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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
22bbabf6 | 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
18 | ***************************************************************************/ |
19 | ||
22bbabf6 | 20 | /* |
ef79bbde P |
21 | * Handles all CD-ROM registers and functions. |
22 | */ | |
23 | ||
0eacae49 | 24 | #include <assert.h> |
ef79bbde | 25 | #include "cdrom.h" |
584fc319 | 26 | #include "misc.h" |
ef79bbde | 27 | #include "ppf.h" |
9f8b032d | 28 | #include "psxdma.h" |
c6a249e3 | 29 | #include "psxevents.h" |
8f2bb0cb | 30 | #include "arm_features.h" |
ef79bbde | 31 | |
8b380e97 | 32 | /* logging */ |
33 | #if 0 | |
34 | #define CDR_LOG SysPrintf | |
35 | #else | |
36 | #define CDR_LOG(...) | |
37 | #endif | |
38 | #if 0 | |
39 | #define CDR_LOG_I SysPrintf | |
40 | #else | |
4d74a45a | 41 | #define CDR_LOG_I(fmt, ...) \ |
42 | log_unhandled("%u cdrom: " fmt, psxRegs.cycle, ##__VA_ARGS__) | |
8b380e97 | 43 | #endif |
44 | #if 0 | |
45 | #define CDR_LOG_IO SysPrintf | |
46 | #else | |
47 | #define CDR_LOG_IO(...) | |
48 | #endif | |
49 | //#define CDR_LOG_CMD_IRQ | |
50 | ||
e7acd858 | 51 | static struct { |
5c96969c | 52 | // unused members maintain savesate compatibility |
53 | unsigned char unused0; | |
54 | unsigned char unused1; | |
e7acd858 | 55 | unsigned char Reg2; |
5c96969c | 56 | unsigned char unused2; |
e7acd858 | 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; | |
bbcd0c29 | 70 | unsigned char ReportDelay; |
b524c671 | 71 | unsigned char unused3; |
72 | unsigned short sectorsRead; | |
e7acd858 | 73 | unsigned int freeze_ver; |
74 | ||
75 | unsigned char Prev[4]; | |
76 | unsigned char Param[8]; | |
77 | unsigned char Result[16]; | |
78 | ||
79 | unsigned char ParamC; | |
80 | unsigned char ParamP; | |
81 | unsigned char ResultC; | |
82 | unsigned char ResultP; | |
83 | unsigned char ResultReady; | |
84 | unsigned char Cmd; | |
0eacae49 | 85 | unsigned char SubqForwardSectors; |
e7acd858 | 86 | unsigned char SetlocPending; |
87 | u32 Reading; | |
88 | ||
89 | unsigned char ResultTN[6]; | |
90 | unsigned char ResultTD[4]; | |
91 | unsigned char SetSectorPlay[4]; | |
92 | unsigned char SetSectorEnd[4]; | |
93 | unsigned char SetSector[4]; | |
94 | unsigned char Track; | |
95 | boolean Play, Muted; | |
96 | int CurTrack; | |
97 | int Mode, File, Channel; | |
3c2583a6 | 98 | unsigned char LocL[8]; |
e7acd858 | 99 | int FirstSector; |
100 | ||
101 | xa_decode_t Xa; | |
102 | ||
e411faef | 103 | u16 FifoOffset; |
104 | u16 FifoSize; | |
e7acd858 | 105 | |
5c96969c | 106 | u16 CmdInProgress; |
f55c59b7 | 107 | u8 Irq1Pending; |
108 | u8 unused5; | |
3b8815fb | 109 | u32 LastReadSeekCycles; |
e7acd858 | 110 | |
5c96969c | 111 | u8 unused7; |
e7acd858 | 112 | |
113 | u8 DriveState; | |
114 | u8 FastForward; | |
115 | u8 FastBackward; | |
14c8b56a | 116 | u8 errorRetryhack; |
e7acd858 | 117 | |
118 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
119 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
120 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
121 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
122 | } cdr; | |
66425c25 | 123 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
124 | |
125 | /* CD-ROM magic numbers */ | |
2e88c317 | 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 | |
8399ca33 | 136 | #define CdlReset 10 |
ef79bbde P |
137 | #define CdlMute 11 |
138 | #define CdlDemute 12 | |
139 | #define CdlSetfilter 13 | |
140 | #define CdlSetmode 14 | |
95465b97 | 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 | |
8399ca33 | 154 | #define CdlInit 28 |
e4268a49 | 155 | #define CdlGetQ 29 |
ef79bbde P |
156 | #define CdlReadToc 30 |
157 | ||
e7acd858 | 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", | |
2e88c317 | 162 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 163 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
164 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
165 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
166 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 167 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 168 | }; |
e7acd858 | 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 | |
202 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
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 | |
9f8b032d | 210 | |
ef79bbde P |
211 | // 1x = 75 sectors per second |
212 | // PSXCLK = 1 sec in the ps | |
213 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
214 | #define cdReadTime (PSXCLK / 75) | |
215 | ||
3c2583a6 | 216 | #define LOCL_INVALID 0xff |
0eacae49 | 217 | #define SUBQ_FORWARD_SECTORS 2u |
3c2583a6 | 218 | |
80f91a20 | 219 | enum drive_state { |
05e5c298 | 220 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 221 | DRIVESTATE_LID_OPEN, |
222 | DRIVESTATE_RESCAN_CD, | |
223 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 224 | DRIVESTATE_STOPPED, |
80f91a20 | 225 | }; |
226 | ||
ef79bbde | 227 | static struct CdrStat stat; |
ef79bbde | 228 | |
fffad32e | 229 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 230 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
231 | } | |
232 | ||
fffad32e | 233 | // for that weird psemu API.. |
234 | static unsigned int fsm2sec(const u8 *msf) { | |
235 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
236 | } | |
237 | ||
305c8c93 | 238 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 239 | msf[0] = s / 75 / 60; |
240 | s = s - msf[0] * 75 * 60; | |
241 | msf[1] = s / 75; | |
242 | s = s - msf[1] * 75; | |
243 | msf[2] = s; | |
244 | } | |
245 | ||
c4e62180 | 246 | // cdrPlayReadInterrupt |
247 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
9a1338bc | 248 | u32 e_ = eCycle; \ |
d28b54b1 | 249 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 250 | if (isFirst) \ |
251 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
252 | else \ | |
253 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
254 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
c6a249e3 | 255 | set_event_raw_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ |
9f8b032d | 256 | } |
257 | ||
ef79bbde | 258 | #define StopReading() { \ |
05e5c298 | 259 | cdr.Reading = 0; \ |
260 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
261 | } |
262 | ||
263 | #define StopCdda() { \ | |
05e5c298 | 264 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
265 | cdr.Play = FALSE; \ | |
266 | cdr.FastForward = 0; \ | |
267 | cdr.FastBackward = 0; \ | |
268 | } | |
269 | ||
270 | #define SetPlaySeekRead(x, f) { \ | |
271 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
272 | x |= f; \ | |
ef79bbde P |
273 | } |
274 | ||
275 | #define SetResultSize(size) { \ | |
94c118c3 | 276 | cdr.ResultP = 0; \ |
ef79bbde P |
277 | cdr.ResultC = size; \ |
278 | cdr.ResultReady = 1; \ | |
279 | } | |
280 | ||
e7acd858 | 281 | static void setIrq(int log_cmd) |
94c118c3 | 282 | { |
283 | if (cdr.Stat & cdr.Reg2) | |
284 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 285 | |
286 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 287 | if (cdr.Stat) |
e7acd858 | 288 | { |
289 | int i; | |
4d74a45a | 290 | CDR_LOG_I("CDR IRQ=%d cmd %02x stat %02x: ", |
291 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
e7acd858 | 292 | for (i = 0; i < cdr.ResultC; i++) |
293 | SysPrintf("%02x ", cdr.Result[i]); | |
294 | SysPrintf("\n"); | |
295 | } | |
296 | #endif | |
94c118c3 | 297 | } |
9f8b032d | 298 | |
80f91a20 | 299 | // timing used in this function was taken from tests on real hardware |
300 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 301 | void cdrLidSeekInterrupt(void) |
9f8b032d | 302 | { |
4d74a45a | 303 | CDR_LOG_I("%s cdr.DriveState=%d\n", __func__, cdr.DriveState); |
b4638ad9 | 304 | |
80f91a20 | 305 | switch (cdr.DriveState) { |
306 | default: | |
307 | case DRIVESTATE_STANDBY: | |
05e5c298 | 308 | StopCdda(); |
309 | StopReading(); | |
310 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 311 | |
80f91a20 | 312 | if (CDR_getStatus(&stat) == -1) |
313 | return; | |
9f8b032d | 314 | |
80f91a20 | 315 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 316 | { |
48e85d1b | 317 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 318 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
c6a249e3 | 319 | set_event(PSXINT_CDRLID, 0x800); |
80f91a20 | 320 | } |
321 | break; | |
9f8b032d | 322 | |
80f91a20 | 323 | case DRIVESTATE_LID_OPEN: |
324 | if (CDR_getStatus(&stat) == -1) | |
325 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 326 | |
80f91a20 | 327 | // 02, 12, 10 |
328 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 329 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 330 | |
80f91a20 | 331 | // could generate error irq here, but real hardware |
332 | // only sometimes does that | |
333 | // (not done when lots of commands are sent?) | |
9f8b032d | 334 | |
c6a249e3 | 335 | set_event(PSXINT_CDRLID, cdReadTime * 30); |
80f91a20 | 336 | break; |
9f8b032d | 337 | } |
80f91a20 | 338 | else if (cdr.StatP & STATUS_ROTATING) { |
339 | cdr.StatP &= ~STATUS_ROTATING; | |
340 | } | |
341 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
342 | // closed now | |
343 | CheckCdrom(); | |
9f8b032d | 344 | |
80f91a20 | 345 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
346 | // and is only cleared by CdlNop | |
9f8b032d | 347 | |
80f91a20 | 348 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
c6a249e3 | 349 | set_event(PSXINT_CDRLID, cdReadTime * 105); |
80f91a20 | 350 | break; |
351 | } | |
9f8b032d | 352 | |
80f91a20 | 353 | // recheck for close |
c6a249e3 | 354 | set_event(PSXINT_CDRLID, cdReadTime * 3); |
80f91a20 | 355 | break; |
9f8b032d | 356 | |
80f91a20 | 357 | case DRIVESTATE_RESCAN_CD: |
358 | cdr.StatP |= STATUS_ROTATING; | |
359 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 360 | |
80f91a20 | 361 | // this is very long on real hardware, over 6 seconds |
362 | // make it a bit faster here... | |
c6a249e3 | 363 | set_event(PSXINT_CDRLID, cdReadTime * 150); |
80f91a20 | 364 | break; |
9f8b032d | 365 | |
80f91a20 | 366 | case DRIVESTATE_PREPARE_CD: |
b4638ad9 | 367 | if (cdr.StatP & STATUS_SEEK) { |
368 | SetPlaySeekRead(cdr.StatP, 0); | |
369 | cdr.DriveState = DRIVESTATE_STANDBY; | |
370 | } | |
371 | else { | |
372 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
c6a249e3 | 373 | set_event(PSXINT_CDRLID, cdReadTime * 26); |
b4638ad9 | 374 | } |
80f91a20 | 375 | break; |
9f8b032d | 376 | } |
377 | } | |
378 | ||
fffad32e | 379 | static void Find_CurTrack(const u8 *time) |
380 | { | |
381 | int current, sect; | |
9f8b032d | 382 | |
fffad32e | 383 | current = msf2sec(time); |
9f8b032d | 384 | |
fffad32e | 385 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
386 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
387 | sect = fsm2sec(cdr.ResultTD); | |
388 | if (sect - current >= 150) | |
9f8b032d | 389 | break; |
9f8b032d | 390 | } |
391 | } | |
392 | ||
73b29eeb | 393 | static void generate_subq(const u8 *time) |
394 | { | |
395 | unsigned char start[3], next[3]; | |
396 | unsigned int this_s, start_s, next_s, pregap; | |
397 | int relative_s; | |
398 | ||
399 | CDR_getTD(cdr.CurTrack, start); | |
400 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
401 | pregap = 150; | |
402 | CDR_getTD(cdr.CurTrack + 1, next); | |
403 | } | |
404 | else { | |
405 | // last track - cd size | |
406 | pregap = 0; | |
407 | next[0] = cdr.SetSectorEnd[2]; | |
408 | next[1] = cdr.SetSectorEnd[1]; | |
409 | next[2] = cdr.SetSectorEnd[0]; | |
410 | } | |
411 | ||
412 | this_s = msf2sec(time); | |
413 | start_s = fsm2sec(start); | |
414 | next_s = fsm2sec(next); | |
415 | ||
416 | cdr.TrackChanged = FALSE; | |
417 | ||
418 | if (next_s - this_s < pregap) { | |
419 | cdr.TrackChanged = TRUE; | |
420 | cdr.CurTrack++; | |
421 | start_s = next_s; | |
422 | } | |
423 | ||
424 | cdr.subq.Index = 1; | |
425 | ||
426 | relative_s = this_s - start_s; | |
427 | if (relative_s < 0) { | |
428 | cdr.subq.Index = 0; | |
429 | relative_s = -relative_s; | |
430 | } | |
431 | sec2msf(relative_s, cdr.subq.Relative); | |
432 | ||
433 | cdr.subq.Track = itob(cdr.CurTrack); | |
434 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
435 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
436 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
437 | cdr.subq.Absolute[0] = itob(time[0]); | |
438 | cdr.subq.Absolute[1] = itob(time[1]); | |
439 | cdr.subq.Absolute[2] = itob(time[2]); | |
440 | } | |
441 | ||
0eacae49 | 442 | static int ReadTrack(const u8 *time) |
443 | { | |
fffad32e | 444 | unsigned char tmp[3]; |
3c2583a6 | 445 | int read_ok; |
ef79bbde | 446 | |
fffad32e | 447 | tmp[0] = itob(time[0]); |
448 | tmp[1] = itob(time[1]); | |
449 | tmp[2] = itob(time[2]); | |
ef79bbde | 450 | |
fffad32e | 451 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
3c2583a6 | 452 | return 1; |
39df67df | 453 | |
fffad32e | 454 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 455 | |
3c2583a6 | 456 | read_ok = CDR_readTrack(tmp); |
1f665cdd | 457 | if (read_ok) |
458 | memcpy(cdr.Prev, tmp, 3); | |
0eacae49 | 459 | return read_ok; |
460 | } | |
461 | ||
462 | static void UpdateSubq(const u8 *time) | |
463 | { | |
464 | const struct SubQ *subq; | |
cdee2d81 | 465 | int s = MSF2SECT(time[0], time[1], time[2]); |
0eacae49 | 466 | u16 crc; |
9f8b032d | 467 | |
cdee2d81 | 468 | if (CheckSBI(s)) |
0eacae49 | 469 | return; |
9f8b032d | 470 | |
cdee2d81 | 471 | subq = (struct SubQ *)CDR_getBufferSub(s); |
73b29eeb | 472 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 473 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 474 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 475 | cdr.subq.Track = subq->TrackNumber; |
476 | cdr.subq.Index = subq->IndexNumber; | |
477 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
478 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 479 | } |
92ca1ba6 | 480 | else { |
0eacae49 | 481 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
482 | time[0], time[1], time[2]); | |
92ca1ba6 | 483 | } |
9f8b032d | 484 | } |
fffad32e | 485 | else { |
73b29eeb | 486 | generate_subq(time); |
9f8b032d | 487 | } |
9f8b032d | 488 | |
fffad32e | 489 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
490 | cdr.subq.Track, cdr.subq.Index, | |
491 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
492 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
493 | } | |
9f8b032d | 494 | |
7f457614 | 495 | static void cdrPlayInterrupt_Autopause() |
496 | { | |
66425c25 | 497 | u32 abs_lev_max = 0; |
498 | boolean abs_lev_chselect; | |
499 | u32 i; | |
500 | ||
fffad32e | 501 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 502 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 503 | |
504 | // Magic the Gathering | |
505 | // - looping territory cdda | |
506 | ||
507 | // ...? | |
508 | //cdr.ResultReady = 1; | |
509 | //cdr.Stat = DataReady; | |
510 | cdr.Stat = DataEnd; | |
f4a0ef36 | 511 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 512 | |
513 | StopCdda(); | |
05e5c298 | 514 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 515 | } |
bbcd0c29 | 516 | else if ((cdr.Mode & MODE_REPORT) && !cdr.ReportDelay && |
517 | ((cdr.subq.Absolute[2] & 0x0f) == 0 || cdr.FastForward || cdr.FastBackward)) | |
518 | { | |
fffad32e | 519 | cdr.Result[0] = cdr.StatP; |
520 | cdr.Result[1] = cdr.subq.Track; | |
521 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 522 | |
523 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
524 | ||
525 | /* 8 is a hack. For accuracy, it should be 588. */ | |
526 | for (i = 0; i < 8; i++) | |
527 | { | |
528 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
529 | } | |
530 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
531 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 532 | |
fffad32e | 533 | if (cdr.subq.Absolute[2] & 0x10) { |
534 | cdr.Result[3] = cdr.subq.Relative[0]; | |
535 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
536 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 537 | } |
fffad32e | 538 | else { |
539 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
540 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
541 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
542 | } | |
543 | ||
66425c25 | 544 | cdr.Result[6] = abs_lev_max >> 0; |
545 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 546 | |
547 | // Rayman: Logo freeze (resultready + dataready) | |
548 | cdr.ResultReady = 1; | |
549 | cdr.Stat = DataReady; | |
550 | ||
551 | SetResultSize(8); | |
f4a0ef36 | 552 | setIrq(0x1001); |
7f457614 | 553 | } |
bbcd0c29 | 554 | |
555 | if (cdr.ReportDelay) | |
556 | cdr.ReportDelay--; | |
7f457614 | 557 | } |
558 | ||
05e5c298 | 559 | static int cdrSeekTime(unsigned char *target) |
560 | { | |
1290ebe4 | 561 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
3b8815fb | 562 | int seekTime = abs(diff) * (cdReadTime / 2000); |
eab544ae | 563 | seekTime = MAX_VALUE(seekTime, 20000); |
564 | ||
565 | // need this stupidly long penalty or else Spyro2 intro desyncs | |
3b8815fb | 566 | if ((s32)(psxRegs.cycle - cdr.LastReadSeekCycles) > cdReadTime * 8) |
567 | seekTime += cdReadTime * 25; | |
eab544ae | 568 | |
569 | seekTime = MIN_VALUE(seekTime, PSXCLK * 2 / 3); | |
05e5c298 | 570 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); |
571 | return seekTime; | |
572 | } | |
573 | ||
fc7764f1 | 574 | static u32 cdrAlignTimingHack(u32 cycles) |
575 | { | |
576 | /* | |
577 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
578 | * The game has a bug where it issues some cdc commands from a low priority | |
579 | * vint handler, however there is a higher priority default bios handler | |
580 | * that acks the vint irq and returns, so game's handler is not reached | |
581 | * (see bios irq handler chains at e004 and the game's irq handling func | |
582 | * at 80036810). For the game to work, vint has to arrive after the bios | |
583 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
584 | * active), but before the game's handler loop reads I_STAT. The time | |
585 | * window for this is quite small (~1k cycles of so). Apparently this | |
586 | * somehow happens naturally on the real hardware. | |
d0d2939d | 587 | * |
588 | * Note: always enforcing this breaks other games like Crash PAL version | |
589 | * (inputs get dropped because bios handler doesn't see interrupts). | |
fc7764f1 | 590 | */ |
d0d2939d | 591 | u32 vint_rel; |
592 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
593 | return cycles; | |
594 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
fc7764f1 | 595 | vint_rel += PSXCLK / 60; |
596 | while ((s32)(vint_rel - cycles) < 0) | |
597 | vint_rel += PSXCLK / 60; | |
598 | return vint_rel; | |
599 | } | |
600 | ||
4d384ca8 | 601 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 602 | static void cdrReadInterrupt(void); |
3e629be9 | 603 | static void cdrPrepCdda(s16 *buf, int samples); |
604 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 605 | |
0eacae49 | 606 | static void msfiAdd(u8 *msfi, u32 count) |
607 | { | |
608 | assert(count < 75); | |
609 | msfi[2] += count; | |
610 | if (msfi[2] >= 75) { | |
611 | msfi[2] -= 75; | |
612 | msfi[1]++; | |
613 | if (msfi[1] == 60) { | |
614 | msfi[1] = 0; | |
615 | msfi[0]++; | |
616 | } | |
617 | } | |
618 | } | |
619 | ||
b524c671 | 620 | static void msfiSub(u8 *msfi, u32 count) |
621 | { | |
622 | assert(count < 75); | |
623 | msfi[2] -= count; | |
624 | if ((s8)msfi[2] < 0) { | |
625 | msfi[2] += 75; | |
626 | msfi[1]--; | |
627 | if ((s8)msfi[1] < 0) { | |
628 | msfi[1] = 60; | |
629 | msfi[0]--; | |
630 | } | |
631 | } | |
632 | } | |
633 | ||
c4e62180 | 634 | void cdrPlayReadInterrupt(void) |
7f457614 | 635 | { |
3b8815fb | 636 | cdr.LastReadSeekCycles = psxRegs.cycle; |
eab544ae | 637 | |
28eea6ac | 638 | if (cdr.Reading) { |
639 | cdrReadInterrupt(); | |
640 | return; | |
641 | } | |
642 | ||
39df67df | 643 | if (!cdr.Play) return; |
7f457614 | 644 | |
7f457614 | 645 | CDR_LOG( "CDDA - %d:%d:%d\n", |
646 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 647 | |
28eea6ac | 648 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 649 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
650 | StopCdda(); | |
05e5c298 | 651 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 652 | cdr.TrackChanged = TRUE; |
653 | } | |
084b0f31 | 654 | else { |
655 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
656 | } | |
7f457614 | 657 | |
5c96969c | 658 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 659 | cdrPlayInterrupt_Autopause(); |
660 | ||
cdaef86c | 661 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 662 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 663 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 664 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
665 | cdr.FirstSector = 0; | |
66425c25 | 666 | } |
fffad32e | 667 | |
0eacae49 | 668 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 669 | |
fffad32e | 670 | // update for CdlGetlocP/autopause |
73b29eeb | 671 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 672 | |
c4e62180 | 673 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 674 | } |
675 | ||
f4a0ef36 | 676 | #define CMD_PART2 0x100 |
677 | #define CMD_WHILE_NOT_READY 0x200 | |
678 | ||
28eea6ac | 679 | void cdrInterrupt(void) { |
e4268a49 | 680 | int start_rotating = 0; |
681 | int error = 0; | |
fc7764f1 | 682 | u32 cycles, seekTime = 0; |
5c96969c | 683 | u32 second_resp_time = 0; |
3c2583a6 | 684 | const void *buf; |
5c96969c | 685 | u8 ParamC; |
115d0459 | 686 | u8 set_loc[3]; |
3c2583a6 | 687 | int read_ok; |
f4a0ef36 | 688 | u16 not_ready = 0; |
5c96969c | 689 | u16 Cmd; |
115d0459 | 690 | int i; |
ef79bbde P |
691 | |
692 | if (cdr.Stat) { | |
4d74a45a | 693 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
694 | cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
695 | return; |
696 | } | |
4d384ca8 | 697 | if (cdr.Irq1Pending) { |
698 | // hand out the "newest" sector, according to nocash | |
699 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
4d74a45a | 700 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
701 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
702 | cdr.CmdInProgress, cdr.Irq1Pending); | |
4d384ca8 | 703 | SetResultSize(1); |
704 | cdr.Result[0] = cdr.Irq1Pending; | |
705 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
706 | cdr.Irq1Pending = 0; | |
f4a0ef36 | 707 | setIrq(0x1003); |
4d384ca8 | 708 | return; |
709 | } | |
ef79bbde | 710 | |
e4268a49 | 711 | // default response |
712 | SetResultSize(1); | |
713 | cdr.Result[0] = cdr.StatP; | |
714 | cdr.Stat = Acknowledge; | |
715 | ||
5c96969c | 716 | Cmd = cdr.CmdInProgress; |
717 | cdr.CmdInProgress = 0; | |
718 | ParamC = cdr.ParamC; | |
e4268a49 | 719 | |
5c96969c | 720 | if (Cmd < 0x100) { |
f4a0ef36 | 721 | cdr.Ctrl &= ~0x80; |
5c96969c | 722 | cdr.ParamC = 0; |
f4a0ef36 | 723 | cdr.Cmd = 0; |
724 | } | |
725 | ||
726 | switch (cdr.DriveState) { | |
b4638ad9 | 727 | case DRIVESTATE_PREPARE_CD: |
728 | if (Cmd > 2) { | |
729 | // Syphon filter 2 expects commands to work shortly after it sees | |
730 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
731 | cdr.DriveState = DRIVESTATE_STANDBY; | |
732 | cdr.StatP &= ~STATUS_SEEK; | |
733 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
734 | break; | |
735 | } | |
736 | // fallthrough | |
f4a0ef36 | 737 | case DRIVESTATE_LID_OPEN: |
738 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 739 | // no disk or busy with the initial scan, allowed cmds are limited |
740 | not_ready = CMD_WHILE_NOT_READY; | |
741 | break; | |
5c96969c | 742 | } |
e4268a49 | 743 | |
f4a0ef36 | 744 | switch (Cmd | not_ready) { |
ef79bbde | 745 | case CdlNop: |
f4a0ef36 | 746 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 747 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
748 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
749 | break; |
750 | ||
751 | case CdlSetloc: | |
f4a0ef36 | 752 | case CdlSetloc + CMD_WHILE_NOT_READY: |
115d0459 | 753 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
754 | ||
755 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
756 | 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)) | |
757 | { | |
ab88c81f | 758 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
14c8b56a | 759 | if (++cdr.errorRetryhack > 100) |
760 | break; | |
115d0459 | 761 | error = ERROR_INVALIDARG; |
762 | goto set_error; | |
763 | } | |
764 | else | |
765 | { | |
766 | for (i = 0; i < 3; i++) | |
115d0459 | 767 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 768 | memcpy(cdr.SetSector, set_loc, 3); |
769 | cdr.SetSector[3] = 0; | |
770 | cdr.SetlocPending = 1; | |
14c8b56a | 771 | cdr.errorRetryhack = 0; |
115d0459 | 772 | } |
ef79bbde P |
773 | break; |
774 | ||
55b8460a | 775 | do_CdlPlay: |
ef79bbde | 776 | case CdlPlay: |
030bd76a | 777 | StopCdda(); |
05e5c298 | 778 | StopReading(); |
779 | ||
d2e271b2 | 780 | cdr.FastBackward = 0; |
781 | cdr.FastForward = 0; | |
782 | ||
2d5ca6c0 | 783 | // BIOS CD Player |
784 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
785 | ||
5c96969c | 786 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 787 | int track = btoi( cdr.Param[0] ); |
788 | ||
789 | if (track <= cdr.ResultTN[1]) | |
790 | cdr.CurTrack = track; | |
791 | ||
792 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
793 | ||
794 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 795 | for (i = 0; i < 3; i++) |
796 | set_loc[i] = cdr.ResultTD[2 - i]; | |
797 | seekTime = cdrSeekTime(set_loc); | |
798 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 799 | } |
800 | } | |
05e5c298 | 801 | else if (cdr.SetlocPending) { |
802 | seekTime = cdrSeekTime(cdr.SetSector); | |
803 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
804 | } | |
805 | else { | |
806 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
807 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
808 | } | |
809 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 810 | |
9f8b032d | 811 | /* |
812 | Rayman: detect track changes | |
813 | - fixes logo freeze | |
814 | ||
815 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
816 | - plays tracks without retry play | |
817 | ||
818 | Wild 9: skip PREGAP + starting accurate SubQ | |
819 | - plays tracks without retry play | |
820 | */ | |
fffad32e | 821 | Find_CurTrack(cdr.SetSectorPlay); |
0eacae49 | 822 | generate_subq(cdr.SetSectorPlay); |
3c2583a6 | 823 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 824 | cdr.SubqForwardSectors = 1; |
fffad32e | 825 | cdr.TrackChanged = FALSE; |
cdaef86c | 826 | cdr.FirstSector = 1; |
bbcd0c29 | 827 | cdr.ReportDelay = 60; |
b524c671 | 828 | cdr.sectorsRead = 0; |
9f8b032d | 829 | |
2d5ca6c0 | 830 | if (!Config.Cdda) |
2e88c317 | 831 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 832 | |
05e5c298 | 833 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 834 | |
835 | // BIOS player - set flag again | |
836 | cdr.Play = TRUE; | |
837 | ||
c4e62180 | 838 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 839 | start_rotating = 1; |
ef79bbde P |
840 | break; |
841 | ||
9f8b032d | 842 | case CdlForward: |
e4268a49 | 843 | // TODO: error 80 if stopped |
9f8b032d | 844 | cdr.Stat = Complete; |
2e88c317 | 845 | |
9f8b032d | 846 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 847 | cdr.FastForward = 1; |
9f8b032d | 848 | cdr.FastBackward = 0; |
ef79bbde P |
849 | break; |
850 | ||
9f8b032d | 851 | case CdlBackward: |
9f8b032d | 852 | cdr.Stat = Complete; |
853 | ||
9f8b032d | 854 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 855 | cdr.FastBackward = 1; |
9f8b032d | 856 | cdr.FastForward = 0; |
ef79bbde P |
857 | break; |
858 | ||
9f8b032d | 859 | case CdlStandby: |
e4268a49 | 860 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
861 | error = ERROR_INVALIDARG; | |
862 | goto set_error; | |
863 | } | |
5c96969c | 864 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 865 | start_rotating = 1; |
866 | break; | |
867 | ||
f4a0ef36 | 868 | case CdlStandby + CMD_PART2: |
ef79bbde P |
869 | cdr.Stat = Complete; |
870 | break; | |
871 | ||
872 | case CdlStop: | |
030bd76a | 873 | if (cdr.Play) { |
874 | // grab time for current track | |
875 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
876 | ||
877 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
878 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
879 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
880 | } | |
881 | ||
882 | StopCdda(); | |
883 | StopReading(); | |
05e5c298 | 884 | SetPlaySeekRead(cdr.StatP, 0); |
885 | cdr.StatP &= ~STATUS_ROTATING; | |
3c2583a6 | 886 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 887 | |
5c96969c | 888 | second_resp_time = 0x800; |
e4268a49 | 889 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 890 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 891 | |
892 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 893 | break; |
894 | ||
f4a0ef36 | 895 | case CdlStop + CMD_PART2: |
ef79bbde | 896 | cdr.Stat = Complete; |
ef79bbde P |
897 | break; |
898 | ||
899 | case CdlPause: | |
05e5c298 | 900 | StopCdda(); |
901 | StopReading(); | |
b524c671 | 902 | |
903 | // how the drive maintains the position while paused is quite | |
904 | // complicated, this is the minimum to make "Bedlam" happy | |
905 | msfiSub(cdr.SetSectorPlay, MIN_VALUE(cdr.sectorsRead, 4)); | |
906 | cdr.sectorsRead = 0; | |
907 | ||
12228917 | 908 | /* |
909 | Gundam Battle Assault 2: much slower (*) | |
910 | - Fixes boot, gameplay | |
2e88c317 | 911 | |
12228917 | 912 | Hokuto no Ken 2: slower |
913 | - Fixes intro + subtitles | |
2e88c317 | 914 | |
12228917 | 915 | InuYasha - Feudal Fairy Tale: slower |
916 | - Fixes battles | |
917 | */ | |
62018a94 | 918 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
919 | * The timings from Duckstation are based upon hardware tests. | |
920 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
921 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 922 | * */ |
05e5c298 | 923 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 924 | { |
5c96969c | 925 | second_resp_time = 7000; |
62018a94 | 926 | } |
927 | else | |
928 | { | |
eab544ae | 929 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 1 : 2) * 1097107); |
62018a94 | 930 | } |
05e5c298 | 931 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
932 | break; |
933 | ||
f4a0ef36 | 934 | case CdlPause + CMD_PART2: |
9f8b032d | 935 | cdr.Stat = Complete; |
ef79bbde P |
936 | break; |
937 | ||
8399ca33 | 938 | case CdlReset: |
f4a0ef36 | 939 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 940 | StopCdda(); |
941 | StopReading(); | |
942 | SetPlaySeekRead(cdr.StatP, 0); | |
3c2583a6 | 943 | cdr.LocL[0] = LOCL_INVALID; |
8399ca33 | 944 | cdr.Muted = FALSE; |
dfd4f48e | 945 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 946 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 947 | start_rotating = 1; |
948 | break; | |
949 | ||
f4a0ef36 | 950 | case CdlReset + CMD_PART2: |
951 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 952 | cdr.Stat = Complete; |
ef79bbde P |
953 | break; |
954 | ||
9f8b032d | 955 | case CdlMute: |
030bd76a | 956 | cdr.Muted = TRUE; |
ef79bbde P |
957 | break; |
958 | ||
9f8b032d | 959 | case CdlDemute: |
030bd76a | 960 | cdr.Muted = FALSE; |
ef79bbde P |
961 | break; |
962 | ||
9f8b032d | 963 | case CdlSetfilter: |
030bd76a | 964 | cdr.File = cdr.Param[0]; |
965 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 966 | break; |
ef79bbde P |
967 | |
968 | case CdlSetmode: | |
f4a0ef36 | 969 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 970 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
971 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 972 | break; |
ef79bbde | 973 | |
95465b97 | 974 | case CdlGetparam: |
f4a0ef36 | 975 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 976 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 977 | SetResultSize(5); |
9f8b032d | 978 | cdr.Result[1] = cdr.Mode; |
95465b97 | 979 | cdr.Result[2] = 0; |
980 | cdr.Result[3] = cdr.File; | |
981 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 982 | break; |
ef79bbde | 983 | |
9f8b032d | 984 | case CdlGetlocL: |
3c2583a6 | 985 | if (cdr.LocL[0] == LOCL_INVALID) { |
986 | error = 0x80; | |
987 | goto set_error; | |
988 | } | |
ef79bbde | 989 | SetResultSize(8); |
3c2583a6 | 990 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 991 | break; |
ef79bbde P |
992 | |
993 | case CdlGetlocP: | |
fffad32e | 994 | SetResultSize(8); |
995 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 996 | break; |
892bd7d4 | 997 | |
e4268a49 | 998 | case CdlReadT: // SetSession? |
999 | // really long | |
5c96969c | 1000 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 1001 | start_rotating = 1; |
1002 | break; | |
1003 | ||
f4a0ef36 | 1004 | case CdlReadT + CMD_PART2: |
e4268a49 | 1005 | cdr.Stat = Complete; |
ef79bbde P |
1006 | break; |
1007 | ||
9f8b032d | 1008 | case CdlGetTN: |
ef79bbde | 1009 | SetResultSize(3); |
9f8b032d | 1010 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 1011 | cdr.Stat = DiskError; |
9f8b032d | 1012 | cdr.Result[0] |= STATUS_ERROR; |
1013 | } else { | |
1014 | cdr.Stat = Acknowledge; | |
1015 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1016 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
1017 | } | |
1018 | break; | |
ef79bbde | 1019 | |
9f8b032d | 1020 | case CdlGetTD: |
ef79bbde P |
1021 | cdr.Track = btoi(cdr.Param[0]); |
1022 | SetResultSize(4); | |
ef79bbde P |
1023 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
1024 | cdr.Stat = DiskError; | |
9f8b032d | 1025 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1026 | } else { |
1027 | cdr.Stat = Acknowledge; | |
1028 | cdr.Result[0] = cdr.StatP; | |
1029 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1030 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 1031 | /* According to Nocash's documentation, the function doesn't care about ff. |
1032 | * This can be seen also in Mednafen's implementation. */ | |
1033 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1034 | } |
1035 | break; | |
1036 | ||
9f8b032d | 1037 | case CdlSeekL: |
39df67df | 1038 | case CdlSeekP: |
030bd76a | 1039 | StopCdda(); |
1040 | StopReading(); | |
c4e62180 | 1041 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1042 | |
05e5c298 | 1043 | seekTime = cdrSeekTime(cdr.SetSector); |
1044 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1045 | /* |
1046 | Crusaders of Might and Magic = 0.5x-4x | |
1047 | - fix cutscene speech start | |
1048 | ||
1049 | Eggs of Steel = 2x-? | |
1050 | - fix new game | |
1051 | ||
1052 | Medievil = ?-4x | |
1053 | - fix cutscene speech | |
1054 | ||
1055 | Rockman X5 = 0.5-4x | |
1056 | - fix capcom logo | |
1057 | */ | |
c4e62180 | 1058 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1059 | start_rotating = 1; |
ef79bbde P |
1060 | break; |
1061 | ||
c4e62180 | 1062 | case CdlSeekL + CMD_PART2: |
1063 | case CdlSeekP + CMD_PART2: | |
1064 | SetPlaySeekRead(cdr.StatP, 0); | |
5b406fd9 | 1065 | cdr.Result[0] = cdr.StatP; |
c4e62180 | 1066 | cdr.Stat = Complete; |
1067 | ||
1068 | Find_CurTrack(cdr.SetSectorPlay); | |
3c2583a6 | 1069 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1070 | if (read_ok && (buf = CDR_getBuffer())) | |
1071 | memcpy(cdr.LocL, buf, 8); | |
0eacae49 | 1072 | UpdateSubq(cdr.SetSectorPlay); |
c4e62180 | 1073 | cdr.TrackChanged = FALSE; |
3b8815fb | 1074 | cdr.LastReadSeekCycles = psxRegs.cycle; |
c4e62180 | 1075 | break; |
1076 | ||
ef79bbde | 1077 | case CdlTest: |
f4a0ef36 | 1078 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1079 | switch (cdr.Param[0]) { |
1080 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1081 | SetResultSize(4); |
1082 | memcpy(cdr.Result, Test20, 4); | |
1083 | break; | |
1084 | case 0x22: | |
1085 | SetResultSize(8); | |
1086 | memcpy(cdr.Result, Test22, 4); | |
1087 | break; | |
1088 | case 0x23: case 0x24: | |
1089 | SetResultSize(8); | |
1090 | memcpy(cdr.Result, Test23, 4); | |
1091 | break; | |
9f8b032d | 1092 | } |
ef79bbde P |
1093 | break; |
1094 | ||
9f8b032d | 1095 | case CdlID: |
5c96969c | 1096 | second_resp_time = 20480; |
ef79bbde P |
1097 | break; |
1098 | ||
f4a0ef36 | 1099 | case CdlID + CMD_PART2: |
ef79bbde | 1100 | SetResultSize(8); |
89ec56af | 1101 | cdr.Result[0] = cdr.StatP; |
1102 | cdr.Result[1] = 0; | |
1103 | cdr.Result[2] = 0; | |
1104 | cdr.Result[3] = 0; | |
9f8b032d | 1105 | |
d8432250 | 1106 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1107 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1108 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1109 | } |
1110 | else { | |
89ec56af | 1111 | if (stat.Type == 2) |
1112 | cdr.Result[1] |= 0x10; | |
1113 | if (CdromId[0] == '\0') | |
9f8b032d | 1114 | cdr.Result[1] |= 0x80; |
9f8b032d | 1115 | } |
89ec56af | 1116 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1117 | |
3e42b115 | 1118 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1119 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1120 | cdr.Stat = Complete; |
1121 | break; | |
1122 | ||
8399ca33 | 1123 | case CdlInit: |
f4a0ef36 | 1124 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1125 | StopCdda(); |
1126 | StopReading(); | |
1127 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1128 | // yes, it really sets STATUS_SHELLOPEN |
1129 | cdr.StatP |= STATUS_SHELLOPEN; | |
1130 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
c6a249e3 | 1131 | set_event(PSXINT_CDRLID, 20480); |
e4268a49 | 1132 | start_rotating = 1; |
9f8b032d | 1133 | break; |
1134 | ||
e4268a49 | 1135 | case CdlGetQ: |
f4a0ef36 | 1136 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1137 | break; |
1138 | ||
1139 | case CdlReadToc: | |
f4a0ef36 | 1140 | case CdlReadToc + CMD_WHILE_NOT_READY: |
3c2583a6 | 1141 | cdr.LocL[0] = LOCL_INVALID; |
5c96969c | 1142 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1143 | start_rotating = 1; |
ef79bbde P |
1144 | break; |
1145 | ||
f4a0ef36 | 1146 | case CdlReadToc + CMD_PART2: |
1147 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1148 | cdr.Stat = Complete; |
ef79bbde P |
1149 | break; |
1150 | ||
94c118c3 | 1151 | case CdlReadN: |
1152 | case CdlReadS: | |
ab88c81f | 1153 | if (cdr.Reading && !cdr.SetlocPending) |
1154 | break; | |
1155 | ||
05e5c298 | 1156 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1157 | |
1158 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1159 | // Read* acts as play for cdda tracks in cdda mode | |
1160 | goto do_CdlPlay; | |
1161 | ||
05e5c298 | 1162 | StopCdda(); |
1163 | if (cdr.SetlocPending) { | |
1164 | seekTime = cdrSeekTime(cdr.SetSector); | |
1165 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1166 | cdr.SetlocPending = 0; | |
1167 | } | |
030bd76a | 1168 | cdr.Reading = 1; |
1169 | cdr.FirstSector = 1; | |
ef79bbde | 1170 | |
9f8b032d | 1171 | // Fighting Force 2 - update subq time immediately |
1172 | // - fixes new game | |
0eacae49 | 1173 | UpdateSubq(cdr.SetSectorPlay); |
3c2583a6 | 1174 | cdr.LocL[0] = LOCL_INVALID; |
0eacae49 | 1175 | cdr.SubqForwardSectors = 1; |
b524c671 | 1176 | cdr.sectorsRead = 0; |
9f8b032d | 1177 | |
dfd4f48e | 1178 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
fc7764f1 | 1179 | cycles += seekTime; |
d0d2939d | 1180 | if (Config.hacks.cdr_read_timing) |
1181 | cycles = cdrAlignTimingHack(cycles); | |
fc7764f1 | 1182 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1183 | |
05e5c298 | 1184 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1185 | start_rotating = 1; |
ef79bbde | 1186 | break; |
3c2583a6 | 1187 | |
f96ca921 | 1188 | case CdlSync: |
ef79bbde | 1189 | default: |
e4268a49 | 1190 | error = ERROR_INVALIDCMD; |
1191 | // FALLTHROUGH | |
1192 | ||
1193 | set_error: | |
4d74a45a | 1194 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1195 | SetResultSize(2); |
1196 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
f4a0ef36 | 1197 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1198 | cdr.Stat = DiskError; |
ef79bbde P |
1199 | break; |
1200 | } | |
1201 | ||
e4268a49 | 1202 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1203 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1204 | cdr.StatP |= STATUS_ROTATING; | |
1205 | } | |
1206 | ||
5c96969c | 1207 | if (second_resp_time) { |
1208 | cdr.CmdInProgress = Cmd | 0x100; | |
c6a249e3 | 1209 | set_event(PSXINT_CDR, second_resp_time); |
5c96969c | 1210 | } |
1211 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1212 | cdr.CmdInProgress = cdr.Cmd; | |
4d74a45a | 1213 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
5c96969c | 1214 | } |
1215 | ||
1216 | setIrq(Cmd); | |
ef79bbde P |
1217 | } |
1218 | ||
8f2bb0cb | 1219 | #ifdef HAVE_ARMV7 |
53598a71 | 1220 | #define ssat32_to_16(v) \ |
1221 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1222 | #else | |
1223 | #define ssat32_to_16(v) do { \ | |
1224 | if (v < -32768) v = -32768; \ | |
1225 | else if (v > 32767) v = 32767; \ | |
1226 | } while (0) | |
1227 | #endif | |
1228 | ||
3e629be9 | 1229 | static void cdrPrepCdda(s16 *buf, int samples) |
1230 | { | |
1231 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1232 | int i; | |
1233 | for (i = 0; i < samples; i++) { | |
1234 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1235 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1236 | } | |
1237 | #endif | |
1238 | } | |
1239 | ||
1240 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1241 | { |
1242 | int i, l, r; | |
1243 | int ll = cdr.AttenuatorLeftToLeft; | |
1244 | int lr = cdr.AttenuatorLeftToRight; | |
1245 | int rl = cdr.AttenuatorRightToLeft; | |
1246 | int rr = cdr.AttenuatorRightToRight; | |
1247 | ||
1248 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1249 | return; | |
1250 | ||
1251 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1252 | return; | |
1253 | ||
1254 | if (stereo) { | |
1255 | for (i = 0; i < samples; i++) { | |
1256 | l = buf[i * 2]; | |
1257 | r = buf[i * 2 + 1]; | |
1258 | l = (l * ll + r * rl) >> 7; | |
1259 | r = (r * rr + l * lr) >> 7; | |
1260 | ssat32_to_16(l); | |
1261 | ssat32_to_16(r); | |
1262 | buf[i * 2] = l; | |
1263 | buf[i * 2 + 1] = r; | |
1264 | } | |
1265 | } | |
1266 | else { | |
1267 | for (i = 0; i < samples; i++) { | |
1268 | l = buf[i]; | |
1269 | l = l * (ll + rl) >> 7; | |
1270 | //r = r * (rr + lr) >> 7; | |
1271 | ssat32_to_16(l); | |
1272 | //ssat32_to_16(r); | |
1273 | buf[i] = l; | |
1274 | } | |
1275 | } | |
1276 | } | |
1277 | ||
f55c59b7 | 1278 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1279 | { |
5c96969c | 1280 | if (cdr.Stat) { |
4d74a45a | 1281 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f55c59b7 | 1282 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
1283 | cdr.CmdInProgress, cdr.Stat); | |
1284 | cdr.Irq1Pending = result; | |
ef79bbde P |
1285 | return; |
1286 | } | |
ef79bbde | 1287 | SetResultSize(1); |
f55c59b7 | 1288 | cdr.Result[0] = result; |
1289 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
f4a0ef36 | 1290 | setIrq(0x1004); |
f55c59b7 | 1291 | } |
1292 | ||
1293 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1294 | { | |
1295 | if (!buf) | |
1296 | return; | |
1297 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1298 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
b524c671 | 1299 | CDR_LOG("cdr.Transfer %02x:%02x:%02x\n", |
1300 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1301 | if (cdr.FifoOffset < 2048 + 12) |
4d74a45a | 1302 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f55c59b7 | 1303 | } |
1304 | ||
1305 | static void cdrReadInterrupt(void) | |
1306 | { | |
1307 | u8 *buf = NULL, *hdr; | |
0eacae49 | 1308 | u8 subqPos[3]; |
3c2583a6 | 1309 | int read_ok; |
f55c59b7 | 1310 | |
0eacae49 | 1311 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1312 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1313 | UpdateSubq(subqPos); | |
1314 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1315 | cdr.SubqForwardSectors++; | |
1316 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1317 | return; | |
1318 | } | |
1319 | ||
e33e9f99 | 1320 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1321 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
b524c671 | 1322 | cdr.sectorsRead++; |
e33e9f99 | 1323 | |
3c2583a6 | 1324 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1325 | if (read_ok) | |
f55c59b7 | 1326 | buf = CDR_getBuffer(); |
ef79bbde | 1327 | if (buf == NULL) |
3c2583a6 | 1328 | read_ok = 0; |
ef79bbde | 1329 | |
3c2583a6 | 1330 | if (!read_ok) { |
8b380e97 | 1331 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f55c59b7 | 1332 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1333 | return; |
1334 | } | |
3c2583a6 | 1335 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1336 | |
792f1697 | 1337 | if (!cdr.Stat && !cdr.Irq1Pending) |
f55c59b7 | 1338 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1339 | |
9f8b032d | 1340 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1341 | hdr = buf + 4; |
9f8b032d | 1342 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1343 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1344 | cdr.File = hdr[0]; |
1345 | cdr.Channel = hdr[1]; | |
9f8b032d | 1346 | } |
1347 | ||
0e0ad585 | 1348 | /* Gameblabla |
1349 | * Skips playing on channel 255. | |
1350 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1351 | * TODO : Check if this is the proper behaviour. | |
1352 | * */ | |
f55c59b7 | 1353 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1354 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1355 | if (!ret) { |
53598a71 | 1356 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1357 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1358 | cdr.FirstSector = 0; |
1359 | } | |
1360 | else cdr.FirstSector = -1; | |
1361 | } | |
1362 | } | |
1363 | ||
f55c59b7 | 1364 | /* |
1365 | Croc 2: $40 - only FORM1 (*) | |
1366 | Judge Dredd: $C8 - only FORM1 (*) | |
1367 | Sim Theme Park - no adpcm at all (zero) | |
1368 | */ | |
1369 | ||
1370 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1371 | cdrReadInterruptSetResult(cdr.StatP); | |
1372 | ||
0eacae49 | 1373 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1374 | |
c4e62180 | 1375 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1376 | } |
9f8b032d | 1377 | |
ef79bbde P |
1378 | /* |
1379 | cdrRead0: | |
94c118c3 | 1380 | bit 0,1 - mode |
ef79bbde P |
1381 | bit 2 - unknown |
1382 | bit 3 - unknown | |
1383 | bit 4 - unknown | |
1384 | bit 5 - 1 result ready | |
1385 | bit 6 - 1 dma ready | |
1386 | bit 7 - 1 command being processed | |
1387 | */ | |
1388 | ||
1389 | unsigned char cdrRead0(void) { | |
1390 | if (cdr.ResultReady) | |
1391 | cdr.Ctrl |= 0x20; | |
1392 | else | |
1393 | cdr.Ctrl &= ~0x20; | |
1394 | ||
5c96969c | 1395 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1396 | |
1397 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1398 | cdr.Ctrl |= 0x18; | |
1399 | ||
e7acd858 | 1400 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1401 | |
1402 | return psxHu8(0x1800) = cdr.Ctrl; | |
1403 | } | |
1404 | ||
ef79bbde | 1405 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1406 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1407 | |
50b13be9 | 1408 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1409 | } |
1410 | ||
1411 | unsigned char cdrRead1(void) { | |
94c118c3 | 1412 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1413 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1414 | else |
ef79bbde | 1415 | psxHu8(0x1801) = 0; |
94c118c3 | 1416 | cdr.ResultP++; |
1417 | if (cdr.ResultP == cdr.ResultC) | |
1418 | cdr.ResultReady = 0; | |
1419 | ||
e7acd858 | 1420 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1421 | |
ef79bbde P |
1422 | return psxHu8(0x1801); |
1423 | } | |
1424 | ||
1425 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1426 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1427 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1428 | |
94c118c3 | 1429 | switch (cdr.Ctrl & 3) { |
1430 | case 0: | |
1431 | break; | |
1432 | case 3: | |
53598a71 | 1433 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1434 | return; |
1435 | default: | |
1436 | return; | |
9f8b032d | 1437 | } |
1438 | ||
8b380e97 | 1439 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1440 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1441 | if (cdr.ParamC) { |
e7acd858 | 1442 | int i; |
ef79bbde P |
1443 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1444 | for (i = 0; i < cdr.ParamC; i++) | |
1445 | SysPrintf(" %x,", cdr.Param[i]); | |
1446 | SysPrintf("}\n"); | |
1447 | } else { | |
1448 | SysPrintf("\n"); | |
1449 | } | |
1450 | #endif | |
1451 | ||
2daaaae3 | 1452 | cdr.ResultReady = 0; |
94c118c3 | 1453 | cdr.Ctrl |= 0x80; |
8b380e97 | 1454 | |
5c96969c | 1455 | if (!cdr.CmdInProgress) { |
1456 | cdr.CmdInProgress = rt; | |
1457 | // should be something like 12k + controller delays | |
c6a249e3 | 1458 | set_event(PSXINT_CDR, 5000); |
9f8b032d | 1459 | } |
5c96969c | 1460 | else { |
4d74a45a | 1461 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1462 | rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1463 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1464 | cdr.CmdInProgress = rt; | |
1465 | } | |
1466 | ||
1467 | cdr.Cmd = rt; | |
ef79bbde P |
1468 | } |
1469 | ||
1470 | unsigned char cdrRead2(void) { | |
ca37f771 | 1471 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1472 | |
e411faef | 1473 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1474 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1475 | else | |
4d74a45a | 1476 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1477 | |
e7acd858 | 1478 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1479 | return ret; |
1480 | } | |
1481 | ||
1482 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1483 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1484 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1485 | |
94c118c3 | 1486 | switch (cdr.Ctrl & 3) { |
1487 | case 0: | |
1488 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1489 | cdr.Param[cdr.ParamC++] = rt; | |
1490 | return; | |
1491 | case 1: | |
1492 | cdr.Reg2 = rt; | |
f4a0ef36 | 1493 | setIrq(0x1005); |
94c118c3 | 1494 | return; |
1495 | case 2: | |
53598a71 | 1496 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1497 | return; |
1498 | case 3: | |
53598a71 | 1499 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1500 | return; |
ef79bbde P |
1501 | } |
1502 | } | |
1503 | ||
1504 | unsigned char cdrRead3(void) { | |
94c118c3 | 1505 | if (cdr.Ctrl & 0x1) |
1506 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1507 | else | |
1508 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1509 | |
e7acd858 | 1510 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1511 | return psxHu8(0x1803); |
1512 | } | |
1513 | ||
1514 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1515 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1516 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1517 | |
94c118c3 | 1518 | switch (cdr.Ctrl & 3) { |
1519 | case 0: | |
a34a2445 | 1520 | break; // transfer |
94c118c3 | 1521 | case 1: |
4d384ca8 | 1522 | if (cdr.Stat & rt) { |
aced3eb3 | 1523 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1524 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
4d74a45a | 1525 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
5c96969c | 1526 | #ifdef CDR_LOG_CMD_IRQ |
4d74a45a | 1527 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", cdr.Stat & rt, rt, |
1528 | !!pending, cdr.CmdInProgress, | |
1529 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); | |
5c96969c | 1530 | #endif |
aced3eb3 | 1531 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
4d74a45a | 1532 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
aced3eb3 | 1533 | { |
792f1697 | 1534 | s32 c = 2048; |
1535 | if (cdr.CmdInProgress) { | |
1536 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1537 | c = MAX_VALUE(c, 512); | |
1538 | } | |
c6a249e3 | 1539 | set_event(PSXINT_CDR, c); |
aced3eb3 | 1540 | } |
4d384ca8 | 1541 | } |
a34a2445 | 1542 | cdr.Stat &= ~rt; |
1543 | ||
1544 | if (rt & 0x40) | |
1545 | cdr.ParamC = 0; | |
1546 | return; | |
94c118c3 | 1547 | case 2: |
53598a71 | 1548 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1549 | return; |
1550 | case 3: | |
53598a71 | 1551 | if (rt & 0x20) { |
1552 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1553 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1554 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1555 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1556 | } | |
94c118c3 | 1557 | return; |
9f8b032d | 1558 | } |
056d6759 | 1559 | |
e411faef | 1560 | // test: Viewpoint |
1561 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1562 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1563 | } | |
1564 | else if (rt & 0x80) { | |
dfd4f48e | 1565 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1566 | case MODE_SIZE_2328: |
ef79bbde | 1567 | case 0x00: |
6cbdadb3 | 1568 | cdr.FifoOffset = 12; |
e411faef | 1569 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1570 | break; |
9f8b032d | 1571 | |
1572 | case MODE_SIZE_2340: | |
ef79bbde | 1573 | default: |
6cbdadb3 | 1574 | cdr.FifoOffset = 0; |
e411faef | 1575 | cdr.FifoSize = 2340; |
ef79bbde P |
1576 | break; |
1577 | } | |
1578 | } | |
e411faef | 1579 | else if (!(rt & 0xc0)) |
1580 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1581 | } |
1582 | ||
1583 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
d01bb904 | 1584 | u32 cdsize, max_words; |
c7071c43 | 1585 | int size; |
ef79bbde P |
1586 | u8 *ptr; |
1587 | ||
4d74a45a | 1588 | #if 0 |
1589 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1590 | if (cdr.FifoOffset == 0) { | |
1591 | ptr = cdr.Transfer; | |
1592 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1593 | } | |
1594 | SysPrintf("\n"); | |
1595 | #endif | |
ef79bbde | 1596 | |
7b68d92c | 1597 | switch (chcr & 0x71000000) { |
ef79bbde | 1598 | case 0x11000000: |
d01bb904 | 1599 | ptr = getDmaRam(madr, &max_words); |
b012a437 | 1600 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1601 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1602 | break; |
1603 | } | |
9f8b032d | 1604 | |
6cbdadb3 | 1605 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1606 | ||
9f8b032d | 1607 | /* |
1608 | GS CDX: Enhancement CD crash | |
1609 | - Setloc 0:0:0 | |
1610 | - CdlPlay | |
1611 | - Spams DMA3 and gets buffer overrun | |
1612 | */ | |
6cbdadb3 | 1613 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1614 | if (size > cdsize) |
1615 | size = cdsize; | |
d01bb904 | 1616 | if (size > max_words * 4) |
1617 | size = max_words * 4; | |
c7071c43 | 1618 | if (size > 0) |
9f8b032d | 1619 | { |
6cbdadb3 | 1620 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1621 | cdr.FifoOffset += size; | |
9f8b032d | 1622 | } |
ca37f771 | 1623 | if (size < cdsize) { |
7df2c03c | 1624 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
ca37f771 | 1625 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1626 | } | |
1627 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1628 | |
c6a249e3 | 1629 | set_event(PSXINT_CDRDMA, (cdsize / 4) * 24); |
7b68d92c | 1630 | |
1631 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1632 | if (chcr & 0x100) { | |
58ebb94c | 1633 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1634 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1635 | } |
7b68d92c | 1636 | else { |
fc4803bd | 1637 | // halted |
7b68d92c | 1638 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1639 | } |
1640 | return; | |
1641 | ||
ef79bbde | 1642 | default: |
7df2c03c | 1643 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1644 | break; |
1645 | } | |
1646 | ||
1647 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1648 | DMA_INTERRUPT(3); | |
1649 | } | |
1650 | ||
28eea6ac | 1651 | void cdrDmaInterrupt(void) |
9f8b032d | 1652 | { |
ad418c19 | 1653 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1654 | { | |
1655 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1656 | DMA_INTERRUPT(3); | |
1657 | } | |
9f8b032d | 1658 | } |
1659 | ||
fffad32e | 1660 | static void getCdInfo(void) |
1661 | { | |
1662 | u8 tmp; | |
1663 | ||
1664 | CDR_getTN(cdr.ResultTN); | |
1665 | CDR_getTD(0, cdr.SetSectorEnd); | |
1666 | tmp = cdr.SetSectorEnd[0]; | |
1667 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1668 | cdr.SetSectorEnd[2] = tmp; | |
1669 | } | |
1670 | ||
ef79bbde P |
1671 | void cdrReset() { |
1672 | memset(&cdr, 0, sizeof(cdr)); | |
1673 | cdr.CurTrack = 1; | |
1674 | cdr.File = 1; | |
1675 | cdr.Channel = 1; | |
a2d3ccb8 | 1676 | cdr.Reg2 = 0x1f; |
1677 | cdr.Stat = NoIntr; | |
6cbdadb3 | 1678 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b4638ad9 | 1679 | if (CdromId[0] == '\0') { |
1680 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1681 | cdr.StatP = 0; | |
1682 | } | |
1683 | else { | |
1684 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1685 | cdr.StatP = STATUS_ROTATING; | |
1686 | } | |
2e88c317 | 1687 | |
056d6759 | 1688 | // BIOS player - default values |
53598a71 | 1689 | cdr.AttenuatorLeftToLeft = 0x80; |
1690 | cdr.AttenuatorLeftToRight = 0x00; | |
1691 | cdr.AttenuatorRightToLeft = 0x00; | |
1692 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1693 | |
1694 | getCdInfo(); | |
ef79bbde P |
1695 | } |
1696 | ||
496d88d4 | 1697 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1698 | u32 tmp; |
fffad32e | 1699 | u8 tmpp[3]; |
ef79bbde | 1700 | |
fffad32e | 1701 | if (Mode == 0 && !Config.Cdda) |
1702 | CDR_stop(); | |
9f8b032d | 1703 | |
55b8460a | 1704 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1705 | gzfreeze(&cdr, sizeof(cdr)); |
1706 | ||
94c118c3 | 1707 | if (Mode == 1) { |
1708 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1709 | tmp = cdr.FifoOffset; |
94c118c3 | 1710 | } |
ef79bbde P |
1711 | |
1712 | gzfreeze(&tmp, sizeof(tmp)); | |
1713 | ||
42f3c512 | 1714 | if (Mode == 0) { |
fffad32e | 1715 | getCdInfo(); |
1716 | ||
ca37f771 | 1717 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
dfd4f48e | 1718 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
0eacae49 | 1719 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1720 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1721 | |
fffad32e | 1722 | // read right sub data |
0204c39a DS |
1723 | tmpp[0] = btoi(cdr.Prev[0]); |
1724 | tmpp[1] = btoi(cdr.Prev[1]); | |
1725 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1726 | cdr.Prev[0]++; |
73b29eeb | 1727 | ReadTrack(tmpp); |
fffad32e | 1728 | |
1729 | if (cdr.Play) { | |
55b8460a | 1730 | if (cdr.freeze_ver < 0x63647202) |
1731 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1732 | ||
fffad32e | 1733 | Find_CurTrack(cdr.SetSectorPlay); |
1734 | if (!Config.Cdda) | |
2e88c317 | 1735 | CDR_play(cdr.SetSectorPlay); |
fffad32e | 1736 | } |
c69642c8 | 1737 | |
1738 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1739 | // old versions did not latch Reg2, have to fixup.. | |
1740 | if (cdr.Reg2 == 0) { | |
1741 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1742 | cdr.Reg2 = 7; | |
1743 | } | |
0f2dee0f | 1744 | // also did not save Attenuator.. |
1745 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1746 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1747 | { | |
1748 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1749 | } | |
c69642c8 | 1750 | } |
42f3c512 | 1751 | } |
1752 | ||
ef79bbde P |
1753 | return 0; |
1754 | } | |
9f8b032d | 1755 | |
28eea6ac | 1756 | void LidInterrupt(void) { |
fffad32e | 1757 | getCdInfo(); |
80f91a20 | 1758 | cdrLidSeekInterrupt(); |
9f8b032d | 1759 | } |