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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; | |
92 | int Reset; | |
93 | int NoErr; | |
94 | int FirstSector; | |
95 | ||
96 | xa_decode_t Xa; | |
97 | ||
e411faef | 98 | u16 FifoOffset; |
99 | u16 FifoSize; | |
e7acd858 | 100 | |
5c96969c | 101 | u16 CmdInProgress; |
f55c59b7 | 102 | u8 Irq1Pending; |
103 | u8 unused5; | |
5c96969c | 104 | u32 unused6; |
e7acd858 | 105 | |
5c96969c | 106 | u8 unused7; |
e7acd858 | 107 | |
108 | u8 DriveState; | |
109 | u8 FastForward; | |
110 | u8 FastBackward; | |
5c96969c | 111 | u8 unused8; |
e7acd858 | 112 | |
113 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
114 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
115 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
116 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
117 | } cdr; | |
66425c25 | 118 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
119 | |
120 | /* CD-ROM magic numbers */ | |
2e88c317 | 121 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
122 | #define CdlNop 1 |
123 | #define CdlSetloc 2 | |
124 | #define CdlPlay 3 | |
125 | #define CdlForward 4 | |
126 | #define CdlBackward 5 | |
127 | #define CdlReadN 6 | |
128 | #define CdlStandby 7 | |
129 | #define CdlStop 8 | |
130 | #define CdlPause 9 | |
8399ca33 | 131 | #define CdlReset 10 |
ef79bbde P |
132 | #define CdlMute 11 |
133 | #define CdlDemute 12 | |
134 | #define CdlSetfilter 13 | |
135 | #define CdlSetmode 14 | |
95465b97 | 136 | #define CdlGetparam 15 |
ef79bbde P |
137 | #define CdlGetlocL 16 |
138 | #define CdlGetlocP 17 | |
139 | #define CdlReadT 18 | |
140 | #define CdlGetTN 19 | |
141 | #define CdlGetTD 20 | |
142 | #define CdlSeekL 21 | |
143 | #define CdlSeekP 22 | |
144 | #define CdlSetclock 23 | |
145 | #define CdlGetclock 24 | |
146 | #define CdlTest 25 | |
147 | #define CdlID 26 | |
148 | #define CdlReadS 27 | |
8399ca33 | 149 | #define CdlInit 28 |
e4268a49 | 150 | #define CdlGetQ 29 |
ef79bbde P |
151 | #define CdlReadToc 30 |
152 | ||
e7acd858 | 153 | #ifdef CDR_LOG_CMD_IRQ |
154 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
155 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
156 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 157 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 158 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
159 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
160 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
161 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 162 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 163 | }; |
e7acd858 | 164 | #endif |
ef79bbde P |
165 | |
166 | unsigned char Test04[] = { 0 }; | |
167 | unsigned char Test05[] = { 0 }; | |
168 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
169 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
170 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
171 | ||
9f8b032d | 172 | // cdr.Stat: |
173 | #define NoIntr 0 | |
174 | #define DataReady 1 | |
175 | #define Complete 2 | |
176 | #define Acknowledge 3 | |
177 | #define DataEnd 4 | |
178 | #define DiskError 5 | |
179 | ||
180 | /* Modes flags */ | |
181 | #define MODE_SPEED (1<<7) // 0x80 | |
182 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
183 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
184 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 185 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 186 | #define MODE_SF (1<<3) // 0x08 channel on/off |
187 | #define MODE_REPORT (1<<2) // 0x04 | |
188 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
189 | #define MODE_CDDA (1<<0) // 0x01 | |
190 | ||
191 | /* Status flags */ | |
192 | #define STATUS_PLAY (1<<7) // 0x80 | |
193 | #define STATUS_SEEK (1<<6) // 0x40 | |
194 | #define STATUS_READ (1<<5) // 0x20 | |
195 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
196 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
197 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
198 | #define STATUS_ROTATING (1<<1) // 0x02 | |
199 | #define STATUS_ERROR (1<<0) // 0x01 | |
200 | ||
e4268a49 | 201 | /* Errors */ |
003cfc63 | 202 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 203 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
204 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 205 | |
ef79bbde P |
206 | // 1x = 75 sectors per second |
207 | // PSXCLK = 1 sec in the ps | |
208 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
209 | #define cdReadTime (PSXCLK / 75) | |
210 | ||
80f91a20 | 211 | enum drive_state { |
05e5c298 | 212 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 213 | DRIVESTATE_LID_OPEN, |
214 | DRIVESTATE_RESCAN_CD, | |
215 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 216 | DRIVESTATE_STOPPED, |
80f91a20 | 217 | }; |
218 | ||
ef79bbde | 219 | static struct CdrStat stat; |
ef79bbde | 220 | |
fffad32e | 221 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 222 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
223 | } | |
224 | ||
fffad32e | 225 | // for that weird psemu API.. |
226 | static unsigned int fsm2sec(const u8 *msf) { | |
227 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
228 | } | |
229 | ||
305c8c93 | 230 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 231 | msf[0] = s / 75 / 60; |
232 | s = s - msf[0] * 75 * 60; | |
233 | msf[1] = s / 75; | |
234 | s = s - msf[1] * 75; | |
235 | msf[2] = s; | |
236 | } | |
237 | ||
39df67df | 238 | // cdrInterrupt |
ef79bbde | 239 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 240 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
241 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
242 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
243 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 244 | } |
ef79bbde | 245 | |
c4e62180 | 246 | // cdrPlayReadInterrupt |
247 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
9a1338bc | 248 | u32 e_ = eCycle; \ |
d28b54b1 | 249 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 250 | if (isFirst) \ |
251 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
252 | else \ | |
253 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
254 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
255 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 256 | } |
ef79bbde | 257 | |
39df67df | 258 | // cdrLidSeekInterrupt |
9f8b032d | 259 | #define CDRLID_INT(eCycle) { \ |
260 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
261 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
262 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
263 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
264 | } | |
265 | ||
ef79bbde | 266 | #define StopReading() { \ |
05e5c298 | 267 | cdr.Reading = 0; \ |
268 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
269 | } |
270 | ||
271 | #define StopCdda() { \ | |
05e5c298 | 272 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
273 | cdr.Play = FALSE; \ | |
274 | cdr.FastForward = 0; \ | |
275 | cdr.FastBackward = 0; \ | |
276 | } | |
277 | ||
278 | #define SetPlaySeekRead(x, f) { \ | |
279 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
280 | x |= f; \ | |
ef79bbde P |
281 | } |
282 | ||
283 | #define SetResultSize(size) { \ | |
94c118c3 | 284 | cdr.ResultP = 0; \ |
ef79bbde P |
285 | cdr.ResultC = size; \ |
286 | cdr.ResultReady = 1; \ | |
287 | } | |
288 | ||
e7acd858 | 289 | static void setIrq(int log_cmd) |
94c118c3 | 290 | { |
291 | if (cdr.Stat & cdr.Reg2) | |
292 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 293 | |
294 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 295 | if (cdr.Stat) |
e7acd858 | 296 | { |
297 | int i; | |
cf55f16a | 298 | SysPrintf("%u cdrom: CDR IRQ=%d cmd %02x stat %02x: ", |
299 | psxRegs.cycle, !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
e7acd858 | 300 | for (i = 0; i < cdr.ResultC; i++) |
301 | SysPrintf("%02x ", cdr.Result[i]); | |
302 | SysPrintf("\n"); | |
303 | } | |
304 | #endif | |
94c118c3 | 305 | } |
9f8b032d | 306 | |
80f91a20 | 307 | // timing used in this function was taken from tests on real hardware |
308 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 309 | void cdrLidSeekInterrupt(void) |
9f8b032d | 310 | { |
b4638ad9 | 311 | CDR_LOG_I("%u %s cdr.DriveState=%d\n", psxRegs.cycle, __func__, cdr.DriveState); |
312 | ||
80f91a20 | 313 | switch (cdr.DriveState) { |
314 | default: | |
315 | case DRIVESTATE_STANDBY: | |
05e5c298 | 316 | StopCdda(); |
317 | StopReading(); | |
318 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 319 | |
80f91a20 | 320 | if (CDR_getStatus(&stat) == -1) |
321 | return; | |
9f8b032d | 322 | |
80f91a20 | 323 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 324 | { |
80f91a20 | 325 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
326 | CDRLID_INT(0x800); | |
327 | } | |
328 | break; | |
9f8b032d | 329 | |
80f91a20 | 330 | case DRIVESTATE_LID_OPEN: |
331 | if (CDR_getStatus(&stat) == -1) | |
332 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 333 | |
80f91a20 | 334 | // 02, 12, 10 |
335 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 336 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 337 | |
80f91a20 | 338 | // could generate error irq here, but real hardware |
339 | // only sometimes does that | |
340 | // (not done when lots of commands are sent?) | |
9f8b032d | 341 | |
80f91a20 | 342 | CDRLID_INT(cdReadTime * 30); |
343 | break; | |
9f8b032d | 344 | } |
80f91a20 | 345 | else if (cdr.StatP & STATUS_ROTATING) { |
346 | cdr.StatP &= ~STATUS_ROTATING; | |
347 | } | |
348 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
349 | // closed now | |
350 | CheckCdrom(); | |
9f8b032d | 351 | |
80f91a20 | 352 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
353 | // and is only cleared by CdlNop | |
9f8b032d | 354 | |
80f91a20 | 355 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
356 | CDRLID_INT(cdReadTime * 105); | |
357 | break; | |
358 | } | |
9f8b032d | 359 | |
80f91a20 | 360 | // recheck for close |
361 | CDRLID_INT(cdReadTime * 3); | |
362 | break; | |
9f8b032d | 363 | |
80f91a20 | 364 | case DRIVESTATE_RESCAN_CD: |
365 | cdr.StatP |= STATUS_ROTATING; | |
366 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 367 | |
80f91a20 | 368 | // this is very long on real hardware, over 6 seconds |
369 | // make it a bit faster here... | |
370 | CDRLID_INT(cdReadTime * 150); | |
371 | break; | |
9f8b032d | 372 | |
80f91a20 | 373 | case DRIVESTATE_PREPARE_CD: |
b4638ad9 | 374 | if (cdr.StatP & STATUS_SEEK) { |
375 | SetPlaySeekRead(cdr.StatP, 0); | |
376 | cdr.DriveState = DRIVESTATE_STANDBY; | |
377 | } | |
378 | else { | |
379 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
380 | CDRLID_INT(cdReadTime * 26); | |
381 | } | |
80f91a20 | 382 | break; |
9f8b032d | 383 | } |
384 | } | |
385 | ||
fffad32e | 386 | static void Find_CurTrack(const u8 *time) |
387 | { | |
388 | int current, sect; | |
9f8b032d | 389 | |
fffad32e | 390 | current = msf2sec(time); |
9f8b032d | 391 | |
fffad32e | 392 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
393 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
394 | sect = fsm2sec(cdr.ResultTD); | |
395 | if (sect - current >= 150) | |
9f8b032d | 396 | break; |
9f8b032d | 397 | } |
398 | } | |
399 | ||
73b29eeb | 400 | static void generate_subq(const u8 *time) |
401 | { | |
402 | unsigned char start[3], next[3]; | |
403 | unsigned int this_s, start_s, next_s, pregap; | |
404 | int relative_s; | |
405 | ||
406 | CDR_getTD(cdr.CurTrack, start); | |
407 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
408 | pregap = 150; | |
409 | CDR_getTD(cdr.CurTrack + 1, next); | |
410 | } | |
411 | else { | |
412 | // last track - cd size | |
413 | pregap = 0; | |
414 | next[0] = cdr.SetSectorEnd[2]; | |
415 | next[1] = cdr.SetSectorEnd[1]; | |
416 | next[2] = cdr.SetSectorEnd[0]; | |
417 | } | |
418 | ||
419 | this_s = msf2sec(time); | |
420 | start_s = fsm2sec(start); | |
421 | next_s = fsm2sec(next); | |
422 | ||
423 | cdr.TrackChanged = FALSE; | |
424 | ||
425 | if (next_s - this_s < pregap) { | |
426 | cdr.TrackChanged = TRUE; | |
427 | cdr.CurTrack++; | |
428 | start_s = next_s; | |
429 | } | |
430 | ||
431 | cdr.subq.Index = 1; | |
432 | ||
433 | relative_s = this_s - start_s; | |
434 | if (relative_s < 0) { | |
435 | cdr.subq.Index = 0; | |
436 | relative_s = -relative_s; | |
437 | } | |
438 | sec2msf(relative_s, cdr.subq.Relative); | |
439 | ||
440 | cdr.subq.Track = itob(cdr.CurTrack); | |
441 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
442 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
443 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
444 | cdr.subq.Absolute[0] = itob(time[0]); | |
445 | cdr.subq.Absolute[1] = itob(time[1]); | |
446 | cdr.subq.Absolute[2] = itob(time[2]); | |
447 | } | |
448 | ||
449 | static void ReadTrack(const u8 *time) { | |
fffad32e | 450 | unsigned char tmp[3]; |
451 | struct SubQ *subq; | |
452 | u16 crc; | |
ef79bbde | 453 | |
fffad32e | 454 | tmp[0] = itob(time[0]); |
455 | tmp[1] = itob(time[1]); | |
456 | tmp[2] = itob(time[2]); | |
ef79bbde | 457 | |
fffad32e | 458 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
459 | return; | |
39df67df | 460 | |
fffad32e | 461 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 462 | |
6087d7e7 | 463 | cdr.NoErr = CDR_readTrack(tmp); |
fffad32e | 464 | memcpy(cdr.Prev, tmp, 3); |
9f8b032d | 465 | |
fffad32e | 466 | if (CheckSBI(time)) |
467 | return; | |
9f8b032d | 468 | |
fffad32e | 469 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 470 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 471 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 472 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 473 | cdr.subq.Track = subq->TrackNumber; |
474 | cdr.subq.Index = subq->IndexNumber; | |
475 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
476 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 477 | } |
92ca1ba6 | 478 | else { |
73b29eeb | 479 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 480 | tmp[0], tmp[1], tmp[2]); |
481 | } | |
9f8b032d | 482 | } |
fffad32e | 483 | else { |
73b29eeb | 484 | generate_subq(time); |
9f8b032d | 485 | } |
9f8b032d | 486 | |
fffad32e | 487 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
488 | cdr.subq.Track, cdr.subq.Index, | |
489 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
490 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
491 | } | |
9f8b032d | 492 | |
7f457614 | 493 | static void cdrPlayInterrupt_Autopause() |
494 | { | |
66425c25 | 495 | u32 abs_lev_max = 0; |
496 | boolean abs_lev_chselect; | |
497 | u32 i; | |
498 | ||
fffad32e | 499 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 500 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 501 | |
502 | // Magic the Gathering | |
503 | // - looping territory cdda | |
504 | ||
505 | // ...? | |
506 | //cdr.ResultReady = 1; | |
507 | //cdr.Stat = DataReady; | |
508 | cdr.Stat = DataEnd; | |
f4a0ef36 | 509 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 510 | |
511 | StopCdda(); | |
05e5c298 | 512 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 513 | } |
d2e271b2 | 514 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 515 | cdr.Result[0] = cdr.StatP; |
516 | cdr.Result[1] = cdr.subq.Track; | |
517 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 518 | |
519 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
520 | ||
521 | /* 8 is a hack. For accuracy, it should be 588. */ | |
522 | for (i = 0; i < 8; i++) | |
523 | { | |
524 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
525 | } | |
526 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
527 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 528 | |
fffad32e | 529 | if (cdr.subq.Absolute[2] & 0x10) { |
530 | cdr.Result[3] = cdr.subq.Relative[0]; | |
531 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
532 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 533 | } |
fffad32e | 534 | else { |
535 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
536 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
537 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
538 | } | |
539 | ||
66425c25 | 540 | cdr.Result[6] = abs_lev_max >> 0; |
541 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 542 | |
543 | // Rayman: Logo freeze (resultready + dataready) | |
544 | cdr.ResultReady = 1; | |
545 | cdr.Stat = DataReady; | |
546 | ||
547 | SetResultSize(8); | |
f4a0ef36 | 548 | setIrq(0x1001); |
7f457614 | 549 | } |
550 | } | |
551 | ||
05e5c298 | 552 | static int cdrSeekTime(unsigned char *target) |
553 | { | |
1290ebe4 | 554 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
555 | int seekTime = abs(diff) * (cdReadTime / 200); | |
05e5c298 | 556 | /* |
557 | * Gameblabla : | |
558 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
559 | * and was unreliable for that game. | |
560 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
561 | * | |
562 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
563 | * Games to test this against if you change that setting : | |
564 | * - Driver (titlescreen music delay and retry mission) | |
565 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
566 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
567 | * | |
568 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
569 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
570 | */ | |
571 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
572 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
573 | return seekTime; | |
574 | } | |
575 | ||
4d384ca8 | 576 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 577 | static void cdrReadInterrupt(void); |
3e629be9 | 578 | static void cdrPrepCdda(s16 *buf, int samples); |
579 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 580 | |
c4e62180 | 581 | void cdrPlayReadInterrupt(void) |
7f457614 | 582 | { |
28eea6ac | 583 | if (cdr.Reading) { |
584 | cdrReadInterrupt(); | |
585 | return; | |
586 | } | |
587 | ||
39df67df | 588 | if (!cdr.Play) return; |
7f457614 | 589 | |
7f457614 | 590 | CDR_LOG( "CDDA - %d:%d:%d\n", |
591 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 592 | |
28eea6ac | 593 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 594 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
595 | StopCdda(); | |
05e5c298 | 596 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 597 | cdr.TrackChanged = TRUE; |
598 | } | |
084b0f31 | 599 | else { |
600 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
601 | } | |
7f457614 | 602 | |
5c96969c | 603 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 604 | cdrPlayInterrupt_Autopause(); |
605 | ||
cdaef86c | 606 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 607 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 608 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 609 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
610 | cdr.FirstSector = 0; | |
66425c25 | 611 | } |
fffad32e | 612 | |
7f457614 | 613 | cdr.SetSectorPlay[2]++; |
614 | if (cdr.SetSectorPlay[2] == 75) { | |
615 | cdr.SetSectorPlay[2] = 0; | |
616 | cdr.SetSectorPlay[1]++; | |
617 | if (cdr.SetSectorPlay[1] == 60) { | |
618 | cdr.SetSectorPlay[1] = 0; | |
619 | cdr.SetSectorPlay[0]++; | |
620 | } | |
621 | } | |
622 | ||
fffad32e | 623 | // update for CdlGetlocP/autopause |
73b29eeb | 624 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 625 | |
c4e62180 | 626 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 627 | } |
628 | ||
f4a0ef36 | 629 | #define CMD_PART2 0x100 |
630 | #define CMD_WHILE_NOT_READY 0x200 | |
631 | ||
28eea6ac | 632 | void cdrInterrupt(void) { |
e4268a49 | 633 | int start_rotating = 0; |
634 | int error = 0; | |
fbf19ce6 | 635 | unsigned int seekTime = 0; |
5c96969c | 636 | u32 second_resp_time = 0; |
637 | u8 ParamC; | |
115d0459 | 638 | u8 set_loc[3]; |
f4a0ef36 | 639 | u16 not_ready = 0; |
5c96969c | 640 | u16 Cmd; |
115d0459 | 641 | int i; |
ef79bbde P |
642 | |
643 | if (cdr.Stat) { | |
cf55f16a | 644 | CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n", |
645 | psxRegs.cycle, cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
646 | return; |
647 | } | |
4d384ca8 | 648 | if (cdr.Irq1Pending) { |
649 | // hand out the "newest" sector, according to nocash | |
650 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
651 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
652 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
653 | SetResultSize(1); | |
654 | cdr.Result[0] = cdr.Irq1Pending; | |
655 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
656 | cdr.Irq1Pending = 0; | |
f4a0ef36 | 657 | setIrq(0x1003); |
4d384ca8 | 658 | return; |
659 | } | |
ef79bbde | 660 | |
e4268a49 | 661 | // default response |
662 | SetResultSize(1); | |
663 | cdr.Result[0] = cdr.StatP; | |
664 | cdr.Stat = Acknowledge; | |
665 | ||
5c96969c | 666 | Cmd = cdr.CmdInProgress; |
667 | cdr.CmdInProgress = 0; | |
668 | ParamC = cdr.ParamC; | |
e4268a49 | 669 | |
5c96969c | 670 | if (Cmd < 0x100) { |
f4a0ef36 | 671 | cdr.Ctrl &= ~0x80; |
5c96969c | 672 | cdr.ParamC = 0; |
f4a0ef36 | 673 | cdr.Cmd = 0; |
674 | } | |
675 | ||
676 | switch (cdr.DriveState) { | |
b4638ad9 | 677 | case DRIVESTATE_PREPARE_CD: |
678 | if (Cmd > 2) { | |
679 | // Syphon filter 2 expects commands to work shortly after it sees | |
680 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
681 | cdr.DriveState = DRIVESTATE_STANDBY; | |
682 | cdr.StatP &= ~STATUS_SEEK; | |
683 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
684 | break; | |
685 | } | |
686 | // fallthrough | |
f4a0ef36 | 687 | case DRIVESTATE_LID_OPEN: |
688 | case DRIVESTATE_RESCAN_CD: | |
f4a0ef36 | 689 | // no disk or busy with the initial scan, allowed cmds are limited |
690 | not_ready = CMD_WHILE_NOT_READY; | |
691 | break; | |
5c96969c | 692 | } |
e4268a49 | 693 | |
f4a0ef36 | 694 | switch (Cmd | not_ready) { |
ef79bbde | 695 | case CdlNop: |
f4a0ef36 | 696 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 697 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
698 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
699 | break; |
700 | ||
701 | case CdlSetloc: | |
f4a0ef36 | 702 | case CdlSetloc + CMD_WHILE_NOT_READY: |
115d0459 | 703 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
704 | ||
705 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
706 | 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)) | |
707 | { | |
708 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
709 | error = ERROR_INVALIDARG; | |
710 | goto set_error; | |
711 | } | |
712 | else | |
713 | { | |
714 | for (i = 0; i < 3; i++) | |
115d0459 | 715 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 716 | memcpy(cdr.SetSector, set_loc, 3); |
717 | cdr.SetSector[3] = 0; | |
718 | cdr.SetlocPending = 1; | |
719 | } | |
ef79bbde P |
720 | break; |
721 | ||
55b8460a | 722 | do_CdlPlay: |
ef79bbde | 723 | case CdlPlay: |
030bd76a | 724 | StopCdda(); |
05e5c298 | 725 | StopReading(); |
726 | ||
d2e271b2 | 727 | cdr.FastBackward = 0; |
728 | cdr.FastForward = 0; | |
729 | ||
2d5ca6c0 | 730 | // BIOS CD Player |
731 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
732 | ||
5c96969c | 733 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 734 | int track = btoi( cdr.Param[0] ); |
735 | ||
736 | if (track <= cdr.ResultTN[1]) | |
737 | cdr.CurTrack = track; | |
738 | ||
739 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
740 | ||
741 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 742 | for (i = 0; i < 3; i++) |
743 | set_loc[i] = cdr.ResultTD[2 - i]; | |
744 | seekTime = cdrSeekTime(set_loc); | |
745 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 746 | } |
747 | } | |
05e5c298 | 748 | else if (cdr.SetlocPending) { |
749 | seekTime = cdrSeekTime(cdr.SetSector); | |
750 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
751 | } | |
752 | else { | |
753 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
754 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
755 | } | |
756 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 757 | |
9f8b032d | 758 | /* |
759 | Rayman: detect track changes | |
760 | - fixes logo freeze | |
761 | ||
762 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
763 | - plays tracks without retry play | |
764 | ||
765 | Wild 9: skip PREGAP + starting accurate SubQ | |
766 | - plays tracks without retry play | |
767 | */ | |
fffad32e | 768 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 769 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 770 | cdr.TrackChanged = FALSE; |
cdaef86c | 771 | cdr.FirstSector = 1; |
9f8b032d | 772 | |
2d5ca6c0 | 773 | if (!Config.Cdda) |
2e88c317 | 774 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 775 | |
05e5c298 | 776 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 777 | |
778 | // BIOS player - set flag again | |
779 | cdr.Play = TRUE; | |
780 | ||
c4e62180 | 781 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 782 | start_rotating = 1; |
ef79bbde P |
783 | break; |
784 | ||
9f8b032d | 785 | case CdlForward: |
e4268a49 | 786 | // TODO: error 80 if stopped |
9f8b032d | 787 | cdr.Stat = Complete; |
2e88c317 | 788 | |
9f8b032d | 789 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 790 | cdr.FastForward = 1; |
9f8b032d | 791 | cdr.FastBackward = 0; |
ef79bbde P |
792 | break; |
793 | ||
9f8b032d | 794 | case CdlBackward: |
9f8b032d | 795 | cdr.Stat = Complete; |
796 | ||
9f8b032d | 797 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 798 | cdr.FastBackward = 1; |
9f8b032d | 799 | cdr.FastForward = 0; |
ef79bbde P |
800 | break; |
801 | ||
9f8b032d | 802 | case CdlStandby: |
e4268a49 | 803 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
804 | error = ERROR_INVALIDARG; | |
805 | goto set_error; | |
806 | } | |
5c96969c | 807 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 808 | start_rotating = 1; |
809 | break; | |
810 | ||
f4a0ef36 | 811 | case CdlStandby + CMD_PART2: |
ef79bbde P |
812 | cdr.Stat = Complete; |
813 | break; | |
814 | ||
815 | case CdlStop: | |
030bd76a | 816 | if (cdr.Play) { |
817 | // grab time for current track | |
818 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
819 | ||
820 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
821 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
822 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
823 | } | |
824 | ||
825 | StopCdda(); | |
826 | StopReading(); | |
05e5c298 | 827 | SetPlaySeekRead(cdr.StatP, 0); |
828 | cdr.StatP &= ~STATUS_ROTATING; | |
030bd76a | 829 | |
5c96969c | 830 | second_resp_time = 0x800; |
e4268a49 | 831 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 832 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 833 | |
834 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 835 | break; |
836 | ||
f4a0ef36 | 837 | case CdlStop + CMD_PART2: |
ef79bbde | 838 | cdr.Stat = Complete; |
ef79bbde P |
839 | break; |
840 | ||
841 | case CdlPause: | |
05e5c298 | 842 | StopCdda(); |
843 | StopReading(); | |
12228917 | 844 | /* |
845 | Gundam Battle Assault 2: much slower (*) | |
846 | - Fixes boot, gameplay | |
2e88c317 | 847 | |
12228917 | 848 | Hokuto no Ken 2: slower |
849 | - Fixes intro + subtitles | |
2e88c317 | 850 | |
12228917 | 851 | InuYasha - Feudal Fairy Tale: slower |
852 | - Fixes battles | |
853 | */ | |
62018a94 | 854 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
855 | * The timings from Duckstation are based upon hardware tests. | |
856 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
857 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 858 | * */ |
05e5c298 | 859 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 860 | { |
5c96969c | 861 | second_resp_time = 7000; |
62018a94 | 862 | } |
863 | else | |
864 | { | |
5c96969c | 865 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
62018a94 | 866 | } |
05e5c298 | 867 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
868 | break; |
869 | ||
f4a0ef36 | 870 | case CdlPause + CMD_PART2: |
9f8b032d | 871 | cdr.Stat = Complete; |
ef79bbde P |
872 | break; |
873 | ||
8399ca33 | 874 | case CdlReset: |
f4a0ef36 | 875 | case CdlReset + CMD_WHILE_NOT_READY: |
05e5c298 | 876 | StopCdda(); |
877 | StopReading(); | |
878 | SetPlaySeekRead(cdr.StatP, 0); | |
8399ca33 | 879 | cdr.Muted = FALSE; |
2e88c317 | 880 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ |
f4a0ef36 | 881 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 882 | start_rotating = 1; |
883 | break; | |
884 | ||
f4a0ef36 | 885 | case CdlReset + CMD_PART2: |
886 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 887 | cdr.Stat = Complete; |
ef79bbde P |
888 | break; |
889 | ||
9f8b032d | 890 | case CdlMute: |
030bd76a | 891 | cdr.Muted = TRUE; |
ef79bbde P |
892 | break; |
893 | ||
9f8b032d | 894 | case CdlDemute: |
030bd76a | 895 | cdr.Muted = FALSE; |
ef79bbde P |
896 | break; |
897 | ||
9f8b032d | 898 | case CdlSetfilter: |
030bd76a | 899 | cdr.File = cdr.Param[0]; |
900 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 901 | break; |
ef79bbde P |
902 | |
903 | case CdlSetmode: | |
f4a0ef36 | 904 | case CdlSetmode + CMD_WHILE_NOT_READY: |
5c96969c | 905 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
906 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 907 | break; |
ef79bbde | 908 | |
95465b97 | 909 | case CdlGetparam: |
f4a0ef36 | 910 | case CdlGetparam + CMD_WHILE_NOT_READY: |
2e88c317 | 911 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 912 | SetResultSize(5); |
9f8b032d | 913 | cdr.Result[1] = cdr.Mode; |
95465b97 | 914 | cdr.Result[2] = 0; |
915 | cdr.Result[3] = cdr.File; | |
916 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 917 | break; |
ef79bbde | 918 | |
9f8b032d | 919 | case CdlGetlocL: |
ef79bbde | 920 | SetResultSize(8); |
e4268a49 | 921 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 922 | break; |
ef79bbde P |
923 | |
924 | case CdlGetlocP: | |
fffad32e | 925 | SetResultSize(8); |
926 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 927 | break; |
892bd7d4 | 928 | |
e4268a49 | 929 | case CdlReadT: // SetSession? |
930 | // really long | |
5c96969c | 931 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 932 | start_rotating = 1; |
933 | break; | |
934 | ||
f4a0ef36 | 935 | case CdlReadT + CMD_PART2: |
e4268a49 | 936 | cdr.Stat = Complete; |
ef79bbde P |
937 | break; |
938 | ||
9f8b032d | 939 | case CdlGetTN: |
ef79bbde | 940 | SetResultSize(3); |
9f8b032d | 941 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 942 | cdr.Stat = DiskError; |
9f8b032d | 943 | cdr.Result[0] |= STATUS_ERROR; |
944 | } else { | |
945 | cdr.Stat = Acknowledge; | |
946 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
947 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
948 | } | |
949 | break; | |
ef79bbde | 950 | |
9f8b032d | 951 | case CdlGetTD: |
ef79bbde P |
952 | cdr.Track = btoi(cdr.Param[0]); |
953 | SetResultSize(4); | |
ef79bbde P |
954 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
955 | cdr.Stat = DiskError; | |
9f8b032d | 956 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
957 | } else { |
958 | cdr.Stat = Acknowledge; | |
959 | cdr.Result[0] = cdr.StatP; | |
960 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
961 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 962 | /* According to Nocash's documentation, the function doesn't care about ff. |
963 | * This can be seen also in Mednafen's implementation. */ | |
964 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
965 | } |
966 | break; | |
967 | ||
9f8b032d | 968 | case CdlSeekL: |
39df67df | 969 | case CdlSeekP: |
030bd76a | 970 | StopCdda(); |
971 | StopReading(); | |
c4e62180 | 972 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 973 | |
05e5c298 | 974 | seekTime = cdrSeekTime(cdr.SetSector); |
975 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 976 | /* |
977 | Crusaders of Might and Magic = 0.5x-4x | |
978 | - fix cutscene speech start | |
979 | ||
980 | Eggs of Steel = 2x-? | |
981 | - fix new game | |
982 | ||
983 | Medievil = ?-4x | |
984 | - fix cutscene speech | |
985 | ||
986 | Rockman X5 = 0.5-4x | |
987 | - fix capcom logo | |
988 | */ | |
c4e62180 | 989 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 990 | start_rotating = 1; |
ef79bbde P |
991 | break; |
992 | ||
c4e62180 | 993 | case CdlSeekL + CMD_PART2: |
994 | case CdlSeekP + CMD_PART2: | |
995 | SetPlaySeekRead(cdr.StatP, 0); | |
996 | cdr.Stat = Complete; | |
997 | ||
998 | Find_CurTrack(cdr.SetSectorPlay); | |
999 | ReadTrack(cdr.SetSectorPlay); | |
1000 | cdr.TrackChanged = FALSE; | |
1001 | break; | |
1002 | ||
ef79bbde | 1003 | case CdlTest: |
f4a0ef36 | 1004 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1005 | switch (cdr.Param[0]) { |
1006 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1007 | SetResultSize(4); |
1008 | memcpy(cdr.Result, Test20, 4); | |
1009 | break; | |
1010 | case 0x22: | |
1011 | SetResultSize(8); | |
1012 | memcpy(cdr.Result, Test22, 4); | |
1013 | break; | |
1014 | case 0x23: case 0x24: | |
1015 | SetResultSize(8); | |
1016 | memcpy(cdr.Result, Test23, 4); | |
1017 | break; | |
9f8b032d | 1018 | } |
ef79bbde P |
1019 | break; |
1020 | ||
9f8b032d | 1021 | case CdlID: |
5c96969c | 1022 | second_resp_time = 20480; |
ef79bbde P |
1023 | break; |
1024 | ||
f4a0ef36 | 1025 | case CdlID + CMD_PART2: |
ef79bbde | 1026 | SetResultSize(8); |
89ec56af | 1027 | cdr.Result[0] = cdr.StatP; |
1028 | cdr.Result[1] = 0; | |
1029 | cdr.Result[2] = 0; | |
1030 | cdr.Result[3] = 0; | |
9f8b032d | 1031 | |
d8432250 | 1032 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1033 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1034 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1035 | } |
1036 | else { | |
89ec56af | 1037 | if (stat.Type == 2) |
1038 | cdr.Result[1] |= 0x10; | |
1039 | if (CdromId[0] == '\0') | |
9f8b032d | 1040 | cdr.Result[1] |= 0x80; |
9f8b032d | 1041 | } |
89ec56af | 1042 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1043 | |
3e42b115 | 1044 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1045 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1046 | cdr.Stat = Complete; |
1047 | break; | |
1048 | ||
8399ca33 | 1049 | case CdlInit: |
f4a0ef36 | 1050 | case CdlInit + CMD_WHILE_NOT_READY: |
05e5c298 | 1051 | StopCdda(); |
1052 | StopReading(); | |
1053 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1054 | // yes, it really sets STATUS_SHELLOPEN |
1055 | cdr.StatP |= STATUS_SHELLOPEN; | |
1056 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1057 | CDRLID_INT(20480); | |
e4268a49 | 1058 | start_rotating = 1; |
9f8b032d | 1059 | break; |
1060 | ||
e4268a49 | 1061 | case CdlGetQ: |
f4a0ef36 | 1062 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1063 | break; |
1064 | ||
1065 | case CdlReadToc: | |
f4a0ef36 | 1066 | case CdlReadToc + CMD_WHILE_NOT_READY: |
5c96969c | 1067 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1068 | start_rotating = 1; |
ef79bbde P |
1069 | break; |
1070 | ||
f4a0ef36 | 1071 | case CdlReadToc + CMD_PART2: |
1072 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1073 | cdr.Stat = Complete; |
ef79bbde P |
1074 | break; |
1075 | ||
94c118c3 | 1076 | case CdlReadN: |
1077 | case CdlReadS: | |
05e5c298 | 1078 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1079 | |
1080 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1081 | // Read* acts as play for cdda tracks in cdda mode | |
1082 | goto do_CdlPlay; | |
1083 | ||
05e5c298 | 1084 | StopCdda(); |
1085 | if (cdr.SetlocPending) { | |
1086 | seekTime = cdrSeekTime(cdr.SetSector); | |
1087 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1088 | cdr.SetlocPending = 0; | |
1089 | } | |
030bd76a | 1090 | cdr.Reading = 1; |
1091 | cdr.FirstSector = 1; | |
ef79bbde | 1092 | |
9f8b032d | 1093 | // Fighting Force 2 - update subq time immediately |
1094 | // - fixes new game | |
55b8460a | 1095 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 1096 | |
c4e62180 | 1097 | CDRPLAYREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime, 1); |
ef79bbde | 1098 | |
05e5c298 | 1099 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1100 | start_rotating = 1; |
ef79bbde | 1101 | break; |
f96ca921 | 1102 | case CdlSync: |
ef79bbde | 1103 | default: |
f4a0ef36 | 1104 | CDR_LOG_I("Invalid command: %02x%s\n", |
1105 | Cmd, not_ready ? " (not_ready)" : ""); | |
e4268a49 | 1106 | error = ERROR_INVALIDCMD; |
1107 | // FALLTHROUGH | |
1108 | ||
1109 | set_error: | |
1110 | SetResultSize(2); | |
1111 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
f4a0ef36 | 1112 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1113 | cdr.Stat = DiskError; |
ef79bbde P |
1114 | break; |
1115 | } | |
1116 | ||
e4268a49 | 1117 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
f4a0ef36 | 1118 | printf("cdr.DriveState %d->%d\n", cdr.DriveState, DRIVESTATE_STANDBY); |
e4268a49 | 1119 | cdr.DriveState = DRIVESTATE_STANDBY; |
1120 | cdr.StatP |= STATUS_ROTATING; | |
1121 | } | |
1122 | ||
5c96969c | 1123 | if (second_resp_time) { |
1124 | cdr.CmdInProgress = Cmd | 0x100; | |
1125 | CDR_INT(second_resp_time); | |
1126 | } | |
1127 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1128 | cdr.CmdInProgress = cdr.Cmd; | |
cf55f16a | 1129 | CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n", |
1130 | psxRegs.cycle, cdr.Cmd, Cmd); | |
5c96969c | 1131 | } |
1132 | ||
1133 | setIrq(Cmd); | |
ef79bbde P |
1134 | } |
1135 | ||
8f2bb0cb | 1136 | #ifdef HAVE_ARMV7 |
53598a71 | 1137 | #define ssat32_to_16(v) \ |
1138 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1139 | #else | |
1140 | #define ssat32_to_16(v) do { \ | |
1141 | if (v < -32768) v = -32768; \ | |
1142 | else if (v > 32767) v = 32767; \ | |
1143 | } while (0) | |
1144 | #endif | |
1145 | ||
3e629be9 | 1146 | static void cdrPrepCdda(s16 *buf, int samples) |
1147 | { | |
1148 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1149 | int i; | |
1150 | for (i = 0; i < samples; i++) { | |
1151 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1152 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1153 | } | |
1154 | #endif | |
1155 | } | |
1156 | ||
1157 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1158 | { |
1159 | int i, l, r; | |
1160 | int ll = cdr.AttenuatorLeftToLeft; | |
1161 | int lr = cdr.AttenuatorLeftToRight; | |
1162 | int rl = cdr.AttenuatorRightToLeft; | |
1163 | int rr = cdr.AttenuatorRightToRight; | |
1164 | ||
1165 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1166 | return; | |
1167 | ||
1168 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1169 | return; | |
1170 | ||
1171 | if (stereo) { | |
1172 | for (i = 0; i < samples; i++) { | |
1173 | l = buf[i * 2]; | |
1174 | r = buf[i * 2 + 1]; | |
1175 | l = (l * ll + r * rl) >> 7; | |
1176 | r = (r * rr + l * lr) >> 7; | |
1177 | ssat32_to_16(l); | |
1178 | ssat32_to_16(r); | |
1179 | buf[i * 2] = l; | |
1180 | buf[i * 2 + 1] = r; | |
1181 | } | |
1182 | } | |
1183 | else { | |
1184 | for (i = 0; i < samples; i++) { | |
1185 | l = buf[i]; | |
1186 | l = l * (ll + rl) >> 7; | |
1187 | //r = r * (rr + lr) >> 7; | |
1188 | ssat32_to_16(l); | |
1189 | //ssat32_to_16(r); | |
1190 | buf[i] = l; | |
1191 | } | |
1192 | } | |
1193 | } | |
1194 | ||
f55c59b7 | 1195 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1196 | { |
5c96969c | 1197 | if (cdr.Stat) { |
f55c59b7 | 1198 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1199 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1200 | cdr.CmdInProgress, cdr.Stat); | |
1201 | cdr.Irq1Pending = result; | |
ef79bbde P |
1202 | return; |
1203 | } | |
ef79bbde | 1204 | SetResultSize(1); |
f55c59b7 | 1205 | cdr.Result[0] = result; |
1206 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
f4a0ef36 | 1207 | setIrq(0x1004); |
f55c59b7 | 1208 | } |
1209 | ||
1210 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1211 | { | |
1212 | if (!buf) | |
1213 | return; | |
1214 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1215 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1216 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1217 | if (cdr.FifoOffset < 2048 + 12) |
1218 | CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
f55c59b7 | 1219 | } |
1220 | ||
1221 | static void cdrReadInterrupt(void) | |
1222 | { | |
1223 | u8 *buf = NULL, *hdr; | |
1224 | ||
05e5c298 | 1225 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
ef79bbde | 1226 | |
55b8460a | 1227 | ReadTrack(cdr.SetSectorPlay); |
f55c59b7 | 1228 | if (cdr.NoErr) |
1229 | buf = CDR_getBuffer(); | |
ef79bbde | 1230 | if (buf == NULL) |
6087d7e7 | 1231 | cdr.NoErr = 0; |
ef79bbde | 1232 | |
2e88c317 | 1233 | if (!cdr.NoErr) { |
8b380e97 | 1234 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde | 1235 | memset(cdr.Transfer, 0, DATA_SIZE); |
f55c59b7 | 1236 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1237 | return; |
1238 | } | |
1239 | ||
f55c59b7 | 1240 | if (!cdr.Irq1Pending) |
1241 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1242 | |
9f8b032d | 1243 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1244 | hdr = buf + 4; |
9f8b032d | 1245 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1246 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1247 | cdr.File = hdr[0]; |
1248 | cdr.Channel = hdr[1]; | |
9f8b032d | 1249 | } |
1250 | ||
0e0ad585 | 1251 | /* Gameblabla |
1252 | * Skips playing on channel 255. | |
1253 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1254 | * TODO : Check if this is the proper behaviour. | |
1255 | * */ | |
f55c59b7 | 1256 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1257 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1258 | if (!ret) { |
53598a71 | 1259 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1260 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1261 | cdr.FirstSector = 0; |
1262 | } | |
1263 | else cdr.FirstSector = -1; | |
1264 | } | |
1265 | } | |
1266 | ||
f55c59b7 | 1267 | /* |
1268 | Croc 2: $40 - only FORM1 (*) | |
1269 | Judge Dredd: $C8 - only FORM1 (*) | |
1270 | Sim Theme Park - no adpcm at all (zero) | |
1271 | */ | |
1272 | ||
1273 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1274 | cdrReadInterruptSetResult(cdr.StatP); | |
1275 | ||
55b8460a | 1276 | cdr.SetSectorPlay[2]++; |
1277 | if (cdr.SetSectorPlay[2] == 75) { | |
1278 | cdr.SetSectorPlay[2] = 0; | |
1279 | cdr.SetSectorPlay[1]++; | |
1280 | if (cdr.SetSectorPlay[1] == 60) { | |
1281 | cdr.SetSectorPlay[1] = 0; | |
1282 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1283 | } |
1284 | } | |
1285 | ||
f55c59b7 | 1286 | if (!cdr.Irq1Pending) { |
1287 | // update for CdlGetlocP | |
1288 | ReadTrack(cdr.SetSectorPlay); | |
1289 | } | |
9f8b032d | 1290 | |
c4e62180 | 1291 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1292 | } |
9f8b032d | 1293 | |
ef79bbde P |
1294 | /* |
1295 | cdrRead0: | |
94c118c3 | 1296 | bit 0,1 - mode |
ef79bbde P |
1297 | bit 2 - unknown |
1298 | bit 3 - unknown | |
1299 | bit 4 - unknown | |
1300 | bit 5 - 1 result ready | |
1301 | bit 6 - 1 dma ready | |
1302 | bit 7 - 1 command being processed | |
1303 | */ | |
1304 | ||
1305 | unsigned char cdrRead0(void) { | |
1306 | if (cdr.ResultReady) | |
1307 | cdr.Ctrl |= 0x20; | |
1308 | else | |
1309 | cdr.Ctrl &= ~0x20; | |
1310 | ||
5c96969c | 1311 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1312 | |
1313 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1314 | cdr.Ctrl |= 0x18; | |
1315 | ||
e7acd858 | 1316 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1317 | |
1318 | return psxHu8(0x1800) = cdr.Ctrl; | |
1319 | } | |
1320 | ||
ef79bbde | 1321 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1322 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1323 | |
50b13be9 | 1324 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1325 | } |
1326 | ||
1327 | unsigned char cdrRead1(void) { | |
94c118c3 | 1328 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1329 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1330 | else |
ef79bbde | 1331 | psxHu8(0x1801) = 0; |
94c118c3 | 1332 | cdr.ResultP++; |
1333 | if (cdr.ResultP == cdr.ResultC) | |
1334 | cdr.ResultReady = 0; | |
1335 | ||
e7acd858 | 1336 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1337 | |
ef79bbde P |
1338 | return psxHu8(0x1801); |
1339 | } | |
1340 | ||
1341 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1342 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1343 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1344 | |
94c118c3 | 1345 | switch (cdr.Ctrl & 3) { |
1346 | case 0: | |
1347 | break; | |
1348 | case 3: | |
53598a71 | 1349 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1350 | return; |
1351 | default: | |
1352 | return; | |
9f8b032d | 1353 | } |
1354 | ||
8b380e97 | 1355 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1356 | SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]); |
ef79bbde | 1357 | if (cdr.ParamC) { |
e7acd858 | 1358 | int i; |
ef79bbde P |
1359 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1360 | for (i = 0; i < cdr.ParamC; i++) | |
1361 | SysPrintf(" %x,", cdr.Param[i]); | |
1362 | SysPrintf("}\n"); | |
1363 | } else { | |
1364 | SysPrintf("\n"); | |
1365 | } | |
1366 | #endif | |
1367 | ||
2daaaae3 | 1368 | cdr.ResultReady = 0; |
94c118c3 | 1369 | cdr.Ctrl |= 0x80; |
8b380e97 | 1370 | |
5c96969c | 1371 | if (!cdr.CmdInProgress) { |
1372 | cdr.CmdInProgress = rt; | |
1373 | // should be something like 12k + controller delays | |
1374 | CDR_INT(5000); | |
9f8b032d | 1375 | } |
5c96969c | 1376 | else { |
cf55f16a | 1377 | CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n", |
1378 | psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1379 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1380 | cdr.CmdInProgress = rt; | |
1381 | } | |
1382 | ||
1383 | cdr.Cmd = rt; | |
ef79bbde P |
1384 | } |
1385 | ||
1386 | unsigned char cdrRead2(void) { | |
6cbdadb3 | 1387 | unsigned char ret = 0; |
ef79bbde | 1388 | |
e411faef | 1389 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1390 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1391 | else | |
e411faef | 1392 | CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1393 | |
e7acd858 | 1394 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1395 | return ret; |
1396 | } | |
1397 | ||
1398 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1399 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1400 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1401 | |
94c118c3 | 1402 | switch (cdr.Ctrl & 3) { |
1403 | case 0: | |
1404 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1405 | cdr.Param[cdr.ParamC++] = rt; | |
1406 | return; | |
1407 | case 1: | |
1408 | cdr.Reg2 = rt; | |
f4a0ef36 | 1409 | setIrq(0x1005); |
94c118c3 | 1410 | return; |
1411 | case 2: | |
53598a71 | 1412 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1413 | return; |
1414 | case 3: | |
53598a71 | 1415 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1416 | return; |
ef79bbde P |
1417 | } |
1418 | } | |
1419 | ||
1420 | unsigned char cdrRead3(void) { | |
94c118c3 | 1421 | if (cdr.Ctrl & 0x1) |
1422 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1423 | else | |
1424 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1425 | |
e7acd858 | 1426 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1427 | return psxHu8(0x1803); |
1428 | } | |
1429 | ||
1430 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1431 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1432 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1433 | |
94c118c3 | 1434 | switch (cdr.Ctrl & 3) { |
1435 | case 0: | |
a34a2445 | 1436 | break; // transfer |
94c118c3 | 1437 | case 1: |
4d384ca8 | 1438 | if (cdr.Stat & rt) { |
5c96969c | 1439 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1440 | SysPrintf("%u cdrom: ack %02x (w %02x)\n", |
1441 | psxRegs.cycle, cdr.Stat & rt, rt); | |
5c96969c | 1442 | #endif |
cf55f16a | 1443 | // note: Croc vs Discworld Noir |
4d384ca8 | 1444 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && |
1445 | (cdr.CmdInProgress || cdr.Irq1Pending)) | |
cf55f16a | 1446 | CDR_INT(850); // 711-993 |
4d384ca8 | 1447 | } |
a34a2445 | 1448 | cdr.Stat &= ~rt; |
1449 | ||
1450 | if (rt & 0x40) | |
1451 | cdr.ParamC = 0; | |
1452 | return; | |
94c118c3 | 1453 | case 2: |
53598a71 | 1454 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1455 | return; |
1456 | case 3: | |
53598a71 | 1457 | if (rt & 0x20) { |
1458 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1459 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1460 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1461 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1462 | } | |
94c118c3 | 1463 | return; |
9f8b032d | 1464 | } |
056d6759 | 1465 | |
e411faef | 1466 | // test: Viewpoint |
1467 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1468 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1469 | } | |
1470 | else if (rt & 0x80) { | |
ef79bbde | 1471 | switch (cdr.Mode & 0x30) { |
9f8b032d | 1472 | case MODE_SIZE_2328: |
ef79bbde | 1473 | case 0x00: |
6cbdadb3 | 1474 | cdr.FifoOffset = 12; |
e411faef | 1475 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1476 | break; |
9f8b032d | 1477 | |
1478 | case MODE_SIZE_2340: | |
ef79bbde | 1479 | default: |
6cbdadb3 | 1480 | cdr.FifoOffset = 0; |
e411faef | 1481 | cdr.FifoSize = 2340; |
ef79bbde P |
1482 | break; |
1483 | } | |
1484 | } | |
e411faef | 1485 | else if (!(rt & 0xc0)) |
1486 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1487 | } |
1488 | ||
1489 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1490 | u32 cdsize; | |
c7071c43 | 1491 | int size; |
ef79bbde P |
1492 | u8 *ptr; |
1493 | ||
ef79bbde | 1494 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde | 1495 | |
7b68d92c | 1496 | switch (chcr & 0x71000000) { |
ef79bbde | 1497 | case 0x11000000: |
ef79bbde | 1498 | ptr = (u8 *)PSXM(madr); |
b012a437 | 1499 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1500 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1501 | break; |
1502 | } | |
9f8b032d | 1503 | |
6cbdadb3 | 1504 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1505 | ||
9f8b032d | 1506 | /* |
1507 | GS CDX: Enhancement CD crash | |
1508 | - Setloc 0:0:0 | |
1509 | - CdlPlay | |
1510 | - Spams DMA3 and gets buffer overrun | |
1511 | */ | |
6cbdadb3 | 1512 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1513 | if (size > cdsize) |
1514 | size = cdsize; | |
1515 | if (size > 0) | |
9f8b032d | 1516 | { |
6cbdadb3 | 1517 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1518 | cdr.FifoOffset += size; | |
1519 | psxCpu->Clear(madr, size / 4); | |
9f8b032d | 1520 | } |
7df2c03c | 1521 | if (size < cdsize) |
1522 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); | |
9f8b032d | 1523 | |
7b68d92c | 1524 | CDRDMA_INT((cdsize/4) * 24); |
1525 | ||
1526 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1527 | if (chcr & 0x100) { | |
58ebb94c | 1528 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1529 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1530 | } |
7b68d92c | 1531 | else { |
fc4803bd | 1532 | // halted |
7b68d92c | 1533 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1534 | } |
1535 | return; | |
1536 | ||
ef79bbde | 1537 | default: |
7df2c03c | 1538 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1539 | break; |
1540 | } | |
1541 | ||
1542 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1543 | DMA_INTERRUPT(3); | |
1544 | } | |
1545 | ||
28eea6ac | 1546 | void cdrDmaInterrupt(void) |
9f8b032d | 1547 | { |
ad418c19 | 1548 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1549 | { | |
1550 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1551 | DMA_INTERRUPT(3); | |
1552 | } | |
9f8b032d | 1553 | } |
1554 | ||
fffad32e | 1555 | static void getCdInfo(void) |
1556 | { | |
1557 | u8 tmp; | |
1558 | ||
1559 | CDR_getTN(cdr.ResultTN); | |
1560 | CDR_getTD(0, cdr.SetSectorEnd); | |
1561 | tmp = cdr.SetSectorEnd[0]; | |
1562 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1563 | cdr.SetSectorEnd[2] = tmp; | |
1564 | } | |
1565 | ||
ef79bbde P |
1566 | void cdrReset() { |
1567 | memset(&cdr, 0, sizeof(cdr)); | |
1568 | cdr.CurTrack = 1; | |
1569 | cdr.File = 1; | |
1570 | cdr.Channel = 1; | |
a2d3ccb8 | 1571 | cdr.Reg2 = 0x1f; |
1572 | cdr.Stat = NoIntr; | |
6cbdadb3 | 1573 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
b4638ad9 | 1574 | if (CdromId[0] == '\0') { |
1575 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1576 | cdr.StatP = 0; | |
1577 | } | |
1578 | else { | |
1579 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1580 | cdr.StatP = STATUS_ROTATING; | |
1581 | } | |
2e88c317 | 1582 | |
056d6759 | 1583 | // BIOS player - default values |
53598a71 | 1584 | cdr.AttenuatorLeftToLeft = 0x80; |
1585 | cdr.AttenuatorLeftToRight = 0x00; | |
1586 | cdr.AttenuatorRightToLeft = 0x00; | |
1587 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1588 | |
1589 | getCdInfo(); | |
ef79bbde P |
1590 | } |
1591 | ||
496d88d4 | 1592 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1593 | u32 tmp; |
fffad32e | 1594 | u8 tmpp[3]; |
ef79bbde | 1595 | |
fffad32e | 1596 | if (Mode == 0 && !Config.Cdda) |
1597 | CDR_stop(); | |
9f8b032d | 1598 | |
55b8460a | 1599 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1600 | gzfreeze(&cdr, sizeof(cdr)); |
1601 | ||
94c118c3 | 1602 | if (Mode == 1) { |
1603 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1604 | tmp = cdr.FifoOffset; |
94c118c3 | 1605 | } |
ef79bbde P |
1606 | |
1607 | gzfreeze(&tmp, sizeof(tmp)); | |
1608 | ||
42f3c512 | 1609 | if (Mode == 0) { |
fffad32e | 1610 | getCdInfo(); |
1611 | ||
6cbdadb3 | 1612 | cdr.FifoOffset = tmp; |
e411faef | 1613 | cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12; |
ef79bbde | 1614 | |
fffad32e | 1615 | // read right sub data |
0204c39a DS |
1616 | tmpp[0] = btoi(cdr.Prev[0]); |
1617 | tmpp[1] = btoi(cdr.Prev[1]); | |
1618 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1619 | cdr.Prev[0]++; |
73b29eeb | 1620 | ReadTrack(tmpp); |
fffad32e | 1621 | |
1622 | if (cdr.Play) { | |
55b8460a | 1623 | if (cdr.freeze_ver < 0x63647202) |
1624 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1625 | ||
fffad32e | 1626 | Find_CurTrack(cdr.SetSectorPlay); |
1627 | if (!Config.Cdda) | |
2e88c317 | 1628 | CDR_play(cdr.SetSectorPlay); |
28eea6ac | 1629 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
c4e62180 | 1630 | CDRPLAYREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1631 | } |
c69642c8 | 1632 | |
1633 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1634 | // old versions did not latch Reg2, have to fixup.. | |
1635 | if (cdr.Reg2 == 0) { | |
1636 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1637 | cdr.Reg2 = 7; | |
1638 | } | |
0f2dee0f | 1639 | // also did not save Attenuator.. |
1640 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1641 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1642 | { | |
1643 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1644 | } | |
c69642c8 | 1645 | } |
42f3c512 | 1646 | } |
1647 | ||
ef79bbde P |
1648 | return 0; |
1649 | } | |
9f8b032d | 1650 | |
28eea6ac | 1651 | void LidInterrupt(void) { |
fffad32e | 1652 | getCdInfo(); |
80f91a20 | 1653 | cdrLidSeekInterrupt(); |
9f8b032d | 1654 | } |