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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
22bbabf6 | 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
18 | ***************************************************************************/ |
19 | ||
22bbabf6 | 20 | /* |
ef79bbde P |
21 | * Handles all CD-ROM registers and functions. |
22 | */ | |
23 | ||
752c1c85 | 24 | #include <assert.h> |
ef79bbde 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 | |
6c9db47c | 39 | #define CDR_LOG_I log_unhandled |
8b380e97 | 40 | #endif |
41 | #if 0 | |
42 | #define CDR_LOG_IO SysPrintf | |
43 | #else | |
44 | #define CDR_LOG_IO(...) | |
45 | #endif | |
46 | //#define CDR_LOG_CMD_IRQ | |
47 | ||
af93c8be | 48 | static struct { |
7f2576b2 | 49 | // unused members maintain savesate compatibility |
50 | unsigned char unused0; | |
51 | unsigned char unused1; | |
af93c8be | 52 | unsigned char Reg2; |
7f2576b2 | 53 | unsigned char unused2; |
af93c8be | 54 | unsigned char Ctrl; |
55 | unsigned char Stat; | |
56 | ||
57 | unsigned char StatP; | |
58 | ||
59 | unsigned char Transfer[DATA_SIZE]; | |
60 | struct { | |
61 | unsigned char Track; | |
62 | unsigned char Index; | |
63 | unsigned char Relative[3]; | |
64 | unsigned char Absolute[3]; | |
65 | } subq; | |
66 | unsigned char TrackChanged; | |
7f2576b2 | 67 | unsigned char unused3[3]; |
af93c8be | 68 | unsigned int freeze_ver; |
69 | ||
70 | unsigned char Prev[4]; | |
71 | unsigned char Param[8]; | |
72 | unsigned char Result[16]; | |
73 | ||
74 | unsigned char ParamC; | |
75 | unsigned char ParamP; | |
76 | unsigned char ResultC; | |
77 | unsigned char ResultP; | |
78 | unsigned char ResultReady; | |
79 | unsigned char Cmd; | |
752c1c85 | 80 | unsigned char SubqForwardSectors; |
af93c8be | 81 | unsigned char SetlocPending; |
82 | u32 Reading; | |
83 | ||
84 | unsigned char ResultTN[6]; | |
85 | unsigned char ResultTD[4]; | |
86 | unsigned char SetSectorPlay[4]; | |
87 | unsigned char SetSectorEnd[4]; | |
88 | unsigned char SetSector[4]; | |
89 | unsigned char Track; | |
90 | boolean Play, Muted; | |
91 | int CurTrack; | |
92 | int Mode, File, Channel; | |
70c1043e | 93 | unsigned char LocL[8]; |
af93c8be | 94 | int FirstSector; |
95 | ||
96 | xa_decode_t Xa; | |
97 | ||
742a21f2 | 98 | u16 FifoOffset; |
99 | u16 FifoSize; | |
af93c8be | 100 | |
7f2576b2 | 101 | u16 CmdInProgress; |
f5450cfb | 102 | u8 Irq1Pending; |
103 | u8 unused5; | |
7f2576b2 | 104 | u32 unused6; |
af93c8be | 105 | |
7f2576b2 | 106 | u8 unused7; |
af93c8be | 107 | |
108 | u8 DriveState; | |
109 | u8 FastForward; | |
110 | u8 FastBackward; | |
7f2576b2 | 111 | u8 unused8; |
af93c8be | 112 | |
113 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
114 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
115 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
116 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
117 | } cdr; | |
f4627eb3 | 118 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
119 | |
120 | /* CD-ROM magic numbers */ | |
1f035e27 | 121 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
122 | #define CdlNop 1 |
123 | #define CdlSetloc 2 | |
124 | #define CdlPlay 3 | |
125 | #define CdlForward 4 | |
126 | #define CdlBackward 5 | |
127 | #define CdlReadN 6 | |
128 | #define CdlStandby 7 | |
129 | #define CdlStop 8 | |
130 | #define CdlPause 9 | |
b0bd140d | 131 | #define CdlReset 10 |
ef79bbde P |
132 | #define CdlMute 11 |
133 | #define CdlDemute 12 | |
134 | #define CdlSetfilter 13 | |
135 | #define CdlSetmode 14 | |
dcd72441 | 136 | #define CdlGetparam 15 |
ef79bbde P |
137 | #define CdlGetlocL 16 |
138 | #define CdlGetlocP 17 | |
139 | #define CdlReadT 18 | |
140 | #define CdlGetTN 19 | |
141 | #define CdlGetTD 20 | |
142 | #define CdlSeekL 21 | |
143 | #define CdlSeekP 22 | |
144 | #define CdlSetclock 23 | |
145 | #define CdlGetclock 24 | |
146 | #define CdlTest 25 | |
147 | #define CdlID 26 | |
148 | #define CdlReadS 27 | |
b0bd140d | 149 | #define CdlInit 28 |
e4268a49 | 150 | #define CdlGetQ 29 |
ef79bbde P |
151 | #define CdlReadToc 30 |
152 | ||
af93c8be | 153 | #ifdef CDR_LOG_CMD_IRQ |
154 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
155 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
156 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
b0bd140d | 157 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 158 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
159 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
160 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
161 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 162 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 163 | }; |
af93c8be | 164 | #endif |
ef79bbde P |
165 | |
166 | unsigned char Test04[] = { 0 }; | |
167 | unsigned char Test05[] = { 0 }; | |
168 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
169 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
170 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
171 | ||
9f8b032d | 172 | // cdr.Stat: |
173 | #define NoIntr 0 | |
174 | #define DataReady 1 | |
175 | #define Complete 2 | |
176 | #define Acknowledge 3 | |
177 | #define DataEnd 4 | |
178 | #define DiskError 5 | |
179 | ||
180 | /* Modes flags */ | |
181 | #define MODE_SPEED (1<<7) // 0x80 | |
182 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
183 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
184 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 185 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 186 | #define MODE_SF (1<<3) // 0x08 channel on/off |
187 | #define MODE_REPORT (1<<2) // 0x04 | |
188 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
189 | #define MODE_CDDA (1<<0) // 0x01 | |
190 | ||
191 | /* Status flags */ | |
192 | #define STATUS_PLAY (1<<7) // 0x80 | |
193 | #define STATUS_SEEK (1<<6) // 0x40 | |
194 | #define STATUS_READ (1<<5) // 0x20 | |
195 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
196 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
197 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
198 | #define STATUS_ROTATING (1<<1) // 0x02 | |
199 | #define STATUS_ERROR (1<<0) // 0x01 | |
200 | ||
e4268a49 | 201 | /* Errors */ |
003cfc63 | 202 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 203 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
204 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 205 | |
ef79bbde P |
206 | // 1x = 75 sectors per second |
207 | // PSXCLK = 1 sec in the ps | |
208 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
209 | #define cdReadTime (PSXCLK / 75) | |
210 | ||
70c1043e | 211 | #define LOCL_INVALID 0xff |
752c1c85 | 212 | #define SUBQ_FORWARD_SECTORS 2u |
70c1043e | 213 | |
80f91a20 | 214 | enum drive_state { |
f522e63c | 215 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 216 | DRIVESTATE_LID_OPEN, |
217 | DRIVESTATE_RESCAN_CD, | |
218 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 219 | DRIVESTATE_STOPPED, |
80f91a20 | 220 | }; |
221 | ||
ef79bbde | 222 | static struct CdrStat stat; |
ef79bbde | 223 | |
fffad32e | 224 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 225 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
226 | } | |
227 | ||
fffad32e | 228 | // for that weird psemu API.. |
229 | static unsigned int fsm2sec(const u8 *msf) { | |
230 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
231 | } | |
232 | ||
305c8c93 | 233 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 234 | msf[0] = s / 75 / 60; |
235 | s = s - msf[0] * 75 * 60; | |
236 | msf[1] = s / 75; | |
237 | s = s - msf[1] * 75; | |
238 | msf[2] = s; | |
239 | } | |
240 | ||
39df67df | 241 | // cdrInterrupt |
ef79bbde | 242 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 243 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
244 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
245 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
246 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 247 | } |
ef79bbde | 248 | |
480e570b | 249 | // cdrPlayReadInterrupt |
250 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
df717ca9 | 251 | u32 e_ = eCycle; \ |
d28b54b1 | 252 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
df717ca9 | 253 | if (isFirst) \ |
254 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
255 | else \ | |
256 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
257 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
258 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 259 | } |
ef79bbde | 260 | |
39df67df | 261 | // cdrLidSeekInterrupt |
9f8b032d | 262 | #define CDRLID_INT(eCycle) { \ |
263 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
264 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
265 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
266 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
267 | } | |
268 | ||
ef79bbde | 269 | #define StopReading() { \ |
f522e63c | 270 | cdr.Reading = 0; \ |
271 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
272 | } |
273 | ||
274 | #define StopCdda() { \ | |
f522e63c | 275 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
276 | cdr.Play = FALSE; \ | |
277 | cdr.FastForward = 0; \ | |
278 | cdr.FastBackward = 0; \ | |
279 | } | |
280 | ||
281 | #define SetPlaySeekRead(x, f) { \ | |
282 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
283 | x |= f; \ | |
ef79bbde P |
284 | } |
285 | ||
286 | #define SetResultSize(size) { \ | |
94c118c3 | 287 | cdr.ResultP = 0; \ |
ef79bbde P |
288 | cdr.ResultC = size; \ |
289 | cdr.ResultReady = 1; \ | |
290 | } | |
291 | ||
af93c8be | 292 | static void setIrq(int log_cmd) |
94c118c3 | 293 | { |
294 | if (cdr.Stat & cdr.Reg2) | |
295 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
af93c8be | 296 | |
297 | #ifdef CDR_LOG_CMD_IRQ | |
7f2576b2 | 298 | if (cdr.Stat) |
af93c8be | 299 | { |
300 | int i; | |
b1eb84bc | 301 | SysPrintf("%u cdrom: CDR IRQ=%d cmd %02x stat %02x: ", |
302 | psxRegs.cycle, !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
af93c8be | 303 | for (i = 0; i < cdr.ResultC; i++) |
304 | SysPrintf("%02x ", cdr.Result[i]); | |
305 | SysPrintf("\n"); | |
306 | } | |
307 | #endif | |
94c118c3 | 308 | } |
9f8b032d | 309 | |
80f91a20 | 310 | // timing used in this function was taken from tests on real hardware |
311 | // (yes it's slow, but you probably don't want to modify it) | |
d9a02493 | 312 | void cdrLidSeekInterrupt(void) |
9f8b032d | 313 | { |
871bedc6 | 314 | CDR_LOG_I("%u %s cdr.DriveState=%d\n", psxRegs.cycle, __func__, cdr.DriveState); |
315 | ||
80f91a20 | 316 | switch (cdr.DriveState) { |
317 | default: | |
318 | case DRIVESTATE_STANDBY: | |
f522e63c | 319 | StopCdda(); |
320 | StopReading(); | |
321 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 322 | |
80f91a20 | 323 | if (CDR_getStatus(&stat) == -1) |
324 | return; | |
9f8b032d | 325 | |
80f91a20 | 326 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 327 | { |
4d311cb7 | 328 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 329 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
330 | CDRLID_INT(0x800); | |
331 | } | |
332 | break; | |
9f8b032d | 333 | |
80f91a20 | 334 | case DRIVESTATE_LID_OPEN: |
335 | if (CDR_getStatus(&stat) == -1) | |
336 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 337 | |
80f91a20 | 338 | // 02, 12, 10 |
339 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 340 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 341 | |
80f91a20 | 342 | // could generate error irq here, but real hardware |
343 | // only sometimes does that | |
344 | // (not done when lots of commands are sent?) | |
9f8b032d | 345 | |
80f91a20 | 346 | CDRLID_INT(cdReadTime * 30); |
347 | break; | |
9f8b032d | 348 | } |
80f91a20 | 349 | else if (cdr.StatP & STATUS_ROTATING) { |
350 | cdr.StatP &= ~STATUS_ROTATING; | |
351 | } | |
352 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
353 | // closed now | |
354 | CheckCdrom(); | |
9f8b032d | 355 | |
80f91a20 | 356 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
357 | // and is only cleared by CdlNop | |
9f8b032d | 358 | |
80f91a20 | 359 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
360 | CDRLID_INT(cdReadTime * 105); | |
361 | break; | |
362 | } | |
9f8b032d | 363 | |
80f91a20 | 364 | // recheck for close |
365 | CDRLID_INT(cdReadTime * 3); | |
366 | break; | |
9f8b032d | 367 | |
80f91a20 | 368 | case DRIVESTATE_RESCAN_CD: |
369 | cdr.StatP |= STATUS_ROTATING; | |
370 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 371 | |
80f91a20 | 372 | // this is very long on real hardware, over 6 seconds |
373 | // make it a bit faster here... | |
374 | CDRLID_INT(cdReadTime * 150); | |
375 | break; | |
9f8b032d | 376 | |
80f91a20 | 377 | case DRIVESTATE_PREPARE_CD: |
871bedc6 | 378 | if (cdr.StatP & STATUS_SEEK) { |
379 | SetPlaySeekRead(cdr.StatP, 0); | |
380 | cdr.DriveState = DRIVESTATE_STANDBY; | |
381 | } | |
382 | else { | |
383 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
384 | CDRLID_INT(cdReadTime * 26); | |
385 | } | |
80f91a20 | 386 | break; |
9f8b032d | 387 | } |
388 | } | |
389 | ||
fffad32e | 390 | static void Find_CurTrack(const u8 *time) |
391 | { | |
392 | int current, sect; | |
9f8b032d | 393 | |
fffad32e | 394 | current = msf2sec(time); |
9f8b032d | 395 | |
fffad32e | 396 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
397 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
398 | sect = fsm2sec(cdr.ResultTD); | |
399 | if (sect - current >= 150) | |
9f8b032d | 400 | break; |
9f8b032d | 401 | } |
402 | } | |
403 | ||
73b29eeb | 404 | static void generate_subq(const u8 *time) |
405 | { | |
406 | unsigned char start[3], next[3]; | |
407 | unsigned int this_s, start_s, next_s, pregap; | |
408 | int relative_s; | |
409 | ||
410 | CDR_getTD(cdr.CurTrack, start); | |
411 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
412 | pregap = 150; | |
413 | CDR_getTD(cdr.CurTrack + 1, next); | |
414 | } | |
415 | else { | |
416 | // last track - cd size | |
417 | pregap = 0; | |
418 | next[0] = cdr.SetSectorEnd[2]; | |
419 | next[1] = cdr.SetSectorEnd[1]; | |
420 | next[2] = cdr.SetSectorEnd[0]; | |
421 | } | |
422 | ||
423 | this_s = msf2sec(time); | |
424 | start_s = fsm2sec(start); | |
425 | next_s = fsm2sec(next); | |
426 | ||
427 | cdr.TrackChanged = FALSE; | |
428 | ||
429 | if (next_s - this_s < pregap) { | |
430 | cdr.TrackChanged = TRUE; | |
431 | cdr.CurTrack++; | |
432 | start_s = next_s; | |
433 | } | |
434 | ||
435 | cdr.subq.Index = 1; | |
436 | ||
437 | relative_s = this_s - start_s; | |
438 | if (relative_s < 0) { | |
439 | cdr.subq.Index = 0; | |
440 | relative_s = -relative_s; | |
441 | } | |
442 | sec2msf(relative_s, cdr.subq.Relative); | |
443 | ||
444 | cdr.subq.Track = itob(cdr.CurTrack); | |
445 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
446 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
447 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
448 | cdr.subq.Absolute[0] = itob(time[0]); | |
449 | cdr.subq.Absolute[1] = itob(time[1]); | |
450 | cdr.subq.Absolute[2] = itob(time[2]); | |
451 | } | |
452 | ||
752c1c85 | 453 | static int ReadTrack(const u8 *time) |
454 | { | |
fffad32e | 455 | unsigned char tmp[3]; |
70c1043e | 456 | int read_ok; |
ef79bbde | 457 | |
fffad32e | 458 | tmp[0] = itob(time[0]); |
459 | tmp[1] = itob(time[1]); | |
460 | tmp[2] = itob(time[2]); | |
ef79bbde | 461 | |
fffad32e | 462 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
70c1043e | 463 | return 1; |
39df67df | 464 | |
fffad32e | 465 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 466 | |
70c1043e | 467 | read_ok = CDR_readTrack(tmp); |
e0f25b64 | 468 | if (read_ok) |
469 | memcpy(cdr.Prev, tmp, 3); | |
752c1c85 | 470 | return read_ok; |
471 | } | |
472 | ||
473 | static void UpdateSubq(const u8 *time) | |
474 | { | |
475 | const struct SubQ *subq; | |
476 | u16 crc; | |
9f8b032d | 477 | |
fffad32e | 478 | if (CheckSBI(time)) |
752c1c85 | 479 | return; |
9f8b032d | 480 | |
752c1c85 | 481 | subq = (struct SubQ *)CDR_getBufferSub(MSF2SECT(time[0], time[1], time[2])); |
73b29eeb | 482 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 483 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 484 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 485 | cdr.subq.Track = subq->TrackNumber; |
486 | cdr.subq.Index = subq->IndexNumber; | |
487 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
488 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 489 | } |
92ca1ba6 | 490 | else { |
752c1c85 | 491 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
492 | time[0], time[1], time[2]); | |
92ca1ba6 | 493 | } |
9f8b032d | 494 | } |
fffad32e | 495 | else { |
73b29eeb | 496 | generate_subq(time); |
9f8b032d | 497 | } |
9f8b032d | 498 | |
fffad32e | 499 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
500 | cdr.subq.Track, cdr.subq.Index, | |
501 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
502 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
503 | } | |
9f8b032d | 504 | |
7f457614 | 505 | static void cdrPlayInterrupt_Autopause() |
506 | { | |
bf4df3ba | 507 | u32 abs_lev_max = 0; |
508 | boolean abs_lev_chselect; | |
509 | u32 i; | |
f4627eb3 | 510 | |
fffad32e | 511 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 512 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 513 | |
514 | // Magic the Gathering | |
515 | // - looping territory cdda | |
516 | ||
517 | // ...? | |
518 | //cdr.ResultReady = 1; | |
519 | //cdr.Stat = DataReady; | |
520 | cdr.Stat = DataEnd; | |
8aeb66dc | 521 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 522 | |
523 | StopCdda(); | |
f522e63c | 524 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 525 | } |
c9c7a925 | 526 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 527 | cdr.Result[0] = cdr.StatP; |
528 | cdr.Result[1] = cdr.subq.Track; | |
529 | cdr.Result[2] = cdr.subq.Index; | |
bf4df3ba | 530 | |
531 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
532 | ||
533 | /* 8 is a hack. For accuracy, it should be 588. */ | |
534 | for (i = 0; i < 8; i++) | |
535 | { | |
536 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
537 | } | |
538 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
539 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 540 | |
fffad32e | 541 | if (cdr.subq.Absolute[2] & 0x10) { |
542 | cdr.Result[3] = cdr.subq.Relative[0]; | |
543 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
544 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 545 | } |
fffad32e | 546 | else { |
547 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
548 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
549 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
550 | } | |
551 | ||
bf4df3ba | 552 | cdr.Result[6] = abs_lev_max >> 0; |
553 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 554 | |
555 | // Rayman: Logo freeze (resultready + dataready) | |
556 | cdr.ResultReady = 1; | |
557 | cdr.Stat = DataReady; | |
558 | ||
559 | SetResultSize(8); | |
8aeb66dc | 560 | setIrq(0x1001); |
7f457614 | 561 | } |
562 | } | |
563 | ||
f522e63c | 564 | static int cdrSeekTime(unsigned char *target) |
565 | { | |
415213c9 | 566 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
567 | int seekTime = abs(diff) * (cdReadTime / 200); | |
f522e63c | 568 | /* |
569 | * Gameblabla : | |
570 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
571 | * and was unreliable for that game. | |
572 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
573 | * | |
574 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
575 | * Games to test this against if you change that setting : | |
576 | * - Driver (titlescreen music delay and retry mission) | |
577 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
578 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
579 | * | |
580 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
581 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
582 | */ | |
583 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
584 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
585 | return seekTime; | |
586 | } | |
587 | ||
4134c627 | 588 | static u32 cdrAlignTimingHack(u32 cycles) |
589 | { | |
590 | /* | |
591 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
592 | * The game has a bug where it issues some cdc commands from a low priority | |
593 | * vint handler, however there is a higher priority default bios handler | |
594 | * that acks the vint irq and returns, so game's handler is not reached | |
595 | * (see bios irq handler chains at e004 and the game's irq handling func | |
596 | * at 80036810). For the game to work, vint has to arrive after the bios | |
597 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
598 | * active), but before the game's handler loop reads I_STAT. The time | |
599 | * window for this is quite small (~1k cycles of so). Apparently this | |
600 | * somehow happens naturally on the real hardware. | |
688bdb95 | 601 | * |
602 | * Note: always enforcing this breaks other games like Crash PAL version | |
603 | * (inputs get dropped because bios handler doesn't see interrupts). | |
4134c627 | 604 | */ |
688bdb95 | 605 | u32 vint_rel; |
606 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
607 | return cycles; | |
608 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
4134c627 | 609 | vint_rel += PSXCLK / 60; |
610 | while ((s32)(vint_rel - cycles) < 0) | |
611 | vint_rel += PSXCLK / 60; | |
612 | return vint_rel; | |
613 | } | |
614 | ||
38e03f0a | 615 | static void cdrUpdateTransferBuf(const u8 *buf); |
d9a02493 | 616 | static void cdrReadInterrupt(void); |
4ad17db3 | 617 | static void cdrPrepCdda(s16 *buf, int samples); |
618 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
d9a02493 | 619 | |
752c1c85 | 620 | static void msfiAdd(u8 *msfi, u32 count) |
621 | { | |
622 | assert(count < 75); | |
623 | msfi[2] += count; | |
624 | if (msfi[2] >= 75) { | |
625 | msfi[2] -= 75; | |
626 | msfi[1]++; | |
627 | if (msfi[1] == 60) { | |
628 | msfi[1] = 0; | |
629 | msfi[0]++; | |
630 | } | |
631 | } | |
632 | } | |
633 | ||
480e570b | 634 | void cdrPlayReadInterrupt(void) |
7f457614 | 635 | { |
d9a02493 | 636 | if (cdr.Reading) { |
637 | cdrReadInterrupt(); | |
638 | return; | |
639 | } | |
640 | ||
39df67df | 641 | if (!cdr.Play) return; |
7f457614 | 642 | |
7f457614 | 643 | CDR_LOG( "CDDA - %d:%d:%d\n", |
644 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 645 | |
d9a02493 | 646 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 647 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
648 | StopCdda(); | |
f522e63c | 649 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 650 | cdr.TrackChanged = TRUE; |
651 | } | |
ffd2bcfa | 652 | else { |
653 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
654 | } | |
7f457614 | 655 | |
7f2576b2 | 656 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 657 | cdrPlayInterrupt_Autopause(); |
658 | ||
9cf79034 | 659 | if (!cdr.Muted && !Config.Cdda) { |
4ad17db3 | 660 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
ecd502e1 | 661 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
9cf79034 | 662 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
663 | cdr.FirstSector = 0; | |
f4627eb3 | 664 | } |
fffad32e | 665 | |
752c1c85 | 666 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 667 | |
fffad32e | 668 | // update for CdlGetlocP/autopause |
73b29eeb | 669 | generate_subq(cdr.SetSectorPlay); |
f5450cfb | 670 | |
480e570b | 671 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 672 | } |
673 | ||
8aeb66dc | 674 | #define CMD_PART2 0x100 |
675 | #define CMD_WHILE_NOT_READY 0x200 | |
676 | ||
d9a02493 | 677 | void cdrInterrupt(void) { |
e4268a49 | 678 | int start_rotating = 0; |
679 | int error = 0; | |
4134c627 | 680 | u32 cycles, seekTime = 0; |
7f2576b2 | 681 | u32 second_resp_time = 0; |
70c1043e | 682 | const void *buf; |
7f2576b2 | 683 | u8 ParamC; |
2da09dae | 684 | u8 set_loc[3]; |
70c1043e | 685 | int read_ok; |
8aeb66dc | 686 | u16 not_ready = 0; |
7f2576b2 | 687 | u16 Cmd; |
2da09dae | 688 | int i; |
ef79bbde P |
689 | |
690 | if (cdr.Stat) { | |
b1eb84bc | 691 | CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n", |
692 | psxRegs.cycle, cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
693 | return; |
694 | } | |
38e03f0a | 695 | if (cdr.Irq1Pending) { |
696 | // hand out the "newest" sector, according to nocash | |
697 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
698 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
699 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
700 | SetResultSize(1); | |
701 | cdr.Result[0] = cdr.Irq1Pending; | |
702 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
703 | cdr.Irq1Pending = 0; | |
8aeb66dc | 704 | setIrq(0x1003); |
38e03f0a | 705 | return; |
706 | } | |
ef79bbde | 707 | |
e4268a49 | 708 | // default response |
709 | SetResultSize(1); | |
710 | cdr.Result[0] = cdr.StatP; | |
711 | cdr.Stat = Acknowledge; | |
712 | ||
7f2576b2 | 713 | Cmd = cdr.CmdInProgress; |
714 | cdr.CmdInProgress = 0; | |
715 | ParamC = cdr.ParamC; | |
e4268a49 | 716 | |
7f2576b2 | 717 | if (Cmd < 0x100) { |
8aeb66dc | 718 | cdr.Ctrl &= ~0x80; |
7f2576b2 | 719 | cdr.ParamC = 0; |
8aeb66dc | 720 | cdr.Cmd = 0; |
721 | } | |
722 | ||
723 | switch (cdr.DriveState) { | |
871bedc6 | 724 | case DRIVESTATE_PREPARE_CD: |
725 | if (Cmd > 2) { | |
726 | // Syphon filter 2 expects commands to work shortly after it sees | |
727 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
728 | cdr.DriveState = DRIVESTATE_STANDBY; | |
729 | cdr.StatP &= ~STATUS_SEEK; | |
730 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
731 | break; | |
732 | } | |
733 | // fallthrough | |
8aeb66dc | 734 | case DRIVESTATE_LID_OPEN: |
735 | case DRIVESTATE_RESCAN_CD: | |
8aeb66dc | 736 | // no disk or busy with the initial scan, allowed cmds are limited |
737 | not_ready = CMD_WHILE_NOT_READY; | |
738 | break; | |
7f2576b2 | 739 | } |
e4268a49 | 740 | |
8aeb66dc | 741 | switch (Cmd | not_ready) { |
ef79bbde | 742 | case CdlNop: |
8aeb66dc | 743 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 744 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
745 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
746 | break; |
747 | ||
748 | case CdlSetloc: | |
8aeb66dc | 749 | case CdlSetloc + CMD_WHILE_NOT_READY: |
2da09dae | 750 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
751 | ||
752 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
753 | 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)) | |
754 | { | |
ececcc61 | 755 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
2da09dae | 756 | error = ERROR_INVALIDARG; |
757 | goto set_error; | |
758 | } | |
759 | else | |
760 | { | |
761 | for (i = 0; i < 3; i++) | |
2da09dae | 762 | set_loc[i] = btoi(cdr.Param[i]); |
2da09dae | 763 | memcpy(cdr.SetSector, set_loc, 3); |
764 | cdr.SetSector[3] = 0; | |
765 | cdr.SetlocPending = 1; | |
766 | } | |
ef79bbde P |
767 | break; |
768 | ||
55b8460a | 769 | do_CdlPlay: |
ef79bbde | 770 | case CdlPlay: |
030bd76a | 771 | StopCdda(); |
f522e63c | 772 | StopReading(); |
773 | ||
c9c7a925 | 774 | cdr.FastBackward = 0; |
775 | cdr.FastForward = 0; | |
776 | ||
2d5ca6c0 | 777 | // BIOS CD Player |
778 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
779 | ||
7f2576b2 | 780 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 781 | int track = btoi( cdr.Param[0] ); |
782 | ||
783 | if (track <= cdr.ResultTN[1]) | |
784 | cdr.CurTrack = track; | |
785 | ||
786 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
787 | ||
788 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
f522e63c | 789 | for (i = 0; i < 3; i++) |
790 | set_loc[i] = cdr.ResultTD[2 - i]; | |
791 | seekTime = cdrSeekTime(set_loc); | |
792 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 793 | } |
794 | } | |
f522e63c | 795 | else if (cdr.SetlocPending) { |
796 | seekTime = cdrSeekTime(cdr.SetSector); | |
797 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
798 | } | |
799 | else { | |
800 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
801 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
802 | } | |
803 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 804 | |
9f8b032d | 805 | /* |
806 | Rayman: detect track changes | |
807 | - fixes logo freeze | |
808 | ||
809 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
810 | - plays tracks without retry play | |
811 | ||
812 | Wild 9: skip PREGAP + starting accurate SubQ | |
813 | - plays tracks without retry play | |
814 | */ | |
fffad32e | 815 | Find_CurTrack(cdr.SetSectorPlay); |
752c1c85 | 816 | generate_subq(cdr.SetSectorPlay); |
70c1043e | 817 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 818 | cdr.SubqForwardSectors = 1; |
fffad32e | 819 | cdr.TrackChanged = FALSE; |
9cf79034 | 820 | cdr.FirstSector = 1; |
9f8b032d | 821 | |
2d5ca6c0 | 822 | if (!Config.Cdda) |
823 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 824 | |
f522e63c | 825 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 826 | |
827 | // BIOS player - set flag again | |
828 | cdr.Play = TRUE; | |
829 | ||
480e570b | 830 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 831 | start_rotating = 1; |
ef79bbde P |
832 | break; |
833 | ||
9f8b032d | 834 | case CdlForward: |
e4268a49 | 835 | // TODO: error 80 if stopped |
9f8b032d | 836 | cdr.Stat = Complete; |
837 | ||
9f8b032d | 838 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 839 | cdr.FastForward = 1; |
9f8b032d | 840 | cdr.FastBackward = 0; |
ef79bbde P |
841 | break; |
842 | ||
9f8b032d | 843 | case CdlBackward: |
9f8b032d | 844 | cdr.Stat = Complete; |
845 | ||
9f8b032d | 846 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 847 | cdr.FastBackward = 1; |
9f8b032d | 848 | cdr.FastForward = 0; |
ef79bbde P |
849 | break; |
850 | ||
9f8b032d | 851 | case CdlStandby: |
e4268a49 | 852 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
853 | error = ERROR_INVALIDARG; | |
854 | goto set_error; | |
855 | } | |
7f2576b2 | 856 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 857 | start_rotating = 1; |
858 | break; | |
859 | ||
8aeb66dc | 860 | case CdlStandby + CMD_PART2: |
ef79bbde P |
861 | cdr.Stat = Complete; |
862 | break; | |
863 | ||
864 | case CdlStop: | |
030bd76a | 865 | if (cdr.Play) { |
866 | // grab time for current track | |
867 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
868 | ||
869 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
870 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
871 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
872 | } | |
873 | ||
874 | StopCdda(); | |
875 | StopReading(); | |
f522e63c | 876 | SetPlaySeekRead(cdr.StatP, 0); |
877 | cdr.StatP &= ~STATUS_ROTATING; | |
70c1043e | 878 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 879 | |
7f2576b2 | 880 | second_resp_time = 0x800; |
e4268a49 | 881 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
7f2576b2 | 882 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 883 | |
884 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 885 | break; |
886 | ||
8aeb66dc | 887 | case CdlStop + CMD_PART2: |
ef79bbde | 888 | cdr.Stat = Complete; |
ef79bbde P |
889 | break; |
890 | ||
891 | case CdlPause: | |
f522e63c | 892 | StopCdda(); |
893 | StopReading(); | |
12228917 | 894 | /* |
895 | Gundam Battle Assault 2: much slower (*) | |
896 | - Fixes boot, gameplay | |
897 | ||
898 | Hokuto no Ken 2: slower | |
899 | - Fixes intro + subtitles | |
900 | ||
901 | InuYasha - Feudal Fairy Tale: slower | |
902 | - Fixes battles | |
903 | */ | |
4e70ea5a | 904 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
905 | * The timings from Duckstation are based upon hardware tests. | |
906 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
907 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
908 | * */ | |
f522e63c | 909 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
e3d555e0 | 910 | { |
7f2576b2 | 911 | second_resp_time = 7000; |
e3d555e0 | 912 | } |
913 | else | |
914 | { | |
7f2576b2 | 915 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
e3d555e0 | 916 | } |
f522e63c | 917 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
918 | break; |
919 | ||
8aeb66dc | 920 | case CdlPause + CMD_PART2: |
9f8b032d | 921 | cdr.Stat = Complete; |
ef79bbde P |
922 | break; |
923 | ||
b0bd140d | 924 | case CdlReset: |
8aeb66dc | 925 | case CdlReset + CMD_WHILE_NOT_READY: |
f522e63c | 926 | StopCdda(); |
927 | StopReading(); | |
928 | SetPlaySeekRead(cdr.StatP, 0); | |
70c1043e | 929 | cdr.LocL[0] = LOCL_INVALID; |
b0bd140d | 930 | cdr.Muted = FALSE; |
931 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ | |
8aeb66dc | 932 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 933 | start_rotating = 1; |
934 | break; | |
935 | ||
8aeb66dc | 936 | case CdlReset + CMD_PART2: |
937 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 938 | cdr.Stat = Complete; |
ef79bbde P |
939 | break; |
940 | ||
9f8b032d | 941 | case CdlMute: |
030bd76a | 942 | cdr.Muted = TRUE; |
ef79bbde P |
943 | break; |
944 | ||
9f8b032d | 945 | case CdlDemute: |
030bd76a | 946 | cdr.Muted = FALSE; |
ef79bbde P |
947 | break; |
948 | ||
9f8b032d | 949 | case CdlSetfilter: |
030bd76a | 950 | cdr.File = cdr.Param[0]; |
951 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 952 | break; |
ef79bbde P |
953 | |
954 | case CdlSetmode: | |
8aeb66dc | 955 | case CdlSetmode + CMD_WHILE_NOT_READY: |
7f2576b2 | 956 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
957 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 958 | break; |
ef79bbde | 959 | |
dcd72441 | 960 | case CdlGetparam: |
8aeb66dc | 961 | case CdlGetparam + CMD_WHILE_NOT_READY: |
dcd72441 | 962 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
963 | SetResultSize(5); | |
9f8b032d | 964 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 965 | cdr.Result[2] = 0; |
966 | cdr.Result[3] = cdr.File; | |
967 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 968 | break; |
ef79bbde | 969 | |
9f8b032d | 970 | case CdlGetlocL: |
70c1043e | 971 | if (cdr.LocL[0] == LOCL_INVALID) { |
972 | error = 0x80; | |
973 | goto set_error; | |
974 | } | |
ef79bbde | 975 | SetResultSize(8); |
70c1043e | 976 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 977 | break; |
ef79bbde P |
978 | |
979 | case CdlGetlocP: | |
fffad32e | 980 | SetResultSize(8); |
981 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 982 | break; |
892bd7d4 | 983 | |
e4268a49 | 984 | case CdlReadT: // SetSession? |
985 | // really long | |
7f2576b2 | 986 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 987 | start_rotating = 1; |
988 | break; | |
989 | ||
8aeb66dc | 990 | case CdlReadT + CMD_PART2: |
e4268a49 | 991 | cdr.Stat = Complete; |
ef79bbde P |
992 | break; |
993 | ||
9f8b032d | 994 | case CdlGetTN: |
ef79bbde | 995 | SetResultSize(3); |
9f8b032d | 996 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 997 | cdr.Stat = DiskError; |
9f8b032d | 998 | cdr.Result[0] |= STATUS_ERROR; |
999 | } else { | |
1000 | cdr.Stat = Acknowledge; | |
1001 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1002 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
1003 | } | |
1004 | break; | |
ef79bbde | 1005 | |
9f8b032d | 1006 | case CdlGetTD: |
ef79bbde P |
1007 | cdr.Track = btoi(cdr.Param[0]); |
1008 | SetResultSize(4); | |
ef79bbde P |
1009 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
1010 | cdr.Stat = DiskError; | |
9f8b032d | 1011 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1012 | } else { |
1013 | cdr.Stat = Acknowledge; | |
1014 | cdr.Result[0] = cdr.StatP; | |
1015 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1016 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
cfeb7cab | 1017 | /* According to Nocash's documentation, the function doesn't care about ff. |
1018 | * This can be seen also in Mednafen's implementation. */ | |
1019 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1020 | } |
1021 | break; | |
1022 | ||
9f8b032d | 1023 | case CdlSeekL: |
39df67df | 1024 | case CdlSeekP: |
030bd76a | 1025 | StopCdda(); |
1026 | StopReading(); | |
480e570b | 1027 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1028 | |
f522e63c | 1029 | seekTime = cdrSeekTime(cdr.SetSector); |
1030 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1031 | /* |
1032 | Crusaders of Might and Magic = 0.5x-4x | |
1033 | - fix cutscene speech start | |
1034 | ||
1035 | Eggs of Steel = 2x-? | |
1036 | - fix new game | |
1037 | ||
1038 | Medievil = ?-4x | |
1039 | - fix cutscene speech | |
1040 | ||
1041 | Rockman X5 = 0.5-4x | |
1042 | - fix capcom logo | |
1043 | */ | |
480e570b | 1044 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1045 | start_rotating = 1; |
ef79bbde P |
1046 | break; |
1047 | ||
480e570b | 1048 | case CdlSeekL + CMD_PART2: |
1049 | case CdlSeekP + CMD_PART2: | |
1050 | SetPlaySeekRead(cdr.StatP, 0); | |
ca1683d0 | 1051 | cdr.Result[0] = cdr.StatP; |
480e570b | 1052 | cdr.Stat = Complete; |
1053 | ||
1054 | Find_CurTrack(cdr.SetSectorPlay); | |
70c1043e | 1055 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1056 | if (read_ok && (buf = CDR_getBuffer())) | |
1057 | memcpy(cdr.LocL, buf, 8); | |
752c1c85 | 1058 | UpdateSubq(cdr.SetSectorPlay); |
480e570b | 1059 | cdr.TrackChanged = FALSE; |
1060 | break; | |
1061 | ||
ef79bbde | 1062 | case CdlTest: |
8aeb66dc | 1063 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1064 | switch (cdr.Param[0]) { |
1065 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1066 | SetResultSize(4); |
1067 | memcpy(cdr.Result, Test20, 4); | |
1068 | break; | |
1069 | case 0x22: | |
1070 | SetResultSize(8); | |
1071 | memcpy(cdr.Result, Test22, 4); | |
1072 | break; | |
1073 | case 0x23: case 0x24: | |
1074 | SetResultSize(8); | |
1075 | memcpy(cdr.Result, Test23, 4); | |
1076 | break; | |
9f8b032d | 1077 | } |
ef79bbde P |
1078 | break; |
1079 | ||
9f8b032d | 1080 | case CdlID: |
7f2576b2 | 1081 | second_resp_time = 20480; |
ef79bbde P |
1082 | break; |
1083 | ||
8aeb66dc | 1084 | case CdlID + CMD_PART2: |
ef79bbde | 1085 | SetResultSize(8); |
89ec56af | 1086 | cdr.Result[0] = cdr.StatP; |
1087 | cdr.Result[1] = 0; | |
1088 | cdr.Result[2] = 0; | |
1089 | cdr.Result[3] = 0; | |
9f8b032d | 1090 | |
d8432250 | 1091 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1092 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1093 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1094 | } |
1095 | else { | |
89ec56af | 1096 | if (stat.Type == 2) |
1097 | cdr.Result[1] |= 0x10; | |
1098 | if (CdromId[0] == '\0') | |
9f8b032d | 1099 | cdr.Result[1] |= 0x80; |
9f8b032d | 1100 | } |
89ec56af | 1101 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1102 | |
d0ea0d8a | 1103 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1104 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1105 | cdr.Stat = Complete; |
1106 | break; | |
1107 | ||
b0bd140d | 1108 | case CdlInit: |
8aeb66dc | 1109 | case CdlInit + CMD_WHILE_NOT_READY: |
f522e63c | 1110 | StopCdda(); |
1111 | StopReading(); | |
1112 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1113 | // yes, it really sets STATUS_SHELLOPEN |
1114 | cdr.StatP |= STATUS_SHELLOPEN; | |
1115 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1116 | CDRLID_INT(20480); | |
e4268a49 | 1117 | start_rotating = 1; |
9f8b032d | 1118 | break; |
1119 | ||
e4268a49 | 1120 | case CdlGetQ: |
8aeb66dc | 1121 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1122 | break; |
1123 | ||
1124 | case CdlReadToc: | |
8aeb66dc | 1125 | case CdlReadToc + CMD_WHILE_NOT_READY: |
70c1043e | 1126 | cdr.LocL[0] = LOCL_INVALID; |
7f2576b2 | 1127 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1128 | start_rotating = 1; |
ef79bbde P |
1129 | break; |
1130 | ||
8aeb66dc | 1131 | case CdlReadToc + CMD_PART2: |
1132 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1133 | cdr.Stat = Complete; |
ef79bbde P |
1134 | break; |
1135 | ||
94c118c3 | 1136 | case CdlReadN: |
1137 | case CdlReadS: | |
ececcc61 | 1138 | if (cdr.Reading && !cdr.SetlocPending) |
1139 | break; | |
1140 | ||
f522e63c | 1141 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1142 | |
1143 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1144 | // Read* acts as play for cdda tracks in cdda mode | |
1145 | goto do_CdlPlay; | |
1146 | ||
f522e63c | 1147 | StopCdda(); |
1148 | if (cdr.SetlocPending) { | |
1149 | seekTime = cdrSeekTime(cdr.SetSector); | |
1150 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1151 | cdr.SetlocPending = 0; | |
1152 | } | |
030bd76a | 1153 | cdr.Reading = 1; |
1154 | cdr.FirstSector = 1; | |
ef79bbde | 1155 | |
9f8b032d | 1156 | // Fighting Force 2 - update subq time immediately |
1157 | // - fixes new game | |
752c1c85 | 1158 | UpdateSubq(cdr.SetSectorPlay); |
70c1043e | 1159 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 1160 | cdr.SubqForwardSectors = 1; |
9f8b032d | 1161 | |
4134c627 | 1162 | cycles = (cdr.Mode & 0x80) ? cdReadTime : cdReadTime * 2; |
1163 | cycles += seekTime; | |
688bdb95 | 1164 | if (Config.hacks.cdr_read_timing) |
1165 | cycles = cdrAlignTimingHack(cycles); | |
4134c627 | 1166 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1167 | |
f522e63c | 1168 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1169 | start_rotating = 1; |
ef79bbde | 1170 | break; |
70c1043e | 1171 | |
1f035e27 | 1172 | case CdlSync: |
ef79bbde | 1173 | default: |
e4268a49 | 1174 | error = ERROR_INVALIDCMD; |
1175 | // FALLTHROUGH | |
1176 | ||
1177 | set_error: | |
70c1043e | 1178 | CDR_LOG_I("cdrom: cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1179 | SetResultSize(2); |
1180 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
8aeb66dc | 1181 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1182 | cdr.Stat = DiskError; |
ef79bbde P |
1183 | break; |
1184 | } | |
1185 | ||
e4268a49 | 1186 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1187 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1188 | cdr.StatP |= STATUS_ROTATING; | |
1189 | } | |
1190 | ||
7f2576b2 | 1191 | if (second_resp_time) { |
1192 | cdr.CmdInProgress = Cmd | 0x100; | |
1193 | CDR_INT(second_resp_time); | |
1194 | } | |
1195 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1196 | cdr.CmdInProgress = cdr.Cmd; | |
b1eb84bc | 1197 | CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n", |
1198 | psxRegs.cycle, cdr.Cmd, Cmd); | |
7f2576b2 | 1199 | } |
1200 | ||
1201 | setIrq(Cmd); | |
ef79bbde P |
1202 | } |
1203 | ||
8f2bb0cb | 1204 | #ifdef HAVE_ARMV7 |
53598a71 | 1205 | #define ssat32_to_16(v) \ |
1206 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1207 | #else | |
1208 | #define ssat32_to_16(v) do { \ | |
1209 | if (v < -32768) v = -32768; \ | |
1210 | else if (v > 32767) v = 32767; \ | |
1211 | } while (0) | |
1212 | #endif | |
1213 | ||
4ad17db3 | 1214 | static void cdrPrepCdda(s16 *buf, int samples) |
1215 | { | |
1216 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1217 | int i; | |
1218 | for (i = 0; i < samples; i++) { | |
1219 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1220 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1221 | } | |
1222 | #endif | |
1223 | } | |
1224 | ||
1225 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1226 | { |
1227 | int i, l, r; | |
1228 | int ll = cdr.AttenuatorLeftToLeft; | |
1229 | int lr = cdr.AttenuatorLeftToRight; | |
1230 | int rl = cdr.AttenuatorRightToLeft; | |
1231 | int rr = cdr.AttenuatorRightToRight; | |
1232 | ||
1233 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1234 | return; | |
1235 | ||
1236 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1237 | return; | |
1238 | ||
1239 | if (stereo) { | |
1240 | for (i = 0; i < samples; i++) { | |
1241 | l = buf[i * 2]; | |
1242 | r = buf[i * 2 + 1]; | |
1243 | l = (l * ll + r * rl) >> 7; | |
1244 | r = (r * rr + l * lr) >> 7; | |
1245 | ssat32_to_16(l); | |
1246 | ssat32_to_16(r); | |
1247 | buf[i * 2] = l; | |
1248 | buf[i * 2 + 1] = r; | |
1249 | } | |
1250 | } | |
1251 | else { | |
1252 | for (i = 0; i < samples; i++) { | |
1253 | l = buf[i]; | |
1254 | l = l * (ll + rl) >> 7; | |
1255 | //r = r * (rr + lr) >> 7; | |
1256 | ssat32_to_16(l); | |
1257 | //ssat32_to_16(r); | |
1258 | buf[i] = l; | |
1259 | } | |
1260 | } | |
1261 | } | |
1262 | ||
f5450cfb | 1263 | static void cdrReadInterruptSetResult(unsigned char result) |
d9a02493 | 1264 | { |
7f2576b2 | 1265 | if (cdr.Stat) { |
f5450cfb | 1266 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1267 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1268 | cdr.CmdInProgress, cdr.Stat); | |
1269 | cdr.Irq1Pending = result; | |
ef79bbde P |
1270 | return; |
1271 | } | |
ef79bbde | 1272 | SetResultSize(1); |
f5450cfb | 1273 | cdr.Result[0] = result; |
1274 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
8aeb66dc | 1275 | setIrq(0x1004); |
f5450cfb | 1276 | } |
1277 | ||
1278 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1279 | { | |
1280 | if (!buf) | |
1281 | return; | |
1282 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1283 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1284 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
742a21f2 | 1285 | if (cdr.FifoOffset < 2048 + 12) |
1286 | CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
f5450cfb | 1287 | } |
1288 | ||
1289 | static void cdrReadInterrupt(void) | |
1290 | { | |
1291 | u8 *buf = NULL, *hdr; | |
752c1c85 | 1292 | u8 subqPos[3]; |
70c1043e | 1293 | int read_ok; |
f5450cfb | 1294 | |
752c1c85 | 1295 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1296 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1297 | UpdateSubq(subqPos); | |
1298 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1299 | cdr.SubqForwardSectors++; | |
1300 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1301 | return; | |
1302 | } | |
1303 | ||
7e6d030e | 1304 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1305 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
1306 | ||
70c1043e | 1307 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1308 | if (read_ok) | |
f5450cfb | 1309 | buf = CDR_getBuffer(); |
ef79bbde | 1310 | if (buf == NULL) |
70c1043e | 1311 | read_ok = 0; |
ef79bbde | 1312 | |
70c1043e | 1313 | if (!read_ok) { |
8b380e97 | 1314 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f5450cfb | 1315 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1316 | return; |
1317 | } | |
70c1043e | 1318 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1319 | |
f5450cfb | 1320 | if (!cdr.Irq1Pending) |
1321 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1322 | |
9f8b032d | 1323 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f5450cfb | 1324 | hdr = buf + 4; |
9f8b032d | 1325 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1326 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f5450cfb | 1327 | cdr.File = hdr[0]; |
1328 | cdr.Channel = hdr[1]; | |
9f8b032d | 1329 | } |
1330 | ||
e73e384c | 1331 | /* Gameblabla |
1332 | * Skips playing on channel 255. | |
1333 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1334 | * TODO : Check if this is the proper behaviour. | |
1335 | * */ | |
f5450cfb | 1336 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1337 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1338 | if (!ret) { |
53598a71 | 1339 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
9cf79034 | 1340 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1341 | cdr.FirstSector = 0; |
1342 | } | |
1343 | else cdr.FirstSector = -1; | |
1344 | } | |
1345 | } | |
1346 | ||
f5450cfb | 1347 | /* |
1348 | Croc 2: $40 - only FORM1 (*) | |
1349 | Judge Dredd: $C8 - only FORM1 (*) | |
1350 | Sim Theme Park - no adpcm at all (zero) | |
1351 | */ | |
1352 | ||
1353 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1354 | cdrReadInterruptSetResult(cdr.StatP); | |
1355 | ||
752c1c85 | 1356 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1357 | |
480e570b | 1358 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f5450cfb | 1359 | } |
9f8b032d | 1360 | |
ef79bbde P |
1361 | /* |
1362 | cdrRead0: | |
94c118c3 | 1363 | bit 0,1 - mode |
ef79bbde P |
1364 | bit 2 - unknown |
1365 | bit 3 - unknown | |
1366 | bit 4 - unknown | |
1367 | bit 5 - 1 result ready | |
1368 | bit 6 - 1 dma ready | |
1369 | bit 7 - 1 command being processed | |
1370 | */ | |
1371 | ||
1372 | unsigned char cdrRead0(void) { | |
1373 | if (cdr.ResultReady) | |
1374 | cdr.Ctrl |= 0x20; | |
1375 | else | |
1376 | cdr.Ctrl &= ~0x20; | |
1377 | ||
7f2576b2 | 1378 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1379 | |
1380 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1381 | cdr.Ctrl |= 0x18; | |
1382 | ||
af93c8be | 1383 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1384 | |
1385 | return psxHu8(0x1800) = cdr.Ctrl; | |
1386 | } | |
1387 | ||
ef79bbde | 1388 | void cdrWrite0(unsigned char rt) { |
af93c8be | 1389 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1390 | |
50b13be9 | 1391 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1392 | } |
1393 | ||
1394 | unsigned char cdrRead1(void) { | |
94c118c3 | 1395 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1396 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1397 | else |
ef79bbde | 1398 | psxHu8(0x1801) = 0; |
94c118c3 | 1399 | cdr.ResultP++; |
1400 | if (cdr.ResultP == cdr.ResultC) | |
1401 | cdr.ResultReady = 0; | |
1402 | ||
af93c8be | 1403 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1404 | |
ef79bbde P |
1405 | return psxHu8(0x1801); |
1406 | } | |
1407 | ||
1408 | void cdrWrite1(unsigned char rt) { | |
af93c8be | 1409 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1410 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1411 | |
94c118c3 | 1412 | switch (cdr.Ctrl & 3) { |
1413 | case 0: | |
1414 | break; | |
1415 | case 3: | |
53598a71 | 1416 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1417 | return; |
1418 | default: | |
1419 | return; | |
9f8b032d | 1420 | } |
1421 | ||
8b380e97 | 1422 | #ifdef CDR_LOG_CMD_IRQ |
b1eb84bc | 1423 | SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]); |
ef79bbde | 1424 | if (cdr.ParamC) { |
af93c8be | 1425 | int i; |
ef79bbde P |
1426 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1427 | for (i = 0; i < cdr.ParamC; i++) | |
1428 | SysPrintf(" %x,", cdr.Param[i]); | |
1429 | SysPrintf("}\n"); | |
1430 | } else { | |
1431 | SysPrintf("\n"); | |
1432 | } | |
1433 | #endif | |
1434 | ||
2daaaae3 | 1435 | cdr.ResultReady = 0; |
94c118c3 | 1436 | cdr.Ctrl |= 0x80; |
8b380e97 | 1437 | |
7f2576b2 | 1438 | if (!cdr.CmdInProgress) { |
1439 | cdr.CmdInProgress = rt; | |
1440 | // should be something like 12k + controller delays | |
1441 | CDR_INT(5000); | |
9f8b032d | 1442 | } |
7f2576b2 | 1443 | else { |
b1eb84bc | 1444 | CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n", |
1445 | psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress); | |
7f2576b2 | 1446 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1447 | cdr.CmdInProgress = rt; | |
1448 | } | |
1449 | ||
1450 | cdr.Cmd = rt; | |
ef79bbde P |
1451 | } |
1452 | ||
1453 | unsigned char cdrRead2(void) { | |
afaac935 | 1454 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1455 | |
742a21f2 | 1456 | if (cdr.FifoOffset < cdr.FifoSize) |
79cd4919 | 1457 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1458 | else | |
742a21f2 | 1459 | CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1460 | |
af93c8be | 1461 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1462 | return ret; |
1463 | } | |
1464 | ||
1465 | void cdrWrite2(unsigned char rt) { | |
af93c8be | 1466 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1467 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1468 | |
94c118c3 | 1469 | switch (cdr.Ctrl & 3) { |
1470 | case 0: | |
1471 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1472 | cdr.Param[cdr.ParamC++] = rt; | |
1473 | return; | |
1474 | case 1: | |
1475 | cdr.Reg2 = rt; | |
8aeb66dc | 1476 | setIrq(0x1005); |
94c118c3 | 1477 | return; |
1478 | case 2: | |
53598a71 | 1479 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1480 | return; |
1481 | case 3: | |
53598a71 | 1482 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1483 | return; |
ef79bbde P |
1484 | } |
1485 | } | |
1486 | ||
1487 | unsigned char cdrRead3(void) { | |
94c118c3 | 1488 | if (cdr.Ctrl & 0x1) |
1489 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1490 | else | |
1491 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1492 | |
af93c8be | 1493 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1494 | return psxHu8(0x1803); |
1495 | } | |
1496 | ||
1497 | void cdrWrite3(unsigned char rt) { | |
af93c8be | 1498 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1499 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1500 | |
94c118c3 | 1501 | switch (cdr.Ctrl & 3) { |
1502 | case 0: | |
a34a2445 | 1503 | break; // transfer |
94c118c3 | 1504 | case 1: |
38e03f0a | 1505 | if (cdr.Stat & rt) { |
399f666e | 1506 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1507 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
7f2576b2 | 1508 | #ifdef CDR_LOG_CMD_IRQ |
399f666e | 1509 | SysPrintf("%u cdrom: ack %02x (w=%02x p=%d,%d)\n", |
1510 | psxRegs.cycle, cdr.Stat & rt, rt, | |
1511 | !!(psxRegs.interrupt & (1 << PSXINT_CDR)), | |
1512 | nextCycle - psxRegs.cycle); | |
7f2576b2 | 1513 | #endif |
399f666e | 1514 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
38e03f0a | 1515 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && |
1516 | (cdr.CmdInProgress || cdr.Irq1Pending)) | |
399f666e | 1517 | { |
1518 | s32 c = 2048 - (psxRegs.cycle - nextCycle); | |
1519 | c = MAX_VALUE(c, 512); | |
1520 | CDR_INT(c); | |
1521 | } | |
38e03f0a | 1522 | } |
a34a2445 | 1523 | cdr.Stat &= ~rt; |
1524 | ||
1525 | if (rt & 0x40) | |
1526 | cdr.ParamC = 0; | |
1527 | return; | |
94c118c3 | 1528 | case 2: |
53598a71 | 1529 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1530 | return; |
1531 | case 3: | |
53598a71 | 1532 | if (rt & 0x20) { |
1533 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
7f2576b2 | 1534 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1535 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1536 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1537 | } | |
94c118c3 | 1538 | return; |
9f8b032d | 1539 | } |
056d6759 | 1540 | |
742a21f2 | 1541 | // test: Viewpoint |
1542 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1543 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1544 | } | |
1545 | else if (rt & 0x80) { | |
ef79bbde | 1546 | switch (cdr.Mode & 0x30) { |
9f8b032d | 1547 | case MODE_SIZE_2328: |
ef79bbde | 1548 | case 0x00: |
79cd4919 | 1549 | cdr.FifoOffset = 12; |
742a21f2 | 1550 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1551 | break; |
9f8b032d | 1552 | |
1553 | case MODE_SIZE_2340: | |
ef79bbde | 1554 | default: |
79cd4919 | 1555 | cdr.FifoOffset = 0; |
742a21f2 | 1556 | cdr.FifoSize = 2340; |
ef79bbde P |
1557 | break; |
1558 | } | |
1559 | } | |
742a21f2 | 1560 | else if (!(rt & 0xc0)) |
1561 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1562 | } |
1563 | ||
1564 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1565 | u32 cdsize; | |
c7071c43 | 1566 | int size; |
ef79bbde P |
1567 | u8 *ptr; |
1568 | ||
ef79bbde | 1569 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde | 1570 | |
4f329f16 | 1571 | switch (chcr & 0x71000000) { |
ef79bbde | 1572 | case 0x11000000: |
ef79bbde | 1573 | ptr = (u8 *)PSXM(madr); |
7a8d521f | 1574 | if (ptr == INVALID_PTR) { |
79cd4919 | 1575 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1576 | break; |
1577 | } | |
9f8b032d | 1578 | |
79cd4919 | 1579 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1580 | ||
9f8b032d | 1581 | /* |
1582 | GS CDX: Enhancement CD crash | |
1583 | - Setloc 0:0:0 | |
1584 | - CdlPlay | |
1585 | - Spams DMA3 and gets buffer overrun | |
1586 | */ | |
79cd4919 | 1587 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1588 | if (size > cdsize) |
1589 | size = cdsize; | |
1590 | if (size > 0) | |
9f8b032d | 1591 | { |
79cd4919 | 1592 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1593 | cdr.FifoOffset += size; | |
9f8b032d | 1594 | } |
afaac935 | 1595 | if (size < cdsize) { |
6c9db47c | 1596 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
afaac935 | 1597 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1598 | } | |
1599 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1600 | |
4f329f16 | 1601 | CDRDMA_INT((cdsize/4) * 24); |
1602 | ||
1603 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1604 | if (chcr & 0x100) { | |
58ebb94c | 1605 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
4f329f16 | 1606 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1607 | } |
4f329f16 | 1608 | else { |
fc4803bd | 1609 | // halted |
4f329f16 | 1610 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1611 | } |
1612 | return; | |
1613 | ||
ef79bbde | 1614 | default: |
6c9db47c | 1615 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1616 | break; |
1617 | } | |
1618 | ||
1619 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1620 | DMA_INTERRUPT(3); | |
1621 | } | |
1622 | ||
d9a02493 | 1623 | void cdrDmaInterrupt(void) |
9f8b032d | 1624 | { |
ad418c19 | 1625 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1626 | { | |
1627 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1628 | DMA_INTERRUPT(3); | |
1629 | } | |
9f8b032d | 1630 | } |
1631 | ||
fffad32e | 1632 | static void getCdInfo(void) |
1633 | { | |
1634 | u8 tmp; | |
1635 | ||
1636 | CDR_getTN(cdr.ResultTN); | |
1637 | CDR_getTD(0, cdr.SetSectorEnd); | |
1638 | tmp = cdr.SetSectorEnd[0]; | |
1639 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1640 | cdr.SetSectorEnd[2] = tmp; | |
1641 | } | |
1642 | ||
ef79bbde P |
1643 | void cdrReset() { |
1644 | memset(&cdr, 0, sizeof(cdr)); | |
1645 | cdr.CurTrack = 1; | |
1646 | cdr.File = 1; | |
1647 | cdr.Channel = 1; | |
a2d3ccb8 | 1648 | cdr.Reg2 = 0x1f; |
1649 | cdr.Stat = NoIntr; | |
79cd4919 | 1650 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
871bedc6 | 1651 | if (CdromId[0] == '\0') { |
1652 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1653 | cdr.StatP = 0; | |
1654 | } | |
1655 | else { | |
1656 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1657 | cdr.StatP = STATUS_ROTATING; | |
1658 | } | |
c9c7a925 | 1659 | |
056d6759 | 1660 | // BIOS player - default values |
53598a71 | 1661 | cdr.AttenuatorLeftToLeft = 0x80; |
1662 | cdr.AttenuatorLeftToRight = 0x00; | |
1663 | cdr.AttenuatorRightToLeft = 0x00; | |
1664 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1665 | |
1666 | getCdInfo(); | |
ef79bbde P |
1667 | } |
1668 | ||
496d88d4 | 1669 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1670 | u32 tmp; |
fffad32e | 1671 | u8 tmpp[3]; |
ef79bbde | 1672 | |
fffad32e | 1673 | if (Mode == 0 && !Config.Cdda) |
1674 | CDR_stop(); | |
9f8b032d | 1675 | |
55b8460a | 1676 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1677 | gzfreeze(&cdr, sizeof(cdr)); |
1678 | ||
94c118c3 | 1679 | if (Mode == 1) { |
1680 | cdr.ParamP = cdr.ParamC; | |
79cd4919 | 1681 | tmp = cdr.FifoOffset; |
94c118c3 | 1682 | } |
ef79bbde P |
1683 | |
1684 | gzfreeze(&tmp, sizeof(tmp)); | |
1685 | ||
42f3c512 | 1686 | if (Mode == 0) { |
fffad32e | 1687 | getCdInfo(); |
1688 | ||
afaac935 | 1689 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
742a21f2 | 1690 | cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12; |
752c1c85 | 1691 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1692 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1693 | |
fffad32e | 1694 | // read right sub data |
f84d4864 DS |
1695 | tmpp[0] = btoi(cdr.Prev[0]); |
1696 | tmpp[1] = btoi(cdr.Prev[1]); | |
1697 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1698 | cdr.Prev[0]++; |
73b29eeb | 1699 | ReadTrack(tmpp); |
fffad32e | 1700 | |
1701 | if (cdr.Play) { | |
55b8460a | 1702 | if (cdr.freeze_ver < 0x63647202) |
1703 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1704 | ||
fffad32e | 1705 | Find_CurTrack(cdr.SetSectorPlay); |
1706 | if (!Config.Cdda) | |
1707 | CDR_play(cdr.SetSectorPlay); | |
d9a02493 | 1708 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
480e570b | 1709 | CDRPLAYREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1710 | } |
c69642c8 | 1711 | |
1712 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1713 | // old versions did not latch Reg2, have to fixup.. | |
1714 | if (cdr.Reg2 == 0) { | |
1715 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1716 | cdr.Reg2 = 7; | |
1717 | } | |
0f2dee0f | 1718 | // also did not save Attenuator.. |
1719 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1720 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1721 | { | |
1722 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1723 | } | |
c69642c8 | 1724 | } |
42f3c512 | 1725 | } |
1726 | ||
ef79bbde P |
1727 | return 0; |
1728 | } | |
9f8b032d | 1729 | |
d9a02493 | 1730 | void LidInterrupt(void) { |
fffad32e | 1731 | getCdInfo(); |
80f91a20 | 1732 | cdrLidSeekInterrupt(); |
9f8b032d | 1733 | } |