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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 | |
7df2c03c | 38 | #define CDR_LOG_I log_unhandled |
8b380e97 | 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; | |
e411faef | 79 | unsigned char unused4; |
e7acd858 | 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; | |
3c2583a6 | 92 | unsigned char LocL[8]; |
e7acd858 | 93 | int FirstSector; |
94 | ||
95 | xa_decode_t Xa; | |
96 | ||
e411faef | 97 | u16 FifoOffset; |
98 | u16 FifoSize; | |
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 | ||
3c2583a6 | 210 | #define LOCL_INVALID 0xff |
211 | ||
80f91a20 | 212 | enum drive_state { |
05e5c298 | 213 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 214 | DRIVESTATE_LID_OPEN, |
215 | DRIVESTATE_RESCAN_CD, | |
216 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 217 | DRIVESTATE_STOPPED, |
80f91a20 | 218 | }; |
219 | ||
ef79bbde | 220 | static struct CdrStat stat; |
ef79bbde | 221 | |
fffad32e | 222 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 223 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
224 | } | |
225 | ||
fffad32e | 226 | // for that weird psemu API.. |
227 | static unsigned int fsm2sec(const u8 *msf) { | |
228 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
229 | } | |
230 | ||
305c8c93 | 231 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 232 | msf[0] = s / 75 / 60; |
233 | s = s - msf[0] * 75 * 60; | |
234 | msf[1] = s / 75; | |
235 | s = s - msf[1] * 75; | |
236 | msf[2] = s; | |
237 | } | |
238 | ||
39df67df | 239 | // cdrInterrupt |
ef79bbde | 240 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 241 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
242 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
243 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
244 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 245 | } |
ef79bbde | 246 | |
c4e62180 | 247 | // cdrPlayReadInterrupt |
248 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
9a1338bc | 249 | u32 e_ = eCycle; \ |
d28b54b1 | 250 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 251 | if (isFirst) \ |
252 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
253 | else \ | |
254 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
255 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
256 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 257 | } |
ef79bbde | 258 | |
39df67df | 259 | // cdrLidSeekInterrupt |
9f8b032d | 260 | #define CDRLID_INT(eCycle) { \ |
261 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
262 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
263 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
264 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
265 | } | |
266 | ||
ef79bbde | 267 | #define StopReading() { \ |
05e5c298 | 268 | cdr.Reading = 0; \ |
269 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
270 | } |
271 | ||
272 | #define StopCdda() { \ | |
05e5c298 | 273 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
274 | cdr.Play = FALSE; \ | |
275 | cdr.FastForward = 0; \ | |
276 | cdr.FastBackward = 0; \ | |
277 | } | |
278 | ||
279 | #define SetPlaySeekRead(x, f) { \ | |
280 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
281 | x |= f; \ | |
ef79bbde P |
282 | } |
283 | ||
284 | #define SetResultSize(size) { \ | |
94c118c3 | 285 | cdr.ResultP = 0; \ |
ef79bbde P |
286 | cdr.ResultC = size; \ |
287 | cdr.ResultReady = 1; \ | |
288 | } | |
289 | ||
e7acd858 | 290 | static void setIrq(int log_cmd) |
94c118c3 | 291 | { |
292 | if (cdr.Stat & cdr.Reg2) | |
293 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 294 | |
295 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 296 | if (cdr.Stat) |
e7acd858 | 297 | { |
298 | int i; | |
cf55f16a | 299 | SysPrintf("%u cdrom: CDR IRQ=%d cmd %02x stat %02x: ", |
300 | psxRegs.cycle, !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
e7acd858 | 301 | for (i = 0; i < cdr.ResultC; i++) |
302 | SysPrintf("%02x ", cdr.Result[i]); | |
303 | SysPrintf("\n"); | |
304 | } | |
305 | #endif | |
94c118c3 | 306 | } |
9f8b032d | 307 | |
80f91a20 | 308 | // timing used in this function was taken from tests on real hardware |
309 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 310 | void cdrLidSeekInterrupt(void) |
9f8b032d | 311 | { |
b4638ad9 | 312 | CDR_LOG_I("%u %s cdr.DriveState=%d\n", psxRegs.cycle, __func__, cdr.DriveState); |
313 | ||
80f91a20 | 314 | switch (cdr.DriveState) { |
315 | default: | |
316 | case DRIVESTATE_STANDBY: | |
05e5c298 | 317 | StopCdda(); |
318 | StopReading(); | |
319 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 320 | |
80f91a20 | 321 | if (CDR_getStatus(&stat) == -1) |
322 | return; | |
9f8b032d | 323 | |
80f91a20 | 324 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 325 | { |
80f91a20 | 326 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
327 | CDRLID_INT(0x800); | |
328 | } | |
329 | break; | |
9f8b032d | 330 | |
80f91a20 | 331 | case DRIVESTATE_LID_OPEN: |
332 | if (CDR_getStatus(&stat) == -1) | |
333 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 334 | |
80f91a20 | 335 | // 02, 12, 10 |
336 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 337 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 338 | |
80f91a20 | 339 | // could generate error irq here, but real hardware |
340 | // only sometimes does that | |
341 | // (not done when lots of commands are sent?) | |
9f8b032d | 342 | |
80f91a20 | 343 | CDRLID_INT(cdReadTime * 30); |
344 | break; | |
9f8b032d | 345 | } |
80f91a20 | 346 | else if (cdr.StatP & STATUS_ROTATING) { |
347 | cdr.StatP &= ~STATUS_ROTATING; | |
348 | } | |
349 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
350 | // closed now | |
351 | CheckCdrom(); | |
9f8b032d | 352 | |
80f91a20 | 353 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
354 | // and is only cleared by CdlNop | |
9f8b032d | 355 | |
80f91a20 | 356 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
357 | CDRLID_INT(cdReadTime * 105); | |
358 | break; | |
359 | } | |
9f8b032d | 360 | |
80f91a20 | 361 | // recheck for close |
362 | CDRLID_INT(cdReadTime * 3); | |
363 | break; | |
9f8b032d | 364 | |
80f91a20 | 365 | case DRIVESTATE_RESCAN_CD: |
366 | cdr.StatP |= STATUS_ROTATING; | |
367 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 368 | |
80f91a20 | 369 | // this is very long on real hardware, over 6 seconds |
370 | // make it a bit faster here... | |
371 | CDRLID_INT(cdReadTime * 150); | |
372 | break; | |
9f8b032d | 373 | |
80f91a20 | 374 | case DRIVESTATE_PREPARE_CD: |
b4638ad9 | 375 | if (cdr.StatP & STATUS_SEEK) { |
376 | SetPlaySeekRead(cdr.StatP, 0); | |
377 | cdr.DriveState = DRIVESTATE_STANDBY; | |
378 | } | |
379 | else { | |
380 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
381 | CDRLID_INT(cdReadTime * 26); | |
382 | } | |
80f91a20 | 383 | break; |
9f8b032d | 384 | } |
385 | } | |
386 | ||
fffad32e | 387 | static void Find_CurTrack(const u8 *time) |
388 | { | |
389 | int current, sect; | |
9f8b032d | 390 | |
fffad32e | 391 | current = msf2sec(time); |
9f8b032d | 392 | |
fffad32e | 393 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
394 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
395 | sect = fsm2sec(cdr.ResultTD); | |
396 | if (sect - current >= 150) | |
9f8b032d | 397 | break; |
9f8b032d | 398 | } |
399 | } | |
400 | ||
73b29eeb | 401 | static void generate_subq(const u8 *time) |
402 | { | |
403 | unsigned char start[3], next[3]; | |
404 | unsigned int this_s, start_s, next_s, pregap; | |
405 | int relative_s; | |
406 | ||
407 | CDR_getTD(cdr.CurTrack, start); | |
408 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
409 | pregap = 150; | |
410 | CDR_getTD(cdr.CurTrack + 1, next); | |
411 | } | |
412 | else { | |
413 | // last track - cd size | |
414 | pregap = 0; | |
415 | next[0] = cdr.SetSectorEnd[2]; | |
416 | next[1] = cdr.SetSectorEnd[1]; | |
417 | next[2] = cdr.SetSectorEnd[0]; | |
418 | } | |
419 | ||
420 | this_s = msf2sec(time); | |
421 | start_s = fsm2sec(start); | |
422 | next_s = fsm2sec(next); | |
423 | ||
424 | cdr.TrackChanged = FALSE; | |
425 | ||
426 | if (next_s - this_s < pregap) { | |
427 | cdr.TrackChanged = TRUE; | |
428 | cdr.CurTrack++; | |
429 | start_s = next_s; | |
430 | } | |
431 | ||
432 | cdr.subq.Index = 1; | |
433 | ||
434 | relative_s = this_s - start_s; | |
435 | if (relative_s < 0) { | |
436 | cdr.subq.Index = 0; | |
437 | relative_s = -relative_s; | |
438 | } | |
439 | sec2msf(relative_s, cdr.subq.Relative); | |
440 | ||
441 | cdr.subq.Track = itob(cdr.CurTrack); | |
442 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
443 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
444 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
445 | cdr.subq.Absolute[0] = itob(time[0]); | |
446 | cdr.subq.Absolute[1] = itob(time[1]); | |
447 | cdr.subq.Absolute[2] = itob(time[2]); | |
448 | } | |
449 | ||
3c2583a6 | 450 | static int ReadTrack(const u8 *time) { |
fffad32e | 451 | unsigned char tmp[3]; |
452 | struct SubQ *subq; | |
3c2583a6 | 453 | int read_ok; |
fffad32e | 454 | u16 crc; |
ef79bbde | 455 | |
fffad32e | 456 | tmp[0] = itob(time[0]); |
457 | tmp[1] = itob(time[1]); | |
458 | tmp[2] = itob(time[2]); | |
ef79bbde | 459 | |
fffad32e | 460 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
3c2583a6 | 461 | return 1; |
39df67df | 462 | |
fffad32e | 463 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 464 | |
3c2583a6 | 465 | read_ok = CDR_readTrack(tmp); |
1f665cdd | 466 | if (read_ok) |
467 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 468 | |
fffad32e | 469 | if (CheckSBI(time)) |
3c2583a6 | 470 | return read_ok; |
9f8b032d | 471 | |
fffad32e | 472 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 473 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 474 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 475 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 476 | cdr.subq.Track = subq->TrackNumber; |
477 | cdr.subq.Index = subq->IndexNumber; | |
478 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
479 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 480 | } |
92ca1ba6 | 481 | else { |
73b29eeb | 482 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 483 | tmp[0], tmp[1], tmp[2]); |
484 | } | |
9f8b032d | 485 | } |
fffad32e | 486 | else { |
73b29eeb | 487 | generate_subq(time); |
9f8b032d | 488 | } |
9f8b032d | 489 | |
fffad32e | 490 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
491 | cdr.subq.Track, cdr.subq.Index, | |
492 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
493 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
3c2583a6 | 494 | |
495 | return read_ok; | |
fffad32e | 496 | } |
9f8b032d | 497 | |
7f457614 | 498 | static void cdrPlayInterrupt_Autopause() |
499 | { | |
66425c25 | 500 | u32 abs_lev_max = 0; |
501 | boolean abs_lev_chselect; | |
502 | u32 i; | |
503 | ||
fffad32e | 504 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 505 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 506 | |
507 | // Magic the Gathering | |
508 | // - looping territory cdda | |
509 | ||
510 | // ...? | |
511 | //cdr.ResultReady = 1; | |
512 | //cdr.Stat = DataReady; | |
513 | cdr.Stat = DataEnd; | |
f4a0ef36 | 514 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 515 | |
516 | StopCdda(); | |
05e5c298 | 517 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 518 | } |
d2e271b2 | 519 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 520 | cdr.Result[0] = cdr.StatP; |
521 | cdr.Result[1] = cdr.subq.Track; | |
522 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 523 | |
524 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
525 | ||
526 | /* 8 is a hack. For accuracy, it should be 588. */ | |
527 | for (i = 0; i < 8; i++) | |
528 | { | |
529 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
530 | } | |
531 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
532 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 533 | |
fffad32e | 534 | if (cdr.subq.Absolute[2] & 0x10) { |
535 | cdr.Result[3] = cdr.subq.Relative[0]; | |
536 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
537 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 538 | } |
fffad32e | 539 | else { |
540 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
541 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
542 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
543 | } | |
544 | ||
66425c25 | 545 | cdr.Result[6] = abs_lev_max >> 0; |
546 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 547 | |
548 | // Rayman: Logo freeze (resultready + dataready) | |
549 | cdr.ResultReady = 1; | |
550 | cdr.Stat = DataReady; | |
551 | ||
552 | SetResultSize(8); | |
f4a0ef36 | 553 | setIrq(0x1001); |
7f457614 | 554 | } |
555 | } | |
556 | ||
05e5c298 | 557 | static int cdrSeekTime(unsigned char *target) |
558 | { | |
1290ebe4 | 559 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
560 | int seekTime = abs(diff) * (cdReadTime / 200); | |
05e5c298 | 561 | /* |
562 | * Gameblabla : | |
563 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
564 | * and was unreliable for that game. | |
565 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
566 | * | |
567 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
568 | * Games to test this against if you change that setting : | |
569 | * - Driver (titlescreen music delay and retry mission) | |
570 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
571 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
572 | * | |
573 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
574 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
575 | */ | |
576 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
577 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
578 | return seekTime; | |
579 | } | |
580 | ||
fc7764f1 | 581 | static u32 cdrAlignTimingHack(u32 cycles) |
582 | { | |
583 | /* | |
584 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
585 | * The game has a bug where it issues some cdc commands from a low priority | |
586 | * vint handler, however there is a higher priority default bios handler | |
587 | * that acks the vint irq and returns, so game's handler is not reached | |
588 | * (see bios irq handler chains at e004 and the game's irq handling func | |
589 | * at 80036810). For the game to work, vint has to arrive after the bios | |
590 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
591 | * active), but before the game's handler loop reads I_STAT. The time | |
592 | * window for this is quite small (~1k cycles of so). Apparently this | |
593 | * somehow happens naturally on the real hardware. | |
594 | */ | |
595 | u32 vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
596 | vint_rel += PSXCLK / 60; | |
597 | while ((s32)(vint_rel - cycles) < 0) | |
598 | vint_rel += PSXCLK / 60; | |
599 | return vint_rel; | |
600 | } | |
601 | ||
4d384ca8 | 602 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 603 | static void cdrReadInterrupt(void); |
3e629be9 | 604 | static void cdrPrepCdda(s16 *buf, int samples); |
605 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 606 | |
c4e62180 | 607 | void cdrPlayReadInterrupt(void) |
7f457614 | 608 | { |
28eea6ac | 609 | if (cdr.Reading) { |
610 | cdrReadInterrupt(); | |
611 | return; | |
612 | } | |
613 | ||
39df67df | 614 | if (!cdr.Play) return; |
7f457614 | 615 | |
7f457614 | 616 | CDR_LOG( "CDDA - %d:%d:%d\n", |
617 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 618 | |
28eea6ac | 619 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 620 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
621 | StopCdda(); | |
05e5c298 | 622 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 623 | cdr.TrackChanged = TRUE; |
624 | } | |
084b0f31 | 625 | else { |
626 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
627 | } | |
7f457614 | 628 | |
5c96969c | 629 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 630 | cdrPlayInterrupt_Autopause(); |
631 | ||
cdaef86c | 632 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 633 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 634 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 635 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
636 | cdr.FirstSector = 0; | |
66425c25 | 637 | } |
fffad32e | 638 | |
7f457614 | 639 | cdr.SetSectorPlay[2]++; |
640 | if (cdr.SetSectorPlay[2] == 75) { | |
641 | cdr.SetSectorPlay[2] = 0; | |
642 | cdr.SetSectorPlay[1]++; | |
643 | if (cdr.SetSectorPlay[1] == 60) { | |
644 | cdr.SetSectorPlay[1] = 0; | |
645 | cdr.SetSectorPlay[0]++; | |
646 | } | |
647 | } | |
648 | ||
fffad32e | 649 | // update for CdlGetlocP/autopause |
73b29eeb | 650 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 651 | |
c4e62180 | 652 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 653 | } |
654 | ||
f4a0ef36 | 655 | #define CMD_PART2 0x100 |
656 | #define CMD_WHILE_NOT_READY 0x200 | |
657 | ||
28eea6ac | 658 | void cdrInterrupt(void) { |
e4268a49 | 659 | int start_rotating = 0; |
660 | int error = 0; | |
fc7764f1 | 661 | u32 cycles, seekTime = 0; |
5c96969c | 662 | u32 second_resp_time = 0; |
3c2583a6 | 663 | const void *buf; |
5c96969c | 664 | u8 ParamC; |
115d0459 | 665 | u8 set_loc[3]; |
3c2583a6 | 666 | int read_ok; |
f4a0ef36 | 667 | u16 not_ready = 0; |
5c96969c | 668 | u16 Cmd; |
115d0459 | 669 | int i; |
ef79bbde P |
670 | |
671 | if (cdr.Stat) { | |
cf55f16a | 672 | CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n", |
673 | psxRegs.cycle, cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
674 | return; |
675 | } | |
4d384ca8 | 676 | if (cdr.Irq1Pending) { |
677 | // hand out the "newest" sector, according to nocash | |
678 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
679 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
680 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
681 | SetResultSize(1); | |
682 | cdr.Result[0] = cdr.Irq1Pending; | |
683 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
684 | cdr.Irq1Pending = 0; | |
f4a0ef36 | 685 | setIrq(0x1003); |
4d384ca8 | 686 | return; |
687 | } | |
ef79bbde | 688 | |
e4268a49 | 689 | // default response |
690 | SetResultSize(1); | |
691 | cdr.Result[0] = cdr.StatP; | |
692 | cdr.Stat = Acknowledge; | |
693 | ||
5c96969c | 694 | Cmd = cdr.CmdInProgress; |
695 | cdr.CmdInProgress = 0; | |
696 | ParamC = cdr.ParamC; | |
e4268a49 | 697 | |
5c96969c | 698 | if (Cmd < 0x100) { |
f4a0ef36 | 699 | cdr.Ctrl &= ~0x80; |
5c96969c | 700 | cdr.ParamC = 0; |
f4a0ef36 | 701 | cdr.Cmd = 0; |
702 | } | |
703 | ||
704 | switch (cdr.DriveState) { | |
b4638ad9 | 705 | case DRIVESTATE_PREPARE_CD: |
706 | if (Cmd > 2) { | |
707 | // Syphon filter 2 expects commands to work shortly after it sees | |
708 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
709 | cdr.DriveState = DRIVESTATE_STANDBY; | |
710 | cdr.StatP &= ~STATUS_SEEK; | |
711 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
712 | break; | |
713 | } | |
714 | // fallthrough | |
f4a0ef36 | 715 | case DRIVESTATE_LID_OPEN: |
716 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 717 | // no disk or busy with the initial scan, allowed cmds are limited |
718 | not_ready = CMD_WHILE_NOT_READY; | |
719 | break; | |
5c96969c | 720 | } |
e4268a49 | 721 | |
f4a0ef36 | 722 | switch (Cmd | not_ready) { |
ef79bbde | 723 | case CdlNop: |
f4a0ef36 | 724 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 725 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
726 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
727 | break; |
728 | ||
729 | case CdlSetloc: | |
f4a0ef36 | 730 | case CdlSetloc + CMD_WHILE_NOT_READY: |
115d0459 | 731 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
732 | ||
733 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
734 | 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)) | |
735 | { | |
ab88c81f | 736 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
115d0459 | 737 | error = ERROR_INVALIDARG; |
738 | goto set_error; | |
739 | } | |
740 | else | |
741 | { | |
742 | for (i = 0; i < 3; i++) | |
115d0459 | 743 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 744 | memcpy(cdr.SetSector, set_loc, 3); |
745 | cdr.SetSector[3] = 0; | |
746 | cdr.SetlocPending = 1; | |
747 | } | |
ef79bbde P |
748 | break; |
749 | ||
55b8460a | 750 | do_CdlPlay: |
ef79bbde | 751 | case CdlPlay: |
030bd76a | 752 | StopCdda(); |
05e5c298 | 753 | StopReading(); |
754 | ||
d2e271b2 | 755 | cdr.FastBackward = 0; |
756 | cdr.FastForward = 0; | |
757 | ||
2d5ca6c0 | 758 | // BIOS CD Player |
759 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
760 | ||
5c96969c | 761 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 762 | int track = btoi( cdr.Param[0] ); |
763 | ||
764 | if (track <= cdr.ResultTN[1]) | |
765 | cdr.CurTrack = track; | |
766 | ||
767 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
768 | ||
769 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 770 | for (i = 0; i < 3; i++) |
771 | set_loc[i] = cdr.ResultTD[2 - i]; | |
772 | seekTime = cdrSeekTime(set_loc); | |
773 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 774 | } |
775 | } | |
05e5c298 | 776 | else if (cdr.SetlocPending) { |
777 | seekTime = cdrSeekTime(cdr.SetSector); | |
778 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
779 | } | |
780 | else { | |
781 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
782 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
783 | } | |
784 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 785 | |
9f8b032d | 786 | /* |
787 | Rayman: detect track changes | |
788 | - fixes logo freeze | |
789 | ||
790 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
791 | - plays tracks without retry play | |
792 | ||
793 | Wild 9: skip PREGAP + starting accurate SubQ | |
794 | - plays tracks without retry play | |
795 | */ | |
fffad32e | 796 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 797 | ReadTrack(cdr.SetSectorPlay); |
3c2583a6 | 798 | cdr.LocL[0] = LOCL_INVALID; |
fffad32e | 799 | cdr.TrackChanged = FALSE; |
cdaef86c | 800 | cdr.FirstSector = 1; |
9f8b032d | 801 | |
2d5ca6c0 | 802 | if (!Config.Cdda) |
2e88c317 | 803 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 804 | |
05e5c298 | 805 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 806 | |
807 | // BIOS player - set flag again | |
808 | cdr.Play = TRUE; | |
809 | ||
c4e62180 | 810 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 811 | start_rotating = 1; |
ef79bbde P |
812 | break; |
813 | ||
9f8b032d | 814 | case CdlForward: |
e4268a49 | 815 | // TODO: error 80 if stopped |
9f8b032d | 816 | cdr.Stat = Complete; |
2e88c317 | 817 | |
9f8b032d | 818 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 819 | cdr.FastForward = 1; |
9f8b032d | 820 | cdr.FastBackward = 0; |
ef79bbde P |
821 | break; |
822 | ||
9f8b032d | 823 | case CdlBackward: |
9f8b032d | 824 | cdr.Stat = Complete; |
825 | ||
9f8b032d | 826 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 827 | cdr.FastBackward = 1; |
9f8b032d | 828 | cdr.FastForward = 0; |
ef79bbde P |
829 | break; |
830 | ||
9f8b032d | 831 | case CdlStandby: |
e4268a49 | 832 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
833 | error = ERROR_INVALIDARG; | |
834 | goto set_error; | |
835 | } | |
5c96969c | 836 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 837 | start_rotating = 1; |
838 | break; | |
839 | ||
f4a0ef36 | 840 | case CdlStandby + CMD_PART2: |
ef79bbde P |
841 | cdr.Stat = Complete; |
842 | break; | |
843 | ||
844 | case CdlStop: | |
030bd76a | 845 | if (cdr.Play) { |
846 | // grab time for current track | |
847 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
848 | ||
849 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
850 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
851 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
852 | } | |
853 | ||
854 | StopCdda(); | |
855 | StopReading(); | |
05e5c298 | 856 | SetPlaySeekRead(cdr.StatP, 0); |
857 | cdr.StatP &= ~STATUS_ROTATING; | |
3c2583a6 | 858 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 859 | |
5c96969c | 860 | second_resp_time = 0x800; |
e4268a49 | 861 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 862 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 863 | |
864 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 865 | break; |
866 | ||
f4a0ef36 | 867 | case CdlStop + CMD_PART2: |
ef79bbde | 868 | cdr.Stat = Complete; |
ef79bbde P |
869 | break; |
870 | ||
871 | case CdlPause: | |
05e5c298 | 872 | StopCdda(); |
873 | StopReading(); | |
12228917 | 874 | /* |
875 | Gundam Battle Assault 2: much slower (*) | |
876 | - Fixes boot, gameplay | |
2e88c317 | 877 | |
12228917 | 878 | Hokuto no Ken 2: slower |
879 | - Fixes intro + subtitles | |
2e88c317 | 880 | |
12228917 | 881 | InuYasha - Feudal Fairy Tale: slower |
882 | - Fixes battles | |
883 | */ | |
62018a94 | 884 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
885 | * The timings from Duckstation are based upon hardware tests. | |
886 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
887 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 888 | * */ |
05e5c298 | 889 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 890 | { |
5c96969c | 891 | second_resp_time = 7000; |
62018a94 | 892 | } |
893 | else | |
894 | { | |
5c96969c | 895 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
62018a94 | 896 | } |
05e5c298 | 897 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
898 | break; |
899 | ||
f4a0ef36 | 900 | case CdlPause + CMD_PART2: |
9f8b032d | 901 | cdr.Stat = Complete; |
ef79bbde P |
902 | break; |
903 | ||
8399ca33 | 904 | case CdlReset: |
f4a0ef36 | 905 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 906 | StopCdda(); |
907 | StopReading(); | |
908 | SetPlaySeekRead(cdr.StatP, 0); | |
3c2583a6 | 909 | cdr.LocL[0] = LOCL_INVALID; |
8399ca33 | 910 | cdr.Muted = FALSE; |
2e88c317 | 911 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 912 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 913 | start_rotating = 1; |
914 | break; | |
915 | ||
f4a0ef36 | 916 | case CdlReset + CMD_PART2: |
917 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 918 | cdr.Stat = Complete; |
ef79bbde P |
919 | break; |
920 | ||
9f8b032d | 921 | case CdlMute: |
030bd76a | 922 | cdr.Muted = TRUE; |
ef79bbde P |
923 | break; |
924 | ||
9f8b032d | 925 | case CdlDemute: |
030bd76a | 926 | cdr.Muted = FALSE; |
ef79bbde P |
927 | break; |
928 | ||
9f8b032d | 929 | case CdlSetfilter: |
030bd76a | 930 | cdr.File = cdr.Param[0]; |
931 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 932 | break; |
ef79bbde P |
933 | |
934 | case CdlSetmode: | |
f4a0ef36 | 935 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 936 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
937 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 938 | break; |
ef79bbde | 939 | |
95465b97 | 940 | case CdlGetparam: |
f4a0ef36 | 941 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 942 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 943 | SetResultSize(5); |
9f8b032d | 944 | cdr.Result[1] = cdr.Mode; |
95465b97 | 945 | cdr.Result[2] = 0; |
946 | cdr.Result[3] = cdr.File; | |
947 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 948 | break; |
ef79bbde | 949 | |
9f8b032d | 950 | case CdlGetlocL: |
3c2583a6 | 951 | if (cdr.LocL[0] == LOCL_INVALID) { |
952 | error = 0x80; | |
953 | goto set_error; | |
954 | } | |
ef79bbde | 955 | SetResultSize(8); |
3c2583a6 | 956 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 957 | break; |
ef79bbde P |
958 | |
959 | case CdlGetlocP: | |
fffad32e | 960 | SetResultSize(8); |
961 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 962 | break; |
892bd7d4 | 963 | |
e4268a49 | 964 | case CdlReadT: // SetSession? |
965 | // really long | |
5c96969c | 966 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 967 | start_rotating = 1; |
968 | break; | |
969 | ||
f4a0ef36 | 970 | case CdlReadT + CMD_PART2: |
e4268a49 | 971 | cdr.Stat = Complete; |
ef79bbde P |
972 | break; |
973 | ||
9f8b032d | 974 | case CdlGetTN: |
ef79bbde | 975 | SetResultSize(3); |
9f8b032d | 976 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 977 | cdr.Stat = DiskError; |
9f8b032d | 978 | cdr.Result[0] |= STATUS_ERROR; |
979 | } else { | |
980 | cdr.Stat = Acknowledge; | |
981 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
982 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
983 | } | |
984 | break; | |
ef79bbde | 985 | |
9f8b032d | 986 | case CdlGetTD: |
ef79bbde P |
987 | cdr.Track = btoi(cdr.Param[0]); |
988 | SetResultSize(4); | |
ef79bbde P |
989 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
990 | cdr.Stat = DiskError; | |
9f8b032d | 991 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
992 | } else { |
993 | cdr.Stat = Acknowledge; | |
994 | cdr.Result[0] = cdr.StatP; | |
995 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
996 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 997 | /* According to Nocash's documentation, the function doesn't care about ff. |
998 | * This can be seen also in Mednafen's implementation. */ | |
999 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1000 | } |
1001 | break; | |
1002 | ||
9f8b032d | 1003 | case CdlSeekL: |
39df67df | 1004 | case CdlSeekP: |
030bd76a | 1005 | StopCdda(); |
1006 | StopReading(); | |
c4e62180 | 1007 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1008 | |
05e5c298 | 1009 | seekTime = cdrSeekTime(cdr.SetSector); |
1010 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1011 | /* |
1012 | Crusaders of Might and Magic = 0.5x-4x | |
1013 | - fix cutscene speech start | |
1014 | ||
1015 | Eggs of Steel = 2x-? | |
1016 | - fix new game | |
1017 | ||
1018 | Medievil = ?-4x | |
1019 | - fix cutscene speech | |
1020 | ||
1021 | Rockman X5 = 0.5-4x | |
1022 | - fix capcom logo | |
1023 | */ | |
c4e62180 | 1024 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1025 | start_rotating = 1; |
ef79bbde P |
1026 | break; |
1027 | ||
c4e62180 | 1028 | case CdlSeekL + CMD_PART2: |
1029 | case CdlSeekP + CMD_PART2: | |
1030 | SetPlaySeekRead(cdr.StatP, 0); | |
5b406fd9 | 1031 | cdr.Result[0] = cdr.StatP; |
c4e62180 | 1032 | cdr.Stat = Complete; |
1033 | ||
1034 | Find_CurTrack(cdr.SetSectorPlay); | |
3c2583a6 | 1035 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1036 | if (read_ok && (buf = CDR_getBuffer())) | |
1037 | memcpy(cdr.LocL, buf, 8); | |
c4e62180 | 1038 | cdr.TrackChanged = FALSE; |
1039 | break; | |
1040 | ||
ef79bbde | 1041 | case CdlTest: |
f4a0ef36 | 1042 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1043 | switch (cdr.Param[0]) { |
1044 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1045 | SetResultSize(4); |
1046 | memcpy(cdr.Result, Test20, 4); | |
1047 | break; | |
1048 | case 0x22: | |
1049 | SetResultSize(8); | |
1050 | memcpy(cdr.Result, Test22, 4); | |
1051 | break; | |
1052 | case 0x23: case 0x24: | |
1053 | SetResultSize(8); | |
1054 | memcpy(cdr.Result, Test23, 4); | |
1055 | break; | |
9f8b032d | 1056 | } |
ef79bbde P |
1057 | break; |
1058 | ||
9f8b032d | 1059 | case CdlID: |
5c96969c | 1060 | second_resp_time = 20480; |
ef79bbde P |
1061 | break; |
1062 | ||
f4a0ef36 | 1063 | case CdlID + CMD_PART2: |
ef79bbde | 1064 | SetResultSize(8); |
89ec56af | 1065 | cdr.Result[0] = cdr.StatP; |
1066 | cdr.Result[1] = 0; | |
1067 | cdr.Result[2] = 0; | |
1068 | cdr.Result[3] = 0; | |
9f8b032d | 1069 | |
d8432250 | 1070 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1071 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1072 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1073 | } |
1074 | else { | |
89ec56af | 1075 | if (stat.Type == 2) |
1076 | cdr.Result[1] |= 0x10; | |
1077 | if (CdromId[0] == '\0') | |
9f8b032d | 1078 | cdr.Result[1] |= 0x80; |
9f8b032d | 1079 | } |
89ec56af | 1080 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1081 | |
3e42b115 | 1082 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1083 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1084 | cdr.Stat = Complete; |
1085 | break; | |
1086 | ||
8399ca33 | 1087 | case CdlInit: |
f4a0ef36 | 1088 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1089 | StopCdda(); |
1090 | StopReading(); | |
1091 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1092 | // yes, it really sets STATUS_SHELLOPEN |
1093 | cdr.StatP |= STATUS_SHELLOPEN; | |
1094 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1095 | CDRLID_INT(20480); | |
e4268a49 | 1096 | start_rotating = 1; |
9f8b032d | 1097 | break; |
1098 | ||
e4268a49 | 1099 | case CdlGetQ: |
f4a0ef36 | 1100 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1101 | break; |
1102 | ||
1103 | case CdlReadToc: | |
f4a0ef36 | 1104 | case CdlReadToc + CMD_WHILE_NOT_READY: |
3c2583a6 | 1105 | cdr.LocL[0] = LOCL_INVALID; |
5c96969c | 1106 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1107 | start_rotating = 1; |
ef79bbde P |
1108 | break; |
1109 | ||
f4a0ef36 | 1110 | case CdlReadToc + CMD_PART2: |
1111 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1112 | cdr.Stat = Complete; |
ef79bbde P |
1113 | break; |
1114 | ||
94c118c3 | 1115 | case CdlReadN: |
1116 | case CdlReadS: | |
ab88c81f | 1117 | if (cdr.Reading && !cdr.SetlocPending) |
1118 | break; | |
1119 | ||
05e5c298 | 1120 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1121 | |
1122 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1123 | // Read* acts as play for cdda tracks in cdda mode | |
1124 | goto do_CdlPlay; | |
1125 | ||
05e5c298 | 1126 | StopCdda(); |
1127 | if (cdr.SetlocPending) { | |
1128 | seekTime = cdrSeekTime(cdr.SetSector); | |
1129 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1130 | cdr.SetlocPending = 0; | |
1131 | } | |
030bd76a | 1132 | cdr.Reading = 1; |
1133 | cdr.FirstSector = 1; | |
ef79bbde | 1134 | |
9f8b032d | 1135 | // Fighting Force 2 - update subq time immediately |
1136 | // - fixes new game | |
55b8460a | 1137 | ReadTrack(cdr.SetSectorPlay); |
3c2583a6 | 1138 | cdr.LocL[0] = LOCL_INVALID; |
9f8b032d | 1139 | |
fc7764f1 | 1140 | cycles = (cdr.Mode & 0x80) ? cdReadTime : cdReadTime * 2; |
1141 | cycles += seekTime; | |
1142 | cycles = cdrAlignTimingHack(cycles); | |
1143 | CDRPLAYREAD_INT(cycles, 1); | |
ef79bbde | 1144 | |
05e5c298 | 1145 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1146 | start_rotating = 1; |
ef79bbde | 1147 | break; |
3c2583a6 | 1148 | |
f96ca921 | 1149 | case CdlSync: |
ef79bbde | 1150 | default: |
e4268a49 | 1151 | error = ERROR_INVALIDCMD; |
1152 | // FALLTHROUGH | |
1153 | ||
1154 | set_error: | |
3c2583a6 | 1155 | CDR_LOG_I("cdrom: cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1156 | SetResultSize(2); |
1157 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
f4a0ef36 | 1158 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1159 | cdr.Stat = DiskError; |
ef79bbde P |
1160 | break; |
1161 | } | |
1162 | ||
e4268a49 | 1163 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1164 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1165 | cdr.StatP |= STATUS_ROTATING; | |
1166 | } | |
1167 | ||
5c96969c | 1168 | if (second_resp_time) { |
1169 | cdr.CmdInProgress = Cmd | 0x100; | |
1170 | CDR_INT(second_resp_time); | |
1171 | } | |
1172 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1173 | cdr.CmdInProgress = cdr.Cmd; | |
cf55f16a | 1174 | CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n", |
1175 | psxRegs.cycle, cdr.Cmd, Cmd); | |
5c96969c | 1176 | } |
1177 | ||
1178 | setIrq(Cmd); | |
ef79bbde P |
1179 | } |
1180 | ||
8f2bb0cb | 1181 | #ifdef HAVE_ARMV7 |
53598a71 | 1182 | #define ssat32_to_16(v) \ |
1183 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1184 | #else | |
1185 | #define ssat32_to_16(v) do { \ | |
1186 | if (v < -32768) v = -32768; \ | |
1187 | else if (v > 32767) v = 32767; \ | |
1188 | } while (0) | |
1189 | #endif | |
1190 | ||
3e629be9 | 1191 | static void cdrPrepCdda(s16 *buf, int samples) |
1192 | { | |
1193 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1194 | int i; | |
1195 | for (i = 0; i < samples; i++) { | |
1196 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1197 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1198 | } | |
1199 | #endif | |
1200 | } | |
1201 | ||
1202 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1203 | { |
1204 | int i, l, r; | |
1205 | int ll = cdr.AttenuatorLeftToLeft; | |
1206 | int lr = cdr.AttenuatorLeftToRight; | |
1207 | int rl = cdr.AttenuatorRightToLeft; | |
1208 | int rr = cdr.AttenuatorRightToRight; | |
1209 | ||
1210 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1211 | return; | |
1212 | ||
1213 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1214 | return; | |
1215 | ||
1216 | if (stereo) { | |
1217 | for (i = 0; i < samples; i++) { | |
1218 | l = buf[i * 2]; | |
1219 | r = buf[i * 2 + 1]; | |
1220 | l = (l * ll + r * rl) >> 7; | |
1221 | r = (r * rr + l * lr) >> 7; | |
1222 | ssat32_to_16(l); | |
1223 | ssat32_to_16(r); | |
1224 | buf[i * 2] = l; | |
1225 | buf[i * 2 + 1] = r; | |
1226 | } | |
1227 | } | |
1228 | else { | |
1229 | for (i = 0; i < samples; i++) { | |
1230 | l = buf[i]; | |
1231 | l = l * (ll + rl) >> 7; | |
1232 | //r = r * (rr + lr) >> 7; | |
1233 | ssat32_to_16(l); | |
1234 | //ssat32_to_16(r); | |
1235 | buf[i] = l; | |
1236 | } | |
1237 | } | |
1238 | } | |
1239 | ||
f55c59b7 | 1240 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1241 | { |
5c96969c | 1242 | if (cdr.Stat) { |
f55c59b7 | 1243 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1244 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1245 | cdr.CmdInProgress, cdr.Stat); | |
1246 | cdr.Irq1Pending = result; | |
ef79bbde P |
1247 | return; |
1248 | } | |
ef79bbde | 1249 | SetResultSize(1); |
f55c59b7 | 1250 | cdr.Result[0] = result; |
1251 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
f4a0ef36 | 1252 | setIrq(0x1004); |
f55c59b7 | 1253 | } |
1254 | ||
1255 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1256 | { | |
1257 | if (!buf) | |
1258 | return; | |
1259 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1260 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1261 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1262 | if (cdr.FifoOffset < 2048 + 12) |
1263 | CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
f55c59b7 | 1264 | } |
1265 | ||
1266 | static void cdrReadInterrupt(void) | |
1267 | { | |
1268 | u8 *buf = NULL, *hdr; | |
3c2583a6 | 1269 | int read_ok; |
f55c59b7 | 1270 | |
05e5c298 | 1271 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
ef79bbde | 1272 | |
3c2583a6 | 1273 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1274 | if (read_ok) | |
f55c59b7 | 1275 | buf = CDR_getBuffer(); |
ef79bbde | 1276 | if (buf == NULL) |
3c2583a6 | 1277 | read_ok = 0; |
ef79bbde | 1278 | |
3c2583a6 | 1279 | if (!read_ok) { |
8b380e97 | 1280 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f55c59b7 | 1281 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1282 | return; |
1283 | } | |
3c2583a6 | 1284 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1285 | |
f55c59b7 | 1286 | if (!cdr.Irq1Pending) |
1287 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1288 | |
9f8b032d | 1289 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1290 | hdr = buf + 4; |
9f8b032d | 1291 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1292 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1293 | cdr.File = hdr[0]; |
1294 | cdr.Channel = hdr[1]; | |
9f8b032d | 1295 | } |
1296 | ||
0e0ad585 | 1297 | /* Gameblabla |
1298 | * Skips playing on channel 255. | |
1299 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1300 | * TODO : Check if this is the proper behaviour. | |
1301 | * */ | |
f55c59b7 | 1302 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1303 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1304 | if (!ret) { |
53598a71 | 1305 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1306 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1307 | cdr.FirstSector = 0; |
1308 | } | |
1309 | else cdr.FirstSector = -1; | |
1310 | } | |
1311 | } | |
1312 | ||
f55c59b7 | 1313 | /* |
1314 | Croc 2: $40 - only FORM1 (*) | |
1315 | Judge Dredd: $C8 - only FORM1 (*) | |
1316 | Sim Theme Park - no adpcm at all (zero) | |
1317 | */ | |
1318 | ||
1319 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1320 | cdrReadInterruptSetResult(cdr.StatP); | |
1321 | ||
55b8460a | 1322 | cdr.SetSectorPlay[2]++; |
1323 | if (cdr.SetSectorPlay[2] == 75) { | |
1324 | cdr.SetSectorPlay[2] = 0; | |
1325 | cdr.SetSectorPlay[1]++; | |
1326 | if (cdr.SetSectorPlay[1] == 60) { | |
1327 | cdr.SetSectorPlay[1] = 0; | |
1328 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1329 | } |
1330 | } | |
1331 | ||
f55c59b7 | 1332 | if (!cdr.Irq1Pending) { |
1333 | // update for CdlGetlocP | |
1334 | ReadTrack(cdr.SetSectorPlay); | |
1335 | } | |
9f8b032d | 1336 | |
c4e62180 | 1337 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1338 | } |
9f8b032d | 1339 | |
ef79bbde P |
1340 | /* |
1341 | cdrRead0: | |
94c118c3 | 1342 | bit 0,1 - mode |
ef79bbde P |
1343 | bit 2 - unknown |
1344 | bit 3 - unknown | |
1345 | bit 4 - unknown | |
1346 | bit 5 - 1 result ready | |
1347 | bit 6 - 1 dma ready | |
1348 | bit 7 - 1 command being processed | |
1349 | */ | |
1350 | ||
1351 | unsigned char cdrRead0(void) { | |
1352 | if (cdr.ResultReady) | |
1353 | cdr.Ctrl |= 0x20; | |
1354 | else | |
1355 | cdr.Ctrl &= ~0x20; | |
1356 | ||
5c96969c | 1357 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1358 | |
1359 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1360 | cdr.Ctrl |= 0x18; | |
1361 | ||
e7acd858 | 1362 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1363 | |
1364 | return psxHu8(0x1800) = cdr.Ctrl; | |
1365 | } | |
1366 | ||
ef79bbde | 1367 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1368 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1369 | |
50b13be9 | 1370 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1371 | } |
1372 | ||
1373 | unsigned char cdrRead1(void) { | |
94c118c3 | 1374 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1375 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1376 | else |
ef79bbde | 1377 | psxHu8(0x1801) = 0; |
94c118c3 | 1378 | cdr.ResultP++; |
1379 | if (cdr.ResultP == cdr.ResultC) | |
1380 | cdr.ResultReady = 0; | |
1381 | ||
e7acd858 | 1382 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1383 | |
ef79bbde P |
1384 | return psxHu8(0x1801); |
1385 | } | |
1386 | ||
1387 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1388 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1389 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1390 | |
94c118c3 | 1391 | switch (cdr.Ctrl & 3) { |
1392 | case 0: | |
1393 | break; | |
1394 | case 3: | |
53598a71 | 1395 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1396 | return; |
1397 | default: | |
1398 | return; | |
9f8b032d | 1399 | } |
1400 | ||
8b380e97 | 1401 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1402 | SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]); |
ef79bbde | 1403 | if (cdr.ParamC) { |
e7acd858 | 1404 | int i; |
ef79bbde P |
1405 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1406 | for (i = 0; i < cdr.ParamC; i++) | |
1407 | SysPrintf(" %x,", cdr.Param[i]); | |
1408 | SysPrintf("}\n"); | |
1409 | } else { | |
1410 | SysPrintf("\n"); | |
1411 | } | |
1412 | #endif | |
1413 | ||
2daaaae3 | 1414 | cdr.ResultReady = 0; |
94c118c3 | 1415 | cdr.Ctrl |= 0x80; |
8b380e97 | 1416 | |
5c96969c | 1417 | if (!cdr.CmdInProgress) { |
1418 | cdr.CmdInProgress = rt; | |
1419 | // should be something like 12k + controller delays | |
1420 | CDR_INT(5000); | |
9f8b032d | 1421 | } |
5c96969c | 1422 | else { |
cf55f16a | 1423 | CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n", |
1424 | psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1425 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1426 | cdr.CmdInProgress = rt; | |
1427 | } | |
1428 | ||
1429 | cdr.Cmd = rt; | |
ef79bbde P |
1430 | } |
1431 | ||
1432 | unsigned char cdrRead2(void) { | |
6cbdadb3 | 1433 | unsigned char ret = 0; |
ef79bbde | 1434 | |
e411faef | 1435 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1436 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1437 | else | |
e411faef | 1438 | CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1439 | |
e7acd858 | 1440 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1441 | return ret; |
1442 | } | |
1443 | ||
1444 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1445 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1446 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1447 | |
94c118c3 | 1448 | switch (cdr.Ctrl & 3) { |
1449 | case 0: | |
1450 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1451 | cdr.Param[cdr.ParamC++] = rt; | |
1452 | return; | |
1453 | case 1: | |
1454 | cdr.Reg2 = rt; | |
f4a0ef36 | 1455 | setIrq(0x1005); |
94c118c3 | 1456 | return; |
1457 | case 2: | |
53598a71 | 1458 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1459 | return; |
1460 | case 3: | |
53598a71 | 1461 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1462 | return; |
ef79bbde P |
1463 | } |
1464 | } | |
1465 | ||
1466 | unsigned char cdrRead3(void) { | |
94c118c3 | 1467 | if (cdr.Ctrl & 0x1) |
1468 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1469 | else | |
1470 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1471 | |
e7acd858 | 1472 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1473 | return psxHu8(0x1803); |
1474 | } | |
1475 | ||
1476 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1477 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1478 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1479 | |
94c118c3 | 1480 | switch (cdr.Ctrl & 3) { |
1481 | case 0: | |
a34a2445 | 1482 | break; // transfer |
94c118c3 | 1483 | case 1: |
4d384ca8 | 1484 | if (cdr.Stat & rt) { |
5c96969c | 1485 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1486 | SysPrintf("%u cdrom: ack %02x (w %02x)\n", |
1487 | psxRegs.cycle, cdr.Stat & rt, rt); | |
5c96969c | 1488 | #endif |
cf55f16a | 1489 | // note: Croc vs Discworld Noir |
4d384ca8 | 1490 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && |
1491 | (cdr.CmdInProgress || cdr.Irq1Pending)) | |
cf55f16a | 1492 | CDR_INT(850); // 711-993 |
4d384ca8 | 1493 | } |
a34a2445 | 1494 | cdr.Stat &= ~rt; |
1495 | ||
1496 | if (rt & 0x40) | |
1497 | cdr.ParamC = 0; | |
1498 | return; | |
94c118c3 | 1499 | case 2: |
53598a71 | 1500 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1501 | return; |
1502 | case 3: | |
53598a71 | 1503 | if (rt & 0x20) { |
1504 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1505 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1506 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1507 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1508 | } | |
94c118c3 | 1509 | return; |
9f8b032d | 1510 | } |
056d6759 | 1511 | |
e411faef | 1512 | // test: Viewpoint |
1513 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1514 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1515 | } | |
1516 | else if (rt & 0x80) { | |
ef79bbde | 1517 | switch (cdr.Mode & 0x30) { |
9f8b032d | 1518 | case MODE_SIZE_2328: |
ef79bbde | 1519 | case 0x00: |
6cbdadb3 | 1520 | cdr.FifoOffset = 12; |
e411faef | 1521 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1522 | break; |
9f8b032d | 1523 | |
1524 | case MODE_SIZE_2340: | |
ef79bbde | 1525 | default: |
6cbdadb3 | 1526 | cdr.FifoOffset = 0; |
e411faef | 1527 | cdr.FifoSize = 2340; |
ef79bbde P |
1528 | break; |
1529 | } | |
1530 | } | |
e411faef | 1531 | else if (!(rt & 0xc0)) |
1532 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1533 | } |
1534 | ||
1535 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1536 | u32 cdsize; | |
c7071c43 | 1537 | int size; |
ef79bbde P |
1538 | u8 *ptr; |
1539 | ||
ef79bbde | 1540 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde | 1541 | |
7b68d92c | 1542 | switch (chcr & 0x71000000) { |
ef79bbde | 1543 | case 0x11000000: |
ef79bbde | 1544 | ptr = (u8 *)PSXM(madr); |
b012a437 | 1545 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1546 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1547 | break; |
1548 | } | |
9f8b032d | 1549 | |
6cbdadb3 | 1550 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1551 | ||
9f8b032d | 1552 | /* |
1553 | GS CDX: Enhancement CD crash | |
1554 | - Setloc 0:0:0 | |
1555 | - CdlPlay | |
1556 | - Spams DMA3 and gets buffer overrun | |
1557 | */ | |
6cbdadb3 | 1558 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1559 | if (size > cdsize) |
1560 | size = cdsize; | |
1561 | if (size > 0) | |
9f8b032d | 1562 | { |
6cbdadb3 | 1563 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1564 | cdr.FifoOffset += size; | |
1565 | psxCpu->Clear(madr, size / 4); | |
9f8b032d | 1566 | } |
7df2c03c | 1567 | if (size < cdsize) |
1568 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); | |
9f8b032d | 1569 | |
7b68d92c | 1570 | CDRDMA_INT((cdsize/4) * 24); |
1571 | ||
1572 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1573 | if (chcr & 0x100) { | |
58ebb94c | 1574 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1575 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1576 | } |
7b68d92c | 1577 | else { |
fc4803bd | 1578 | // halted |
7b68d92c | 1579 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1580 | } |
1581 | return; | |
1582 | ||
ef79bbde | 1583 | default: |
7df2c03c | 1584 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1585 | break; |
1586 | } | |
1587 | ||
1588 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1589 | DMA_INTERRUPT(3); | |
1590 | } | |
1591 | ||
28eea6ac | 1592 | void cdrDmaInterrupt(void) |
9f8b032d | 1593 | { |
ad418c19 | 1594 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1595 | { | |
1596 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1597 | DMA_INTERRUPT(3); | |
1598 | } | |
9f8b032d | 1599 | } |
1600 | ||
fffad32e | 1601 | static void getCdInfo(void) |
1602 | { | |
1603 | u8 tmp; | |
1604 | ||
1605 | CDR_getTN(cdr.ResultTN); | |
1606 | CDR_getTD(0, cdr.SetSectorEnd); | |
1607 | tmp = cdr.SetSectorEnd[0]; | |
1608 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1609 | cdr.SetSectorEnd[2] = tmp; | |
1610 | } | |
1611 | ||
ef79bbde P |
1612 | void cdrReset() { |
1613 | memset(&cdr, 0, sizeof(cdr)); | |
1614 | cdr.CurTrack = 1; | |
1615 | cdr.File = 1; | |
1616 | cdr.Channel = 1; | |
a2d3ccb8 | 1617 | cdr.Reg2 = 0x1f; |
1618 | cdr.Stat = NoIntr; | |
6cbdadb3 | 1619 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b4638ad9 | 1620 | if (CdromId[0] == '\0') { |
1621 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1622 | cdr.StatP = 0; | |
1623 | } | |
1624 | else { | |
1625 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1626 | cdr.StatP = STATUS_ROTATING; | |
1627 | } | |
2e88c317 | 1628 | |
056d6759 | 1629 | // BIOS player - default values |
53598a71 | 1630 | cdr.AttenuatorLeftToLeft = 0x80; |
1631 | cdr.AttenuatorLeftToRight = 0x00; | |
1632 | cdr.AttenuatorRightToLeft = 0x00; | |
1633 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1634 | |
1635 | getCdInfo(); | |
ef79bbde P |
1636 | } |
1637 | ||
496d88d4 | 1638 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1639 | u32 tmp; |
fffad32e | 1640 | u8 tmpp[3]; |
ef79bbde | 1641 | |
fffad32e | 1642 | if (Mode == 0 && !Config.Cdda) |
1643 | CDR_stop(); | |
9f8b032d | 1644 | |
55b8460a | 1645 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1646 | gzfreeze(&cdr, sizeof(cdr)); |
1647 | ||
94c118c3 | 1648 | if (Mode == 1) { |
1649 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1650 | tmp = cdr.FifoOffset; |
94c118c3 | 1651 | } |
ef79bbde P |
1652 | |
1653 | gzfreeze(&tmp, sizeof(tmp)); | |
1654 | ||
42f3c512 | 1655 | if (Mode == 0) { |
fffad32e | 1656 | getCdInfo(); |
1657 | ||
6cbdadb3 | 1658 | cdr.FifoOffset = tmp; |
e411faef | 1659 | cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12; |
ef79bbde | 1660 | |
fffad32e | 1661 | // read right sub data |
0204c39a DS |
1662 | tmpp[0] = btoi(cdr.Prev[0]); |
1663 | tmpp[1] = btoi(cdr.Prev[1]); | |
1664 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1665 | cdr.Prev[0]++; |
73b29eeb | 1666 | ReadTrack(tmpp); |
fffad32e | 1667 | |
1668 | if (cdr.Play) { | |
55b8460a | 1669 | if (cdr.freeze_ver < 0x63647202) |
1670 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1671 | ||
fffad32e | 1672 | Find_CurTrack(cdr.SetSectorPlay); |
1673 | if (!Config.Cdda) | |
2e88c317 | 1674 | CDR_play(cdr.SetSectorPlay); |
28eea6ac | 1675 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
c4e62180 | 1676 | CDRPLAYREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1677 | } |
c69642c8 | 1678 | |
1679 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1680 | // old versions did not latch Reg2, have to fixup.. | |
1681 | if (cdr.Reg2 == 0) { | |
1682 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1683 | cdr.Reg2 = 7; | |
1684 | } | |
0f2dee0f | 1685 | // also did not save Attenuator.. |
1686 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1687 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1688 | { | |
1689 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1690 | } | |
c69642c8 | 1691 | } |
42f3c512 | 1692 | } |
1693 | ||
ef79bbde P |
1694 | return 0; |
1695 | } | |
9f8b032d | 1696 | |
28eea6ac | 1697 | void LidInterrupt(void) { |
fffad32e | 1698 | getCdInfo(); |
80f91a20 | 1699 | cdrLidSeekInterrupt(); |
9f8b032d | 1700 | } |