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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
22bbabf6 | 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
18 | ***************************************************************************/ |
19 | ||
22bbabf6 | 20 | /* |
ef79bbde P |
21 | * Handles all CD-ROM registers and functions. |
22 | */ | |
23 | ||
24 | #include "cdrom.h" | |
25 | #include "ppf.h" | |
9f8b032d | 26 | #include "psxdma.h" |
8f2bb0cb | 27 | #include "arm_features.h" |
ef79bbde | 28 | |
8b380e97 | 29 | /* logging */ |
30 | #if 0 | |
31 | #define CDR_LOG SysPrintf | |
32 | #else | |
33 | #define CDR_LOG(...) | |
34 | #endif | |
35 | #if 0 | |
36 | #define CDR_LOG_I SysPrintf | |
37 | #else | |
7df2c03c | 38 | #define CDR_LOG_I log_unhandled |
8b380e97 | 39 | #endif |
40 | #if 0 | |
41 | #define CDR_LOG_IO SysPrintf | |
42 | #else | |
43 | #define CDR_LOG_IO(...) | |
44 | #endif | |
45 | //#define CDR_LOG_CMD_IRQ | |
46 | ||
e7acd858 | 47 | static struct { |
5c96969c | 48 | // unused members maintain savesate compatibility |
49 | unsigned char unused0; | |
50 | unsigned char unused1; | |
e7acd858 | 51 | unsigned char Reg2; |
5c96969c | 52 | unsigned char unused2; |
e7acd858 | 53 | unsigned char Ctrl; |
54 | unsigned char Stat; | |
55 | ||
56 | unsigned char StatP; | |
57 | ||
58 | unsigned char Transfer[DATA_SIZE]; | |
59 | struct { | |
60 | unsigned char Track; | |
61 | unsigned char Index; | |
62 | unsigned char Relative[3]; | |
63 | unsigned char Absolute[3]; | |
64 | } subq; | |
65 | unsigned char TrackChanged; | |
5c96969c | 66 | unsigned char unused3[3]; |
e7acd858 | 67 | unsigned int freeze_ver; |
68 | ||
69 | unsigned char Prev[4]; | |
70 | unsigned char Param[8]; | |
71 | unsigned char Result[16]; | |
72 | ||
73 | unsigned char ParamC; | |
74 | unsigned char ParamP; | |
75 | unsigned char ResultC; | |
76 | unsigned char ResultP; | |
77 | unsigned char ResultReady; | |
78 | unsigned char Cmd; | |
e411faef | 79 | unsigned char unused4; |
e7acd858 | 80 | unsigned char SetlocPending; |
81 | u32 Reading; | |
82 | ||
83 | unsigned char ResultTN[6]; | |
84 | unsigned char ResultTD[4]; | |
85 | unsigned char SetSectorPlay[4]; | |
86 | unsigned char SetSectorEnd[4]; | |
87 | unsigned char SetSector[4]; | |
88 | unsigned char Track; | |
89 | boolean Play, Muted; | |
90 | int CurTrack; | |
91 | int Mode, File, Channel; | |
92 | int Reset; | |
93 | int NoErr; | |
94 | int FirstSector; | |
95 | ||
96 | xa_decode_t Xa; | |
97 | ||
e411faef | 98 | u16 FifoOffset; |
99 | u16 FifoSize; | |
e7acd858 | 100 | |
5c96969c | 101 | u16 CmdInProgress; |
f55c59b7 | 102 | u8 Irq1Pending; |
103 | u8 unused5; | |
5c96969c | 104 | u32 unused6; |
e7acd858 | 105 | |
5c96969c | 106 | u8 unused7; |
e7acd858 | 107 | |
108 | u8 DriveState; | |
109 | u8 FastForward; | |
110 | u8 FastBackward; | |
5c96969c | 111 | u8 unused8; |
e7acd858 | 112 | |
113 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
114 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
115 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
116 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
117 | } cdr; | |
66425c25 | 118 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
119 | |
120 | /* CD-ROM magic numbers */ | |
2e88c317 | 121 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
122 | #define CdlNop 1 |
123 | #define CdlSetloc 2 | |
124 | #define CdlPlay 3 | |
125 | #define CdlForward 4 | |
126 | #define CdlBackward 5 | |
127 | #define CdlReadN 6 | |
128 | #define CdlStandby 7 | |
129 | #define CdlStop 8 | |
130 | #define CdlPause 9 | |
8399ca33 | 131 | #define CdlReset 10 |
ef79bbde P |
132 | #define CdlMute 11 |
133 | #define CdlDemute 12 | |
134 | #define CdlSetfilter 13 | |
135 | #define CdlSetmode 14 | |
95465b97 | 136 | #define CdlGetparam 15 |
ef79bbde P |
137 | #define CdlGetlocL 16 |
138 | #define CdlGetlocP 17 | |
139 | #define CdlReadT 18 | |
140 | #define CdlGetTN 19 | |
141 | #define CdlGetTD 20 | |
142 | #define CdlSeekL 21 | |
143 | #define CdlSeekP 22 | |
144 | #define CdlSetclock 23 | |
145 | #define CdlGetclock 24 | |
146 | #define CdlTest 25 | |
147 | #define CdlID 26 | |
148 | #define CdlReadS 27 | |
8399ca33 | 149 | #define CdlInit 28 |
e4268a49 | 150 | #define CdlGetQ 29 |
ef79bbde P |
151 | #define CdlReadToc 30 |
152 | ||
e7acd858 | 153 | #ifdef CDR_LOG_CMD_IRQ |
154 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
155 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
156 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
2e88c317 | 157 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
95465b97 | 158 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
159 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
160 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
161 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
2e88c317 | 162 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 163 | }; |
e7acd858 | 164 | #endif |
ef79bbde P |
165 | |
166 | unsigned char Test04[] = { 0 }; | |
167 | unsigned char Test05[] = { 0 }; | |
168 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
169 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
170 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
171 | ||
9f8b032d | 172 | // cdr.Stat: |
173 | #define NoIntr 0 | |
174 | #define DataReady 1 | |
175 | #define Complete 2 | |
176 | #define Acknowledge 3 | |
177 | #define DataEnd 4 | |
178 | #define DiskError 5 | |
179 | ||
180 | /* Modes flags */ | |
181 | #define MODE_SPEED (1<<7) // 0x80 | |
182 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
183 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
184 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 185 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 186 | #define MODE_SF (1<<3) // 0x08 channel on/off |
187 | #define MODE_REPORT (1<<2) // 0x04 | |
188 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
189 | #define MODE_CDDA (1<<0) // 0x01 | |
190 | ||
191 | /* Status flags */ | |
192 | #define STATUS_PLAY (1<<7) // 0x80 | |
193 | #define STATUS_SEEK (1<<6) // 0x40 | |
194 | #define STATUS_READ (1<<5) // 0x20 | |
195 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
196 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
197 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
198 | #define STATUS_ROTATING (1<<1) // 0x02 | |
199 | #define STATUS_ERROR (1<<0) // 0x01 | |
200 | ||
e4268a49 | 201 | /* Errors */ |
003cfc63 | 202 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 203 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
204 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 205 | |
ef79bbde P |
206 | // 1x = 75 sectors per second |
207 | // PSXCLK = 1 sec in the ps | |
208 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
209 | #define cdReadTime (PSXCLK / 75) | |
210 | ||
80f91a20 | 211 | enum drive_state { |
05e5c298 | 212 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 213 | DRIVESTATE_LID_OPEN, |
214 | DRIVESTATE_RESCAN_CD, | |
215 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 216 | DRIVESTATE_STOPPED, |
80f91a20 | 217 | }; |
218 | ||
ef79bbde | 219 | static struct CdrStat stat; |
ef79bbde | 220 | |
fffad32e | 221 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 222 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
223 | } | |
224 | ||
fffad32e | 225 | // for that weird psemu API.. |
226 | static unsigned int fsm2sec(const u8 *msf) { | |
227 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
228 | } | |
229 | ||
305c8c93 | 230 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 231 | msf[0] = s / 75 / 60; |
232 | s = s - msf[0] * 75 * 60; | |
233 | msf[1] = s / 75; | |
234 | s = s - msf[1] * 75; | |
235 | msf[2] = s; | |
236 | } | |
237 | ||
39df67df | 238 | // cdrInterrupt |
ef79bbde | 239 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 240 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
241 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
242 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
243 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 244 | } |
ef79bbde | 245 | |
28eea6ac | 246 | // cdrPlaySeekReadInterrupt |
9a1338bc | 247 | #define CDRPLAYSEEKREAD_INT(eCycle, isFirst) { \ |
248 | u32 e_ = eCycle; \ | |
d28b54b1 | 249 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
9a1338bc | 250 | if (isFirst) \ |
251 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
252 | else \ | |
253 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
254 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
255 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 256 | } |
ef79bbde | 257 | |
39df67df | 258 | // cdrLidSeekInterrupt |
9f8b032d | 259 | #define CDRLID_INT(eCycle) { \ |
260 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
261 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
262 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
263 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
264 | } | |
265 | ||
ef79bbde | 266 | #define StopReading() { \ |
05e5c298 | 267 | cdr.Reading = 0; \ |
268 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
269 | } |
270 | ||
271 | #define StopCdda() { \ | |
05e5c298 | 272 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
273 | cdr.Play = FALSE; \ | |
274 | cdr.FastForward = 0; \ | |
275 | cdr.FastBackward = 0; \ | |
276 | } | |
277 | ||
278 | #define SetPlaySeekRead(x, f) { \ | |
279 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
280 | x |= f; \ | |
ef79bbde P |
281 | } |
282 | ||
283 | #define SetResultSize(size) { \ | |
94c118c3 | 284 | cdr.ResultP = 0; \ |
ef79bbde P |
285 | cdr.ResultC = size; \ |
286 | cdr.ResultReady = 1; \ | |
287 | } | |
288 | ||
e7acd858 | 289 | static void setIrq(int log_cmd) |
94c118c3 | 290 | { |
291 | if (cdr.Stat & cdr.Reg2) | |
292 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
e7acd858 | 293 | |
294 | #ifdef CDR_LOG_CMD_IRQ | |
5c96969c | 295 | if (cdr.Stat) |
e7acd858 | 296 | { |
297 | int i; | |
cf55f16a | 298 | SysPrintf("%u cdrom: CDR IRQ=%d cmd %02x stat %02x: ", |
299 | psxRegs.cycle, !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
e7acd858 | 300 | for (i = 0; i < cdr.ResultC; i++) |
301 | SysPrintf("%02x ", cdr.Result[i]); | |
302 | SysPrintf("\n"); | |
303 | } | |
304 | #endif | |
94c118c3 | 305 | } |
9f8b032d | 306 | |
80f91a20 | 307 | // timing used in this function was taken from tests on real hardware |
308 | // (yes it's slow, but you probably don't want to modify it) | |
28eea6ac | 309 | void cdrLidSeekInterrupt(void) |
9f8b032d | 310 | { |
80f91a20 | 311 | switch (cdr.DriveState) { |
312 | default: | |
313 | case DRIVESTATE_STANDBY: | |
05e5c298 | 314 | StopCdda(); |
315 | StopReading(); | |
316 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 317 | |
80f91a20 | 318 | if (CDR_getStatus(&stat) == -1) |
319 | return; | |
9f8b032d | 320 | |
80f91a20 | 321 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 322 | { |
80f91a20 | 323 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
324 | CDRLID_INT(0x800); | |
325 | } | |
326 | break; | |
9f8b032d | 327 | |
80f91a20 | 328 | case DRIVESTATE_LID_OPEN: |
329 | if (CDR_getStatus(&stat) == -1) | |
330 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 331 | |
80f91a20 | 332 | // 02, 12, 10 |
333 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 334 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 335 | |
80f91a20 | 336 | // could generate error irq here, but real hardware |
337 | // only sometimes does that | |
338 | // (not done when lots of commands are sent?) | |
9f8b032d | 339 | |
80f91a20 | 340 | CDRLID_INT(cdReadTime * 30); |
341 | break; | |
9f8b032d | 342 | } |
80f91a20 | 343 | else if (cdr.StatP & STATUS_ROTATING) { |
344 | cdr.StatP &= ~STATUS_ROTATING; | |
345 | } | |
346 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
347 | // closed now | |
348 | CheckCdrom(); | |
9f8b032d | 349 | |
80f91a20 | 350 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
351 | // and is only cleared by CdlNop | |
9f8b032d | 352 | |
80f91a20 | 353 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
354 | CDRLID_INT(cdReadTime * 105); | |
355 | break; | |
356 | } | |
9f8b032d | 357 | |
80f91a20 | 358 | // recheck for close |
359 | CDRLID_INT(cdReadTime * 3); | |
360 | break; | |
9f8b032d | 361 | |
80f91a20 | 362 | case DRIVESTATE_RESCAN_CD: |
363 | cdr.StatP |= STATUS_ROTATING; | |
364 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 365 | |
80f91a20 | 366 | // this is very long on real hardware, over 6 seconds |
367 | // make it a bit faster here... | |
368 | CDRLID_INT(cdReadTime * 150); | |
369 | break; | |
9f8b032d | 370 | |
80f91a20 | 371 | case DRIVESTATE_PREPARE_CD: |
372 | cdr.StatP |= STATUS_SEEK; | |
9f8b032d | 373 | |
80f91a20 | 374 | cdr.DriveState = DRIVESTATE_STANDBY; |
375 | CDRLID_INT(cdReadTime * 26); | |
376 | break; | |
9f8b032d | 377 | } |
378 | } | |
379 | ||
fffad32e | 380 | static void Find_CurTrack(const u8 *time) |
381 | { | |
382 | int current, sect; | |
9f8b032d | 383 | |
fffad32e | 384 | current = msf2sec(time); |
9f8b032d | 385 | |
fffad32e | 386 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
387 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
388 | sect = fsm2sec(cdr.ResultTD); | |
389 | if (sect - current >= 150) | |
9f8b032d | 390 | break; |
9f8b032d | 391 | } |
392 | } | |
393 | ||
73b29eeb | 394 | static void generate_subq(const u8 *time) |
395 | { | |
396 | unsigned char start[3], next[3]; | |
397 | unsigned int this_s, start_s, next_s, pregap; | |
398 | int relative_s; | |
399 | ||
400 | CDR_getTD(cdr.CurTrack, start); | |
401 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
402 | pregap = 150; | |
403 | CDR_getTD(cdr.CurTrack + 1, next); | |
404 | } | |
405 | else { | |
406 | // last track - cd size | |
407 | pregap = 0; | |
408 | next[0] = cdr.SetSectorEnd[2]; | |
409 | next[1] = cdr.SetSectorEnd[1]; | |
410 | next[2] = cdr.SetSectorEnd[0]; | |
411 | } | |
412 | ||
413 | this_s = msf2sec(time); | |
414 | start_s = fsm2sec(start); | |
415 | next_s = fsm2sec(next); | |
416 | ||
417 | cdr.TrackChanged = FALSE; | |
418 | ||
419 | if (next_s - this_s < pregap) { | |
420 | cdr.TrackChanged = TRUE; | |
421 | cdr.CurTrack++; | |
422 | start_s = next_s; | |
423 | } | |
424 | ||
425 | cdr.subq.Index = 1; | |
426 | ||
427 | relative_s = this_s - start_s; | |
428 | if (relative_s < 0) { | |
429 | cdr.subq.Index = 0; | |
430 | relative_s = -relative_s; | |
431 | } | |
432 | sec2msf(relative_s, cdr.subq.Relative); | |
433 | ||
434 | cdr.subq.Track = itob(cdr.CurTrack); | |
435 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
436 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
437 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
438 | cdr.subq.Absolute[0] = itob(time[0]); | |
439 | cdr.subq.Absolute[1] = itob(time[1]); | |
440 | cdr.subq.Absolute[2] = itob(time[2]); | |
441 | } | |
442 | ||
443 | static void ReadTrack(const u8 *time) { | |
fffad32e | 444 | unsigned char tmp[3]; |
445 | struct SubQ *subq; | |
446 | u16 crc; | |
ef79bbde | 447 | |
fffad32e | 448 | tmp[0] = itob(time[0]); |
449 | tmp[1] = itob(time[1]); | |
450 | tmp[2] = itob(time[2]); | |
ef79bbde | 451 | |
fffad32e | 452 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
453 | return; | |
39df67df | 454 | |
fffad32e | 455 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 456 | |
6087d7e7 | 457 | cdr.NoErr = CDR_readTrack(tmp); |
fffad32e | 458 | memcpy(cdr.Prev, tmp, 3); |
9f8b032d | 459 | |
fffad32e | 460 | if (CheckSBI(time)) |
461 | return; | |
9f8b032d | 462 | |
fffad32e | 463 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 464 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 465 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 466 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 467 | cdr.subq.Track = subq->TrackNumber; |
468 | cdr.subq.Index = subq->IndexNumber; | |
469 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
470 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 471 | } |
92ca1ba6 | 472 | else { |
73b29eeb | 473 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 474 | tmp[0], tmp[1], tmp[2]); |
475 | } | |
9f8b032d | 476 | } |
fffad32e | 477 | else { |
73b29eeb | 478 | generate_subq(time); |
9f8b032d | 479 | } |
9f8b032d | 480 | |
fffad32e | 481 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
482 | cdr.subq.Track, cdr.subq.Index, | |
483 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
484 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
485 | } | |
9f8b032d | 486 | |
7f457614 | 487 | static void cdrPlayInterrupt_Autopause() |
488 | { | |
66425c25 | 489 | u32 abs_lev_max = 0; |
490 | boolean abs_lev_chselect; | |
491 | u32 i; | |
492 | ||
fffad32e | 493 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 494 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 495 | |
496 | // Magic the Gathering | |
497 | // - looping territory cdda | |
498 | ||
499 | // ...? | |
500 | //cdr.ResultReady = 1; | |
501 | //cdr.Stat = DataReady; | |
502 | cdr.Stat = DataEnd; | |
e7acd858 | 503 | setIrq(0x200); |
7f457614 | 504 | |
505 | StopCdda(); | |
05e5c298 | 506 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 507 | } |
d2e271b2 | 508 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 509 | cdr.Result[0] = cdr.StatP; |
510 | cdr.Result[1] = cdr.subq.Track; | |
511 | cdr.Result[2] = cdr.subq.Index; | |
66425c25 | 512 | |
513 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
514 | ||
515 | /* 8 is a hack. For accuracy, it should be 588. */ | |
516 | for (i = 0; i < 8; i++) | |
517 | { | |
518 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
519 | } | |
520 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
521 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 522 | |
fffad32e | 523 | if (cdr.subq.Absolute[2] & 0x10) { |
524 | cdr.Result[3] = cdr.subq.Relative[0]; | |
525 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
526 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 527 | } |
fffad32e | 528 | else { |
529 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
530 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
531 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
532 | } | |
533 | ||
66425c25 | 534 | cdr.Result[6] = abs_lev_max >> 0; |
535 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 536 | |
537 | // Rayman: Logo freeze (resultready + dataready) | |
538 | cdr.ResultReady = 1; | |
539 | cdr.Stat = DataReady; | |
540 | ||
541 | SetResultSize(8); | |
e7acd858 | 542 | setIrq(0x201); |
7f457614 | 543 | } |
544 | } | |
545 | ||
05e5c298 | 546 | static int cdrSeekTime(unsigned char *target) |
547 | { | |
1290ebe4 | 548 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
549 | int seekTime = abs(diff) * (cdReadTime / 200); | |
05e5c298 | 550 | /* |
551 | * Gameblabla : | |
552 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
553 | * and was unreliable for that game. | |
554 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
555 | * | |
556 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
557 | * Games to test this against if you change that setting : | |
558 | * - Driver (titlescreen music delay and retry mission) | |
559 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
560 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
561 | * | |
562 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
563 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
564 | */ | |
565 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
566 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
567 | return seekTime; | |
568 | } | |
569 | ||
4d384ca8 | 570 | static void cdrUpdateTransferBuf(const u8 *buf); |
28eea6ac | 571 | static void cdrReadInterrupt(void); |
3e629be9 | 572 | static void cdrPrepCdda(s16 *buf, int samples); |
573 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
28eea6ac | 574 | |
575 | void cdrPlaySeekReadInterrupt(void) | |
7f457614 | 576 | { |
28eea6ac | 577 | if (cdr.Reading) { |
578 | cdrReadInterrupt(); | |
579 | return; | |
580 | } | |
581 | ||
582 | if (!cdr.Play && (cdr.StatP & STATUS_SEEK)) { | |
e7e33ef2 | 583 | if (cdr.Stat) { |
8b380e97 | 584 | CDR_LOG_I("cdrom: seek stat hack\n"); |
9a1338bc | 585 | CDRPLAYSEEKREAD_INT(0x1000, 1); |
e7e33ef2 | 586 | return; |
587 | } | |
39df67df | 588 | SetResultSize(1); |
589 | cdr.StatP |= STATUS_ROTATING; | |
28eea6ac | 590 | SetPlaySeekRead(cdr.StatP, 0); |
39df67df | 591 | cdr.Result[0] = cdr.StatP; |
f55c59b7 | 592 | cdr.Stat = Complete; |
593 | setIrq(0x202); | |
39df67df | 594 | |
fffad32e | 595 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 596 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 597 | cdr.TrackChanged = FALSE; |
28eea6ac | 598 | return; |
39df67df | 599 | } |
600 | ||
601 | if (!cdr.Play) return; | |
7f457614 | 602 | |
7f457614 | 603 | CDR_LOG( "CDDA - %d:%d:%d\n", |
604 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 605 | |
28eea6ac | 606 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 607 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
608 | StopCdda(); | |
05e5c298 | 609 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 610 | cdr.TrackChanged = TRUE; |
611 | } | |
084b0f31 | 612 | else { |
613 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
614 | } | |
7f457614 | 615 | |
5c96969c | 616 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 617 | cdrPlayInterrupt_Autopause(); |
618 | ||
cdaef86c | 619 | if (!cdr.Muted && !Config.Cdda) { |
3e629be9 | 620 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
66425c25 | 621 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
cdaef86c | 622 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
623 | cdr.FirstSector = 0; | |
66425c25 | 624 | } |
fffad32e | 625 | |
7f457614 | 626 | cdr.SetSectorPlay[2]++; |
627 | if (cdr.SetSectorPlay[2] == 75) { | |
628 | cdr.SetSectorPlay[2] = 0; | |
629 | cdr.SetSectorPlay[1]++; | |
630 | if (cdr.SetSectorPlay[1] == 60) { | |
631 | cdr.SetSectorPlay[1] = 0; | |
632 | cdr.SetSectorPlay[0]++; | |
633 | } | |
634 | } | |
635 | ||
fffad32e | 636 | // update for CdlGetlocP/autopause |
73b29eeb | 637 | generate_subq(cdr.SetSectorPlay); |
f55c59b7 | 638 | |
639 | CDRPLAYSEEKREAD_INT(cdReadTime, 0); | |
7f457614 | 640 | } |
641 | ||
28eea6ac | 642 | void cdrInterrupt(void) { |
e4268a49 | 643 | int no_busy_error = 0; |
644 | int start_rotating = 0; | |
645 | int error = 0; | |
fbf19ce6 | 646 | unsigned int seekTime = 0; |
5c96969c | 647 | u32 second_resp_time = 0; |
648 | u8 ParamC; | |
115d0459 | 649 | u8 set_loc[3]; |
5c96969c | 650 | u16 Cmd; |
115d0459 | 651 | int i; |
ef79bbde P |
652 | |
653 | if (cdr.Stat) { | |
cf55f16a | 654 | CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n", |
655 | psxRegs.cycle, cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
656 | return; |
657 | } | |
4d384ca8 | 658 | if (cdr.Irq1Pending) { |
659 | // hand out the "newest" sector, according to nocash | |
660 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
661 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
662 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
663 | SetResultSize(1); | |
664 | cdr.Result[0] = cdr.Irq1Pending; | |
665 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
666 | cdr.Irq1Pending = 0; | |
667 | setIrq(0x205); | |
668 | return; | |
669 | } | |
ef79bbde | 670 | |
ef79bbde P |
671 | cdr.Ctrl &= ~0x80; |
672 | ||
e4268a49 | 673 | // default response |
674 | SetResultSize(1); | |
675 | cdr.Result[0] = cdr.StatP; | |
676 | cdr.Stat = Acknowledge; | |
677 | ||
5c96969c | 678 | Cmd = cdr.CmdInProgress; |
679 | cdr.CmdInProgress = 0; | |
680 | ParamC = cdr.ParamC; | |
e4268a49 | 681 | |
5c96969c | 682 | if (Cmd < 0x100) { |
683 | cdr.Cmd = 0; | |
684 | cdr.ParamC = 0; | |
685 | } | |
e4268a49 | 686 | |
5c96969c | 687 | switch (Cmd) { |
ef79bbde | 688 | case CdlNop: |
80f91a20 | 689 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
690 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 691 | no_busy_error = 1; |
ef79bbde P |
692 | break; |
693 | ||
694 | case CdlSetloc: | |
115d0459 | 695 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
696 | ||
697 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
698 | 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)) | |
699 | { | |
700 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
701 | error = ERROR_INVALIDARG; | |
702 | goto set_error; | |
703 | } | |
704 | else | |
705 | { | |
706 | for (i = 0; i < 3; i++) | |
115d0459 | 707 | set_loc[i] = btoi(cdr.Param[i]); |
115d0459 | 708 | memcpy(cdr.SetSector, set_loc, 3); |
709 | cdr.SetSector[3] = 0; | |
710 | cdr.SetlocPending = 1; | |
711 | } | |
ef79bbde P |
712 | break; |
713 | ||
55b8460a | 714 | do_CdlPlay: |
ef79bbde | 715 | case CdlPlay: |
030bd76a | 716 | StopCdda(); |
05e5c298 | 717 | StopReading(); |
718 | ||
d2e271b2 | 719 | cdr.FastBackward = 0; |
720 | cdr.FastForward = 0; | |
721 | ||
2d5ca6c0 | 722 | // BIOS CD Player |
723 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
724 | ||
5c96969c | 725 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 726 | int track = btoi( cdr.Param[0] ); |
727 | ||
728 | if (track <= cdr.ResultTN[1]) | |
729 | cdr.CurTrack = track; | |
730 | ||
731 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
732 | ||
733 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
05e5c298 | 734 | for (i = 0; i < 3; i++) |
735 | set_loc[i] = cdr.ResultTD[2 - i]; | |
736 | seekTime = cdrSeekTime(set_loc); | |
737 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 738 | } |
739 | } | |
05e5c298 | 740 | else if (cdr.SetlocPending) { |
741 | seekTime = cdrSeekTime(cdr.SetSector); | |
742 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
743 | } | |
744 | else { | |
745 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
746 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
747 | } | |
748 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 749 | |
9f8b032d | 750 | /* |
751 | Rayman: detect track changes | |
752 | - fixes logo freeze | |
753 | ||
754 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
755 | - plays tracks without retry play | |
756 | ||
757 | Wild 9: skip PREGAP + starting accurate SubQ | |
758 | - plays tracks without retry play | |
759 | */ | |
fffad32e | 760 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 761 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 762 | cdr.TrackChanged = FALSE; |
cdaef86c | 763 | cdr.FirstSector = 1; |
9f8b032d | 764 | |
2d5ca6c0 | 765 | if (!Config.Cdda) |
2e88c317 | 766 | CDR_play(cdr.SetSectorPlay); |
9f8b032d | 767 | |
05e5c298 | 768 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 769 | |
770 | // BIOS player - set flag again | |
771 | cdr.Play = TRUE; | |
772 | ||
9a1338bc | 773 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 774 | start_rotating = 1; |
ef79bbde P |
775 | break; |
776 | ||
9f8b032d | 777 | case CdlForward: |
e4268a49 | 778 | // TODO: error 80 if stopped |
9f8b032d | 779 | cdr.Stat = Complete; |
2e88c317 | 780 | |
9f8b032d | 781 | // GameShark CD Player: Calls 2x + Play 2x |
d2e271b2 | 782 | cdr.FastForward = 1; |
9f8b032d | 783 | cdr.FastBackward = 0; |
ef79bbde P |
784 | break; |
785 | ||
9f8b032d | 786 | case CdlBackward: |
9f8b032d | 787 | cdr.Stat = Complete; |
788 | ||
9f8b032d | 789 | // GameShark CD Player: Calls 2x + Play 2x |
2e88c317 | 790 | cdr.FastBackward = 1; |
9f8b032d | 791 | cdr.FastForward = 0; |
ef79bbde P |
792 | break; |
793 | ||
9f8b032d | 794 | case CdlStandby: |
e4268a49 | 795 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
796 | error = ERROR_INVALIDARG; | |
797 | goto set_error; | |
798 | } | |
5c96969c | 799 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 800 | start_rotating = 1; |
801 | break; | |
802 | ||
803 | case CdlStandby + 0x100: | |
ef79bbde P |
804 | cdr.Stat = Complete; |
805 | break; | |
806 | ||
807 | case CdlStop: | |
030bd76a | 808 | if (cdr.Play) { |
809 | // grab time for current track | |
810 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
811 | ||
812 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
813 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
814 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
815 | } | |
816 | ||
817 | StopCdda(); | |
818 | StopReading(); | |
05e5c298 | 819 | SetPlaySeekRead(cdr.StatP, 0); |
820 | cdr.StatP &= ~STATUS_ROTATING; | |
030bd76a | 821 | |
5c96969c | 822 | second_resp_time = 0x800; |
e4268a49 | 823 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
5c96969c | 824 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 825 | |
826 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 827 | break; |
828 | ||
829 | case CdlStop + 0x100: | |
ef79bbde | 830 | cdr.Stat = Complete; |
ef79bbde P |
831 | break; |
832 | ||
833 | case CdlPause: | |
05e5c298 | 834 | StopCdda(); |
835 | StopReading(); | |
12228917 | 836 | /* |
837 | Gundam Battle Assault 2: much slower (*) | |
838 | - Fixes boot, gameplay | |
2e88c317 | 839 | |
12228917 | 840 | Hokuto no Ken 2: slower |
841 | - Fixes intro + subtitles | |
2e88c317 | 842 | |
12228917 | 843 | InuYasha - Feudal Fairy Tale: slower |
844 | - Fixes battles | |
845 | */ | |
62018a94 | 846 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
847 | * The timings from Duckstation are based upon hardware tests. | |
848 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
849 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
62018a94 | 850 | * */ |
05e5c298 | 851 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
62018a94 | 852 | { |
5c96969c | 853 | second_resp_time = 7000; |
62018a94 | 854 | } |
855 | else | |
856 | { | |
5c96969c | 857 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
62018a94 | 858 | } |
05e5c298 | 859 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
860 | cdr.Ctrl |= 0x80; |
861 | break; | |
862 | ||
e4268a49 | 863 | case CdlPause + 0x100: |
9f8b032d | 864 | cdr.Stat = Complete; |
ef79bbde P |
865 | break; |
866 | ||
8399ca33 | 867 | case CdlReset: |
05e5c298 | 868 | StopCdda(); |
869 | StopReading(); | |
870 | SetPlaySeekRead(cdr.StatP, 0); | |
8399ca33 | 871 | cdr.Muted = FALSE; |
2e88c317 | 872 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ |
5c96969c | 873 | second_resp_time = 4100000; |
e4268a49 | 874 | no_busy_error = 1; |
875 | start_rotating = 1; | |
876 | break; | |
877 | ||
8399ca33 | 878 | case CdlReset + 0x100: |
9f8b032d | 879 | cdr.Stat = Complete; |
ef79bbde P |
880 | break; |
881 | ||
9f8b032d | 882 | case CdlMute: |
030bd76a | 883 | cdr.Muted = TRUE; |
ef79bbde P |
884 | break; |
885 | ||
9f8b032d | 886 | case CdlDemute: |
030bd76a | 887 | cdr.Muted = FALSE; |
ef79bbde P |
888 | break; |
889 | ||
9f8b032d | 890 | case CdlSetfilter: |
030bd76a | 891 | cdr.File = cdr.Param[0]; |
892 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 893 | break; |
ef79bbde P |
894 | |
895 | case CdlSetmode: | |
5c96969c | 896 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
897 | cdr.Mode = cdr.Param[0]; | |
e4268a49 | 898 | no_busy_error = 1; |
9f8b032d | 899 | break; |
ef79bbde | 900 | |
95465b97 | 901 | case CdlGetparam: |
2e88c317 | 902 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
95465b97 | 903 | SetResultSize(5); |
9f8b032d | 904 | cdr.Result[1] = cdr.Mode; |
95465b97 | 905 | cdr.Result[2] = 0; |
906 | cdr.Result[3] = cdr.File; | |
907 | cdr.Result[4] = cdr.Channel; | |
e4268a49 | 908 | no_busy_error = 1; |
9f8b032d | 909 | break; |
ef79bbde | 910 | |
9f8b032d | 911 | case CdlGetlocL: |
ef79bbde | 912 | SetResultSize(8); |
e4268a49 | 913 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 914 | break; |
ef79bbde P |
915 | |
916 | case CdlGetlocP: | |
fffad32e | 917 | SetResultSize(8); |
918 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 919 | break; |
892bd7d4 | 920 | |
e4268a49 | 921 | case CdlReadT: // SetSession? |
922 | // really long | |
5c96969c | 923 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 924 | start_rotating = 1; |
925 | break; | |
926 | ||
927 | case CdlReadT + 0x100: | |
928 | cdr.Stat = Complete; | |
ef79bbde P |
929 | break; |
930 | ||
9f8b032d | 931 | case CdlGetTN: |
ef79bbde | 932 | SetResultSize(3); |
9f8b032d | 933 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 934 | cdr.Stat = DiskError; |
9f8b032d | 935 | cdr.Result[0] |= STATUS_ERROR; |
936 | } else { | |
937 | cdr.Stat = Acknowledge; | |
938 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
939 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
940 | } | |
941 | break; | |
ef79bbde | 942 | |
9f8b032d | 943 | case CdlGetTD: |
ef79bbde P |
944 | cdr.Track = btoi(cdr.Param[0]); |
945 | SetResultSize(4); | |
ef79bbde P |
946 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
947 | cdr.Stat = DiskError; | |
9f8b032d | 948 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
949 | } else { |
950 | cdr.Stat = Acknowledge; | |
951 | cdr.Result[0] = cdr.StatP; | |
952 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
953 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
a2c864cc | 954 | /* According to Nocash's documentation, the function doesn't care about ff. |
955 | * This can be seen also in Mednafen's implementation. */ | |
956 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
957 | } |
958 | break; | |
959 | ||
9f8b032d | 960 | case CdlSeekL: |
39df67df | 961 | case CdlSeekP: |
030bd76a | 962 | StopCdda(); |
963 | StopReading(); | |
05e5c298 | 964 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
9f8b032d | 965 | |
05e5c298 | 966 | seekTime = cdrSeekTime(cdr.SetSector); |
967 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 968 | /* |
969 | Crusaders of Might and Magic = 0.5x-4x | |
970 | - fix cutscene speech start | |
971 | ||
972 | Eggs of Steel = 2x-? | |
973 | - fix new game | |
974 | ||
975 | Medievil = ?-4x | |
976 | - fix cutscene speech | |
977 | ||
978 | Rockman X5 = 0.5-4x | |
979 | - fix capcom logo | |
980 | */ | |
9a1338bc | 981 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 982 | start_rotating = 1; |
ef79bbde P |
983 | break; |
984 | ||
985 | case CdlTest: | |
9f8b032d | 986 | switch (cdr.Param[0]) { |
987 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
988 | SetResultSize(4); |
989 | memcpy(cdr.Result, Test20, 4); | |
990 | break; | |
991 | case 0x22: | |
992 | SetResultSize(8); | |
993 | memcpy(cdr.Result, Test22, 4); | |
994 | break; | |
995 | case 0x23: case 0x24: | |
996 | SetResultSize(8); | |
997 | memcpy(cdr.Result, Test23, 4); | |
998 | break; | |
9f8b032d | 999 | } |
e4268a49 | 1000 | no_busy_error = 1; |
ef79bbde P |
1001 | break; |
1002 | ||
9f8b032d | 1003 | case CdlID: |
5c96969c | 1004 | second_resp_time = 20480; |
ef79bbde P |
1005 | break; |
1006 | ||
e4268a49 | 1007 | case CdlID + 0x100: |
ef79bbde | 1008 | SetResultSize(8); |
89ec56af | 1009 | cdr.Result[0] = cdr.StatP; |
1010 | cdr.Result[1] = 0; | |
1011 | cdr.Result[2] = 0; | |
1012 | cdr.Result[3] = 0; | |
9f8b032d | 1013 | |
d8432250 | 1014 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1015 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1016 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1017 | } |
1018 | else { | |
89ec56af | 1019 | if (stat.Type == 2) |
1020 | cdr.Result[1] |= 0x10; | |
1021 | if (CdromId[0] == '\0') | |
9f8b032d | 1022 | cdr.Result[1] |= 0x80; |
9f8b032d | 1023 | } |
89ec56af | 1024 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1025 | |
3e42b115 | 1026 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1027 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1028 | cdr.Stat = Complete; |
1029 | break; | |
1030 | ||
8399ca33 | 1031 | case CdlInit: |
05e5c298 | 1032 | StopCdda(); |
1033 | StopReading(); | |
1034 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1035 | // yes, it really sets STATUS_SHELLOPEN |
1036 | cdr.StatP |= STATUS_SHELLOPEN; | |
1037 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1038 | CDRLID_INT(20480); | |
1039 | no_busy_error = 1; | |
1040 | start_rotating = 1; | |
9f8b032d | 1041 | break; |
1042 | ||
e4268a49 | 1043 | case CdlGetQ: |
e1a78bc4 | 1044 | no_busy_error = 1; |
9f8b032d | 1045 | break; |
1046 | ||
1047 | case CdlReadToc: | |
5c96969c | 1048 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1049 | no_busy_error = 1; |
1050 | start_rotating = 1; | |
ef79bbde P |
1051 | break; |
1052 | ||
e4268a49 | 1053 | case CdlReadToc + 0x100: |
9f8b032d | 1054 | cdr.Stat = Complete; |
e4268a49 | 1055 | no_busy_error = 1; |
ef79bbde P |
1056 | break; |
1057 | ||
94c118c3 | 1058 | case CdlReadN: |
1059 | case CdlReadS: | |
05e5c298 | 1060 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1061 | |
1062 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1063 | // Read* acts as play for cdda tracks in cdda mode | |
1064 | goto do_CdlPlay; | |
1065 | ||
05e5c298 | 1066 | StopCdda(); |
1067 | if (cdr.SetlocPending) { | |
1068 | seekTime = cdrSeekTime(cdr.SetSector); | |
1069 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1070 | cdr.SetlocPending = 0; | |
1071 | } | |
030bd76a | 1072 | cdr.Reading = 1; |
1073 | cdr.FirstSector = 1; | |
ef79bbde | 1074 | |
9f8b032d | 1075 | // Fighting Force 2 - update subq time immediately |
1076 | // - fixes new game | |
55b8460a | 1077 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 1078 | |
9a1338bc | 1079 | CDRPLAYSEEKREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime, 1); |
ef79bbde | 1080 | |
05e5c298 | 1081 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1082 | start_rotating = 1; |
ef79bbde | 1083 | break; |
f96ca921 | 1084 | case CdlSync: |
ef79bbde | 1085 | default: |
5c96969c | 1086 | CDR_LOG_I("Invalid command: %02x\n", Cmd); |
e4268a49 | 1087 | error = ERROR_INVALIDCMD; |
1088 | // FALLTHROUGH | |
1089 | ||
1090 | set_error: | |
1091 | SetResultSize(2); | |
1092 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
1093 | cdr.Result[1] = error; | |
1094 | cdr.Stat = DiskError; | |
ef79bbde P |
1095 | break; |
1096 | } | |
1097 | ||
e4268a49 | 1098 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1099 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1100 | cdr.StatP |= STATUS_ROTATING; | |
1101 | } | |
1102 | ||
1103 | if (!no_busy_error) { | |
80f91a20 | 1104 | switch (cdr.DriveState) { |
1105 | case DRIVESTATE_LID_OPEN: | |
1106 | case DRIVESTATE_RESCAN_CD: | |
1107 | case DRIVESTATE_PREPARE_CD: | |
1108 | SetResultSize(2); | |
1109 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1110 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1111 | cdr.Stat = DiskError; |
1112 | break; | |
1113 | } | |
1114 | } | |
9f8b032d | 1115 | |
5c96969c | 1116 | if (second_resp_time) { |
1117 | cdr.CmdInProgress = Cmd | 0x100; | |
1118 | CDR_INT(second_resp_time); | |
1119 | } | |
1120 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1121 | cdr.CmdInProgress = cdr.Cmd; | |
cf55f16a | 1122 | CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n", |
1123 | psxRegs.cycle, cdr.Cmd, Cmd); | |
5c96969c | 1124 | } |
1125 | ||
1126 | setIrq(Cmd); | |
ef79bbde P |
1127 | } |
1128 | ||
8f2bb0cb | 1129 | #ifdef HAVE_ARMV7 |
53598a71 | 1130 | #define ssat32_to_16(v) \ |
1131 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1132 | #else | |
1133 | #define ssat32_to_16(v) do { \ | |
1134 | if (v < -32768) v = -32768; \ | |
1135 | else if (v > 32767) v = 32767; \ | |
1136 | } while (0) | |
1137 | #endif | |
1138 | ||
3e629be9 | 1139 | static void cdrPrepCdda(s16 *buf, int samples) |
1140 | { | |
1141 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1142 | int i; | |
1143 | for (i = 0; i < samples; i++) { | |
1144 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1145 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1146 | } | |
1147 | #endif | |
1148 | } | |
1149 | ||
1150 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1151 | { |
1152 | int i, l, r; | |
1153 | int ll = cdr.AttenuatorLeftToLeft; | |
1154 | int lr = cdr.AttenuatorLeftToRight; | |
1155 | int rl = cdr.AttenuatorRightToLeft; | |
1156 | int rr = cdr.AttenuatorRightToRight; | |
1157 | ||
1158 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1159 | return; | |
1160 | ||
1161 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1162 | return; | |
1163 | ||
1164 | if (stereo) { | |
1165 | for (i = 0; i < samples; i++) { | |
1166 | l = buf[i * 2]; | |
1167 | r = buf[i * 2 + 1]; | |
1168 | l = (l * ll + r * rl) >> 7; | |
1169 | r = (r * rr + l * lr) >> 7; | |
1170 | ssat32_to_16(l); | |
1171 | ssat32_to_16(r); | |
1172 | buf[i * 2] = l; | |
1173 | buf[i * 2 + 1] = r; | |
1174 | } | |
1175 | } | |
1176 | else { | |
1177 | for (i = 0; i < samples; i++) { | |
1178 | l = buf[i]; | |
1179 | l = l * (ll + rl) >> 7; | |
1180 | //r = r * (rr + lr) >> 7; | |
1181 | ssat32_to_16(l); | |
1182 | //ssat32_to_16(r); | |
1183 | buf[i] = l; | |
1184 | } | |
1185 | } | |
1186 | } | |
1187 | ||
f55c59b7 | 1188 | static void cdrReadInterruptSetResult(unsigned char result) |
28eea6ac | 1189 | { |
5c96969c | 1190 | if (cdr.Stat) { |
f55c59b7 | 1191 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1192 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1193 | cdr.CmdInProgress, cdr.Stat); | |
1194 | cdr.Irq1Pending = result; | |
ef79bbde P |
1195 | return; |
1196 | } | |
ef79bbde | 1197 | SetResultSize(1); |
f55c59b7 | 1198 | cdr.Result[0] = result; |
1199 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
1200 | setIrq(0x203); | |
1201 | } | |
1202 | ||
1203 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1204 | { | |
1205 | if (!buf) | |
1206 | return; | |
1207 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1208 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1209 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
e411faef | 1210 | if (cdr.FifoOffset < 2048 + 12) |
1211 | CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
f55c59b7 | 1212 | } |
1213 | ||
1214 | static void cdrReadInterrupt(void) | |
1215 | { | |
1216 | u8 *buf = NULL, *hdr; | |
1217 | ||
05e5c298 | 1218 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
ef79bbde | 1219 | |
55b8460a | 1220 | ReadTrack(cdr.SetSectorPlay); |
f55c59b7 | 1221 | if (cdr.NoErr) |
1222 | buf = CDR_getBuffer(); | |
ef79bbde | 1223 | if (buf == NULL) |
6087d7e7 | 1224 | cdr.NoErr = 0; |
ef79bbde | 1225 | |
2e88c317 | 1226 | if (!cdr.NoErr) { |
8b380e97 | 1227 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde | 1228 | memset(cdr.Transfer, 0, DATA_SIZE); |
f55c59b7 | 1229 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1230 | return; |
1231 | } | |
1232 | ||
f55c59b7 | 1233 | if (!cdr.Irq1Pending) |
1234 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1235 | |
9f8b032d | 1236 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f55c59b7 | 1237 | hdr = buf + 4; |
9f8b032d | 1238 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1239 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f55c59b7 | 1240 | cdr.File = hdr[0]; |
1241 | cdr.Channel = hdr[1]; | |
9f8b032d | 1242 | } |
1243 | ||
0e0ad585 | 1244 | /* Gameblabla |
1245 | * Skips playing on channel 255. | |
1246 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1247 | * TODO : Check if this is the proper behaviour. | |
1248 | * */ | |
f55c59b7 | 1249 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1250 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1251 | if (!ret) { |
53598a71 | 1252 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
cdaef86c | 1253 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1254 | cdr.FirstSector = 0; |
1255 | } | |
1256 | else cdr.FirstSector = -1; | |
1257 | } | |
1258 | } | |
1259 | ||
f55c59b7 | 1260 | /* |
1261 | Croc 2: $40 - only FORM1 (*) | |
1262 | Judge Dredd: $C8 - only FORM1 (*) | |
1263 | Sim Theme Park - no adpcm at all (zero) | |
1264 | */ | |
1265 | ||
1266 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1267 | cdrReadInterruptSetResult(cdr.StatP); | |
1268 | ||
55b8460a | 1269 | cdr.SetSectorPlay[2]++; |
1270 | if (cdr.SetSectorPlay[2] == 75) { | |
1271 | cdr.SetSectorPlay[2] = 0; | |
1272 | cdr.SetSectorPlay[1]++; | |
1273 | if (cdr.SetSectorPlay[1] == 60) { | |
1274 | cdr.SetSectorPlay[1] = 0; | |
1275 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1276 | } |
1277 | } | |
1278 | ||
f55c59b7 | 1279 | if (!cdr.Irq1Pending) { |
1280 | // update for CdlGetlocP | |
1281 | ReadTrack(cdr.SetSectorPlay); | |
1282 | } | |
9f8b032d | 1283 | |
9a1338bc | 1284 | CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f55c59b7 | 1285 | } |
9f8b032d | 1286 | |
ef79bbde P |
1287 | /* |
1288 | cdrRead0: | |
94c118c3 | 1289 | bit 0,1 - mode |
ef79bbde P |
1290 | bit 2 - unknown |
1291 | bit 3 - unknown | |
1292 | bit 4 - unknown | |
1293 | bit 5 - 1 result ready | |
1294 | bit 6 - 1 dma ready | |
1295 | bit 7 - 1 command being processed | |
1296 | */ | |
1297 | ||
1298 | unsigned char cdrRead0(void) { | |
1299 | if (cdr.ResultReady) | |
1300 | cdr.Ctrl |= 0x20; | |
1301 | else | |
1302 | cdr.Ctrl &= ~0x20; | |
1303 | ||
5c96969c | 1304 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1305 | |
1306 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1307 | cdr.Ctrl |= 0x18; | |
1308 | ||
e7acd858 | 1309 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1310 | |
1311 | return psxHu8(0x1800) = cdr.Ctrl; | |
1312 | } | |
1313 | ||
ef79bbde | 1314 | void cdrWrite0(unsigned char rt) { |
e7acd858 | 1315 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1316 | |
50b13be9 | 1317 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1318 | } |
1319 | ||
1320 | unsigned char cdrRead1(void) { | |
94c118c3 | 1321 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1322 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1323 | else |
ef79bbde | 1324 | psxHu8(0x1801) = 0; |
94c118c3 | 1325 | cdr.ResultP++; |
1326 | if (cdr.ResultP == cdr.ResultC) | |
1327 | cdr.ResultReady = 0; | |
1328 | ||
e7acd858 | 1329 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1330 | |
ef79bbde P |
1331 | return psxHu8(0x1801); |
1332 | } | |
1333 | ||
1334 | void cdrWrite1(unsigned char rt) { | |
e7acd858 | 1335 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1336 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1337 | |
94c118c3 | 1338 | switch (cdr.Ctrl & 3) { |
1339 | case 0: | |
1340 | break; | |
1341 | case 3: | |
53598a71 | 1342 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1343 | return; |
1344 | default: | |
1345 | return; | |
9f8b032d | 1346 | } |
1347 | ||
8b380e97 | 1348 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1349 | SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]); |
ef79bbde | 1350 | if (cdr.ParamC) { |
e7acd858 | 1351 | int i; |
ef79bbde P |
1352 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1353 | for (i = 0; i < cdr.ParamC; i++) | |
1354 | SysPrintf(" %x,", cdr.Param[i]); | |
1355 | SysPrintf("}\n"); | |
1356 | } else { | |
1357 | SysPrintf("\n"); | |
1358 | } | |
1359 | #endif | |
1360 | ||
2daaaae3 | 1361 | cdr.ResultReady = 0; |
94c118c3 | 1362 | cdr.Ctrl |= 0x80; |
8b380e97 | 1363 | |
5c96969c | 1364 | if (!cdr.CmdInProgress) { |
1365 | cdr.CmdInProgress = rt; | |
1366 | // should be something like 12k + controller delays | |
1367 | CDR_INT(5000); | |
9f8b032d | 1368 | } |
5c96969c | 1369 | else { |
cf55f16a | 1370 | CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n", |
1371 | psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress); | |
5c96969c | 1372 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1373 | cdr.CmdInProgress = rt; | |
1374 | } | |
1375 | ||
1376 | cdr.Cmd = rt; | |
ef79bbde P |
1377 | } |
1378 | ||
1379 | unsigned char cdrRead2(void) { | |
6cbdadb3 | 1380 | unsigned char ret = 0; |
ef79bbde | 1381 | |
e411faef | 1382 | if (cdr.FifoOffset < cdr.FifoSize) |
6cbdadb3 | 1383 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1384 | else | |
e411faef | 1385 | CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1386 | |
e7acd858 | 1387 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1388 | return ret; |
1389 | } | |
1390 | ||
1391 | void cdrWrite2(unsigned char rt) { | |
e7acd858 | 1392 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1393 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1394 | |
94c118c3 | 1395 | switch (cdr.Ctrl & 3) { |
1396 | case 0: | |
1397 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1398 | cdr.Param[cdr.ParamC++] = rt; | |
1399 | return; | |
1400 | case 1: | |
1401 | cdr.Reg2 = rt; | |
e7acd858 | 1402 | setIrq(0x204); |
94c118c3 | 1403 | return; |
1404 | case 2: | |
53598a71 | 1405 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1406 | return; |
1407 | case 3: | |
53598a71 | 1408 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1409 | return; |
ef79bbde P |
1410 | } |
1411 | } | |
1412 | ||
1413 | unsigned char cdrRead3(void) { | |
94c118c3 | 1414 | if (cdr.Ctrl & 0x1) |
1415 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1416 | else | |
1417 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1418 | |
e7acd858 | 1419 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1420 | return psxHu8(0x1803); |
1421 | } | |
1422 | ||
1423 | void cdrWrite3(unsigned char rt) { | |
e7acd858 | 1424 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1425 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1426 | |
94c118c3 | 1427 | switch (cdr.Ctrl & 3) { |
1428 | case 0: | |
a34a2445 | 1429 | break; // transfer |
94c118c3 | 1430 | case 1: |
4d384ca8 | 1431 | if (cdr.Stat & rt) { |
5c96969c | 1432 | #ifdef CDR_LOG_CMD_IRQ |
cf55f16a | 1433 | SysPrintf("%u cdrom: ack %02x (w %02x)\n", |
1434 | psxRegs.cycle, cdr.Stat & rt, rt); | |
5c96969c | 1435 | #endif |
cf55f16a | 1436 | // note: Croc vs Discworld Noir |
4d384ca8 | 1437 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && |
1438 | (cdr.CmdInProgress || cdr.Irq1Pending)) | |
cf55f16a | 1439 | CDR_INT(850); // 711-993 |
4d384ca8 | 1440 | } |
a34a2445 | 1441 | cdr.Stat &= ~rt; |
1442 | ||
1443 | if (rt & 0x40) | |
1444 | cdr.ParamC = 0; | |
1445 | return; | |
94c118c3 | 1446 | case 2: |
53598a71 | 1447 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1448 | return; |
1449 | case 3: | |
53598a71 | 1450 | if (rt & 0x20) { |
1451 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
5c96969c | 1452 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1453 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1454 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1455 | } | |
94c118c3 | 1456 | return; |
9f8b032d | 1457 | } |
056d6759 | 1458 | |
e411faef | 1459 | // test: Viewpoint |
1460 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1461 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1462 | } | |
1463 | else if (rt & 0x80) { | |
ef79bbde | 1464 | switch (cdr.Mode & 0x30) { |
9f8b032d | 1465 | case MODE_SIZE_2328: |
ef79bbde | 1466 | case 0x00: |
6cbdadb3 | 1467 | cdr.FifoOffset = 12; |
e411faef | 1468 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1469 | break; |
9f8b032d | 1470 | |
1471 | case MODE_SIZE_2340: | |
ef79bbde | 1472 | default: |
6cbdadb3 | 1473 | cdr.FifoOffset = 0; |
e411faef | 1474 | cdr.FifoSize = 2340; |
ef79bbde P |
1475 | break; |
1476 | } | |
1477 | } | |
e411faef | 1478 | else if (!(rt & 0xc0)) |
1479 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1480 | } |
1481 | ||
1482 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1483 | u32 cdsize; | |
c7071c43 | 1484 | int size; |
ef79bbde P |
1485 | u8 *ptr; |
1486 | ||
ef79bbde | 1487 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde | 1488 | |
7b68d92c | 1489 | switch (chcr & 0x71000000) { |
ef79bbde | 1490 | case 0x11000000: |
ef79bbde | 1491 | ptr = (u8 *)PSXM(madr); |
b012a437 | 1492 | if (ptr == INVALID_PTR) { |
6cbdadb3 | 1493 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1494 | break; |
1495 | } | |
9f8b032d | 1496 | |
6cbdadb3 | 1497 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1498 | ||
9f8b032d | 1499 | /* |
1500 | GS CDX: Enhancement CD crash | |
1501 | - Setloc 0:0:0 | |
1502 | - CdlPlay | |
1503 | - Spams DMA3 and gets buffer overrun | |
1504 | */ | |
6cbdadb3 | 1505 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1506 | if (size > cdsize) |
1507 | size = cdsize; | |
1508 | if (size > 0) | |
9f8b032d | 1509 | { |
6cbdadb3 | 1510 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1511 | cdr.FifoOffset += size; | |
1512 | psxCpu->Clear(madr, size / 4); | |
9f8b032d | 1513 | } |
7df2c03c | 1514 | if (size < cdsize) |
1515 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); | |
9f8b032d | 1516 | |
7b68d92c | 1517 | CDRDMA_INT((cdsize/4) * 24); |
1518 | ||
1519 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1520 | if (chcr & 0x100) { | |
58ebb94c | 1521 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
7b68d92c | 1522 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1523 | } |
7b68d92c | 1524 | else { |
fc4803bd | 1525 | // halted |
7b68d92c | 1526 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1527 | } |
1528 | return; | |
1529 | ||
ef79bbde | 1530 | default: |
7df2c03c | 1531 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1532 | break; |
1533 | } | |
1534 | ||
1535 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1536 | DMA_INTERRUPT(3); | |
1537 | } | |
1538 | ||
28eea6ac | 1539 | void cdrDmaInterrupt(void) |
9f8b032d | 1540 | { |
ad418c19 | 1541 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1542 | { | |
1543 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1544 | DMA_INTERRUPT(3); | |
1545 | } | |
9f8b032d | 1546 | } |
1547 | ||
fffad32e | 1548 | static void getCdInfo(void) |
1549 | { | |
1550 | u8 tmp; | |
1551 | ||
1552 | CDR_getTN(cdr.ResultTN); | |
1553 | CDR_getTD(0, cdr.SetSectorEnd); | |
1554 | tmp = cdr.SetSectorEnd[0]; | |
1555 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1556 | cdr.SetSectorEnd[2] = tmp; | |
1557 | } | |
1558 | ||
ef79bbde P |
1559 | void cdrReset() { |
1560 | memset(&cdr, 0, sizeof(cdr)); | |
1561 | cdr.CurTrack = 1; | |
1562 | cdr.File = 1; | |
1563 | cdr.Channel = 1; | |
a2d3ccb8 | 1564 | cdr.Reg2 = 0x1f; |
1565 | cdr.Stat = NoIntr; | |
80f91a20 | 1566 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1567 | cdr.StatP = STATUS_ROTATING; |
6cbdadb3 | 1568 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
2e88c317 | 1569 | |
056d6759 | 1570 | // BIOS player - default values |
53598a71 | 1571 | cdr.AttenuatorLeftToLeft = 0x80; |
1572 | cdr.AttenuatorLeftToRight = 0x00; | |
1573 | cdr.AttenuatorRightToLeft = 0x00; | |
1574 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1575 | |
1576 | getCdInfo(); | |
ef79bbde P |
1577 | } |
1578 | ||
496d88d4 | 1579 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1580 | u32 tmp; |
fffad32e | 1581 | u8 tmpp[3]; |
ef79bbde | 1582 | |
fffad32e | 1583 | if (Mode == 0 && !Config.Cdda) |
1584 | CDR_stop(); | |
9f8b032d | 1585 | |
55b8460a | 1586 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1587 | gzfreeze(&cdr, sizeof(cdr)); |
1588 | ||
94c118c3 | 1589 | if (Mode == 1) { |
1590 | cdr.ParamP = cdr.ParamC; | |
6cbdadb3 | 1591 | tmp = cdr.FifoOffset; |
94c118c3 | 1592 | } |
ef79bbde P |
1593 | |
1594 | gzfreeze(&tmp, sizeof(tmp)); | |
1595 | ||
42f3c512 | 1596 | if (Mode == 0) { |
fffad32e | 1597 | getCdInfo(); |
1598 | ||
6cbdadb3 | 1599 | cdr.FifoOffset = tmp; |
e411faef | 1600 | cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12; |
ef79bbde | 1601 | |
fffad32e | 1602 | // read right sub data |
0204c39a DS |
1603 | tmpp[0] = btoi(cdr.Prev[0]); |
1604 | tmpp[1] = btoi(cdr.Prev[1]); | |
1605 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1606 | cdr.Prev[0]++; |
73b29eeb | 1607 | ReadTrack(tmpp); |
fffad32e | 1608 | |
1609 | if (cdr.Play) { | |
55b8460a | 1610 | if (cdr.freeze_ver < 0x63647202) |
1611 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1612 | ||
fffad32e | 1613 | Find_CurTrack(cdr.SetSectorPlay); |
1614 | if (!Config.Cdda) | |
2e88c317 | 1615 | CDR_play(cdr.SetSectorPlay); |
28eea6ac | 1616 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
9a1338bc | 1617 | CDRPLAYSEEKREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1618 | } |
c69642c8 | 1619 | |
1620 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1621 | // old versions did not latch Reg2, have to fixup.. | |
1622 | if (cdr.Reg2 == 0) { | |
1623 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1624 | cdr.Reg2 = 7; | |
1625 | } | |
0f2dee0f | 1626 | // also did not save Attenuator.. |
1627 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1628 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1629 | { | |
1630 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1631 | } | |
c69642c8 | 1632 | } |
42f3c512 | 1633 | } |
1634 | ||
ef79bbde P |
1635 | return 0; |
1636 | } | |
9f8b032d | 1637 | |
28eea6ac | 1638 | void LidInterrupt(void) { |
fffad32e | 1639 | getCdInfo(); |
80f91a20 | 1640 | cdrLidSeekInterrupt(); |
9f8b032d | 1641 | } |