | } | |
7f2576b2 | 882 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 883 | start_rotating = 1; |
884 | break; | |
885 | ||
8aeb66dc | 886 | case CdlStandby + CMD_PART2: |
ef79bbde P |
887 | cdr.Stat = Complete; |
888 | break; | |
889 | ||
890 | case CdlStop: | |
030bd76a | 891 | if (cdr.Play) { |
892 | // grab time for current track | |
893 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
894 | ||
895 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
896 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
897 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
898 | } | |
899 | ||
900 | StopCdda(); | |
901 | StopReading(); | |
f522e63c | 902 | SetPlaySeekRead(cdr.StatP, 0); |
903 | cdr.StatP &= ~STATUS_ROTATING; | |
70c1043e | 904 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 905 | |
7f2576b2 | 906 | second_resp_time = 0x800; |
e4268a49 | 907 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
7f2576b2 | 908 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 909 | |
910 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 911 | break; |
912 | ||
8aeb66dc | 913 | case CdlStop + CMD_PART2: |
ef79bbde | 914 | cdr.Stat = Complete; |
ef79bbde P |
915 | break; |
916 | ||
917 | case CdlPause: | |
f522e63c | 918 | StopCdda(); |
919 | StopReading(); | |
b9a092f5 | 920 | |
921 | // how the drive maintains the position while paused is quite | |
922 | // complicated, this is the minimum to make "Bedlam" happy | |
923 | msfiSub(cdr.SetSectorPlay, MIN_VALUE(cdr.sectorsRead, 4)); | |
924 | cdr.sectorsRead = 0; | |
925 | ||
12228917 | 926 | /* |
927 | Gundam Battle Assault 2: much slower (*) | |
928 | - Fixes boot, gameplay | |
929 | ||
930 | Hokuto no Ken 2: slower | |
931 | - Fixes intro + subtitles | |
932 | ||
933 | InuYasha - Feudal Fairy Tale: slower | |
934 | - Fixes battles | |
935 | */ | |
4e70ea5a | 936 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
937 | * The timings from Duckstation are based upon hardware tests. | |
938 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
939 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
940 | * */ | |
f522e63c | 941 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
e3d555e0 | 942 | { |
7f2576b2 | 943 | second_resp_time = 7000; |
e3d555e0 | 944 | } |
945 | else | |
946 | { | |
4b4164bb | 947 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 1 : 2) * 1097107); |
e3d555e0 | 948 | } |
f522e63c | 949 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
950 | break; |
951 | ||
8aeb66dc | 952 | case CdlPause + CMD_PART2: |
9f8b032d | 953 | cdr.Stat = Complete; |
ef79bbde P |
954 | break; |
955 | ||
b0bd140d | 956 | case CdlReset: |
8aeb66dc | 957 | case CdlReset + CMD_WHILE_NOT_READY: |
f522e63c | 958 | StopCdda(); |
959 | StopReading(); | |
960 | SetPlaySeekRead(cdr.StatP, 0); | |
70c1043e | 961 | cdr.LocL[0] = LOCL_INVALID; |
b0bd140d | 962 | cdr.Muted = FALSE; |
509ebde4 | 963 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
8aeb66dc | 964 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 965 | start_rotating = 1; |
966 | break; | |
967 | ||
8aeb66dc | 968 | case CdlReset + CMD_PART2: |
969 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 970 | cdr.Stat = Complete; |
ef79bbde P |
971 | break; |
972 | ||
9f8b032d | 973 | case CdlMute: |
030bd76a | 974 | cdr.Muted = TRUE; |
ef79bbde P |
975 | break; |
976 | ||
9f8b032d | 977 | case CdlDemute: |
030bd76a | 978 | cdr.Muted = FALSE; |
ef79bbde P |
979 | break; |
980 | ||
9f8b032d | 981 | case CdlSetfilter: |
030bd76a | 982 | cdr.File = cdr.Param[0]; |
983 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 984 | break; |
ef79bbde P |
985 | |
986 | case CdlSetmode: | |
8aeb66dc | 987 | case CdlSetmode + CMD_WHILE_NOT_READY: |
7f2576b2 | 988 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
989 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 990 | break; |
ef79bbde | 991 | |
dcd72441 | 992 | case CdlGetparam: |
8aeb66dc | 993 | case CdlGetparam + CMD_WHILE_NOT_READY: |
dcd72441 | 994 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
995 | SetResultSize(5); | |
9f8b032d | 996 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 997 | cdr.Result[2] = 0; |
998 | cdr.Result[3] = cdr.File; | |
999 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 1000 | break; |
ef79bbde | 1001 | |
9f8b032d | 1002 | case CdlGetlocL: |
70c1043e | 1003 | if (cdr.LocL[0] == LOCL_INVALID) { |
1004 | error = 0x80; | |
1005 | goto set_error; | |
1006 | } | |
ef79bbde | 1007 | SetResultSize(8); |
70c1043e | 1008 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 1009 | break; |
ef79bbde P |
1010 | |
1011 | case CdlGetlocP: | |
fffad32e | 1012 | SetResultSize(8); |
1013 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 1014 | break; |
892bd7d4 | 1015 | |
e4268a49 | 1016 | case CdlReadT: // SetSession? |
1017 | // really long | |
7f2576b2 | 1018 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 1019 | start_rotating = 1; |
1020 | break; | |
1021 | ||
8aeb66dc | 1022 | case CdlReadT + CMD_PART2: |
e4268a49 | 1023 | cdr.Stat = Complete; |
ef79bbde P |
1024 | break; |
1025 | ||
9f8b032d | 1026 | case CdlGetTN: |
ef79bbde | 1027 | SetResultSize(3); |
9f8b032d | 1028 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 1029 | cdr.Stat = DiskError; |
9f8b032d | 1030 | cdr.Result[0] |= STATUS_ERROR; |
1031 | } else { | |
1032 | cdr.Stat = Acknowledge; | |
1033 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1034 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
1035 | } | |
1036 | break; | |
ef79bbde | 1037 | |
9f8b032d | 1038 | case CdlGetTD: |
ef79bbde P |
1039 | cdr.Track = btoi(cdr.Param[0]); |
1040 | SetResultSize(4); | |
ef79bbde P |
1041 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
1042 | cdr.Stat = DiskError; | |
9f8b032d | 1043 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1044 | } else { |
1045 | cdr.Stat = Acknowledge; | |
1046 | cdr.Result[0] = cdr.StatP; | |
1047 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1048 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
cfeb7cab | 1049 | /* According to Nocash's documentation, the function doesn't care about ff. |
1050 | * This can be seen also in Mednafen's implementation. */ | |
1051 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1052 | } |
1053 | break; | |
1054 | ||
9f8b032d | 1055 | case CdlSeekL: |
39df67df | 1056 | case CdlSeekP: |
030bd76a | 1057 | StopCdda(); |
1058 | StopReading(); | |
480e570b | 1059 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1060 | |
f522e63c | 1061 | seekTime = cdrSeekTime(cdr.SetSector); |
1062 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1063 | /* |
1064 | Crusaders of Might and Magic = 0.5x-4x | |
1065 | - fix cutscene speech start | |
1066 | ||
1067 | Eggs of Steel = 2x-? | |
1068 | - fix new game | |
1069 | ||
1070 | Medievil = ?-4x | |
1071 | - fix cutscene speech | |
1072 | ||
1073 | Rockman X5 = 0.5-4x | |
1074 | - fix capcom logo | |
1075 | */ | |
480e570b | 1076 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1077 | start_rotating = 1; |
ef79bbde P |
1078 | break; |
1079 | ||
480e570b | 1080 | case CdlSeekL + CMD_PART2: |
1081 | case CdlSeekP + CMD_PART2: | |
1082 | SetPlaySeekRead(cdr.StatP, 0); | |
ca1683d0 | 1083 | cdr.Result[0] = cdr.StatP; |
480e570b | 1084 | cdr.Stat = Complete; |
1085 | ||
1086 | Find_CurTrack(cdr.SetSectorPlay); | |
70c1043e | 1087 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1088 | if (read_ok && (buf = CDR_getBuffer())) | |
1089 | memcpy(cdr.LocL, buf, 8); | |
752c1c85 | 1090 | UpdateSubq(cdr.SetSectorPlay); |
480e570b | 1091 | cdr.TrackChanged = FALSE; |
e7606d0e | 1092 | cdr.LastReadSeekCycles = psxRegs.cycle; |
480e570b | 1093 | break; |
1094 | ||
ef79bbde | 1095 | case CdlTest: |
8aeb66dc | 1096 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1097 | switch (cdr.Param[0]) { |
1098 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1099 | SetResultSize(4); |
1100 | memcpy(cdr.Result, Test20, 4); | |
1101 | break; | |
1102 | case 0x22: | |
1103 | SetResultSize(8); | |
1104 | memcpy(cdr.Result, Test22, 4); | |
1105 | break; | |
1106 | case 0x23: case 0x24: | |
1107 | SetResultSize(8); | |
1108 | memcpy(cdr.Result, Test23, 4); | |
1109 | break; | |
9f8b032d | 1110 | } |
ef79bbde P |
1111 | break; |
1112 | ||
9f8b032d | 1113 | case CdlID: |
7f2576b2 | 1114 | second_resp_time = 20480; |
ef79bbde P |
1115 | break; |
1116 | ||
8aeb66dc | 1117 | case CdlID + CMD_PART2: |
ef79bbde | 1118 | SetResultSize(8); |
89ec56af | 1119 | cdr.Result[0] = cdr.StatP; |
1120 | cdr.Result[1] = 0; | |
1121 | cdr.Result[2] = 0; | |
1122 | cdr.Result[3] = 0; | |
9f8b032d | 1123 | |
d8432250 | 1124 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1125 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1126 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1127 | } |
1128 | else { | |
89ec56af | 1129 | if (stat.Type == 2) |
1130 | cdr.Result[1] |= 0x10; | |
1131 | if (CdromId[0] == '\0') | |
9f8b032d | 1132 | cdr.Result[1] |= 0x80; |
9f8b032d | 1133 | } |
89ec56af | 1134 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
2f59faba | 1135 | CDR_LOG_I("CdlID: %02x %02x %02x %02x\n", cdr.Result[0], |
1136 | cdr.Result[1], cdr.Result[2], cdr.Result[3]); | |
9f8b032d | 1137 | |
d0ea0d8a | 1138 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1139 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1140 | cdr.Stat = Complete; |
1141 | break; | |
1142 | ||
b0bd140d | 1143 | case CdlInit: |
8aeb66dc | 1144 | case CdlInit + CMD_WHILE_NOT_READY: |
f522e63c | 1145 | StopCdda(); |
1146 | StopReading(); | |
1147 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1148 | // yes, it really sets STATUS_SHELLOPEN |
1149 | cdr.StatP |= STATUS_SHELLOPEN; | |
1150 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
9a0a61d2 | 1151 | set_event(PSXINT_CDRLID, 20480); |
e4268a49 | 1152 | start_rotating = 1; |
9f8b032d | 1153 | break; |
1154 | ||
e4268a49 | 1155 | case CdlGetQ: |
8aeb66dc | 1156 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1157 | break; |
1158 | ||
1159 | case CdlReadToc: | |
8aeb66dc | 1160 | case CdlReadToc + CMD_WHILE_NOT_READY: |
70c1043e | 1161 | cdr.LocL[0] = LOCL_INVALID; |
7f2576b2 | 1162 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1163 | start_rotating = 1; |
ef79bbde P |
1164 | break; |
1165 | ||
8aeb66dc | 1166 | case CdlReadToc + CMD_PART2: |
1167 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1168 | cdr.Stat = Complete; |
ef79bbde P |
1169 | break; |
1170 | ||
94c118c3 | 1171 | case CdlReadN: |
1172 | case CdlReadS: | |
ececcc61 | 1173 | if (cdr.Reading && !cdr.SetlocPending) |
1174 | break; | |
1175 | ||
f522e63c | 1176 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1177 | |
1178 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1179 | // Read* acts as play for cdda tracks in cdda mode | |
1180 | goto do_CdlPlay; | |
1181 | ||
f522e63c | 1182 | StopCdda(); |
1183 | if (cdr.SetlocPending) { | |
1184 | seekTime = cdrSeekTime(cdr.SetSector); | |
1185 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1186 | cdr.SetlocPending = 0; | |
1187 | } | |
030bd76a | 1188 | cdr.Reading = 1; |
1189 | cdr.FirstSector = 1; | |
ef79bbde | 1190 | |
9f8b032d | 1191 | // Fighting Force 2 - update subq time immediately |
1192 | // - fixes new game | |
752c1c85 | 1193 | UpdateSubq(cdr.SetSectorPlay); |
70c1043e | 1194 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 1195 | cdr.SubqForwardSectors = 1; |
b9a092f5 | 1196 | cdr.sectorsRead = 0; |
9f8b032d | 1197 | |
509ebde4 | 1198 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
4134c627 | 1199 | cycles += seekTime; |
688bdb95 | 1200 | if (Config.hacks.cdr_read_timing) |
1201 | cycles = cdrAlignTimingHack(cycles); | |
4134c627 | 1202 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1203 | |
f522e63c | 1204 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1205 | start_rotating = 1; |
ef79bbde | 1206 | break; |
70c1043e | 1207 | |
1f035e27 | 1208 | case CdlSync: |
ef79bbde | 1209 | default: |
e4268a49 | 1210 | error = ERROR_INVALIDCMD; |
1211 | // FALLTHROUGH | |
1212 | ||
1213 | set_error: | |
1214 | SetResultSize(2); | |
1215 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
8aeb66dc | 1216 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1217 | cdr.Stat = DiskError; |
6ca445e2 | 1218 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, cdr.Result[1]); |
ef79bbde P |
1219 | break; |
1220 | } | |
1221 | ||
e4268a49 | 1222 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1223 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1224 | cdr.StatP |= STATUS_ROTATING; | |
1225 | } | |
1226 | ||
7f2576b2 | 1227 | if (second_resp_time) { |
1228 | cdr.CmdInProgress = Cmd | 0x100; | |
9a0a61d2 | 1229 | set_event(PSXINT_CDR, second_resp_time); |
7f2576b2 | 1230 | } |
1231 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1232 | cdr.CmdInProgress = cdr.Cmd; | |
10b9bf1e | 1233 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
7f2576b2 | 1234 | } |
1235 | ||
1236 | setIrq(Cmd); | |
ef79bbde P |
1237 | } |
1238 | ||
8f2bb0cb | 1239 | #ifdef HAVE_ARMV7 |
53598a71 | 1240 | #define ssat32_to_16(v) \ |
1241 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1242 | #else | |
1243 | #define ssat32_to_16(v) do { \ | |
1244 | if (v < -32768) v = -32768; \ | |
1245 | else if (v > 32767) v = 32767; \ | |
1246 | } while (0) | |
1247 | #endif | |
1248 | ||
4ad17db3 | 1249 | static void cdrPrepCdda(s16 *buf, int samples) |
1250 | { | |
1251 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1252 | int i; | |
1253 | for (i = 0; i < samples; i++) { | |
1254 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1255 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1256 | } | |
1257 | #endif | |
1258 | } | |
1259 | ||
1260 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1261 | { |
1262 | int i, l, r; | |
1263 | int ll = cdr.AttenuatorLeftToLeft; | |
1264 | int lr = cdr.AttenuatorLeftToRight; | |
1265 | int rl = cdr.AttenuatorRightToLeft; | |
1266 | int rr = cdr.AttenuatorRightToRight; | |
1267 | ||
1268 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1269 | return; | |
1270 | ||
1271 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1272 | return; | |
1273 | ||
1274 | if (stereo) { | |
1275 | for (i = 0; i < samples; i++) { | |
1276 | l = buf[i * 2]; | |
1277 | r = buf[i * 2 + 1]; | |
1278 | l = (l * ll + r * rl) >> 7; | |
1279 | r = (r * rr + l * lr) >> 7; | |
1280 | ssat32_to_16(l); | |
1281 | ssat32_to_16(r); | |
1282 | buf[i * 2] = l; | |
1283 | buf[i * 2 + 1] = r; | |
1284 | } | |
1285 | } | |
1286 | else { | |
1287 | for (i = 0; i < samples; i++) { | |
1288 | l = buf[i]; | |
1289 | l = l * (ll + rl) >> 7; | |
1290 | //r = r * (rr + lr) >> 7; | |
1291 | ssat32_to_16(l); | |
1292 | //ssat32_to_16(r); | |
1293 | buf[i] = l; | |
1294 | } | |
1295 | } | |
1296 | } | |
1297 | ||
f5450cfb | 1298 | static void cdrReadInterruptSetResult(unsigned char result) |
d9a02493 | 1299 | { |
7f2576b2 | 1300 | if (cdr.Stat) { |
10b9bf1e | 1301 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f5450cfb | 1302 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
1303 | cdr.CmdInProgress, cdr.Stat); | |
1304 | cdr.Irq1Pending = result; | |
ef79bbde P |
1305 | return; |
1306 | } | |
ef79bbde | 1307 | SetResultSize(1); |
f5450cfb | 1308 | cdr.Result[0] = result; |
1309 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
8aeb66dc | 1310 | setIrq(0x1004); |
f5450cfb | 1311 | } |
1312 | ||
1313 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1314 | { | |
1315 | if (!buf) | |
1316 | return; | |
1317 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1318 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
b9a092f5 | 1319 | CDR_LOG("cdr.Transfer %02x:%02x:%02x\n", |
1320 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
742a21f2 | 1321 | if (cdr.FifoOffset < 2048 + 12) |
10b9bf1e | 1322 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f5450cfb | 1323 | } |
1324 | ||
1325 | static void cdrReadInterrupt(void) | |
1326 | { | |
1327 | u8 *buf = NULL, *hdr; | |
752c1c85 | 1328 | u8 subqPos[3]; |
70c1043e | 1329 | int read_ok; |
f5450cfb | 1330 | |
752c1c85 | 1331 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1332 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1333 | UpdateSubq(subqPos); | |
1334 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1335 | cdr.SubqForwardSectors++; | |
1336 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1337 | return; | |
1338 | } | |
1339 | ||
7e6d030e | 1340 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1341 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
b9a092f5 | 1342 | cdr.sectorsRead++; |
7e6d030e | 1343 | |
70c1043e | 1344 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1345 | if (read_ok) | |
f5450cfb | 1346 | buf = CDR_getBuffer(); |
ef79bbde | 1347 | if (buf == NULL) |
70c1043e | 1348 | read_ok = 0; |
ef79bbde | 1349 | |
70c1043e | 1350 | if (!read_ok) { |
8b380e97 | 1351 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f5450cfb | 1352 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1353 | return; |
1354 | } | |
70c1043e | 1355 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1356 | |
69dc4e5f | 1357 | if (!cdr.Stat && !cdr.Irq1Pending) |
f5450cfb | 1358 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1359 | |
9f8b032d | 1360 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f5450cfb | 1361 | hdr = buf + 4; |
9f8b032d | 1362 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1363 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f5450cfb | 1364 | cdr.File = hdr[0]; |
1365 | cdr.Channel = hdr[1]; | |
9f8b032d | 1366 | } |
1367 | ||
e73e384c | 1368 | /* Gameblabla |
1369 | * Skips playing on channel 255. | |
1370 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1371 | * TODO : Check if this is the proper behaviour. | |
1372 | * */ | |
f5450cfb | 1373 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1374 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1375 | if (!ret) { |
53598a71 | 1376 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
9cf79034 | 1377 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1378 | cdr.FirstSector = 0; |
1379 | } | |
1380 | else cdr.FirstSector = -1; | |
1381 | } | |
1382 | } | |
1383 | ||
f5450cfb | 1384 | /* |
1385 | Croc 2: $40 - only FORM1 (*) | |
1386 | Judge Dredd: $C8 - only FORM1 (*) | |
1387 | Sim Theme Park - no adpcm at all (zero) | |
1388 | */ | |
1389 | ||
1390 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1391 | cdrReadInterruptSetResult(cdr.StatP); | |
1392 | ||
752c1c85 | 1393 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1394 | |
480e570b | 1395 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f5450cfb | 1396 | } |
9f8b032d | 1397 | |
ef79bbde P |
1398 | /* |
1399 | cdrRead0: | |
94c118c3 | 1400 | bit 0,1 - mode |
ef79bbde P |
1401 | bit 2 - unknown |
1402 | bit 3 - unknown | |
1403 | bit 4 - unknown | |
1404 | bit 5 - 1 result ready | |
1405 | bit 6 - 1 dma ready | |
1406 | bit 7 - 1 command being processed | |
1407 | */ | |
1408 | ||
1409 | unsigned char cdrRead0(void) { | |
1410 | if (cdr.ResultReady) | |
1411 | cdr.Ctrl |= 0x20; | |
1412 | else | |
1413 | cdr.Ctrl &= ~0x20; | |
1414 | ||
7f2576b2 | 1415 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1416 | |
1417 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1418 | cdr.Ctrl |= 0x18; | |
1419 | ||
af93c8be | 1420 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1421 | |
1422 | return psxHu8(0x1800) = cdr.Ctrl; | |
1423 | } | |
1424 | ||
ef79bbde | 1425 | void cdrWrite0(unsigned char rt) { |
af93c8be | 1426 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1427 | |
50b13be9 | 1428 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1429 | } |
1430 | ||
1431 | unsigned char cdrRead1(void) { | |
94c118c3 | 1432 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1433 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1434 | else |
ef79bbde | 1435 | psxHu8(0x1801) = 0; |
94c118c3 | 1436 | cdr.ResultP++; |
1437 | if (cdr.ResultP == cdr.ResultC) | |
1438 | cdr.ResultReady = 0; | |
1439 | ||
af93c8be | 1440 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1441 | |
ef79bbde P |
1442 | return psxHu8(0x1801); |
1443 | } | |
1444 | ||
1445 | void cdrWrite1(unsigned char rt) { | |
af93c8be | 1446 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1447 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1448 | |
94c118c3 | 1449 | switch (cdr.Ctrl & 3) { |
1450 | case 0: | |
1451 | break; | |
1452 | case 3: | |
53598a71 | 1453 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1454 | return; |
1455 | default: | |
1456 | return; | |
9f8b032d | 1457 | } |
1458 | ||
8b380e97 | 1459 | #ifdef CDR_LOG_CMD_IRQ |
10b9bf1e | 1460 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1461 | if (cdr.ParamC) { |
af93c8be | 1462 | int i; |
ef79bbde P |
1463 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1464 | for (i = 0; i < cdr.ParamC; i++) | |
1465 | SysPrintf(" %x,", cdr.Param[i]); | |
1466 | SysPrintf("}\n"); | |
1467 | } else { | |
1468 | SysPrintf("\n"); | |
1469 | } | |
1470 | #endif | |
1471 | ||
2daaaae3 | 1472 | cdr.ResultReady = 0; |
94c118c3 | 1473 | cdr.Ctrl |= 0x80; |
8b380e97 | 1474 | |
7f2576b2 | 1475 | if (!cdr.CmdInProgress) { |
1476 | cdr.CmdInProgress = rt; | |
1477 | // should be something like 12k + controller delays | |
9a0a61d2 | 1478 | set_event(PSXINT_CDR, 5000); |
9f8b032d | 1479 | } |
7f2576b2 | 1480 | else { |
10b9bf1e | 1481 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1482 | rt, cdr.Cmd, cdr.CmdInProgress); | |
7f2576b2 | 1483 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1484 | cdr.CmdInProgress = rt; | |
1485 | } | |
1486 | ||
1487 | cdr.Cmd = rt; | |
ef79bbde P |
1488 | } |
1489 | ||
1490 | unsigned char cdrRead2(void) { | |
afaac935 | 1491 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1492 | |
742a21f2 | 1493 | if (cdr.FifoOffset < cdr.FifoSize) |
79cd4919 | 1494 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1495 | else | |
10b9bf1e | 1496 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1497 | |
af93c8be | 1498 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1499 | return ret; |
1500 | } | |
1501 | ||
1502 | void cdrWrite2(unsigned char rt) { | |
af93c8be | 1503 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1504 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1505 | |
94c118c3 | 1506 | switch (cdr.Ctrl & 3) { |
1507 | case 0: | |
1508 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1509 | cdr.Param[cdr.ParamC++] = rt; | |
1510 | return; | |
1511 | case 1: | |
1512 | cdr.Reg2 = rt; | |
8aeb66dc | 1513 | setIrq(0x1005); |
94c118c3 | 1514 | return; |
1515 | case 2: | |
53598a71 | 1516 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1517 | return; |
1518 | case 3: | |
53598a71 | 1519 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1520 | return; |
ef79bbde P |
1521 | } |
1522 | } | |
1523 | ||
1524 | unsigned char cdrRead3(void) { | |
94c118c3 | 1525 | if (cdr.Ctrl & 0x1) |
1526 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1527 | else | |
1528 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1529 | |
af93c8be | 1530 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1531 | return psxHu8(0x1803); |
1532 | } | |
1533 | ||
1534 | void cdrWrite3(unsigned char rt) { | |
af93c8be | 1535 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1536 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1537 | |
94c118c3 | 1538 | switch (cdr.Ctrl & 3) { |
1539 | case 0: | |
a34a2445 | 1540 | break; // transfer |
94c118c3 | 1541 | case 1: |
38e03f0a | 1542 | if (cdr.Stat & rt) { |
399f666e | 1543 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1544 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
10b9bf1e | 1545 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
7f2576b2 | 1546 | #ifdef CDR_LOG_CMD_IRQ |
10b9bf1e | 1547 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", cdr.Stat & rt, rt, |
1548 | !!pending, cdr.CmdInProgress, | |
1549 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); | |
7f2576b2 | 1550 | #endif |
399f666e | 1551 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
10b9bf1e | 1552 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
399f666e | 1553 | { |
69dc4e5f | 1554 | s32 c = 2048; |
1555 | if (cdr.CmdInProgress) { | |
1556 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1557 | c = MAX_VALUE(c, 512); | |
1558 | } | |
9a0a61d2 | 1559 | set_event(PSXINT_CDR, c); |
399f666e | 1560 | } |
38e03f0a | 1561 | } |
a34a2445 | 1562 | cdr.Stat &= ~rt; |
1563 | ||
1564 | if (rt & 0x40) | |
1565 | cdr.ParamC = 0; | |
1566 | return; | |
94c118c3 | 1567 | case 2: |
53598a71 | 1568 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1569 | return; |
1570 | case 3: | |
53598a71 | 1571 | if (rt & 0x20) { |
1572 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
7f2576b2 | 1573 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1574 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1575 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1576 | } | |
94c118c3 | 1577 | return; |
9f8b032d | 1578 | } |
056d6759 | 1579 | |
742a21f2 | 1580 | // test: Viewpoint |
1581 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1582 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1583 | } | |
1584 | else if (rt & 0x80) { | |
509ebde4 | 1585 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1586 | case MODE_SIZE_2328: |
ef79bbde | 1587 | case 0x00: |
79cd4919 | 1588 | cdr.FifoOffset = 12; |
742a21f2 | 1589 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1590 | break; |
9f8b032d | 1591 | |
1592 | case MODE_SIZE_2340: | |
ef79bbde | 1593 | default: |
79cd4919 | 1594 | cdr.FifoOffset = 0; |
742a21f2 | 1595 | cdr.FifoSize = 2340; |
ef79bbde P |
1596 | break; |
1597 | } | |
1598 | } | |
742a21f2 | 1599 | else if (!(rt & 0xc0)) |
1600 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1601 | } |
1602 | ||
1603 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
b4d5a91d | 1604 | u32 cdsize, max_words; |
c7071c43 | 1605 | int size; |
ef79bbde P |
1606 | u8 *ptr; |
1607 | ||
10b9bf1e | 1608 | #if 0 |
1609 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1610 | if (cdr.FifoOffset == 0) { | |
1611 | ptr = cdr.Transfer; | |
1612 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1613 | } | |
1614 | SysPrintf("\n"); | |
1615 | #endif | |
ef79bbde | 1616 | |
4f329f16 | 1617 | switch (chcr & 0x71000000) { |
ef79bbde | 1618 | case 0x11000000: |
b4d5a91d | 1619 | ptr = getDmaRam(madr, &max_words); |
7a8d521f | 1620 | if (ptr == INVALID_PTR) { |
79cd4919 | 1621 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1622 | break; |
1623 | } | |
9f8b032d | 1624 | |
79cd4919 | 1625 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1626 | ||
9f8b032d | 1627 | /* |
1628 | GS CDX: Enhancement CD crash | |
1629 | - Setloc 0:0:0 | |
1630 | - CdlPlay | |
1631 | - Spams DMA3 and gets buffer overrun | |
1632 | */ | |
79cd4919 | 1633 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1634 | if (size > cdsize) |
1635 | size = cdsize; | |
b4d5a91d | 1636 | if (size > max_words * 4) |
1637 | size = max_words * 4; | |
c7071c43 | 1638 | if (size > 0) |
9f8b032d | 1639 | { |
79cd4919 | 1640 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1641 | cdr.FifoOffset += size; | |
9f8b032d | 1642 | } |
afaac935 | 1643 | if (size < cdsize) { |
6c9db47c | 1644 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
afaac935 | 1645 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1646 | } | |
1647 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1648 | |
9a0a61d2 | 1649 | set_event(PSXINT_CDRDMA, (cdsize / 4) * 24); |
4f329f16 | 1650 | |
1651 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1652 | if (chcr & 0x100) { | |
58ebb94c | 1653 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
4f329f16 | 1654 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1655 | } |
4f329f16 | 1656 | else { |
fc4803bd | 1657 | // halted |
4f329f16 | 1658 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1659 | } |
1660 | return; | |
1661 | ||
ef79bbde | 1662 | default: |
6c9db47c | 1663 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1664 | break; |
1665 | } | |
1666 | ||
1667 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1668 | DMA_INTERRUPT(3); | |
1669 | } | |
1670 | ||
d9a02493 | 1671 | void cdrDmaInterrupt(void) |
9f8b032d | 1672 | { |
ad418c19 | 1673 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1674 | { | |
1675 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1676 | DMA_INTERRUPT(3); | |
1677 | } | |
9f8b032d | 1678 | } |
1679 | ||
fffad32e | 1680 | static void getCdInfo(void) |
1681 | { | |
1682 | u8 tmp; | |
1683 | ||
1684 | CDR_getTN(cdr.ResultTN); | |
1685 | CDR_getTD(0, cdr.SetSectorEnd); | |
1686 | tmp = cdr.SetSectorEnd[0]; | |
1687 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1688 | cdr.SetSectorEnd[2] = tmp; | |
1689 | } | |
1690 | ||
ef79bbde P |
1691 | void cdrReset() { |
1692 | memset(&cdr, 0, sizeof(cdr)); | |
1693 | cdr.CurTrack = 1; | |
1694 | cdr.File = 1; | |
1695 | cdr.Channel = 1; | |
a2d3ccb8 | 1696 | cdr.Reg2 = 0x1f; |
1697 | cdr.Stat = NoIntr; | |
79cd4919 | 1698 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
02b1a085 | 1699 | |
1700 | CDR_getStatus(&stat); | |
1701 | if (stat.Status & STATUS_SHELLOPEN) { | |
1702 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
1703 | cdr.StatP = STATUS_SHELLOPEN; | |
1704 | } | |
1705 | else if (CdromId[0] == '\0') { | |
871bedc6 | 1706 | cdr.DriveState = DRIVESTATE_STOPPED; |
1707 | cdr.StatP = 0; | |
1708 | } | |
1709 | else { | |
1710 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1711 | cdr.StatP = STATUS_ROTATING; | |
1712 | } | |
c9c7a925 | 1713 | |
056d6759 | 1714 | // BIOS player - default values |
53598a71 | 1715 | cdr.AttenuatorLeftToLeft = 0x80; |
1716 | cdr.AttenuatorLeftToRight = 0x00; | |
1717 | cdr.AttenuatorRightToLeft = 0x00; | |
1718 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1719 | |
1720 | getCdInfo(); | |
ef79bbde P |
1721 | } |
1722 | ||
496d88d4 | 1723 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1724 | u32 tmp; |
fffad32e | 1725 | u8 tmpp[3]; |
ef79bbde | 1726 | |
fffad32e | 1727 | if (Mode == 0 && !Config.Cdda) |
1728 | CDR_stop(); | |
9f8b032d | 1729 | |
55b8460a | 1730 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1731 | gzfreeze(&cdr, sizeof(cdr)); |
1732 | ||
94c118c3 | 1733 | if (Mode == 1) { |
1734 | cdr.ParamP = cdr.ParamC; | |
79cd4919 | 1735 | tmp = cdr.FifoOffset; |
94c118c3 | 1736 | } |
ef79bbde P |
1737 | |
1738 | gzfreeze(&tmp, sizeof(tmp)); | |
1739 | ||
42f3c512 | 1740 | if (Mode == 0) { |
fffad32e | 1741 | getCdInfo(); |
1742 | ||
afaac935 | 1743 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
509ebde4 | 1744 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
752c1c85 | 1745 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1746 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1747 | |
fffad32e | 1748 | // read right sub data |
f84d4864 DS |
1749 | tmpp[0] = btoi(cdr.Prev[0]); |
1750 | tmpp[1] = btoi(cdr.Prev[1]); | |
1751 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1752 | cdr.Prev[0]++; |
73b29eeb | 1753 | ReadTrack(tmpp); |
fffad32e | 1754 | |
1755 | if (cdr.Play) { | |
55b8460a | 1756 | if (cdr.freeze_ver < 0x63647202) |
1757 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1758 | ||
fffad32e | 1759 | Find_CurTrack(cdr.SetSectorPlay); |
1760 | if (!Config.Cdda) | |
1761 | CDR_play(cdr.SetSectorPlay); | |
1762 | } | |
c69642c8 | 1763 | |
1764 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1765 | // old versions did not latch Reg2, have to fixup.. | |
1766 | if (cdr.Reg2 == 0) { | |
1767 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1768 | cdr.Reg2 = 7; | |
1769 | } | |
0f2dee0f | 1770 | // also did not save Attenuator.. |
1771 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1772 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1773 | { | |
1774 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1775 | } | |
c69642c8 | 1776 | } |
42f3c512 | 1777 | } |
1778 | ||
ef79bbde P |
1779 | return 0; |
1780 | } | |
9f8b032d | 1781 | |
d9a02493 | 1782 | void LidInterrupt(void) { |
fffad32e | 1783 | getCdInfo(); |
80f91a20 | 1784 | cdrLidSeekInterrupt(); |
9f8b032d | 1785 | } |