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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
22bbabf6 | 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
18 | ***************************************************************************/ |
19 | ||
22bbabf6 | 20 | /* |
ef79bbde P |
21 | * Handles all CD-ROM registers and functions. |
22 | */ | |
23 | ||
24 | #include "cdrom.h" | |
25 | #include "ppf.h" | |
9f8b032d | 26 | #include "psxdma.h" |
8f2bb0cb | 27 | #include "arm_features.h" |
ef79bbde | 28 | |
8b380e97 | 29 | /* logging */ |
30 | #if 0 | |
31 | #define CDR_LOG SysPrintf | |
32 | #else | |
33 | #define CDR_LOG(...) | |
34 | #endif | |
35 | #if 0 | |
36 | #define CDR_LOG_I SysPrintf | |
37 | #else | |
38 | #define CDR_LOG_I(...) | |
39 | #endif | |
40 | #if 0 | |
41 | #define CDR_LOG_IO SysPrintf | |
42 | #else | |
43 | #define CDR_LOG_IO(...) | |
44 | #endif | |
45 | //#define CDR_LOG_CMD_IRQ | |
46 | ||
e7acd858 | 47 | static struct { |
48 | unsigned char OCUP; | |
49 | unsigned char Reg1Mode; | |
50 | unsigned char Reg2; | |
51 | unsigned char CmdProcess; | |
52 | unsigned char Ctrl; | |
53 | unsigned char Stat; | |
54 | ||
55 | unsigned char StatP; | |
56 | ||
57 | unsigned char Transfer[DATA_SIZE]; | |
58 | struct { | |
59 | unsigned char Track; | |
60 | unsigned char Index; | |
61 | unsigned char Relative[3]; | |
62 | unsigned char Absolute[3]; | |
63 | } subq; | |
64 | unsigned char TrackChanged; | |
05e5c298 | 65 | unsigned char pad1[3]; |
e7acd858 | 66 | unsigned int freeze_ver; |
67 | ||
68 | unsigned char Prev[4]; | |
69 | unsigned char Param[8]; | |
70 | unsigned char Result[16]; | |
71 | ||
72 | unsigned char ParamC; | |
73 | unsigned char ParamP; | |
74 | unsigned char ResultC; | |
75 | unsigned char ResultP; | |
76 | unsigned char ResultReady; | |
77 | unsigned char Cmd; | |
78 | unsigned char Readed; | |
79 | unsigned char SetlocPending; | |
80 | u32 Reading; | |
81 | ||
82 | unsigned char ResultTN[6]; | |
83 | unsigned char ResultTD[4]; | |
84 | unsigned char SetSectorPlay[4]; | |
85 | unsigned char SetSectorEnd[4]; | |
86 | unsigned char SetSector[4]; | |
87 | unsigned char Track; | |
88 | boolean Play, Muted; | |
89 | int CurTrack; | |
90 | int Mode, File, Channel; | |
91 | int Reset; | |
92 | int NoErr; | |
93 | int FirstSector; | |
94 | ||
95 | xa_decode_t Xa; | |
96 | ||
97 | int Init; | |
98 | ||
99 | u16 Irq; | |
100 | u8 IrqRepeated; | |
101 | u32 eCycle; | |
102 | ||
05e5c298 | 103 | u8 pad2; |
e7acd858 | 104 | |
105 | u8 DriveState; | |
106 | u8 FastForward; | |
107 | u8 FastBackward; | |
108 | u8 pad; | |
109 | ||
110 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
111 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
112 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
113 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
114 | } cdr; | |
8e1040b6 | 115 | static unsigned char *pTransfer; |
66425c25 | 116 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
117 | |
118 | /* CD-ROM magic numbers */ | |
2e88c317 | 119 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
120 | #define CdlNop 1 |
121 | #define CdlSetloc 2 | |
122 | #define CdlPlay 3 | |
123 | #define CdlForward 4 | |
124 | #define CdlBackward 5 | |
125 | #define CdlReadN 6 | |
126 | #define CdlStandby 7 | |
127 | #define CdlStop 8 | |
128 | #define CdlPause 9 | |
8399ca33 | 129 | #define CdlReset 10 |
ef79bbde P |
130 | #define CdlMute 11 |
131 | #define CdlDemute 12 | |
132 | #define CdlSetfilter 13 | |
133 | #define CdlSetmode 14 | |
95465b97 | 134 | #define CdlGetparam 15 |
ef79bbde P |
135 | #define CdlGetlocL 16 |
136 | #define CdlGetlocP 17 | |
137 | #define CdlReadT 18 | |
138 | #define CdlGetTN 19 | |
139 | #define CdlGetTD 20 | |
140 | #define CdlSeekL 21 | |
141 | #define CdlSeekP 22 | |
142 | #define CdlSetclock 23 | |
143 | #define CdlGetclock 24 | |
144 | #define CdlTest 25 | |
145 | #define CdlID 26 | |
146 | #define CdlReadS 27 | |
8399ca33 | 147 | #define CdlInit 28 |
e4268a49 | 148 | #define CdlGetQ 29 |
ef79bbde P |
149 | #define CdlReadToc 30 |
150 | ||
e7acd858 | 151 | #ifdef CDR_LOG_CMD_IRQ |
152 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
153 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
154 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 155 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 156 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
157 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
158 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
159 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 160 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 161 | }; |
e7acd858 | 162 | #endif |
ef79bbde P |
163 | |
164 | unsigned char Test04[] = { 0 }; | |
165 | unsigned char Test05[] = { 0 }; | |
166 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
167 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
168 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
169 | ||
9f8b032d | 170 | // cdr.Stat: |
171 | #define NoIntr 0 | |
172 | #define DataReady 1 | |
173 | #define Complete 2 | |
174 | #define Acknowledge 3 | |
175 | #define DataEnd 4 | |
176 | #define DiskError 5 | |
177 | ||
178 | /* Modes flags */ | |
179 | #define MODE_SPEED (1<<7) // 0x80 | |
180 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
181 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
182 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 183 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 184 | #define MODE_SF (1<<3) // 0x08 channel on/off |
185 | #define MODE_REPORT (1<<2) // 0x04 | |
186 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
187 | #define MODE_CDDA (1<<0) // 0x01 | |
188 | ||
189 | /* Status flags */ | |
190 | #define STATUS_PLAY (1<<7) // 0x80 | |
191 | #define STATUS_SEEK (1<<6) // 0x40 | |
192 | #define STATUS_READ (1<<5) // 0x20 | |
193 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
194 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
195 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
196 | #define STATUS_ROTATING (1<<1) // 0x02 | |
197 | #define STATUS_ERROR (1<<0) // 0x01 | |
198 | ||
e4268a49 | 199 | /* Errors */ |
003cfc63 | 200 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 201 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
202 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 203 | |
ef79bbde P |
204 | // 1x = 75 sectors per second |
205 | // PSXCLK = 1 sec in the ps | |
206 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
207 | #define cdReadTime (PSXCLK / 75) | |
208 | ||
80f91a20 | 209 | enum drive_state { |
05e5c298 | 210 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 211 | DRIVESTATE_LID_OPEN, |
212 | DRIVESTATE_RESCAN_CD, | |
213 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 214 | DRIVESTATE_STOPPED, |
80f91a20 | 215 | }; |
216 | ||
ef79bbde | 217 | static struct CdrStat stat; |
ef79bbde | 218 | |
fffad32e | 219 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 220 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
221 | } | |
222 | ||
fffad32e | 223 | // for that weird psemu API.. |
224 | static unsigned int fsm2sec(const u8 *msf) { | |
225 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
226 | } | |
227 | ||
305c8c93 | 228 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 229 | msf[0] = s / 75 / 60; |
230 | s = s - msf[0] * 75 * 60; | |
231 | msf[1] = s / 75; | |
232 | s = s - msf[1] * 75; | |
233 | msf[2] = s; | |
234 | } | |
235 | ||
39df67df | 236 | // cdrInterrupt |
ef79bbde | 237 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 238 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
239 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
240 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
241 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 242 | } |
ef79bbde | 243 | |
39df67df | 244 | // cdrReadInterrupt |
ef79bbde | 245 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 246 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
247 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
248 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
249 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 250 | } |
ef79bbde | 251 | |
39df67df | 252 | // cdrLidSeekInterrupt |
9f8b032d | 253 | #define CDRLID_INT(eCycle) { \ |
254 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
255 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
256 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
257 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
258 | } | |
259 | ||
39df67df | 260 | // cdrPlayInterrupt |
05e5c298 | 261 | #define CDRSEEKPLAY_INT(eCycle) { \ |
7f457614 | 262 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
263 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
264 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
265 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
266 | } | |
267 | ||
ef79bbde | 268 | #define StopReading() { \ |
05e5c298 | 269 | cdr.Reading = 0; \ |
270 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
271 | } |
272 | ||
273 | #define StopCdda() { \ | |
05e5c298 | 274 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
275 | cdr.Play = FALSE; \ | |
276 | cdr.FastForward = 0; \ | |
277 | cdr.FastBackward = 0; \ | |
278 | } | |
279 | ||
280 | #define SetPlaySeekRead(x, f) { \ | |
281 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
282 | x |= f; \ | |
ef79bbde P |
283 | } |
284 | ||
285 | #define SetResultSize(size) { \ | |
94c118c3 | 286 | cdr.ResultP = 0; \ |
ef79bbde P |
287 | cdr.ResultC = size; \ |
288 | cdr.ResultReady = 1; \ | |
289 | } | |
290 | ||
e7acd858 | 291 | static void setIrq(int log_cmd) |
94c118c3 | 292 | { |
293 | if (cdr.Stat & cdr.Reg2) | |
294 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 295 | |
296 | #ifdef CDR_LOG_CMD_IRQ | |
297 | { | |
298 | int i; | |
299 | SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ", | |
300 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
301 | for (i = 0; i < cdr.ResultC; i++) | |
302 | SysPrintf("%02x ", cdr.Result[i]); | |
303 | SysPrintf("\n"); | |
304 | } | |
305 | #endif | |
94c118c3 | 306 | } |
9f8b032d | 307 | |
80f91a20 | 308 | // timing used in this function was taken from tests on real hardware |
309 | // (yes it's slow, but you probably don't want to modify it) | |
9f8b032d | 310 | void cdrLidSeekInterrupt() |
311 | { | |
80f91a20 | 312 | switch (cdr.DriveState) { |
313 | default: | |
314 | case DRIVESTATE_STANDBY: | |
05e5c298 | 315 | StopCdda(); |
316 | StopReading(); | |
317 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 318 | |
80f91a20 | 319 | if (CDR_getStatus(&stat) == -1) |
320 | return; | |
9f8b032d | 321 | |
80f91a20 | 322 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 323 | { |
80f91a20 | 324 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
325 | CDRLID_INT(0x800); | |
326 | } | |
327 | break; | |
9f8b032d | 328 | |
80f91a20 | 329 | case DRIVESTATE_LID_OPEN: |
330 | if (CDR_getStatus(&stat) == -1) | |
331 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 332 | |
80f91a20 | 333 | // 02, 12, 10 |
334 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 335 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 336 | |
80f91a20 | 337 | // could generate error irq here, but real hardware |
338 | // only sometimes does that | |
339 | // (not done when lots of commands are sent?) | |
9f8b032d | 340 | |
80f91a20 | 341 | CDRLID_INT(cdReadTime * 30); |
342 | break; | |
9f8b032d | 343 | } |
80f91a20 | 344 | else if (cdr.StatP & STATUS_ROTATING) { |
345 | cdr.StatP &= ~STATUS_ROTATING; | |
346 | } | |
347 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
348 | // closed now | |
349 | CheckCdrom(); | |
9f8b032d | 350 | |
80f91a20 | 351 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
352 | // and is only cleared by CdlNop | |
9f8b032d | 353 | |
80f91a20 | 354 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
355 | CDRLID_INT(cdReadTime * 105); | |
356 | break; | |
357 | } | |
9f8b032d | 358 | |
80f91a20 | 359 | // recheck for close |
360 | CDRLID_INT(cdReadTime * 3); | |
361 | break; | |
9f8b032d | 362 | |
80f91a20 | 363 | case DRIVESTATE_RESCAN_CD: |
364 | cdr.StatP |= STATUS_ROTATING; | |
365 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 366 | |
80f91a20 | 367 | // this is very long on real hardware, over 6 seconds |
368 | // make it a bit faster here... | |
369 | CDRLID_INT(cdReadTime * 150); | |
370 | break; | |
9f8b032d | 371 | |
80f91a20 | 372 | case DRIVESTATE_PREPARE_CD: |
373 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 374 | |
80f91a20 | 375 | cdr.DriveState = DRIVESTATE_STANDBY; |
376 | CDRLID_INT(cdReadTime * 26); | |
377 | break; | |
9f8b032d | 378 | } |
379 | } | |
380 | ||
fffad32e | 381 | static void Find_CurTrack(const u8 *time) |
382 | { | |
383 | int current, sect; | |
9f8b032d | 384 | |
fffad32e | 385 | current = msf2sec(time); |
9f8b032d | 386 | |
fffad32e | 387 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
388 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
389 | sect = fsm2sec(cdr.ResultTD); | |
390 | if (sect - current >= 150) | |
9f8b032d | 391 | break; |
9f8b032d | 392 | } |
393 | } | |
394 | ||
73b29eeb | 395 | static void generate_subq(const u8 *time) |
396 | { | |
397 | unsigned char start[3], next[3]; | |
398 | unsigned int this_s, start_s, next_s, pregap; | |
399 | int relative_s; | |
400 | ||
401 | CDR_getTD(cdr.CurTrack, start); | |
402 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
403 | pregap = 150; | |
404 | CDR_getTD(cdr.CurTrack + 1, next); | |
405 | } | |
406 | else { | |
407 | // last track - cd size | |
408 | pregap = 0; | |
409 | next[0] = cdr.SetSectorEnd[2]; | |
410 | next[1] = cdr.SetSectorEnd[1]; | |
411 | next[2] = cdr.SetSectorEnd[0]; | |
412 | } | |
413 | ||
414 | this_s = msf2sec(time); | |
415 | start_s = fsm2sec(start); | |
416 | next_s = fsm2sec(next); | |
417 | ||
418 | cdr.TrackChanged = FALSE; | |
419 | ||
420 | if (next_s - this_s < pregap) { | |
421 | cdr.TrackChanged = TRUE; | |
422 | cdr.CurTrack++; | |
423 | start_s = next_s; | |
424 | } | |
425 | ||
426 | cdr.subq.Index = 1; | |
427 | ||
428 | relative_s = this_s - start_s; | |
429 | if (relative_s < 0) { | |
430 | cdr.subq.Index = 0; | |
431 | relative_s = -relative_s; | |
432 | } | |
433 | sec2msf(relative_s, cdr.subq.Relative); | |
434 | ||
435 | cdr.subq.Track = itob(cdr.CurTrack); | |
436 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
437 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
438 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
439 | cdr.subq.Absolute[0] = itob(time[0]); | |
440 | cdr.subq.Absolute[1] = itob(time[1]); | |
441 | cdr.subq.Absolute[2] = itob(time[2]); | |
442 | } | |
443 | ||
444 | static void ReadTrack(const u8 *time) { | |
fffad32e | 445 | unsigned char tmp[3]; |
446 | struct SubQ *subq; | |
447 | u16 crc; | |
ef79bbde | 448 | |
fffad32e | 449 | tmp[0] = itob(time[0]); |
450 | tmp[1] = itob(time[1]); | |
451 | tmp[2] = itob(time[2]); | |
ef79bbde | 452 | |
fffad32e | 453 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
454 | return; | |
39df67df | 455 | |
fffad32e | 456 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 457 | |
6087d7e7 | 458 | cdr.NoErr = CDR_readTrack(tmp); |
fffad32e | 459 | memcpy(cdr.Prev, tmp, 3); |
9f8b032d | 460 | |
fffad32e | 461 | if (CheckSBI(time)) |
462 | return; | |
9f8b032d | 463 | |
fffad32e | 464 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 465 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 466 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 467 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 468 | cdr.subq.Track = subq->TrackNumber; |
469 | cdr.subq.Index = subq->IndexNumber; | |
470 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
471 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 472 | } |
92ca1ba6 | 473 | else { |
73b29eeb | 474 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 475 | tmp[0], tmp[1], tmp[2]); |
476 | } | |
9f8b032d | 477 | } |
fffad32e | 478 | else { |
73b29eeb | 479 | generate_subq(time); |
9f8b032d | 480 | } |
9f8b032d | 481 | |
fffad32e | 482 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
483 | cdr.subq.Track, cdr.subq.Index, | |
484 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
485 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
486 | } | |
9f8b032d | 487 | |
e4268a49 | 488 | static void AddIrqQueue(unsigned short irq, unsigned long ecycle) { |
489 | if (cdr.Irq != 0) { | |
490 | if (irq == cdr.Irq || irq + 0x100 == cdr.Irq) { | |
491 | cdr.IrqRepeated = 1; | |
492 | CDR_INT(ecycle); | |
493 | return; | |
494 | } | |
495 | ||
fffad32e | 496 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); |
e4268a49 | 497 | } |
9f8b032d | 498 | |
fffad32e | 499 | cdr.Irq = irq; |
500 | cdr.eCycle = ecycle; | |
9f8b032d | 501 | |
fffad32e | 502 | CDR_INT(ecycle); |
ef79bbde P |
503 | } |
504 | ||
7f457614 | 505 | static void cdrPlayInterrupt_Autopause() |
506 | { | |
66425c25 | 507 | u32 abs_lev_max = 0; |
508 | boolean abs_lev_chselect; | |
509 | u32 i; | |
510 | ||
fffad32e | 511 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 512 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 513 | |
514 | // Magic the Gathering | |
515 | // - looping territory cdda | |
516 | ||
517 | // ...? | |
518 | //cdr.ResultReady = 1; | |
519 | //cdr.Stat = DataReady; | |
520 | cdr.Stat = DataEnd; | |
e7acd858 | 521 | setIrq(0x200); |
7f457614 | 522 | |
523 | StopCdda(); | |
05e5c298 | 524 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 525 | } |
d2e271b2 | 526 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 527 | cdr.Result[0] = cdr.StatP; |
528 | cdr.Result[1] = cdr.subq.Track; | |
529 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 530 | |
531 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
532 | ||
533 | /* 8 is a hack. For accuracy, it should be 588. */ | |
534 | for (i = 0; i < 8; i++) | |
535 | { | |
536 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
537 | } | |
538 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
539 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 540 | |
fffad32e | 541 | if (cdr.subq.Absolute[2] & 0x10) { |
542 | cdr.Result[3] = cdr.subq.Relative[0]; | |
543 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
544 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 545 | } |
fffad32e | 546 | else { |
547 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
548 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
549 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
550 | } | |
551 | ||
66425c25 | 552 | cdr.Result[6] = abs_lev_max >> 0; |
553 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 554 | |
555 | // Rayman: Logo freeze (resultready + dataready) | |
556 | cdr.ResultReady = 1; | |
557 | cdr.Stat = DataReady; | |
558 | ||
559 | SetResultSize(8); | |
e7acd858 | 560 | setIrq(0x201); |
7f457614 | 561 | } |
562 | } | |
563 | ||
05e5c298 | 564 | static int cdrSeekTime(unsigned char *target) |
565 | { | |
566 | int seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(target)) * (cdReadTime / 200); | |
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 | ||
39df67df | 587 | // also handles seek |
7f457614 | 588 | void cdrPlayInterrupt() |
589 | { | |
05e5c298 | 590 | if (cdr.StatP & STATUS_SEEK) { |
e7e33ef2 | 591 | if (cdr.Stat) { |
8b380e97 | 592 | CDR_LOG_I("cdrom: seek stat hack\n"); |
05e5c298 | 593 | CDRSEEKPLAY_INT(0x1000); |
e7e33ef2 | 594 | return; |
595 | } | |
39df67df | 596 | SetResultSize(1); |
597 | cdr.StatP |= STATUS_ROTATING; | |
05e5c298 | 598 | SetPlaySeekRead(cdr.StatP, cdr.Play ? STATUS_PLAY : 0); |
39df67df | 599 | cdr.Result[0] = cdr.StatP; |
a34a2445 | 600 | if (cdr.Irq == 0) { |
39df67df | 601 | cdr.Stat = Complete; |
e7acd858 | 602 | setIrq(0x202); |
39df67df | 603 | } |
604 | ||
fffad32e | 605 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 606 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 607 | cdr.TrackChanged = FALSE; |
39df67df | 608 | } |
609 | ||
610 | if (!cdr.Play) return; | |
7f457614 | 611 | |
7f457614 | 612 | CDR_LOG( "CDDA - %d:%d:%d\n", |
613 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 614 | |
fffad32e | 615 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
616 | StopCdda(); | |
05e5c298 | 617 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 618 | cdr.TrackChanged = TRUE; |
619 | } | |
084b0f31 | 620 | else { |
621 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
622 | } | |
7f457614 | 623 | |
892bd7d4 | 624 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 625 | cdrPlayInterrupt_Autopause(); |
626 | ||
084b0f31 | 627 | if (CDR_readCDDA && !cdr.Muted && !Config.Cdda) { |
66425c25 | 628 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
629 | if (SPU_playCDDAchannel) | |
630 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW); | |
631 | } | |
fffad32e | 632 | |
7f457614 | 633 | cdr.SetSectorPlay[2]++; |
634 | if (cdr.SetSectorPlay[2] == 75) { | |
635 | cdr.SetSectorPlay[2] = 0; | |
636 | cdr.SetSectorPlay[1]++; | |
637 | if (cdr.SetSectorPlay[1] == 60) { | |
638 | cdr.SetSectorPlay[1] = 0; | |
639 | cdr.SetSectorPlay[0]++; | |
640 | } | |
641 | } | |
642 | ||
05e5c298 | 643 | CDRSEEKPLAY_INT(cdReadTime); |
fffad32e | 644 | |
645 | // update for CdlGetlocP/autopause | |
73b29eeb | 646 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 647 | } |
648 | ||
ef79bbde | 649 | void cdrInterrupt() { |
e4268a49 | 650 | u16 Irq = cdr.Irq; |
651 | int no_busy_error = 0; | |
652 | int start_rotating = 0; | |
653 | int error = 0; | |
654 | int delay; | |
fbf19ce6 | 655 | unsigned int seekTime = 0; |
115d0459 | 656 | u8 set_loc[3]; |
657 | int i; | |
ef79bbde | 658 | |
9f8b032d | 659 | // Reschedule IRQ |
ef79bbde | 660 | if (cdr.Stat) { |
8b380e97 | 661 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 662 | CDR_INT(0x1000); |
ef79bbde P |
663 | return; |
664 | } | |
665 | ||
ef79bbde P |
666 | cdr.Ctrl &= ~0x80; |
667 | ||
e4268a49 | 668 | // default response |
669 | SetResultSize(1); | |
670 | cdr.Result[0] = cdr.StatP; | |
671 | cdr.Stat = Acknowledge; | |
672 | ||
673 | if (cdr.IrqRepeated) { | |
674 | cdr.IrqRepeated = 0; | |
675 | if (cdr.eCycle > psxRegs.cycle) { | |
676 | CDR_INT(cdr.eCycle); | |
677 | goto finish; | |
678 | } | |
679 | } | |
680 | ||
681 | cdr.Irq = 0; | |
682 | ||
ef79bbde | 683 | switch (Irq) { |
ef79bbde | 684 | case CdlNop: |
80f91a20 | 685 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
686 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 687 | no_busy_error = 1; |
ef79bbde P |
688 | break; |
689 | ||
690 | case CdlSetloc: | |
115d0459 | 691 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
692 | ||
693 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
694 | 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)) | |
695 | { | |
696 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
697 | error = ERROR_INVALIDARG; | |
698 | goto set_error; | |
699 | } | |
700 | else | |
701 | { | |
702 | for (i = 0; i < 3; i++) | |
115d0459 | 703 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 704 | memcpy(cdr.SetSector, set_loc, 3); |
705 | cdr.SetSector[3] = 0; | |
706 | cdr.SetlocPending = 1; | |
707 | } | |
ef79bbde P |
708 | break; |
709 | ||
55b8460a | 710 | do_CdlPlay: |
ef79bbde | 711 | case CdlPlay: |
030bd76a | 712 | StopCdda(); |
05e5c298 | 713 | StopReading(); |
714 | ||
d2e271b2 | 715 | cdr.FastBackward = 0; |
716 | cdr.FastForward = 0; | |
717 | ||
2d5ca6c0 | 718 | // BIOS CD Player |
719 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
720 | ||
05e5c298 | 721 | if (cdr.ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 722 | int track = btoi( cdr.Param[0] ); |
723 | ||
724 | if (track <= cdr.ResultTN[1]) | |
725 | cdr.CurTrack = track; | |
726 | ||
727 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
728 | ||
729 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 730 | for (i = 0; i < 3; i++) |
731 | set_loc[i] = cdr.ResultTD[2 - i]; | |
732 | seekTime = cdrSeekTime(set_loc); | |
733 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 734 | } |
735 | } | |
05e5c298 | 736 | else if (cdr.SetlocPending) { |
737 | seekTime = cdrSeekTime(cdr.SetSector); | |
738 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
739 | } | |
740 | else { | |
741 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
742 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
743 | } | |
744 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 745 | |
9f8b032d | 746 | /* |
747 | Rayman: detect track changes | |
748 | - fixes logo freeze | |
749 | ||
750 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
751 | - plays tracks without retry play | |
752 | ||
753 | Wild 9: skip PREGAP + starting accurate SubQ | |
754 | - plays tracks without retry play | |
755 | */ | |
fffad32e | 756 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 757 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 758 | cdr.TrackChanged = FALSE; |
9f8b032d | 759 | |
2d5ca6c0 | 760 | if (!Config.Cdda) |
2e88c317 | 761 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 762 | |
05e5c298 | 763 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 764 | |
765 | // BIOS player - set flag again | |
766 | cdr.Play = TRUE; | |
767 | ||
05e5c298 | 768 | CDRSEEKPLAY_INT(cdReadTime + seekTime); |
e4268a49 | 769 | start_rotating = 1; |
ef79bbde P |
770 | break; |
771 | ||
9f8b032d | 772 | case CdlForward: |
e4268a49 | 773 | // TODO: error 80 if stopped |
9f8b032d | 774 | cdr.Stat = Complete; |
2e88c317 | 775 | |
9f8b032d | 776 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 777 | cdr.FastForward = 1; |
9f8b032d | 778 | cdr.FastBackward = 0; |
ef79bbde P |
779 | break; |
780 | ||
9f8b032d | 781 | case CdlBackward: |
9f8b032d | 782 | cdr.Stat = Complete; |
783 | ||
9f8b032d | 784 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 785 | cdr.FastBackward = 1; |
9f8b032d | 786 | cdr.FastForward = 0; |
ef79bbde P |
787 | break; |
788 | ||
9f8b032d | 789 | case CdlStandby: |
e4268a49 | 790 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
791 | error = ERROR_INVALIDARG; | |
792 | goto set_error; | |
793 | } | |
794 | AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2); | |
795 | start_rotating = 1; | |
796 | break; | |
797 | ||
798 | case CdlStandby + 0x100: | |
ef79bbde P |
799 | cdr.Stat = Complete; |
800 | break; | |
801 | ||
802 | case CdlStop: | |
030bd76a | 803 | if (cdr.Play) { |
804 | // grab time for current track | |
805 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
806 | ||
807 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
808 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
809 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
810 | } | |
811 | ||
812 | StopCdda(); | |
813 | StopReading(); | |
05e5c298 | 814 | SetPlaySeekRead(cdr.StatP, 0); |
815 | cdr.StatP &= ~STATUS_ROTATING; | |
030bd76a | 816 | |
e4268a49 | 817 | delay = 0x800; |
818 | if (cdr.DriveState == DRIVESTATE_STANDBY) | |
819 | delay = cdReadTime * 30 / 2; | |
820 | ||
821 | cdr.DriveState = DRIVESTATE_STOPPED; | |
822 | AddIrqQueue(CdlStop + 0x100, delay); | |
823 | break; | |
824 | ||
825 | case CdlStop + 0x100: | |
ef79bbde | 826 | cdr.Stat = Complete; |
ef79bbde P |
827 | break; |
828 | ||
829 | case CdlPause: | |
05e5c298 | 830 | StopCdda(); |
831 | StopReading(); | |
12228917 | 832 | /* |
833 | Gundam Battle Assault 2: much slower (*) | |
834 | - Fixes boot, gameplay | |
2e88c317 | 835 | |
12228917 | 836 | Hokuto no Ken 2: slower |
837 | - Fixes intro + subtitles | |
2e88c317 | 838 | |
12228917 | 839 | InuYasha - Feudal Fairy Tale: slower |
840 | - Fixes battles | |
841 | */ | |
62018a94 | 842 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
843 | * The timings from Duckstation are based upon hardware tests. | |
844 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
845 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 846 | * */ |
05e5c298 | 847 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 848 | { |
849 | delay = 7000; | |
850 | } | |
851 | else | |
852 | { | |
853 | delay = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * (1000000)); | |
62018a94 | 854 | } |
855 | AddIrqQueue(CdlPause + 0x100, delay); | |
05e5c298 | 856 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
857 | cdr.Ctrl |= 0x80; |
858 | break; | |
859 | ||
e4268a49 | 860 | case CdlPause + 0x100: |
9f8b032d | 861 | cdr.Stat = Complete; |
ef79bbde P |
862 | break; |
863 | ||
8399ca33 | 864 | case CdlReset: |
05e5c298 | 865 | StopCdda(); |
866 | StopReading(); | |
867 | SetPlaySeekRead(cdr.StatP, 0); | |
8399ca33 | 868 | cdr.Muted = FALSE; |
2e88c317 | 869 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ |
8399ca33 | 870 | AddIrqQueue(CdlReset + 0x100, 4100000); |
e4268a49 | 871 | no_busy_error = 1; |
872 | start_rotating = 1; | |
873 | break; | |
874 | ||
8399ca33 | 875 | case CdlReset + 0x100: |
9f8b032d | 876 | cdr.Stat = Complete; |
ef79bbde P |
877 | break; |
878 | ||
9f8b032d | 879 | case CdlMute: |
030bd76a | 880 | cdr.Muted = TRUE; |
ef79bbde P |
881 | break; |
882 | ||
9f8b032d | 883 | case CdlDemute: |
030bd76a | 884 | cdr.Muted = FALSE; |
ef79bbde P |
885 | break; |
886 | ||
9f8b032d | 887 | case CdlSetfilter: |
030bd76a | 888 | cdr.File = cdr.Param[0]; |
889 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 890 | break; |
ef79bbde P |
891 | |
892 | case CdlSetmode: | |
e4268a49 | 893 | no_busy_error = 1; |
9f8b032d | 894 | break; |
ef79bbde | 895 | |
95465b97 | 896 | case CdlGetparam: |
2e88c317 | 897 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 898 | SetResultSize(5); |
9f8b032d | 899 | cdr.Result[1] = cdr.Mode; |
95465b97 | 900 | cdr.Result[2] = 0; |
901 | cdr.Result[3] = cdr.File; | |
902 | cdr.Result[4] = cdr.Channel; | |
e4268a49 | 903 | no_busy_error = 1; |
9f8b032d | 904 | break; |
ef79bbde | 905 | |
9f8b032d | 906 | case CdlGetlocL: |
ef79bbde | 907 | SetResultSize(8); |
e4268a49 | 908 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 909 | break; |
ef79bbde P |
910 | |
911 | case CdlGetlocP: | |
fffad32e | 912 | SetResultSize(8); |
913 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 914 | break; |
892bd7d4 | 915 | |
e4268a49 | 916 | case CdlReadT: // SetSession? |
917 | // really long | |
918 | AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4); | |
919 | start_rotating = 1; | |
920 | break; | |
921 | ||
922 | case CdlReadT + 0x100: | |
923 | cdr.Stat = Complete; | |
ef79bbde P |
924 | break; |
925 | ||
9f8b032d | 926 | case CdlGetTN: |
ef79bbde | 927 | SetResultSize(3); |
9f8b032d | 928 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 929 | cdr.Stat = DiskError; |
9f8b032d | 930 | cdr.Result[0] |= STATUS_ERROR; |
931 | } else { | |
932 | cdr.Stat = Acknowledge; | |
933 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
934 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
935 | } | |
936 | break; | |
ef79bbde | 937 | |
9f8b032d | 938 | case CdlGetTD: |
ef79bbde P |
939 | cdr.Track = btoi(cdr.Param[0]); |
940 | SetResultSize(4); | |
ef79bbde P |
941 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
942 | cdr.Stat = DiskError; | |
9f8b032d | 943 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
944 | } else { |
945 | cdr.Stat = Acknowledge; | |
946 | cdr.Result[0] = cdr.StatP; | |
947 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
948 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 949 | /* According to Nocash's documentation, the function doesn't care about ff. |
950 | * This can be seen also in Mednafen's implementation. */ | |
951 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
952 | } |
953 | break; | |
954 | ||
9f8b032d | 955 | case CdlSeekL: |
39df67df | 956 | case CdlSeekP: |
030bd76a | 957 | StopCdda(); |
958 | StopReading(); | |
05e5c298 | 959 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
9f8b032d | 960 | |
05e5c298 | 961 | seekTime = cdrSeekTime(cdr.SetSector); |
962 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 963 | /* |
964 | Crusaders of Might and Magic = 0.5x-4x | |
965 | - fix cutscene speech start | |
966 | ||
967 | Eggs of Steel = 2x-? | |
968 | - fix new game | |
969 | ||
970 | Medievil = ?-4x | |
971 | - fix cutscene speech | |
972 | ||
973 | Rockman X5 = 0.5-4x | |
974 | - fix capcom logo | |
975 | */ | |
05e5c298 | 976 | CDRSEEKPLAY_INT(cdReadTime + seekTime); |
e4268a49 | 977 | start_rotating = 1; |
ef79bbde P |
978 | break; |
979 | ||
980 | case CdlTest: | |
9f8b032d | 981 | switch (cdr.Param[0]) { |
982 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
983 | SetResultSize(4); |
984 | memcpy(cdr.Result, Test20, 4); | |
985 | break; | |
986 | case 0x22: | |
987 | SetResultSize(8); | |
988 | memcpy(cdr.Result, Test22, 4); | |
989 | break; | |
990 | case 0x23: case 0x24: | |
991 | SetResultSize(8); | |
992 | memcpy(cdr.Result, Test23, 4); | |
993 | break; | |
9f8b032d | 994 | } |
e4268a49 | 995 | no_busy_error = 1; |
ef79bbde P |
996 | break; |
997 | ||
9f8b032d | 998 | case CdlID: |
e4268a49 | 999 | AddIrqQueue(CdlID + 0x100, 20480); |
ef79bbde P |
1000 | break; |
1001 | ||
e4268a49 | 1002 | case CdlID + 0x100: |
ef79bbde | 1003 | SetResultSize(8); |
89ec56af | 1004 | cdr.Result[0] = cdr.StatP; |
1005 | cdr.Result[1] = 0; | |
1006 | cdr.Result[2] = 0; | |
1007 | cdr.Result[3] = 0; | |
9f8b032d | 1008 | |
d8432250 | 1009 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1010 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1011 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1012 | } |
1013 | else { | |
89ec56af | 1014 | if (stat.Type == 2) |
1015 | cdr.Result[1] |= 0x10; | |
1016 | if (CdromId[0] == '\0') | |
9f8b032d | 1017 | cdr.Result[1] |= 0x80; |
9f8b032d | 1018 | } |
89ec56af | 1019 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1020 | |
3e42b115 | 1021 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1022 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1023 | cdr.Stat = Complete; |
1024 | break; | |
1025 | ||
8399ca33 | 1026 | case CdlInit: |
05e5c298 | 1027 | StopCdda(); |
1028 | StopReading(); | |
1029 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1030 | // yes, it really sets STATUS_SHELLOPEN |
1031 | cdr.StatP |= STATUS_SHELLOPEN; | |
1032 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1033 | CDRLID_INT(20480); | |
1034 | no_busy_error = 1; | |
1035 | start_rotating = 1; | |
9f8b032d | 1036 | break; |
1037 | ||
e4268a49 | 1038 | case CdlGetQ: |
e1a78bc4 | 1039 | no_busy_error = 1; |
9f8b032d | 1040 | break; |
1041 | ||
1042 | case CdlReadToc: | |
e4268a49 | 1043 | AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4); |
1044 | no_busy_error = 1; | |
1045 | start_rotating = 1; | |
ef79bbde P |
1046 | break; |
1047 | ||
e4268a49 | 1048 | case CdlReadToc + 0x100: |
9f8b032d | 1049 | cdr.Stat = Complete; |
e4268a49 | 1050 | no_busy_error = 1; |
ef79bbde P |
1051 | break; |
1052 | ||
94c118c3 | 1053 | case CdlReadN: |
1054 | case CdlReadS: | |
05e5c298 | 1055 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1056 | |
1057 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1058 | // Read* acts as play for cdda tracks in cdda mode | |
1059 | goto do_CdlPlay; | |
1060 | ||
05e5c298 | 1061 | StopCdda(); |
1062 | if (cdr.SetlocPending) { | |
1063 | seekTime = cdrSeekTime(cdr.SetSector); | |
1064 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1065 | cdr.SetlocPending = 0; | |
1066 | } | |
030bd76a | 1067 | cdr.Reading = 1; |
1068 | cdr.FirstSector = 1; | |
ef79bbde | 1069 | |
9f8b032d | 1070 | // Fighting Force 2 - update subq time immediately |
1071 | // - fixes new game | |
55b8460a | 1072 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 1073 | |
1074 | ||
1075 | // Crusaders of Might and Magic - update getlocl now | |
1076 | // - fixes cutscene speech | |
1077 | { | |
1078 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 1079 | if (buf != NULL) |
1080 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 1081 | } |
39df67df | 1082 | |
9f8b032d | 1083 | /* |
1084 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
1085 | - fixes cutscenes | |
914722b2 | 1086 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 1087 | */ |
2e88c317 | 1088 | |
d2e271b2 | 1089 | /* |
1090 | By nicolasnoble from PCSX Redux : | |
1091 | "It LOOKS like this logic is wrong, therefore disabling it with `&& false` for now. | |
1092 | For "PoPoLoCrois Monogatari II", the game logic will soft lock and will never issue GetLocP to detect | |
1093 | the end of its XA streams, as it seems to assume ReadS will not return a status byte with the SEEK | |
1094 | flag set. I think the reasonning is that since it's invalid to call GetLocP while seeking, the game | |
1095 | tries to protect itself against errors by preventing from issuing a GetLocP while it knows the | |
1096 | last status was "seek". But this makes the logic just softlock as it'll never get a notification | |
1097 | about the fact the drive is done seeking and the read actually started. | |
2e88c317 | 1098 | |
d2e271b2 | 1099 | In other words, this state machine here is probably wrong in assuming the response to ReadS/ReadN is |
1100 | done right away. It's rather when it's done seeking, and the read has actually started. This probably | |
1101 | requires a bit more work to make sure seek delays are processed properly. | |
1102 | Checked with a few games, this seems to work fine." | |
1103 | ||
1104 | Gameblabla additional notes : | |
1105 | This still needs the "+ seekTime" that PCSX Redux doesn't have for the Driver "retry" mission error. | |
1106 | */ | |
d2e271b2 | 1107 | CDREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime); |
ef79bbde | 1108 | |
05e5c298 | 1109 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1110 | start_rotating = 1; |
ef79bbde | 1111 | break; |
f96ca921 | 1112 | case CdlSync: |
ef79bbde | 1113 | default: |
e4268a49 | 1114 | CDR_LOG_I("Invalid command: %02x\n", Irq); |
1115 | error = ERROR_INVALIDCMD; | |
1116 | // FALLTHROUGH | |
1117 | ||
1118 | set_error: | |
1119 | SetResultSize(2); | |
1120 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
1121 | cdr.Result[1] = error; | |
1122 | cdr.Stat = DiskError; | |
ef79bbde P |
1123 | break; |
1124 | } | |
1125 | ||
e4268a49 | 1126 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1127 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1128 | cdr.StatP |= STATUS_ROTATING; | |
1129 | } | |
1130 | ||
1131 | if (!no_busy_error) { | |
80f91a20 | 1132 | switch (cdr.DriveState) { |
1133 | case DRIVESTATE_LID_OPEN: | |
1134 | case DRIVESTATE_RESCAN_CD: | |
1135 | case DRIVESTATE_PREPARE_CD: | |
1136 | SetResultSize(2); | |
1137 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1138 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1139 | cdr.Stat = DiskError; |
1140 | break; | |
1141 | } | |
1142 | } | |
9f8b032d | 1143 | |
e4268a49 | 1144 | finish: |
e7acd858 | 1145 | setIrq(Irq); |
e4268a49 | 1146 | cdr.ParamC = 0; |
ef79bbde P |
1147 | } |
1148 | ||
8f2bb0cb | 1149 | #ifdef HAVE_ARMV7 |
53598a71 | 1150 | #define ssat32_to_16(v) \ |
1151 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1152 | #else | |
1153 | #define ssat32_to_16(v) do { \ | |
1154 | if (v < -32768) v = -32768; \ | |
1155 | else if (v > 32767) v = 32767; \ | |
1156 | } while (0) | |
1157 | #endif | |
1158 | ||
1159 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1160 | { | |
1161 | int i, l, r; | |
1162 | int ll = cdr.AttenuatorLeftToLeft; | |
1163 | int lr = cdr.AttenuatorLeftToRight; | |
1164 | int rl = cdr.AttenuatorRightToLeft; | |
1165 | int rr = cdr.AttenuatorRightToRight; | |
1166 | ||
1167 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1168 | return; | |
1169 | ||
1170 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1171 | return; | |
1172 | ||
1173 | if (stereo) { | |
1174 | for (i = 0; i < samples; i++) { | |
1175 | l = buf[i * 2]; | |
1176 | r = buf[i * 2 + 1]; | |
1177 | l = (l * ll + r * rl) >> 7; | |
1178 | r = (r * rr + l * lr) >> 7; | |
1179 | ssat32_to_16(l); | |
1180 | ssat32_to_16(r); | |
1181 | buf[i * 2] = l; | |
1182 | buf[i * 2 + 1] = r; | |
1183 | } | |
1184 | } | |
1185 | else { | |
1186 | for (i = 0; i < samples; i++) { | |
1187 | l = buf[i]; | |
1188 | l = l * (ll + rl) >> 7; | |
1189 | //r = r * (rr + lr) >> 7; | |
1190 | ssat32_to_16(l); | |
1191 | //ssat32_to_16(r); | |
1192 | buf[i] = l; | |
1193 | } | |
1194 | } | |
1195 | } | |
1196 | ||
ef79bbde P |
1197 | void cdrReadInterrupt() { |
1198 | u8 *buf; | |
1199 | ||
1200 | if (!cdr.Reading) | |
1201 | return; | |
1202 | ||
9f8b032d | 1203 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1204 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
05e5c298 | 1205 | CDREAD_INT(2048); |
ef79bbde P |
1206 | return; |
1207 | } | |
1208 | ||
9f8b032d | 1209 | cdr.OCUP = 1; |
ef79bbde | 1210 | SetResultSize(1); |
05e5c298 | 1211 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
9f8b032d | 1212 | cdr.Result[0] = cdr.StatP; |
ef79bbde | 1213 | |
55b8460a | 1214 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1215 | |
1216 | buf = CDR_getBuffer(); | |
1217 | if (buf == NULL) | |
6087d7e7 | 1218 | cdr.NoErr = 0; |
ef79bbde | 1219 | |
2e88c317 | 1220 | if (!cdr.NoErr) { |
8b380e97 | 1221 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1222 | memset(cdr.Transfer, 0, DATA_SIZE); |
1223 | cdr.Stat = DiskError; | |
9f8b032d | 1224 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1225 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1226 | return; | |
1227 | } | |
1228 | ||
1229 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1230 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1231 | ||
ef79bbde | 1232 | |
8b380e97 | 1233 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1234 | |
9f8b032d | 1235 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1236 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1237 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1238 | cdr.File = cdr.Transfer[4 + 0]; | |
1239 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1240 | } | |
1241 | ||
0e0ad585 | 1242 | /* Gameblabla |
1243 | * Skips playing on channel 255. | |
1244 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1245 | * TODO : Check if this is the proper behaviour. | |
1246 | * */ | |
cd0c9f5b | 1247 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1248 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
0e0ad585 | 1249 | (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) { |
ef79bbde | 1250 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1251 | if (!ret) { |
53598a71 | 1252 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1253 | SPU_playADPCMchannel(&cdr.Xa); |
1254 | cdr.FirstSector = 0; | |
1255 | } | |
1256 | else cdr.FirstSector = -1; | |
1257 | } | |
1258 | } | |
1259 | ||
55b8460a | 1260 | cdr.SetSectorPlay[2]++; |
1261 | if (cdr.SetSectorPlay[2] == 75) { | |
1262 | cdr.SetSectorPlay[2] = 0; | |
1263 | cdr.SetSectorPlay[1]++; | |
1264 | if (cdr.SetSectorPlay[1] == 60) { | |
1265 | cdr.SetSectorPlay[1] = 0; | |
1266 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1267 | } |
1268 | } | |
1269 | ||
1270 | cdr.Readed = 0; | |
1271 | ||
05e5c298 | 1272 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1273 | |
1274 | /* | |
1275 | Croc 2: $40 - only FORM1 (*) | |
1276 | Judge Dredd: $C8 - only FORM1 (*) | |
1277 | Sim Theme Park - no adpcm at all (zero) | |
1278 | */ | |
1279 | ||
a34a2445 | 1280 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1281 | cdr.Stat = DataReady; |
e7acd858 | 1282 | setIrq(0x203); |
ef79bbde | 1283 | } |
9f8b032d | 1284 | |
fffad32e | 1285 | // update for CdlGetlocP |
55b8460a | 1286 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1287 | } |
1288 | ||
1289 | /* | |
1290 | cdrRead0: | |
94c118c3 | 1291 | bit 0,1 - mode |
ef79bbde P |
1292 | bit 2 - unknown |
1293 | bit 3 - unknown | |
1294 | bit 4 - unknown | |
1295 | bit 5 - 1 result ready | |
1296 | bit 6 - 1 dma ready | |
1297 | bit 7 - 1 command being processed | |
1298 | */ | |
1299 | ||
1300 | unsigned char cdrRead0(void) { | |
1301 | if (cdr.ResultReady) | |
1302 | cdr.Ctrl |= 0x20; | |
1303 | else | |
1304 | cdr.Ctrl &= ~0x20; | |
1305 | ||
1306 | if (cdr.OCUP) | |
1307 | cdr.Ctrl |= 0x40; | |
7e3ce9af | 1308 | // else |
1309 | // cdr.Ctrl &= ~0x40; | |
ef79bbde P |
1310 | |
1311 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1312 | cdr.Ctrl |= 0x18; | |
1313 | ||
e7acd858 | 1314 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1315 | |
1316 | return psxHu8(0x1800) = cdr.Ctrl; | |
1317 | } | |
1318 | ||
ef79bbde | 1319 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1320 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1321 | |
50b13be9 | 1322 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1323 | } |
1324 | ||
1325 | unsigned char cdrRead1(void) { | |
94c118c3 | 1326 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1327 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1328 | else |
ef79bbde | 1329 | psxHu8(0x1801) = 0; |
94c118c3 | 1330 | cdr.ResultP++; |
1331 | if (cdr.ResultP == cdr.ResultC) | |
1332 | cdr.ResultReady = 0; | |
1333 | ||
e7acd858 | 1334 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1335 | |
ef79bbde P |
1336 | return psxHu8(0x1801); |
1337 | } | |
1338 | ||
1339 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1340 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1341 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1342 | |
94c118c3 | 1343 | switch (cdr.Ctrl & 3) { |
1344 | case 0: | |
1345 | break; | |
1346 | case 3: | |
53598a71 | 1347 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1348 | return; |
1349 | default: | |
1350 | return; | |
9f8b032d | 1351 | } |
1352 | ||
9f8b032d | 1353 | cdr.Cmd = rt; |
ef79bbde P |
1354 | cdr.OCUP = 0; |
1355 | ||
8b380e97 | 1356 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1357 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1358 | if (cdr.ParamC) { |
e7acd858 | 1359 | int i; |
ef79bbde P |
1360 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1361 | for (i = 0; i < cdr.ParamC; i++) | |
1362 | SysPrintf(" %x,", cdr.Param[i]); | |
1363 | SysPrintf("}\n"); | |
1364 | } else { | |
1365 | SysPrintf("\n"); | |
1366 | } | |
1367 | #endif | |
1368 | ||
2daaaae3 | 1369 | cdr.ResultReady = 0; |
94c118c3 | 1370 | cdr.Ctrl |= 0x80; |
1371 | // cdr.Stat = NoIntr; | |
1372 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1373 | |
9f8b032d | 1374 | switch (cdr.Cmd) { |
ef79bbde | 1375 | case CdlSetmode: |
9f8b032d | 1376 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1377 | |
ef79bbde | 1378 | cdr.Mode = cdr.Param[0]; |
ef79bbde | 1379 | break; |
9f8b032d | 1380 | } |
ef79bbde P |
1381 | } |
1382 | ||
1383 | unsigned char cdrRead2(void) { | |
1384 | unsigned char ret; | |
1385 | ||
1386 | if (cdr.Readed == 0) { | |
1387 | ret = 0; | |
1388 | } else { | |
8e1040b6 | 1389 | ret = *pTransfer++; |
ef79bbde P |
1390 | } |
1391 | ||
e7acd858 | 1392 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1393 | return ret; |
1394 | } | |
1395 | ||
1396 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1397 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1398 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1399 | |
94c118c3 | 1400 | switch (cdr.Ctrl & 3) { |
1401 | case 0: | |
1402 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1403 | cdr.Param[cdr.ParamC++] = rt; | |
1404 | return; | |
1405 | case 1: | |
1406 | cdr.Reg2 = rt; | |
e7acd858 | 1407 | setIrq(0x204); |
94c118c3 | 1408 | return; |
1409 | case 2: | |
53598a71 | 1410 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1411 | return; |
1412 | case 3: | |
53598a71 | 1413 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1414 | return; |
ef79bbde P |
1415 | } |
1416 | } | |
1417 | ||
1418 | unsigned char cdrRead3(void) { | |
94c118c3 | 1419 | if (cdr.Ctrl & 0x1) |
1420 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1421 | else | |
1422 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1423 | |
e7acd858 | 1424 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1425 | return psxHu8(0x1803); |
1426 | } | |
1427 | ||
1428 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1429 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1430 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1431 | |
94c118c3 | 1432 | switch (cdr.Ctrl & 3) { |
1433 | case 0: | |
a34a2445 | 1434 | break; // transfer |
94c118c3 | 1435 | case 1: |
a34a2445 | 1436 | cdr.Stat &= ~rt; |
1437 | ||
1438 | if (rt & 0x40) | |
1439 | cdr.ParamC = 0; | |
1440 | return; | |
94c118c3 | 1441 | case 2: |
53598a71 | 1442 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1443 | return; |
1444 | case 3: | |
53598a71 | 1445 | if (rt & 0x20) { |
1446 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1447 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1448 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1449 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1450 | } | |
94c118c3 | 1451 | return; |
9f8b032d | 1452 | } |
056d6759 | 1453 | |
94c118c3 | 1454 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1455 | cdr.Readed = 1; |
8e1040b6 | 1456 | pTransfer = cdr.Transfer; |
ef79bbde P |
1457 | |
1458 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1459 | case MODE_SIZE_2328: |
ef79bbde | 1460 | case 0x00: |
8e1040b6 | 1461 | pTransfer += 12; |
ef79bbde | 1462 | break; |
9f8b032d | 1463 | |
1464 | case MODE_SIZE_2340: | |
8e1040b6 | 1465 | pTransfer += 0; |
9f8b032d | 1466 | break; |
1467 | ||
ef79bbde P |
1468 | default: |
1469 | break; | |
1470 | } | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1475 | u32 cdsize; | |
c7071c43 | 1476 | int size; |
ef79bbde P |
1477 | u8 *ptr; |
1478 | ||
ef79bbde | 1479 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1480 | |
1481 | switch (chcr) { | |
1482 | case 0x11000000: | |
1483 | case 0x11400100: | |
1484 | if (cdr.Readed == 0) { | |
ef79bbde | 1485 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1486 | break; |
1487 | } | |
1488 | ||
1489 | cdsize = (bcr & 0xffff) * 4; | |
1490 | ||
9f8b032d | 1491 | // Ape Escape: bcr = 0001 / 0000 |
1492 | // - fix boot | |
1493 | if( cdsize == 0 ) | |
1494 | { | |
cd0c9f5b | 1495 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1496 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1497 | case MODE_SIZE_2328: cdsize = 2328; break; |
1498 | default: | |
1499 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1500 | } |
1501 | } | |
1502 | ||
1503 | ||
ef79bbde | 1504 | ptr = (u8 *)PSXM(madr); |
b012a437 | 1505 | if (ptr == INVALID_PTR) { |
ef79bbde | 1506 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1507 | break; |
1508 | } | |
9f8b032d | 1509 | |
1510 | /* | |
1511 | GS CDX: Enhancement CD crash | |
1512 | - Setloc 0:0:0 | |
1513 | - CdlPlay | |
1514 | - Spams DMA3 and gets buffer overrun | |
1515 | */ | |
8e1040b6 | 1516 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1517 | if (size > cdsize) |
1518 | size = cdsize; | |
1519 | if (size > 0) | |
9f8b032d | 1520 | { |
8e1040b6 | 1521 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1522 | } |
1523 | ||
ef79bbde | 1524 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1525 | pTransfer += cdsize; |
9f8b032d | 1526 | |
9f8b032d | 1527 | if( chcr == 0x11400100 ) { |
58ebb94c | 1528 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
9f8b032d | 1529 | CDRDMA_INT( (cdsize/4) / 4 ); |
1530 | } | |
1531 | else if( chcr == 0x11000000 ) { | |
fc4803bd | 1532 | // CDRDMA_INT( (cdsize/4) * 1 ); |
1533 | // halted | |
1534 | psxRegs.cycle += (cdsize/4) * 24/2; | |
1535 | CDRDMA_INT(16); | |
9f8b032d | 1536 | } |
1537 | return; | |
1538 | ||
ef79bbde | 1539 | default: |
ef79bbde | 1540 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1541 | break; |
1542 | } | |
1543 | ||
1544 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1545 | DMA_INTERRUPT(3); | |
1546 | } | |
1547 | ||
9f8b032d | 1548 | void cdrDmaInterrupt() |
1549 | { | |
ad418c19 | 1550 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1551 | { | |
1552 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1553 | DMA_INTERRUPT(3); | |
1554 | } | |
9f8b032d | 1555 | } |
1556 | ||
fffad32e | 1557 | static void getCdInfo(void) |
1558 | { | |
1559 | u8 tmp; | |
1560 | ||
1561 | CDR_getTN(cdr.ResultTN); | |
1562 | CDR_getTD(0, cdr.SetSectorEnd); | |
1563 | tmp = cdr.SetSectorEnd[0]; | |
1564 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1565 | cdr.SetSectorEnd[2] = tmp; | |
1566 | } | |
1567 | ||
ef79bbde P |
1568 | void cdrReset() { |
1569 | memset(&cdr, 0, sizeof(cdr)); | |
1570 | cdr.CurTrack = 1; | |
1571 | cdr.File = 1; | |
1572 | cdr.Channel = 1; | |
a2d3ccb8 | 1573 | cdr.Reg2 = 0x1f; |
1574 | cdr.Stat = NoIntr; | |
80f91a20 | 1575 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1576 | cdr.StatP = STATUS_ROTATING; |
8e1040b6 | 1577 | pTransfer = cdr.Transfer; |
2e88c317 | 1578 | |
056d6759 | 1579 | // BIOS player - default values |
53598a71 | 1580 | cdr.AttenuatorLeftToLeft = 0x80; |
1581 | cdr.AttenuatorLeftToRight = 0x00; | |
1582 | cdr.AttenuatorRightToLeft = 0x00; | |
1583 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1584 | |
1585 | getCdInfo(); | |
ef79bbde P |
1586 | } |
1587 | ||
496d88d4 | 1588 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1589 | u32 tmp; |
fffad32e | 1590 | u8 tmpp[3]; |
ef79bbde | 1591 | |
fffad32e | 1592 | if (Mode == 0 && !Config.Cdda) |
1593 | CDR_stop(); | |
9f8b032d | 1594 | |
55b8460a | 1595 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1596 | gzfreeze(&cdr, sizeof(cdr)); |
1597 | ||
94c118c3 | 1598 | if (Mode == 1) { |
1599 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1600 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1601 | } |
ef79bbde P |
1602 | |
1603 | gzfreeze(&tmp, sizeof(tmp)); | |
1604 | ||
42f3c512 | 1605 | if (Mode == 0) { |
fffad32e | 1606 | getCdInfo(); |
1607 | ||
8e1040b6 | 1608 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1609 | |
fffad32e | 1610 | // read right sub data |
0204c39a DS |
1611 | tmpp[0] = btoi(cdr.Prev[0]); |
1612 | tmpp[1] = btoi(cdr.Prev[1]); | |
1613 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1614 | cdr.Prev[0]++; |
73b29eeb | 1615 | ReadTrack(tmpp); |
fffad32e | 1616 | |
1617 | if (cdr.Play) { | |
55b8460a | 1618 | if (cdr.freeze_ver < 0x63647202) |
1619 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1620 | ||
fffad32e | 1621 | Find_CurTrack(cdr.SetSectorPlay); |
1622 | if (!Config.Cdda) | |
2e88c317 | 1623 | CDR_play(cdr.SetSectorPlay); |
fffad32e | 1624 | } |
c69642c8 | 1625 | |
1626 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1627 | // old versions did not latch Reg2, have to fixup.. | |
1628 | if (cdr.Reg2 == 0) { | |
1629 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1630 | cdr.Reg2 = 7; | |
1631 | } | |
0f2dee0f | 1632 | // also did not save Attenuator.. |
1633 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1634 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1635 | { | |
1636 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1637 | } | |
c69642c8 | 1638 | } |
42f3c512 | 1639 | } |
1640 | ||
ef79bbde P |
1641 | return 0; |
1642 | } | |
9f8b032d | 1643 | |
1644 | void LidInterrupt() { | |
fffad32e | 1645 | getCdInfo(); |
80f91a20 | 1646 | cdrLidSeekInterrupt(); |
9f8b032d | 1647 | } |