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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 | ||
ef79bbde | 47 | cdrStruct cdr; |
8e1040b6 | 48 | static unsigned char *pTransfer; |
ef79bbde P |
49 | |
50 | /* CD-ROM magic numbers */ | |
1f035e27 | 51 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
52 | #define CdlNop 1 |
53 | #define CdlSetloc 2 | |
54 | #define CdlPlay 3 | |
55 | #define CdlForward 4 | |
56 | #define CdlBackward 5 | |
57 | #define CdlReadN 6 | |
58 | #define CdlStandby 7 | |
59 | #define CdlStop 8 | |
60 | #define CdlPause 9 | |
b0bd140d | 61 | #define CdlReset 10 |
ef79bbde P |
62 | #define CdlMute 11 |
63 | #define CdlDemute 12 | |
64 | #define CdlSetfilter 13 | |
65 | #define CdlSetmode 14 | |
dcd72441 | 66 | #define CdlGetparam 15 |
ef79bbde P |
67 | #define CdlGetlocL 16 |
68 | #define CdlGetlocP 17 | |
69 | #define CdlReadT 18 | |
70 | #define CdlGetTN 19 | |
71 | #define CdlGetTD 20 | |
72 | #define CdlSeekL 21 | |
73 | #define CdlSeekP 22 | |
74 | #define CdlSetclock 23 | |
75 | #define CdlGetclock 24 | |
76 | #define CdlTest 25 | |
77 | #define CdlID 26 | |
78 | #define CdlReadS 27 | |
b0bd140d | 79 | #define CdlInit 28 |
e4268a49 | 80 | #define CdlGetQ 29 |
ef79bbde P |
81 | #define CdlReadToc 30 |
82 | ||
ef79bbde P |
83 | char *CmdName[0x100]= { |
84 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", | |
85 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
b0bd140d | 86 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 87 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
88 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
89 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
90 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 91 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde P |
92 | }; |
93 | ||
94 | unsigned char Test04[] = { 0 }; | |
95 | unsigned char Test05[] = { 0 }; | |
96 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
97 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
98 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
99 | ||
9f8b032d | 100 | // cdr.Stat: |
101 | #define NoIntr 0 | |
102 | #define DataReady 1 | |
103 | #define Complete 2 | |
104 | #define Acknowledge 3 | |
105 | #define DataEnd 4 | |
106 | #define DiskError 5 | |
107 | ||
108 | /* Modes flags */ | |
109 | #define MODE_SPEED (1<<7) // 0x80 | |
110 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
111 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
112 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 113 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 114 | #define MODE_SF (1<<3) // 0x08 channel on/off |
115 | #define MODE_REPORT (1<<2) // 0x04 | |
116 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
117 | #define MODE_CDDA (1<<0) // 0x01 | |
118 | ||
119 | /* Status flags */ | |
120 | #define STATUS_PLAY (1<<7) // 0x80 | |
121 | #define STATUS_SEEK (1<<6) // 0x40 | |
122 | #define STATUS_READ (1<<5) // 0x20 | |
123 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
124 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
125 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
126 | #define STATUS_ROTATING (1<<1) // 0x02 | |
127 | #define STATUS_ERROR (1<<0) // 0x01 | |
128 | ||
e4268a49 | 129 | /* Errors */ |
003cfc63 | 130 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 131 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
132 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 133 | |
ef79bbde P |
134 | // 1x = 75 sectors per second |
135 | // PSXCLK = 1 sec in the ps | |
136 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
137 | #define cdReadTime (PSXCLK / 75) | |
138 | ||
80f91a20 | 139 | enum drive_state { |
140 | DRIVESTATE_STANDBY = 0, | |
141 | DRIVESTATE_LID_OPEN, | |
142 | DRIVESTATE_RESCAN_CD, | |
143 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 144 | DRIVESTATE_STOPPED, |
80f91a20 | 145 | }; |
146 | ||
39df67df | 147 | // for cdr.Seeked |
148 | enum seeked_state { | |
149 | SEEK_PENDING = 0, | |
150 | SEEK_DONE = 1, | |
39df67df | 151 | }; |
152 | ||
ef79bbde | 153 | static struct CdrStat stat; |
ef79bbde | 154 | |
fffad32e | 155 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 156 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
157 | } | |
158 | ||
fffad32e | 159 | // for that weird psemu API.. |
160 | static unsigned int fsm2sec(const u8 *msf) { | |
161 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
162 | } | |
163 | ||
305c8c93 | 164 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 165 | msf[0] = s / 75 / 60; |
166 | s = s - msf[0] * 75 * 60; | |
167 | msf[1] = s / 75; | |
168 | s = s - msf[1] * 75; | |
169 | msf[2] = s; | |
170 | } | |
171 | ||
39df67df | 172 | // cdrInterrupt |
ef79bbde | 173 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 174 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
175 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
176 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
177 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 178 | } |
ef79bbde | 179 | |
39df67df | 180 | // cdrReadInterrupt |
ef79bbde | 181 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 182 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
183 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
184 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
185 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 186 | } |
ef79bbde | 187 | |
39df67df | 188 | // cdrLidSeekInterrupt |
9f8b032d | 189 | #define CDRLID_INT(eCycle) { \ |
190 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
191 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
192 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
193 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
194 | } | |
195 | ||
39df67df | 196 | // cdrPlayInterrupt |
197 | #define CDRMISC_INT(eCycle) { \ | |
7f457614 | 198 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
199 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
200 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
201 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
202 | } | |
203 | ||
ef79bbde P |
204 | #define StopReading() { \ |
205 | if (cdr.Reading) { \ | |
206 | cdr.Reading = 0; \ | |
d28b54b1 | 207 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
ef79bbde | 208 | } \ |
9ffe8d5c | 209 | cdr.StatP &= ~(STATUS_READ|STATUS_SEEK);\ |
ef79bbde P |
210 | } |
211 | ||
212 | #define StopCdda() { \ | |
213 | if (cdr.Play) { \ | |
214 | if (!Config.Cdda) CDR_stop(); \ | |
9f8b032d | 215 | cdr.StatP &= ~STATUS_PLAY; \ |
ef79bbde | 216 | cdr.Play = FALSE; \ |
9f8b032d | 217 | cdr.FastForward = 0; \ |
218 | cdr.FastBackward = 0; \ | |
219 | /*SPU_registerCallback( SPUirq );*/ \ | |
ef79bbde P |
220 | } \ |
221 | } | |
222 | ||
223 | #define SetResultSize(size) { \ | |
94c118c3 | 224 | cdr.ResultP = 0; \ |
ef79bbde P |
225 | cdr.ResultC = size; \ |
226 | cdr.ResultReady = 1; \ | |
227 | } | |
228 | ||
94c118c3 | 229 | static void setIrq(void) |
230 | { | |
231 | if (cdr.Stat & cdr.Reg2) | |
232 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
233 | } | |
9f8b032d | 234 | |
80f91a20 | 235 | // timing used in this function was taken from tests on real hardware |
236 | // (yes it's slow, but you probably don't want to modify it) | |
9f8b032d | 237 | void cdrLidSeekInterrupt() |
238 | { | |
80f91a20 | 239 | switch (cdr.DriveState) { |
240 | default: | |
241 | case DRIVESTATE_STANDBY: | |
9f8b032d | 242 | cdr.StatP &= ~STATUS_SEEK; |
243 | ||
80f91a20 | 244 | if (CDR_getStatus(&stat) == -1) |
245 | return; | |
9f8b032d | 246 | |
80f91a20 | 247 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 248 | { |
80f91a20 | 249 | StopCdda(); |
250 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
251 | CDRLID_INT(0x800); | |
252 | } | |
253 | break; | |
9f8b032d | 254 | |
80f91a20 | 255 | case DRIVESTATE_LID_OPEN: |
256 | if (CDR_getStatus(&stat) == -1) | |
257 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 258 | |
80f91a20 | 259 | // 02, 12, 10 |
260 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
261 | StopReading(); | |
262 | cdr.StatP |= STATUS_SHELLOPEN; | |
9f8b032d | 263 | |
80f91a20 | 264 | // could generate error irq here, but real hardware |
265 | // only sometimes does that | |
266 | // (not done when lots of commands are sent?) | |
9f8b032d | 267 | |
80f91a20 | 268 | CDRLID_INT(cdReadTime * 30); |
269 | break; | |
9f8b032d | 270 | } |
80f91a20 | 271 | else if (cdr.StatP & STATUS_ROTATING) { |
272 | cdr.StatP &= ~STATUS_ROTATING; | |
273 | } | |
274 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
275 | // closed now | |
276 | CheckCdrom(); | |
9f8b032d | 277 | |
80f91a20 | 278 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
279 | // and is only cleared by CdlNop | |
9f8b032d | 280 | |
80f91a20 | 281 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
282 | CDRLID_INT(cdReadTime * 105); | |
283 | break; | |
284 | } | |
9f8b032d | 285 | |
80f91a20 | 286 | // recheck for close |
287 | CDRLID_INT(cdReadTime * 3); | |
288 | break; | |
9f8b032d | 289 | |
80f91a20 | 290 | case DRIVESTATE_RESCAN_CD: |
291 | cdr.StatP |= STATUS_ROTATING; | |
292 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 293 | |
80f91a20 | 294 | // this is very long on real hardware, over 6 seconds |
295 | // make it a bit faster here... | |
296 | CDRLID_INT(cdReadTime * 150); | |
297 | break; | |
9f8b032d | 298 | |
80f91a20 | 299 | case DRIVESTATE_PREPARE_CD: |
300 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 301 | |
80f91a20 | 302 | cdr.DriveState = DRIVESTATE_STANDBY; |
303 | CDRLID_INT(cdReadTime * 26); | |
304 | break; | |
9f8b032d | 305 | } |
306 | } | |
307 | ||
fffad32e | 308 | static void Find_CurTrack(const u8 *time) |
309 | { | |
310 | int current, sect; | |
9f8b032d | 311 | |
fffad32e | 312 | current = msf2sec(time); |
9f8b032d | 313 | |
fffad32e | 314 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
315 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
316 | sect = fsm2sec(cdr.ResultTD); | |
317 | if (sect - current >= 150) | |
9f8b032d | 318 | break; |
9f8b032d | 319 | } |
320 | } | |
321 | ||
73b29eeb | 322 | static void generate_subq(const u8 *time) |
323 | { | |
324 | unsigned char start[3], next[3]; | |
325 | unsigned int this_s, start_s, next_s, pregap; | |
326 | int relative_s; | |
327 | ||
328 | CDR_getTD(cdr.CurTrack, start); | |
329 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
330 | pregap = 150; | |
331 | CDR_getTD(cdr.CurTrack + 1, next); | |
332 | } | |
333 | else { | |
334 | // last track - cd size | |
335 | pregap = 0; | |
336 | next[0] = cdr.SetSectorEnd[2]; | |
337 | next[1] = cdr.SetSectorEnd[1]; | |
338 | next[2] = cdr.SetSectorEnd[0]; | |
339 | } | |
340 | ||
341 | this_s = msf2sec(time); | |
342 | start_s = fsm2sec(start); | |
343 | next_s = fsm2sec(next); | |
344 | ||
345 | cdr.TrackChanged = FALSE; | |
346 | ||
347 | if (next_s - this_s < pregap) { | |
348 | cdr.TrackChanged = TRUE; | |
349 | cdr.CurTrack++; | |
350 | start_s = next_s; | |
351 | } | |
352 | ||
353 | cdr.subq.Index = 1; | |
354 | ||
355 | relative_s = this_s - start_s; | |
356 | if (relative_s < 0) { | |
357 | cdr.subq.Index = 0; | |
358 | relative_s = -relative_s; | |
359 | } | |
360 | sec2msf(relative_s, cdr.subq.Relative); | |
361 | ||
362 | cdr.subq.Track = itob(cdr.CurTrack); | |
363 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
364 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
365 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
366 | cdr.subq.Absolute[0] = itob(time[0]); | |
367 | cdr.subq.Absolute[1] = itob(time[1]); | |
368 | cdr.subq.Absolute[2] = itob(time[2]); | |
369 | } | |
370 | ||
371 | static void ReadTrack(const u8 *time) { | |
fffad32e | 372 | unsigned char tmp[3]; |
373 | struct SubQ *subq; | |
374 | u16 crc; | |
ef79bbde | 375 | |
fffad32e | 376 | tmp[0] = itob(time[0]); |
377 | tmp[1] = itob(time[1]); | |
378 | tmp[2] = itob(time[2]); | |
ef79bbde | 379 | |
fffad32e | 380 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
381 | return; | |
39df67df | 382 | |
fffad32e | 383 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 384 | |
fffad32e | 385 | cdr.RErr = CDR_readTrack(tmp); |
386 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 387 | |
fffad32e | 388 | if (CheckSBI(time)) |
389 | return; | |
9f8b032d | 390 | |
fffad32e | 391 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 392 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 393 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 394 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 395 | cdr.subq.Track = subq->TrackNumber; |
396 | cdr.subq.Index = subq->IndexNumber; | |
397 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
398 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 399 | } |
92ca1ba6 | 400 | else { |
73b29eeb | 401 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 402 | tmp[0], tmp[1], tmp[2]); |
403 | } | |
9f8b032d | 404 | } |
fffad32e | 405 | else { |
73b29eeb | 406 | generate_subq(time); |
9f8b032d | 407 | } |
9f8b032d | 408 | |
fffad32e | 409 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
410 | cdr.subq.Track, cdr.subq.Index, | |
411 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
412 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
413 | } | |
9f8b032d | 414 | |
e4268a49 | 415 | static void AddIrqQueue(unsigned short irq, unsigned long ecycle) { |
416 | if (cdr.Irq != 0) { | |
417 | if (irq == cdr.Irq || irq + 0x100 == cdr.Irq) { | |
418 | cdr.IrqRepeated = 1; | |
419 | CDR_INT(ecycle); | |
420 | return; | |
421 | } | |
422 | ||
fffad32e | 423 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); |
e4268a49 | 424 | } |
9f8b032d | 425 | |
fffad32e | 426 | cdr.Irq = irq; |
427 | cdr.eCycle = ecycle; | |
9f8b032d | 428 | |
fffad32e | 429 | CDR_INT(ecycle); |
ef79bbde P |
430 | } |
431 | ||
7f457614 | 432 | static void cdrPlayInterrupt_Autopause() |
433 | { | |
fffad32e | 434 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 435 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 436 | |
437 | // Magic the Gathering | |
438 | // - looping territory cdda | |
439 | ||
440 | // ...? | |
441 | //cdr.ResultReady = 1; | |
442 | //cdr.Stat = DataReady; | |
443 | cdr.Stat = DataEnd; | |
94c118c3 | 444 | setIrq(); |
7f457614 | 445 | |
446 | StopCdda(); | |
447 | } | |
a02ee86f | 448 | else if (cdr.Mode & MODE_REPORT) { |
7f457614 | 449 | |
fffad32e | 450 | cdr.Result[0] = cdr.StatP; |
451 | cdr.Result[1] = cdr.subq.Track; | |
452 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 453 | |
fffad32e | 454 | if (cdr.subq.Absolute[2] & 0x10) { |
455 | cdr.Result[3] = cdr.subq.Relative[0]; | |
456 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
457 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 458 | } |
fffad32e | 459 | else { |
460 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
461 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
462 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
463 | } | |
464 | ||
465 | cdr.Result[6] = 0; | |
466 | cdr.Result[7] = 0; | |
7f457614 | 467 | |
468 | // Rayman: Logo freeze (resultready + dataready) | |
469 | cdr.ResultReady = 1; | |
470 | cdr.Stat = DataReady; | |
471 | ||
472 | SetResultSize(8); | |
94c118c3 | 473 | setIrq(); |
7f457614 | 474 | } |
475 | } | |
476 | ||
39df67df | 477 | // also handles seek |
7f457614 | 478 | void cdrPlayInterrupt() |
479 | { | |
892bd7d4 | 480 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 481 | if (cdr.Stat) { |
8b380e97 | 482 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 483 | CDRMISC_INT(0x1000); |
484 | return; | |
485 | } | |
39df67df | 486 | SetResultSize(1); |
487 | cdr.StatP |= STATUS_ROTATING; | |
488 | cdr.StatP &= ~STATUS_SEEK; | |
489 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 490 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 491 | if (cdr.Irq == 0) { |
39df67df | 492 | cdr.Stat = Complete; |
94c118c3 | 493 | setIrq(); |
39df67df | 494 | } |
495 | ||
55b8460a | 496 | if (cdr.SetlocPending) { |
497 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
498 | cdr.SetlocPending = 0; | |
dc0ee8d4 | 499 | cdr.m_locationChanged = TRUE; |
55b8460a | 500 | } |
fffad32e | 501 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 502 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 503 | cdr.TrackChanged = FALSE; |
39df67df | 504 | } |
505 | ||
506 | if (!cdr.Play) return; | |
7f457614 | 507 | |
7f457614 | 508 | CDR_LOG( "CDDA - %d:%d:%d\n", |
509 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 510 | |
fffad32e | 511 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
512 | StopCdda(); | |
513 | cdr.TrackChanged = TRUE; | |
514 | } | |
7f457614 | 515 | |
892bd7d4 | 516 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 517 | cdrPlayInterrupt_Autopause(); |
518 | ||
fffad32e | 519 | if (!cdr.Play) return; |
520 | ||
7f457614 | 521 | cdr.SetSectorPlay[2]++; |
522 | if (cdr.SetSectorPlay[2] == 75) { | |
523 | cdr.SetSectorPlay[2] = 0; | |
524 | cdr.SetSectorPlay[1]++; | |
525 | if (cdr.SetSectorPlay[1] == 60) { | |
526 | cdr.SetSectorPlay[1] = 0; | |
527 | cdr.SetSectorPlay[0]++; | |
528 | } | |
529 | } | |
530 | ||
dc0ee8d4 | 531 | if (cdr.m_locationChanged) |
532 | { | |
533 | CDRMISC_INT(cdReadTime * 30); | |
534 | cdr.m_locationChanged = FALSE; | |
535 | } | |
536 | else | |
537 | { | |
538 | CDRMISC_INT(cdReadTime); | |
539 | } | |
fffad32e | 540 | |
541 | // update for CdlGetlocP/autopause | |
73b29eeb | 542 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 543 | } |
544 | ||
ef79bbde | 545 | void cdrInterrupt() { |
e4268a49 | 546 | u16 Irq = cdr.Irq; |
547 | int no_busy_error = 0; | |
548 | int start_rotating = 0; | |
549 | int error = 0; | |
550 | int delay; | |
fbf19ce6 | 551 | unsigned int seekTime = 0; |
ef79bbde | 552 | |
9f8b032d | 553 | // Reschedule IRQ |
ef79bbde | 554 | if (cdr.Stat) { |
8b380e97 | 555 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 556 | CDR_INT(0x1000); |
ef79bbde P |
557 | return; |
558 | } | |
559 | ||
ef79bbde P |
560 | cdr.Ctrl &= ~0x80; |
561 | ||
e4268a49 | 562 | // default response |
563 | SetResultSize(1); | |
564 | cdr.Result[0] = cdr.StatP; | |
565 | cdr.Stat = Acknowledge; | |
566 | ||
567 | if (cdr.IrqRepeated) { | |
568 | cdr.IrqRepeated = 0; | |
569 | if (cdr.eCycle > psxRegs.cycle) { | |
570 | CDR_INT(cdr.eCycle); | |
571 | goto finish; | |
572 | } | |
573 | } | |
574 | ||
575 | cdr.Irq = 0; | |
576 | ||
ef79bbde | 577 | switch (Irq) { |
ef79bbde | 578 | case CdlNop: |
80f91a20 | 579 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
580 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 581 | no_busy_error = 1; |
ef79bbde P |
582 | break; |
583 | ||
584 | case CdlSetloc: | |
ef79bbde P |
585 | break; |
586 | ||
55b8460a | 587 | do_CdlPlay: |
ef79bbde | 588 | case CdlPlay: |
030bd76a | 589 | StopCdda(); |
39df67df | 590 | if (cdr.Seeked == SEEK_PENDING) { |
591 | // XXX: wrong, should seek instead.. | |
39df67df | 592 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 593 | } |
55b8460a | 594 | if (cdr.SetlocPending) { |
595 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
596 | cdr.SetlocPending = 0; | |
dc0ee8d4 | 597 | cdr.m_locationChanged = TRUE; |
55b8460a | 598 | } |
9f8b032d | 599 | |
2d5ca6c0 | 600 | // BIOS CD Player |
601 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
602 | ||
603 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
604 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
605 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
606 | } | |
607 | else | |
608 | { | |
609 | int track = btoi( cdr.Param[0] ); | |
610 | ||
611 | if (track <= cdr.ResultTN[1]) | |
612 | cdr.CurTrack = track; | |
613 | ||
614 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
615 | ||
616 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
617 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
618 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
619 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
620 | } | |
621 | } | |
622 | ||
9f8b032d | 623 | /* |
624 | Rayman: detect track changes | |
625 | - fixes logo freeze | |
626 | ||
627 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
628 | - plays tracks without retry play | |
629 | ||
630 | Wild 9: skip PREGAP + starting accurate SubQ | |
631 | - plays tracks without retry play | |
632 | */ | |
fffad32e | 633 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 634 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 635 | cdr.TrackChanged = FALSE; |
9f8b032d | 636 | |
2d5ca6c0 | 637 | if (!Config.Cdda) |
638 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 639 | |
640 | // Vib Ribbon: gameplay checks flag | |
641 | cdr.StatP &= ~STATUS_SEEK; | |
ef79bbde | 642 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 643 | |
644 | cdr.StatP |= STATUS_PLAY; | |
9f8b032d | 645 | |
646 | // BIOS player - set flag again | |
647 | cdr.Play = TRUE; | |
648 | ||
39df67df | 649 | CDRMISC_INT( cdReadTime ); |
e4268a49 | 650 | start_rotating = 1; |
ef79bbde P |
651 | break; |
652 | ||
9f8b032d | 653 | case CdlForward: |
e4268a49 | 654 | // TODO: error 80 if stopped |
9f8b032d | 655 | cdr.Stat = Complete; |
656 | ||
9f8b032d | 657 | // GameShark CD Player: Calls 2x + Play 2x |
658 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; | |
659 | else cdr.FastForward++; | |
660 | ||
661 | cdr.FastBackward = 0; | |
ef79bbde P |
662 | break; |
663 | ||
9f8b032d | 664 | case CdlBackward: |
9f8b032d | 665 | cdr.Stat = Complete; |
666 | ||
9f8b032d | 667 | // GameShark CD Player: Calls 2x + Play 2x |
668 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; | |
669 | else cdr.FastBackward++; | |
670 | ||
671 | cdr.FastForward = 0; | |
ef79bbde P |
672 | break; |
673 | ||
9f8b032d | 674 | case CdlStandby: |
e4268a49 | 675 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
676 | error = ERROR_INVALIDARG; | |
677 | goto set_error; | |
678 | } | |
679 | AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2); | |
680 | start_rotating = 1; | |
681 | break; | |
682 | ||
683 | case CdlStandby + 0x100: | |
ef79bbde P |
684 | cdr.Stat = Complete; |
685 | break; | |
686 | ||
687 | case CdlStop: | |
030bd76a | 688 | if (cdr.Play) { |
689 | // grab time for current track | |
690 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
691 | ||
692 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
693 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
694 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
695 | } | |
696 | ||
697 | StopCdda(); | |
698 | StopReading(); | |
699 | ||
e4268a49 | 700 | delay = 0x800; |
701 | if (cdr.DriveState == DRIVESTATE_STANDBY) | |
702 | delay = cdReadTime * 30 / 2; | |
703 | ||
704 | cdr.DriveState = DRIVESTATE_STOPPED; | |
705 | AddIrqQueue(CdlStop + 0x100, delay); | |
706 | break; | |
707 | ||
708 | case CdlStop + 0x100: | |
9f8b032d | 709 | cdr.StatP &= ~STATUS_ROTATING; |
ef79bbde P |
710 | cdr.Result[0] = cdr.StatP; |
711 | cdr.Stat = Complete; | |
ef79bbde P |
712 | break; |
713 | ||
714 | case CdlPause: | |
12228917 | 715 | /* |
716 | Gundam Battle Assault 2: much slower (*) | |
717 | - Fixes boot, gameplay | |
718 | ||
719 | Hokuto no Ken 2: slower | |
720 | - Fixes intro + subtitles | |
721 | ||
722 | InuYasha - Feudal Fairy Tale: slower | |
723 | - Fixes battles | |
724 | */ | |
4e70ea5a | 725 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
726 | * The timings from Duckstation are based upon hardware tests. | |
727 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
728 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
729 | * */ | |
e3d555e0 | 730 | if (cdr.DriveState != DRIVESTATE_STANDBY) |
731 | { | |
4e70ea5a | 732 | delay = 7000; |
e3d555e0 | 733 | } |
734 | else | |
735 | { | |
4e70ea5a | 736 | delay = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * (1000000)); |
e3d555e0 | 737 | CDRMISC_INT((cdr.Mode & MODE_SPEED) ? cdReadTime / 2 : cdReadTime); |
738 | } | |
739 | AddIrqQueue(CdlPause + 0x100, delay); | |
ef79bbde P |
740 | cdr.Ctrl |= 0x80; |
741 | break; | |
742 | ||
e4268a49 | 743 | case CdlPause + 0x100: |
9f8b032d | 744 | cdr.StatP &= ~STATUS_READ; |
ef79bbde | 745 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 746 | cdr.Stat = Complete; |
ef79bbde P |
747 | break; |
748 | ||
b0bd140d | 749 | case CdlReset: |
750 | cdr.Muted = FALSE; | |
751 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ | |
752 | AddIrqQueue(CdlReset + 0x100, 4100000); | |
e4268a49 | 753 | no_busy_error = 1; |
754 | start_rotating = 1; | |
755 | break; | |
756 | ||
b0bd140d | 757 | case CdlReset + 0x100: |
9f8b032d | 758 | cdr.Stat = Complete; |
ef79bbde P |
759 | break; |
760 | ||
9f8b032d | 761 | case CdlMute: |
030bd76a | 762 | cdr.Muted = TRUE; |
ef79bbde P |
763 | break; |
764 | ||
9f8b032d | 765 | case CdlDemute: |
030bd76a | 766 | cdr.Muted = FALSE; |
ef79bbde P |
767 | break; |
768 | ||
9f8b032d | 769 | case CdlSetfilter: |
030bd76a | 770 | cdr.File = cdr.Param[0]; |
771 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 772 | break; |
ef79bbde P |
773 | |
774 | case CdlSetmode: | |
e4268a49 | 775 | no_busy_error = 1; |
9f8b032d | 776 | break; |
ef79bbde | 777 | |
dcd72441 | 778 | case CdlGetparam: |
779 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ | |
780 | SetResultSize(5); | |
9f8b032d | 781 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 782 | cdr.Result[2] = 0; |
783 | cdr.Result[3] = cdr.File; | |
784 | cdr.Result[4] = cdr.Channel; | |
e4268a49 | 785 | no_busy_error = 1; |
9f8b032d | 786 | break; |
ef79bbde | 787 | |
9f8b032d | 788 | case CdlGetlocL: |
ef79bbde | 789 | SetResultSize(8); |
e4268a49 | 790 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 791 | break; |
ef79bbde P |
792 | |
793 | case CdlGetlocP: | |
fffad32e | 794 | SetResultSize(8); |
795 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 796 | |
892bd7d4 | 797 | if (!cdr.Play && !cdr.Reading) |
798 | cdr.Result[1] = 0; // HACK? | |
e4268a49 | 799 | break; |
892bd7d4 | 800 | |
e4268a49 | 801 | case CdlReadT: // SetSession? |
802 | // really long | |
803 | AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4); | |
804 | start_rotating = 1; | |
805 | break; | |
806 | ||
807 | case CdlReadT + 0x100: | |
808 | cdr.Stat = Complete; | |
ef79bbde P |
809 | break; |
810 | ||
9f8b032d | 811 | case CdlGetTN: |
ef79bbde | 812 | SetResultSize(3); |
9f8b032d | 813 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 814 | cdr.Stat = DiskError; |
9f8b032d | 815 | cdr.Result[0] |= STATUS_ERROR; |
816 | } else { | |
817 | cdr.Stat = Acknowledge; | |
818 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
819 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
820 | } | |
821 | break; | |
ef79bbde | 822 | |
9f8b032d | 823 | case CdlGetTD: |
ef79bbde P |
824 | cdr.Track = btoi(cdr.Param[0]); |
825 | SetResultSize(4); | |
ef79bbde P |
826 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
827 | cdr.Stat = DiskError; | |
9f8b032d | 828 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
829 | } else { |
830 | cdr.Stat = Acknowledge; | |
831 | cdr.Result[0] = cdr.StatP; | |
832 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
833 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
cfeb7cab | 834 | /* According to Nocash's documentation, the function doesn't care about ff. |
835 | * This can be seen also in Mednafen's implementation. */ | |
836 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
837 | } |
838 | break; | |
839 | ||
9f8b032d | 840 | case CdlSeekL: |
39df67df | 841 | case CdlSeekP: |
030bd76a | 842 | StopCdda(); |
843 | StopReading(); | |
9f8b032d | 844 | cdr.StatP |= STATUS_SEEK; |
9f8b032d | 845 | |
846 | /* | |
847 | Crusaders of Might and Magic = 0.5x-4x | |
848 | - fix cutscene speech start | |
849 | ||
850 | Eggs of Steel = 2x-? | |
851 | - fix new game | |
852 | ||
853 | Medievil = ?-4x | |
854 | - fix cutscene speech | |
855 | ||
856 | Rockman X5 = 0.5-4x | |
857 | - fix capcom logo | |
858 | */ | |
39df67df | 859 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 860 | cdr.Seeked = SEEK_PENDING; |
e4268a49 | 861 | start_rotating = 1; |
ef79bbde P |
862 | break; |
863 | ||
864 | case CdlTest: | |
9f8b032d | 865 | switch (cdr.Param[0]) { |
866 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
867 | SetResultSize(4); |
868 | memcpy(cdr.Result, Test20, 4); | |
869 | break; | |
870 | case 0x22: | |
871 | SetResultSize(8); | |
872 | memcpy(cdr.Result, Test22, 4); | |
873 | break; | |
874 | case 0x23: case 0x24: | |
875 | SetResultSize(8); | |
876 | memcpy(cdr.Result, Test23, 4); | |
877 | break; | |
9f8b032d | 878 | } |
e4268a49 | 879 | no_busy_error = 1; |
ef79bbde P |
880 | break; |
881 | ||
9f8b032d | 882 | case CdlID: |
e4268a49 | 883 | AddIrqQueue(CdlID + 0x100, 20480); |
ef79bbde P |
884 | break; |
885 | ||
e4268a49 | 886 | case CdlID + 0x100: |
ef79bbde | 887 | SetResultSize(8); |
89ec56af | 888 | cdr.Result[0] = cdr.StatP; |
889 | cdr.Result[1] = 0; | |
890 | cdr.Result[2] = 0; | |
891 | cdr.Result[3] = 0; | |
9f8b032d | 892 | |
d8432250 | 893 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
894 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
895 | cdr.Result[1] = 0xc0; | |
9f8b032d | 896 | } |
897 | else { | |
89ec56af | 898 | if (stat.Type == 2) |
899 | cdr.Result[1] |= 0x10; | |
900 | if (CdromId[0] == '\0') | |
9f8b032d | 901 | cdr.Result[1] |= 0x80; |
9f8b032d | 902 | } |
89ec56af | 903 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 904 | |
ef79bbde P |
905 | strncpy((char *)&cdr.Result[4], "PCSX", 4); |
906 | cdr.Stat = Complete; | |
907 | break; | |
908 | ||
b0bd140d | 909 | case CdlInit: |
e4268a49 | 910 | // yes, it really sets STATUS_SHELLOPEN |
911 | cdr.StatP |= STATUS_SHELLOPEN; | |
912 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
913 | CDRLID_INT(20480); | |
914 | no_busy_error = 1; | |
915 | start_rotating = 1; | |
9f8b032d | 916 | break; |
917 | ||
e4268a49 | 918 | case CdlGetQ: |
6360a61b | 919 | no_busy_error = 1; |
9f8b032d | 920 | break; |
921 | ||
922 | case CdlReadToc: | |
e4268a49 | 923 | AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4); |
924 | no_busy_error = 1; | |
925 | start_rotating = 1; | |
ef79bbde P |
926 | break; |
927 | ||
e4268a49 | 928 | case CdlReadToc + 0x100: |
9f8b032d | 929 | cdr.Stat = Complete; |
e4268a49 | 930 | no_busy_error = 1; |
ef79bbde P |
931 | break; |
932 | ||
94c118c3 | 933 | case CdlReadN: |
934 | case CdlReadS: | |
55b8460a | 935 | if (cdr.SetlocPending) { |
fbf19ce6 | 936 | seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(cdr.SetSector)) * (cdReadTime / 200); |
937 | if(seekTime > 1000000) seekTime = 1000000; | |
55b8460a | 938 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); |
939 | cdr.SetlocPending = 0; | |
dc0ee8d4 | 940 | cdr.m_locationChanged = TRUE; |
55b8460a | 941 | } |
942 | Find_CurTrack(cdr.SetSectorPlay); | |
943 | ||
944 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
945 | // Read* acts as play for cdda tracks in cdda mode | |
946 | goto do_CdlPlay; | |
947 | ||
030bd76a | 948 | cdr.Reading = 1; |
949 | cdr.FirstSector = 1; | |
ef79bbde | 950 | |
9f8b032d | 951 | // Fighting Force 2 - update subq time immediately |
952 | // - fixes new game | |
55b8460a | 953 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 954 | |
955 | ||
956 | // Crusaders of Might and Magic - update getlocl now | |
957 | // - fixes cutscene speech | |
958 | { | |
959 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 960 | if (buf != NULL) |
961 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 962 | } |
39df67df | 963 | |
9f8b032d | 964 | /* |
965 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
966 | - fixes cutscenes | |
914722b2 | 967 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 968 | */ |
969 | ||
39df67df | 970 | if (cdr.Seeked != SEEK_DONE) { |
9f8b032d | 971 | cdr.StatP |= STATUS_SEEK; |
972 | cdr.StatP &= ~STATUS_READ; | |
973 | ||
974 | // Crusaders of Might and Magic - use short time | |
975 | // - fix cutscene speech (startup) | |
976 | ||
977 | // ??? - use more accurate seek time later | |
fbf19ce6 | 978 | CDREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1) + seekTime); |
9f8b032d | 979 | } else { |
980 | cdr.StatP |= STATUS_READ; | |
981 | cdr.StatP &= ~STATUS_SEEK; | |
982 | ||
983 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
984 | } | |
ef79bbde | 985 | |
9f8b032d | 986 | cdr.Result[0] = cdr.StatP; |
e4268a49 | 987 | start_rotating = 1; |
ef79bbde | 988 | break; |
1f035e27 | 989 | case CdlSync: |
ef79bbde | 990 | default: |
e4268a49 | 991 | CDR_LOG_I("Invalid command: %02x\n", Irq); |
992 | error = ERROR_INVALIDCMD; | |
993 | // FALLTHROUGH | |
994 | ||
995 | set_error: | |
996 | SetResultSize(2); | |
997 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
998 | cdr.Result[1] = error; | |
999 | cdr.Stat = DiskError; | |
ef79bbde P |
1000 | break; |
1001 | } | |
1002 | ||
e4268a49 | 1003 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1004 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1005 | cdr.StatP |= STATUS_ROTATING; | |
1006 | } | |
1007 | ||
1008 | if (!no_busy_error) { | |
80f91a20 | 1009 | switch (cdr.DriveState) { |
1010 | case DRIVESTATE_LID_OPEN: | |
1011 | case DRIVESTATE_RESCAN_CD: | |
1012 | case DRIVESTATE_PREPARE_CD: | |
1013 | SetResultSize(2); | |
1014 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1015 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1016 | cdr.Stat = DiskError; |
1017 | break; | |
1018 | } | |
1019 | } | |
9f8b032d | 1020 | |
e4268a49 | 1021 | finish: |
94c118c3 | 1022 | setIrq(); |
e4268a49 | 1023 | cdr.ParamC = 0; |
ef79bbde | 1024 | |
8b380e97 | 1025 | #ifdef CDR_LOG_CMD_IRQ |
e4268a49 | 1026 | { |
1027 | int i; | |
1028 | SysPrintf("CDR IRQ %d cmd %02x stat %02x: ", | |
1029 | !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat); | |
1030 | for (i = 0; i < cdr.ResultC; i++) | |
1031 | SysPrintf("%02x ", cdr.Result[i]); | |
1032 | SysPrintf("\n"); | |
1033 | } | |
ef79bbde P |
1034 | #endif |
1035 | } | |
1036 | ||
8f2bb0cb | 1037 | #ifdef HAVE_ARMV7 |
53598a71 | 1038 | #define ssat32_to_16(v) \ |
1039 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1040 | #else | |
1041 | #define ssat32_to_16(v) do { \ | |
1042 | if (v < -32768) v = -32768; \ | |
1043 | else if (v > 32767) v = 32767; \ | |
1044 | } while (0) | |
1045 | #endif | |
1046 | ||
1047 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1048 | { | |
1049 | int i, l, r; | |
1050 | int ll = cdr.AttenuatorLeftToLeft; | |
1051 | int lr = cdr.AttenuatorLeftToRight; | |
1052 | int rl = cdr.AttenuatorRightToLeft; | |
1053 | int rr = cdr.AttenuatorRightToRight; | |
1054 | ||
1055 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1056 | return; | |
1057 | ||
1058 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1059 | return; | |
1060 | ||
1061 | if (stereo) { | |
1062 | for (i = 0; i < samples; i++) { | |
1063 | l = buf[i * 2]; | |
1064 | r = buf[i * 2 + 1]; | |
1065 | l = (l * ll + r * rl) >> 7; | |
1066 | r = (r * rr + l * lr) >> 7; | |
1067 | ssat32_to_16(l); | |
1068 | ssat32_to_16(r); | |
1069 | buf[i * 2] = l; | |
1070 | buf[i * 2 + 1] = r; | |
1071 | } | |
1072 | } | |
1073 | else { | |
1074 | for (i = 0; i < samples; i++) { | |
1075 | l = buf[i]; | |
1076 | l = l * (ll + rl) >> 7; | |
1077 | //r = r * (rr + lr) >> 7; | |
1078 | ssat32_to_16(l); | |
1079 | //ssat32_to_16(r); | |
1080 | buf[i] = l; | |
1081 | } | |
1082 | } | |
1083 | } | |
1084 | ||
ef79bbde P |
1085 | void cdrReadInterrupt() { |
1086 | u8 *buf; | |
1087 | ||
1088 | if (!cdr.Reading) | |
1089 | return; | |
1090 | ||
9f8b032d | 1091 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1092 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1093 | CDREAD_INT(0x1000); |
ef79bbde P |
1094 | return; |
1095 | } | |
1096 | ||
9f8b032d | 1097 | cdr.OCUP = 1; |
ef79bbde | 1098 | SetResultSize(1); |
9f8b032d | 1099 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1100 | cdr.StatP &= ~STATUS_SEEK; | |
1101 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1102 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1103 | |
55b8460a | 1104 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1105 | |
1106 | buf = CDR_getBuffer(); | |
1107 | if (buf == NULL) | |
1108 | cdr.RErr = -1; | |
1109 | ||
1110 | if (cdr.RErr == -1) { | |
8b380e97 | 1111 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1112 | memset(cdr.Transfer, 0, DATA_SIZE); |
1113 | cdr.Stat = DiskError; | |
9f8b032d | 1114 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1115 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1116 | return; | |
1117 | } | |
1118 | ||
1119 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1120 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1121 | ||
ef79bbde | 1122 | |
8b380e97 | 1123 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1124 | |
9f8b032d | 1125 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1126 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1127 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1128 | cdr.File = cdr.Transfer[4 + 0]; | |
1129 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1130 | } | |
1131 | ||
e73e384c | 1132 | /* Gameblabla |
1133 | * Skips playing on channel 255. | |
1134 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1135 | * TODO : Check if this is the proper behaviour. | |
1136 | * */ | |
cd0c9f5b | 1137 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1138 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
e73e384c | 1139 | (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) { |
ef79bbde | 1140 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1141 | if (!ret) { |
53598a71 | 1142 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1143 | SPU_playADPCMchannel(&cdr.Xa); |
1144 | cdr.FirstSector = 0; | |
1145 | } | |
1146 | else cdr.FirstSector = -1; | |
1147 | } | |
1148 | } | |
1149 | ||
55b8460a | 1150 | cdr.SetSectorPlay[2]++; |
1151 | if (cdr.SetSectorPlay[2] == 75) { | |
1152 | cdr.SetSectorPlay[2] = 0; | |
1153 | cdr.SetSectorPlay[1]++; | |
1154 | if (cdr.SetSectorPlay[1] == 60) { | |
1155 | cdr.SetSectorPlay[1] = 0; | |
1156 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1157 | } |
1158 | } | |
1159 | ||
1160 | cdr.Readed = 0; | |
1161 | ||
dc0ee8d4 | 1162 | uint32_t delay = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime; |
1163 | if (cdr.m_locationChanged) { | |
1164 | CDREAD_INT(delay * 30); | |
1165 | cdr.m_locationChanged = FALSE; | |
1166 | } else { | |
1167 | CDREAD_INT(delay); | |
1168 | } | |
9f8b032d | 1169 | |
1170 | /* | |
1171 | Croc 2: $40 - only FORM1 (*) | |
1172 | Judge Dredd: $C8 - only FORM1 (*) | |
1173 | Sim Theme Park - no adpcm at all (zero) | |
1174 | */ | |
1175 | ||
a34a2445 | 1176 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1177 | cdr.Stat = DataReady; |
a34a2445 | 1178 | setIrq(); |
ef79bbde | 1179 | } |
9f8b032d | 1180 | |
fffad32e | 1181 | // update for CdlGetlocP |
55b8460a | 1182 | ReadTrack(cdr.SetSectorPlay); |
ef79bbde P |
1183 | } |
1184 | ||
1185 | /* | |
1186 | cdrRead0: | |
94c118c3 | 1187 | bit 0,1 - mode |
ef79bbde P |
1188 | bit 2 - unknown |
1189 | bit 3 - unknown | |
1190 | bit 4 - unknown | |
1191 | bit 5 - 1 result ready | |
1192 | bit 6 - 1 dma ready | |
1193 | bit 7 - 1 command being processed | |
1194 | */ | |
1195 | ||
1196 | unsigned char cdrRead0(void) { | |
1197 | if (cdr.ResultReady) | |
1198 | cdr.Ctrl |= 0x20; | |
1199 | else | |
1200 | cdr.Ctrl &= ~0x20; | |
1201 | ||
1202 | if (cdr.OCUP) | |
1203 | cdr.Ctrl |= 0x40; | |
1204 | // else | |
1205 | // cdr.Ctrl &= ~0x40; | |
1206 | ||
1207 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1208 | cdr.Ctrl |= 0x18; | |
1209 | ||
8b380e97 | 1210 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1211 | |
1212 | return psxHu8(0x1800) = cdr.Ctrl; | |
1213 | } | |
1214 | ||
ef79bbde | 1215 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1216 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1217 | ||
50b13be9 | 1218 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1219 | } |
1220 | ||
1221 | unsigned char cdrRead1(void) { | |
94c118c3 | 1222 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1223 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1224 | else |
ef79bbde | 1225 | psxHu8(0x1801) = 0; |
94c118c3 | 1226 | cdr.ResultP++; |
1227 | if (cdr.ResultP == cdr.ResultC) | |
1228 | cdr.ResultReady = 0; | |
1229 | ||
8b380e97 | 1230 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1231 | ||
ef79bbde P |
1232 | return psxHu8(0x1801); |
1233 | } | |
1234 | ||
1235 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1236 | u8 set_loc[3]; |
ef79bbde P |
1237 | int i; |
1238 | ||
8b380e97 | 1239 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1240 | |
94c118c3 | 1241 | switch (cdr.Ctrl & 3) { |
1242 | case 0: | |
1243 | break; | |
1244 | case 3: | |
53598a71 | 1245 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1246 | return; |
1247 | default: | |
1248 | return; | |
9f8b032d | 1249 | } |
1250 | ||
9f8b032d | 1251 | cdr.Cmd = rt; |
ef79bbde P |
1252 | cdr.OCUP = 0; |
1253 | ||
8b380e97 | 1254 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1255 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde P |
1256 | if (cdr.ParamC) { |
1257 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1258 | for (i = 0; i < cdr.ParamC; i++) | |
1259 | SysPrintf(" %x,", cdr.Param[i]); | |
1260 | SysPrintf("}\n"); | |
1261 | } else { | |
1262 | SysPrintf("\n"); | |
1263 | } | |
1264 | #endif | |
1265 | ||
2daaaae3 | 1266 | cdr.ResultReady = 0; |
94c118c3 | 1267 | cdr.Ctrl |= 0x80; |
1268 | // cdr.Stat = NoIntr; | |
1269 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1270 | |
9f8b032d | 1271 | switch (cdr.Cmd) { |
94c118c3 | 1272 | case CdlSetloc: |
449968ef | 1273 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
39df67df | 1274 | |
449968ef | 1275 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 |
1276 | 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)) | |
1277 | { | |
1278 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
1279 | } | |
1280 | else | |
1281 | { | |
1282 | for (i = 0; i < 3; i++) | |
1283 | { | |
1284 | set_loc[i] = btoi(cdr.Param[i]); | |
1285 | } | |
39df67df | 1286 | |
449968ef | 1287 | i = msf2sec(cdr.SetSectorPlay); |
1288 | i = abs(i - msf2sec(set_loc)); | |
1289 | if (i > 16) | |
1290 | cdr.Seeked = SEEK_PENDING; | |
1291 | ||
1292 | memcpy(cdr.SetSector, set_loc, 3); | |
1293 | cdr.SetSector[3] = 0; | |
1294 | cdr.SetlocPending = 1; | |
1295 | } | |
94c118c3 | 1296 | break; |
ef79bbde | 1297 | |
94c118c3 | 1298 | case CdlReadN: |
030bd76a | 1299 | case CdlReadS: |
94c118c3 | 1300 | case CdlPause: |
9f8b032d | 1301 | StopCdda(); |
1302 | StopReading(); | |
9f8b032d | 1303 | break; |
1304 | ||
94c118c3 | 1305 | case CdlInit: |
b0bd140d | 1306 | case CdlReset: |
39df67df | 1307 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1308 | StopCdda(); |
1309 | StopReading(); | |
94c118c3 | 1310 | break; |
9f8b032d | 1311 | |
ef79bbde | 1312 | case CdlSetmode: |
9f8b032d | 1313 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1314 | |
ef79bbde | 1315 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1316 | |
1317 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1318 | // - fixes choppy movie sound | |
1319 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1320 | StopCdda(); | |
ef79bbde | 1321 | break; |
9f8b032d | 1322 | } |
ef79bbde P |
1323 | } |
1324 | ||
1325 | unsigned char cdrRead2(void) { | |
1326 | unsigned char ret; | |
1327 | ||
1328 | if (cdr.Readed == 0) { | |
1329 | ret = 0; | |
1330 | } else { | |
8e1040b6 | 1331 | ret = *pTransfer++; |
ef79bbde P |
1332 | } |
1333 | ||
8b380e97 | 1334 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1335 | return ret; |
1336 | } | |
1337 | ||
1338 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1339 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1340 | |
94c118c3 | 1341 | switch (cdr.Ctrl & 3) { |
1342 | case 0: | |
1343 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1344 | cdr.Param[cdr.ParamC++] = rt; | |
1345 | return; | |
1346 | case 1: | |
1347 | cdr.Reg2 = rt; | |
1348 | setIrq(); | |
1349 | return; | |
1350 | case 2: | |
53598a71 | 1351 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1352 | return; |
1353 | case 3: | |
53598a71 | 1354 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1355 | return; |
ef79bbde P |
1356 | } |
1357 | } | |
1358 | ||
1359 | unsigned char cdrRead3(void) { | |
94c118c3 | 1360 | if (cdr.Ctrl & 0x1) |
1361 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1362 | else | |
1363 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1364 | |
1365 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1366 | return psxHu8(0x1803); |
1367 | } | |
1368 | ||
1369 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1370 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1371 | |
94c118c3 | 1372 | switch (cdr.Ctrl & 3) { |
1373 | case 0: | |
a34a2445 | 1374 | break; // transfer |
94c118c3 | 1375 | case 1: |
a34a2445 | 1376 | cdr.Stat &= ~rt; |
1377 | ||
1378 | if (rt & 0x40) | |
1379 | cdr.ParamC = 0; | |
1380 | return; | |
94c118c3 | 1381 | case 2: |
53598a71 | 1382 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1383 | return; |
1384 | case 3: | |
53598a71 | 1385 | if (rt & 0x20) { |
1386 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1387 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1388 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1389 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1390 | } | |
94c118c3 | 1391 | return; |
9f8b032d | 1392 | } |
056d6759 | 1393 | |
94c118c3 | 1394 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1395 | cdr.Readed = 1; |
8e1040b6 | 1396 | pTransfer = cdr.Transfer; |
ef79bbde P |
1397 | |
1398 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1399 | case MODE_SIZE_2328: |
ef79bbde | 1400 | case 0x00: |
8e1040b6 | 1401 | pTransfer += 12; |
ef79bbde | 1402 | break; |
9f8b032d | 1403 | |
1404 | case MODE_SIZE_2340: | |
8e1040b6 | 1405 | pTransfer += 0; |
9f8b032d | 1406 | break; |
1407 | ||
ef79bbde P |
1408 | default: |
1409 | break; | |
1410 | } | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1415 | u32 cdsize; | |
c7071c43 | 1416 | int size; |
ef79bbde P |
1417 | u8 *ptr; |
1418 | ||
ef79bbde | 1419 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1420 | |
1421 | switch (chcr) { | |
1422 | case 0x11000000: | |
1423 | case 0x11400100: | |
1424 | if (cdr.Readed == 0) { | |
ef79bbde | 1425 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1426 | break; |
1427 | } | |
1428 | ||
1429 | cdsize = (bcr & 0xffff) * 4; | |
1430 | ||
9f8b032d | 1431 | // Ape Escape: bcr = 0001 / 0000 |
1432 | // - fix boot | |
1433 | if( cdsize == 0 ) | |
1434 | { | |
cd0c9f5b | 1435 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1436 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1437 | case MODE_SIZE_2328: cdsize = 2328; break; |
1438 | default: | |
1439 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1440 | } |
1441 | } | |
1442 | ||
1443 | ||
ef79bbde P |
1444 | ptr = (u8 *)PSXM(madr); |
1445 | if (ptr == NULL) { | |
ef79bbde | 1446 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1447 | break; |
1448 | } | |
9f8b032d | 1449 | |
1450 | /* | |
1451 | GS CDX: Enhancement CD crash | |
1452 | - Setloc 0:0:0 | |
1453 | - CdlPlay | |
1454 | - Spams DMA3 and gets buffer overrun | |
1455 | */ | |
8e1040b6 | 1456 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1457 | if (size > cdsize) |
1458 | size = cdsize; | |
1459 | if (size > 0) | |
9f8b032d | 1460 | { |
8e1040b6 | 1461 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1462 | } |
1463 | ||
ef79bbde | 1464 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1465 | pTransfer += cdsize; |
9f8b032d | 1466 | |
9f8b032d | 1467 | if( chcr == 0x11400100 ) { |
58ebb94c | 1468 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
9f8b032d | 1469 | CDRDMA_INT( (cdsize/4) / 4 ); |
1470 | } | |
1471 | else if( chcr == 0x11000000 ) { | |
fc4803bd | 1472 | // CDRDMA_INT( (cdsize/4) * 1 ); |
1473 | // halted | |
1474 | psxRegs.cycle += (cdsize/4) * 24/2; | |
1475 | CDRDMA_INT(16); | |
9f8b032d | 1476 | } |
1477 | return; | |
1478 | ||
ef79bbde | 1479 | default: |
ef79bbde | 1480 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1481 | break; |
1482 | } | |
1483 | ||
1484 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1485 | DMA_INTERRUPT(3); | |
1486 | } | |
1487 | ||
9f8b032d | 1488 | void cdrDmaInterrupt() |
1489 | { | |
ad418c19 | 1490 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1491 | { | |
1492 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1493 | DMA_INTERRUPT(3); | |
1494 | } | |
9f8b032d | 1495 | } |
1496 | ||
fffad32e | 1497 | static void getCdInfo(void) |
1498 | { | |
1499 | u8 tmp; | |
1500 | ||
1501 | CDR_getTN(cdr.ResultTN); | |
1502 | CDR_getTD(0, cdr.SetSectorEnd); | |
1503 | tmp = cdr.SetSectorEnd[0]; | |
1504 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1505 | cdr.SetSectorEnd[2] = tmp; | |
1506 | } | |
1507 | ||
ef79bbde P |
1508 | void cdrReset() { |
1509 | memset(&cdr, 0, sizeof(cdr)); | |
1510 | cdr.CurTrack = 1; | |
1511 | cdr.File = 1; | |
1512 | cdr.Channel = 1; | |
a2d3ccb8 | 1513 | cdr.Reg2 = 0x1f; |
1514 | cdr.Stat = NoIntr; | |
80f91a20 | 1515 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1516 | cdr.StatP = STATUS_ROTATING; |
8e1040b6 | 1517 | pTransfer = cdr.Transfer; |
dc0ee8d4 | 1518 | cdr.SetlocPending = 0; |
1519 | cdr.m_locationChanged = FALSE; | |
056d6759 | 1520 | |
1521 | // BIOS player - default values | |
53598a71 | 1522 | cdr.AttenuatorLeftToLeft = 0x80; |
1523 | cdr.AttenuatorLeftToRight = 0x00; | |
1524 | cdr.AttenuatorRightToLeft = 0x00; | |
1525 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1526 | |
1527 | getCdInfo(); | |
ef79bbde P |
1528 | } |
1529 | ||
496d88d4 | 1530 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1531 | u32 tmp; |
fffad32e | 1532 | u8 tmpp[3]; |
ef79bbde | 1533 | |
fffad32e | 1534 | if (Mode == 0 && !Config.Cdda) |
1535 | CDR_stop(); | |
9f8b032d | 1536 | |
55b8460a | 1537 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1538 | gzfreeze(&cdr, sizeof(cdr)); |
1539 | ||
94c118c3 | 1540 | if (Mode == 1) { |
1541 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1542 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1543 | } |
ef79bbde P |
1544 | |
1545 | gzfreeze(&tmp, sizeof(tmp)); | |
1546 | ||
42f3c512 | 1547 | if (Mode == 0) { |
fffad32e | 1548 | getCdInfo(); |
1549 | ||
8e1040b6 | 1550 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1551 | |
fffad32e | 1552 | // read right sub data |
f84d4864 DS |
1553 | tmpp[0] = btoi(cdr.Prev[0]); |
1554 | tmpp[1] = btoi(cdr.Prev[1]); | |
1555 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1556 | cdr.Prev[0]++; |
73b29eeb | 1557 | ReadTrack(tmpp); |
fffad32e | 1558 | |
1559 | if (cdr.Play) { | |
55b8460a | 1560 | if (cdr.freeze_ver < 0x63647202) |
1561 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1562 | ||
fffad32e | 1563 | Find_CurTrack(cdr.SetSectorPlay); |
1564 | if (!Config.Cdda) | |
1565 | CDR_play(cdr.SetSectorPlay); | |
1566 | } | |
c69642c8 | 1567 | |
1568 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1569 | // old versions did not latch Reg2, have to fixup.. | |
1570 | if (cdr.Reg2 == 0) { | |
1571 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1572 | cdr.Reg2 = 7; | |
1573 | } | |
0f2dee0f | 1574 | // also did not save Attenuator.. |
1575 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1576 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1577 | { | |
1578 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1579 | } | |
c69642c8 | 1580 | } |
42f3c512 | 1581 | } |
1582 | ||
ef79bbde P |
1583 | return 0; |
1584 | } | |
9f8b032d | 1585 | |
1586 | void LidInterrupt() { | |
fffad32e | 1587 | getCdInfo(); |
fffad32e | 1588 | StopCdda(); |
80f91a20 | 1589 | cdrLidSeekInterrupt(); |
9f8b032d | 1590 | } |