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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); |
fffad32e | 466 | memcpy(cdr.Prev, tmp, 3); |
9f8b032d | 467 | |
fffad32e | 468 | if (CheckSBI(time)) |
3c2583a6 | 469 | return read_ok; |
9f8b032d | 470 | |
fffad32e | 471 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 472 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 473 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 474 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 475 | cdr.subq.Track = subq->TrackNumber; |
476 | cdr.subq.Index = subq->IndexNumber; | |
477 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
478 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 479 | } |
92ca1ba6 | 480 | else { |
73b29eeb | 481 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 482 | tmp[0], tmp[1], tmp[2]); |
483 | } | |
9f8b032d | 484 | } |
fffad32e | 485 | else { |
73b29eeb | 486 | generate_subq(time); |
9f8b032d | 487 | } |
9f8b032d | 488 | |
fffad32e | 489 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
490 | cdr.subq.Track, cdr.subq.Index, | |
491 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
492 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
3c2583a6 | 493 | |
494 | return read_ok; | |
fffad32e | 495 | } |
9f8b032d | 496 | |
7f457614 | 497 | static void cdrPlayInterrupt_Autopause() |
498 | { | |
66425c25 | 499 | u32 abs_lev_max = 0; |
500 | boolean abs_lev_chselect; | |
501 | u32 i; | |
502 | ||
fffad32e | 503 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 504 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 505 | |
506 | // Magic the Gathering | |
507 | // - looping territory cdda | |
508 | ||
509 | // ...? | |
510 | //cdr.ResultReady = 1; | |
511 | //cdr.Stat = DataReady; | |
512 | cdr.Stat = DataEnd; | |
f4a0ef36 | 513 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 514 | |
515 | StopCdda(); | |
05e5c298 | 516 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 517 | } |
d2e271b2 | 518 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 519 | cdr.Result[0] = cdr.StatP; |
520 | cdr.Result[1] = cdr.subq.Track; | |
521 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 522 | |
523 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
524 | ||
525 | /* 8 is a hack. For accuracy, it should be 588. */ | |
526 | for (i = 0; i < 8; i++) | |
527 | { | |
528 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
529 | } | |
530 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
531 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 532 | |
fffad32e | 533 | if (cdr.subq.Absolute[2] & 0x10) { |
534 | cdr.Result[3] = cdr.subq.Relative[0]; | |
535 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
536 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 537 | } |
fffad32e | 538 | else { |
539 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
540 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
541 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
542 | } | |
543 | ||
66425c25 | 544 | cdr.Result[6] = abs_lev_max >> 0; |
545 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 546 | |
547 | // Rayman: Logo freeze (resultready + dataready) | |
548 | cdr.ResultReady = 1; | |
549 | cdr.Stat = DataReady; | |
550 | ||
551 | SetResultSize(8); | |
f4a0ef36 | 552 | setIrq(0x1001); |
7f457614 | 553 | } |
554 | } | |
555 | ||
05e5c298 | 556 | static int cdrSeekTime(unsigned char *target) |
557 | { | |
1290ebe4 | 558 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
559 | int seekTime = abs(diff) * (cdReadTime / 200); | |
05e5c298 | 560 | /* |
561 | * Gameblabla : | |
562 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
563 | * and was unreliable for that game. | |
564 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
565 | * | |
566 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
567 | * Games to test this against if you change that setting : | |
568 | * - Driver (titlescreen music delay and retry mission) | |
569 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
570 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
571 | * | |
572 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
573 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
574 | */ | |
575 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
576 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
577 | return seekTime; | |
578 | } | |
579 | ||
4d384ca8 | 580 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 581 | static void cdrReadInterrupt(void); |
3e629be9 | 582 | static void cdrPrepCdda(s16 *buf, int samples); |
583 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 584 | |
c4e62180 | 585 | void cdrPlayReadInterrupt(void) |
7f457614 | 586 | { |
28eea6ac | 587 | if (cdr.Reading) { |
588 | cdrReadInterrupt(); | |
589 | return; | |
590 | } | |
591 | ||
39df67df | 592 | if (!cdr.Play) return; |
7f457614 | 593 | |
7f457614 | 594 | CDR_LOG( "CDDA - %d:%d:%d\n", |
595 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 596 | |
28eea6ac | 597 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 598 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
599 | StopCdda(); | |
05e5c298 | 600 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 601 | cdr.TrackChanged = TRUE; |
602 | } | |
084b0f31 | 603 | else { |
604 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
605 | } | |
7f457614 | 606 | |
5c96969c | 607 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 608 | cdrPlayInterrupt_Autopause(); |
609 | ||
cdaef86c | 610 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 611 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 612 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 613 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
614 | cdr.FirstSector = 0; | |
66425c25 | 615 | } |
fffad32e | 616 | |
7f457614 | 617 | cdr.SetSectorPlay[2]++; |
618 | if (cdr.SetSectorPlay[2] == 75) { | |
619 | cdr.SetSectorPlay[2] = 0; | |
620 | cdr.SetSectorPlay[1]++; | |
621 | if (cdr.SetSectorPlay[1] == 60) { | |
622 | cdr.SetSectorPlay[1] = 0; | |
623 | cdr.SetSectorPlay[0]++; | |
624 | } | |
625 | } | |
626 | ||
fffad32e | 627 | // update for CdlGetlocP/autopause |
73b29eeb | 628 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 629 | |
c4e62180 | 630 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 631 | } |
632 | ||
f4a0ef36 | 633 | #define CMD_PART2 0x100 |
634 | #define CMD_WHILE_NOT_READY 0x200 | |
635 | ||
28eea6ac | 636 | void cdrInterrupt(void) { |
e4268a49 | 637 | int start_rotating = 0; |
638 | int error = 0; | |
fbf19ce6 | 639 | unsigned int seekTime = 0; |
5c96969c | 640 | u32 second_resp_time = 0; |
3c2583a6 | 641 | const void *buf; |
5c96969c | 642 | u8 ParamC; |
115d0459 | 643 | u8 set_loc[3]; |
3c2583a6 | 644 | int read_ok; |
f4a0ef36 | 645 | u16 not_ready = 0; |
5c96969c | 646 | u16 Cmd; |
115d0459 | 647 | int i; |
ef79bbde P |
648 | |
649 | if (cdr.Stat) { | |
cf55f16a | 650 | CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n", |
651 | psxRegs.cycle, cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
652 | return; |
653 | } | |
4d384ca8 | 654 | if (cdr.Irq1Pending) { |
655 | // hand out the "newest" sector, according to nocash | |
656 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
657 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
658 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
659 | SetResultSize(1); | |
660 | cdr.Result[0] = cdr.Irq1Pending; | |
661 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
662 | cdr.Irq1Pending = 0; | |
f4a0ef36 | 663 | setIrq(0x1003); |
4d384ca8 | 664 | return; |
665 | } | |
ef79bbde | 666 | |
e4268a49 | 667 | // default response |
668 | SetResultSize(1); | |
669 | cdr.Result[0] = cdr.StatP; | |
670 | cdr.Stat = Acknowledge; | |
671 | ||
5c96969c | 672 | Cmd = cdr.CmdInProgress; |
673 | cdr.CmdInProgress = 0; | |
674 | ParamC = cdr.ParamC; | |
e4268a49 | 675 | |
5c96969c | 676 | if (Cmd < 0x100) { |
f4a0ef36 | 677 | cdr.Ctrl &= ~0x80; |
5c96969c | 678 | cdr.ParamC = 0; |
f4a0ef36 | 679 | cdr.Cmd = 0; |
680 | } | |
681 | ||
682 | switch (cdr.DriveState) { | |
b4638ad9 | 683 | case DRIVESTATE_PREPARE_CD: |
684 | if (Cmd > 2) { | |
685 | // Syphon filter 2 expects commands to work shortly after it sees | |
686 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
687 | cdr.DriveState = DRIVESTATE_STANDBY; | |
688 | cdr.StatP &= ~STATUS_SEEK; | |
689 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
690 | break; | |
691 | } | |
692 | // fallthrough | |
f4a0ef36 | 693 | case DRIVESTATE_LID_OPEN: |
694 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 695 | // no disk or busy with the initial scan, allowed cmds are limited |
696 | not_ready = CMD_WHILE_NOT_READY; | |
697 | break; | |
5c96969c | 698 | } |
e4268a49 | 699 | |
f4a0ef36 | 700 | switch (Cmd | not_ready) { |
ef79bbde | 701 | case CdlNop: |
f4a0ef36 | 702 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 703 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
704 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
705 | break; |
706 | ||
707 | case CdlSetloc: | |
f4a0ef36 | 708 | case CdlSetloc + CMD_WHILE_NOT_READY: |
115d0459 | 709 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
710 | ||
711 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
712 | 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)) | |
713 | { | |
ab88c81f | 714 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
115d0459 | 715 | error = ERROR_INVALIDARG; |
716 | goto set_error; | |
717 | } | |
718 | else | |
719 | { | |
720 | for (i = 0; i < 3; i++) | |
115d0459 | 721 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 722 | memcpy(cdr.SetSector, set_loc, 3); |
723 | cdr.SetSector[3] = 0; | |
724 | cdr.SetlocPending = 1; | |
725 | } | |
ef79bbde P |
726 | break; |
727 | ||
55b8460a | 728 | do_CdlPlay: |
ef79bbde | 729 | case CdlPlay: |
030bd76a | 730 | StopCdda(); |
05e5c298 | 731 | StopReading(); |
732 | ||
d2e271b2 | 733 | cdr.FastBackward = 0; |
734 | cdr.FastForward = 0; | |
735 | ||
2d5ca6c0 | 736 | // BIOS CD Player |
737 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
738 | ||
5c96969c | 739 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 740 | int track = btoi( cdr.Param[0] ); |
741 | ||
742 | if (track <= cdr.ResultTN[1]) | |
743 | cdr.CurTrack = track; | |
744 | ||
745 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
746 | ||
747 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 748 | for (i = 0; i < 3; i++) |
749 | set_loc[i] = cdr.ResultTD[2 - i]; | |
750 | seekTime = cdrSeekTime(set_loc); | |
751 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 752 | } |
753 | } | |
05e5c298 | 754 | else if (cdr.SetlocPending) { |
755 | seekTime = cdrSeekTime(cdr.SetSector); | |
756 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
757 | } | |
758 | else { | |
759 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
760 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
761 | } | |
762 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 763 | |
9f8b032d | 764 | /* |
765 | Rayman: detect track changes | |
766 | - fixes logo freeze | |
767 | ||
768 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
769 | - plays tracks without retry play | |
770 | ||
771 | Wild 9: skip PREGAP + starting accurate SubQ | |
772 | - plays tracks without retry play | |
773 | */ | |
fffad32e | 774 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 775 | ReadTrack(cdr.SetSectorPlay); |
3c2583a6 | 776 | cdr.LocL[0] = LOCL_INVALID; |
fffad32e | 777 | cdr.TrackChanged = FALSE; |
cdaef86c | 778 | cdr.FirstSector = 1; |
9f8b032d | 779 | |
2d5ca6c0 | 780 | if (!Config.Cdda) |
2e88c317 | 781 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 782 | |
05e5c298 | 783 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 784 | |
785 | // BIOS player - set flag again | |
786 | cdr.Play = TRUE; | |
787 | ||
c4e62180 | 788 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 789 | start_rotating = 1; |
ef79bbde P |
790 | break; |
791 | ||
9f8b032d | 792 | case CdlForward: |
e4268a49 | 793 | // TODO: error 80 if stopped |
9f8b032d | 794 | cdr.Stat = Complete; |
2e88c317 | 795 | |
9f8b032d | 796 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 797 | cdr.FastForward = 1; |
9f8b032d | 798 | cdr.FastBackward = 0; |
ef79bbde P |
799 | break; |
800 | ||
9f8b032d | 801 | case CdlBackward: |
9f8b032d | 802 | cdr.Stat = Complete; |
803 | ||
9f8b032d | 804 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 805 | cdr.FastBackward = 1; |
9f8b032d | 806 | cdr.FastForward = 0; |
ef79bbde P |
807 | break; |
808 | ||
9f8b032d | 809 | case CdlStandby: |
e4268a49 | 810 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
811 | error = ERROR_INVALIDARG; | |
812 | goto set_error; | |
813 | } | |
5c96969c | 814 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 815 | start_rotating = 1; |
816 | break; | |
817 | ||
f4a0ef36 | 818 | case CdlStandby + CMD_PART2: |
ef79bbde P |
819 | cdr.Stat = Complete; |
820 | break; | |
821 | ||
822 | case CdlStop: | |
030bd76a | 823 | if (cdr.Play) { |
824 | // grab time for current track | |
825 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
826 | ||
827 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
828 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
829 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
830 | } | |
831 | ||
832 | StopCdda(); | |
833 | StopReading(); | |
05e5c298 | 834 | SetPlaySeekRead(cdr.StatP, 0); |
835 | cdr.StatP &= ~STATUS_ROTATING; | |
3c2583a6 | 836 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 837 | |
5c96969c | 838 | second_resp_time = 0x800; |
e4268a49 | 839 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 840 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 841 | |
842 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 843 | break; |
844 | ||
f4a0ef36 | 845 | case CdlStop + CMD_PART2: |
ef79bbde | 846 | cdr.Stat = Complete; |
ef79bbde P |
847 | break; |
848 | ||
849 | case CdlPause: | |
05e5c298 | 850 | StopCdda(); |
851 | StopReading(); | |
12228917 | 852 | /* |
853 | Gundam Battle Assault 2: much slower (*) | |
854 | - Fixes boot, gameplay | |
2e88c317 | 855 | |
12228917 | 856 | Hokuto no Ken 2: slower |
857 | - Fixes intro + subtitles | |
2e88c317 | 858 | |
12228917 | 859 | InuYasha - Feudal Fairy Tale: slower |
860 | - Fixes battles | |
861 | */ | |
62018a94 | 862 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
863 | * The timings from Duckstation are based upon hardware tests. | |
864 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
865 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 866 | * */ |
05e5c298 | 867 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 868 | { |
5c96969c | 869 | second_resp_time = 7000; |
62018a94 | 870 | } |
871 | else | |
872 | { | |
5c96969c | 873 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
62018a94 | 874 | } |
05e5c298 | 875 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
876 | break; |
877 | ||
f4a0ef36 | 878 | case CdlPause + CMD_PART2: |
9f8b032d | 879 | cdr.Stat = Complete; |
ef79bbde P |
880 | break; |
881 | ||
8399ca33 | 882 | case CdlReset: |
f4a0ef36 | 883 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 884 | StopCdda(); |
885 | StopReading(); | |
886 | SetPlaySeekRead(cdr.StatP, 0); | |
3c2583a6 | 887 | cdr.LocL[0] = LOCL_INVALID; |
8399ca33 | 888 | cdr.Muted = FALSE; |
2e88c317 | 889 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 890 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 891 | start_rotating = 1; |
892 | break; | |
893 | ||
f4a0ef36 | 894 | case CdlReset + CMD_PART2: |
895 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 896 | cdr.Stat = Complete; |
ef79bbde P |
897 | break; |
898 | ||
9f8b032d | 899 | case CdlMute: |
030bd76a | 900 | cdr.Muted = TRUE; |
ef79bbde P |
901 | break; |
902 | ||
9f8b032d | 903 | case CdlDemute: |
030bd76a | 904 | cdr.Muted = FALSE; |
ef79bbde P |
905 | break; |
906 | ||
9f8b032d | 907 | case CdlSetfilter: |
030bd76a | 908 | cdr.File = cdr.Param[0]; |
909 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 910 | break; |
ef79bbde P |
911 | |
912 | case CdlSetmode: | |
f4a0ef36 | 913 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 914 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
915 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 916 | break; |
ef79bbde | 917 | |
95465b97 | 918 | case CdlGetparam: |
f4a0ef36 | 919 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 920 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 921 | SetResultSize(5); |
9f8b032d | 922 | cdr.Result[1] = cdr.Mode; |
95465b97 | 923 | cdr.Result[2] = 0; |
924 | cdr.Result[3] = cdr.File; | |
925 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 926 | break; |
ef79bbde | 927 | |
9f8b032d | 928 | case CdlGetlocL: |
3c2583a6 | 929 | if (cdr.LocL[0] == LOCL_INVALID) { |
930 | error = 0x80; | |
931 | goto set_error; | |
932 | } | |
ef79bbde | 933 | SetResultSize(8); |
3c2583a6 | 934 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 935 | break; |
ef79bbde P |
936 | |
937 | case CdlGetlocP: | |
fffad32e | 938 | SetResultSize(8); |
939 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 940 | break; |
892bd7d4 | 941 | |
e4268a49 | 942 | case CdlReadT: // SetSession? |
943 | // really long | |
5c96969c | 944 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 945 | start_rotating = 1; |
946 | break; | |
947 | ||
f4a0ef36 | 948 | case CdlReadT + CMD_PART2: |
e4268a49 | 949 | cdr.Stat = Complete; |
ef79bbde P |
950 | break; |
951 | ||
9f8b032d | 952 | case CdlGetTN: |
ef79bbde | 953 | SetResultSize(3); |
9f8b032d | 954 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 955 | cdr.Stat = DiskError; |
9f8b032d | 956 | cdr.Result[0] |= STATUS_ERROR; |
957 | } else { | |
958 | cdr.Stat = Acknowledge; | |
959 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
960 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
961 | } | |
962 | break; | |
ef79bbde | 963 | |
9f8b032d | 964 | case CdlGetTD: |
ef79bbde P |
965 | cdr.Track = btoi(cdr.Param[0]); |
966 | SetResultSize(4); | |
ef79bbde P |
967 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
968 | cdr.Stat = DiskError; | |
9f8b032d | 969 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
970 | } else { |
971 | cdr.Stat = Acknowledge; | |
972 | cdr.Result[0] = cdr.StatP; | |
973 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
974 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 975 | /* According to Nocash's documentation, the function doesn't care about ff. |
976 | * This can be seen also in Mednafen's implementation. */ | |
977 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
978 | } |
979 | break; | |
980 | ||
9f8b032d | 981 | case CdlSeekL: |
39df67df | 982 | case CdlSeekP: |
030bd76a | 983 | StopCdda(); |
984 | StopReading(); | |
c4e62180 | 985 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 986 | |
05e5c298 | 987 | seekTime = cdrSeekTime(cdr.SetSector); |
988 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 989 | /* |
990 | Crusaders of Might and Magic = 0.5x-4x | |
991 | - fix cutscene speech start | |
992 | ||
993 | Eggs of Steel = 2x-? | |
994 | - fix new game | |
995 | ||
996 | Medievil = ?-4x | |
997 | - fix cutscene speech | |
998 | ||
999 | Rockman X5 = 0.5-4x | |
1000 | - fix capcom logo | |
1001 | */ | |
c4e62180 | 1002 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1003 | start_rotating = 1; |
ef79bbde P |
1004 | break; |
1005 | ||
c4e62180 | 1006 | case CdlSeekL + CMD_PART2: |
1007 | case CdlSeekP + CMD_PART2: | |
1008 | SetPlaySeekRead(cdr.StatP, 0); | |
1009 | cdr.Stat = Complete; | |
1010 | ||
1011 | Find_CurTrack(cdr.SetSectorPlay); | |
3c2583a6 | 1012 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1013 | if (read_ok && (buf = CDR_getBuffer())) | |
1014 | memcpy(cdr.LocL, buf, 8); | |
c4e62180 | 1015 | cdr.TrackChanged = FALSE; |
1016 | break; | |
1017 | ||
ef79bbde | 1018 | case CdlTest: |
f4a0ef36 | 1019 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1020 | switch (cdr.Param[0]) { |
1021 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1022 | SetResultSize(4); |
1023 | memcpy(cdr.Result, Test20, 4); | |
1024 | break; | |
1025 | case 0x22: | |
1026 | SetResultSize(8); | |
1027 | memcpy(cdr.Result, Test22, 4); | |
1028 | break; | |
1029 | case 0x23: case 0x24: | |
1030 | SetResultSize(8); | |
1031 | memcpy(cdr.Result, Test23, 4); | |
1032 | break; | |
9f8b032d | 1033 | } |
ef79bbde P |
1034 | break; |
1035 | ||
9f8b032d | 1036 | case CdlID: |
5c96969c | 1037 | second_resp_time = 20480; |
ef79bbde P |
1038 | break; |
1039 | ||
f4a0ef36 | 1040 | case CdlID + CMD_PART2: |
ef79bbde | 1041 | SetResultSize(8); |
89ec56af | 1042 | cdr.Result[0] = cdr.StatP; |
1043 | cdr.Result[1] = 0; | |
1044 | cdr.Result[2] = 0; | |
1045 | cdr.Result[3] = 0; | |
9f8b032d | 1046 | |
d8432250 | 1047 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1048 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1049 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1050 | } |
1051 | else { | |
89ec56af | 1052 | if (stat.Type == 2) |
1053 | cdr.Result[1] |= 0x10; | |
1054 | if (CdromId[0] == '\0') | |
9f8b032d | 1055 | cdr.Result[1] |= 0x80; |
9f8b032d | 1056 | } |
89ec56af | 1057 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1058 | |
3e42b115 | 1059 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1060 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1061 | cdr.Stat = Complete; |
1062 | break; | |
1063 | ||
8399ca33 | 1064 | case CdlInit: |
f4a0ef36 | 1065 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1066 | StopCdda(); |
1067 | StopReading(); | |
1068 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1069 | // yes, it really sets STATUS_SHELLOPEN |
1070 | cdr.StatP |= STATUS_SHELLOPEN; | |
1071 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1072 | CDRLID_INT(20480); | |
e4268a49 | 1073 | start_rotating = 1; |
9f8b032d | 1074 | break; |
1075 | ||
e4268a49 | 1076 | case CdlGetQ: |
f4a0ef36 | 1077 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1078 | break; |
1079 | ||
1080 | case CdlReadToc: | |
f4a0ef36 | 1081 | case CdlReadToc + CMD_WHILE_NOT_READY: |
3c2583a6 | 1082 | cdr.LocL[0] = LOCL_INVALID; |
5c96969c | 1083 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1084 | start_rotating = 1; |
ef79bbde P |
1085 | break; |
1086 | ||
f4a0ef36 | 1087 | case CdlReadToc + CMD_PART2: |
1088 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1089 | cdr.Stat = Complete; |
ef79bbde P |
1090 | break; |
1091 | ||
94c118c3 | 1092 | case CdlReadN: |
1093 | case CdlReadS: | |
ab88c81f | 1094 | if (cdr.Reading && !cdr.SetlocPending) |
1095 | break; | |
1096 | ||
05e5c298 | 1097 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1098 | |
1099 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1100 | // Read* acts as play for cdda tracks in cdda mode | |
1101 | goto do_CdlPlay; | |
1102 | ||
05e5c298 | 1103 | StopCdda(); |
1104 | if (cdr.SetlocPending) { | |
1105 | seekTime = cdrSeekTime(cdr.SetSector); | |
1106 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1107 | cdr.SetlocPending = 0; | |
1108 | } | |
030bd76a | 1109 | cdr.Reading = 1; |
1110 | cdr.FirstSector = 1; | |
ef79bbde | 1111 | |
9f8b032d | 1112 | // Fighting Force 2 - update subq time immediately |
1113 | // - fixes new game | |
55b8460a | 1114 | ReadTrack(cdr.SetSectorPlay); |
3c2583a6 | 1115 | cdr.LocL[0] = LOCL_INVALID; |
9f8b032d | 1116 | |
c4e62180 | 1117 | CDRPLAYREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime, 1); |
ef79bbde | 1118 | |
05e5c298 | 1119 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1120 | start_rotating = 1; |
ef79bbde | 1121 | break; |
3c2583a6 | 1122 | |
f96ca921 | 1123 | case CdlSync: |
ef79bbde | 1124 | default: |
e4268a49 | 1125 | error = ERROR_INVALIDCMD; |
1126 | // FALLTHROUGH | |
1127 | ||
1128 | set_error: | |
3c2583a6 | 1129 | CDR_LOG_I("cdrom: cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1130 | SetResultSize(2); |
1131 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
f4a0ef36 | 1132 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1133 | cdr.Stat = DiskError; |
ef79bbde P |
1134 | break; |
1135 | } | |
1136 | ||
e4268a49 | 1137 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1138 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1139 | cdr.StatP |= STATUS_ROTATING; | |
1140 | } | |
1141 | ||
5c96969c | 1142 | if (second_resp_time) { |
1143 | cdr.CmdInProgress = Cmd | 0x100; | |
1144 | CDR_INT(second_resp_time); | |
1145 | } | |
1146 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1147 | cdr.CmdInProgress = cdr.Cmd; | |
cf55f16a | 1148 | CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n", |
1149 | psxRegs.cycle, cdr.Cmd, Cmd); | |
5c96969c | 1150 | } |
1151 | ||
1152 | setIrq(Cmd); | |
ef79bbde P |
1153 | } |
1154 | ||
8f2bb0cb | 1155 | #ifdef HAVE_ARMV7 |
53598a71 | 1156 | #define ssat32_to_16(v) \ |
1157 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1158 | #else | |
1159 | #define ssat32_to_16(v) do { \ | |
1160 | if (v < -32768) v = -32768; \ | |
1161 | else if (v > 32767) v = 32767; \ | |
1162 | } while (0) | |
1163 | #endif | |
1164 | ||
3e629be9 | 1165 | static void cdrPrepCdda(s16 *buf, int samples) |
1166 | { | |
1167 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1168 | int i; | |
1169 | for (i = 0; i < samples; i++) { | |
1170 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1171 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1172 | } | |
1173 | #endif | |
1174 | } | |
1175 | ||
1176 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1177 | { |
1178 | int i, l, r; | |
1179 | int ll = cdr.AttenuatorLeftToLeft; | |
1180 | int lr = cdr.AttenuatorLeftToRight; | |
1181 | int rl = cdr.AttenuatorRightToLeft; | |
1182 | int rr = cdr.AttenuatorRightToRight; | |
1183 | ||
1184 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1185 | return; | |
1186 | ||
1187 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1188 | return; | |
1189 | ||
1190 | if (stereo) { | |
1191 | for (i = 0; i < samples; i++) { | |
1192 | l = buf[i * 2]; | |
1193 | r = buf[i * 2 + 1]; | |
1194 | l = (l * ll + r * rl) >> 7; | |
1195 | r = (r * rr + l * lr) >> 7; | |
1196 | ssat32_to_16(l); | |
1197 | ssat32_to_16(r); | |
1198 | buf[i * 2] = l; | |
1199 | buf[i * 2 + 1] = r; | |
1200 | } | |
1201 | } | |
1202 | else { | |
1203 | for (i = 0; i < samples; i++) { | |
1204 | l = buf[i]; | |
1205 | l = l * (ll + rl) >> 7; | |
1206 | //r = r * (rr + lr) >> 7; | |
1207 | ssat32_to_16(l); | |
1208 | //ssat32_to_16(r); | |
1209 | buf[i] = l; | |
1210 | } | |
1211 | } | |
1212 | } | |
1213 | ||
f55c59b7 | 1214 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1215 | { |
5c96969c | 1216 | if (cdr.Stat) { |
f55c59b7 | 1217 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1218 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1219 | cdr.CmdInProgress, cdr.Stat); | |
1220 | cdr.Irq1Pending = result; | |
ef79bbde P |
1221 | return; |
1222 | } | |
ef79bbde | 1223 | SetResultSize(1); |
f55c59b7 | 1224 | cdr.Result[0] = result; |
1225 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
f4a0ef36 | 1226 | setIrq(0x1004); |
f55c59b7 | 1227 | } |
1228 | ||
1229 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1230 | { | |
1231 | if (!buf) | |
1232 | return; | |
1233 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1234 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1235 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1236 | if (cdr.FifoOffset < 2048 + 12) |
1237 | CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
f55c59b7 | 1238 | } |
1239 | ||
1240 | static void cdrReadInterrupt(void) | |
1241 | { | |
1242 | u8 *buf = NULL, *hdr; | |
3c2583a6 | 1243 | int read_ok; |
f55c59b7 | 1244 | |
05e5c298 | 1245 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
ef79bbde | 1246 | |
3c2583a6 | 1247 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1248 | if (read_ok) | |
f55c59b7 | 1249 | buf = CDR_getBuffer(); |
ef79bbde | 1250 | if (buf == NULL) |
3c2583a6 | 1251 | read_ok = 0; |
ef79bbde | 1252 | |
3c2583a6 | 1253 | if (!read_ok) { |
8b380e97 | 1254 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde | 1255 | memset(cdr.Transfer, 0, DATA_SIZE); |
f55c59b7 | 1256 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1257 | return; |
1258 | } | |
3c2583a6 | 1259 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1260 | |
f55c59b7 | 1261 | if (!cdr.Irq1Pending) |
1262 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1263 | |
9f8b032d | 1264 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1265 | hdr = buf + 4; |
9f8b032d | 1266 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1267 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1268 | cdr.File = hdr[0]; |
1269 | cdr.Channel = hdr[1]; | |
9f8b032d | 1270 | } |
1271 | ||
0e0ad585 | 1272 | /* Gameblabla |
1273 | * Skips playing on channel 255. | |
1274 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1275 | * TODO : Check if this is the proper behaviour. | |
1276 | * */ | |
f55c59b7 | 1277 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1278 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1279 | if (!ret) { |
53598a71 | 1280 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1281 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1282 | cdr.FirstSector = 0; |
1283 | } | |
1284 | else cdr.FirstSector = -1; | |
1285 | } | |
1286 | } | |
1287 | ||
f55c59b7 | 1288 | /* |
1289 | Croc 2: $40 - only FORM1 (*) | |
1290 | Judge Dredd: $C8 - only FORM1 (*) | |
1291 | Sim Theme Park - no adpcm at all (zero) | |
1292 | */ | |
1293 | ||
1294 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1295 | cdrReadInterruptSetResult(cdr.StatP); | |
1296 | ||
55b8460a | 1297 | cdr.SetSectorPlay[2]++; |
1298 | if (cdr.SetSectorPlay[2] == 75) { | |
1299 | cdr.SetSectorPlay[2] = 0; | |
1300 | cdr.SetSectorPlay[1]++; | |
1301 | if (cdr.SetSectorPlay[1] == 60) { | |
1302 | cdr.SetSectorPlay[1] = 0; | |
1303 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1304 | } |
1305 | } | |
1306 | ||
f55c59b7 | 1307 | if (!cdr.Irq1Pending) { |
1308 | // update for CdlGetlocP | |
1309 | ReadTrack(cdr.SetSectorPlay); | |
1310 | } | |
9f8b032d | 1311 | |
c4e62180 | 1312 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1313 | } |
9f8b032d | 1314 | |
ef79bbde P |
1315 | /* |
1316 | cdrRead0: | |
94c118c3 | 1317 | bit 0,1 - mode |
ef79bbde P |
1318 | bit 2 - unknown |
1319 | bit 3 - unknown | |
1320 | bit 4 - unknown | |
1321 | bit 5 - 1 result ready | |
1322 | bit 6 - 1 dma ready | |
1323 | bit 7 - 1 command being processed | |
1324 | */ | |
1325 | ||
1326 | unsigned char cdrRead0(void) { | |
1327 | if (cdr.ResultReady) | |
1328 | cdr.Ctrl |= 0x20; | |
1329 | else | |
1330 | cdr.Ctrl &= ~0x20; | |
1331 | ||
5c96969c | 1332 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1333 | |
1334 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1335 | cdr.Ctrl |= 0x18; | |
1336 | ||
e7acd858 | 1337 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1338 | |
1339 | return psxHu8(0x1800) = cdr.Ctrl; | |
1340 | } | |
1341 | ||
ef79bbde | 1342 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1343 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1344 | |
50b13be9 | 1345 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1346 | } |
1347 | ||
1348 | unsigned char cdrRead1(void) { | |
94c118c3 | 1349 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1350 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1351 | else |
ef79bbde | 1352 | psxHu8(0x1801) = 0; |
94c118c3 | 1353 | cdr.ResultP++; |
1354 | if (cdr.ResultP == cdr.ResultC) | |
1355 | cdr.ResultReady = 0; | |
1356 | ||
e7acd858 | 1357 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1358 | |
ef79bbde P |
1359 | return psxHu8(0x1801); |
1360 | } | |
1361 | ||
1362 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1363 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1364 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1365 | |
94c118c3 | 1366 | switch (cdr.Ctrl & 3) { |
1367 | case 0: | |
1368 | break; | |
1369 | case 3: | |
53598a71 | 1370 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1371 | return; |
1372 | default: | |
1373 | return; | |
9f8b032d | 1374 | } |
1375 | ||
8b380e97 | 1376 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1377 | SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]); |
ef79bbde | 1378 | if (cdr.ParamC) { |
e7acd858 | 1379 | int i; |
ef79bbde P |
1380 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1381 | for (i = 0; i < cdr.ParamC; i++) | |
1382 | SysPrintf(" %x,", cdr.Param[i]); | |
1383 | SysPrintf("}\n"); | |
1384 | } else { | |
1385 | SysPrintf("\n"); | |
1386 | } | |
1387 | #endif | |
1388 | ||
2daaaae3 | 1389 | cdr.ResultReady = 0; |
94c118c3 | 1390 | cdr.Ctrl |= 0x80; |
8b380e97 | 1391 | |
5c96969c | 1392 | if (!cdr.CmdInProgress) { |
1393 | cdr.CmdInProgress = rt; | |
1394 | // should be something like 12k + controller delays | |
1395 | CDR_INT(5000); | |
9f8b032d | 1396 | } |
5c96969c | 1397 | else { |
cf55f16a | 1398 | CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n", |
1399 | psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1400 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1401 | cdr.CmdInProgress = rt; | |
1402 | } | |
1403 | ||
1404 | cdr.Cmd = rt; | |
ef79bbde P |
1405 | } |
1406 | ||
1407 | unsigned char cdrRead2(void) { | |
6cbdadb3 | 1408 | unsigned char ret = 0; |
ef79bbde | 1409 | |
e411faef | 1410 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1411 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1412 | else | |
e411faef | 1413 | CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1414 | |
e7acd858 | 1415 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1416 | return ret; |
1417 | } | |
1418 | ||
1419 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1420 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1421 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1422 | |
94c118c3 | 1423 | switch (cdr.Ctrl & 3) { |
1424 | case 0: | |
1425 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1426 | cdr.Param[cdr.ParamC++] = rt; | |
1427 | return; | |
1428 | case 1: | |
1429 | cdr.Reg2 = rt; | |
f4a0ef36 | 1430 | setIrq(0x1005); |
94c118c3 | 1431 | return; |
1432 | case 2: | |
53598a71 | 1433 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1434 | return; |
1435 | case 3: | |
53598a71 | 1436 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1437 | return; |
ef79bbde P |
1438 | } |
1439 | } | |
1440 | ||
1441 | unsigned char cdrRead3(void) { | |
94c118c3 | 1442 | if (cdr.Ctrl & 0x1) |
1443 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1444 | else | |
1445 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1446 | |
e7acd858 | 1447 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1448 | return psxHu8(0x1803); |
1449 | } | |
1450 | ||
1451 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1452 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1453 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1454 | |
94c118c3 | 1455 | switch (cdr.Ctrl & 3) { |
1456 | case 0: | |
a34a2445 | 1457 | break; // transfer |
94c118c3 | 1458 | case 1: |
4d384ca8 | 1459 | if (cdr.Stat & rt) { |
5c96969c | 1460 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1461 | SysPrintf("%u cdrom: ack %02x (w %02x)\n", |
1462 | psxRegs.cycle, cdr.Stat & rt, rt); | |
5c96969c | 1463 | #endif |
cf55f16a | 1464 | // note: Croc vs Discworld Noir |
4d384ca8 | 1465 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && |
1466 | (cdr.CmdInProgress || cdr.Irq1Pending)) | |
cf55f16a | 1467 | CDR_INT(850); // 711-993 |
4d384ca8 | 1468 | } |
a34a2445 | 1469 | cdr.Stat &= ~rt; |
1470 | ||
1471 | if (rt & 0x40) | |
1472 | cdr.ParamC = 0; | |
1473 | return; | |
94c118c3 | 1474 | case 2: |
53598a71 | 1475 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1476 | return; |
1477 | case 3: | |
53598a71 | 1478 | if (rt & 0x20) { |
1479 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1480 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1481 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1482 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1483 | } | |
94c118c3 | 1484 | return; |
9f8b032d | 1485 | } |
056d6759 | 1486 | |
e411faef | 1487 | // test: Viewpoint |
1488 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1489 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1490 | } | |
1491 | else if (rt & 0x80) { | |
ef79bbde | 1492 | switch (cdr.Mode & 0x30) { |
9f8b032d | 1493 | case MODE_SIZE_2328: |
ef79bbde | 1494 | case 0x00: |
6cbdadb3 | 1495 | cdr.FifoOffset = 12; |
e411faef | 1496 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1497 | break; |
9f8b032d | 1498 | |
1499 | case MODE_SIZE_2340: | |
ef79bbde | 1500 | default: |
6cbdadb3 | 1501 | cdr.FifoOffset = 0; |
e411faef | 1502 | cdr.FifoSize = 2340; |
ef79bbde P |
1503 | break; |
1504 | } | |
1505 | } | |
e411faef | 1506 | else if (!(rt & 0xc0)) |
1507 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1508 | } |
1509 | ||
1510 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1511 | u32 cdsize; | |
c7071c43 | 1512 | int size; |
ef79bbde P |
1513 | u8 *ptr; |
1514 | ||
ef79bbde | 1515 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde | 1516 | |
7b68d92c | 1517 | switch (chcr & 0x71000000) { |
ef79bbde | 1518 | case 0x11000000: |
ef79bbde | 1519 | ptr = (u8 *)PSXM(madr); |
b012a437 | 1520 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1521 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1522 | break; |
1523 | } | |
9f8b032d | 1524 | |
6cbdadb3 | 1525 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1526 | ||
9f8b032d | 1527 | /* |
1528 | GS CDX: Enhancement CD crash | |
1529 | - Setloc 0:0:0 | |
1530 | - CdlPlay | |
1531 | - Spams DMA3 and gets buffer overrun | |
1532 | */ | |
6cbdadb3 | 1533 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1534 | if (size > cdsize) |
1535 | size = cdsize; | |
1536 | if (size > 0) | |
9f8b032d | 1537 | { |
6cbdadb3 | 1538 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1539 | cdr.FifoOffset += size; | |
1540 | psxCpu->Clear(madr, size / 4); | |
9f8b032d | 1541 | } |
7df2c03c | 1542 | if (size < cdsize) |
1543 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); | |
9f8b032d | 1544 | |
7b68d92c | 1545 | CDRDMA_INT((cdsize/4) * 24); |
1546 | ||
1547 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1548 | if (chcr & 0x100) { | |
58ebb94c | 1549 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1550 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1551 | } |
7b68d92c | 1552 | else { |
fc4803bd | 1553 | // halted |
7b68d92c | 1554 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1555 | } |
1556 | return; | |
1557 | ||
ef79bbde | 1558 | default: |
7df2c03c | 1559 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1560 | break; |
1561 | } | |
1562 | ||
1563 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1564 | DMA_INTERRUPT(3); | |
1565 | } | |
1566 | ||
28eea6ac | 1567 | void cdrDmaInterrupt(void) |
9f8b032d | 1568 | { |
ad418c19 | 1569 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1570 | { | |
1571 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1572 | DMA_INTERRUPT(3); | |
1573 | } | |
9f8b032d | 1574 | } |
1575 | ||
fffad32e | 1576 | static void getCdInfo(void) |
1577 | { | |
1578 | u8 tmp; | |
1579 | ||
1580 | CDR_getTN(cdr.ResultTN); | |
1581 | CDR_getTD(0, cdr.SetSectorEnd); | |
1582 | tmp = cdr.SetSectorEnd[0]; | |
1583 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1584 | cdr.SetSectorEnd[2] = tmp; | |
1585 | } | |
1586 | ||
ef79bbde P |
1587 | void cdrReset() { |
1588 | memset(&cdr, 0, sizeof(cdr)); | |
1589 | cdr.CurTrack = 1; | |
1590 | cdr.File = 1; | |
1591 | cdr.Channel = 1; | |
a2d3ccb8 | 1592 | cdr.Reg2 = 0x1f; |
1593 | cdr.Stat = NoIntr; | |
6cbdadb3 | 1594 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b4638ad9 | 1595 | if (CdromId[0] == '\0') { |
1596 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1597 | cdr.StatP = 0; | |
1598 | } | |
1599 | else { | |
1600 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1601 | cdr.StatP = STATUS_ROTATING; | |
1602 | } | |
2e88c317 | 1603 | |
056d6759 | 1604 | // BIOS player - default values |
53598a71 | 1605 | cdr.AttenuatorLeftToLeft = 0x80; |
1606 | cdr.AttenuatorLeftToRight = 0x00; | |
1607 | cdr.AttenuatorRightToLeft = 0x00; | |
1608 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1609 | |
1610 | getCdInfo(); | |
ef79bbde P |
1611 | } |
1612 | ||
496d88d4 | 1613 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1614 | u32 tmp; |
fffad32e | 1615 | u8 tmpp[3]; |
ef79bbde | 1616 | |
fffad32e | 1617 | if (Mode == 0 && !Config.Cdda) |
1618 | CDR_stop(); | |
9f8b032d | 1619 | |
55b8460a | 1620 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1621 | gzfreeze(&cdr, sizeof(cdr)); |
1622 | ||
94c118c3 | 1623 | if (Mode == 1) { |
1624 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1625 | tmp = cdr.FifoOffset; |
94c118c3 | 1626 | } |
ef79bbde P |
1627 | |
1628 | gzfreeze(&tmp, sizeof(tmp)); | |
1629 | ||
42f3c512 | 1630 | if (Mode == 0) { |
fffad32e | 1631 | getCdInfo(); |
1632 | ||
6cbdadb3 | 1633 | cdr.FifoOffset = tmp; |
e411faef | 1634 | cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12; |
ef79bbde | 1635 | |
fffad32e | 1636 | // read right sub data |
0204c39a DS |
1637 | tmpp[0] = btoi(cdr.Prev[0]); |
1638 | tmpp[1] = btoi(cdr.Prev[1]); | |
1639 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1640 | cdr.Prev[0]++; |
73b29eeb | 1641 | ReadTrack(tmpp); |
fffad32e | 1642 | |
1643 | if (cdr.Play) { | |
55b8460a | 1644 | if (cdr.freeze_ver < 0x63647202) |
1645 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1646 | ||
fffad32e | 1647 | Find_CurTrack(cdr.SetSectorPlay); |
1648 | if (!Config.Cdda) | |
2e88c317 | 1649 | CDR_play(cdr.SetSectorPlay); |
28eea6ac | 1650 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
c4e62180 | 1651 | CDRPLAYREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1652 | } |
c69642c8 | 1653 | |
1654 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1655 | // old versions did not latch Reg2, have to fixup.. | |
1656 | if (cdr.Reg2 == 0) { | |
1657 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1658 | cdr.Reg2 = 7; | |
1659 | } | |
0f2dee0f | 1660 | // also did not save Attenuator.. |
1661 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1662 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1663 | { | |
1664 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1665 | } | |
c69642c8 | 1666 | } |
42f3c512 | 1667 | } |
1668 | ||
ef79bbde P |
1669 | return 0; |
1670 | } | |
9f8b032d | 1671 | |
28eea6ac | 1672 | void LidInterrupt(void) { |
fffad32e | 1673 | getCdInfo(); |
80f91a20 | 1674 | cdrLidSeekInterrupt(); |
9f8b032d | 1675 | } |