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