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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 | |
6c9db47c | 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 | ||
af93c8be | 47 | static struct { |
7f2576b2 | 48 | // unused members maintain savesate compatibility |
49 | unsigned char unused0; | |
50 | unsigned char unused1; | |
af93c8be | 51 | unsigned char Reg2; |
7f2576b2 | 52 | unsigned char unused2; |
af93c8be | 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; | |
7f2576b2 | 66 | unsigned char unused3[3]; |
af93c8be | 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; | |
742a21f2 | 79 | unsigned char unused4; |
af93c8be | 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 | ||
742a21f2 | 98 | u16 FifoOffset; |
99 | u16 FifoSize; | |
af93c8be | 100 | |
7f2576b2 | 101 | u16 CmdInProgress; |
f5450cfb | 102 | u8 Irq1Pending; |
103 | u8 unused5; | |
7f2576b2 | 104 | u32 unused6; |
af93c8be | 105 | |
7f2576b2 | 106 | u8 unused7; |
af93c8be | 107 | |
108 | u8 DriveState; | |
109 | u8 FastForward; | |
110 | u8 FastBackward; | |
7f2576b2 | 111 | u8 unused8; |
af93c8be | 112 | |
113 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
114 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
115 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
116 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
117 | } cdr; | |
f4627eb3 | 118 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
119 | |
120 | /* CD-ROM magic numbers */ | |
1f035e27 | 121 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
122 | #define CdlNop 1 |
123 | #define CdlSetloc 2 | |
124 | #define CdlPlay 3 | |
125 | #define CdlForward 4 | |
126 | #define CdlBackward 5 | |
127 | #define CdlReadN 6 | |
128 | #define CdlStandby 7 | |
129 | #define CdlStop 8 | |
130 | #define CdlPause 9 | |
b0bd140d | 131 | #define CdlReset 10 |
ef79bbde P |
132 | #define CdlMute 11 |
133 | #define CdlDemute 12 | |
134 | #define CdlSetfilter 13 | |
135 | #define CdlSetmode 14 | |
dcd72441 | 136 | #define CdlGetparam 15 |
ef79bbde P |
137 | #define CdlGetlocL 16 |
138 | #define CdlGetlocP 17 | |
139 | #define CdlReadT 18 | |
140 | #define CdlGetTN 19 | |
141 | #define CdlGetTD 20 | |
142 | #define CdlSeekL 21 | |
143 | #define CdlSeekP 22 | |
144 | #define CdlSetclock 23 | |
145 | #define CdlGetclock 24 | |
146 | #define CdlTest 25 | |
147 | #define CdlID 26 | |
148 | #define CdlReadS 27 | |
b0bd140d | 149 | #define CdlInit 28 |
e4268a49 | 150 | #define CdlGetQ 29 |
ef79bbde P |
151 | #define CdlReadToc 30 |
152 | ||
af93c8be | 153 | #ifdef CDR_LOG_CMD_IRQ |
154 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
155 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
156 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
b0bd140d | 157 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 158 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
159 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
160 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
161 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 162 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 163 | }; |
af93c8be | 164 | #endif |
ef79bbde P |
165 | |
166 | unsigned char Test04[] = { 0 }; | |
167 | unsigned char Test05[] = { 0 }; | |
168 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
169 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
170 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
171 | ||
9f8b032d | 172 | // cdr.Stat: |
173 | #define NoIntr 0 | |
174 | #define DataReady 1 | |
175 | #define Complete 2 | |
176 | #define Acknowledge 3 | |
177 | #define DataEnd 4 | |
178 | #define DiskError 5 | |
179 | ||
180 | /* Modes flags */ | |
181 | #define MODE_SPEED (1<<7) // 0x80 | |
182 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
183 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
184 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 185 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 186 | #define MODE_SF (1<<3) // 0x08 channel on/off |
187 | #define MODE_REPORT (1<<2) // 0x04 | |
188 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
189 | #define MODE_CDDA (1<<0) // 0x01 | |
190 | ||
191 | /* Status flags */ | |
192 | #define STATUS_PLAY (1<<7) // 0x80 | |
193 | #define STATUS_SEEK (1<<6) // 0x40 | |
194 | #define STATUS_READ (1<<5) // 0x20 | |
195 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
196 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
197 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
198 | #define STATUS_ROTATING (1<<1) // 0x02 | |
199 | #define STATUS_ERROR (1<<0) // 0x01 | |
200 | ||
e4268a49 | 201 | /* Errors */ |
003cfc63 | 202 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 203 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
204 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 205 | |
ef79bbde P |
206 | // 1x = 75 sectors per second |
207 | // PSXCLK = 1 sec in the ps | |
208 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
209 | #define cdReadTime (PSXCLK / 75) | |
210 | ||
80f91a20 | 211 | enum drive_state { |
f522e63c | 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 | |
d9a02493 | 246 | // cdrPlaySeekReadInterrupt |
df717ca9 | 247 | #define CDRPLAYSEEKREAD_INT(eCycle, isFirst) { \ |
248 | u32 e_ = eCycle; \ | |
d28b54b1 | 249 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
df717ca9 | 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() { \ |
f522e63c | 267 | cdr.Reading = 0; \ |
268 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
269 | } |
270 | ||
271 | #define StopCdda() { \ | |
f522e63c | 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 | ||
af93c8be | 289 | static void setIrq(int log_cmd) |
94c118c3 | 290 | { |
291 | if (cdr.Stat & cdr.Reg2) | |
292 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
af93c8be | 293 | |
294 | #ifdef CDR_LOG_CMD_IRQ | |
7f2576b2 | 295 | if (cdr.Stat) |
af93c8be | 296 | { |
297 | int i; | |
298 | SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ", | |
299 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
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) | |
d9a02493 | 309 | void cdrLidSeekInterrupt(void) |
9f8b032d | 310 | { |
80f91a20 | 311 | switch (cdr.DriveState) { |
312 | default: | |
313 | case DRIVESTATE_STANDBY: | |
f522e63c | 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 | |
c9c7a925 | 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 | { | |
bf4df3ba | 489 | u32 abs_lev_max = 0; |
490 | boolean abs_lev_chselect; | |
491 | u32 i; | |
f4627eb3 | 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; | |
af93c8be | 503 | setIrq(0x200); |
7f457614 | 504 | |
505 | StopCdda(); | |
f522e63c | 506 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 507 | } |
c9c7a925 | 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; | |
bf4df3ba | 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 | ||
bf4df3ba | 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); | |
af93c8be | 542 | setIrq(0x201); |
7f457614 | 543 | } |
544 | } | |
545 | ||
f522e63c | 546 | static int cdrSeekTime(unsigned char *target) |
547 | { | |
548 | int seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(target)) * (cdReadTime / 200); | |
549 | /* | |
550 | * Gameblabla : | |
551 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
552 | * and was unreliable for that game. | |
553 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
554 | * | |
555 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
556 | * Games to test this against if you change that setting : | |
557 | * - Driver (titlescreen music delay and retry mission) | |
558 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
559 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
560 | * | |
561 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
562 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
563 | */ | |
564 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
565 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
566 | return seekTime; | |
567 | } | |
568 | ||
d9a02493 | 569 | static void cdrReadInterrupt(void); |
570 | ||
571 | void cdrPlaySeekReadInterrupt(void) | |
7f457614 | 572 | { |
d9a02493 | 573 | if (cdr.Reading) { |
574 | cdrReadInterrupt(); | |
575 | return; | |
576 | } | |
577 | ||
578 | if (!cdr.Play && (cdr.StatP & STATUS_SEEK)) { | |
e7e33ef2 | 579 | if (cdr.Stat) { |
8b380e97 | 580 | CDR_LOG_I("cdrom: seek stat hack\n"); |
df717ca9 | 581 | CDRPLAYSEEKREAD_INT(0x1000, 1); |
e7e33ef2 | 582 | return; |
583 | } | |
39df67df | 584 | SetResultSize(1); |
585 | cdr.StatP |= STATUS_ROTATING; | |
d9a02493 | 586 | SetPlaySeekRead(cdr.StatP, 0); |
39df67df | 587 | cdr.Result[0] = cdr.StatP; |
f5450cfb | 588 | cdr.Stat = Complete; |
589 | setIrq(0x202); | |
39df67df | 590 | |
fffad32e | 591 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 592 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 593 | cdr.TrackChanged = FALSE; |
d9a02493 | 594 | return; |
39df67df | 595 | } |
596 | ||
597 | if (!cdr.Play) return; | |
7f457614 | 598 | |
7f457614 | 599 | CDR_LOG( "CDDA - %d:%d:%d\n", |
600 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 601 | |
d9a02493 | 602 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 603 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
604 | StopCdda(); | |
f522e63c | 605 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 606 | cdr.TrackChanged = TRUE; |
607 | } | |
ffd2bcfa | 608 | else { |
609 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
610 | } | |
7f457614 | 611 | |
7f2576b2 | 612 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 613 | cdrPlayInterrupt_Autopause(); |
614 | ||
9cf79034 | 615 | if (!cdr.Muted && !Config.Cdda) { |
ecd502e1 | 616 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
9cf79034 | 617 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
618 | cdr.FirstSector = 0; | |
f4627eb3 | 619 | } |
fffad32e | 620 | |
7f457614 | 621 | cdr.SetSectorPlay[2]++; |
622 | if (cdr.SetSectorPlay[2] == 75) { | |
623 | cdr.SetSectorPlay[2] = 0; | |
624 | cdr.SetSectorPlay[1]++; | |
625 | if (cdr.SetSectorPlay[1] == 60) { | |
626 | cdr.SetSectorPlay[1] = 0; | |
627 | cdr.SetSectorPlay[0]++; | |
628 | } | |
629 | } | |
630 | ||
fffad32e | 631 | // update for CdlGetlocP/autopause |
73b29eeb | 632 | generate_subq(cdr.SetSectorPlay); |
f5450cfb | 633 | |
634 | CDRPLAYSEEKREAD_INT(cdReadTime, 0); | |
7f457614 | 635 | } |
636 | ||
d9a02493 | 637 | void cdrInterrupt(void) { |
e4268a49 | 638 | int no_busy_error = 0; |
639 | int start_rotating = 0; | |
640 | int error = 0; | |
fbf19ce6 | 641 | unsigned int seekTime = 0; |
7f2576b2 | 642 | u32 second_resp_time = 0; |
643 | u8 ParamC; | |
2da09dae | 644 | u8 set_loc[3]; |
7f2576b2 | 645 | u16 Cmd; |
2da09dae | 646 | int i; |
ef79bbde P |
647 | |
648 | if (cdr.Stat) { | |
7f2576b2 | 649 | CDR_LOG_I("cdrom: cmd %02x with irqstat %x\n", cdr.CmdInProgress, cdr.Stat); |
ef79bbde P |
650 | return; |
651 | } | |
652 | ||
ef79bbde P |
653 | cdr.Ctrl &= ~0x80; |
654 | ||
e4268a49 | 655 | // default response |
656 | SetResultSize(1); | |
657 | cdr.Result[0] = cdr.StatP; | |
658 | cdr.Stat = Acknowledge; | |
659 | ||
7f2576b2 | 660 | Cmd = cdr.CmdInProgress; |
661 | cdr.CmdInProgress = 0; | |
662 | ParamC = cdr.ParamC; | |
e4268a49 | 663 | |
7f2576b2 | 664 | if (Cmd < 0x100) { |
665 | cdr.Cmd = 0; | |
666 | cdr.ParamC = 0; | |
667 | } | |
e4268a49 | 668 | |
7f2576b2 | 669 | switch (Cmd) { |
ef79bbde | 670 | case CdlNop: |
80f91a20 | 671 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
672 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
e4268a49 | 673 | no_busy_error = 1; |
ef79bbde P |
674 | break; |
675 | ||
676 | case CdlSetloc: | |
2da09dae | 677 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
678 | ||
679 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
680 | 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)) | |
681 | { | |
682 | CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); | |
683 | error = ERROR_INVALIDARG; | |
684 | goto set_error; | |
685 | } | |
686 | else | |
687 | { | |
688 | for (i = 0; i < 3; i++) | |
2da09dae | 689 | set_loc[i] = btoi(cdr.Param[i]); |
2da09dae | 690 | memcpy(cdr.SetSector, set_loc, 3); |
691 | cdr.SetSector[3] = 0; | |
692 | cdr.SetlocPending = 1; | |
693 | } | |
ef79bbde P |
694 | break; |
695 | ||
55b8460a | 696 | do_CdlPlay: |
ef79bbde | 697 | case CdlPlay: |
030bd76a | 698 | StopCdda(); |
f522e63c | 699 | StopReading(); |
700 | ||
c9c7a925 | 701 | cdr.FastBackward = 0; |
702 | cdr.FastForward = 0; | |
703 | ||
2d5ca6c0 | 704 | // BIOS CD Player |
705 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
706 | ||
7f2576b2 | 707 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 708 | int track = btoi( cdr.Param[0] ); |
709 | ||
710 | if (track <= cdr.ResultTN[1]) | |
711 | cdr.CurTrack = track; | |
712 | ||
713 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
714 | ||
715 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
f522e63c | 716 | for (i = 0; i < 3; i++) |
717 | set_loc[i] = cdr.ResultTD[2 - i]; | |
718 | seekTime = cdrSeekTime(set_loc); | |
719 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 720 | } |
721 | } | |
f522e63c | 722 | else if (cdr.SetlocPending) { |
723 | seekTime = cdrSeekTime(cdr.SetSector); | |
724 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
725 | } | |
726 | else { | |
727 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
728 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
729 | } | |
730 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 731 | |
9f8b032d | 732 | /* |
733 | Rayman: detect track changes | |
734 | - fixes logo freeze | |
735 | ||
736 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
737 | - plays tracks without retry play | |
738 | ||
739 | Wild 9: skip PREGAP + starting accurate SubQ | |
740 | - plays tracks without retry play | |
741 | */ | |
fffad32e | 742 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 743 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 744 | cdr.TrackChanged = FALSE; |
9cf79034 | 745 | cdr.FirstSector = 1; |
9f8b032d | 746 | |
2d5ca6c0 | 747 | if (!Config.Cdda) |
748 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 749 | |
f522e63c | 750 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 751 | |
752 | // BIOS player - set flag again | |
753 | cdr.Play = TRUE; | |
754 | ||
df717ca9 | 755 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 756 | start_rotating = 1; |
ef79bbde P |
757 | break; |
758 | ||
9f8b032d | 759 | case CdlForward: |
e4268a49 | 760 | // TODO: error 80 if stopped |
9f8b032d | 761 | cdr.Stat = Complete; |
762 | ||
9f8b032d | 763 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 764 | cdr.FastForward = 1; |
9f8b032d | 765 | cdr.FastBackward = 0; |
ef79bbde P |
766 | break; |
767 | ||
9f8b032d | 768 | case CdlBackward: |
9f8b032d | 769 | cdr.Stat = Complete; |
770 | ||
9f8b032d | 771 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 772 | cdr.FastBackward = 1; |
9f8b032d | 773 | cdr.FastForward = 0; |
ef79bbde P |
774 | break; |
775 | ||
9f8b032d | 776 | case CdlStandby: |
e4268a49 | 777 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
778 | error = ERROR_INVALIDARG; | |
779 | goto set_error; | |
780 | } | |
7f2576b2 | 781 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 782 | start_rotating = 1; |
783 | break; | |
784 | ||
785 | case CdlStandby + 0x100: | |
ef79bbde P |
786 | cdr.Stat = Complete; |
787 | break; | |
788 | ||
789 | case CdlStop: | |
030bd76a | 790 | if (cdr.Play) { |
791 | // grab time for current track | |
792 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
793 | ||
794 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
795 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
796 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
797 | } | |
798 | ||
799 | StopCdda(); | |
800 | StopReading(); | |
f522e63c | 801 | SetPlaySeekRead(cdr.StatP, 0); |
802 | cdr.StatP &= ~STATUS_ROTATING; | |
030bd76a | 803 | |
7f2576b2 | 804 | second_resp_time = 0x800; |
e4268a49 | 805 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
7f2576b2 | 806 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 807 | |
808 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 809 | break; |
810 | ||
811 | case CdlStop + 0x100: | |
ef79bbde | 812 | cdr.Stat = Complete; |
ef79bbde P |
813 | break; |
814 | ||
815 | case CdlPause: | |
f522e63c | 816 | StopCdda(); |
817 | StopReading(); | |
12228917 | 818 | /* |
819 | Gundam Battle Assault 2: much slower (*) | |
820 | - Fixes boot, gameplay | |
821 | ||
822 | Hokuto no Ken 2: slower | |
823 | - Fixes intro + subtitles | |
824 | ||
825 | InuYasha - Feudal Fairy Tale: slower | |
826 | - Fixes battles | |
827 | */ | |
4e70ea5a | 828 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
829 | * The timings from Duckstation are based upon hardware tests. | |
830 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
831 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
832 | * */ | |
f522e63c | 833 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
e3d555e0 | 834 | { |
7f2576b2 | 835 | second_resp_time = 7000; |
e3d555e0 | 836 | } |
837 | else | |
838 | { | |
7f2576b2 | 839 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
e3d555e0 | 840 | } |
f522e63c | 841 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
842 | cdr.Ctrl |= 0x80; |
843 | break; | |
844 | ||
e4268a49 | 845 | case CdlPause + 0x100: |
9f8b032d | 846 | cdr.Stat = Complete; |
ef79bbde P |
847 | break; |
848 | ||
b0bd140d | 849 | case CdlReset: |
f522e63c | 850 | StopCdda(); |
851 | StopReading(); | |
852 | SetPlaySeekRead(cdr.StatP, 0); | |
b0bd140d | 853 | cdr.Muted = FALSE; |
854 | cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ | |
7f2576b2 | 855 | second_resp_time = 4100000; |
e4268a49 | 856 | no_busy_error = 1; |
857 | start_rotating = 1; | |
858 | break; | |
859 | ||
b0bd140d | 860 | case CdlReset + 0x100: |
9f8b032d | 861 | cdr.Stat = Complete; |
ef79bbde P |
862 | break; |
863 | ||
9f8b032d | 864 | case CdlMute: |
030bd76a | 865 | cdr.Muted = TRUE; |
ef79bbde P |
866 | break; |
867 | ||
9f8b032d | 868 | case CdlDemute: |
030bd76a | 869 | cdr.Muted = FALSE; |
ef79bbde P |
870 | break; |
871 | ||
9f8b032d | 872 | case CdlSetfilter: |
030bd76a | 873 | cdr.File = cdr.Param[0]; |
874 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 875 | break; |
ef79bbde P |
876 | |
877 | case CdlSetmode: | |
7f2576b2 | 878 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
879 | cdr.Mode = cdr.Param[0]; | |
e4268a49 | 880 | no_busy_error = 1; |
9f8b032d | 881 | break; |
ef79bbde | 882 | |
dcd72441 | 883 | case CdlGetparam: |
884 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ | |
885 | SetResultSize(5); | |
9f8b032d | 886 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 887 | cdr.Result[2] = 0; |
888 | cdr.Result[3] = cdr.File; | |
889 | cdr.Result[4] = cdr.Channel; | |
e4268a49 | 890 | no_busy_error = 1; |
9f8b032d | 891 | break; |
ef79bbde | 892 | |
9f8b032d | 893 | case CdlGetlocL: |
ef79bbde | 894 | SetResultSize(8); |
e4268a49 | 895 | memcpy(cdr.Result, cdr.Transfer, 8); |
9f8b032d | 896 | break; |
ef79bbde P |
897 | |
898 | case CdlGetlocP: | |
fffad32e | 899 | SetResultSize(8); |
900 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 901 | break; |
892bd7d4 | 902 | |
e4268a49 | 903 | case CdlReadT: // SetSession? |
904 | // really long | |
7f2576b2 | 905 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 906 | start_rotating = 1; |
907 | break; | |
908 | ||
909 | case CdlReadT + 0x100: | |
910 | cdr.Stat = Complete; | |
ef79bbde P |
911 | break; |
912 | ||
9f8b032d | 913 | case CdlGetTN: |
ef79bbde | 914 | SetResultSize(3); |
9f8b032d | 915 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 916 | cdr.Stat = DiskError; |
9f8b032d | 917 | cdr.Result[0] |= STATUS_ERROR; |
918 | } else { | |
919 | cdr.Stat = Acknowledge; | |
920 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
921 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
922 | } | |
923 | break; | |
ef79bbde | 924 | |
9f8b032d | 925 | case CdlGetTD: |
ef79bbde P |
926 | cdr.Track = btoi(cdr.Param[0]); |
927 | SetResultSize(4); | |
ef79bbde P |
928 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
929 | cdr.Stat = DiskError; | |
9f8b032d | 930 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
931 | } else { |
932 | cdr.Stat = Acknowledge; | |
933 | cdr.Result[0] = cdr.StatP; | |
934 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
935 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
cfeb7cab | 936 | /* According to Nocash's documentation, the function doesn't care about ff. |
937 | * This can be seen also in Mednafen's implementation. */ | |
938 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
939 | } |
940 | break; | |
941 | ||
9f8b032d | 942 | case CdlSeekL: |
39df67df | 943 | case CdlSeekP: |
030bd76a | 944 | StopCdda(); |
945 | StopReading(); | |
f522e63c | 946 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
9f8b032d | 947 | |
f522e63c | 948 | seekTime = cdrSeekTime(cdr.SetSector); |
949 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 950 | /* |
951 | Crusaders of Might and Magic = 0.5x-4x | |
952 | - fix cutscene speech start | |
953 | ||
954 | Eggs of Steel = 2x-? | |
955 | - fix new game | |
956 | ||
957 | Medievil = ?-4x | |
958 | - fix cutscene speech | |
959 | ||
960 | Rockman X5 = 0.5-4x | |
961 | - fix capcom logo | |
962 | */ | |
df717ca9 | 963 | CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 964 | start_rotating = 1; |
ef79bbde P |
965 | break; |
966 | ||
967 | case CdlTest: | |
9f8b032d | 968 | switch (cdr.Param[0]) { |
969 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
970 | SetResultSize(4); |
971 | memcpy(cdr.Result, Test20, 4); | |
972 | break; | |
973 | case 0x22: | |
974 | SetResultSize(8); | |
975 | memcpy(cdr.Result, Test22, 4); | |
976 | break; | |
977 | case 0x23: case 0x24: | |
978 | SetResultSize(8); | |
979 | memcpy(cdr.Result, Test23, 4); | |
980 | break; | |
9f8b032d | 981 | } |
e4268a49 | 982 | no_busy_error = 1; |
ef79bbde P |
983 | break; |
984 | ||
9f8b032d | 985 | case CdlID: |
7f2576b2 | 986 | second_resp_time = 20480; |
ef79bbde P |
987 | break; |
988 | ||
e4268a49 | 989 | case CdlID + 0x100: |
ef79bbde | 990 | SetResultSize(8); |
89ec56af | 991 | cdr.Result[0] = cdr.StatP; |
992 | cdr.Result[1] = 0; | |
993 | cdr.Result[2] = 0; | |
994 | cdr.Result[3] = 0; | |
9f8b032d | 995 | |
d8432250 | 996 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
997 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
998 | cdr.Result[1] = 0xc0; | |
9f8b032d | 999 | } |
1000 | else { | |
89ec56af | 1001 | if (stat.Type == 2) |
1002 | cdr.Result[1] |= 0x10; | |
1003 | if (CdromId[0] == '\0') | |
9f8b032d | 1004 | cdr.Result[1] |= 0x80; |
9f8b032d | 1005 | } |
89ec56af | 1006 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1007 | |
d0ea0d8a | 1008 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1009 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1010 | cdr.Stat = Complete; |
1011 | break; | |
1012 | ||
b0bd140d | 1013 | case CdlInit: |
f522e63c | 1014 | StopCdda(); |
1015 | StopReading(); | |
1016 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1017 | // yes, it really sets STATUS_SHELLOPEN |
1018 | cdr.StatP |= STATUS_SHELLOPEN; | |
1019 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1020 | CDRLID_INT(20480); | |
1021 | no_busy_error = 1; | |
1022 | start_rotating = 1; | |
9f8b032d | 1023 | break; |
1024 | ||
e4268a49 | 1025 | case CdlGetQ: |
6360a61b | 1026 | no_busy_error = 1; |
9f8b032d | 1027 | break; |
1028 | ||
1029 | case CdlReadToc: | |
7f2576b2 | 1030 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1031 | no_busy_error = 1; |
1032 | start_rotating = 1; | |
ef79bbde P |
1033 | break; |
1034 | ||
e4268a49 | 1035 | case CdlReadToc + 0x100: |
9f8b032d | 1036 | cdr.Stat = Complete; |
e4268a49 | 1037 | no_busy_error = 1; |
ef79bbde P |
1038 | break; |
1039 | ||
94c118c3 | 1040 | case CdlReadN: |
1041 | case CdlReadS: | |
f522e63c | 1042 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1043 | |
1044 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1045 | // Read* acts as play for cdda tracks in cdda mode | |
1046 | goto do_CdlPlay; | |
1047 | ||
f522e63c | 1048 | StopCdda(); |
1049 | if (cdr.SetlocPending) { | |
1050 | seekTime = cdrSeekTime(cdr.SetSector); | |
1051 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1052 | cdr.SetlocPending = 0; | |
1053 | } | |
030bd76a | 1054 | cdr.Reading = 1; |
1055 | cdr.FirstSector = 1; | |
ef79bbde | 1056 | |
9f8b032d | 1057 | // Fighting Force 2 - update subq time immediately |
1058 | // - fixes new game | |
55b8460a | 1059 | ReadTrack(cdr.SetSectorPlay); |
9f8b032d | 1060 | |
df717ca9 | 1061 | CDRPLAYSEEKREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime, 1); |
ef79bbde | 1062 | |
f522e63c | 1063 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1064 | start_rotating = 1; |
ef79bbde | 1065 | break; |
1f035e27 | 1066 | case CdlSync: |
ef79bbde | 1067 | default: |
7f2576b2 | 1068 | CDR_LOG_I("Invalid command: %02x\n", Cmd); |
e4268a49 | 1069 | error = ERROR_INVALIDCMD; |
1070 | // FALLTHROUGH | |
1071 | ||
1072 | set_error: | |
1073 | SetResultSize(2); | |
1074 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
1075 | cdr.Result[1] = error; | |
1076 | cdr.Stat = DiskError; | |
ef79bbde P |
1077 | break; |
1078 | } | |
1079 | ||
e4268a49 | 1080 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1081 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1082 | cdr.StatP |= STATUS_ROTATING; | |
1083 | } | |
1084 | ||
1085 | if (!no_busy_error) { | |
80f91a20 | 1086 | switch (cdr.DriveState) { |
1087 | case DRIVESTATE_LID_OPEN: | |
1088 | case DRIVESTATE_RESCAN_CD: | |
1089 | case DRIVESTATE_PREPARE_CD: | |
1090 | SetResultSize(2); | |
1091 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
003cfc63 | 1092 | cdr.Result[1] = ERROR_NOTREADY; |
80f91a20 | 1093 | cdr.Stat = DiskError; |
1094 | break; | |
1095 | } | |
1096 | } | |
9f8b032d | 1097 | |
7f2576b2 | 1098 | if (second_resp_time) { |
1099 | cdr.CmdInProgress = Cmd | 0x100; | |
1100 | CDR_INT(second_resp_time); | |
1101 | } | |
1102 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1103 | cdr.CmdInProgress = cdr.Cmd; | |
1104 | CDR_LOG_I("cdrom: cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); | |
7f2576b2 | 1105 | } |
1106 | ||
1107 | setIrq(Cmd); | |
ef79bbde P |
1108 | } |
1109 | ||
8f2bb0cb | 1110 | #ifdef HAVE_ARMV7 |
53598a71 | 1111 | #define ssat32_to_16(v) \ |
1112 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1113 | #else | |
1114 | #define ssat32_to_16(v) do { \ | |
1115 | if (v < -32768) v = -32768; \ | |
1116 | else if (v > 32767) v = 32767; \ | |
1117 | } while (0) | |
1118 | #endif | |
1119 | ||
1120 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1121 | { | |
1122 | int i, l, r; | |
1123 | int ll = cdr.AttenuatorLeftToLeft; | |
1124 | int lr = cdr.AttenuatorLeftToRight; | |
1125 | int rl = cdr.AttenuatorRightToLeft; | |
1126 | int rr = cdr.AttenuatorRightToRight; | |
1127 | ||
1128 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1129 | return; | |
1130 | ||
1131 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1132 | return; | |
1133 | ||
1134 | if (stereo) { | |
1135 | for (i = 0; i < samples; i++) { | |
1136 | l = buf[i * 2]; | |
1137 | r = buf[i * 2 + 1]; | |
1138 | l = (l * ll + r * rl) >> 7; | |
1139 | r = (r * rr + l * lr) >> 7; | |
1140 | ssat32_to_16(l); | |
1141 | ssat32_to_16(r); | |
1142 | buf[i * 2] = l; | |
1143 | buf[i * 2 + 1] = r; | |
1144 | } | |
1145 | } | |
1146 | else { | |
1147 | for (i = 0; i < samples; i++) { | |
1148 | l = buf[i]; | |
1149 | l = l * (ll + rl) >> 7; | |
1150 | //r = r * (rr + lr) >> 7; | |
1151 | ssat32_to_16(l); | |
1152 | //ssat32_to_16(r); | |
1153 | buf[i] = l; | |
1154 | } | |
1155 | } | |
1156 | } | |
1157 | ||
f5450cfb | 1158 | static void cdrReadInterruptSetResult(unsigned char result) |
d9a02493 | 1159 | { |
7f2576b2 | 1160 | if (cdr.Stat) { |
f5450cfb | 1161 | CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
1162 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], | |
1163 | cdr.CmdInProgress, cdr.Stat); | |
1164 | cdr.Irq1Pending = result; | |
ef79bbde P |
1165 | return; |
1166 | } | |
ef79bbde | 1167 | SetResultSize(1); |
f5450cfb | 1168 | cdr.Result[0] = result; |
1169 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
1170 | setIrq(0x203); | |
1171 | } | |
1172 | ||
1173 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1174 | { | |
1175 | if (!buf) | |
1176 | return; | |
1177 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1178 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1179 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
742a21f2 | 1180 | if (cdr.FifoOffset < 2048 + 12) |
1181 | CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
f5450cfb | 1182 | } |
1183 | ||
1184 | static void cdrReadInterrupt(void) | |
1185 | { | |
1186 | u8 *buf = NULL, *hdr; | |
1187 | ||
f522e63c | 1188 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); |
ef79bbde | 1189 | |
55b8460a | 1190 | ReadTrack(cdr.SetSectorPlay); |
f5450cfb | 1191 | if (cdr.NoErr) |
1192 | buf = CDR_getBuffer(); | |
ef79bbde | 1193 | if (buf == NULL) |
c9c7a925 | 1194 | cdr.NoErr = 0; |
ef79bbde | 1195 | |
c9c7a925 | 1196 | if (!cdr.NoErr) { |
8b380e97 | 1197 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde | 1198 | memset(cdr.Transfer, 0, DATA_SIZE); |
f5450cfb | 1199 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1200 | return; |
1201 | } | |
1202 | ||
f5450cfb | 1203 | if (!cdr.Irq1Pending) |
1204 | cdrUpdateTransferBuf(buf); | |
ef79bbde | 1205 | |
9f8b032d | 1206 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f5450cfb | 1207 | hdr = buf + 4; |
9f8b032d | 1208 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1209 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f5450cfb | 1210 | cdr.File = hdr[0]; |
1211 | cdr.Channel = hdr[1]; | |
9f8b032d | 1212 | } |
1213 | ||
e73e384c | 1214 | /* Gameblabla |
1215 | * Skips playing on channel 255. | |
1216 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1217 | * TODO : Check if this is the proper behaviour. | |
1218 | * */ | |
f5450cfb | 1219 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1220 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1221 | if (!ret) { |
53598a71 | 1222 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
9cf79034 | 1223 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1224 | cdr.FirstSector = 0; |
1225 | } | |
1226 | else cdr.FirstSector = -1; | |
1227 | } | |
1228 | } | |
1229 | ||
f5450cfb | 1230 | /* |
1231 | Croc 2: $40 - only FORM1 (*) | |
1232 | Judge Dredd: $C8 - only FORM1 (*) | |
1233 | Sim Theme Park - no adpcm at all (zero) | |
1234 | */ | |
1235 | ||
1236 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1237 | cdrReadInterruptSetResult(cdr.StatP); | |
1238 | ||
55b8460a | 1239 | cdr.SetSectorPlay[2]++; |
1240 | if (cdr.SetSectorPlay[2] == 75) { | |
1241 | cdr.SetSectorPlay[2] = 0; | |
1242 | cdr.SetSectorPlay[1]++; | |
1243 | if (cdr.SetSectorPlay[1] == 60) { | |
1244 | cdr.SetSectorPlay[1] = 0; | |
1245 | cdr.SetSectorPlay[0]++; | |
9f8b032d | 1246 | } |
1247 | } | |
1248 | ||
f5450cfb | 1249 | if (!cdr.Irq1Pending) { |
1250 | // update for CdlGetlocP | |
1251 | ReadTrack(cdr.SetSectorPlay); | |
1252 | } | |
9f8b032d | 1253 | |
df717ca9 | 1254 | CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f5450cfb | 1255 | } |
9f8b032d | 1256 | |
f5450cfb | 1257 | static void doMissedIrqs(void) |
1258 | { | |
1259 | if (cdr.Irq1Pending) | |
1260 | { | |
1261 | // hand out the "newest" sector, according to nocash | |
1262 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
1263 | CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", | |
1264 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
1265 | SetResultSize(1); | |
1266 | cdr.Result[0] = cdr.Irq1Pending; | |
1267 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
1268 | cdr.Irq1Pending = 0; | |
1269 | setIrq(0x205); | |
1270 | return; | |
ef79bbde | 1271 | } |
f5450cfb | 1272 | if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && cdr.CmdInProgress) |
1273 | CDR_INT(256); | |
ef79bbde P |
1274 | } |
1275 | ||
1276 | /* | |
1277 | cdrRead0: | |
94c118c3 | 1278 | bit 0,1 - mode |
ef79bbde P |
1279 | bit 2 - unknown |
1280 | bit 3 - unknown | |
1281 | bit 4 - unknown | |
1282 | bit 5 - 1 result ready | |
1283 | bit 6 - 1 dma ready | |
1284 | bit 7 - 1 command being processed | |
1285 | */ | |
1286 | ||
1287 | unsigned char cdrRead0(void) { | |
1288 | if (cdr.ResultReady) | |
1289 | cdr.Ctrl |= 0x20; | |
1290 | else | |
1291 | cdr.Ctrl &= ~0x20; | |
1292 | ||
7f2576b2 | 1293 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1294 | |
1295 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1296 | cdr.Ctrl |= 0x18; | |
1297 | ||
af93c8be | 1298 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1299 | |
1300 | return psxHu8(0x1800) = cdr.Ctrl; | |
1301 | } | |
1302 | ||
ef79bbde | 1303 | void cdrWrite0(unsigned char rt) { |
af93c8be | 1304 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1305 | |
50b13be9 | 1306 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1307 | } |
1308 | ||
1309 | unsigned char cdrRead1(void) { | |
94c118c3 | 1310 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1311 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1312 | else |
ef79bbde | 1313 | psxHu8(0x1801) = 0; |
94c118c3 | 1314 | cdr.ResultP++; |
1315 | if (cdr.ResultP == cdr.ResultC) | |
1316 | cdr.ResultReady = 0; | |
1317 | ||
af93c8be | 1318 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1319 | |
ef79bbde P |
1320 | return psxHu8(0x1801); |
1321 | } | |
1322 | ||
1323 | void cdrWrite1(unsigned char rt) { | |
af93c8be | 1324 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1325 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1326 | |
94c118c3 | 1327 | switch (cdr.Ctrl & 3) { |
1328 | case 0: | |
1329 | break; | |
1330 | case 3: | |
53598a71 | 1331 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1332 | return; |
1333 | default: | |
1334 | return; | |
9f8b032d | 1335 | } |
1336 | ||
8b380e97 | 1337 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1338 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1339 | if (cdr.ParamC) { |
af93c8be | 1340 | int i; |
ef79bbde P |
1341 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1342 | for (i = 0; i < cdr.ParamC; i++) | |
1343 | SysPrintf(" %x,", cdr.Param[i]); | |
1344 | SysPrintf("}\n"); | |
1345 | } else { | |
1346 | SysPrintf("\n"); | |
1347 | } | |
1348 | #endif | |
1349 | ||
2daaaae3 | 1350 | cdr.ResultReady = 0; |
94c118c3 | 1351 | cdr.Ctrl |= 0x80; |
8b380e97 | 1352 | |
7f2576b2 | 1353 | if (!cdr.CmdInProgress) { |
1354 | cdr.CmdInProgress = rt; | |
1355 | // should be something like 12k + controller delays | |
1356 | CDR_INT(5000); | |
9f8b032d | 1357 | } |
7f2576b2 | 1358 | else { |
1359 | CDR_LOG_I("cdr: cmd while busy: %02x, prev %02x, busy %02x\n", | |
1360 | rt, cdr.Cmd, cdr.CmdInProgress); | |
1361 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response | |
1362 | cdr.CmdInProgress = rt; | |
1363 | } | |
1364 | ||
1365 | cdr.Cmd = rt; | |
ef79bbde P |
1366 | } |
1367 | ||
1368 | unsigned char cdrRead2(void) { | |
79cd4919 | 1369 | unsigned char ret = 0; |
ef79bbde | 1370 | |
742a21f2 | 1371 | if (cdr.FifoOffset < cdr.FifoSize) |
79cd4919 | 1372 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1373 | else | |
742a21f2 | 1374 | CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1375 | |
af93c8be | 1376 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1377 | return ret; |
1378 | } | |
1379 | ||
1380 | void cdrWrite2(unsigned char rt) { | |
af93c8be | 1381 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1382 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], 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; | |
af93c8be | 1391 | setIrq(0x204); |
94c118c3 | 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 | |
af93c8be | 1408 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1409 | return psxHu8(0x1803); |
1410 | } | |
1411 | ||
1412 | void cdrWrite3(unsigned char rt) { | |
af93c8be | 1413 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1414 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1415 | |
94c118c3 | 1416 | switch (cdr.Ctrl & 3) { |
1417 | case 0: | |
a34a2445 | 1418 | break; // transfer |
94c118c3 | 1419 | case 1: |
7f2576b2 | 1420 | #ifdef CDR_LOG_CMD_IRQ |
1421 | if (cdr.Stat & rt) | |
1422 | SysPrintf("ack %02x\n", cdr.Stat & rt); | |
1423 | #endif | |
a34a2445 | 1424 | cdr.Stat &= ~rt; |
1425 | ||
1426 | if (rt & 0x40) | |
1427 | cdr.ParamC = 0; | |
f5450cfb | 1428 | doMissedIrqs(); |
a34a2445 | 1429 | return; |
94c118c3 | 1430 | case 2: |
53598a71 | 1431 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1432 | return; |
1433 | case 3: | |
53598a71 | 1434 | if (rt & 0x20) { |
1435 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
7f2576b2 | 1436 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1437 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1438 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1439 | } | |
94c118c3 | 1440 | return; |
9f8b032d | 1441 | } |
056d6759 | 1442 | |
742a21f2 | 1443 | // test: Viewpoint |
1444 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1445 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1446 | } | |
1447 | else if (rt & 0x80) { | |
ef79bbde | 1448 | switch (cdr.Mode & 0x30) { |
9f8b032d | 1449 | case MODE_SIZE_2328: |
ef79bbde | 1450 | case 0x00: |
79cd4919 | 1451 | cdr.FifoOffset = 12; |
742a21f2 | 1452 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1453 | break; |
9f8b032d | 1454 | |
1455 | case MODE_SIZE_2340: | |
ef79bbde | 1456 | default: |
79cd4919 | 1457 | cdr.FifoOffset = 0; |
742a21f2 | 1458 | cdr.FifoSize = 2340; |
ef79bbde P |
1459 | break; |
1460 | } | |
1461 | } | |
742a21f2 | 1462 | else if (!(rt & 0xc0)) |
1463 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1464 | } |
1465 | ||
1466 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1467 | u32 cdsize; | |
c7071c43 | 1468 | int size; |
ef79bbde P |
1469 | u8 *ptr; |
1470 | ||
ef79bbde | 1471 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde | 1472 | |
4f329f16 | 1473 | switch (chcr & 0x71000000) { |
ef79bbde | 1474 | case 0x11000000: |
ef79bbde P |
1475 | ptr = (u8 *)PSXM(madr); |
1476 | if (ptr == NULL) { | |
79cd4919 | 1477 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1478 | break; |
1479 | } | |
9f8b032d | 1480 | |
79cd4919 | 1481 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1482 | ||
9f8b032d | 1483 | /* |
1484 | GS CDX: Enhancement CD crash | |
1485 | - Setloc 0:0:0 | |
1486 | - CdlPlay | |
1487 | - Spams DMA3 and gets buffer overrun | |
1488 | */ | |
79cd4919 | 1489 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1490 | if (size > cdsize) |
1491 | size = cdsize; | |
1492 | if (size > 0) | |
9f8b032d | 1493 | { |
79cd4919 | 1494 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1495 | cdr.FifoOffset += size; | |
1496 | psxCpu->Clear(madr, size / 4); | |
9f8b032d | 1497 | } |
6c9db47c | 1498 | if (size < cdsize) |
1499 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); | |
9f8b032d | 1500 | |
4f329f16 | 1501 | CDRDMA_INT((cdsize/4) * 24); |
1502 | ||
1503 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1504 | if (chcr & 0x100) { | |
58ebb94c | 1505 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
4f329f16 | 1506 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1507 | } |
4f329f16 | 1508 | else { |
fc4803bd | 1509 | // halted |
4f329f16 | 1510 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1511 | } |
1512 | return; | |
1513 | ||
ef79bbde | 1514 | default: |
6c9db47c | 1515 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1516 | break; |
1517 | } | |
1518 | ||
1519 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1520 | DMA_INTERRUPT(3); | |
1521 | } | |
1522 | ||
d9a02493 | 1523 | void cdrDmaInterrupt(void) |
9f8b032d | 1524 | { |
ad418c19 | 1525 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1526 | { | |
1527 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1528 | DMA_INTERRUPT(3); | |
1529 | } | |
9f8b032d | 1530 | } |
1531 | ||
fffad32e | 1532 | static void getCdInfo(void) |
1533 | { | |
1534 | u8 tmp; | |
1535 | ||
1536 | CDR_getTN(cdr.ResultTN); | |
1537 | CDR_getTD(0, cdr.SetSectorEnd); | |
1538 | tmp = cdr.SetSectorEnd[0]; | |
1539 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1540 | cdr.SetSectorEnd[2] = tmp; | |
1541 | } | |
1542 | ||
ef79bbde P |
1543 | void cdrReset() { |
1544 | memset(&cdr, 0, sizeof(cdr)); | |
1545 | cdr.CurTrack = 1; | |
1546 | cdr.File = 1; | |
1547 | cdr.Channel = 1; | |
a2d3ccb8 | 1548 | cdr.Reg2 = 0x1f; |
1549 | cdr.Stat = NoIntr; | |
80f91a20 | 1550 | cdr.DriveState = DRIVESTATE_STANDBY; |
22bbabf6 | 1551 | cdr.StatP = STATUS_ROTATING; |
79cd4919 | 1552 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
c9c7a925 | 1553 | |
056d6759 | 1554 | // BIOS player - default values |
53598a71 | 1555 | cdr.AttenuatorLeftToLeft = 0x80; |
1556 | cdr.AttenuatorLeftToRight = 0x00; | |
1557 | cdr.AttenuatorRightToLeft = 0x00; | |
1558 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1559 | |
1560 | getCdInfo(); | |
ef79bbde P |
1561 | } |
1562 | ||
496d88d4 | 1563 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1564 | u32 tmp; |
fffad32e | 1565 | u8 tmpp[3]; |
ef79bbde | 1566 | |
fffad32e | 1567 | if (Mode == 0 && !Config.Cdda) |
1568 | CDR_stop(); | |
9f8b032d | 1569 | |
55b8460a | 1570 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1571 | gzfreeze(&cdr, sizeof(cdr)); |
1572 | ||
94c118c3 | 1573 | if (Mode == 1) { |
1574 | cdr.ParamP = cdr.ParamC; | |
79cd4919 | 1575 | tmp = cdr.FifoOffset; |
94c118c3 | 1576 | } |
ef79bbde P |
1577 | |
1578 | gzfreeze(&tmp, sizeof(tmp)); | |
1579 | ||
42f3c512 | 1580 | if (Mode == 0) { |
fffad32e | 1581 | getCdInfo(); |
1582 | ||
79cd4919 | 1583 | cdr.FifoOffset = tmp; |
742a21f2 | 1584 | cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12; |
ef79bbde | 1585 | |
fffad32e | 1586 | // read right sub data |
f84d4864 DS |
1587 | tmpp[0] = btoi(cdr.Prev[0]); |
1588 | tmpp[1] = btoi(cdr.Prev[1]); | |
1589 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1590 | cdr.Prev[0]++; |
73b29eeb | 1591 | ReadTrack(tmpp); |
fffad32e | 1592 | |
1593 | if (cdr.Play) { | |
55b8460a | 1594 | if (cdr.freeze_ver < 0x63647202) |
1595 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1596 | ||
fffad32e | 1597 | Find_CurTrack(cdr.SetSectorPlay); |
1598 | if (!Config.Cdda) | |
1599 | CDR_play(cdr.SetSectorPlay); | |
d9a02493 | 1600 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
df717ca9 | 1601 | CDRPLAYSEEKREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1602 | } |
c69642c8 | 1603 | |
1604 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1605 | // old versions did not latch Reg2, have to fixup.. | |
1606 | if (cdr.Reg2 == 0) { | |
1607 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1608 | cdr.Reg2 = 7; | |
1609 | } | |
0f2dee0f | 1610 | // also did not save Attenuator.. |
1611 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1612 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1613 | { | |
1614 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1615 | } | |
c69642c8 | 1616 | } |
42f3c512 | 1617 | } |
1618 | ||
ef79bbde P |
1619 | return 0; |
1620 | } | |
9f8b032d | 1621 | |
d9a02493 | 1622 | void LidInterrupt(void) { |
fffad32e | 1623 | getCdInfo(); |
80f91a20 | 1624 | cdrLidSeekInterrupt(); |
9f8b032d | 1625 | } |