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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., * | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | /* | |
21 | * Handles all CD-ROM registers and functions. | |
22 | */ | |
23 | ||
24 | #include "cdrom.h" | |
25 | #include "ppf.h" | |
9f8b032d | 26 | #include "psxdma.h" |
ef79bbde | 27 | |
8b380e97 | 28 | /* logging */ |
29 | #if 0 | |
30 | #define CDR_LOG SysPrintf | |
31 | #else | |
32 | #define CDR_LOG(...) | |
33 | #endif | |
34 | #if 0 | |
35 | #define CDR_LOG_I SysPrintf | |
36 | #else | |
37 | #define CDR_LOG_I(...) | |
38 | #endif | |
39 | #if 0 | |
40 | #define CDR_LOG_IO SysPrintf | |
41 | #else | |
42 | #define CDR_LOG_IO(...) | |
43 | #endif | |
44 | //#define CDR_LOG_CMD_IRQ | |
45 | ||
ef79bbde | 46 | cdrStruct cdr; |
8e1040b6 | 47 | static unsigned char *pTransfer; |
ef79bbde P |
48 | |
49 | /* CD-ROM magic numbers */ | |
50 | #define CdlSync 0 | |
51 | #define CdlNop 1 | |
52 | #define CdlSetloc 2 | |
53 | #define CdlPlay 3 | |
54 | #define CdlForward 4 | |
55 | #define CdlBackward 5 | |
56 | #define CdlReadN 6 | |
57 | #define CdlStandby 7 | |
58 | #define CdlStop 8 | |
59 | #define CdlPause 9 | |
60 | #define CdlInit 10 | |
61 | #define CdlMute 11 | |
62 | #define CdlDemute 12 | |
63 | #define CdlSetfilter 13 | |
64 | #define CdlSetmode 14 | |
65 | #define CdlGetmode 15 | |
66 | #define CdlGetlocL 16 | |
67 | #define CdlGetlocP 17 | |
68 | #define CdlReadT 18 | |
69 | #define CdlGetTN 19 | |
70 | #define CdlGetTD 20 | |
71 | #define CdlSeekL 21 | |
72 | #define CdlSeekP 22 | |
73 | #define CdlSetclock 23 | |
74 | #define CdlGetclock 24 | |
75 | #define CdlTest 25 | |
76 | #define CdlID 26 | |
77 | #define CdlReadS 27 | |
78 | #define CdlReset 28 | |
79 | #define CdlReadToc 30 | |
80 | ||
ef79bbde P |
81 | char *CmdName[0x100]= { |
82 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", | |
83 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
84 | "CdlStop", "CdlPause", "CdlInit", "CdlMute", | |
85 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", | |
86 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", | |
87 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
88 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
89 | "CdlReset", NULL, "CDlReadToc", NULL | |
90 | }; | |
91 | ||
92 | unsigned char Test04[] = { 0 }; | |
93 | unsigned char Test05[] = { 0 }; | |
94 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
95 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
96 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
97 | ||
9f8b032d | 98 | // cdr.Stat: |
99 | #define NoIntr 0 | |
100 | #define DataReady 1 | |
101 | #define Complete 2 | |
102 | #define Acknowledge 3 | |
103 | #define DataEnd 4 | |
104 | #define DiskError 5 | |
105 | ||
106 | /* Modes flags */ | |
107 | #define MODE_SPEED (1<<7) // 0x80 | |
108 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
109 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
110 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 111 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 112 | #define MODE_SF (1<<3) // 0x08 channel on/off |
113 | #define MODE_REPORT (1<<2) // 0x04 | |
114 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
115 | #define MODE_CDDA (1<<0) // 0x01 | |
116 | ||
117 | /* Status flags */ | |
118 | #define STATUS_PLAY (1<<7) // 0x80 | |
119 | #define STATUS_SEEK (1<<6) // 0x40 | |
120 | #define STATUS_READ (1<<5) // 0x20 | |
121 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
122 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
123 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
124 | #define STATUS_ROTATING (1<<1) // 0x02 | |
125 | #define STATUS_ERROR (1<<0) // 0x01 | |
126 | ||
127 | ||
ef79bbde P |
128 | // 1x = 75 sectors per second |
129 | // PSXCLK = 1 sec in the ps | |
130 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
131 | #define cdReadTime (PSXCLK / 75) | |
132 | ||
80f91a20 | 133 | enum drive_state { |
134 | DRIVESTATE_STANDBY = 0, | |
135 | DRIVESTATE_LID_OPEN, | |
136 | DRIVESTATE_RESCAN_CD, | |
137 | DRIVESTATE_PREPARE_CD, | |
138 | }; | |
139 | ||
39df67df | 140 | // for cdr.Seeked |
141 | enum seeked_state { | |
142 | SEEK_PENDING = 0, | |
143 | SEEK_DONE = 1, | |
39df67df | 144 | }; |
145 | ||
ef79bbde | 146 | static struct CdrStat stat; |
ef79bbde | 147 | |
fffad32e | 148 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 149 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
150 | } | |
151 | ||
fffad32e | 152 | // for that weird psemu API.. |
153 | static unsigned int fsm2sec(const u8 *msf) { | |
154 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
155 | } | |
156 | ||
305c8c93 | 157 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 158 | msf[0] = s / 75 / 60; |
159 | s = s - msf[0] * 75 * 60; | |
160 | msf[1] = s / 75; | |
161 | s = s - msf[1] * 75; | |
162 | msf[2] = s; | |
163 | } | |
164 | ||
39df67df | 165 | // cdrInterrupt |
ef79bbde | 166 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 167 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
168 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
169 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
170 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 171 | } |
ef79bbde | 172 | |
39df67df | 173 | // cdrReadInterrupt |
ef79bbde | 174 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 175 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
176 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
177 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
178 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 179 | } |
ef79bbde | 180 | |
39df67df | 181 | // cdrLidSeekInterrupt |
9f8b032d | 182 | #define CDRLID_INT(eCycle) { \ |
183 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
184 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
185 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
186 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
187 | } | |
188 | ||
39df67df | 189 | // cdrPlayInterrupt |
190 | #define CDRMISC_INT(eCycle) { \ | |
7f457614 | 191 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
192 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
193 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
194 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
195 | } | |
196 | ||
ef79bbde P |
197 | #define StopReading() { \ |
198 | if (cdr.Reading) { \ | |
199 | cdr.Reading = 0; \ | |
d28b54b1 | 200 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
ef79bbde | 201 | } \ |
9f8b032d | 202 | cdr.StatP &= ~STATUS_READ;\ |
ef79bbde P |
203 | } |
204 | ||
205 | #define StopCdda() { \ | |
206 | if (cdr.Play) { \ | |
207 | if (!Config.Cdda) CDR_stop(); \ | |
9f8b032d | 208 | cdr.StatP &= ~STATUS_PLAY; \ |
ef79bbde | 209 | cdr.Play = FALSE; \ |
9f8b032d | 210 | cdr.FastForward = 0; \ |
211 | cdr.FastBackward = 0; \ | |
212 | /*SPU_registerCallback( SPUirq );*/ \ | |
ef79bbde P |
213 | } \ |
214 | } | |
215 | ||
216 | #define SetResultSize(size) { \ | |
94c118c3 | 217 | cdr.ResultP = 0; \ |
ef79bbde P |
218 | cdr.ResultC = size; \ |
219 | cdr.ResultReady = 1; \ | |
220 | } | |
221 | ||
94c118c3 | 222 | static void setIrq(void) |
223 | { | |
224 | if (cdr.Stat & cdr.Reg2) | |
225 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
226 | } | |
9f8b032d | 227 | |
80f91a20 | 228 | // timing used in this function was taken from tests on real hardware |
229 | // (yes it's slow, but you probably don't want to modify it) | |
9f8b032d | 230 | void cdrLidSeekInterrupt() |
231 | { | |
80f91a20 | 232 | switch (cdr.DriveState) { |
233 | default: | |
234 | case DRIVESTATE_STANDBY: | |
9f8b032d | 235 | cdr.StatP &= ~STATUS_SEEK; |
236 | ||
80f91a20 | 237 | if (CDR_getStatus(&stat) == -1) |
238 | return; | |
9f8b032d | 239 | |
80f91a20 | 240 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 241 | { |
80f91a20 | 242 | StopCdda(); |
243 | cdr.DriveState = DRIVESTATE_LID_OPEN; | |
244 | CDRLID_INT(0x800); | |
245 | } | |
246 | break; | |
9f8b032d | 247 | |
80f91a20 | 248 | case DRIVESTATE_LID_OPEN: |
249 | if (CDR_getStatus(&stat) == -1) | |
250 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 251 | |
80f91a20 | 252 | // 02, 12, 10 |
253 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
254 | StopReading(); | |
255 | cdr.StatP |= STATUS_SHELLOPEN; | |
9f8b032d | 256 | |
80f91a20 | 257 | // could generate error irq here, but real hardware |
258 | // only sometimes does that | |
259 | // (not done when lots of commands are sent?) | |
9f8b032d | 260 | |
80f91a20 | 261 | CDRLID_INT(cdReadTime * 30); |
262 | break; | |
9f8b032d | 263 | } |
80f91a20 | 264 | else if (cdr.StatP & STATUS_ROTATING) { |
265 | cdr.StatP &= ~STATUS_ROTATING; | |
266 | } | |
267 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
268 | // closed now | |
269 | CheckCdrom(); | |
9f8b032d | 270 | |
80f91a20 | 271 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
272 | // and is only cleared by CdlNop | |
9f8b032d | 273 | |
80f91a20 | 274 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
275 | CDRLID_INT(cdReadTime * 105); | |
276 | break; | |
277 | } | |
9f8b032d | 278 | |
80f91a20 | 279 | // recheck for close |
280 | CDRLID_INT(cdReadTime * 3); | |
281 | break; | |
9f8b032d | 282 | |
80f91a20 | 283 | case DRIVESTATE_RESCAN_CD: |
284 | cdr.StatP |= STATUS_ROTATING; | |
285 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 286 | |
80f91a20 | 287 | // this is very long on real hardware, over 6 seconds |
288 | // make it a bit faster here... | |
289 | CDRLID_INT(cdReadTime * 150); | |
290 | break; | |
9f8b032d | 291 | |
80f91a20 | 292 | case DRIVESTATE_PREPARE_CD: |
293 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 294 | |
80f91a20 | 295 | cdr.DriveState = DRIVESTATE_STANDBY; |
296 | CDRLID_INT(cdReadTime * 26); | |
297 | break; | |
9f8b032d | 298 | } |
299 | } | |
300 | ||
fffad32e | 301 | static void Find_CurTrack(const u8 *time) |
302 | { | |
303 | int current, sect; | |
9f8b032d | 304 | |
fffad32e | 305 | current = msf2sec(time); |
9f8b032d | 306 | |
fffad32e | 307 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
308 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
309 | sect = fsm2sec(cdr.ResultTD); | |
310 | if (sect - current >= 150) | |
9f8b032d | 311 | break; |
9f8b032d | 312 | } |
313 | } | |
314 | ||
73b29eeb | 315 | static void generate_subq(const u8 *time) |
316 | { | |
317 | unsigned char start[3], next[3]; | |
318 | unsigned int this_s, start_s, next_s, pregap; | |
319 | int relative_s; | |
320 | ||
321 | CDR_getTD(cdr.CurTrack, start); | |
322 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
323 | pregap = 150; | |
324 | CDR_getTD(cdr.CurTrack + 1, next); | |
325 | } | |
326 | else { | |
327 | // last track - cd size | |
328 | pregap = 0; | |
329 | next[0] = cdr.SetSectorEnd[2]; | |
330 | next[1] = cdr.SetSectorEnd[1]; | |
331 | next[2] = cdr.SetSectorEnd[0]; | |
332 | } | |
333 | ||
334 | this_s = msf2sec(time); | |
335 | start_s = fsm2sec(start); | |
336 | next_s = fsm2sec(next); | |
337 | ||
338 | cdr.TrackChanged = FALSE; | |
339 | ||
340 | if (next_s - this_s < pregap) { | |
341 | cdr.TrackChanged = TRUE; | |
342 | cdr.CurTrack++; | |
343 | start_s = next_s; | |
344 | } | |
345 | ||
346 | cdr.subq.Index = 1; | |
347 | ||
348 | relative_s = this_s - start_s; | |
349 | if (relative_s < 0) { | |
350 | cdr.subq.Index = 0; | |
351 | relative_s = -relative_s; | |
352 | } | |
353 | sec2msf(relative_s, cdr.subq.Relative); | |
354 | ||
355 | cdr.subq.Track = itob(cdr.CurTrack); | |
356 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
357 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
358 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
359 | cdr.subq.Absolute[0] = itob(time[0]); | |
360 | cdr.subq.Absolute[1] = itob(time[1]); | |
361 | cdr.subq.Absolute[2] = itob(time[2]); | |
362 | } | |
363 | ||
364 | static void ReadTrack(const u8 *time) { | |
fffad32e | 365 | unsigned char tmp[3]; |
366 | struct SubQ *subq; | |
367 | u16 crc; | |
ef79bbde | 368 | |
fffad32e | 369 | tmp[0] = itob(time[0]); |
370 | tmp[1] = itob(time[1]); | |
371 | tmp[2] = itob(time[2]); | |
ef79bbde | 372 | |
fffad32e | 373 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
374 | return; | |
39df67df | 375 | |
fffad32e | 376 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 377 | |
fffad32e | 378 | cdr.RErr = CDR_readTrack(tmp); |
379 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 380 | |
fffad32e | 381 | if (CheckSBI(time)) |
382 | return; | |
9f8b032d | 383 | |
fffad32e | 384 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 385 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 386 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 387 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 388 | cdr.subq.Track = subq->TrackNumber; |
389 | cdr.subq.Index = subq->IndexNumber; | |
390 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
391 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 392 | } |
92ca1ba6 | 393 | else { |
73b29eeb | 394 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 395 | tmp[0], tmp[1], tmp[2]); |
396 | } | |
9f8b032d | 397 | } |
fffad32e | 398 | else { |
73b29eeb | 399 | generate_subq(time); |
9f8b032d | 400 | } |
9f8b032d | 401 | |
fffad32e | 402 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
403 | cdr.subq.Track, cdr.subq.Index, | |
404 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
405 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
406 | } | |
9f8b032d | 407 | |
fffad32e | 408 | static void AddIrqQueue(unsigned char irq, unsigned long ecycle) { |
409 | if (cdr.Irq != 0) | |
410 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); | |
9f8b032d | 411 | |
fffad32e | 412 | cdr.Irq = irq; |
413 | cdr.eCycle = ecycle; | |
9f8b032d | 414 | |
fffad32e | 415 | CDR_INT(ecycle); |
ef79bbde P |
416 | } |
417 | ||
7f457614 | 418 | static void cdrPlayInterrupt_Autopause() |
419 | { | |
fffad32e | 420 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 421 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 422 | |
423 | // Magic the Gathering | |
424 | // - looping territory cdda | |
425 | ||
426 | // ...? | |
427 | //cdr.ResultReady = 1; | |
428 | //cdr.Stat = DataReady; | |
429 | cdr.Stat = DataEnd; | |
94c118c3 | 430 | setIrq(); |
7f457614 | 431 | |
432 | StopCdda(); | |
433 | } | |
a02ee86f | 434 | else if (cdr.Mode & MODE_REPORT) { |
7f457614 | 435 | |
fffad32e | 436 | cdr.Result[0] = cdr.StatP; |
437 | cdr.Result[1] = cdr.subq.Track; | |
438 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 439 | |
fffad32e | 440 | if (cdr.subq.Absolute[2] & 0x10) { |
441 | cdr.Result[3] = cdr.subq.Relative[0]; | |
442 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
443 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 444 | } |
fffad32e | 445 | else { |
446 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
447 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
448 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
449 | } | |
450 | ||
451 | cdr.Result[6] = 0; | |
452 | cdr.Result[7] = 0; | |
7f457614 | 453 | |
454 | // Rayman: Logo freeze (resultready + dataready) | |
455 | cdr.ResultReady = 1; | |
456 | cdr.Stat = DataReady; | |
457 | ||
458 | SetResultSize(8); | |
94c118c3 | 459 | setIrq(); |
7f457614 | 460 | } |
461 | } | |
462 | ||
39df67df | 463 | // also handles seek |
7f457614 | 464 | void cdrPlayInterrupt() |
465 | { | |
892bd7d4 | 466 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 467 | if (cdr.Stat) { |
8b380e97 | 468 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 469 | CDRMISC_INT(0x1000); |
470 | return; | |
471 | } | |
39df67df | 472 | SetResultSize(1); |
473 | cdr.StatP |= STATUS_ROTATING; | |
474 | cdr.StatP &= ~STATUS_SEEK; | |
475 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 476 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 477 | if (cdr.Irq == 0) { |
39df67df | 478 | cdr.Stat = Complete; |
94c118c3 | 479 | setIrq(); |
39df67df | 480 | } |
481 | ||
892bd7d4 | 482 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); |
fffad32e | 483 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 484 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 485 | cdr.TrackChanged = FALSE; |
39df67df | 486 | } |
487 | ||
488 | if (!cdr.Play) return; | |
7f457614 | 489 | |
7f457614 | 490 | CDR_LOG( "CDDA - %d:%d:%d\n", |
491 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 492 | |
fffad32e | 493 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
494 | StopCdda(); | |
495 | cdr.TrackChanged = TRUE; | |
496 | } | |
7f457614 | 497 | |
892bd7d4 | 498 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 499 | cdrPlayInterrupt_Autopause(); |
500 | ||
fffad32e | 501 | if (!cdr.Play) return; |
502 | ||
7f457614 | 503 | cdr.SetSectorPlay[2]++; |
504 | if (cdr.SetSectorPlay[2] == 75) { | |
505 | cdr.SetSectorPlay[2] = 0; | |
506 | cdr.SetSectorPlay[1]++; | |
507 | if (cdr.SetSectorPlay[1] == 60) { | |
508 | cdr.SetSectorPlay[1] = 0; | |
509 | cdr.SetSectorPlay[0]++; | |
510 | } | |
511 | } | |
512 | ||
fffad32e | 513 | CDRMISC_INT(cdReadTime); |
514 | ||
515 | // update for CdlGetlocP/autopause | |
73b29eeb | 516 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 517 | } |
518 | ||
ef79bbde P |
519 | void cdrInterrupt() { |
520 | int i; | |
521 | unsigned char Irq = cdr.Irq; | |
522 | ||
9f8b032d | 523 | // Reschedule IRQ |
ef79bbde | 524 | if (cdr.Stat) { |
8b380e97 | 525 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 526 | CDR_INT(0x1000); |
ef79bbde P |
527 | return; |
528 | } | |
529 | ||
a34a2445 | 530 | cdr.Irq = 0; |
ef79bbde P |
531 | cdr.Ctrl &= ~0x80; |
532 | ||
533 | switch (Irq) { | |
534 | case CdlSync: | |
535 | SetResultSize(1); | |
9f8b032d | 536 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde | 537 | cdr.Result[0] = cdr.StatP; |
cd0c9f5b | 538 | cdr.Stat = Acknowledge; |
ef79bbde P |
539 | break; |
540 | ||
541 | case CdlNop: | |
542 | SetResultSize(1); | |
543 | cdr.Result[0] = cdr.StatP; | |
544 | cdr.Stat = Acknowledge; | |
9f8b032d | 545 | |
80f91a20 | 546 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
547 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
548 | break; |
549 | ||
550 | case CdlSetloc: | |
551 | cdr.CmdProcess = 0; | |
552 | SetResultSize(1); | |
9f8b032d | 553 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
554 | cdr.Result[0] = cdr.StatP; |
555 | cdr.Stat = Acknowledge; | |
556 | break; | |
557 | ||
558 | case CdlPlay: | |
39df67df | 559 | if (cdr.Seeked == SEEK_PENDING) { |
560 | // XXX: wrong, should seek instead.. | |
9f8b032d | 561 | memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 ); |
39df67df | 562 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 563 | } |
564 | ||
2d5ca6c0 | 565 | // BIOS CD Player |
566 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
567 | ||
568 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
569 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
570 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
571 | } | |
572 | else | |
573 | { | |
574 | int track = btoi( cdr.Param[0] ); | |
575 | ||
576 | if (track <= cdr.ResultTN[1]) | |
577 | cdr.CurTrack = track; | |
578 | ||
579 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
580 | ||
581 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
582 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
583 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
584 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
585 | } | |
586 | } | |
587 | ||
9f8b032d | 588 | /* |
589 | Rayman: detect track changes | |
590 | - fixes logo freeze | |
591 | ||
592 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
593 | - plays tracks without retry play | |
594 | ||
595 | Wild 9: skip PREGAP + starting accurate SubQ | |
596 | - plays tracks without retry play | |
597 | */ | |
fffad32e | 598 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 599 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 600 | cdr.TrackChanged = FALSE; |
9f8b032d | 601 | |
2d5ca6c0 | 602 | if (!Config.Cdda) |
603 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 604 | |
605 | // Vib Ribbon: gameplay checks flag | |
606 | cdr.StatP &= ~STATUS_SEEK; | |
607 | ||
ef79bbde P |
608 | cdr.CmdProcess = 0; |
609 | SetResultSize(1); | |
9f8b032d | 610 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
611 | cdr.Result[0] = cdr.StatP; |
612 | cdr.Stat = Acknowledge; | |
9f8b032d | 613 | |
614 | cdr.StatP |= STATUS_PLAY; | |
615 | ||
616 | ||
617 | // BIOS player - set flag again | |
618 | cdr.Play = TRUE; | |
619 | ||
39df67df | 620 | CDRMISC_INT( cdReadTime ); |
ef79bbde P |
621 | break; |
622 | ||
9f8b032d | 623 | case CdlForward: |
ef79bbde P |
624 | cdr.CmdProcess = 0; |
625 | SetResultSize(1); | |
9f8b032d | 626 | cdr.StatP |= STATUS_ROTATING; |
627 | cdr.Result[0] = cdr.StatP; | |
628 | cdr.Stat = Complete; | |
629 | ||
630 | ||
631 | // GameShark CD Player: Calls 2x + Play 2x | |
632 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; | |
633 | else cdr.FastForward++; | |
634 | ||
635 | cdr.FastBackward = 0; | |
ef79bbde P |
636 | break; |
637 | ||
9f8b032d | 638 | case CdlBackward: |
ef79bbde P |
639 | cdr.CmdProcess = 0; |
640 | SetResultSize(1); | |
9f8b032d | 641 | cdr.StatP |= STATUS_ROTATING; |
642 | cdr.Result[0] = cdr.StatP; | |
643 | cdr.Stat = Complete; | |
644 | ||
645 | ||
646 | // GameShark CD Player: Calls 2x + Play 2x | |
647 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; | |
648 | else cdr.FastBackward++; | |
649 | ||
650 | cdr.FastForward = 0; | |
ef79bbde P |
651 | break; |
652 | ||
9f8b032d | 653 | case CdlStandby: |
ef79bbde P |
654 | cdr.CmdProcess = 0; |
655 | SetResultSize(1); | |
9f8b032d | 656 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
657 | cdr.Result[0] = cdr.StatP; |
658 | cdr.Stat = Complete; | |
659 | break; | |
660 | ||
661 | case CdlStop: | |
662 | cdr.CmdProcess = 0; | |
663 | SetResultSize(1); | |
9f8b032d | 664 | cdr.StatP &= ~STATUS_ROTATING; |
ef79bbde P |
665 | cdr.Result[0] = cdr.StatP; |
666 | cdr.Stat = Complete; | |
667 | // cdr.Stat = Acknowledge; | |
ef79bbde P |
668 | break; |
669 | ||
670 | case CdlPause: | |
671 | SetResultSize(1); | |
672 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 673 | cdr.Stat = Acknowledge; |
674 | ||
12228917 | 675 | /* |
676 | Gundam Battle Assault 2: much slower (*) | |
677 | - Fixes boot, gameplay | |
678 | ||
679 | Hokuto no Ken 2: slower | |
680 | - Fixes intro + subtitles | |
681 | ||
682 | InuYasha - Feudal Fairy Tale: slower | |
683 | - Fixes battles | |
684 | */ | |
685 | AddIrqQueue(CdlPause + 0x20, cdReadTime * 3); | |
ef79bbde P |
686 | cdr.Ctrl |= 0x80; |
687 | break; | |
688 | ||
689 | case CdlPause + 0x20: | |
690 | SetResultSize(1); | |
9f8b032d | 691 | cdr.StatP &= ~STATUS_READ; |
692 | cdr.StatP |= STATUS_ROTATING; | |
ef79bbde | 693 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 694 | cdr.Stat = Complete; |
ef79bbde P |
695 | break; |
696 | ||
9f8b032d | 697 | case CdlInit: |
ef79bbde | 698 | SetResultSize(1); |
9f8b032d | 699 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 700 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 701 | cdr.Stat = Acknowledge; |
ef79bbde | 702 | // if (!cdr.Init) { |
9f8b032d | 703 | AddIrqQueue(CdlInit + 0x20, 0x800); |
ef79bbde P |
704 | // } |
705 | break; | |
706 | ||
707 | case CdlInit + 0x20: | |
708 | SetResultSize(1); | |
709 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 710 | cdr.Stat = Complete; |
ef79bbde P |
711 | cdr.Init = 1; |
712 | break; | |
713 | ||
9f8b032d | 714 | case CdlMute: |
ef79bbde | 715 | SetResultSize(1); |
9f8b032d | 716 | cdr.StatP |= STATUS_ROTATING; |
717 | cdr.Result[0] = cdr.StatP; | |
718 | cdr.Stat = Acknowledge; | |
ef79bbde P |
719 | break; |
720 | ||
9f8b032d | 721 | case CdlDemute: |
ef79bbde | 722 | SetResultSize(1); |
9f8b032d | 723 | cdr.StatP |= STATUS_ROTATING; |
724 | cdr.Result[0] = cdr.StatP; | |
725 | cdr.Stat = Acknowledge; | |
ef79bbde P |
726 | break; |
727 | ||
9f8b032d | 728 | case CdlSetfilter: |
ef79bbde | 729 | SetResultSize(1); |
9f8b032d | 730 | cdr.StatP |= STATUS_ROTATING; |
731 | cdr.Result[0] = cdr.StatP; | |
732 | cdr.Stat = Acknowledge; | |
733 | break; | |
ef79bbde P |
734 | |
735 | case CdlSetmode: | |
736 | SetResultSize(1); | |
9f8b032d | 737 | cdr.StatP |= STATUS_ROTATING; |
738 | cdr.Result[0] = cdr.StatP; | |
739 | cdr.Stat = Acknowledge; | |
740 | break; | |
ef79bbde | 741 | |
9f8b032d | 742 | case CdlGetmode: |
ef79bbde | 743 | SetResultSize(6); |
9f8b032d | 744 | cdr.StatP |= STATUS_ROTATING; |
745 | cdr.Result[0] = cdr.StatP; | |
746 | cdr.Result[1] = cdr.Mode; | |
747 | cdr.Result[2] = cdr.File; | |
748 | cdr.Result[3] = cdr.Channel; | |
749 | cdr.Result[4] = 0; | |
750 | cdr.Result[5] = 0; | |
751 | cdr.Stat = Acknowledge; | |
752 | break; | |
ef79bbde | 753 | |
9f8b032d | 754 | case CdlGetlocL: |
ef79bbde | 755 | SetResultSize(8); |
9f8b032d | 756 | for (i = 0; i < 8; i++) |
ef79bbde | 757 | cdr.Result[i] = cdr.Transfer[i]; |
9f8b032d | 758 | cdr.Stat = Acknowledge; |
759 | break; | |
ef79bbde P |
760 | |
761 | case CdlGetlocP: | |
fffad32e | 762 | SetResultSize(8); |
763 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 764 | |
892bd7d4 | 765 | if (!cdr.Play && !cdr.Reading) |
766 | cdr.Result[1] = 0; // HACK? | |
767 | ||
ef79bbde P |
768 | cdr.Stat = Acknowledge; |
769 | break; | |
770 | ||
9f8b032d | 771 | case CdlGetTN: |
ef79bbde P |
772 | cdr.CmdProcess = 0; |
773 | SetResultSize(3); | |
9f8b032d | 774 | cdr.StatP |= STATUS_ROTATING; |
775 | cdr.Result[0] = cdr.StatP; | |
776 | if (CDR_getTN(cdr.ResultTN) == -1) { | |
ef79bbde | 777 | cdr.Stat = DiskError; |
9f8b032d | 778 | cdr.Result[0] |= STATUS_ERROR; |
779 | } else { | |
780 | cdr.Stat = Acknowledge; | |
781 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
782 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
783 | } | |
784 | break; | |
ef79bbde | 785 | |
9f8b032d | 786 | case CdlGetTD: |
ef79bbde P |
787 | cdr.CmdProcess = 0; |
788 | cdr.Track = btoi(cdr.Param[0]); | |
789 | SetResultSize(4); | |
9f8b032d | 790 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
791 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
792 | cdr.Stat = DiskError; | |
9f8b032d | 793 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
794 | } else { |
795 | cdr.Stat = Acknowledge; | |
796 | cdr.Result[0] = cdr.StatP; | |
797 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
798 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
799 | cdr.Result[3] = itob(cdr.ResultTD[0]); | |
800 | } | |
801 | break; | |
802 | ||
9f8b032d | 803 | case CdlSeekL: |
39df67df | 804 | case CdlSeekP: |
ef79bbde | 805 | SetResultSize(1); |
9f8b032d | 806 | cdr.StatP |= STATUS_ROTATING; |
807 | cdr.Result[0] = cdr.StatP; | |
808 | cdr.StatP |= STATUS_SEEK; | |
809 | cdr.Stat = Acknowledge; | |
810 | ||
811 | /* | |
812 | Crusaders of Might and Magic = 0.5x-4x | |
813 | - fix cutscene speech start | |
814 | ||
815 | Eggs of Steel = 2x-? | |
816 | - fix new game | |
817 | ||
818 | Medievil = ?-4x | |
819 | - fix cutscene speech | |
820 | ||
821 | Rockman X5 = 0.5-4x | |
822 | - fix capcom logo | |
823 | */ | |
39df67df | 824 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 825 | cdr.Seeked = SEEK_PENDING; |
ef79bbde P |
826 | break; |
827 | ||
828 | case CdlTest: | |
9f8b032d | 829 | cdr.Stat = Acknowledge; |
830 | switch (cdr.Param[0]) { | |
831 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
832 | SetResultSize(4); |
833 | memcpy(cdr.Result, Test20, 4); | |
834 | break; | |
835 | case 0x22: | |
836 | SetResultSize(8); | |
837 | memcpy(cdr.Result, Test22, 4); | |
838 | break; | |
839 | case 0x23: case 0x24: | |
840 | SetResultSize(8); | |
841 | memcpy(cdr.Result, Test23, 4); | |
842 | break; | |
9f8b032d | 843 | } |
ef79bbde P |
844 | break; |
845 | ||
9f8b032d | 846 | case CdlID: |
ef79bbde | 847 | SetResultSize(1); |
9f8b032d | 848 | cdr.StatP |= STATUS_ROTATING; |
849 | cdr.Result[0] = cdr.StatP; | |
850 | cdr.Stat = Acknowledge; | |
851 | AddIrqQueue(CdlID + 0x20, 0x800); | |
ef79bbde P |
852 | break; |
853 | ||
854 | case CdlID + 0x20: | |
855 | SetResultSize(8); | |
89ec56af | 856 | cdr.Result[0] = cdr.StatP; |
857 | cdr.Result[1] = 0; | |
858 | cdr.Result[2] = 0; | |
859 | cdr.Result[3] = 0; | |
9f8b032d | 860 | |
d8432250 | 861 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
862 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
863 | cdr.Result[1] = 0xc0; | |
9f8b032d | 864 | } |
865 | else { | |
89ec56af | 866 | if (stat.Type == 2) |
867 | cdr.Result[1] |= 0x10; | |
868 | if (CdromId[0] == '\0') | |
9f8b032d | 869 | cdr.Result[1] |= 0x80; |
9f8b032d | 870 | } |
89ec56af | 871 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 872 | |
ef79bbde P |
873 | strncpy((char *)&cdr.Result[4], "PCSX", 4); |
874 | cdr.Stat = Complete; | |
875 | break; | |
876 | ||
877 | case CdlReset: | |
878 | SetResultSize(1); | |
9f8b032d | 879 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 880 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 881 | cdr.Stat = Acknowledge; |
ef79bbde P |
882 | break; |
883 | ||
9f8b032d | 884 | case CdlReadT: |
885 | SetResultSize(1); | |
886 | cdr.StatP |= STATUS_ROTATING; | |
887 | cdr.Result[0] = cdr.StatP; | |
888 | cdr.Stat = Acknowledge; | |
889 | AddIrqQueue(CdlReadT + 0x20, 0x800); | |
890 | break; | |
891 | ||
892 | case CdlReadT + 0x20: | |
893 | SetResultSize(1); | |
894 | cdr.StatP |= STATUS_ROTATING; | |
895 | cdr.Result[0] = cdr.StatP; | |
896 | cdr.Stat = Complete; | |
897 | break; | |
898 | ||
899 | case CdlReadToc: | |
ef79bbde | 900 | SetResultSize(1); |
9f8b032d | 901 | cdr.StatP |= STATUS_ROTATING; |
902 | cdr.Result[0] = cdr.StatP; | |
903 | cdr.Stat = Acknowledge; | |
89ec56af | 904 | AddIrqQueue(CdlReadToc + 0x20, cdReadTime * 16); |
ef79bbde P |
905 | break; |
906 | ||
9f8b032d | 907 | case CdlReadToc + 0x20: |
ef79bbde | 908 | SetResultSize(1); |
9f8b032d | 909 | cdr.StatP |= STATUS_ROTATING; |
910 | cdr.Result[0] = cdr.StatP; | |
911 | cdr.Stat = Complete; | |
ef79bbde P |
912 | break; |
913 | ||
94c118c3 | 914 | case CdlReadN: |
915 | case CdlReadS: | |
ef79bbde P |
916 | if (!cdr.Reading) return; |
917 | ||
9f8b032d | 918 | // Fighting Force 2 - update subq time immediately |
919 | // - fixes new game | |
73b29eeb | 920 | Find_CurTrack(cdr.SetSector); |
921 | ReadTrack(cdr.SetSector); | |
9f8b032d | 922 | |
923 | ||
924 | // Crusaders of Might and Magic - update getlocl now | |
925 | // - fixes cutscene speech | |
926 | { | |
927 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 928 | if (buf != NULL) |
929 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 930 | } |
39df67df | 931 | |
9f8b032d | 932 | /* |
933 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
934 | - fixes cutscenes | |
914722b2 | 935 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 936 | */ |
937 | ||
39df67df | 938 | if (cdr.Seeked != SEEK_DONE) { |
9f8b032d | 939 | cdr.StatP |= STATUS_SEEK; |
940 | cdr.StatP &= ~STATUS_READ; | |
941 | ||
942 | // Crusaders of Might and Magic - use short time | |
943 | // - fix cutscene speech (startup) | |
944 | ||
945 | // ??? - use more accurate seek time later | |
946 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
947 | } else { | |
948 | cdr.StatP |= STATUS_READ; | |
949 | cdr.StatP &= ~STATUS_SEEK; | |
950 | ||
951 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
952 | } | |
ef79bbde | 953 | |
ef79bbde | 954 | SetResultSize(1); |
9f8b032d | 955 | cdr.StatP |= STATUS_ROTATING; |
956 | cdr.Result[0] = cdr.StatP; | |
957 | cdr.Stat = Acknowledge; | |
ef79bbde P |
958 | break; |
959 | ||
ef79bbde P |
960 | default: |
961 | cdr.Stat = Complete; | |
962 | break; | |
963 | } | |
964 | ||
80f91a20 | 965 | if (Irq != CdlNop) { |
966 | switch (cdr.DriveState) { | |
967 | case DRIVESTATE_LID_OPEN: | |
968 | case DRIVESTATE_RESCAN_CD: | |
969 | case DRIVESTATE_PREPARE_CD: | |
970 | SetResultSize(2); | |
971 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
972 | cdr.Result[1] = 0x80; | |
973 | cdr.Stat = DiskError; | |
974 | break; | |
975 | } | |
976 | } | |
9f8b032d | 977 | |
2daaaae3 | 978 | cdr.ParamC = 0; |
979 | ||
94c118c3 | 980 | setIrq(); |
ef79bbde | 981 | |
8b380e97 | 982 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 983 | SysPrintf("IRQ %d cmd %02x stat %02x: ", |
984 | !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat); | |
39df67df | 985 | for (i = 0; i < cdr.ResultC; i++) |
8b380e97 | 986 | SysPrintf("%02x ", cdr.Result[i]); |
987 | SysPrintf("\n"); | |
ef79bbde P |
988 | #endif |
989 | } | |
990 | ||
53598a71 | 991 | #ifdef __ARM_ARCH_7A__ |
992 | #define ssat32_to_16(v) \ | |
993 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
994 | #else | |
995 | #define ssat32_to_16(v) do { \ | |
996 | if (v < -32768) v = -32768; \ | |
997 | else if (v > 32767) v = 32767; \ | |
998 | } while (0) | |
999 | #endif | |
1000 | ||
1001 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1002 | { | |
1003 | int i, l, r; | |
1004 | int ll = cdr.AttenuatorLeftToLeft; | |
1005 | int lr = cdr.AttenuatorLeftToRight; | |
1006 | int rl = cdr.AttenuatorRightToLeft; | |
1007 | int rr = cdr.AttenuatorRightToRight; | |
1008 | ||
1009 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1010 | return; | |
1011 | ||
1012 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1013 | return; | |
1014 | ||
1015 | if (stereo) { | |
1016 | for (i = 0; i < samples; i++) { | |
1017 | l = buf[i * 2]; | |
1018 | r = buf[i * 2 + 1]; | |
1019 | l = (l * ll + r * rl) >> 7; | |
1020 | r = (r * rr + l * lr) >> 7; | |
1021 | ssat32_to_16(l); | |
1022 | ssat32_to_16(r); | |
1023 | buf[i * 2] = l; | |
1024 | buf[i * 2 + 1] = r; | |
1025 | } | |
1026 | } | |
1027 | else { | |
1028 | for (i = 0; i < samples; i++) { | |
1029 | l = buf[i]; | |
1030 | l = l * (ll + rl) >> 7; | |
1031 | //r = r * (rr + lr) >> 7; | |
1032 | ssat32_to_16(l); | |
1033 | //ssat32_to_16(r); | |
1034 | buf[i] = l; | |
1035 | } | |
1036 | } | |
1037 | } | |
1038 | ||
ef79bbde P |
1039 | void cdrReadInterrupt() { |
1040 | u8 *buf; | |
1041 | ||
1042 | if (!cdr.Reading) | |
1043 | return; | |
1044 | ||
9f8b032d | 1045 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1046 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1047 | CDREAD_INT(0x1000); |
ef79bbde P |
1048 | return; |
1049 | } | |
1050 | ||
9f8b032d | 1051 | cdr.OCUP = 1; |
ef79bbde | 1052 | SetResultSize(1); |
9f8b032d | 1053 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1054 | cdr.StatP &= ~STATUS_SEEK; | |
1055 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1056 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1057 | |
73b29eeb | 1058 | ReadTrack(cdr.SetSector); |
ef79bbde P |
1059 | |
1060 | buf = CDR_getBuffer(); | |
1061 | if (buf == NULL) | |
1062 | cdr.RErr = -1; | |
1063 | ||
1064 | if (cdr.RErr == -1) { | |
8b380e97 | 1065 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1066 | memset(cdr.Transfer, 0, DATA_SIZE); |
1067 | cdr.Stat = DiskError; | |
9f8b032d | 1068 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1069 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1070 | return; | |
1071 | } | |
1072 | ||
1073 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1074 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1075 | ||
ef79bbde | 1076 | |
8b380e97 | 1077 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1078 | |
9f8b032d | 1079 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1080 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1081 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1082 | cdr.File = cdr.Transfer[4 + 0]; | |
1083 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1084 | } | |
1085 | ||
cd0c9f5b | 1086 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1087 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
cd0c9f5b | 1088 | (cdr.Transfer[4 + 0] == cdr.File)) { |
ef79bbde | 1089 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1090 | if (!ret) { |
53598a71 | 1091 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1092 | SPU_playADPCMchannel(&cdr.Xa); |
1093 | cdr.FirstSector = 0; | |
1094 | } | |
1095 | else cdr.FirstSector = -1; | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | cdr.SetSector[2]++; | |
9f8b032d | 1100 | if (cdr.SetSector[2] == 75) { |
1101 | cdr.SetSector[2] = 0; | |
1102 | cdr.SetSector[1]++; | |
1103 | if (cdr.SetSector[1] == 60) { | |
1104 | cdr.SetSector[1] = 0; | |
1105 | cdr.SetSector[0]++; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | cdr.Readed = 0; | |
1110 | ||
a34a2445 | 1111 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1112 | |
1113 | /* | |
1114 | Croc 2: $40 - only FORM1 (*) | |
1115 | Judge Dredd: $C8 - only FORM1 (*) | |
1116 | Sim Theme Park - no adpcm at all (zero) | |
1117 | */ | |
1118 | ||
a34a2445 | 1119 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1120 | cdr.Stat = DataReady; |
a34a2445 | 1121 | setIrq(); |
ef79bbde | 1122 | } |
9f8b032d | 1123 | |
fffad32e | 1124 | // update for CdlGetlocP |
73b29eeb | 1125 | ReadTrack(cdr.SetSector); |
ef79bbde P |
1126 | } |
1127 | ||
1128 | /* | |
1129 | cdrRead0: | |
94c118c3 | 1130 | bit 0,1 - mode |
ef79bbde P |
1131 | bit 2 - unknown |
1132 | bit 3 - unknown | |
1133 | bit 4 - unknown | |
1134 | bit 5 - 1 result ready | |
1135 | bit 6 - 1 dma ready | |
1136 | bit 7 - 1 command being processed | |
1137 | */ | |
1138 | ||
1139 | unsigned char cdrRead0(void) { | |
1140 | if (cdr.ResultReady) | |
1141 | cdr.Ctrl |= 0x20; | |
1142 | else | |
1143 | cdr.Ctrl &= ~0x20; | |
1144 | ||
1145 | if (cdr.OCUP) | |
1146 | cdr.Ctrl |= 0x40; | |
1147 | // else | |
1148 | // cdr.Ctrl &= ~0x40; | |
1149 | ||
1150 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1151 | cdr.Ctrl |= 0x18; | |
1152 | ||
8b380e97 | 1153 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1154 | |
1155 | return psxHu8(0x1800) = cdr.Ctrl; | |
1156 | } | |
1157 | ||
ef79bbde | 1158 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1159 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1160 | ||
50b13be9 | 1161 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1162 | } |
1163 | ||
1164 | unsigned char cdrRead1(void) { | |
94c118c3 | 1165 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1166 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1167 | else |
ef79bbde | 1168 | psxHu8(0x1801) = 0; |
94c118c3 | 1169 | cdr.ResultP++; |
1170 | if (cdr.ResultP == cdr.ResultC) | |
1171 | cdr.ResultReady = 0; | |
1172 | ||
8b380e97 | 1173 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1174 | ||
ef79bbde P |
1175 | return psxHu8(0x1801); |
1176 | } | |
1177 | ||
1178 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1179 | u8 set_loc[3]; |
ef79bbde P |
1180 | int i; |
1181 | ||
8b380e97 | 1182 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1183 | |
94c118c3 | 1184 | switch (cdr.Ctrl & 3) { |
1185 | case 0: | |
1186 | break; | |
1187 | case 3: | |
53598a71 | 1188 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1189 | return; |
1190 | default: | |
1191 | return; | |
9f8b032d | 1192 | } |
1193 | ||
9f8b032d | 1194 | cdr.Cmd = rt; |
ef79bbde P |
1195 | cdr.OCUP = 0; |
1196 | ||
8b380e97 | 1197 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1198 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde P |
1199 | if (cdr.ParamC) { |
1200 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1201 | for (i = 0; i < cdr.ParamC; i++) | |
1202 | SysPrintf(" %x,", cdr.Param[i]); | |
1203 | SysPrintf("}\n"); | |
1204 | } else { | |
1205 | SysPrintf("\n"); | |
1206 | } | |
1207 | #endif | |
1208 | ||
2daaaae3 | 1209 | cdr.ResultReady = 0; |
94c118c3 | 1210 | cdr.Ctrl |= 0x80; |
1211 | // cdr.Stat = NoIntr; | |
1212 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1213 | |
9f8b032d | 1214 | switch (cdr.Cmd) { |
94c118c3 | 1215 | case CdlSync: |
1216 | case CdlNop: | |
1217 | case CdlForward: | |
1218 | case CdlBackward: | |
1219 | case CdlReadT: | |
1220 | case CdlTest: | |
1221 | case CdlID: | |
1222 | case CdlReadToc: | |
1223 | case CdlGetmode: | |
1224 | case CdlGetlocL: | |
1225 | case CdlGetlocP: | |
1226 | case CdlGetTD: | |
1227 | break; | |
ef79bbde | 1228 | |
94c118c3 | 1229 | case CdlSetloc: |
9f8b032d | 1230 | StopReading(); |
9f8b032d | 1231 | for (i = 0; i < 3; i++) |
914722b2 | 1232 | set_loc[i] = btoi(cdr.Param[i]); |
39df67df | 1233 | |
2d5ca6c0 | 1234 | // FIXME: clean up this SetSector/SetSectorPlay mess, |
1235 | // there should be single var tracking current sector pos | |
1236 | if (cdr.Play) | |
1237 | i = msf2sec(cdr.SetSectorPlay); | |
1238 | else | |
1239 | i = msf2sec(cdr.SetSector); | |
1240 | i = abs(i - msf2sec(set_loc)); | |
914722b2 | 1241 | if (i > 16) |
94c118c3 | 1242 | cdr.Seeked = SEEK_PENDING; |
39df67df | 1243 | |
914722b2 | 1244 | memcpy(cdr.SetSector, set_loc, 3); |
94c118c3 | 1245 | cdr.SetSector[3] = 0; |
1246 | break; | |
ef79bbde | 1247 | |
94c118c3 | 1248 | case CdlPlay: |
9f8b032d | 1249 | // Vib Ribbon: try same track again |
1250 | StopCdda(); | |
1251 | ||
9f8b032d | 1252 | // Vib Ribbon - decoded buffer IRQ for CDDA reading |
1253 | // - fixes ribbon timing + music CD mode | |
9f8b032d | 1254 | //CDRDBUF_INT( PSXCLK / 44100 * 0x100 ); |
1255 | ||
9f8b032d | 1256 | cdr.Play = TRUE; |
1257 | ||
1258 | cdr.StatP |= STATUS_SEEK; | |
1259 | cdr.StatP &= ~STATUS_ROTATING; | |
94c118c3 | 1260 | break; |
9f8b032d | 1261 | |
94c118c3 | 1262 | case CdlReadN: |
9f8b032d | 1263 | StopReading(); |
94c118c3 | 1264 | cdr.Reading = 1; |
1265 | cdr.FirstSector = 1; | |
1266 | cdr.Readed = 0xff; | |
9f8b032d | 1267 | break; |
ef79bbde | 1268 | |
94c118c3 | 1269 | case CdlStandby: |
9f8b032d | 1270 | StopCdda(); |
1271 | StopReading(); | |
94c118c3 | 1272 | break; |
ef79bbde | 1273 | |
94c118c3 | 1274 | case CdlStop: |
9f8b032d | 1275 | // GameShark CD Player: Reset CDDA to track start |
2d5ca6c0 | 1276 | if (cdr.Play) { |
9f8b032d | 1277 | // grab time for current track |
1278 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
1279 | ||
1280 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
1281 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
1282 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
1283 | } | |
1284 | ||
1285 | StopCdda(); | |
1286 | StopReading(); | |
94c118c3 | 1287 | break; |
9f8b032d | 1288 | |
94c118c3 | 1289 | case CdlPause: |
9f8b032d | 1290 | /* |
1291 | GameShark CD Player: save time for resume | |
1292 | ||
aa1f7284 | 1293 | Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors |
1294 | */ | |
ef79bbde | 1295 | |
9f8b032d | 1296 | StopCdda(); |
1297 | StopReading(); | |
9f8b032d | 1298 | break; |
1299 | ||
1300 | case CdlReset: | |
94c118c3 | 1301 | case CdlInit: |
39df67df | 1302 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1303 | StopCdda(); |
1304 | StopReading(); | |
94c118c3 | 1305 | break; |
9f8b032d | 1306 | |
94c118c3 | 1307 | case CdlMute: |
1308 | cdr.Muted = TRUE; | |
9f8b032d | 1309 | // Duke Nukem - Time to Kill |
1310 | // - do not directly set cd-xa volume | |
1311 | //SPU_writeRegister( H_CDLeft, 0x0000 ); | |
1312 | //SPU_writeRegister( H_CDRight, 0x0000 ); | |
94c118c3 | 1313 | break; |
ef79bbde | 1314 | |
94c118c3 | 1315 | case CdlDemute: |
1316 | cdr.Muted = FALSE; | |
9f8b032d | 1317 | |
1318 | // Duke Nukem - Time to Kill | |
1319 | // - do not directly set cd-xa volume | |
1320 | //SPU_writeRegister( H_CDLeft, 0x7f00 ); | |
1321 | //SPU_writeRegister( H_CDRight, 0x7f00 ); | |
94c118c3 | 1322 | break; |
ef79bbde P |
1323 | |
1324 | case CdlSetfilter: | |
1325 | cdr.File = cdr.Param[0]; | |
1326 | cdr.Channel = cdr.Param[1]; | |
ef79bbde P |
1327 | break; |
1328 | ||
1329 | case CdlSetmode: | |
9f8b032d | 1330 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1331 | |
ef79bbde | 1332 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1333 | |
1334 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1335 | // - fixes choppy movie sound | |
1336 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1337 | StopCdda(); | |
ef79bbde P |
1338 | break; |
1339 | ||
ef79bbde | 1340 | case CdlGetTN: |
9f8b032d | 1341 | //AddIrqQueue(cdr.Cmd, 0x800); |
1342 | ||
1343 | // GameShark CDX CD Player: very long time | |
1344 | AddIrqQueue(cdr.Cmd, 0x100000); | |
1345 | break; | |
ef79bbde | 1346 | |
ef79bbde | 1347 | case CdlSeekL: |
ef79bbde | 1348 | case CdlSeekP: |
9f8b032d | 1349 | // Tomb Raider 2 - reset cdda |
1350 | StopCdda(); | |
1351 | StopReading(); | |
9f8b032d | 1352 | break; |
1353 | ||
ef79bbde | 1354 | case CdlReadS: |
9f8b032d | 1355 | StopReading(); |
94c118c3 | 1356 | cdr.Reading = 2; |
1357 | cdr.FirstSector = 1; | |
1358 | cdr.Readed = 0xff; | |
9f8b032d | 1359 | break; |
ef79bbde | 1360 | |
94c118c3 | 1361 | default: |
2daaaae3 | 1362 | cdr.ParamC = 0; |
8b380e97 | 1363 | CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd); |
9f8b032d | 1364 | return; |
1365 | } | |
ef79bbde P |
1366 | } |
1367 | ||
1368 | unsigned char cdrRead2(void) { | |
1369 | unsigned char ret; | |
1370 | ||
1371 | if (cdr.Readed == 0) { | |
1372 | ret = 0; | |
1373 | } else { | |
8e1040b6 | 1374 | ret = *pTransfer++; |
ef79bbde P |
1375 | } |
1376 | ||
8b380e97 | 1377 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1378 | return ret; |
1379 | } | |
1380 | ||
1381 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1382 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1383 | |
94c118c3 | 1384 | switch (cdr.Ctrl & 3) { |
1385 | case 0: | |
1386 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1387 | cdr.Param[cdr.ParamC++] = rt; | |
1388 | return; | |
1389 | case 1: | |
1390 | cdr.Reg2 = rt; | |
1391 | setIrq(); | |
1392 | return; | |
1393 | case 2: | |
53598a71 | 1394 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1395 | return; |
1396 | case 3: | |
53598a71 | 1397 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1398 | return; |
ef79bbde P |
1399 | } |
1400 | } | |
1401 | ||
1402 | unsigned char cdrRead3(void) { | |
94c118c3 | 1403 | if (cdr.Ctrl & 0x1) |
1404 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1405 | else | |
1406 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1407 | |
1408 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1409 | return psxHu8(0x1803); |
1410 | } | |
1411 | ||
1412 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1413 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1414 | |
94c118c3 | 1415 | switch (cdr.Ctrl & 3) { |
1416 | case 0: | |
a34a2445 | 1417 | break; // transfer |
94c118c3 | 1418 | case 1: |
a34a2445 | 1419 | cdr.Stat &= ~rt; |
1420 | ||
1421 | if (rt & 0x40) | |
1422 | cdr.ParamC = 0; | |
1423 | return; | |
94c118c3 | 1424 | case 2: |
53598a71 | 1425 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1426 | return; |
1427 | case 3: | |
53598a71 | 1428 | if (rt & 0x20) { |
1429 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1430 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1431 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1432 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1433 | } | |
94c118c3 | 1434 | return; |
9f8b032d | 1435 | } |
056d6759 | 1436 | |
94c118c3 | 1437 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1438 | cdr.Readed = 1; |
8e1040b6 | 1439 | pTransfer = cdr.Transfer; |
ef79bbde P |
1440 | |
1441 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1442 | case MODE_SIZE_2328: |
ef79bbde | 1443 | case 0x00: |
8e1040b6 | 1444 | pTransfer += 12; |
ef79bbde | 1445 | break; |
9f8b032d | 1446 | |
1447 | case MODE_SIZE_2340: | |
8e1040b6 | 1448 | pTransfer += 0; |
9f8b032d | 1449 | break; |
1450 | ||
ef79bbde P |
1451 | default: |
1452 | break; | |
1453 | } | |
1454 | } | |
1455 | } | |
1456 | ||
1457 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1458 | u32 cdsize; | |
c7071c43 | 1459 | int size; |
ef79bbde P |
1460 | u8 *ptr; |
1461 | ||
ef79bbde | 1462 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1463 | |
1464 | switch (chcr) { | |
1465 | case 0x11000000: | |
1466 | case 0x11400100: | |
1467 | if (cdr.Readed == 0) { | |
ef79bbde | 1468 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1469 | break; |
1470 | } | |
1471 | ||
1472 | cdsize = (bcr & 0xffff) * 4; | |
1473 | ||
9f8b032d | 1474 | // Ape Escape: bcr = 0001 / 0000 |
1475 | // - fix boot | |
1476 | if( cdsize == 0 ) | |
1477 | { | |
cd0c9f5b | 1478 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1479 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1480 | case MODE_SIZE_2328: cdsize = 2328; break; |
1481 | default: | |
1482 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1483 | } |
1484 | } | |
1485 | ||
1486 | ||
ef79bbde P |
1487 | ptr = (u8 *)PSXM(madr); |
1488 | if (ptr == NULL) { | |
ef79bbde | 1489 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1490 | break; |
1491 | } | |
9f8b032d | 1492 | |
1493 | /* | |
1494 | GS CDX: Enhancement CD crash | |
1495 | - Setloc 0:0:0 | |
1496 | - CdlPlay | |
1497 | - Spams DMA3 and gets buffer overrun | |
1498 | */ | |
8e1040b6 | 1499 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1500 | if (size > cdsize) |
1501 | size = cdsize; | |
1502 | if (size > 0) | |
9f8b032d | 1503 | { |
8e1040b6 | 1504 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1505 | } |
1506 | ||
ef79bbde | 1507 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1508 | pTransfer += cdsize; |
9f8b032d | 1509 | |
1510 | ||
1511 | // burst vs normal | |
1512 | if( chcr == 0x11400100 ) { | |
1513 | CDRDMA_INT( (cdsize/4) / 4 ); | |
1514 | } | |
1515 | else if( chcr == 0x11000000 ) { | |
1516 | CDRDMA_INT( (cdsize/4) * 1 ); | |
1517 | } | |
1518 | return; | |
1519 | ||
ef79bbde | 1520 | default: |
ef79bbde | 1521 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1522 | break; |
1523 | } | |
1524 | ||
1525 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1526 | DMA_INTERRUPT(3); | |
1527 | } | |
1528 | ||
9f8b032d | 1529 | void cdrDmaInterrupt() |
1530 | { | |
ad418c19 | 1531 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1532 | { | |
1533 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1534 | DMA_INTERRUPT(3); | |
1535 | } | |
9f8b032d | 1536 | } |
1537 | ||
fffad32e | 1538 | static void getCdInfo(void) |
1539 | { | |
1540 | u8 tmp; | |
1541 | ||
1542 | CDR_getTN(cdr.ResultTN); | |
1543 | CDR_getTD(0, cdr.SetSectorEnd); | |
1544 | tmp = cdr.SetSectorEnd[0]; | |
1545 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1546 | cdr.SetSectorEnd[2] = tmp; | |
1547 | } | |
1548 | ||
ef79bbde P |
1549 | void cdrReset() { |
1550 | memset(&cdr, 0, sizeof(cdr)); | |
1551 | cdr.CurTrack = 1; | |
1552 | cdr.File = 1; | |
1553 | cdr.Channel = 1; | |
a2d3ccb8 | 1554 | cdr.Reg2 = 0x1f; |
1555 | cdr.Stat = NoIntr; | |
80f91a20 | 1556 | cdr.DriveState = DRIVESTATE_STANDBY; |
8e1040b6 | 1557 | pTransfer = cdr.Transfer; |
056d6759 | 1558 | |
1559 | // BIOS player - default values | |
53598a71 | 1560 | cdr.AttenuatorLeftToLeft = 0x80; |
1561 | cdr.AttenuatorLeftToRight = 0x00; | |
1562 | cdr.AttenuatorRightToLeft = 0x00; | |
1563 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1564 | |
1565 | getCdInfo(); | |
ef79bbde P |
1566 | } |
1567 | ||
496d88d4 | 1568 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1569 | u32 tmp; |
fffad32e | 1570 | u8 tmpp[3]; |
ef79bbde | 1571 | |
fffad32e | 1572 | if (Mode == 0 && !Config.Cdda) |
1573 | CDR_stop(); | |
9f8b032d | 1574 | |
c69642c8 | 1575 | cdr.freeze_ver = 0x63647201; |
9f8b032d | 1576 | gzfreeze(&cdr, sizeof(cdr)); |
1577 | ||
94c118c3 | 1578 | if (Mode == 1) { |
1579 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1580 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1581 | } |
ef79bbde P |
1582 | |
1583 | gzfreeze(&tmp, sizeof(tmp)); | |
1584 | ||
42f3c512 | 1585 | if (Mode == 0) { |
fffad32e | 1586 | getCdInfo(); |
1587 | ||
8e1040b6 | 1588 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1589 | |
fffad32e | 1590 | // read right sub data |
1591 | memcpy(tmpp, cdr.Prev, 3); | |
1592 | cdr.Prev[0]++; | |
73b29eeb | 1593 | ReadTrack(tmpp); |
fffad32e | 1594 | |
1595 | if (cdr.Play) { | |
1596 | Find_CurTrack(cdr.SetSectorPlay); | |
1597 | if (!Config.Cdda) | |
1598 | CDR_play(cdr.SetSectorPlay); | |
1599 | } | |
c69642c8 | 1600 | |
1601 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1602 | // old versions did not latch Reg2, have to fixup.. | |
1603 | if (cdr.Reg2 == 0) { | |
1604 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1605 | cdr.Reg2 = 7; | |
1606 | } | |
1607 | } | |
42f3c512 | 1608 | } |
1609 | ||
ef79bbde P |
1610 | return 0; |
1611 | } | |
9f8b032d | 1612 | |
1613 | void LidInterrupt() { | |
fffad32e | 1614 | getCdInfo(); |
fffad32e | 1615 | StopCdda(); |
80f91a20 | 1616 | cdrLidSeekInterrupt(); |
9f8b032d | 1617 | } |