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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 P |
25 | #include "cdrom.h" |
26 | #include "ppf.h" | |
9f8b032d | 27 | #include "psxdma.h" |
8f2bb0cb | 28 | #include "arm_features.h" |
ef79bbde | 29 | |
8b380e97 | 30 | /* logging */ |
31 | #if 0 | |
32 | #define CDR_LOG SysPrintf | |
33 | #else | |
34 | #define CDR_LOG(...) | |
35 | #endif | |
36 | #if 0 | |
37 | #define CDR_LOG_I SysPrintf | |
38 | #else | |
4d74a45a | 39 | #define CDR_LOG_I(fmt, ...) \ |
40 | log_unhandled("%u cdrom: " fmt, psxRegs.cycle, ##__VA_ARGS__) | |
8b380e97 | 41 | #endif |
42 | #if 0 | |
43 | #define CDR_LOG_IO SysPrintf | |
44 | #else | |
45 | #define CDR_LOG_IO(...) | |
46 | #endif | |
47 | //#define CDR_LOG_CMD_IRQ | |
48 | ||
e7acd858 | 49 | static struct { |
5c96969c | 50 | // unused members maintain savesate compatibility |
51 | unsigned char unused0; | |
52 | unsigned char unused1; | |
e7acd858 | 53 | unsigned char Reg2; |
5c96969c | 54 | unsigned char unused2; |
e7acd858 | 55 | unsigned char Ctrl; |
56 | unsigned char Stat; | |
57 | ||
58 | unsigned char StatP; | |
59 | ||
60 | unsigned char Transfer[DATA_SIZE]; | |
61 | struct { | |
62 | unsigned char Track; | |
63 | unsigned char Index; | |
64 | unsigned char Relative[3]; | |
65 | unsigned char Absolute[3]; | |
66 | } subq; | |
67 | unsigned char TrackChanged; | |
bbcd0c29 | 68 | unsigned char ReportDelay; |
69 | unsigned char unused3[2]; | |
e7acd858 | 70 | unsigned int freeze_ver; |
71 | ||
72 | unsigned char Prev[4]; | |
73 | unsigned char Param[8]; | |
74 | unsigned char Result[16]; | |
75 | ||
76 | unsigned char ParamC; | |
77 | unsigned char ParamP; | |
78 | unsigned char ResultC; | |
79 | unsigned char ResultP; | |
80 | unsigned char ResultReady; | |
81 | unsigned char Cmd; | |
0eacae49 | 82 | unsigned char SubqForwardSectors; |
e7acd858 | 83 | unsigned char SetlocPending; |
84 | u32 Reading; | |
85 | ||
86 | unsigned char ResultTN[6]; | |
87 | unsigned char ResultTD[4]; | |
88 | unsigned char SetSectorPlay[4]; | |
89 | unsigned char SetSectorEnd[4]; | |
90 | unsigned char SetSector[4]; | |
91 | unsigned char Track; | |
92 | boolean Play, Muted; | |
93 | int CurTrack; | |
94 | int Mode, File, Channel; | |
3c2583a6 | 95 | unsigned char LocL[8]; |
e7acd858 | 96 | int FirstSector; |
97 | ||
98 | xa_decode_t Xa; | |
99 | ||
e411faef | 100 | u16 FifoOffset; |
101 | u16 FifoSize; | |
e7acd858 | 102 | |
5c96969c | 103 | u16 CmdInProgress; |
f55c59b7 | 104 | u8 Irq1Pending; |
105 | u8 unused5; | |
eab544ae | 106 | u32 LastReadCycles; |
e7acd858 | 107 | |
5c96969c | 108 | u8 unused7; |
e7acd858 | 109 | |
110 | u8 DriveState; | |
111 | u8 FastForward; | |
112 | u8 FastBackward; | |
14c8b56a | 113 | u8 errorRetryhack; |
e7acd858 | 114 | |
115 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
116 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
117 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
118 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
119 | } cdr; | |
66425c25 | 120 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
121 | |
122 | /* CD-ROM magic numbers */ | |
2e88c317 | 123 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
124 | #define CdlNop 1 |
125 | #define CdlSetloc 2 | |
126 | #define CdlPlay 3 | |
127 | #define CdlForward 4 | |
128 | #define CdlBackward 5 | |
129 | #define CdlReadN 6 | |
130 | #define CdlStandby 7 | |
131 | #define CdlStop 8 | |
132 | #define CdlPause 9 | |
8399ca33 | 133 | #define CdlReset 10 |
ef79bbde P |
134 | #define CdlMute 11 |
135 | #define CdlDemute 12 | |
136 | #define CdlSetfilter 13 | |
137 | #define CdlSetmode 14 | |
95465b97 | 138 | #define CdlGetparam 15 |
ef79bbde P |
139 | #define CdlGetlocL 16 |
140 | #define CdlGetlocP 17 | |
141 | #define CdlReadT 18 | |
142 | #define CdlGetTN 19 | |
143 | #define CdlGetTD 20 | |
144 | #define CdlSeekL 21 | |
145 | #define CdlSeekP 22 | |
146 | #define CdlSetclock 23 | |
147 | #define CdlGetclock 24 | |
148 | #define CdlTest 25 | |
149 | #define CdlID 26 | |
150 | #define CdlReadS 27 | |
8399ca33 | 151 | #define CdlInit 28 |
e4268a49 | 152 | #define CdlGetQ 29 |
ef79bbde P |
153 | #define CdlReadToc 30 |
154 | ||
e7acd858 | 155 | #ifdef CDR_LOG_CMD_IRQ |
156 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
157 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
158 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 159 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 160 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
161 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
162 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
163 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 164 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 165 | }; |
e7acd858 | 166 | #endif |
ef79bbde P |
167 | |
168 | unsigned char Test04[] = { 0 }; | |
169 | unsigned char Test05[] = { 0 }; | |
170 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
171 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
172 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
173 | ||
9f8b032d | 174 | // cdr.Stat: |
175 | #define NoIntr 0 | |
176 | #define DataReady 1 | |
177 | #define Complete 2 | |
178 | #define Acknowledge 3 | |
179 | #define DataEnd 4 | |
180 | #define DiskError 5 | |
181 | ||
182 | /* Modes flags */ | |
183 | #define MODE_SPEED (1<<7) // 0x80 | |
184 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
185 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
186 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 187 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 188 | #define MODE_SF (1<<3) // 0x08 channel on/off |
189 | #define MODE_REPORT (1<<2) // 0x04 | |
190 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
191 | #define MODE_CDDA (1<<0) // 0x01 | |
192 | ||
193 | /* Status flags */ | |
194 | #define STATUS_PLAY (1<<7) // 0x80 | |
195 | #define STATUS_SEEK (1<<6) // 0x40 | |
196 | #define STATUS_READ (1<<5) // 0x20 | |
197 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
198 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
199 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
200 | #define STATUS_ROTATING (1<<1) // 0x02 | |
201 | #define STATUS_ERROR (1<<0) // 0x01 | |
202 | ||
e4268a49 | 203 | /* Errors */ |
003cfc63 | 204 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 205 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
206 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 207 | |
ef79bbde P |
208 | // 1x = 75 sectors per second |
209 | // PSXCLK = 1 sec in the ps | |
210 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
211 | #define cdReadTime (PSXCLK / 75) | |
212 | ||
3c2583a6 | 213 | #define LOCL_INVALID 0xff |
0eacae49 | 214 | #define SUBQ_FORWARD_SECTORS 2u |
3c2583a6 | 215 | |
80f91a20 | 216 | enum drive_state { |
05e5c298 | 217 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 218 | DRIVESTATE_LID_OPEN, |
219 | DRIVESTATE_RESCAN_CD, | |
220 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 221 | DRIVESTATE_STOPPED, |
80f91a20 | 222 | }; |
223 | ||
ef79bbde | 224 | static struct CdrStat stat; |
ef79bbde | 225 | |
fffad32e | 226 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 227 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
228 | } | |
229 | ||
fffad32e | 230 | // for that weird psemu API.. |
231 | static unsigned int fsm2sec(const u8 *msf) { | |
232 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
233 | } | |
234 | ||
305c8c93 | 235 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 236 | msf[0] = s / 75 / 60; |
237 | s = s - msf[0] * 75 * 60; | |
238 | msf[1] = s / 75; | |
239 | s = s - msf[1] * 75; | |
240 | msf[2] = s; | |
241 | } | |
242 | ||
39df67df | 243 | // cdrInterrupt |
ef79bbde | 244 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 245 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
246 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
247 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
248 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 249 | } |
ef79bbde | 250 | |
c4e62180 | 251 | // cdrPlayReadInterrupt |
252 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
9a1338bc | 253 | u32 e_ = eCycle; \ |
d28b54b1 | 254 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 255 | if (isFirst) \ |
256 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
257 | else \ | |
258 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
259 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
260 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 261 | } |
ef79bbde | 262 | |
39df67df | 263 | // cdrLidSeekInterrupt |
9f8b032d | 264 | #define CDRLID_INT(eCycle) { \ |
265 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
266 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
267 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
268 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
269 | } | |
270 | ||
ef79bbde | 271 | #define StopReading() { \ |
05e5c298 | 272 | cdr.Reading = 0; \ |
273 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
274 | } |
275 | ||
276 | #define StopCdda() { \ | |
05e5c298 | 277 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
278 | cdr.Play = FALSE; \ | |
279 | cdr.FastForward = 0; \ | |
280 | cdr.FastBackward = 0; \ | |
281 | } | |
282 | ||
283 | #define SetPlaySeekRead(x, f) { \ | |
284 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
285 | x |= f; \ | |
ef79bbde P |
286 | } |
287 | ||
288 | #define SetResultSize(size) { \ | |
94c118c3 | 289 | cdr.ResultP = 0; \ |
ef79bbde P |
290 | cdr.ResultC = size; \ |
291 | cdr.ResultReady = 1; \ | |
292 | } | |
293 | ||
e7acd858 | 294 | static void setIrq(int log_cmd) |
94c118c3 | 295 | { |
296 | if (cdr.Stat & cdr.Reg2) | |
297 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 298 | |
299 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 300 | if (cdr.Stat) |
e7acd858 | 301 | { |
302 | int i; | |
4d74a45a | 303 | CDR_LOG_I("CDR IRQ=%d cmd %02x stat %02x: ", |
304 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
e7acd858 | 305 | for (i = 0; i < cdr.ResultC; i++) |
306 | SysPrintf("%02x ", cdr.Result[i]); | |
307 | SysPrintf("\n"); | |
308 | } | |
309 | #endif | |
94c118c3 | 310 | } |
9f8b032d | 311 | |
80f91a20 | 312 | // timing used in this function was taken from tests on real hardware |
313 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 314 | void cdrLidSeekInterrupt(void) |
9f8b032d | 315 | { |
4d74a45a | 316 | CDR_LOG_I("%s cdr.DriveState=%d\n", __func__, cdr.DriveState); |
b4638ad9 | 317 | |
80f91a20 | 318 | switch (cdr.DriveState) { |
319 | default: | |
320 | case DRIVESTATE_STANDBY: | |
05e5c298 | 321 | StopCdda(); |
322 | StopReading(); | |
323 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 324 | |
80f91a20 | 325 | if (CDR_getStatus(&stat) == -1) |
326 | return; | |
9f8b032d | 327 | |
80f91a20 | 328 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 329 | { |
48e85d1b | 330 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 331 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
332 | CDRLID_INT(0x800); | |
333 | } | |
334 | break; | |
9f8b032d | 335 | |
80f91a20 | 336 | case DRIVESTATE_LID_OPEN: |
337 | if (CDR_getStatus(&stat) == -1) | |
338 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 339 | |
80f91a20 | 340 | // 02, 12, 10 |
341 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 342 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 343 | |
80f91a20 | 344 | // could generate error irq here, but real hardware |
345 | // only sometimes does that | |
346 | // (not done when lots of commands are sent?) | |
9f8b032d | 347 | |
80f91a20 | 348 | CDRLID_INT(cdReadTime * 30); |
349 | break; | |
9f8b032d | 350 | } |
80f91a20 | 351 | else if (cdr.StatP & STATUS_ROTATING) { |
352 | cdr.StatP &= ~STATUS_ROTATING; | |
353 | } | |
354 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
355 | // closed now | |
356 | CheckCdrom(); | |
9f8b032d | 357 | |
80f91a20 | 358 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
359 | // and is only cleared by CdlNop | |
9f8b032d | 360 | |
80f91a20 | 361 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
362 | CDRLID_INT(cdReadTime * 105); | |
363 | break; | |
364 | } | |
9f8b032d | 365 | |
80f91a20 | 366 | // recheck for close |
367 | CDRLID_INT(cdReadTime * 3); | |
368 | break; | |
9f8b032d | 369 | |
80f91a20 | 370 | case DRIVESTATE_RESCAN_CD: |
371 | cdr.StatP |= STATUS_ROTATING; | |
372 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 373 | |
80f91a20 | 374 | // this is very long on real hardware, over 6 seconds |
375 | // make it a bit faster here... | |
376 | CDRLID_INT(cdReadTime * 150); | |
377 | break; | |
9f8b032d | 378 | |
80f91a20 | 379 | case DRIVESTATE_PREPARE_CD: |
b4638ad9 | 380 | if (cdr.StatP & STATUS_SEEK) { |
381 | SetPlaySeekRead(cdr.StatP, 0); | |
382 | cdr.DriveState = DRIVESTATE_STANDBY; | |
383 | } | |
384 | else { | |
385 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
386 | CDRLID_INT(cdReadTime * 26); | |
387 | } | |
80f91a20 | 388 | break; |
9f8b032d | 389 | } |
390 | } | |
391 | ||
fffad32e | 392 | static void Find_CurTrack(const u8 *time) |
393 | { | |
394 | int current, sect; | |
9f8b032d | 395 | |
fffad32e | 396 | current = msf2sec(time); |
9f8b032d | 397 | |
fffad32e | 398 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
399 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
400 | sect = fsm2sec(cdr.ResultTD); | |
401 | if (sect - current >= 150) | |
9f8b032d | 402 | break; |
9f8b032d | 403 | } |
404 | } | |
405 | ||
73b29eeb | 406 | static void generate_subq(const u8 *time) |
407 | { | |
408 | unsigned char start[3], next[3]; | |
409 | unsigned int this_s, start_s, next_s, pregap; | |
410 | int relative_s; | |
411 | ||
412 | CDR_getTD(cdr.CurTrack, start); | |
413 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
414 | pregap = 150; | |
415 | CDR_getTD(cdr.CurTrack + 1, next); | |
416 | } | |
417 | else { | |
418 | // last track - cd size | |
419 | pregap = 0; | |
420 | next[0] = cdr.SetSectorEnd[2]; | |
421 | next[1] = cdr.SetSectorEnd[1]; | |
422 | next[2] = cdr.SetSectorEnd[0]; | |
423 | } | |
424 | ||
425 | this_s = msf2sec(time); | |
426 | start_s = fsm2sec(start); | |
427 | next_s = fsm2sec(next); | |
428 | ||
429 | cdr.TrackChanged = FALSE; | |
430 | ||
431 | if (next_s - this_s < pregap) { | |
432 | cdr.TrackChanged = TRUE; | |
433 | cdr.CurTrack++; | |
434 | start_s = next_s; | |
435 | } | |
436 | ||
437 | cdr.subq.Index = 1; | |
438 | ||
439 | relative_s = this_s - start_s; | |
440 | if (relative_s < 0) { | |
441 | cdr.subq.Index = 0; | |
442 | relative_s = -relative_s; | |
443 | } | |
444 | sec2msf(relative_s, cdr.subq.Relative); | |
445 | ||
446 | cdr.subq.Track = itob(cdr.CurTrack); | |
447 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
448 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
449 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
450 | cdr.subq.Absolute[0] = itob(time[0]); | |
451 | cdr.subq.Absolute[1] = itob(time[1]); | |
452 | cdr.subq.Absolute[2] = itob(time[2]); | |
453 | } | |
454 | ||
0eacae49 | 455 | static int ReadTrack(const u8 *time) |
456 | { | |
fffad32e | 457 | unsigned char tmp[3]; |
3c2583a6 | 458 | int read_ok; |
ef79bbde | 459 | |
fffad32e | 460 | tmp[0] = itob(time[0]); |
461 | tmp[1] = itob(time[1]); | |
462 | tmp[2] = itob(time[2]); | |
ef79bbde | 463 | |
fffad32e | 464 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
3c2583a6 | 465 | return 1; |
39df67df | 466 | |
fffad32e | 467 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 468 | |
3c2583a6 | 469 | read_ok = CDR_readTrack(tmp); |
1f665cdd | 470 | if (read_ok) |
471 | memcpy(cdr.Prev, tmp, 3); | |
0eacae49 | 472 | return read_ok; |
473 | } | |
474 | ||
475 | static void UpdateSubq(const u8 *time) | |
476 | { | |
477 | const struct SubQ *subq; | |
478 | u16 crc; | |
9f8b032d | 479 | |
fffad32e | 480 | if (CheckSBI(time)) |
0eacae49 | 481 | return; |
9f8b032d | 482 | |
0eacae49 | 483 | subq = (struct SubQ *)CDR_getBufferSub(MSF2SECT(time[0], time[1], time[2])); |
73b29eeb | 484 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 485 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 486 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 487 | cdr.subq.Track = subq->TrackNumber; |
488 | cdr.subq.Index = subq->IndexNumber; | |
489 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
490 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 491 | } |
92ca1ba6 | 492 | else { |
0eacae49 | 493 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
494 | time[0], time[1], time[2]); | |
92ca1ba6 | 495 | } |
9f8b032d | 496 | } |
fffad32e | 497 | else { |
73b29eeb | 498 | generate_subq(time); |
9f8b032d | 499 | } |
9f8b032d | 500 | |
fffad32e | 501 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
502 | cdr.subq.Track, cdr.subq.Index, | |
503 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
504 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
505 | } | |
9f8b032d | 506 | |
7f457614 | 507 | static void cdrPlayInterrupt_Autopause() |
508 | { | |
66425c25 | 509 | u32 abs_lev_max = 0; |
510 | boolean abs_lev_chselect; | |
511 | u32 i; | |
512 | ||
fffad32e | 513 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 514 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 515 | |
516 | // Magic the Gathering | |
517 | // - looping territory cdda | |
518 | ||
519 | // ...? | |
520 | //cdr.ResultReady = 1; | |
521 | //cdr.Stat = DataReady; | |
522 | cdr.Stat = DataEnd; | |
f4a0ef36 | 523 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 524 | |
525 | StopCdda(); | |
05e5c298 | 526 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 527 | } |
bbcd0c29 | 528 | else if ((cdr.Mode & MODE_REPORT) && !cdr.ReportDelay && |
529 | ((cdr.subq.Absolute[2] & 0x0f) == 0 || cdr.FastForward || cdr.FastBackward)) | |
530 | { | |
fffad32e | 531 | cdr.Result[0] = cdr.StatP; |
532 | cdr.Result[1] = cdr.subq.Track; | |
533 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 534 | |
535 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
536 | ||
537 | /* 8 is a hack. For accuracy, it should be 588. */ | |
538 | for (i = 0; i < 8; i++) | |
539 | { | |
540 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
541 | } | |
542 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
543 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 544 | |
fffad32e | 545 | if (cdr.subq.Absolute[2] & 0x10) { |
546 | cdr.Result[3] = cdr.subq.Relative[0]; | |
547 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
548 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 549 | } |
fffad32e | 550 | else { |
551 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
552 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
553 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
554 | } | |
555 | ||
66425c25 | 556 | cdr.Result[6] = abs_lev_max >> 0; |
557 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 558 | |
559 | // Rayman: Logo freeze (resultready + dataready) | |
560 | cdr.ResultReady = 1; | |
561 | cdr.Stat = DataReady; | |
562 | ||
563 | SetResultSize(8); | |
f4a0ef36 | 564 | setIrq(0x1001); |
7f457614 | 565 | } |
bbcd0c29 | 566 | |
567 | if (cdr.ReportDelay) | |
568 | cdr.ReportDelay--; | |
7f457614 | 569 | } |
570 | ||
eab544ae | 571 | // LastReadCycles |
05e5c298 | 572 | static int cdrSeekTime(unsigned char *target) |
573 | { | |
1290ebe4 | 574 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
eab544ae | 575 | int pausePenalty, seekTime = abs(diff) * (cdReadTime / 2000); |
576 | seekTime = MAX_VALUE(seekTime, 20000); | |
577 | ||
578 | // need this stupidly long penalty or else Spyro2 intro desyncs | |
579 | pausePenalty = (s32)(psxRegs.cycle - cdr.LastReadCycles) > cdReadTime * 4 ? cdReadTime * 25 : 0; | |
580 | seekTime += pausePenalty; | |
581 | ||
582 | seekTime = MIN_VALUE(seekTime, PSXCLK * 2 / 3); | |
05e5c298 | 583 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); |
584 | return seekTime; | |
585 | } | |
586 | ||
fc7764f1 | 587 | static u32 cdrAlignTimingHack(u32 cycles) |
588 | { | |
589 | /* | |
590 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
591 | * The game has a bug where it issues some cdc commands from a low priority | |
592 | * vint handler, however there is a higher priority default bios handler | |
593 | * that acks the vint irq and returns, so game's handler is not reached | |
594 | * (see bios irq handler chains at e004 and the game's irq handling func | |
595 | * at 80036810). For the game to work, vint has to arrive after the bios | |
596 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
597 | * active), but before the game's handler loop reads I_STAT. The time | |
598 | * window for this is quite small (~1k cycles of so). Apparently this | |
599 | * somehow happens naturally on the real hardware. | |
d0d2939d | 600 | * |
601 | * Note: always enforcing this breaks other games like Crash PAL version | |
602 | * (inputs get dropped because bios handler doesn't see interrupts). | |
fc7764f1 | 603 | */ |
d0d2939d | 604 | u32 vint_rel; |
605 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
606 | return cycles; | |
607 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
fc7764f1 | 608 | vint_rel += PSXCLK / 60; |
609 | while ((s32)(vint_rel - cycles) < 0) | |
610 | vint_rel += PSXCLK / 60; | |
611 | return vint_rel; | |
612 | } | |
613 | ||
4d384ca8 | 614 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 615 | static void cdrReadInterrupt(void); |
3e629be9 | 616 | static void cdrPrepCdda(s16 *buf, int samples); |
617 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 618 | |
0eacae49 | 619 | static void msfiAdd(u8 *msfi, u32 count) |
620 | { | |
621 | assert(count < 75); | |
622 | msfi[2] += count; | |
623 | if (msfi[2] >= 75) { | |
624 | msfi[2] -= 75; | |
625 | msfi[1]++; | |
626 | if (msfi[1] == 60) { | |
627 | msfi[1] = 0; | |
628 | msfi[0]++; | |
629 | } | |
630 | } | |
631 | } | |
632 | ||
c4e62180 | 633 | void cdrPlayReadInterrupt(void) |
7f457614 | 634 | { |
eab544ae | 635 | cdr.LastReadCycles = psxRegs.cycle; |
636 | ||
28eea6ac | 637 | if (cdr.Reading) { |
638 | cdrReadInterrupt(); | |
639 | return; | |
640 | } | |
641 | ||
39df67df | 642 | if (!cdr.Play) return; |
7f457614 | 643 | |
7f457614 | 644 | CDR_LOG( "CDDA - %d:%d:%d\n", |
645 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 646 | |
28eea6ac | 647 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 648 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
649 | StopCdda(); | |
05e5c298 | 650 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 651 | cdr.TrackChanged = TRUE; |
652 | } | |
084b0f31 | 653 | else { |
654 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
655 | } | |
7f457614 | 656 | |
5c96969c | 657 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 658 | cdrPlayInterrupt_Autopause(); |
659 | ||
cdaef86c | 660 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 661 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 662 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 663 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
664 | cdr.FirstSector = 0; | |
66425c25 | 665 | } |
fffad32e | 666 | |
0eacae49 | 667 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 668 | |
fffad32e | 669 | // update for CdlGetlocP/autopause |
73b29eeb | 670 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 671 | |
c4e62180 | 672 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 673 | } |
674 | ||
f4a0ef36 | 675 | #define CMD_PART2 0x100 |
676 | #define CMD_WHILE_NOT_READY 0x200 | |
677 | ||
28eea6ac | 678 | void cdrInterrupt(void) { |
e4268a49 | 679 | int start_rotating = 0; |
680 | int error = 0; | |
fc7764f1 | 681 | u32 cycles, seekTime = 0; |
5c96969c | 682 | u32 second_resp_time = 0; |
3c2583a6 | 683 | const void *buf; |
5c96969c | 684 | u8 ParamC; |
115d0459 | 685 | u8 set_loc[3]; |
3c2583a6 | 686 | int read_ok; |
f4a0ef36 | 687 | u16 not_ready = 0; |
5c96969c | 688 | u16 Cmd; |
115d0459 | 689 | int i; |
ef79bbde P |
690 | |
691 | if (cdr.Stat) { | |
4d74a45a | 692 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
693 | cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
694 | return; |
695 | } | |
4d384ca8 | 696 | if (cdr.Irq1Pending) { |
697 | // hand out the "newest" sector, according to nocash | |
698 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
4d74a45a | 699 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
700 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
701 | cdr.CmdInProgress, cdr.Irq1Pending); | |
4d384ca8 | 702 | SetResultSize(1); |
703 | cdr.Result[0] = cdr.Irq1Pending; | |
704 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
705 | cdr.Irq1Pending = 0; | |
f4a0ef36 | 706 | setIrq(0x1003); |
4d384ca8 | 707 | return; |
708 | } | |
ef79bbde | 709 | |
e4268a49 | 710 | // default response |
711 | SetResultSize(1); | |
712 | cdr.Result[0] = cdr.StatP; | |
713 | cdr.Stat = Acknowledge; | |
714 | ||
5c96969c | 715 | Cmd = cdr.CmdInProgress; |
716 | cdr.CmdInProgress = 0; | |
717 | ParamC = cdr.ParamC; | |
e4268a49 | 718 | |
5c96969c | 719 | if (Cmd < 0x100) { |
f4a0ef36 | 720 | cdr.Ctrl &= ~0x80; |
5c96969c | 721 | cdr.ParamC = 0; |
f4a0ef36 | 722 | cdr.Cmd = 0; |
723 | } | |
724 | ||
725 | switch (cdr.DriveState) { | |
b4638ad9 | 726 | case DRIVESTATE_PREPARE_CD: |
727 | if (Cmd > 2) { | |
728 | // Syphon filter 2 expects commands to work shortly after it sees | |
729 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
730 | cdr.DriveState = DRIVESTATE_STANDBY; | |
731 | cdr.StatP &= ~STATUS_SEEK; | |
732 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
733 | break; | |
734 | } | |
735 | // fallthrough | |
f4a0ef36 | 736 | case DRIVESTATE_LID_OPEN: |
737 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 738 | // no disk or busy with the initial scan, allowed cmds are limited |
739 | not_ready = CMD_WHILE_NOT_READY; | |
740 | break; | |
5c96969c | 741 | } |
e4268a49 | 742 | |
f4a0ef36 | 743 | switch (Cmd | not_ready) { |
ef79bbde | 744 | case CdlNop: |
f4a0ef36 | 745 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 746 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
747 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
748 | break; |
749 | ||
750 | case CdlSetloc: | |
f4a0ef36 | 751 | case CdlSetloc + CMD_WHILE_NOT_READY: |
115d0459 | 752 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
753 | ||
754 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
755 | 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)) | |
756 | { | |
ab88c81f | 757 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
14c8b56a | 758 | if (++cdr.errorRetryhack > 100) |
759 | break; | |
115d0459 | 760 | error = ERROR_INVALIDARG; |
761 | goto set_error; | |
762 | } | |
763 | else | |
764 | { | |
765 | for (i = 0; i < 3; i++) | |
115d0459 | 766 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 767 | memcpy(cdr.SetSector, set_loc, 3); |
768 | cdr.SetSector[3] = 0; | |
769 | cdr.SetlocPending = 1; | |
14c8b56a | 770 | cdr.errorRetryhack = 0; |
115d0459 | 771 | } |
ef79bbde P |
772 | break; |
773 | ||
55b8460a | 774 | do_CdlPlay: |
ef79bbde | 775 | case CdlPlay: |
030bd76a | 776 | StopCdda(); |
05e5c298 | 777 | StopReading(); |
778 | ||
d2e271b2 | 779 | cdr.FastBackward = 0; |
780 | cdr.FastForward = 0; | |
781 | ||
2d5ca6c0 | 782 | // BIOS CD Player |
783 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
784 | ||
5c96969c | 785 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 786 | int track = btoi( cdr.Param[0] ); |
787 | ||
788 | if (track <= cdr.ResultTN[1]) | |
789 | cdr.CurTrack = track; | |
790 | ||
791 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
792 | ||
793 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 794 | for (i = 0; i < 3; i++) |
795 | set_loc[i] = cdr.ResultTD[2 - i]; | |
796 | seekTime = cdrSeekTime(set_loc); | |
797 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 798 | } |
799 | } | |
05e5c298 | 800 | else if (cdr.SetlocPending) { |
801 | seekTime = cdrSeekTime(cdr.SetSector); | |
802 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
803 | } | |
804 | else { | |
805 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
806 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
807 | } | |
808 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 809 | |
9f8b032d | 810 | /* |
811 | Rayman: detect track changes | |
812 | - fixes logo freeze | |
813 | ||
814 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
815 | - plays tracks without retry play | |
816 | ||
817 | Wild 9: skip PREGAP + starting accurate SubQ | |
818 | - plays tracks without retry play | |
819 | */ | |
fffad32e | 820 | Find_CurTrack(cdr.SetSectorPlay); |
0eacae49 | 821 | generate_subq(cdr.SetSectorPlay); |
3c2583a6 | 822 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 823 | cdr.SubqForwardSectors = 1; |
fffad32e | 824 | cdr.TrackChanged = FALSE; |
cdaef86c | 825 | cdr.FirstSector = 1; |
bbcd0c29 | 826 | cdr.ReportDelay = 60; |
9f8b032d | 827 | |
2d5ca6c0 | 828 | if (!Config.Cdda) |
2e88c317 | 829 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 830 | |
05e5c298 | 831 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 832 | |
833 | // BIOS player - set flag again | |
834 | cdr.Play = TRUE; | |
835 | ||
c4e62180 | 836 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 837 | start_rotating = 1; |
ef79bbde P |
838 | break; |
839 | ||
9f8b032d | 840 | case CdlForward: |
e4268a49 | 841 | // TODO: error 80 if stopped |
9f8b032d | 842 | cdr.Stat = Complete; |
2e88c317 | 843 | |
9f8b032d | 844 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 845 | cdr.FastForward = 1; |
9f8b032d | 846 | cdr.FastBackward = 0; |
ef79bbde P |
847 | break; |
848 | ||
9f8b032d | 849 | case CdlBackward: |
9f8b032d | 850 | cdr.Stat = Complete; |
851 | ||
9f8b032d | 852 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 853 | cdr.FastBackward = 1; |
9f8b032d | 854 | cdr.FastForward = 0; |
ef79bbde P |
855 | break; |
856 | ||
9f8b032d | 857 | case CdlStandby: |
e4268a49 | 858 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
859 | error = ERROR_INVALIDARG; | |
860 | goto set_error; | |
861 | } | |
5c96969c | 862 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 863 | start_rotating = 1; |
864 | break; | |
865 | ||
f4a0ef36 | 866 | case CdlStandby + CMD_PART2: |
ef79bbde P |
867 | cdr.Stat = Complete; |
868 | break; | |
869 | ||
870 | case CdlStop: | |
030bd76a | 871 | if (cdr.Play) { |
872 | // grab time for current track | |
873 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
874 | ||
875 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
876 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
877 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
878 | } | |
879 | ||
880 | StopCdda(); | |
881 | StopReading(); | |
05e5c298 | 882 | SetPlaySeekRead(cdr.StatP, 0); |
883 | cdr.StatP &= ~STATUS_ROTATING; | |
3c2583a6 | 884 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 885 | |
5c96969c | 886 | second_resp_time = 0x800; |
e4268a49 | 887 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 888 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 889 | |
890 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 891 | break; |
892 | ||
f4a0ef36 | 893 | case CdlStop + CMD_PART2: |
ef79bbde | 894 | cdr.Stat = Complete; |
ef79bbde P |
895 | break; |
896 | ||
897 | case CdlPause: | |
05e5c298 | 898 | StopCdda(); |
899 | StopReading(); | |
12228917 | 900 | /* |
901 | Gundam Battle Assault 2: much slower (*) | |
902 | - Fixes boot, gameplay | |
2e88c317 | 903 | |
12228917 | 904 | Hokuto no Ken 2: slower |
905 | - Fixes intro + subtitles | |
2e88c317 | 906 | |
12228917 | 907 | InuYasha - Feudal Fairy Tale: slower |
908 | - Fixes battles | |
909 | */ | |
62018a94 | 910 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
911 | * The timings from Duckstation are based upon hardware tests. | |
912 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
913 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 914 | * */ |
05e5c298 | 915 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 916 | { |
5c96969c | 917 | second_resp_time = 7000; |
62018a94 | 918 | } |
919 | else | |
920 | { | |
eab544ae | 921 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 1 : 2) * 1097107); |
62018a94 | 922 | } |
05e5c298 | 923 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
924 | break; |
925 | ||
f4a0ef36 | 926 | case CdlPause + CMD_PART2: |
9f8b032d | 927 | cdr.Stat = Complete; |
ef79bbde P |
928 | break; |
929 | ||
8399ca33 | 930 | case CdlReset: |
f4a0ef36 | 931 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 932 | StopCdda(); |
933 | StopReading(); | |
934 | SetPlaySeekRead(cdr.StatP, 0); | |
3c2583a6 | 935 | cdr.LocL[0] = LOCL_INVALID; |
8399ca33 | 936 | cdr.Muted = FALSE; |
dfd4f48e | 937 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 938 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 939 | start_rotating = 1; |
940 | break; | |
941 | ||
f4a0ef36 | 942 | case CdlReset + CMD_PART2: |
943 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 944 | cdr.Stat = Complete; |
ef79bbde P |
945 | break; |
946 | ||
9f8b032d | 947 | case CdlMute: |
030bd76a | 948 | cdr.Muted = TRUE; |
ef79bbde P |
949 | break; |
950 | ||
9f8b032d | 951 | case CdlDemute: |
030bd76a | 952 | cdr.Muted = FALSE; |
ef79bbde P |
953 | break; |
954 | ||
9f8b032d | 955 | case CdlSetfilter: |
030bd76a | 956 | cdr.File = cdr.Param[0]; |
957 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 958 | break; |
ef79bbde P |
959 | |
960 | case CdlSetmode: | |
f4a0ef36 | 961 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 962 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
963 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 964 | break; |
ef79bbde | 965 | |
95465b97 | 966 | case CdlGetparam: |
f4a0ef36 | 967 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 968 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 969 | SetResultSize(5); |
9f8b032d | 970 | cdr.Result[1] = cdr.Mode; |
95465b97 | 971 | cdr.Result[2] = 0; |
972 | cdr.Result[3] = cdr.File; | |
973 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 974 | break; |
ef79bbde | 975 | |
9f8b032d | 976 | case CdlGetlocL: |
3c2583a6 | 977 | if (cdr.LocL[0] == LOCL_INVALID) { |
978 | error = 0x80; | |
979 | goto set_error; | |
980 | } | |
ef79bbde | 981 | SetResultSize(8); |
3c2583a6 | 982 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 983 | break; |
ef79bbde P |
984 | |
985 | case CdlGetlocP: | |
fffad32e | 986 | SetResultSize(8); |
987 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 988 | break; |
892bd7d4 | 989 | |
e4268a49 | 990 | case CdlReadT: // SetSession? |
991 | // really long | |
5c96969c | 992 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 993 | start_rotating = 1; |
994 | break; | |
995 | ||
f4a0ef36 | 996 | case CdlReadT + CMD_PART2: |
e4268a49 | 997 | cdr.Stat = Complete; |
ef79bbde P |
998 | break; |
999 | ||
9f8b032d | 1000 | case CdlGetTN: |
ef79bbde | 1001 | SetResultSize(3); |
9f8b032d | 1002 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 1003 | cdr.Stat = DiskError; |
9f8b032d | 1004 | cdr.Result[0] |= STATUS_ERROR; |
1005 | } else { | |
1006 | cdr.Stat = Acknowledge; | |
1007 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1008 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
1009 | } | |
1010 | break; | |
ef79bbde | 1011 | |
9f8b032d | 1012 | case CdlGetTD: |
ef79bbde P |
1013 | cdr.Track = btoi(cdr.Param[0]); |
1014 | SetResultSize(4); | |
ef79bbde P |
1015 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
1016 | cdr.Stat = DiskError; | |
9f8b032d | 1017 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1018 | } else { |
1019 | cdr.Stat = Acknowledge; | |
1020 | cdr.Result[0] = cdr.StatP; | |
1021 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1022 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 1023 | /* According to Nocash's documentation, the function doesn't care about ff. |
1024 | * This can be seen also in Mednafen's implementation. */ | |
1025 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1026 | } |
1027 | break; | |
1028 | ||
9f8b032d | 1029 | case CdlSeekL: |
39df67df | 1030 | case CdlSeekP: |
030bd76a | 1031 | StopCdda(); |
1032 | StopReading(); | |
c4e62180 | 1033 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1034 | |
05e5c298 | 1035 | seekTime = cdrSeekTime(cdr.SetSector); |
1036 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1037 | /* |
1038 | Crusaders of Might and Magic = 0.5x-4x | |
1039 | - fix cutscene speech start | |
1040 | ||
1041 | Eggs of Steel = 2x-? | |
1042 | - fix new game | |
1043 | ||
1044 | Medievil = ?-4x | |
1045 | - fix cutscene speech | |
1046 | ||
1047 | Rockman X5 = 0.5-4x | |
1048 | - fix capcom logo | |
1049 | */ | |
c4e62180 | 1050 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1051 | start_rotating = 1; |
ef79bbde P |
1052 | break; |
1053 | ||
c4e62180 | 1054 | case CdlSeekL + CMD_PART2: |
1055 | case CdlSeekP + CMD_PART2: | |
1056 | SetPlaySeekRead(cdr.StatP, 0); | |
5b406fd9 | 1057 | cdr.Result[0] = cdr.StatP; |
c4e62180 | 1058 | cdr.Stat = Complete; |
1059 | ||
1060 | Find_CurTrack(cdr.SetSectorPlay); | |
3c2583a6 | 1061 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1062 | if (read_ok && (buf = CDR_getBuffer())) | |
1063 | memcpy(cdr.LocL, buf, 8); | |
0eacae49 | 1064 | UpdateSubq(cdr.SetSectorPlay); |
c4e62180 | 1065 | cdr.TrackChanged = FALSE; |
1066 | break; | |
1067 | ||
ef79bbde | 1068 | case CdlTest: |
f4a0ef36 | 1069 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1070 | switch (cdr.Param[0]) { |
1071 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1072 | SetResultSize(4); |
1073 | memcpy(cdr.Result, Test20, 4); | |
1074 | break; | |
1075 | case 0x22: | |
1076 | SetResultSize(8); | |
1077 | memcpy(cdr.Result, Test22, 4); | |
1078 | break; | |
1079 | case 0x23: case 0x24: | |
1080 | SetResultSize(8); | |
1081 | memcpy(cdr.Result, Test23, 4); | |
1082 | break; | |
9f8b032d | 1083 | } |
ef79bbde P |
1084 | break; |
1085 | ||
9f8b032d | 1086 | case CdlID: |
5c96969c | 1087 | second_resp_time = 20480; |
ef79bbde P |
1088 | break; |
1089 | ||
f4a0ef36 | 1090 | case CdlID + CMD_PART2: |
ef79bbde | 1091 | SetResultSize(8); |
89ec56af | 1092 | cdr.Result[0] = cdr.StatP; |
1093 | cdr.Result[1] = 0; | |
1094 | cdr.Result[2] = 0; | |
1095 | cdr.Result[3] = 0; | |
9f8b032d | 1096 | |
d8432250 | 1097 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1098 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1099 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1100 | } |
1101 | else { | |
89ec56af | 1102 | if (stat.Type == 2) |
1103 | cdr.Result[1] |= 0x10; | |
1104 | if (CdromId[0] == '\0') | |
9f8b032d | 1105 | cdr.Result[1] |= 0x80; |
9f8b032d | 1106 | } |
89ec56af | 1107 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1108 | |
3e42b115 | 1109 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1110 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1111 | cdr.Stat = Complete; |
1112 | break; | |
1113 | ||
8399ca33 | 1114 | case CdlInit: |
f4a0ef36 | 1115 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1116 | StopCdda(); |
1117 | StopReading(); | |
1118 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1119 | // yes, it really sets STATUS_SHELLOPEN |
1120 | cdr.StatP |= STATUS_SHELLOPEN; | |
1121 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1122 | CDRLID_INT(20480); | |
e4268a49 | 1123 | start_rotating = 1; |
9f8b032d | 1124 | break; |
1125 | ||
e4268a49 | 1126 | case CdlGetQ: |
f4a0ef36 | 1127 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1128 | break; |
1129 | ||
1130 | case CdlReadToc: | |
f4a0ef36 | 1131 | case CdlReadToc + CMD_WHILE_NOT_READY: |
3c2583a6 | 1132 | cdr.LocL[0] = LOCL_INVALID; |
5c96969c | 1133 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1134 | start_rotating = 1; |
ef79bbde P |
1135 | break; |
1136 | ||
f4a0ef36 | 1137 | case CdlReadToc + CMD_PART2: |
1138 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1139 | cdr.Stat = Complete; |
ef79bbde P |
1140 | break; |
1141 | ||
94c118c3 | 1142 | case CdlReadN: |
1143 | case CdlReadS: | |
ab88c81f | 1144 | if (cdr.Reading && !cdr.SetlocPending) |
1145 | break; | |
1146 | ||
05e5c298 | 1147 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1148 | |
1149 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1150 | // Read* acts as play for cdda tracks in cdda mode | |
1151 | goto do_CdlPlay; | |
1152 | ||
05e5c298 | 1153 | StopCdda(); |
1154 | if (cdr.SetlocPending) { | |
1155 | seekTime = cdrSeekTime(cdr.SetSector); | |
1156 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1157 | cdr.SetlocPending = 0; | |
1158 | } | |
030bd76a | 1159 | cdr.Reading = 1; |
1160 | cdr.FirstSector = 1; | |
ef79bbde | 1161 | |
9f8b032d | 1162 | // Fighting Force 2 - update subq time immediately |
1163 | // - fixes new game | |
0eacae49 | 1164 | UpdateSubq(cdr.SetSectorPlay); |
3c2583a6 | 1165 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 1166 | cdr.SubqForwardSectors = 1; |
9f8b032d | 1167 | |
dfd4f48e | 1168 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
fc7764f1 | 1169 | cycles += seekTime; |
d0d2939d | 1170 | if (Config.hacks.cdr_read_timing) |
1171 | cycles = cdrAlignTimingHack(cycles); | |
fc7764f1 | 1172 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1173 | |
05e5c298 | 1174 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1175 | start_rotating = 1; |
ef79bbde | 1176 | break; |
3c2583a6 | 1177 | |
f96ca921 | 1178 | case CdlSync: |
ef79bbde | 1179 | default: |
e4268a49 | 1180 | error = ERROR_INVALIDCMD; |
1181 | // FALLTHROUGH | |
1182 | ||
1183 | set_error: | |
4d74a45a | 1184 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1185 | SetResultSize(2); |
1186 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
f4a0ef36 | 1187 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1188 | cdr.Stat = DiskError; |
ef79bbde P |
1189 | break; |
1190 | } | |
1191 | ||
e4268a49 | 1192 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1193 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1194 | cdr.StatP |= STATUS_ROTATING; | |
1195 | } | |
1196 | ||
5c96969c | 1197 | if (second_resp_time) { |
1198 | cdr.CmdInProgress = Cmd | 0x100; | |
1199 | CDR_INT(second_resp_time); | |
1200 | } | |
1201 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1202 | cdr.CmdInProgress = cdr.Cmd; | |
4d74a45a | 1203 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
5c96969c | 1204 | } |
1205 | ||
1206 | setIrq(Cmd); | |
ef79bbde P |
1207 | } |
1208 | ||
8f2bb0cb | 1209 | #ifdef HAVE_ARMV7 |
53598a71 | 1210 | #define ssat32_to_16(v) \ |
1211 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1212 | #else | |
1213 | #define ssat32_to_16(v) do { \ | |
1214 | if (v < -32768) v = -32768; \ | |
1215 | else if (v > 32767) v = 32767; \ | |
1216 | } while (0) | |
1217 | #endif | |
1218 | ||
3e629be9 | 1219 | static void cdrPrepCdda(s16 *buf, int samples) |
1220 | { | |
1221 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1222 | int i; | |
1223 | for (i = 0; i < samples; i++) { | |
1224 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1225 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1226 | } | |
1227 | #endif | |
1228 | } | |
1229 | ||
1230 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1231 | { |
1232 | int i, l, r; | |
1233 | int ll = cdr.AttenuatorLeftToLeft; | |
1234 | int lr = cdr.AttenuatorLeftToRight; | |
1235 | int rl = cdr.AttenuatorRightToLeft; | |
1236 | int rr = cdr.AttenuatorRightToRight; | |
1237 | ||
1238 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1239 | return; | |
1240 | ||
1241 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1242 | return; | |
1243 | ||
1244 | if (stereo) { | |
1245 | for (i = 0; i < samples; i++) { | |
1246 | l = buf[i * 2]; | |
1247 | r = buf[i * 2 + 1]; | |
1248 | l = (l * ll + r * rl) >> 7; | |
1249 | r = (r * rr + l * lr) >> 7; | |
1250 | ssat32_to_16(l); | |
1251 | ssat32_to_16(r); | |
1252 | buf[i * 2] = l; | |
1253 | buf[i * 2 + 1] = r; | |
1254 | } | |
1255 | } | |
1256 | else { | |
1257 | for (i = 0; i < samples; i++) { | |
1258 | l = buf[i]; | |
1259 | l = l * (ll + rl) >> 7; | |
1260 | //r = r * (rr + lr) >> 7; | |
1261 | ssat32_to_16(l); | |
1262 | //ssat32_to_16(r); | |
1263 | buf[i] = l; | |
1264 | } | |
1265 | } | |
1266 | } | |
1267 | ||
f55c59b7 | 1268 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1269 | { |
5c96969c | 1270 | if (cdr.Stat) { |
4d74a45a | 1271 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f55c59b7 | 1272 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
1273 | cdr.CmdInProgress, cdr.Stat); | |
1274 | cdr.Irq1Pending = result; | |
ef79bbde P |
1275 | return; |
1276 | } | |
ef79bbde | 1277 | SetResultSize(1); |
f55c59b7 | 1278 | cdr.Result[0] = result; |
1279 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
f4a0ef36 | 1280 | setIrq(0x1004); |
f55c59b7 | 1281 | } |
1282 | ||
1283 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1284 | { | |
1285 | if (!buf) | |
1286 | return; | |
1287 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1288 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1289 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1290 | if (cdr.FifoOffset < 2048 + 12) |
4d74a45a | 1291 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f55c59b7 | 1292 | } |
1293 | ||
1294 | static void cdrReadInterrupt(void) | |
1295 | { | |
1296 | u8 *buf = NULL, *hdr; | |
0eacae49 | 1297 | u8 subqPos[3]; |
3c2583a6 | 1298 | int read_ok; |
f55c59b7 | 1299 | |
0eacae49 | 1300 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1301 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1302 | UpdateSubq(subqPos); | |
1303 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1304 | cdr.SubqForwardSectors++; | |
1305 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1306 | return; | |
1307 | } | |
1308 | ||
e33e9f99 | 1309 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1310 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
1311 | ||
3c2583a6 | 1312 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1313 | if (read_ok) | |
f55c59b7 | 1314 | buf = CDR_getBuffer(); |
ef79bbde | 1315 | if (buf == NULL) |
3c2583a6 | 1316 | read_ok = 0; |
ef79bbde | 1317 | |
3c2583a6 | 1318 | if (!read_ok) { |
8b380e97 | 1319 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f55c59b7 | 1320 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1321 | return; |
1322 | } | |
3c2583a6 | 1323 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1324 | |
792f1697 | 1325 | if (!cdr.Stat && !cdr.Irq1Pending) |
f55c59b7 | 1326 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1327 | |
9f8b032d | 1328 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1329 | hdr = buf + 4; |
9f8b032d | 1330 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1331 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1332 | cdr.File = hdr[0]; |
1333 | cdr.Channel = hdr[1]; | |
9f8b032d | 1334 | } |
1335 | ||
0e0ad585 | 1336 | /* Gameblabla |
1337 | * Skips playing on channel 255. | |
1338 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1339 | * TODO : Check if this is the proper behaviour. | |
1340 | * */ | |
f55c59b7 | 1341 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1342 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1343 | if (!ret) { |
53598a71 | 1344 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1345 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1346 | cdr.FirstSector = 0; |
1347 | } | |
1348 | else cdr.FirstSector = -1; | |
1349 | } | |
1350 | } | |
1351 | ||
f55c59b7 | 1352 | /* |
1353 | Croc 2: $40 - only FORM1 (*) | |
1354 | Judge Dredd: $C8 - only FORM1 (*) | |
1355 | Sim Theme Park - no adpcm at all (zero) | |
1356 | */ | |
1357 | ||
1358 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1359 | cdrReadInterruptSetResult(cdr.StatP); | |
1360 | ||
0eacae49 | 1361 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1362 | |
c4e62180 | 1363 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1364 | } |
9f8b032d | 1365 | |
ef79bbde P |
1366 | /* |
1367 | cdrRead0: | |
94c118c3 | 1368 | bit 0,1 - mode |
ef79bbde P |
1369 | bit 2 - unknown |
1370 | bit 3 - unknown | |
1371 | bit 4 - unknown | |
1372 | bit 5 - 1 result ready | |
1373 | bit 6 - 1 dma ready | |
1374 | bit 7 - 1 command being processed | |
1375 | */ | |
1376 | ||
1377 | unsigned char cdrRead0(void) { | |
1378 | if (cdr.ResultReady) | |
1379 | cdr.Ctrl |= 0x20; | |
1380 | else | |
1381 | cdr.Ctrl &= ~0x20; | |
1382 | ||
5c96969c | 1383 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1384 | |
1385 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1386 | cdr.Ctrl |= 0x18; | |
1387 | ||
e7acd858 | 1388 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1389 | |
1390 | return psxHu8(0x1800) = cdr.Ctrl; | |
1391 | } | |
1392 | ||
ef79bbde | 1393 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1394 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1395 | |
50b13be9 | 1396 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1397 | } |
1398 | ||
1399 | unsigned char cdrRead1(void) { | |
94c118c3 | 1400 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1401 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1402 | else |
ef79bbde | 1403 | psxHu8(0x1801) = 0; |
94c118c3 | 1404 | cdr.ResultP++; |
1405 | if (cdr.ResultP == cdr.ResultC) | |
1406 | cdr.ResultReady = 0; | |
1407 | ||
e7acd858 | 1408 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1409 | |
ef79bbde P |
1410 | return psxHu8(0x1801); |
1411 | } | |
1412 | ||
1413 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1414 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1415 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1416 | |
94c118c3 | 1417 | switch (cdr.Ctrl & 3) { |
1418 | case 0: | |
1419 | break; | |
1420 | case 3: | |
53598a71 | 1421 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1422 | return; |
1423 | default: | |
1424 | return; | |
9f8b032d | 1425 | } |
1426 | ||
8b380e97 | 1427 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1428 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1429 | if (cdr.ParamC) { |
e7acd858 | 1430 | int i; |
ef79bbde P |
1431 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1432 | for (i = 0; i < cdr.ParamC; i++) | |
1433 | SysPrintf(" %x,", cdr.Param[i]); | |
1434 | SysPrintf("}\n"); | |
1435 | } else { | |
1436 | SysPrintf("\n"); | |
1437 | } | |
1438 | #endif | |
1439 | ||
2daaaae3 | 1440 | cdr.ResultReady = 0; |
94c118c3 | 1441 | cdr.Ctrl |= 0x80; |
8b380e97 | 1442 | |
5c96969c | 1443 | if (!cdr.CmdInProgress) { |
1444 | cdr.CmdInProgress = rt; | |
1445 | // should be something like 12k + controller delays | |
1446 | CDR_INT(5000); | |
9f8b032d | 1447 | } |
5c96969c | 1448 | else { |
4d74a45a | 1449 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1450 | rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1451 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1452 | cdr.CmdInProgress = rt; | |
1453 | } | |
1454 | ||
1455 | cdr.Cmd = rt; | |
ef79bbde P |
1456 | } |
1457 | ||
1458 | unsigned char cdrRead2(void) { | |
ca37f771 | 1459 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1460 | |
e411faef | 1461 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1462 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1463 | else | |
4d74a45a | 1464 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1465 | |
e7acd858 | 1466 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1467 | return ret; |
1468 | } | |
1469 | ||
1470 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1471 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1472 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1473 | |
94c118c3 | 1474 | switch (cdr.Ctrl & 3) { |
1475 | case 0: | |
1476 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1477 | cdr.Param[cdr.ParamC++] = rt; | |
1478 | return; | |
1479 | case 1: | |
1480 | cdr.Reg2 = rt; | |
f4a0ef36 | 1481 | setIrq(0x1005); |
94c118c3 | 1482 | return; |
1483 | case 2: | |
53598a71 | 1484 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1485 | return; |
1486 | case 3: | |
53598a71 | 1487 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1488 | return; |
ef79bbde P |
1489 | } |
1490 | } | |
1491 | ||
1492 | unsigned char cdrRead3(void) { | |
94c118c3 | 1493 | if (cdr.Ctrl & 0x1) |
1494 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1495 | else | |
1496 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1497 | |
e7acd858 | 1498 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1499 | return psxHu8(0x1803); |
1500 | } | |
1501 | ||
1502 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1503 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1504 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1505 | |
94c118c3 | 1506 | switch (cdr.Ctrl & 3) { |
1507 | case 0: | |
a34a2445 | 1508 | break; // transfer |
94c118c3 | 1509 | case 1: |
4d384ca8 | 1510 | if (cdr.Stat & rt) { |
aced3eb3 | 1511 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1512 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
4d74a45a | 1513 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
5c96969c | 1514 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1515 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", cdr.Stat & rt, rt, |
1516 | !!pending, cdr.CmdInProgress, | |
1517 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); | |
5c96969c | 1518 | #endif |
aced3eb3 | 1519 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
4d74a45a | 1520 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
aced3eb3 | 1521 | { |
792f1697 | 1522 | s32 c = 2048; |
1523 | if (cdr.CmdInProgress) { | |
1524 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1525 | c = MAX_VALUE(c, 512); | |
1526 | } | |
aced3eb3 | 1527 | CDR_INT(c); |
1528 | } | |
4d384ca8 | 1529 | } |
a34a2445 | 1530 | cdr.Stat &= ~rt; |
1531 | ||
1532 | if (rt & 0x40) | |
1533 | cdr.ParamC = 0; | |
1534 | return; | |
94c118c3 | 1535 | case 2: |
53598a71 | 1536 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1537 | return; |
1538 | case 3: | |
53598a71 | 1539 | if (rt & 0x20) { |
1540 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1541 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1542 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1543 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1544 | } | |
94c118c3 | 1545 | return; |
9f8b032d | 1546 | } |
056d6759 | 1547 | |
e411faef | 1548 | // test: Viewpoint |
1549 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1550 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1551 | } | |
1552 | else if (rt & 0x80) { | |
dfd4f48e | 1553 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1554 | case MODE_SIZE_2328: |
ef79bbde | 1555 | case 0x00: |
6cbdadb3 | 1556 | cdr.FifoOffset = 12; |
e411faef | 1557 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1558 | break; |
9f8b032d | 1559 | |
1560 | case MODE_SIZE_2340: | |
ef79bbde | 1561 | default: |
6cbdadb3 | 1562 | cdr.FifoOffset = 0; |
e411faef | 1563 | cdr.FifoSize = 2340; |
ef79bbde P |
1564 | break; |
1565 | } | |
1566 | } | |
e411faef | 1567 | else if (!(rt & 0xc0)) |
1568 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1569 | } |
1570 | ||
1571 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
d01bb904 | 1572 | u32 cdsize, max_words; |
c7071c43 | 1573 | int size; |
ef79bbde P |
1574 | u8 *ptr; |
1575 | ||
4d74a45a | 1576 | #if 0 |
1577 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1578 | if (cdr.FifoOffset == 0) { | |
1579 | ptr = cdr.Transfer; | |
1580 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1581 | } | |
1582 | SysPrintf("\n"); | |
1583 | #endif | |
ef79bbde | 1584 | |
7b68d92c | 1585 | switch (chcr & 0x71000000) { |
ef79bbde | 1586 | case 0x11000000: |
d01bb904 | 1587 | ptr = getDmaRam(madr, &max_words); |
b012a437 | 1588 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1589 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1590 | break; |
1591 | } | |
9f8b032d | 1592 | |
6cbdadb3 | 1593 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1594 | ||
9f8b032d | 1595 | /* |
1596 | GS CDX: Enhancement CD crash | |
1597 | - Setloc 0:0:0 | |
1598 | - CdlPlay | |
1599 | - Spams DMA3 and gets buffer overrun | |
1600 | */ | |
6cbdadb3 | 1601 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1602 | if (size > cdsize) |
1603 | size = cdsize; | |
d01bb904 | 1604 | if (size > max_words * 4) |
1605 | size = max_words * 4; | |
c7071c43 | 1606 | if (size > 0) |
9f8b032d | 1607 | { |
6cbdadb3 | 1608 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1609 | cdr.FifoOffset += size; | |
9f8b032d | 1610 | } |
ca37f771 | 1611 | if (size < cdsize) { |
7df2c03c | 1612 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
ca37f771 | 1613 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1614 | } | |
1615 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1616 | |
7b68d92c | 1617 | CDRDMA_INT((cdsize/4) * 24); |
1618 | ||
1619 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1620 | if (chcr & 0x100) { | |
58ebb94c | 1621 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1622 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1623 | } |
7b68d92c | 1624 | else { |
fc4803bd | 1625 | // halted |
7b68d92c | 1626 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1627 | } |
1628 | return; | |
1629 | ||
ef79bbde | 1630 | default: |
7df2c03c | 1631 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1632 | break; |
1633 | } | |
1634 | ||
1635 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1636 | DMA_INTERRUPT(3); | |
1637 | } | |
1638 | ||
28eea6ac | 1639 | void cdrDmaInterrupt(void) |
9f8b032d | 1640 | { |
ad418c19 | 1641 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1642 | { | |
1643 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1644 | DMA_INTERRUPT(3); | |
1645 | } | |
9f8b032d | 1646 | } |
1647 | ||
fffad32e | 1648 | static void getCdInfo(void) |
1649 | { | |
1650 | u8 tmp; | |
1651 | ||
1652 | CDR_getTN(cdr.ResultTN); | |
1653 | CDR_getTD(0, cdr.SetSectorEnd); | |
1654 | tmp = cdr.SetSectorEnd[0]; | |
1655 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1656 | cdr.SetSectorEnd[2] = tmp; | |
1657 | } | |
1658 | ||
ef79bbde P |
1659 | void cdrReset() { |
1660 | memset(&cdr, 0, sizeof(cdr)); | |
1661 | cdr.CurTrack = 1; | |
1662 | cdr.File = 1; | |
1663 | cdr.Channel = 1; | |
a2d3ccb8 | 1664 | cdr.Reg2 = 0x1f; |
1665 | cdr.Stat = NoIntr; | |
6cbdadb3 | 1666 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b4638ad9 | 1667 | if (CdromId[0] == '\0') { |
1668 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1669 | cdr.StatP = 0; | |
1670 | } | |
1671 | else { | |
1672 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1673 | cdr.StatP = STATUS_ROTATING; | |
1674 | } | |
2e88c317 | 1675 | |
056d6759 | 1676 | // BIOS player - default values |
53598a71 | 1677 | cdr.AttenuatorLeftToLeft = 0x80; |
1678 | cdr.AttenuatorLeftToRight = 0x00; | |
1679 | cdr.AttenuatorRightToLeft = 0x00; | |
1680 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1681 | |
1682 | getCdInfo(); | |
ef79bbde P |
1683 | } |
1684 | ||
496d88d4 | 1685 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1686 | u32 tmp; |
fffad32e | 1687 | u8 tmpp[3]; |
ef79bbde | 1688 | |
fffad32e | 1689 | if (Mode == 0 && !Config.Cdda) |
1690 | CDR_stop(); | |
9f8b032d | 1691 | |
55b8460a | 1692 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1693 | gzfreeze(&cdr, sizeof(cdr)); |
1694 | ||
94c118c3 | 1695 | if (Mode == 1) { |
1696 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1697 | tmp = cdr.FifoOffset; |
94c118c3 | 1698 | } |
ef79bbde P |
1699 | |
1700 | gzfreeze(&tmp, sizeof(tmp)); | |
1701 | ||
42f3c512 | 1702 | if (Mode == 0) { |
fffad32e | 1703 | getCdInfo(); |
1704 | ||
ca37f771 | 1705 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
dfd4f48e | 1706 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
0eacae49 | 1707 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1708 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1709 | |
fffad32e | 1710 | // read right sub data |
0204c39a DS |
1711 | tmpp[0] = btoi(cdr.Prev[0]); |
1712 | tmpp[1] = btoi(cdr.Prev[1]); | |
1713 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1714 | cdr.Prev[0]++; |
73b29eeb | 1715 | ReadTrack(tmpp); |
fffad32e | 1716 | |
1717 | if (cdr.Play) { | |
55b8460a | 1718 | if (cdr.freeze_ver < 0x63647202) |
1719 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1720 | ||
fffad32e | 1721 | Find_CurTrack(cdr.SetSectorPlay); |
1722 | if (!Config.Cdda) | |
2e88c317 | 1723 | CDR_play(cdr.SetSectorPlay); |
fffad32e | 1724 | } |
c69642c8 | 1725 | |
1726 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1727 | // old versions did not latch Reg2, have to fixup.. | |
1728 | if (cdr.Reg2 == 0) { | |
1729 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1730 | cdr.Reg2 = 7; | |
1731 | } | |
0f2dee0f | 1732 | // also did not save Attenuator.. |
1733 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1734 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1735 | { | |
1736 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1737 | } | |
c69642c8 | 1738 | } |
42f3c512 | 1739 | } |
1740 | ||
ef79bbde P |
1741 | return 0; |
1742 | } | |
9f8b032d | 1743 | |
28eea6ac | 1744 | void LidInterrupt(void) { |
fffad32e | 1745 | getCdInfo(); |
80f91a20 | 1746 | cdrLidSeekInterrupt(); |
9f8b032d | 1747 | } |