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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 | ||
24 | #include "cdrom.h" | |
25 | #include "ppf.h" | |
9f8b032d | 26 | #include "psxdma.h" |
8f2bb0cb | 27 | #include "arm_features.h" |
ef79bbde | 28 | |
8b380e97 | 29 | /* logging */ |
30 | #if 0 | |
31 | #define CDR_LOG SysPrintf | |
32 | #else | |
33 | #define CDR_LOG(...) | |
34 | #endif | |
35 | #if 0 | |
36 | #define CDR_LOG_I SysPrintf | |
37 | #else | |
38 | #define CDR_LOG_I(...) | |
39 | #endif | |
40 | #if 0 | |
41 | #define CDR_LOG_IO SysPrintf | |
42 | #else | |
43 | #define CDR_LOG_IO(...) | |
44 | #endif | |
45 | //#define CDR_LOG_CMD_IRQ | |
46 | ||
e7acd858 | 47 | static struct { |
5c96969c | 48 | // unused members maintain savesate compatibility |
49 | unsigned char unused0; | |
50 | unsigned char unused1; | |
e7acd858 | 51 | unsigned char Reg2; |
5c96969c | 52 | unsigned char unused2; |
e7acd858 | 53 | unsigned char Ctrl; |
54 | unsigned char Stat; | |
55 | ||
56 | unsigned char StatP; | |
57 | ||
58 | unsigned char Transfer[DATA_SIZE]; | |
59 | struct { | |
60 | unsigned char Track; | |
61 | unsigned char Index; | |
62 | unsigned char Relative[3]; | |
63 | unsigned char Absolute[3]; | |
64 | } subq; | |
65 | unsigned char TrackChanged; | |
5c96969c | 66 | unsigned char unused3[3]; |
e7acd858 | 67 | unsigned int freeze_ver; |
68 | ||
69 | unsigned char Prev[4]; | |
70 | unsigned char Param[8]; | |
71 | unsigned char Result[16]; | |
72 | ||
73 | unsigned char ParamC; | |
74 | unsigned char ParamP; | |
75 | unsigned char ResultC; | |
76 | unsigned char ResultP; | |
77 | unsigned char ResultReady; | |
78 | unsigned char Cmd; | |
79 | unsigned char Readed; | |
80 | unsigned char SetlocPending; | |
81 | u32 Reading; | |
82 | ||
83 | unsigned char ResultTN[6]; | |
84 | unsigned char ResultTD[4]; | |
85 | unsigned char SetSectorPlay[4]; | |
86 | unsigned char SetSectorEnd[4]; | |
87 | unsigned char SetSector[4]; | |
88 | unsigned char Track; | |
89 | boolean Play, Muted; | |
90 | int CurTrack; | |
91 | int Mode, File, Channel; | |
92 | int Reset; | |
93 | int NoErr; | |
94 | int FirstSector; | |
95 | ||
96 | xa_decode_t Xa; | |
97 | ||
6cbdadb3 | 98 | u32 FifoOffset; |
e7acd858 | 99 | |
5c96969c | 100 | u16 CmdInProgress; |
f55c59b7 | 101 | u8 Irq1Pending; |
102 | u8 unused5; | |
5c96969c | 103 | u32 unused6; |
e7acd858 | 104 | |
5c96969c | 105 | u8 unused7; |
e7acd858 | 106 | |
107 | u8 DriveState; | |
108 | u8 FastForward; | |
109 | u8 FastBackward; | |
5c96969c | 110 | u8 unused8; |
e7acd858 | 111 | |
112 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
113 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
114 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
115 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
116 | } cdr; | |
66425c25 | 117 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
118 | |
119 | /* CD-ROM magic numbers */ | |
2e88c317 | 120 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
121 | #define CdlNop 1 |
122 | #define CdlSetloc 2 | |
123 | #define CdlPlay 3 | |
124 | #define CdlForward 4 | |
125 | #define CdlBackward 5 | |
126 | #define CdlReadN 6 | |
127 | #define CdlStandby 7 | |
128 | #define CdlStop 8 | |
129 | #define CdlPause 9 | |
8399ca33 | 130 | #define CdlReset 10 |
ef79bbde P |
131 | #define CdlMute 11 |
132 | #define CdlDemute 12 | |
133 | #define CdlSetfilter 13 | |
134 | #define CdlSetmode 14 | |
95465b97 | 135 | #define CdlGetparam 15 |
ef79bbde P |
136 | #define CdlGetlocL 16 |
137 | #define CdlGetlocP 17 | |
138 | #define CdlReadT 18 | |
139 | #define CdlGetTN 19 | |
140 | #define CdlGetTD 20 | |
141 | #define CdlSeekL 21 | |
142 | #define CdlSeekP 22 | |
143 | #define CdlSetclock 23 | |
144 | #define CdlGetclock 24 | |
145 | #define CdlTest 25 | |
146 | #define CdlID 26 | |
147 | #define CdlReadS 27 | |
8399ca33 | 148 | #define CdlInit 28 |
e4268a49 | 149 | #define CdlGetQ 29 |
ef79bbde P |
150 | #define CdlReadToc 30 |
151 | ||
e7acd858 | 152 | #ifdef CDR_LOG_CMD_IRQ |
153 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
154 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
155 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 156 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 157 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
158 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
159 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
160 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 161 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 162 | }; |
e7acd858 | 163 | #endif |
ef79bbde P |
164 | |
165 | unsigned char Test04[] = { 0 }; | |
166 | unsigned char Test05[] = { 0 }; | |
167 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
168 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
169 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
170 | ||
9f8b032d | 171 | // cdr.Stat: |
172 | #define NoIntr 0 | |
173 | #define DataReady 1 | |
174 | #define Complete 2 | |
175 | #define Acknowledge 3 | |
176 | #define DataEnd 4 | |
177 | #define DiskError 5 | |
178 | ||
179 | /* Modes flags */ | |
180 | #define MODE_SPEED (1<<7) // 0x80 | |
181 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
182 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
183 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 184 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 185 | #define MODE_SF (1<<3) // 0x08 channel on/off |
186 | #define MODE_REPORT (1<<2) // 0x04 | |
187 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
188 | #define MODE_CDDA (1<<0) // 0x01 | |
189 | ||
190 | /* Status flags */ | |
191 | #define STATUS_PLAY (1<<7) // 0x80 | |
192 | #define STATUS_SEEK (1<<6) // 0x40 | |
193 | #define STATUS_READ (1<<5) // 0x20 | |
194 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
195 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
196 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
197 | #define STATUS_ROTATING (1<<1) // 0x02 | |
198 | #define STATUS_ERROR (1<<0) // 0x01 | |
199 | ||
e4268a49 | 200 | /* Errors */ |
003cfc63 | 201 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 202 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
203 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 204 | |
ef79bbde P |
205 | // 1x = 75 sectors per second |
206 | // PSXCLK = 1 sec in the ps | |
207 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
208 | #define cdReadTime (PSXCLK / 75) | |
209 | ||
80f91a20 | 210 | enum drive_state { |
05e5c298 | 211 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 212 | DRIVESTATE_LID_OPEN, |
213 | DRIVESTATE_RESCAN_CD, | |
214 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 215 | DRIVESTATE_STOPPED, |
80f91a20 | 216 | }; |
217 | ||
ef79bbde | 218 | static struct CdrStat stat; |
ef79bbde | 219 | |
fffad32e | 220 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 221 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
222 | } | |
223 | ||
fffad32e | 224 | // for that weird psemu API.. |
225 | static unsigned int fsm2sec(const u8 *msf) { | |
226 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
227 | } | |
228 | ||
305c8c93 | 229 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 230 | msf[0] = s / 75 / 60; |
231 | s = s - msf[0] * 75 * 60; | |
232 | msf[1] = s / 75; | |
233 | s = s - msf[1] * 75; | |
234 | msf[2] = s; | |
235 | } | |
236 | ||
39df67df | 237 | // cdrInterrupt |
ef79bbde | 238 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 239 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
240 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
241 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
242 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 243 | } |
ef79bbde | 244 | |
28eea6ac | 245 | // cdrPlaySeekReadInterrupt |
9a1338bc | 246 | #define CDRPLAYSEEKREAD_INT(eCycle, isFirst) { \ |
247 | u32 e_ = eCycle; \ | |
d28b54b1 | 248 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 249 | if (isFirst) \ |
250 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
251 | else \ | |
252 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
253 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
254 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 255 | } |
ef79bbde | 256 | |
39df67df | 257 | // cdrLidSeekInterrupt |
9f8b032d | 258 | #define CDRLID_INT(eCycle) { \ |
259 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
260 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
261 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
262 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
263 | } | |
264 | ||
ef79bbde | 265 | #define StopReading() { \ |
05e5c298 | 266 | cdr.Reading = 0; \ |
267 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
268 | } |
269 | ||
270 | #define StopCdda() { \ | |
05e5c298 | 271 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
272 | cdr.Play = FALSE; \ | |
273 | cdr.FastForward = 0; \ | |
274 | cdr.FastBackward = 0; \ | |
275 | } | |
276 | ||
277 | #define SetPlaySeekRead(x, f) { \ | |
278 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
279 | x |= f; \ | |
ef79bbde P |
280 | } |
281 | ||
282 | #define SetResultSize(size) { \ | |
94c118c3 | 283 | cdr.ResultP = 0; \ |
ef79bbde P |
284 | cdr.ResultC = size; \ |
285 | cdr.ResultReady = 1; \ | |
286 | } | |
287 | ||
e7acd858 | 288 | static void setIrq(int log_cmd) |
94c118c3 | 289 | { |
290 | if (cdr.Stat & cdr.Reg2) | |
291 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 292 | |
293 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 294 | if (cdr.Stat) |
e7acd858 | 295 | { |
296 | int i; | |
297 | SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ", | |
298 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
299 | for (i = 0; i < cdr.ResultC; i++) | |
300 | SysPrintf("%02x ", cdr.Result[i]); | |
301 | SysPrintf("\n"); | |
302 | } | |
303 | #endif | |
94c118c3 | 304 | } |
9f8b032d | 305 | |
80f91a20 | 306 | // timing used in this function was taken from tests on real hardware |
307 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 308 | void cdrLidSeekInterrupt(void) |
9f8b032d | 309 | { |
80f91a20 | 310 | switch (cdr.DriveState) { |
311 | default: | |
312 | case DRIVESTATE_STANDBY: | |
05e5c298 | 313 | StopCdda(); |
314 | StopReading(); | |
315 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 316 | |
80f91a20 | 317 | if (CDR_getStatus(&stat) == -1) |
318 | return; | |
9f8b032d | 319 | |
80f91a20 | 320 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 321 | { |
80f91a20 | 322 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
323 | CDRLID_INT(0x800); | |
324 | } | |
325 | break; | |
9f8b032d | 326 | |
80f91a20 | 327 | case DRIVESTATE_LID_OPEN: |
328 | if (CDR_getStatus(&stat) == -1) | |
329 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 330 | |
80f91a20 | 331 | // 02, 12, 10 |
332 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 333 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 334 | |
80f91a20 | 335 | // could generate error irq here, but real hardware |
336 | // only sometimes does that | |
337 | // (not done when lots of commands are sent?) | |
9f8b032d | 338 | |
80f91a20 | 339 | CDRLID_INT(cdReadTime * 30); |
340 | break; | |
9f8b032d | 341 | } |
80f91a20 | 342 | else if (cdr.StatP & STATUS_ROTATING) { |
343 | cdr.StatP &= ~STATUS_ROTATING; | |
344 | } | |
345 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
346 | // closed now | |
347 | CheckCdrom(); | |
9f8b032d | 348 | |
80f91a20 | 349 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
350 | // and is only cleared by CdlNop | |
9f8b032d | 351 | |
80f91a20 | 352 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
353 | CDRLID_INT(cdReadTime * 105); | |
354 | break; | |
355 | } | |
9f8b032d | 356 | |
80f91a20 | 357 | // recheck for close |
358 | CDRLID_INT(cdReadTime * 3); | |
359 | break; | |
9f8b032d | 360 | |
80f91a20 | 361 | case DRIVESTATE_RESCAN_CD: |
362 | cdr.StatP |= STATUS_ROTATING; | |
363 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 364 | |
80f91a20 | 365 | // this is very long on real hardware, over 6 seconds |
366 | // make it a bit faster here... | |
367 | CDRLID_INT(cdReadTime * 150); | |
368 | break; | |
9f8b032d | 369 | |
80f91a20 | 370 | case DRIVESTATE_PREPARE_CD: |
371 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 372 | |
80f91a20 | 373 | cdr.DriveState = DRIVESTATE_STANDBY; |
374 | CDRLID_INT(cdReadTime * 26); | |
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 | ||
442 | static void ReadTrack(const u8 *time) { | |
fffad32e | 443 | unsigned char tmp[3]; |
444 | struct SubQ *subq; | |
445 | u16 crc; | |
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) |
452 | return; | |
39df67df | 453 | |
fffad32e | 454 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 455 | |
6087d7e7 | 456 | cdr.NoErr = CDR_readTrack(tmp); |
fffad32e | 457 | memcpy(cdr.Prev, tmp, 3); |
9f8b032d | 458 | |
fffad32e | 459 | if (CheckSBI(time)) |
460 | return; | |
9f8b032d | 461 | |
fffad32e | 462 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 463 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 464 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 465 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 466 | cdr.subq.Track = subq->TrackNumber; |
467 | cdr.subq.Index = subq->IndexNumber; | |
468 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
469 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 470 | } |
92ca1ba6 | 471 | else { |
73b29eeb | 472 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 473 | tmp[0], tmp[1], tmp[2]); |
474 | } | |
9f8b032d | 475 | } |
fffad32e | 476 | else { |
73b29eeb | 477 | generate_subq(time); |
9f8b032d | 478 | } |
9f8b032d | 479 | |
fffad32e | 480 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
481 | cdr.subq.Track, cdr.subq.Index, | |
482 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
483 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
484 | } | |
9f8b032d | 485 | |
7f457614 | 486 | static void cdrPlayInterrupt_Autopause() |
487 | { | |
66425c25 | 488 | u32 abs_lev_max = 0; |
489 | boolean abs_lev_chselect; | |
490 | u32 i; | |
491 | ||
fffad32e | 492 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 493 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 494 | |
495 | // Magic the Gathering | |
496 | // - looping territory cdda | |
497 | ||
498 | // ...? | |
499 | //cdr.ResultReady = 1; | |
500 | //cdr.Stat = DataReady; | |
501 | cdr.Stat = DataEnd; | |
e7acd858 | 502 | setIrq(0x200); |
7f457614 | 503 | |
504 | StopCdda(); | |
05e5c298 | 505 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 506 | } |
d2e271b2 | 507 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 508 | cdr.Result[0] = cdr.StatP; |
509 | cdr.Result[1] = cdr.subq.Track; | |
510 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 511 | |
512 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
513 | ||
514 | /* 8 is a hack. For accuracy, it should be 588. */ | |
515 | for (i = 0; i < 8; i++) | |
516 | { | |
517 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
518 | } | |
519 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
520 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 521 | |
fffad32e | 522 | if (cdr.subq.Absolute[2] & 0x10) { |
523 | cdr.Result[3] = cdr.subq.Relative[0]; | |
524 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
525 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 526 | } |
fffad32e | 527 | else { |
528 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
529 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
530 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
531 | } | |
532 | ||
66425c25 | 533 | cdr.Result[6] = abs_lev_max >> 0; |
534 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 535 | |
536 | // Rayman: Logo freeze (resultready + dataready) | |
537 | cdr.ResultReady = 1; | |
538 | cdr.Stat = DataReady; | |
539 | ||
540 | SetResultSize(8); | |
e7acd858 | 541 | setIrq(0x201); |
7f457614 | 542 | } |
543 | } | |
544 | ||
05e5c298 | 545 | static int cdrSeekTime(unsigned char *target) |
546 | { | |
547 | int seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(target)) * (cdReadTime / 200); | |
548 | /* | |
549 | * Gameblabla : | |
550 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
551 | * and was unreliable for that game. | |
552 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
553 | * | |
554 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
555 | * Games to test this against if you change that setting : | |
556 | * - Driver (titlescreen music delay and retry mission) | |
557 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
558 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
559 | * | |
560 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
561 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
562 | */ | |
563 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
564 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
565 | return seekTime; | |
566 | } | |
567 | ||
28eea6ac | 568 | static void cdrReadInterrupt(void); |
569 | ||
570 | void cdrPlaySeekReadInterrupt(void) | |
7f457614 | 571 | { |
28eea6ac | 572 | if (cdr.Reading) { |
573 | cdrReadInterrupt(); | |
574 | return; | |
575 | } | |
576 | ||
577 | if (!cdr.Play && (cdr.StatP & STATUS_SEEK)) { | |
e7e33ef2 | 578 | if (cdr.Stat) { |
8b380e97 | 579 | CDR_LOG_I("cdrom: seek stat hack\n"); |
9a1338bc | 580 | CDRPLAYSEEKREAD_INT(0x1000, 1); |
e7e33ef2 | 581 | return; |
582 | } | |
39df67df | 583 | SetResultSize(1); |
584 | cdr.StatP |= STATUS_ROTATING; | |
28eea6ac | 585 | SetPlaySeekRead(cdr.StatP, 0); |
39df67df | 586 | cdr.Result[0] = cdr.StatP; |
f55c59b7 | 587 | cdr.Stat = Complete; |
588 | setIrq(0x202); | |
39df67df | 589 | |
fffad32e | 590 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 591 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 592 | cdr.TrackChanged = FALSE; |
28eea6ac | 593 | return; |
39df67df | 594 | } |
595 | ||
596 | if (!cdr.Play) return; | |
7f457614 | 597 | |
7f457614 | 598 | CDR_LOG( "CDDA - %d:%d:%d\n", |
599 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 600 | |
28eea6ac | 601 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 602 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
603 | StopCdda(); | |
05e5c298 | 604 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 605 | cdr.TrackChanged = TRUE; |
606 | } | |
084b0f31 | 607 | else { |
608 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
609 | } | |
7f457614 | 610 | |
5c96969c | 611 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 612 | cdrPlayInterrupt_Autopause(); |
613 | ||
cdaef86c | 614 | if (!cdr.Muted && !Config.Cdda) { |
66425c25 | 615 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 616 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
617 | cdr.FirstSector = 0; | |
66425c25 | 618 | } |
fffad32e | 619 | |
7f457614 | 620 | cdr.SetSectorPlay[2]++; |
621 | if (cdr.SetSectorPlay[2] == 75) { | |
622 | cdr.SetSectorPlay[2] = 0; | |
623 | cdr.SetSectorPlay[1]++; | |
624 | if (cdr.SetSectorPlay[1] == 60) { | |
625 | cdr.SetSectorPlay[1] = 0; | |
626 | cdr.SetSectorPlay[0]++; | |
627 | } | |
628 | } | |
629 | ||
fffad32e | 630 | // update for CdlGetlocP/autopause |
73b29eeb | 631 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 632 | |
633 | CDRPLAYSEEKREAD_INT(cdReadTime, 0); | |
7f457614 | 634 | } |
635 | ||
28eea6ac | 636 | void cdrInterrupt(void) { |
e4268a49 | 637 | int no_busy_error = 0; |
638 | int start_rotating = 0; | |
639 | int error = 0; | |
fbf19ce6 | 640 | unsigned int seekTime = 0; |
5c96969c | 641 | u32 second_resp_time = 0; |
642 | u8 ParamC; | |
115d0459 | 643 | u8 set_loc[3]; |
5c96969c | 644 | u16 Cmd; |
115d0459 | 645 | int i; |
ef79bbde P |
646 | |
647 | if (cdr.Stat) { | |
5c96969c | 648 | CDR_LOG_I("cdrom: cmd %02x with irqstat %x\n", cdr.CmdInProgress, cdr.Stat); |
ef79bbde P |
649 | return; |
650 | } | |
651 | ||
ef79bbde P |
652 | cdr.Ctrl &= ~0x80; |
653 | ||
e4268a49 | 654 | // default response |
655 | SetResultSize(1); | |
656 | cdr.Result[0] = cdr.StatP; | |
657 | cdr.Stat = Acknowledge; | |
658 | ||
5c96969c | 659 | Cmd = cdr.CmdInProgress; |
660 | cdr.CmdInProgress = 0; | |
661 | ParamC = cdr.ParamC; | |
e4268a49 | 662 | |
5c96969c | 663 | if (Cmd < 0x100) { |
664 | cdr.Cmd = 0; | |
665 | cdr.ParamC = 0; | |
666 | } | |
e4268a49 | 667 | |
5c96969c | 668 | switch (Cmd) { |
ef79bbde | 669 | case CdlNop: |
80f91a20 | 670 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
671 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 672 | no_busy_error = 1; |
ef79bbde P |
673 | break; |
674 | ||
675 | case CdlSetloc: | |
115d0459 | 676 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
677 | ||
678 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
679 | 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)) | |
680 | { | |
681 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
682 | error = ERROR_INVALIDARG; | |
683 | goto set_error; | |
684 | } | |
685 | else | |
686 | { | |
687 | for (i = 0; i < 3; i++) | |
115d0459 | 688 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 689 | memcpy(cdr.SetSector, set_loc, 3); |
690 | cdr.SetSector[3] = 0; | |
691 | cdr.SetlocPending = 1; | |
692 | } | |
ef79bbde P |
693 | break; |
694 | ||
55b8460a | 695 | do_CdlPlay: |
ef79bbde | 696 | case CdlPlay: |
030bd76a | 697 | StopCdda(); |
05e5c298 | 698 | StopReading(); |
699 | ||
d2e271b2 | 700 | cdr.FastBackward = 0; |
701 | cdr.FastForward = 0; | |
702 | ||
2d5ca6c0 | 703 | // BIOS CD Player |
704 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
705 | ||
5c96969c | 706 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 707 | int track = btoi( cdr.Param[0] ); |
708 | ||
709 | if (track <= cdr.ResultTN[1]) | |
710 | cdr.CurTrack = track; | |
711 | ||
712 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
713 | ||
714 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 715 | for (i = 0; i < 3; i++) |
716 | set_loc[i] = cdr.ResultTD[2 - i]; | |
717 | seekTime = cdrSeekTime(set_loc); | |
718 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 719 | } |
720 | } | |
05e5c298 | 721 | else if (cdr.SetlocPending) { |
722 | seekTime = cdrSeekTime(cdr.SetSector); | |
723 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
724 | } | |
725 | else { | |
726 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
727 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
728 | } | |
729 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 730 | |
9f8b032d | 731 | /* |
732 | Rayman: detect track changes | |
733 | - fixes logo freeze | |
734 | ||
735 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
736 | - plays tracks without retry play | |
737 | ||
738 | Wild 9: skip PREGAP + starting accurate SubQ | |
739 | - plays tracks without retry play | |
740 | */ | |
fffad32e | 741 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 742 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 743 | cdr.TrackChanged = FALSE; |
cdaef86c | 744 | cdr.FirstSector = 1; |
9f8b032d | 745 | |
2d5ca6c0 | 746 | if (!Config.Cdda) |
2e88c317 | 747 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 748 | |
05e5c298 | 749 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 750 | |
751 | // BIOS player - set flag again | |
752 | cdr.Play = TRUE; | |
753 | ||
9a1338bc | 754 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 755 | start_rotating = 1; |
ef79bbde P |
756 | break; |
757 | ||
9f8b032d | 758 | case CdlForward: |
e4268a49 | 759 | // TODO: error 80 if stopped |
9f8b032d | 760 | cdr.Stat = Complete; |
2e88c317 | 761 | |
9f8b032d | 762 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 763 | cdr.FastForward = 1; |
9f8b032d | 764 | cdr.FastBackward = 0; |
ef79bbde P |
765 | break; |
766 | ||
9f8b032d | 767 | case CdlBackward: |
9f8b032d | 768 | cdr.Stat = Complete; |
769 | ||
9f8b032d | 770 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 771 | cdr.FastBackward = 1; |
9f8b032d | 772 | cdr.FastForward = 0; |
ef79bbde P |
773 | break; |
774 | ||
9f8b032d | 775 | case CdlStandby: |
e4268a49 | 776 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
777 | error = ERROR_INVALIDARG; | |
778 | goto set_error; | |
779 | } | |
5c96969c | 780 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 781 | start_rotating = 1; |
782 | break; | |
783 | ||
784 | case CdlStandby + 0x100: | |
ef79bbde P |
785 | cdr.Stat = Complete; |
786 | break; | |
787 | ||
788 | case CdlStop: | |
030bd76a | 789 | if (cdr.Play) { |
790 | // grab time for current track | |
791 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
792 | ||
793 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
794 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
795 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
796 | } | |
797 | ||
798 | StopCdda(); | |
799 | StopReading(); | |
05e5c298 | 800 | SetPlaySeekRead(cdr.StatP, 0); |
801 | cdr.StatP &= ~STATUS_ROTATING; | |
030bd76a | 802 | |
5c96969c | 803 | second_resp_time = 0x800; |
e4268a49 | 804 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 805 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 806 | |
807 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 808 | break; |
809 | ||
810 | case CdlStop + 0x100: | |
ef79bbde | 811 | cdr.Stat = Complete; |
ef79bbde P |
812 | break; |
813 | ||
814 | case CdlPause: | |
05e5c298 | 815 | StopCdda(); |
816 | StopReading(); | |
12228917 | 817 | /* |
818 | Gundam Battle Assault 2: much slower (*) | |
819 | - Fixes boot, gameplay | |
2e88c317 | 820 | |
12228917 | 821 | Hokuto no Ken 2: slower |
822 | - Fixes intro + subtitles | |
2e88c317 | 823 | |
12228917 | 824 | InuYasha - Feudal Fairy Tale: slower |
825 | - Fixes battles | |
826 | */ | |
62018a94 | 827 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
828 | * The timings from Duckstation are based upon hardware tests. | |
829 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
830 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 831 | * */ |
05e5c298 | 832 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 833 | { |
5c96969c | 834 | second_resp_time = 7000; |
62018a94 | 835 | } |
836 | else | |
837 | { | |
5c96969c | 838 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
62018a94 | 839 | } |
05e5c298 | 840 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
841 | cdr.Ctrl |= 0x80; |
842 | break; | |
843 | ||
e4268a49 | 844 | case CdlPause + 0x100: |
9f8b032d | 845 | cdr.Stat = Complete; |
ef79bbde P |
846 | break; |
847 | ||
8399ca33 | 848 | case CdlReset: |
05e5c298 | 849 | StopCdda(); |
850 | StopReading(); | |
851 | SetPlaySeekRead(cdr.StatP, 0); | |
8399ca33 | 852 | cdr.Muted = FALSE; |
2e88c317 | 853 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ |
5c96969c | 854 | second_resp_time = 4100000; |
e4268a49 | 855 | no_busy_error = 1; |
856 | start_rotating = 1; | |
857 | break; | |
858 | ||
8399ca33 | 859 | case CdlReset + 0x100: |
9f8b032d | 860 | cdr.Stat = Complete; |
ef79bbde P |
861 | break; |
862 | ||
9f8b032d | 863 | case CdlMute: |
030bd76a | 864 | cdr.Muted = TRUE; |
ef79bbde P |
865 | break; |
866 | ||
9f8b032d | 867 | case CdlDemute: |
030bd76a | 868 | cdr.Muted = FALSE; |
ef79bbde P |
869 | break; |
870 | ||
9f8b032d | 871 | case CdlSetfilter: |
030bd76a | 872 | cdr.File = cdr.Param[0]; |
873 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 874 | break; |
ef79bbde P |
875 | |
876 | case CdlSetmode: | |
5c96969c | 877 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
878 | cdr.Mode = cdr.Param[0]; | |
e4268a49 | 879 | no_busy_error = 1; |
9f8b032d | 880 | break; |
ef79bbde | 881 | |
95465b97 | 882 | case CdlGetparam: |
2e88c317 | 883 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 884 | SetResultSize(5); |
9f8b032d | 885 | cdr.Result[1] = cdr.Mode; |
95465b97 | 886 | cdr.Result[2] = 0; |
887 | cdr.Result[3] = cdr.File; | |
888 | cdr.Result[4] = cdr.Channel; | |
e4268a49 | 889 | no_busy_error = 1; |
9f8b032d | 890 | break; |
ef79bbde | 891 | |
9f8b032d | 892 | case CdlGetlocL: |
ef79bbde | 893 | SetResultSize(8); |
e4268a49 | 894 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 895 | break; |
ef79bbde P |
896 | |
897 | case CdlGetlocP: | |
fffad32e | 898 | SetResultSize(8); |
899 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 900 | break; |
892bd7d4 | 901 | |
e4268a49 | 902 | case CdlReadT: // SetSession? |
903 | // really long | |
5c96969c | 904 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 905 | start_rotating = 1; |
906 | break; | |
907 | ||
908 | case CdlReadT + 0x100: | |
909 | cdr.Stat = Complete; | |
ef79bbde P |
910 | break; |
911 | ||
9f8b032d | 912 | case CdlGetTN: |
ef79bbde | 913 | SetResultSize(3); |
9f8b032d | 914 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 915 | cdr.Stat = DiskError; |
9f8b032d | 916 | cdr.Result[0] |= STATUS_ERROR; |
917 | } else { | |
918 | cdr.Stat = Acknowledge; | |
919 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
920 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
921 | } | |
922 | break; | |
ef79bbde | 923 | |
9f8b032d | 924 | case CdlGetTD: |
ef79bbde P |
925 | cdr.Track = btoi(cdr.Param[0]); |
926 | SetResultSize(4); | |
ef79bbde P |
927 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
928 | cdr.Stat = DiskError; | |
9f8b032d | 929 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
930 | } else { |
931 | cdr.Stat = Acknowledge; | |
932 | cdr.Result[0] = cdr.StatP; | |
933 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
934 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 935 | /* According to Nocash's documentation, the function doesn't care about ff. |
936 | * This can be seen also in Mednafen's implementation. */ | |
937 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
938 | } |
939 | break; | |
940 | ||
9f8b032d | 941 | case CdlSeekL: |
39df67df | 942 | case CdlSeekP: |
030bd76a | 943 | StopCdda(); |
944 | StopReading(); | |
05e5c298 | 945 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
9f8b032d | 946 | |
05e5c298 | 947 | seekTime = cdrSeekTime(cdr.SetSector); |
948 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 949 | /* |
950 | Crusaders of Might and Magic = 0.5x-4x | |
951 | - fix cutscene speech start | |
952 | ||
953 | Eggs of Steel = 2x-? | |
954 | - fix new game | |
955 | ||
956 | Medievil = ?-4x | |
957 | - fix cutscene speech | |
958 | ||
959 | Rockman X5 = 0.5-4x | |
960 | - fix capcom logo | |
961 | */ | |
9a1338bc | 962 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 963 | start_rotating = 1; |
ef79bbde P |
964 | break; |
965 | ||
966 | case CdlTest: | |
9f8b032d | 967 | switch (cdr.Param[0]) { |
968 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
969 | SetResultSize(4); |
970 | memcpy(cdr.Result, Test20, 4); | |
971 | break; | |
972 | case 0x22: | |
973 | SetResultSize(8); | |
974 | memcpy(cdr.Result, Test22, 4); | |
975 | break; | |
976 | case 0x23: case 0x24: | |
977 | SetResultSize(8); | |
978 | memcpy(cdr.Result, Test23, 4); | |
979 | break; | |
9f8b032d | 980 | } |
e4268a49 | 981 | no_busy_error = 1; |
ef79bbde P |
982 | break; |
983 | ||
9f8b032d | 984 | case CdlID: |
5c96969c | 985 | second_resp_time = 20480; |
ef79bbde P |
986 | break; |
987 | ||
e4268a49 | 988 | case CdlID + 0x100: |
ef79bbde | 989 | SetResultSize(8); |
89ec56af | 990 | cdr.Result[0] = cdr.StatP; |
991 | cdr.Result[1] = 0; | |
992 | cdr.Result[2] = 0; | |
993 | cdr.Result[3] = 0; | |
9f8b032d | 994 | |
d8432250 | 995 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
996 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
997 | cdr.Result[1] = 0xc0; | |
9f8b032d | 998 | } |
999 | else { | |
89ec56af | 1000 | if (stat.Type == 2) |
1001 | cdr.Result[1] |= 0x10; | |
1002 | if (CdromId[0] == '\0') | |
9f8b032d | 1003 | cdr.Result[1] |= 0x80; |
9f8b032d | 1004 | } |
89ec56af | 1005 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1006 | |
3e42b115 | 1007 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1008 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1009 | cdr.Stat = Complete; |
1010 | break; | |
1011 | ||
8399ca33 | 1012 | case CdlInit: |
05e5c298 | 1013 | StopCdda(); |
1014 | StopReading(); | |
1015 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1016 | // yes, it really sets STATUS_SHELLOPEN |
1017 | cdr.StatP |= STATUS_SHELLOPEN; | |
1018 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1019 | CDRLID_INT(20480); | |
1020 | no_busy_error = 1; | |
1021 | start_rotating = 1; | |
9f8b032d | 1022 | break; |
1023 | ||
e4268a49 | 1024 | case CdlGetQ: |
e1a78bc4 | 1025 | no_busy_error = 1; |
9f8b032d | 1026 | break; |
1027 | ||
1028 | case CdlReadToc: | |
5c96969c | 1029 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1030 | no_busy_error = 1; |
1031 | start_rotating = 1; | |
ef79bbde P |
1032 | break; |
1033 | ||
e4268a49 | 1034 | case CdlReadToc + 0x100: |
9f8b032d | 1035 | cdr.Stat = Complete; |
e4268a49 | 1036 | no_busy_error = 1; |
ef79bbde P |
1037 | break; |
1038 | ||
94c118c3 | 1039 | case CdlReadN: |
1040 | case CdlReadS: | |
05e5c298 | 1041 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1042 | |
1043 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1044 | // Read* acts as play for cdda tracks in cdda mode | |
1045 | goto do_CdlPlay; | |
1046 | ||
05e5c298 | 1047 | StopCdda(); |
1048 | if (cdr.SetlocPending) { | |
1049 | seekTime = cdrSeekTime(cdr.SetSector); | |
1050 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1051 | cdr.SetlocPending = 0; | |
1052 | } | |
030bd76a | 1053 | cdr.Reading = 1; |
1054 | cdr.FirstSector = 1; | |
ef79bbde | 1055 | |
9f8b032d | 1056 | // Fighting Force 2 - update subq time immediately |
1057 | // - fixes new game | |
55b8460a | 1058 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 1059 | |
9a1338bc | 1060 | CDRPLAYSEEKREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime, 1); |
ef79bbde | 1061 | |
05e5c298 | 1062 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1063 | start_rotating = 1; |
ef79bbde | 1064 | break; |
f96ca921 | 1065 | case CdlSync: |
ef79bbde | 1066 | default: |
5c96969c | 1067 | CDR_LOG_I("Invalid command: %02x\n", Cmd); |
e4268a49 | 1068 | error = ERROR_INVALIDCMD; |
1069 | // FALLTHROUGH | |
1070 | ||
1071 | set_error: | |
1072 | SetResultSize(2); | |
1073 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
1074 | cdr.Result[1] = error; | |
1075 | cdr.Stat = DiskError; | |
ef79bbde P |
1076 | break; |
1077 | } | |
1078 | ||
e4268a49 | 1079 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1080 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1081 | cdr.StatP |= STATUS_ROTATING; | |
1082 | } | |
1083 | ||
1084 | if (!no_busy_error) { | |
80f91a20 | 1085 | switch (cdr.DriveState) { |
1086 | case DRIVESTATE_LID_OPEN: | |
1087 | case DRIVESTATE_RESCAN_CD: | |
1088 | case DRIVESTATE_PREPARE_CD: | |
1089 | SetResultSize(2); | |
1090 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1091 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1092 | cdr.Stat = DiskError; |
1093 | break; | |
1094 | } | |
1095 | } | |
9f8b032d | 1096 | |
5c96969c | 1097 | if (second_resp_time) { |
1098 | cdr.CmdInProgress = Cmd | 0x100; | |
1099 | CDR_INT(second_resp_time); | |
1100 | } | |
1101 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1102 | cdr.CmdInProgress = cdr.Cmd; | |
1103 | CDR_LOG_I("cdrom: cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); | |
5c96969c | 1104 | } |
1105 | ||
1106 | setIrq(Cmd); | |
ef79bbde P |
1107 | } |
1108 | ||
8f2bb0cb | 1109 | #ifdef HAVE_ARMV7 |
53598a71 | 1110 | #define ssat32_to_16(v) \ |
1111 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1112 | #else | |
1113 | #define ssat32_to_16(v) do { \ | |
1114 | if (v < -32768) v = -32768; \ | |
1115 | else if (v > 32767) v = 32767; \ | |
1116 | } while (0) | |
1117 | #endif | |
1118 | ||
1119 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1120 | { | |
1121 | int i, l, r; | |
1122 | int ll = cdr.AttenuatorLeftToLeft; | |
1123 | int lr = cdr.AttenuatorLeftToRight; | |
1124 | int rl = cdr.AttenuatorRightToLeft; | |
1125 | int rr = cdr.AttenuatorRightToRight; | |
1126 | ||
1127 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1128 | return; | |
1129 | ||
1130 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1131 | return; | |
1132 | ||
1133 | if (stereo) { | |
1134 | for (i = 0; i < samples; i++) { | |
1135 | l = buf[i * 2]; | |
1136 | r = buf[i * 2 + 1]; | |
1137 | l = (l * ll + r * rl) >> 7; | |
1138 | r = (r * rr + l * lr) >> 7; | |
1139 | ssat32_to_16(l); | |
1140 | ssat32_to_16(r); | |
1141 | buf[i * 2] = l; | |
1142 | buf[i * 2 + 1] = r; | |
1143 | } | |
1144 | } | |
1145 | else { | |
1146 | for (i = 0; i < samples; i++) { | |
1147 | l = buf[i]; | |
1148 | l = l * (ll + rl) >> 7; | |
1149 | //r = r * (rr + lr) >> 7; | |
1150 | ssat32_to_16(l); | |
1151 | //ssat32_to_16(r); | |
1152 | buf[i] = l; | |
1153 | } | |
1154 | } | |
1155 | } | |
1156 | ||
f55c59b7 | 1157 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1158 | { |
5c96969c | 1159 | if (cdr.Stat) { |
f55c59b7 | 1160 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1161 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1162 | cdr.CmdInProgress, cdr.Stat); | |
1163 | cdr.Irq1Pending = result; | |
ef79bbde P |
1164 | return; |
1165 | } | |
ef79bbde | 1166 | SetResultSize(1); |
f55c59b7 | 1167 | cdr.Result[0] = result; |
1168 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
1169 | setIrq(0x203); | |
1170 | } | |
1171 | ||
1172 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1173 | { | |
1174 | if (!buf) | |
1175 | return; | |
1176 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1177 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1178 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
1179 | cdr.Readed = 0; | |
1180 | } | |
1181 | ||
1182 | static void cdrReadInterrupt(void) | |
1183 | { | |
1184 | u8 *buf = NULL, *hdr; | |
1185 | ||
05e5c298 | 1186 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
ef79bbde | 1187 | |
55b8460a | 1188 | ReadTrack(cdr.SetSectorPlay); |
f55c59b7 | 1189 | if (cdr.NoErr) |
1190 | buf = CDR_getBuffer(); | |
ef79bbde | 1191 | if (buf == NULL) |
6087d7e7 | 1192 | cdr.NoErr = 0; |
ef79bbde | 1193 | |
2e88c317 | 1194 | if (!cdr.NoErr) { |
8b380e97 | 1195 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde | 1196 | memset(cdr.Transfer, 0, DATA_SIZE); |
f55c59b7 | 1197 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1198 | return; |
1199 | } | |
1200 | ||
f55c59b7 | 1201 | if (!cdr.Irq1Pending) |
1202 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1203 | |
9f8b032d | 1204 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1205 | hdr = buf + 4; |
9f8b032d | 1206 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1207 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1208 | cdr.File = hdr[0]; |
1209 | cdr.Channel = hdr[1]; | |
9f8b032d | 1210 | } |
1211 | ||
0e0ad585 | 1212 | /* Gameblabla |
1213 | * Skips playing on channel 255. | |
1214 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1215 | * TODO : Check if this is the proper behaviour. | |
1216 | * */ | |
f55c59b7 | 1217 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1218 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1219 | if (!ret) { |
53598a71 | 1220 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1221 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1222 | cdr.FirstSector = 0; |
1223 | } | |
1224 | else cdr.FirstSector = -1; | |
1225 | } | |
1226 | } | |
1227 | ||
f55c59b7 | 1228 | /* |
1229 | Croc 2: $40 - only FORM1 (*) | |
1230 | Judge Dredd: $C8 - only FORM1 (*) | |
1231 | Sim Theme Park - no adpcm at all (zero) | |
1232 | */ | |
1233 | ||
1234 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1235 | cdrReadInterruptSetResult(cdr.StatP); | |
1236 | ||
55b8460a | 1237 | cdr.SetSectorPlay[2]++; |
1238 | if (cdr.SetSectorPlay[2] == 75) { | |
1239 | cdr.SetSectorPlay[2] = 0; | |
1240 | cdr.SetSectorPlay[1]++; | |
1241 | if (cdr.SetSectorPlay[1] == 60) { | |
1242 | cdr.SetSectorPlay[1] = 0; | |
1243 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1244 | } |
1245 | } | |
1246 | ||
f55c59b7 | 1247 | if (!cdr.Irq1Pending) { |
1248 | // update for CdlGetlocP | |
1249 | ReadTrack(cdr.SetSectorPlay); | |
1250 | } | |
9f8b032d | 1251 | |
9a1338bc | 1252 | CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1253 | } |
9f8b032d | 1254 | |
f55c59b7 | 1255 | static void doMissedIrqs(void) |
1256 | { | |
1257 | if (cdr.Irq1Pending) | |
1258 | { | |
1259 | // hand out the "newest" sector, according to nocash | |
1260 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
1261 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
1262 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
1263 | SetResultSize(1); | |
1264 | cdr.Result[0] = cdr.Irq1Pending; | |
1265 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
1266 | cdr.Irq1Pending = 0; | |
1267 | setIrq(0x205); | |
1268 | return; | |
ef79bbde | 1269 | } |
f55c59b7 | 1270 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && cdr.CmdInProgress) |
1271 | CDR_INT(256); | |
ef79bbde P |
1272 | } |
1273 | ||
1274 | /* | |
1275 | cdrRead0: | |
94c118c3 | 1276 | bit 0,1 - mode |
ef79bbde P |
1277 | bit 2 - unknown |
1278 | bit 3 - unknown | |
1279 | bit 4 - unknown | |
1280 | bit 5 - 1 result ready | |
1281 | bit 6 - 1 dma ready | |
1282 | bit 7 - 1 command being processed | |
1283 | */ | |
1284 | ||
1285 | unsigned char cdrRead0(void) { | |
1286 | if (cdr.ResultReady) | |
1287 | cdr.Ctrl |= 0x20; | |
1288 | else | |
1289 | cdr.Ctrl &= ~0x20; | |
1290 | ||
5c96969c | 1291 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1292 | |
1293 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1294 | cdr.Ctrl |= 0x18; | |
1295 | ||
e7acd858 | 1296 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1297 | |
1298 | return psxHu8(0x1800) = cdr.Ctrl; | |
1299 | } | |
1300 | ||
ef79bbde | 1301 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1302 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1303 | |
50b13be9 | 1304 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1305 | } |
1306 | ||
1307 | unsigned char cdrRead1(void) { | |
94c118c3 | 1308 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1309 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1310 | else |
ef79bbde | 1311 | psxHu8(0x1801) = 0; |
94c118c3 | 1312 | cdr.ResultP++; |
1313 | if (cdr.ResultP == cdr.ResultC) | |
1314 | cdr.ResultReady = 0; | |
1315 | ||
e7acd858 | 1316 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1317 | |
ef79bbde P |
1318 | return psxHu8(0x1801); |
1319 | } | |
1320 | ||
1321 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1322 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1323 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1324 | |
94c118c3 | 1325 | switch (cdr.Ctrl & 3) { |
1326 | case 0: | |
1327 | break; | |
1328 | case 3: | |
53598a71 | 1329 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1330 | return; |
1331 | default: | |
1332 | return; | |
9f8b032d | 1333 | } |
1334 | ||
8b380e97 | 1335 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1336 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1337 | if (cdr.ParamC) { |
e7acd858 | 1338 | int i; |
ef79bbde P |
1339 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1340 | for (i = 0; i < cdr.ParamC; i++) | |
1341 | SysPrintf(" %x,", cdr.Param[i]); | |
1342 | SysPrintf("}\n"); | |
1343 | } else { | |
1344 | SysPrintf("\n"); | |
1345 | } | |
1346 | #endif | |
1347 | ||
2daaaae3 | 1348 | cdr.ResultReady = 0; |
94c118c3 | 1349 | cdr.Ctrl |= 0x80; |
8b380e97 | 1350 | |
5c96969c | 1351 | if (!cdr.CmdInProgress) { |
1352 | cdr.CmdInProgress = rt; | |
1353 | // should be something like 12k + controller delays | |
1354 | CDR_INT(5000); | |
9f8b032d | 1355 | } |
5c96969c | 1356 | else { |
1357 | CDR_LOG_I("cdr: cmd while busy: %02x, prev %02x, busy %02x\n", | |
1358 | rt, cdr.Cmd, cdr.CmdInProgress); | |
1359 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response | |
1360 | cdr.CmdInProgress = rt; | |
1361 | } | |
1362 | ||
1363 | cdr.Cmd = rt; | |
ef79bbde P |
1364 | } |
1365 | ||
1366 | unsigned char cdrRead2(void) { | |
6cbdadb3 | 1367 | unsigned char ret = 0; |
ef79bbde | 1368 | |
6cbdadb3 | 1369 | if (cdr.Readed && cdr.FifoOffset < DATA_SIZE) |
1370 | ret = cdr.Transfer[cdr.FifoOffset++]; | |
1371 | else | |
1372 | CDR_LOG_I("cdrom: read empty fifo\n"); | |
ef79bbde | 1373 | |
e7acd858 | 1374 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1375 | return ret; |
1376 | } | |
1377 | ||
1378 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1379 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1380 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1381 | |
94c118c3 | 1382 | switch (cdr.Ctrl & 3) { |
1383 | case 0: | |
1384 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1385 | cdr.Param[cdr.ParamC++] = rt; | |
1386 | return; | |
1387 | case 1: | |
1388 | cdr.Reg2 = rt; | |
e7acd858 | 1389 | setIrq(0x204); |
94c118c3 | 1390 | return; |
1391 | case 2: | |
53598a71 | 1392 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1393 | return; |
1394 | case 3: | |
53598a71 | 1395 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1396 | return; |
ef79bbde P |
1397 | } |
1398 | } | |
1399 | ||
1400 | unsigned char cdrRead3(void) { | |
94c118c3 | 1401 | if (cdr.Ctrl & 0x1) |
1402 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1403 | else | |
1404 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1405 | |
e7acd858 | 1406 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1407 | return psxHu8(0x1803); |
1408 | } | |
1409 | ||
1410 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1411 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1412 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1413 | |
94c118c3 | 1414 | switch (cdr.Ctrl & 3) { |
1415 | case 0: | |
a34a2445 | 1416 | break; // transfer |
94c118c3 | 1417 | case 1: |
5c96969c | 1418 | #ifdef CDR_LOG_CMD_IRQ |
1419 | if (cdr.Stat & rt) | |
1420 | SysPrintf("ack %02x\n", cdr.Stat & rt); | |
1421 | #endif | |
a34a2445 | 1422 | cdr.Stat &= ~rt; |
1423 | ||
1424 | if (rt & 0x40) | |
1425 | cdr.ParamC = 0; | |
f55c59b7 | 1426 | doMissedIrqs(); |
a34a2445 | 1427 | return; |
94c118c3 | 1428 | case 2: |
53598a71 | 1429 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1430 | return; |
1431 | case 3: | |
53598a71 | 1432 | if (rt & 0x20) { |
1433 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1434 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1435 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1436 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1437 | } | |
94c118c3 | 1438 | return; |
9f8b032d | 1439 | } |
056d6759 | 1440 | |
94c118c3 | 1441 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1442 | cdr.Readed = 1; |
ef79bbde P |
1443 | |
1444 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1445 | case MODE_SIZE_2328: |
ef79bbde | 1446 | case 0x00: |
6cbdadb3 | 1447 | cdr.FifoOffset = 12; |
ef79bbde | 1448 | break; |
9f8b032d | 1449 | |
1450 | case MODE_SIZE_2340: | |
ef79bbde | 1451 | default: |
6cbdadb3 | 1452 | cdr.FifoOffset = 0; |
ef79bbde P |
1453 | break; |
1454 | } | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1459 | u32 cdsize; | |
c7071c43 | 1460 | int size; |
ef79bbde P |
1461 | u8 *ptr; |
1462 | ||
ef79bbde | 1463 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1464 | |
1465 | switch (chcr) { | |
1466 | case 0x11000000: | |
1467 | case 0x11400100: | |
1468 | if (cdr.Readed == 0) { | |
f55c59b7 | 1469 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1470 | break; |
1471 | } | |
ef79bbde | 1472 | ptr = (u8 *)PSXM(madr); |
b012a437 | 1473 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1474 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1475 | break; |
1476 | } | |
9f8b032d | 1477 | |
6cbdadb3 | 1478 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1479 | ||
9f8b032d | 1480 | /* |
1481 | GS CDX: Enhancement CD crash | |
1482 | - Setloc 0:0:0 | |
1483 | - CdlPlay | |
1484 | - Spams DMA3 and gets buffer overrun | |
1485 | */ | |
6cbdadb3 | 1486 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1487 | if (size > cdsize) |
1488 | size = cdsize; | |
1489 | if (size > 0) | |
9f8b032d | 1490 | { |
6cbdadb3 | 1491 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1492 | cdr.FifoOffset += size; | |
1493 | psxCpu->Clear(madr, size / 4); | |
9f8b032d | 1494 | } |
1495 | ||
9f8b032d | 1496 | if( chcr == 0x11400100 ) { |
58ebb94c | 1497 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
9f8b032d | 1498 | CDRDMA_INT( (cdsize/4) / 4 ); |
1499 | } | |
1500 | else if( chcr == 0x11000000 ) { | |
fc4803bd | 1501 | // CDRDMA_INT( (cdsize/4) * 1 ); |
1502 | // halted | |
1503 | psxRegs.cycle += (cdsize/4) * 24/2; | |
1504 | CDRDMA_INT(16); | |
9f8b032d | 1505 | } |
1506 | return; | |
1507 | ||
ef79bbde | 1508 | default: |
ef79bbde | 1509 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1510 | break; |
1511 | } | |
1512 | ||
1513 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1514 | DMA_INTERRUPT(3); | |
1515 | } | |
1516 | ||
28eea6ac | 1517 | void cdrDmaInterrupt(void) |
9f8b032d | 1518 | { |
ad418c19 | 1519 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1520 | { | |
1521 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1522 | DMA_INTERRUPT(3); | |
1523 | } | |
9f8b032d | 1524 | } |
1525 | ||
fffad32e | 1526 | static void getCdInfo(void) |
1527 | { | |
1528 | u8 tmp; | |
1529 | ||
1530 | CDR_getTN(cdr.ResultTN); | |
1531 | CDR_getTD(0, cdr.SetSectorEnd); | |
1532 | tmp = cdr.SetSectorEnd[0]; | |
1533 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1534 | cdr.SetSectorEnd[2] = tmp; | |
1535 | } | |
1536 | ||
ef79bbde P |
1537 | void cdrReset() { |
1538 | memset(&cdr, 0, sizeof(cdr)); | |
1539 | cdr.CurTrack = 1; | |
1540 | cdr.File = 1; | |
1541 | cdr.Channel = 1; | |
a2d3ccb8 | 1542 | cdr.Reg2 = 0x1f; |
1543 | cdr.Stat = NoIntr; | |
80f91a20 | 1544 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1545 | cdr.StatP = STATUS_ROTATING; |
6cbdadb3 | 1546 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
2e88c317 | 1547 | |
056d6759 | 1548 | // BIOS player - default values |
53598a71 | 1549 | cdr.AttenuatorLeftToLeft = 0x80; |
1550 | cdr.AttenuatorLeftToRight = 0x00; | |
1551 | cdr.AttenuatorRightToLeft = 0x00; | |
1552 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1553 | |
1554 | getCdInfo(); | |
ef79bbde P |
1555 | } |
1556 | ||
496d88d4 | 1557 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1558 | u32 tmp; |
fffad32e | 1559 | u8 tmpp[3]; |
ef79bbde | 1560 | |
fffad32e | 1561 | if (Mode == 0 && !Config.Cdda) |
1562 | CDR_stop(); | |
9f8b032d | 1563 | |
55b8460a | 1564 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1565 | gzfreeze(&cdr, sizeof(cdr)); |
1566 | ||
94c118c3 | 1567 | if (Mode == 1) { |
1568 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1569 | tmp = cdr.FifoOffset; |
94c118c3 | 1570 | } |
ef79bbde P |
1571 | |
1572 | gzfreeze(&tmp, sizeof(tmp)); | |
1573 | ||
42f3c512 | 1574 | if (Mode == 0) { |
fffad32e | 1575 | getCdInfo(); |
1576 | ||
6cbdadb3 | 1577 | cdr.FifoOffset = tmp; |
ef79bbde | 1578 | |
fffad32e | 1579 | // read right sub data |
0204c39a DS |
1580 | tmpp[0] = btoi(cdr.Prev[0]); |
1581 | tmpp[1] = btoi(cdr.Prev[1]); | |
1582 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1583 | cdr.Prev[0]++; |
73b29eeb | 1584 | ReadTrack(tmpp); |
fffad32e | 1585 | |
1586 | if (cdr.Play) { | |
55b8460a | 1587 | if (cdr.freeze_ver < 0x63647202) |
1588 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1589 | ||
fffad32e | 1590 | Find_CurTrack(cdr.SetSectorPlay); |
1591 | if (!Config.Cdda) | |
2e88c317 | 1592 | CDR_play(cdr.SetSectorPlay); |
28eea6ac | 1593 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
9a1338bc | 1594 | CDRPLAYSEEKREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1595 | } |
c69642c8 | 1596 | |
1597 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1598 | // old versions did not latch Reg2, have to fixup.. | |
1599 | if (cdr.Reg2 == 0) { | |
1600 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1601 | cdr.Reg2 = 7; | |
1602 | } | |
0f2dee0f | 1603 | // also did not save Attenuator.. |
1604 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1605 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1606 | { | |
1607 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1608 | } | |
c69642c8 | 1609 | } |
42f3c512 | 1610 | } |
1611 | ||
ef79bbde P |
1612 | return 0; |
1613 | } | |
9f8b032d | 1614 | |
28eea6ac | 1615 | void LidInterrupt(void) { |
fffad32e | 1616 | getCdInfo(); |
80f91a20 | 1617 | cdrLidSeekInterrupt(); |
9f8b032d | 1618 | } |