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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 | ||
752c1c85 | 24 | #include <assert.h> |
ef79bbde P |
25 | #include "cdrom.h" |
26 | #include "ppf.h" | |
9f8b032d | 27 | #include "psxdma.h" |
8f2bb0cb | 28 | #include "arm_features.h" |
ef79bbde | 29 | |
8b380e97 | 30 | /* logging */ |
31 | #if 0 | |
32 | #define CDR_LOG SysPrintf | |
33 | #else | |
34 | #define CDR_LOG(...) | |
35 | #endif | |
36 | #if 0 | |
37 | #define CDR_LOG_I SysPrintf | |
38 | #else | |
10b9bf1e | 39 | #define CDR_LOG_I(fmt, ...) \ |
40 | log_unhandled("%u cdrom: " fmt, psxRegs.cycle, ##__VA_ARGS__) | |
8b380e97 | 41 | #endif |
42 | #if 0 | |
43 | #define CDR_LOG_IO SysPrintf | |
44 | #else | |
45 | #define CDR_LOG_IO(...) | |
46 | #endif | |
47 | //#define CDR_LOG_CMD_IRQ | |
48 | ||
af93c8be | 49 | static struct { |
7f2576b2 | 50 | // unused members maintain savesate compatibility |
51 | unsigned char unused0; | |
52 | unsigned char unused1; | |
af93c8be | 53 | unsigned char Reg2; |
7f2576b2 | 54 | unsigned char unused2; |
af93c8be | 55 | unsigned char Ctrl; |
56 | unsigned char Stat; | |
57 | ||
58 | unsigned char StatP; | |
59 | ||
60 | unsigned char Transfer[DATA_SIZE]; | |
61 | struct { | |
62 | unsigned char Track; | |
63 | unsigned char Index; | |
64 | unsigned char Relative[3]; | |
65 | unsigned char Absolute[3]; | |
66 | } subq; | |
67 | unsigned char TrackChanged; | |
7f2576b2 | 68 | unsigned char unused3[3]; |
af93c8be | 69 | unsigned int freeze_ver; |
70 | ||
71 | unsigned char Prev[4]; | |
72 | unsigned char Param[8]; | |
73 | unsigned char Result[16]; | |
74 | ||
75 | unsigned char ParamC; | |
76 | unsigned char ParamP; | |
77 | unsigned char ResultC; | |
78 | unsigned char ResultP; | |
79 | unsigned char ResultReady; | |
80 | unsigned char Cmd; | |
752c1c85 | 81 | unsigned char SubqForwardSectors; |
af93c8be | 82 | unsigned char SetlocPending; |
83 | u32 Reading; | |
84 | ||
85 | unsigned char ResultTN[6]; | |
86 | unsigned char ResultTD[4]; | |
87 | unsigned char SetSectorPlay[4]; | |
88 | unsigned char SetSectorEnd[4]; | |
89 | unsigned char SetSector[4]; | |
90 | unsigned char Track; | |
91 | boolean Play, Muted; | |
92 | int CurTrack; | |
93 | int Mode, File, Channel; | |
70c1043e | 94 | unsigned char LocL[8]; |
af93c8be | 95 | int FirstSector; |
96 | ||
97 | xa_decode_t Xa; | |
98 | ||
742a21f2 | 99 | u16 FifoOffset; |
100 | u16 FifoSize; | |
af93c8be | 101 | |
7f2576b2 | 102 | u16 CmdInProgress; |
f5450cfb | 103 | u8 Irq1Pending; |
104 | u8 unused5; | |
7f2576b2 | 105 | u32 unused6; |
af93c8be | 106 | |
7f2576b2 | 107 | u8 unused7; |
af93c8be | 108 | |
109 | u8 DriveState; | |
110 | u8 FastForward; | |
111 | u8 FastBackward; | |
7f2576b2 | 112 | u8 unused8; |
af93c8be | 113 | |
114 | u8 AttenuatorLeftToLeft, AttenuatorLeftToRight; | |
115 | u8 AttenuatorRightToRight, AttenuatorRightToLeft; | |
116 | u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT; | |
117 | u8 AttenuatorRightToRightT, AttenuatorRightToLeftT; | |
118 | } cdr; | |
f4627eb3 | 119 | static s16 read_buf[CD_FRAMESIZE_RAW/2]; |
ef79bbde P |
120 | |
121 | /* CD-ROM magic numbers */ | |
1f035e27 | 122 | #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ |
ef79bbde P |
123 | #define CdlNop 1 |
124 | #define CdlSetloc 2 | |
125 | #define CdlPlay 3 | |
126 | #define CdlForward 4 | |
127 | #define CdlBackward 5 | |
128 | #define CdlReadN 6 | |
129 | #define CdlStandby 7 | |
130 | #define CdlStop 8 | |
131 | #define CdlPause 9 | |
b0bd140d | 132 | #define CdlReset 10 |
ef79bbde P |
133 | #define CdlMute 11 |
134 | #define CdlDemute 12 | |
135 | #define CdlSetfilter 13 | |
136 | #define CdlSetmode 14 | |
dcd72441 | 137 | #define CdlGetparam 15 |
ef79bbde P |
138 | #define CdlGetlocL 16 |
139 | #define CdlGetlocP 17 | |
140 | #define CdlReadT 18 | |
141 | #define CdlGetTN 19 | |
142 | #define CdlGetTD 20 | |
143 | #define CdlSeekL 21 | |
144 | #define CdlSeekP 22 | |
145 | #define CdlSetclock 23 | |
146 | #define CdlGetclock 24 | |
147 | #define CdlTest 25 | |
148 | #define CdlID 26 | |
149 | #define CdlReadS 27 | |
b0bd140d | 150 | #define CdlInit 28 |
e4268a49 | 151 | #define CdlGetQ 29 |
ef79bbde P |
152 | #define CdlReadToc 30 |
153 | ||
af93c8be | 154 | #ifdef CDR_LOG_CMD_IRQ |
155 | static const char * const CmdName[0x100] = { | |
ef79bbde P |
156 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
157 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
b0bd140d | 158 | "CdlStop", "CdlPause", "CdlReset", "CdlMute", |
dcd72441 | 159 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", |
ef79bbde P |
160 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
161 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
162 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
b0bd140d | 163 | "CdlInit", NULL, "CDlReadToc", NULL |
ef79bbde | 164 | }; |
af93c8be | 165 | #endif |
ef79bbde P |
166 | |
167 | unsigned char Test04[] = { 0 }; | |
168 | unsigned char Test05[] = { 0 }; | |
169 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
170 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
171 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
172 | ||
9f8b032d | 173 | // cdr.Stat: |
174 | #define NoIntr 0 | |
175 | #define DataReady 1 | |
176 | #define Complete 2 | |
177 | #define Acknowledge 3 | |
178 | #define DataEnd 4 | |
179 | #define DiskError 5 | |
180 | ||
181 | /* Modes flags */ | |
182 | #define MODE_SPEED (1<<7) // 0x80 | |
183 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
184 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
185 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 186 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 187 | #define MODE_SF (1<<3) // 0x08 channel on/off |
188 | #define MODE_REPORT (1<<2) // 0x04 | |
189 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
190 | #define MODE_CDDA (1<<0) // 0x01 | |
191 | ||
192 | /* Status flags */ | |
193 | #define STATUS_PLAY (1<<7) // 0x80 | |
194 | #define STATUS_SEEK (1<<6) // 0x40 | |
195 | #define STATUS_READ (1<<5) // 0x20 | |
196 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
197 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
198 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
199 | #define STATUS_ROTATING (1<<1) // 0x02 | |
200 | #define STATUS_ERROR (1<<0) // 0x01 | |
201 | ||
e4268a49 | 202 | /* Errors */ |
003cfc63 | 203 | #define ERROR_NOTREADY (1<<7) // 0x80 |
e4268a49 | 204 | #define ERROR_INVALIDCMD (1<<6) // 0x40 |
205 | #define ERROR_INVALIDARG (1<<5) // 0x20 | |
9f8b032d | 206 | |
ef79bbde P |
207 | // 1x = 75 sectors per second |
208 | // PSXCLK = 1 sec in the ps | |
209 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
210 | #define cdReadTime (PSXCLK / 75) | |
211 | ||
70c1043e | 212 | #define LOCL_INVALID 0xff |
752c1c85 | 213 | #define SUBQ_FORWARD_SECTORS 2u |
70c1043e | 214 | |
80f91a20 | 215 | enum drive_state { |
f522e63c | 216 | DRIVESTATE_STANDBY = 0, // pause, play, read |
80f91a20 | 217 | DRIVESTATE_LID_OPEN, |
218 | DRIVESTATE_RESCAN_CD, | |
219 | DRIVESTATE_PREPARE_CD, | |
e4268a49 | 220 | DRIVESTATE_STOPPED, |
80f91a20 | 221 | }; |
222 | ||
ef79bbde | 223 | static struct CdrStat stat; |
ef79bbde | 224 | |
fffad32e | 225 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 226 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
227 | } | |
228 | ||
fffad32e | 229 | // for that weird psemu API.. |
230 | static unsigned int fsm2sec(const u8 *msf) { | |
231 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
232 | } | |
233 | ||
305c8c93 | 234 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 235 | msf[0] = s / 75 / 60; |
236 | s = s - msf[0] * 75 * 60; | |
237 | msf[1] = s / 75; | |
238 | s = s - msf[1] * 75; | |
239 | msf[2] = s; | |
240 | } | |
241 | ||
39df67df | 242 | // cdrInterrupt |
ef79bbde | 243 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 244 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
245 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
246 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
247 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 248 | } |
ef79bbde | 249 | |
480e570b | 250 | // cdrPlayReadInterrupt |
251 | #define CDRPLAYREAD_INT(eCycle, isFirst) { \ | |
df717ca9 | 252 | u32 e_ = eCycle; \ |
d28b54b1 | 253 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
df717ca9 | 254 | if (isFirst) \ |
255 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
256 | else \ | |
257 | psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \ | |
258 | psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \ | |
259 | new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \ | |
ae602c19 | 260 | } |
ef79bbde | 261 | |
39df67df | 262 | // cdrLidSeekInterrupt |
9f8b032d | 263 | #define CDRLID_INT(eCycle) { \ |
264 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
265 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
266 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
267 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
268 | } | |
269 | ||
ef79bbde | 270 | #define StopReading() { \ |
f522e63c | 271 | cdr.Reading = 0; \ |
272 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ | |
ef79bbde P |
273 | } |
274 | ||
275 | #define StopCdda() { \ | |
f522e63c | 276 | if (cdr.Play && !Config.Cdda) CDR_stop(); \ |
277 | cdr.Play = FALSE; \ | |
278 | cdr.FastForward = 0; \ | |
279 | cdr.FastBackward = 0; \ | |
280 | } | |
281 | ||
282 | #define SetPlaySeekRead(x, f) { \ | |
283 | x &= ~(STATUS_PLAY | STATUS_SEEK | STATUS_READ); \ | |
284 | x |= f; \ | |
ef79bbde P |
285 | } |
286 | ||
287 | #define SetResultSize(size) { \ | |
94c118c3 | 288 | cdr.ResultP = 0; \ |
ef79bbde P |
289 | cdr.ResultC = size; \ |
290 | cdr.ResultReady = 1; \ | |
291 | } | |
292 | ||
af93c8be | 293 | static void setIrq(int log_cmd) |
94c118c3 | 294 | { |
295 | if (cdr.Stat & cdr.Reg2) | |
296 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
af93c8be | 297 | |
298 | #ifdef CDR_LOG_CMD_IRQ | |
7f2576b2 | 299 | if (cdr.Stat) |
af93c8be | 300 | { |
301 | int i; | |
10b9bf1e | 302 | CDR_LOG_I("CDR IRQ=%d cmd %02x stat %02x: ", |
303 | !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); | |
af93c8be | 304 | for (i = 0; i < cdr.ResultC; i++) |
305 | SysPrintf("%02x ", cdr.Result[i]); | |
306 | SysPrintf("\n"); | |
307 | } | |
308 | #endif | |
94c118c3 | 309 | } |
9f8b032d | 310 | |
80f91a20 | 311 | // timing used in this function was taken from tests on real hardware |
312 | // (yes it's slow, but you probably don't want to modify it) | |
d9a02493 | 313 | void cdrLidSeekInterrupt(void) |
9f8b032d | 314 | { |
10b9bf1e | 315 | CDR_LOG_I("%s cdr.DriveState=%d\n", __func__, cdr.DriveState); |
871bedc6 | 316 | |
80f91a20 | 317 | switch (cdr.DriveState) { |
318 | default: | |
319 | case DRIVESTATE_STANDBY: | |
f522e63c | 320 | StopCdda(); |
321 | StopReading(); | |
322 | SetPlaySeekRead(cdr.StatP, 0); | |
9f8b032d | 323 | |
80f91a20 | 324 | if (CDR_getStatus(&stat) == -1) |
325 | return; | |
9f8b032d | 326 | |
80f91a20 | 327 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 328 | { |
4d311cb7 | 329 | memset(cdr.Prev, 0xff, sizeof(cdr.Prev)); |
80f91a20 | 330 | cdr.DriveState = DRIVESTATE_LID_OPEN; |
331 | CDRLID_INT(0x800); | |
332 | } | |
333 | break; | |
9f8b032d | 334 | |
80f91a20 | 335 | case DRIVESTATE_LID_OPEN: |
336 | if (CDR_getStatus(&stat) == -1) | |
337 | stat.Status &= ~STATUS_SHELLOPEN; | |
9f8b032d | 338 | |
80f91a20 | 339 | // 02, 12, 10 |
340 | if (!(cdr.StatP & STATUS_SHELLOPEN)) { | |
80f91a20 | 341 | cdr.StatP |= STATUS_SHELLOPEN; |
9f8b032d | 342 | |
80f91a20 | 343 | // could generate error irq here, but real hardware |
344 | // only sometimes does that | |
345 | // (not done when lots of commands are sent?) | |
9f8b032d | 346 | |
80f91a20 | 347 | CDRLID_INT(cdReadTime * 30); |
348 | break; | |
9f8b032d | 349 | } |
80f91a20 | 350 | else if (cdr.StatP & STATUS_ROTATING) { |
351 | cdr.StatP &= ~STATUS_ROTATING; | |
352 | } | |
353 | else if (!(stat.Status & STATUS_SHELLOPEN)) { | |
354 | // closed now | |
355 | CheckCdrom(); | |
9f8b032d | 356 | |
80f91a20 | 357 | // cdr.StatP STATUS_SHELLOPEN is "sticky" |
358 | // and is only cleared by CdlNop | |
9f8b032d | 359 | |
80f91a20 | 360 | cdr.DriveState = DRIVESTATE_RESCAN_CD; |
361 | CDRLID_INT(cdReadTime * 105); | |
362 | break; | |
363 | } | |
9f8b032d | 364 | |
80f91a20 | 365 | // recheck for close |
366 | CDRLID_INT(cdReadTime * 3); | |
367 | break; | |
9f8b032d | 368 | |
80f91a20 | 369 | case DRIVESTATE_RESCAN_CD: |
370 | cdr.StatP |= STATUS_ROTATING; | |
371 | cdr.DriveState = DRIVESTATE_PREPARE_CD; | |
9f8b032d | 372 | |
80f91a20 | 373 | // this is very long on real hardware, over 6 seconds |
374 | // make it a bit faster here... | |
375 | CDRLID_INT(cdReadTime * 150); | |
376 | break; | |
9f8b032d | 377 | |
80f91a20 | 378 | case DRIVESTATE_PREPARE_CD: |
871bedc6 | 379 | if (cdr.StatP & STATUS_SEEK) { |
380 | SetPlaySeekRead(cdr.StatP, 0); | |
381 | cdr.DriveState = DRIVESTATE_STANDBY; | |
382 | } | |
383 | else { | |
384 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); | |
385 | CDRLID_INT(cdReadTime * 26); | |
386 | } | |
80f91a20 | 387 | break; |
9f8b032d | 388 | } |
389 | } | |
390 | ||
fffad32e | 391 | static void Find_CurTrack(const u8 *time) |
392 | { | |
393 | int current, sect; | |
9f8b032d | 394 | |
fffad32e | 395 | current = msf2sec(time); |
9f8b032d | 396 | |
fffad32e | 397 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
398 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
399 | sect = fsm2sec(cdr.ResultTD); | |
400 | if (sect - current >= 150) | |
9f8b032d | 401 | break; |
9f8b032d | 402 | } |
403 | } | |
404 | ||
73b29eeb | 405 | static void generate_subq(const u8 *time) |
406 | { | |
407 | unsigned char start[3], next[3]; | |
408 | unsigned int this_s, start_s, next_s, pregap; | |
409 | int relative_s; | |
410 | ||
411 | CDR_getTD(cdr.CurTrack, start); | |
412 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
413 | pregap = 150; | |
414 | CDR_getTD(cdr.CurTrack + 1, next); | |
415 | } | |
416 | else { | |
417 | // last track - cd size | |
418 | pregap = 0; | |
419 | next[0] = cdr.SetSectorEnd[2]; | |
420 | next[1] = cdr.SetSectorEnd[1]; | |
421 | next[2] = cdr.SetSectorEnd[0]; | |
422 | } | |
423 | ||
424 | this_s = msf2sec(time); | |
425 | start_s = fsm2sec(start); | |
426 | next_s = fsm2sec(next); | |
427 | ||
428 | cdr.TrackChanged = FALSE; | |
429 | ||
430 | if (next_s - this_s < pregap) { | |
431 | cdr.TrackChanged = TRUE; | |
432 | cdr.CurTrack++; | |
433 | start_s = next_s; | |
434 | } | |
435 | ||
436 | cdr.subq.Index = 1; | |
437 | ||
438 | relative_s = this_s - start_s; | |
439 | if (relative_s < 0) { | |
440 | cdr.subq.Index = 0; | |
441 | relative_s = -relative_s; | |
442 | } | |
443 | sec2msf(relative_s, cdr.subq.Relative); | |
444 | ||
445 | cdr.subq.Track = itob(cdr.CurTrack); | |
446 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
447 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
448 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
449 | cdr.subq.Absolute[0] = itob(time[0]); | |
450 | cdr.subq.Absolute[1] = itob(time[1]); | |
451 | cdr.subq.Absolute[2] = itob(time[2]); | |
452 | } | |
453 | ||
752c1c85 | 454 | static int ReadTrack(const u8 *time) |
455 | { | |
fffad32e | 456 | unsigned char tmp[3]; |
70c1043e | 457 | int read_ok; |
ef79bbde | 458 | |
fffad32e | 459 | tmp[0] = itob(time[0]); |
460 | tmp[1] = itob(time[1]); | |
461 | tmp[2] = itob(time[2]); | |
ef79bbde | 462 | |
fffad32e | 463 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
70c1043e | 464 | return 1; |
39df67df | 465 | |
fffad32e | 466 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 467 | |
70c1043e | 468 | read_ok = CDR_readTrack(tmp); |
e0f25b64 | 469 | if (read_ok) |
470 | memcpy(cdr.Prev, tmp, 3); | |
752c1c85 | 471 | return read_ok; |
472 | } | |
473 | ||
474 | static void UpdateSubq(const u8 *time) | |
475 | { | |
476 | const struct SubQ *subq; | |
477 | u16 crc; | |
9f8b032d | 478 | |
fffad32e | 479 | if (CheckSBI(time)) |
752c1c85 | 480 | return; |
9f8b032d | 481 | |
752c1c85 | 482 | subq = (struct SubQ *)CDR_getBufferSub(MSF2SECT(time[0], time[1], time[2])); |
73b29eeb | 483 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 484 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 485 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 486 | cdr.subq.Track = subq->TrackNumber; |
487 | cdr.subq.Index = subq->IndexNumber; | |
488 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
489 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 490 | } |
92ca1ba6 | 491 | else { |
752c1c85 | 492 | CDR_LOG_I("subq bad crc @%02d:%02d:%02d\n", |
493 | time[0], time[1], time[2]); | |
92ca1ba6 | 494 | } |
9f8b032d | 495 | } |
fffad32e | 496 | else { |
73b29eeb | 497 | generate_subq(time); |
9f8b032d | 498 | } |
9f8b032d | 499 | |
fffad32e | 500 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
501 | cdr.subq.Track, cdr.subq.Index, | |
502 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
503 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
504 | } | |
9f8b032d | 505 | |
7f457614 | 506 | static void cdrPlayInterrupt_Autopause() |
507 | { | |
bf4df3ba | 508 | u32 abs_lev_max = 0; |
509 | boolean abs_lev_chselect; | |
510 | u32 i; | |
f4627eb3 | 511 | |
fffad32e | 512 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 513 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 514 | |
515 | // Magic the Gathering | |
516 | // - looping territory cdda | |
517 | ||
518 | // ...? | |
519 | //cdr.ResultReady = 1; | |
520 | //cdr.Stat = DataReady; | |
521 | cdr.Stat = DataEnd; | |
8aeb66dc | 522 | setIrq(0x1000); // 0x1000 just for logging purposes |
7f457614 | 523 | |
524 | StopCdda(); | |
f522e63c | 525 | SetPlaySeekRead(cdr.StatP, 0); |
7f457614 | 526 | } |
c9c7a925 | 527 | else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { |
fffad32e | 528 | cdr.Result[0] = cdr.StatP; |
529 | cdr.Result[1] = cdr.subq.Track; | |
530 | cdr.Result[2] = cdr.subq.Index; | |
bf4df3ba | 531 | |
532 | abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; | |
533 | ||
534 | /* 8 is a hack. For accuracy, it should be 588. */ | |
535 | for (i = 0; i < 8; i++) | |
536 | { | |
537 | abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); | |
538 | } | |
539 | abs_lev_max = MIN_VALUE(abs_lev_max, 32767); | |
540 | abs_lev_max |= abs_lev_chselect << 15; | |
9b470ab7 | 541 | |
fffad32e | 542 | if (cdr.subq.Absolute[2] & 0x10) { |
543 | cdr.Result[3] = cdr.subq.Relative[0]; | |
544 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
545 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 546 | } |
fffad32e | 547 | else { |
548 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
549 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
550 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
551 | } | |
552 | ||
bf4df3ba | 553 | cdr.Result[6] = abs_lev_max >> 0; |
554 | cdr.Result[7] = abs_lev_max >> 8; | |
7f457614 | 555 | |
556 | // Rayman: Logo freeze (resultready + dataready) | |
557 | cdr.ResultReady = 1; | |
558 | cdr.Stat = DataReady; | |
559 | ||
560 | SetResultSize(8); | |
8aeb66dc | 561 | setIrq(0x1001); |
7f457614 | 562 | } |
563 | } | |
564 | ||
f522e63c | 565 | static int cdrSeekTime(unsigned char *target) |
566 | { | |
415213c9 | 567 | int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); |
568 | int seekTime = abs(diff) * (cdReadTime / 200); | |
f522e63c | 569 | /* |
570 | * Gameblabla : | |
571 | * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball | |
572 | * and was unreliable for that game. | |
573 | * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. | |
574 | * | |
575 | * Obviously, this isn't perfect but right now, it should be a bit better. | |
576 | * Games to test this against if you change that setting : | |
577 | * - Driver (titlescreen music delay and retry mission) | |
578 | * - Worms Pinball (Will either not boot or crash in the memory card screen) | |
579 | * - Viewpoint (short pauses if the delay in the ingame music is too long) | |
580 | * | |
581 | * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. | |
582 | * However, 1000000 is not enough for Worms Pinball to reliably boot. | |
583 | */ | |
584 | if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; | |
585 | CDR_LOG("seek: %.2f %.2f\n", (float)seekTime / PSXCLK, (float)seekTime / cdReadTime); | |
586 | return seekTime; | |
587 | } | |
588 | ||
4134c627 | 589 | static u32 cdrAlignTimingHack(u32 cycles) |
590 | { | |
591 | /* | |
592 | * timing hack for T'ai Fu - Wrath of the Tiger: | |
593 | * The game has a bug where it issues some cdc commands from a low priority | |
594 | * vint handler, however there is a higher priority default bios handler | |
595 | * that acks the vint irq and returns, so game's handler is not reached | |
596 | * (see bios irq handler chains at e004 and the game's irq handling func | |
597 | * at 80036810). For the game to work, vint has to arrive after the bios | |
598 | * vint handler rejects some other irq (of which only cd and rcnt2 are | |
599 | * active), but before the game's handler loop reads I_STAT. The time | |
600 | * window for this is quite small (~1k cycles of so). Apparently this | |
601 | * somehow happens naturally on the real hardware. | |
688bdb95 | 602 | * |
603 | * Note: always enforcing this breaks other games like Crash PAL version | |
604 | * (inputs get dropped because bios handler doesn't see interrupts). | |
4134c627 | 605 | */ |
688bdb95 | 606 | u32 vint_rel; |
607 | if (psxRegs.cycle - rcnts[3].cycleStart > 250000) | |
608 | return cycles; | |
609 | vint_rel = rcnts[3].cycleStart + 63000 - psxRegs.cycle; | |
4134c627 | 610 | vint_rel += PSXCLK / 60; |
611 | while ((s32)(vint_rel - cycles) < 0) | |
612 | vint_rel += PSXCLK / 60; | |
613 | return vint_rel; | |
614 | } | |
615 | ||
38e03f0a | 616 | static void cdrUpdateTransferBuf(const u8 *buf); |
d9a02493 | 617 | static void cdrReadInterrupt(void); |
4ad17db3 | 618 | static void cdrPrepCdda(s16 *buf, int samples); |
619 | static void cdrAttenuate(s16 *buf, int samples, int stereo); | |
d9a02493 | 620 | |
752c1c85 | 621 | static void msfiAdd(u8 *msfi, u32 count) |
622 | { | |
623 | assert(count < 75); | |
624 | msfi[2] += count; | |
625 | if (msfi[2] >= 75) { | |
626 | msfi[2] -= 75; | |
627 | msfi[1]++; | |
628 | if (msfi[1] == 60) { | |
629 | msfi[1] = 0; | |
630 | msfi[0]++; | |
631 | } | |
632 | } | |
633 | } | |
634 | ||
480e570b | 635 | void cdrPlayReadInterrupt(void) |
7f457614 | 636 | { |
d9a02493 | 637 | if (cdr.Reading) { |
638 | cdrReadInterrupt(); | |
639 | return; | |
640 | } | |
641 | ||
39df67df | 642 | if (!cdr.Play) return; |
7f457614 | 643 | |
7f457614 | 644 | CDR_LOG( "CDDA - %d:%d:%d\n", |
645 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 646 | |
d9a02493 | 647 | SetPlaySeekRead(cdr.StatP, STATUS_PLAY); |
fffad32e | 648 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
649 | StopCdda(); | |
f522e63c | 650 | SetPlaySeekRead(cdr.StatP, 0); |
fffad32e | 651 | cdr.TrackChanged = TRUE; |
652 | } | |
ffd2bcfa | 653 | else { |
654 | CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); | |
655 | } | |
7f457614 | 656 | |
7f2576b2 | 657 | if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 658 | cdrPlayInterrupt_Autopause(); |
659 | ||
9cf79034 | 660 | if (!cdr.Muted && !Config.Cdda) { |
4ad17db3 | 661 | cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); |
ecd502e1 | 662 | cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); |
9cf79034 | 663 | SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); |
664 | cdr.FirstSector = 0; | |
f4627eb3 | 665 | } |
fffad32e | 666 | |
752c1c85 | 667 | msfiAdd(cdr.SetSectorPlay, 1); |
7f457614 | 668 | |
fffad32e | 669 | // update for CdlGetlocP/autopause |
73b29eeb | 670 | generate_subq(cdr.SetSectorPlay); |
f5450cfb | 671 | |
480e570b | 672 | CDRPLAYREAD_INT(cdReadTime, 0); |
7f457614 | 673 | } |
674 | ||
8aeb66dc | 675 | #define CMD_PART2 0x100 |
676 | #define CMD_WHILE_NOT_READY 0x200 | |
677 | ||
d9a02493 | 678 | void cdrInterrupt(void) { |
e4268a49 | 679 | int start_rotating = 0; |
680 | int error = 0; | |
4134c627 | 681 | u32 cycles, seekTime = 0; |
7f2576b2 | 682 | u32 second_resp_time = 0; |
70c1043e | 683 | const void *buf; |
7f2576b2 | 684 | u8 ParamC; |
2da09dae | 685 | u8 set_loc[3]; |
70c1043e | 686 | int read_ok; |
8aeb66dc | 687 | u16 not_ready = 0; |
7f2576b2 | 688 | u16 Cmd; |
2da09dae | 689 | int i; |
ef79bbde P |
690 | |
691 | if (cdr.Stat) { | |
10b9bf1e | 692 | CDR_LOG_I("cmd %02x with irqstat %x\n", |
693 | cdr.CmdInProgress, cdr.Stat); | |
ef79bbde P |
694 | return; |
695 | } | |
38e03f0a | 696 | if (cdr.Irq1Pending) { |
697 | // hand out the "newest" sector, according to nocash | |
698 | cdrUpdateTransferBuf(CDR_getBuffer()); | |
10b9bf1e | 699 | CDR_LOG_I("%x:%02x:%02x loaded on ack, cmd=%02x res=%02x\n", |
700 | cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2], | |
701 | cdr.CmdInProgress, cdr.Irq1Pending); | |
38e03f0a | 702 | SetResultSize(1); |
703 | cdr.Result[0] = cdr.Irq1Pending; | |
704 | cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; | |
705 | cdr.Irq1Pending = 0; | |
8aeb66dc | 706 | setIrq(0x1003); |
38e03f0a | 707 | return; |
708 | } | |
ef79bbde | 709 | |
e4268a49 | 710 | // default response |
711 | SetResultSize(1); | |
712 | cdr.Result[0] = cdr.StatP; | |
713 | cdr.Stat = Acknowledge; | |
714 | ||
7f2576b2 | 715 | Cmd = cdr.CmdInProgress; |
716 | cdr.CmdInProgress = 0; | |
717 | ParamC = cdr.ParamC; | |
e4268a49 | 718 | |
7f2576b2 | 719 | if (Cmd < 0x100) { |
8aeb66dc | 720 | cdr.Ctrl &= ~0x80; |
7f2576b2 | 721 | cdr.ParamC = 0; |
8aeb66dc | 722 | cdr.Cmd = 0; |
723 | } | |
724 | ||
725 | switch (cdr.DriveState) { | |
871bedc6 | 726 | case DRIVESTATE_PREPARE_CD: |
727 | if (Cmd > 2) { | |
728 | // Syphon filter 2 expects commands to work shortly after it sees | |
729 | // STATUS_ROTATING, so give up trying to emulate the startup seq | |
730 | cdr.DriveState = DRIVESTATE_STANDBY; | |
731 | cdr.StatP &= ~STATUS_SEEK; | |
732 | psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); | |
733 | break; | |
734 | } | |
735 | // fallthrough | |
8aeb66dc | 736 | case DRIVESTATE_LID_OPEN: |
737 | case DRIVESTATE_RESCAN_CD: | |
8aeb66dc | 738 | // no disk or busy with the initial scan, allowed cmds are limited |
739 | not_ready = CMD_WHILE_NOT_READY; | |
740 | break; | |
7f2576b2 | 741 | } |
e4268a49 | 742 | |
8aeb66dc | 743 | switch (Cmd | not_ready) { |
ef79bbde | 744 | case CdlNop: |
8aeb66dc | 745 | case CdlNop + CMD_WHILE_NOT_READY: |
80f91a20 | 746 | if (cdr.DriveState != DRIVESTATE_LID_OPEN) |
747 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
ef79bbde P |
748 | break; |
749 | ||
750 | case CdlSetloc: | |
8aeb66dc | 751 | case CdlSetloc + CMD_WHILE_NOT_READY: |
2da09dae | 752 | CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
753 | ||
754 | // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 | |
755 | 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)) | |
756 | { | |
ececcc61 | 757 | CDR_LOG_I("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); |
2da09dae | 758 | error = ERROR_INVALIDARG; |
759 | goto set_error; | |
760 | } | |
761 | else | |
762 | { | |
763 | for (i = 0; i < 3; i++) | |
2da09dae | 764 | set_loc[i] = btoi(cdr.Param[i]); |
2da09dae | 765 | memcpy(cdr.SetSector, set_loc, 3); |
766 | cdr.SetSector[3] = 0; | |
767 | cdr.SetlocPending = 1; | |
768 | } | |
ef79bbde P |
769 | break; |
770 | ||
55b8460a | 771 | do_CdlPlay: |
ef79bbde | 772 | case CdlPlay: |
030bd76a | 773 | StopCdda(); |
f522e63c | 774 | StopReading(); |
775 | ||
c9c7a925 | 776 | cdr.FastBackward = 0; |
777 | cdr.FastForward = 0; | |
778 | ||
2d5ca6c0 | 779 | // BIOS CD Player |
780 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
781 | ||
7f2576b2 | 782 | if (ParamC != 0 && cdr.Param[0] != 0) { |
2d5ca6c0 | 783 | int track = btoi( cdr.Param[0] ); |
784 | ||
785 | if (track <= cdr.ResultTN[1]) | |
786 | cdr.CurTrack = track; | |
787 | ||
788 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
789 | ||
790 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
f522e63c | 791 | for (i = 0; i < 3; i++) |
792 | set_loc[i] = cdr.ResultTD[2 - i]; | |
793 | seekTime = cdrSeekTime(set_loc); | |
794 | memcpy(cdr.SetSectorPlay, set_loc, 3); | |
2d5ca6c0 | 795 | } |
796 | } | |
f522e63c | 797 | else if (cdr.SetlocPending) { |
798 | seekTime = cdrSeekTime(cdr.SetSector); | |
799 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
800 | } | |
801 | else { | |
802 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
803 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
804 | } | |
805 | cdr.SetlocPending = 0; | |
2d5ca6c0 | 806 | |
9f8b032d | 807 | /* |
808 | Rayman: detect track changes | |
809 | - fixes logo freeze | |
810 | ||
811 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
812 | - plays tracks without retry play | |
813 | ||
814 | Wild 9: skip PREGAP + starting accurate SubQ | |
815 | - plays tracks without retry play | |
816 | */ | |
fffad32e | 817 | Find_CurTrack(cdr.SetSectorPlay); |
752c1c85 | 818 | generate_subq(cdr.SetSectorPlay); |
70c1043e | 819 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 820 | cdr.SubqForwardSectors = 1; |
fffad32e | 821 | cdr.TrackChanged = FALSE; |
9cf79034 | 822 | cdr.FirstSector = 1; |
9f8b032d | 823 | |
2d5ca6c0 | 824 | if (!Config.Cdda) |
825 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 826 | |
f522e63c | 827 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 828 | |
829 | // BIOS player - set flag again | |
830 | cdr.Play = TRUE; | |
831 | ||
480e570b | 832 | CDRPLAYREAD_INT(cdReadTime + seekTime, 1); |
e4268a49 | 833 | start_rotating = 1; |
ef79bbde P |
834 | break; |
835 | ||
9f8b032d | 836 | case CdlForward: |
e4268a49 | 837 | // TODO: error 80 if stopped |
9f8b032d | 838 | cdr.Stat = Complete; |
839 | ||
9f8b032d | 840 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 841 | cdr.FastForward = 1; |
9f8b032d | 842 | cdr.FastBackward = 0; |
ef79bbde P |
843 | break; |
844 | ||
9f8b032d | 845 | case CdlBackward: |
9f8b032d | 846 | cdr.Stat = Complete; |
847 | ||
9f8b032d | 848 | // GameShark CD Player: Calls 2x + Play 2x |
c9c7a925 | 849 | cdr.FastBackward = 1; |
9f8b032d | 850 | cdr.FastForward = 0; |
ef79bbde P |
851 | break; |
852 | ||
9f8b032d | 853 | case CdlStandby: |
e4268a49 | 854 | if (cdr.DriveState != DRIVESTATE_STOPPED) { |
855 | error = ERROR_INVALIDARG; | |
856 | goto set_error; | |
857 | } | |
7f2576b2 | 858 | second_resp_time = cdReadTime * 125 / 2; |
e4268a49 | 859 | start_rotating = 1; |
860 | break; | |
861 | ||
8aeb66dc | 862 | case CdlStandby + CMD_PART2: |
ef79bbde P |
863 | cdr.Stat = Complete; |
864 | break; | |
865 | ||
866 | case CdlStop: | |
030bd76a | 867 | if (cdr.Play) { |
868 | // grab time for current track | |
869 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
870 | ||
871 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
872 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
873 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
874 | } | |
875 | ||
876 | StopCdda(); | |
877 | StopReading(); | |
f522e63c | 878 | SetPlaySeekRead(cdr.StatP, 0); |
879 | cdr.StatP &= ~STATUS_ROTATING; | |
70c1043e | 880 | cdr.LocL[0] = LOCL_INVALID; |
030bd76a | 881 | |
7f2576b2 | 882 | second_resp_time = 0x800; |
e4268a49 | 883 | if (cdr.DriveState == DRIVESTATE_STANDBY) |
7f2576b2 | 884 | second_resp_time = cdReadTime * 30 / 2; |
e4268a49 | 885 | |
886 | cdr.DriveState = DRIVESTATE_STOPPED; | |
e4268a49 | 887 | break; |
888 | ||
8aeb66dc | 889 | case CdlStop + CMD_PART2: |
ef79bbde | 890 | cdr.Stat = Complete; |
ef79bbde P |
891 | break; |
892 | ||
893 | case CdlPause: | |
f522e63c | 894 | StopCdda(); |
895 | StopReading(); | |
12228917 | 896 | /* |
897 | Gundam Battle Assault 2: much slower (*) | |
898 | - Fixes boot, gameplay | |
899 | ||
900 | Hokuto no Ken 2: slower | |
901 | - Fixes intro + subtitles | |
902 | ||
903 | InuYasha - Feudal Fairy Tale: slower | |
904 | - Fixes battles | |
905 | */ | |
4e70ea5a | 906 | /* Gameblabla - Tightening the timings (as taken from Duckstation). |
907 | * The timings from Duckstation are based upon hardware tests. | |
908 | * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, | |
909 | * seems to be timing sensitive as it can depend on the CPU's clock speed. | |
910 | * */ | |
f522e63c | 911 | if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ))) |
e3d555e0 | 912 | { |
7f2576b2 | 913 | second_resp_time = 7000; |
e3d555e0 | 914 | } |
915 | else | |
916 | { | |
7f2576b2 | 917 | second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); |
e3d555e0 | 918 | } |
f522e63c | 919 | SetPlaySeekRead(cdr.StatP, 0); |
ef79bbde P |
920 | break; |
921 | ||
8aeb66dc | 922 | case CdlPause + CMD_PART2: |
9f8b032d | 923 | cdr.Stat = Complete; |
ef79bbde P |
924 | break; |
925 | ||
b0bd140d | 926 | case CdlReset: |
8aeb66dc | 927 | case CdlReset + CMD_WHILE_NOT_READY: |
f522e63c | 928 | StopCdda(); |
929 | StopReading(); | |
930 | SetPlaySeekRead(cdr.StatP, 0); | |
70c1043e | 931 | cdr.LocL[0] = LOCL_INVALID; |
b0bd140d | 932 | cdr.Muted = FALSE; |
509ebde4 | 933 | cdr.Mode = MODE_SIZE_2340; /* This fixes This is Football 2, Pooh's Party lockups */ |
8aeb66dc | 934 | second_resp_time = not_ready ? 70000 : 4100000; |
e4268a49 | 935 | start_rotating = 1; |
936 | break; | |
937 | ||
8aeb66dc | 938 | case CdlReset + CMD_PART2: |
939 | case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 940 | cdr.Stat = Complete; |
ef79bbde P |
941 | break; |
942 | ||
9f8b032d | 943 | case CdlMute: |
030bd76a | 944 | cdr.Muted = TRUE; |
ef79bbde P |
945 | break; |
946 | ||
9f8b032d | 947 | case CdlDemute: |
030bd76a | 948 | cdr.Muted = FALSE; |
ef79bbde P |
949 | break; |
950 | ||
9f8b032d | 951 | case CdlSetfilter: |
030bd76a | 952 | cdr.File = cdr.Param[0]; |
953 | cdr.Channel = cdr.Param[1]; | |
9f8b032d | 954 | break; |
ef79bbde P |
955 | |
956 | case CdlSetmode: | |
8aeb66dc | 957 | case CdlSetmode + CMD_WHILE_NOT_READY: |
7f2576b2 | 958 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
959 | cdr.Mode = cdr.Param[0]; | |
9f8b032d | 960 | break; |
ef79bbde | 961 | |
dcd72441 | 962 | case CdlGetparam: |
8aeb66dc | 963 | case CdlGetparam + CMD_WHILE_NOT_READY: |
dcd72441 | 964 | /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ |
965 | SetResultSize(5); | |
9f8b032d | 966 | cdr.Result[1] = cdr.Mode; |
dcd72441 | 967 | cdr.Result[2] = 0; |
968 | cdr.Result[3] = cdr.File; | |
969 | cdr.Result[4] = cdr.Channel; | |
9f8b032d | 970 | break; |
ef79bbde | 971 | |
9f8b032d | 972 | case CdlGetlocL: |
70c1043e | 973 | if (cdr.LocL[0] == LOCL_INVALID) { |
974 | error = 0x80; | |
975 | goto set_error; | |
976 | } | |
ef79bbde | 977 | SetResultSize(8); |
70c1043e | 978 | memcpy(cdr.Result, cdr.LocL, 8); |
9f8b032d | 979 | break; |
ef79bbde P |
980 | |
981 | case CdlGetlocP: | |
fffad32e | 982 | SetResultSize(8); |
983 | memcpy(&cdr.Result, &cdr.subq, 8); | |
e4268a49 | 984 | break; |
892bd7d4 | 985 | |
e4268a49 | 986 | case CdlReadT: // SetSession? |
987 | // really long | |
7f2576b2 | 988 | second_resp_time = cdReadTime * 290 / 4; |
e4268a49 | 989 | start_rotating = 1; |
990 | break; | |
991 | ||
8aeb66dc | 992 | case CdlReadT + CMD_PART2: |
e4268a49 | 993 | cdr.Stat = Complete; |
ef79bbde P |
994 | break; |
995 | ||
9f8b032d | 996 | case CdlGetTN: |
ef79bbde | 997 | SetResultSize(3); |
9f8b032d | 998 | if (CDR_getTN(cdr.ResultTN) == -1) { |
ef79bbde | 999 | cdr.Stat = DiskError; |
9f8b032d | 1000 | cdr.Result[0] |= STATUS_ERROR; |
1001 | } else { | |
1002 | cdr.Stat = Acknowledge; | |
1003 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
1004 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
1005 | } | |
1006 | break; | |
ef79bbde | 1007 | |
9f8b032d | 1008 | case CdlGetTD: |
ef79bbde P |
1009 | cdr.Track = btoi(cdr.Param[0]); |
1010 | SetResultSize(4); | |
ef79bbde P |
1011 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
1012 | cdr.Stat = DiskError; | |
9f8b032d | 1013 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1014 | } else { |
1015 | cdr.Stat = Acknowledge; | |
1016 | cdr.Result[0] = cdr.StatP; | |
1017 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
1018 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
cfeb7cab | 1019 | /* According to Nocash's documentation, the function doesn't care about ff. |
1020 | * This can be seen also in Mednafen's implementation. */ | |
1021 | //cdr.Result[3] = itob(cdr.ResultTD[0]); | |
ef79bbde P |
1022 | } |
1023 | break; | |
1024 | ||
9f8b032d | 1025 | case CdlSeekL: |
39df67df | 1026 | case CdlSeekP: |
030bd76a | 1027 | StopCdda(); |
1028 | StopReading(); | |
480e570b | 1029 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK | STATUS_ROTATING); |
9f8b032d | 1030 | |
f522e63c | 1031 | seekTime = cdrSeekTime(cdr.SetSector); |
1032 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
9f8b032d | 1033 | /* |
1034 | Crusaders of Might and Magic = 0.5x-4x | |
1035 | - fix cutscene speech start | |
1036 | ||
1037 | Eggs of Steel = 2x-? | |
1038 | - fix new game | |
1039 | ||
1040 | Medievil = ?-4x | |
1041 | - fix cutscene speech | |
1042 | ||
1043 | Rockman X5 = 0.5-4x | |
1044 | - fix capcom logo | |
1045 | */ | |
480e570b | 1046 | second_resp_time = cdReadTime + seekTime; |
e4268a49 | 1047 | start_rotating = 1; |
ef79bbde P |
1048 | break; |
1049 | ||
480e570b | 1050 | case CdlSeekL + CMD_PART2: |
1051 | case CdlSeekP + CMD_PART2: | |
1052 | SetPlaySeekRead(cdr.StatP, 0); | |
ca1683d0 | 1053 | cdr.Result[0] = cdr.StatP; |
480e570b | 1054 | cdr.Stat = Complete; |
1055 | ||
1056 | Find_CurTrack(cdr.SetSectorPlay); | |
70c1043e | 1057 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1058 | if (read_ok && (buf = CDR_getBuffer())) | |
1059 | memcpy(cdr.LocL, buf, 8); | |
752c1c85 | 1060 | UpdateSubq(cdr.SetSectorPlay); |
480e570b | 1061 | cdr.TrackChanged = FALSE; |
1062 | break; | |
1063 | ||
ef79bbde | 1064 | case CdlTest: |
8aeb66dc | 1065 | case CdlTest + CMD_WHILE_NOT_READY: |
9f8b032d | 1066 | switch (cdr.Param[0]) { |
1067 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
1068 | SetResultSize(4); |
1069 | memcpy(cdr.Result, Test20, 4); | |
1070 | break; | |
1071 | case 0x22: | |
1072 | SetResultSize(8); | |
1073 | memcpy(cdr.Result, Test22, 4); | |
1074 | break; | |
1075 | case 0x23: case 0x24: | |
1076 | SetResultSize(8); | |
1077 | memcpy(cdr.Result, Test23, 4); | |
1078 | break; | |
9f8b032d | 1079 | } |
ef79bbde P |
1080 | break; |
1081 | ||
9f8b032d | 1082 | case CdlID: |
7f2576b2 | 1083 | second_resp_time = 20480; |
ef79bbde P |
1084 | break; |
1085 | ||
8aeb66dc | 1086 | case CdlID + CMD_PART2: |
ef79bbde | 1087 | SetResultSize(8); |
89ec56af | 1088 | cdr.Result[0] = cdr.StatP; |
1089 | cdr.Result[1] = 0; | |
1090 | cdr.Result[2] = 0; | |
1091 | cdr.Result[3] = 0; | |
9f8b032d | 1092 | |
d8432250 | 1093 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
1094 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
1095 | cdr.Result[1] = 0xc0; | |
9f8b032d | 1096 | } |
1097 | else { | |
89ec56af | 1098 | if (stat.Type == 2) |
1099 | cdr.Result[1] |= 0x10; | |
1100 | if (CdromId[0] == '\0') | |
9f8b032d | 1101 | cdr.Result[1] |= 0x80; |
9f8b032d | 1102 | } |
89ec56af | 1103 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 1104 | |
d0ea0d8a | 1105 | /* This adds the string "PCSX" in Playstation bios boot screen */ |
1106 | memcpy((char *)&cdr.Result[4], "PCSX", 4); | |
ef79bbde P |
1107 | cdr.Stat = Complete; |
1108 | break; | |
1109 | ||
b0bd140d | 1110 | case CdlInit: |
8aeb66dc | 1111 | case CdlInit + CMD_WHILE_NOT_READY: |
f522e63c | 1112 | StopCdda(); |
1113 | StopReading(); | |
1114 | SetPlaySeekRead(cdr.StatP, 0); | |
e4268a49 | 1115 | // yes, it really sets STATUS_SHELLOPEN |
1116 | cdr.StatP |= STATUS_SHELLOPEN; | |
1117 | cdr.DriveState = DRIVESTATE_RESCAN_CD; | |
1118 | CDRLID_INT(20480); | |
e4268a49 | 1119 | start_rotating = 1; |
9f8b032d | 1120 | break; |
1121 | ||
e4268a49 | 1122 | case CdlGetQ: |
8aeb66dc | 1123 | case CdlGetQ + CMD_WHILE_NOT_READY: |
9f8b032d | 1124 | break; |
1125 | ||
1126 | case CdlReadToc: | |
8aeb66dc | 1127 | case CdlReadToc + CMD_WHILE_NOT_READY: |
70c1043e | 1128 | cdr.LocL[0] = LOCL_INVALID; |
7f2576b2 | 1129 | second_resp_time = cdReadTime * 180 / 4; |
e4268a49 | 1130 | start_rotating = 1; |
ef79bbde P |
1131 | break; |
1132 | ||
8aeb66dc | 1133 | case CdlReadToc + CMD_PART2: |
1134 | case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: | |
9f8b032d | 1135 | cdr.Stat = Complete; |
ef79bbde P |
1136 | break; |
1137 | ||
94c118c3 | 1138 | case CdlReadN: |
1139 | case CdlReadS: | |
ececcc61 | 1140 | if (cdr.Reading && !cdr.SetlocPending) |
1141 | break; | |
1142 | ||
f522e63c | 1143 | Find_CurTrack(cdr.SetlocPending ? cdr.SetSector : cdr.SetSectorPlay); |
55b8460a | 1144 | |
1145 | if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1) | |
1146 | // Read* acts as play for cdda tracks in cdda mode | |
1147 | goto do_CdlPlay; | |
1148 | ||
f522e63c | 1149 | StopCdda(); |
1150 | if (cdr.SetlocPending) { | |
1151 | seekTime = cdrSeekTime(cdr.SetSector); | |
1152 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); | |
1153 | cdr.SetlocPending = 0; | |
1154 | } | |
030bd76a | 1155 | cdr.Reading = 1; |
1156 | cdr.FirstSector = 1; | |
ef79bbde | 1157 | |
9f8b032d | 1158 | // Fighting Force 2 - update subq time immediately |
1159 | // - fixes new game | |
752c1c85 | 1160 | UpdateSubq(cdr.SetSectorPlay); |
70c1043e | 1161 | cdr.LocL[0] = LOCL_INVALID; |
752c1c85 | 1162 | cdr.SubqForwardSectors = 1; |
9f8b032d | 1163 | |
509ebde4 | 1164 | cycles = (cdr.Mode & MODE_SPEED) ? cdReadTime : cdReadTime * 2; |
4134c627 | 1165 | cycles += seekTime; |
688bdb95 | 1166 | if (Config.hacks.cdr_read_timing) |
1167 | cycles = cdrAlignTimingHack(cycles); | |
4134c627 | 1168 | CDRPLAYREAD_INT(cycles, 1); |
ef79bbde | 1169 | |
f522e63c | 1170 | SetPlaySeekRead(cdr.StatP, STATUS_SEEK); |
e4268a49 | 1171 | start_rotating = 1; |
ef79bbde | 1172 | break; |
70c1043e | 1173 | |
1f035e27 | 1174 | case CdlSync: |
ef79bbde | 1175 | default: |
e4268a49 | 1176 | error = ERROR_INVALIDCMD; |
1177 | // FALLTHROUGH | |
1178 | ||
1179 | set_error: | |
10b9bf1e | 1180 | CDR_LOG_I("cmd %02x error %02x\n", Cmd, error); |
e4268a49 | 1181 | SetResultSize(2); |
1182 | cdr.Result[0] = cdr.StatP | STATUS_ERROR; | |
8aeb66dc | 1183 | cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; |
e4268a49 | 1184 | cdr.Stat = DiskError; |
ef79bbde P |
1185 | break; |
1186 | } | |
1187 | ||
e4268a49 | 1188 | if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { |
1189 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1190 | cdr.StatP |= STATUS_ROTATING; | |
1191 | } | |
1192 | ||
7f2576b2 | 1193 | if (second_resp_time) { |
1194 | cdr.CmdInProgress = Cmd | 0x100; | |
1195 | CDR_INT(second_resp_time); | |
1196 | } | |
1197 | else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { | |
1198 | cdr.CmdInProgress = cdr.Cmd; | |
10b9bf1e | 1199 | CDR_LOG_I("cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); |
7f2576b2 | 1200 | } |
1201 | ||
1202 | setIrq(Cmd); | |
ef79bbde P |
1203 | } |
1204 | ||
8f2bb0cb | 1205 | #ifdef HAVE_ARMV7 |
53598a71 | 1206 | #define ssat32_to_16(v) \ |
1207 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1208 | #else | |
1209 | #define ssat32_to_16(v) do { \ | |
1210 | if (v < -32768) v = -32768; \ | |
1211 | else if (v > 32767) v = 32767; \ | |
1212 | } while (0) | |
1213 | #endif | |
1214 | ||
4ad17db3 | 1215 | static void cdrPrepCdda(s16 *buf, int samples) |
1216 | { | |
1217 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
1218 | int i; | |
1219 | for (i = 0; i < samples; i++) { | |
1220 | buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); | |
1221 | buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); | |
1222 | } | |
1223 | #endif | |
1224 | } | |
1225 | ||
1226 | static void cdrAttenuate(s16 *buf, int samples, int stereo) | |
53598a71 | 1227 | { |
1228 | int i, l, r; | |
1229 | int ll = cdr.AttenuatorLeftToLeft; | |
1230 | int lr = cdr.AttenuatorLeftToRight; | |
1231 | int rl = cdr.AttenuatorRightToLeft; | |
1232 | int rr = cdr.AttenuatorRightToRight; | |
1233 | ||
1234 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1235 | return; | |
1236 | ||
1237 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1238 | return; | |
1239 | ||
1240 | if (stereo) { | |
1241 | for (i = 0; i < samples; i++) { | |
1242 | l = buf[i * 2]; | |
1243 | r = buf[i * 2 + 1]; | |
1244 | l = (l * ll + r * rl) >> 7; | |
1245 | r = (r * rr + l * lr) >> 7; | |
1246 | ssat32_to_16(l); | |
1247 | ssat32_to_16(r); | |
1248 | buf[i * 2] = l; | |
1249 | buf[i * 2 + 1] = r; | |
1250 | } | |
1251 | } | |
1252 | else { | |
1253 | for (i = 0; i < samples; i++) { | |
1254 | l = buf[i]; | |
1255 | l = l * (ll + rl) >> 7; | |
1256 | //r = r * (rr + lr) >> 7; | |
1257 | ssat32_to_16(l); | |
1258 | //ssat32_to_16(r); | |
1259 | buf[i] = l; | |
1260 | } | |
1261 | } | |
1262 | } | |
1263 | ||
f5450cfb | 1264 | static void cdrReadInterruptSetResult(unsigned char result) |
d9a02493 | 1265 | { |
7f2576b2 | 1266 | if (cdr.Stat) { |
10b9bf1e | 1267 | CDR_LOG_I("%d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n", |
f5450cfb | 1268 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
1269 | cdr.CmdInProgress, cdr.Stat); | |
1270 | cdr.Irq1Pending = result; | |
ef79bbde P |
1271 | return; |
1272 | } | |
ef79bbde | 1273 | SetResultSize(1); |
f5450cfb | 1274 | cdr.Result[0] = result; |
1275 | cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; | |
8aeb66dc | 1276 | setIrq(0x1004); |
f5450cfb | 1277 | } |
1278 | ||
1279 | static void cdrUpdateTransferBuf(const u8 *buf) | |
1280 | { | |
1281 | if (!buf) | |
1282 | return; | |
1283 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1284 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1285 | CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); | |
742a21f2 | 1286 | if (cdr.FifoOffset < 2048 + 12) |
10b9bf1e | 1287 | CDR_LOG("FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); |
f5450cfb | 1288 | } |
1289 | ||
1290 | static void cdrReadInterrupt(void) | |
1291 | { | |
1292 | u8 *buf = NULL, *hdr; | |
752c1c85 | 1293 | u8 subqPos[3]; |
70c1043e | 1294 | int read_ok; |
f5450cfb | 1295 | |
752c1c85 | 1296 | memcpy(subqPos, cdr.SetSectorPlay, sizeof(subqPos)); |
1297 | msfiAdd(subqPos, cdr.SubqForwardSectors); | |
1298 | UpdateSubq(subqPos); | |
1299 | if (cdr.SubqForwardSectors < SUBQ_FORWARD_SECTORS) { | |
1300 | cdr.SubqForwardSectors++; | |
1301 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); | |
1302 | return; | |
1303 | } | |
1304 | ||
7e6d030e | 1305 | // note: CdlGetlocL should work as soon as STATUS_READ is indicated |
1306 | SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING); | |
1307 | ||
70c1043e | 1308 | read_ok = ReadTrack(cdr.SetSectorPlay); |
1309 | if (read_ok) | |
f5450cfb | 1310 | buf = CDR_getBuffer(); |
ef79bbde | 1311 | if (buf == NULL) |
70c1043e | 1312 | read_ok = 0; |
ef79bbde | 1313 | |
70c1043e | 1314 | if (!read_ok) { |
8b380e97 | 1315 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
f5450cfb | 1316 | cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR); |
ef79bbde P |
1317 | return; |
1318 | } | |
70c1043e | 1319 | memcpy(cdr.LocL, buf, 8); |
ef79bbde | 1320 | |
69dc4e5f | 1321 | if (!cdr.Stat && !cdr.Irq1Pending) |
f5450cfb | 1322 | cdrUpdateTransferBuf(buf); |
ef79bbde | 1323 | |
9f8b032d | 1324 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
f5450cfb | 1325 | hdr = buf + 4; |
9f8b032d | 1326 | // Firemen 2: Multi-XA files - briefings, cutscenes |
1327 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
f5450cfb | 1328 | cdr.File = hdr[0]; |
1329 | cdr.Channel = hdr[1]; | |
9f8b032d | 1330 | } |
1331 | ||
e73e384c | 1332 | /* Gameblabla |
1333 | * Skips playing on channel 255. | |
1334 | * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) | |
1335 | * TODO : Check if this is the proper behaviour. | |
1336 | * */ | |
f5450cfb | 1337 | if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) { |
1338 | int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector); | |
ef79bbde | 1339 | if (!ret) { |
53598a71 | 1340 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
9cf79034 | 1341 | SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector); |
ef79bbde P |
1342 | cdr.FirstSector = 0; |
1343 | } | |
1344 | else cdr.FirstSector = -1; | |
1345 | } | |
1346 | } | |
1347 | ||
f5450cfb | 1348 | /* |
1349 | Croc 2: $40 - only FORM1 (*) | |
1350 | Judge Dredd: $C8 - only FORM1 (*) | |
1351 | Sim Theme Park - no adpcm at all (zero) | |
1352 | */ | |
1353 | ||
1354 | if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4)) | |
1355 | cdrReadInterruptSetResult(cdr.StatP); | |
1356 | ||
752c1c85 | 1357 | msfiAdd(cdr.SetSectorPlay, 1); |
9f8b032d | 1358 | |
480e570b | 1359 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); |
f5450cfb | 1360 | } |
9f8b032d | 1361 | |
ef79bbde P |
1362 | /* |
1363 | cdrRead0: | |
94c118c3 | 1364 | bit 0,1 - mode |
ef79bbde P |
1365 | bit 2 - unknown |
1366 | bit 3 - unknown | |
1367 | bit 4 - unknown | |
1368 | bit 5 - 1 result ready | |
1369 | bit 6 - 1 dma ready | |
1370 | bit 7 - 1 command being processed | |
1371 | */ | |
1372 | ||
1373 | unsigned char cdrRead0(void) { | |
1374 | if (cdr.ResultReady) | |
1375 | cdr.Ctrl |= 0x20; | |
1376 | else | |
1377 | cdr.Ctrl &= ~0x20; | |
1378 | ||
7f2576b2 | 1379 | cdr.Ctrl |= 0x40; // data fifo not empty |
ef79bbde P |
1380 | |
1381 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1382 | cdr.Ctrl |= 0x18; | |
1383 | ||
af93c8be | 1384 | CDR_LOG_IO("cdr r0.sta: %02x\n", cdr.Ctrl); |
ef79bbde P |
1385 | |
1386 | return psxHu8(0x1800) = cdr.Ctrl; | |
1387 | } | |
1388 | ||
ef79bbde | 1389 | void cdrWrite0(unsigned char rt) { |
af93c8be | 1390 | CDR_LOG_IO("cdr w0.idx: %02x\n", rt); |
8b380e97 | 1391 | |
50b13be9 | 1392 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1393 | } |
1394 | ||
1395 | unsigned char cdrRead1(void) { | |
94c118c3 | 1396 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1397 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1398 | else |
ef79bbde | 1399 | psxHu8(0x1801) = 0; |
94c118c3 | 1400 | cdr.ResultP++; |
1401 | if (cdr.ResultP == cdr.ResultC) | |
1402 | cdr.ResultReady = 0; | |
1403 | ||
af93c8be | 1404 | CDR_LOG_IO("cdr r1.rsp: %02x #%u\n", psxHu8(0x1801), cdr.ResultP - 1); |
8b380e97 | 1405 | |
ef79bbde P |
1406 | return psxHu8(0x1801); |
1407 | } | |
1408 | ||
1409 | void cdrWrite1(unsigned char rt) { | |
af93c8be | 1410 | const char *rnames[] = { "cmd", "smd", "smc", "arr" }; (void)rnames; |
1411 | CDR_LOG_IO("cdr w1.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1412 | |
94c118c3 | 1413 | switch (cdr.Ctrl & 3) { |
1414 | case 0: | |
1415 | break; | |
1416 | case 3: | |
53598a71 | 1417 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1418 | return; |
1419 | default: | |
1420 | return; | |
9f8b032d | 1421 | } |
1422 | ||
8b380e97 | 1423 | #ifdef CDR_LOG_CMD_IRQ |
10b9bf1e | 1424 | CDR_LOG_I("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde | 1425 | if (cdr.ParamC) { |
af93c8be | 1426 | int i; |
ef79bbde P |
1427 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
1428 | for (i = 0; i < cdr.ParamC; i++) | |
1429 | SysPrintf(" %x,", cdr.Param[i]); | |
1430 | SysPrintf("}\n"); | |
1431 | } else { | |
1432 | SysPrintf("\n"); | |
1433 | } | |
1434 | #endif | |
1435 | ||
2daaaae3 | 1436 | cdr.ResultReady = 0; |
94c118c3 | 1437 | cdr.Ctrl |= 0x80; |
8b380e97 | 1438 | |
7f2576b2 | 1439 | if (!cdr.CmdInProgress) { |
1440 | cdr.CmdInProgress = rt; | |
1441 | // should be something like 12k + controller delays | |
1442 | CDR_INT(5000); | |
9f8b032d | 1443 | } |
7f2576b2 | 1444 | else { |
10b9bf1e | 1445 | CDR_LOG_I("cmd while busy: %02x, prev %02x, busy %02x\n", |
1446 | rt, cdr.Cmd, cdr.CmdInProgress); | |
7f2576b2 | 1447 | if (cdr.CmdInProgress < 0x100) // no pending 2nd response |
1448 | cdr.CmdInProgress = rt; | |
1449 | } | |
1450 | ||
1451 | cdr.Cmd = rt; | |
ef79bbde P |
1452 | } |
1453 | ||
1454 | unsigned char cdrRead2(void) { | |
afaac935 | 1455 | unsigned char ret = cdr.Transfer[0x920]; |
ef79bbde | 1456 | |
742a21f2 | 1457 | if (cdr.FifoOffset < cdr.FifoSize) |
79cd4919 | 1458 | ret = cdr.Transfer[cdr.FifoOffset++]; |
1459 | else | |
10b9bf1e | 1460 | CDR_LOG_I("read empty fifo (%d)\n", cdr.FifoSize); |
ef79bbde | 1461 | |
af93c8be | 1462 | CDR_LOG_IO("cdr r2.dat: %02x\n", ret); |
ef79bbde P |
1463 | return ret; |
1464 | } | |
1465 | ||
1466 | void cdrWrite2(unsigned char rt) { | |
af93c8be | 1467 | const char *rnames[] = { "prm", "ien", "all", "arl" }; (void)rnames; |
1468 | CDR_LOG_IO("cdr w2.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
9f8b032d | 1469 | |
94c118c3 | 1470 | switch (cdr.Ctrl & 3) { |
1471 | case 0: | |
1472 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1473 | cdr.Param[cdr.ParamC++] = rt; | |
1474 | return; | |
1475 | case 1: | |
1476 | cdr.Reg2 = rt; | |
8aeb66dc | 1477 | setIrq(0x1005); |
94c118c3 | 1478 | return; |
1479 | case 2: | |
53598a71 | 1480 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1481 | return; |
1482 | case 3: | |
53598a71 | 1483 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1484 | return; |
ef79bbde P |
1485 | } |
1486 | } | |
1487 | ||
1488 | unsigned char cdrRead3(void) { | |
94c118c3 | 1489 | if (cdr.Ctrl & 0x1) |
1490 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1491 | else | |
1492 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1493 | |
af93c8be | 1494 | CDR_LOG_IO("cdr r3.%s: %02x\n", (cdr.Ctrl & 1) ? "ifl" : "ien", psxHu8(0x1803)); |
ef79bbde P |
1495 | return psxHu8(0x1803); |
1496 | } | |
1497 | ||
1498 | void cdrWrite3(unsigned char rt) { | |
af93c8be | 1499 | const char *rnames[] = { "req", "ifl", "alr", "ava" }; (void)rnames; |
1500 | CDR_LOG_IO("cdr w3.%s: %02x\n", rnames[cdr.Ctrl & 3], rt); | |
056d6759 | 1501 | |
94c118c3 | 1502 | switch (cdr.Ctrl & 3) { |
1503 | case 0: | |
a34a2445 | 1504 | break; // transfer |
94c118c3 | 1505 | case 1: |
38e03f0a | 1506 | if (cdr.Stat & rt) { |
399f666e | 1507 | u32 nextCycle = psxRegs.intCycle[PSXINT_CDR].sCycle |
1508 | + psxRegs.intCycle[PSXINT_CDR].cycle; | |
10b9bf1e | 1509 | int pending = psxRegs.interrupt & (1 << PSXINT_CDR); |
7f2576b2 | 1510 | #ifdef CDR_LOG_CMD_IRQ |
10b9bf1e | 1511 | CDR_LOG_I("ack %02x (w=%02x p=%d,%x,%x,%d)\n", cdr.Stat & rt, rt, |
1512 | !!pending, cdr.CmdInProgress, | |
1513 | cdr.Irq1Pending, nextCycle - psxRegs.cycle); | |
7f2576b2 | 1514 | #endif |
399f666e | 1515 | // note: Croc, Shadow Tower (more) vs Discworld Noir (<993) |
10b9bf1e | 1516 | if (!pending && (cdr.CmdInProgress || cdr.Irq1Pending)) |
399f666e | 1517 | { |
69dc4e5f | 1518 | s32 c = 2048; |
1519 | if (cdr.CmdInProgress) { | |
1520 | c = 2048 - (psxRegs.cycle - nextCycle); | |
1521 | c = MAX_VALUE(c, 512); | |
1522 | } | |
399f666e | 1523 | CDR_INT(c); |
1524 | } | |
38e03f0a | 1525 | } |
a34a2445 | 1526 | cdr.Stat &= ~rt; |
1527 | ||
1528 | if (rt & 0x40) | |
1529 | cdr.ParamC = 0; | |
1530 | return; | |
94c118c3 | 1531 | case 2: |
53598a71 | 1532 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1533 | return; |
1534 | case 3: | |
53598a71 | 1535 | if (rt & 0x20) { |
1536 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
7f2576b2 | 1537 | CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n", |
53598a71 | 1538 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, |
1539 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1540 | } | |
94c118c3 | 1541 | return; |
9f8b032d | 1542 | } |
056d6759 | 1543 | |
742a21f2 | 1544 | // test: Viewpoint |
1545 | if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) { | |
1546 | CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize); | |
1547 | } | |
1548 | else if (rt & 0x80) { | |
509ebde4 | 1549 | switch (cdr.Mode & (MODE_SIZE_2328|MODE_SIZE_2340)) { |
9f8b032d | 1550 | case MODE_SIZE_2328: |
ef79bbde | 1551 | case 0x00: |
79cd4919 | 1552 | cdr.FifoOffset = 12; |
742a21f2 | 1553 | cdr.FifoSize = 2048 + 12; |
ef79bbde | 1554 | break; |
9f8b032d | 1555 | |
1556 | case MODE_SIZE_2340: | |
ef79bbde | 1557 | default: |
79cd4919 | 1558 | cdr.FifoOffset = 0; |
742a21f2 | 1559 | cdr.FifoSize = 2340; |
ef79bbde P |
1560 | break; |
1561 | } | |
1562 | } | |
742a21f2 | 1563 | else if (!(rt & 0xc0)) |
1564 | cdr.FifoOffset = DATA_SIZE; // fifo empty | |
ef79bbde P |
1565 | } |
1566 | ||
1567 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
b4d5a91d | 1568 | u32 cdsize, max_words; |
c7071c43 | 1569 | int size; |
ef79bbde P |
1570 | u8 *ptr; |
1571 | ||
10b9bf1e | 1572 | #if 0 |
1573 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x", chcr, madr, bcr); | |
1574 | if (cdr.FifoOffset == 0) { | |
1575 | ptr = cdr.Transfer; | |
1576 | SysPrintf(" %02x:%02x:%02x", ptr[0], ptr[1], ptr[2]); | |
1577 | } | |
1578 | SysPrintf("\n"); | |
1579 | #endif | |
ef79bbde | 1580 | |
4f329f16 | 1581 | switch (chcr & 0x71000000) { |
ef79bbde | 1582 | case 0x11000000: |
b4d5a91d | 1583 | ptr = getDmaRam(madr, &max_words); |
7a8d521f | 1584 | if (ptr == INVALID_PTR) { |
79cd4919 | 1585 | CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1586 | break; |
1587 | } | |
9f8b032d | 1588 | |
79cd4919 | 1589 | cdsize = (((bcr - 1) & 0xffff) + 1) * 4; |
1590 | ||
9f8b032d | 1591 | /* |
1592 | GS CDX: Enhancement CD crash | |
1593 | - Setloc 0:0:0 | |
1594 | - CdlPlay | |
1595 | - Spams DMA3 and gets buffer overrun | |
1596 | */ | |
79cd4919 | 1597 | size = DATA_SIZE - cdr.FifoOffset; |
c7071c43 | 1598 | if (size > cdsize) |
1599 | size = cdsize; | |
b4d5a91d | 1600 | if (size > max_words * 4) |
1601 | size = max_words * 4; | |
c7071c43 | 1602 | if (size > 0) |
9f8b032d | 1603 | { |
79cd4919 | 1604 | memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size); |
1605 | cdr.FifoOffset += size; | |
9f8b032d | 1606 | } |
afaac935 | 1607 | if (size < cdsize) { |
6c9db47c | 1608 | CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); |
afaac935 | 1609 | memset(ptr + size, cdr.Transfer[0x920], cdsize - size); |
1610 | } | |
1611 | psxCpu->Clear(madr, cdsize / 4); | |
9f8b032d | 1612 | |
4f329f16 | 1613 | CDRDMA_INT((cdsize/4) * 24); |
1614 | ||
1615 | HW_DMA3_CHCR &= SWAPu32(~0x10000000); | |
1616 | if (chcr & 0x100) { | |
58ebb94c | 1617 | HW_DMA3_MADR = SWAPu32(madr + cdsize); |
4f329f16 | 1618 | HW_DMA3_BCR &= SWAPu32(0xffff0000); |
9f8b032d | 1619 | } |
4f329f16 | 1620 | else { |
fc4803bd | 1621 | // halted |
4f329f16 | 1622 | psxRegs.cycle += (cdsize/4) * 24 - 20; |
9f8b032d | 1623 | } |
1624 | return; | |
1625 | ||
ef79bbde | 1626 | default: |
6c9db47c | 1627 | CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1628 | break; |
1629 | } | |
1630 | ||
1631 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1632 | DMA_INTERRUPT(3); | |
1633 | } | |
1634 | ||
d9a02493 | 1635 | void cdrDmaInterrupt(void) |
9f8b032d | 1636 | { |
ad418c19 | 1637 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1638 | { | |
1639 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1640 | DMA_INTERRUPT(3); | |
1641 | } | |
9f8b032d | 1642 | } |
1643 | ||
fffad32e | 1644 | static void getCdInfo(void) |
1645 | { | |
1646 | u8 tmp; | |
1647 | ||
1648 | CDR_getTN(cdr.ResultTN); | |
1649 | CDR_getTD(0, cdr.SetSectorEnd); | |
1650 | tmp = cdr.SetSectorEnd[0]; | |
1651 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1652 | cdr.SetSectorEnd[2] = tmp; | |
1653 | } | |
1654 | ||
ef79bbde P |
1655 | void cdrReset() { |
1656 | memset(&cdr, 0, sizeof(cdr)); | |
1657 | cdr.CurTrack = 1; | |
1658 | cdr.File = 1; | |
1659 | cdr.Channel = 1; | |
a2d3ccb8 | 1660 | cdr.Reg2 = 0x1f; |
1661 | cdr.Stat = NoIntr; | |
79cd4919 | 1662 | cdr.FifoOffset = DATA_SIZE; // fifo empty |
871bedc6 | 1663 | if (CdromId[0] == '\0') { |
1664 | cdr.DriveState = DRIVESTATE_STOPPED; | |
1665 | cdr.StatP = 0; | |
1666 | } | |
1667 | else { | |
1668 | cdr.DriveState = DRIVESTATE_STANDBY; | |
1669 | cdr.StatP = STATUS_ROTATING; | |
1670 | } | |
c9c7a925 | 1671 | |
056d6759 | 1672 | // BIOS player - default values |
53598a71 | 1673 | cdr.AttenuatorLeftToLeft = 0x80; |
1674 | cdr.AttenuatorLeftToRight = 0x00; | |
1675 | cdr.AttenuatorRightToLeft = 0x00; | |
1676 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1677 | |
1678 | getCdInfo(); | |
ef79bbde P |
1679 | } |
1680 | ||
496d88d4 | 1681 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1682 | u32 tmp; |
fffad32e | 1683 | u8 tmpp[3]; |
ef79bbde | 1684 | |
fffad32e | 1685 | if (Mode == 0 && !Config.Cdda) |
1686 | CDR_stop(); | |
9f8b032d | 1687 | |
55b8460a | 1688 | cdr.freeze_ver = 0x63647202; |
9f8b032d | 1689 | gzfreeze(&cdr, sizeof(cdr)); |
1690 | ||
94c118c3 | 1691 | if (Mode == 1) { |
1692 | cdr.ParamP = cdr.ParamC; | |
79cd4919 | 1693 | tmp = cdr.FifoOffset; |
94c118c3 | 1694 | } |
ef79bbde P |
1695 | |
1696 | gzfreeze(&tmp, sizeof(tmp)); | |
1697 | ||
42f3c512 | 1698 | if (Mode == 0) { |
fffad32e | 1699 | getCdInfo(); |
1700 | ||
afaac935 | 1701 | cdr.FifoOffset = tmp < DATA_SIZE ? tmp : DATA_SIZE; |
509ebde4 | 1702 | cdr.FifoSize = (cdr.Mode & MODE_SIZE_2340) ? 2340 : 2048 + 12; |
752c1c85 | 1703 | if (cdr.SubqForwardSectors > SUBQ_FORWARD_SECTORS) |
1704 | cdr.SubqForwardSectors = SUBQ_FORWARD_SECTORS; | |
ef79bbde | 1705 | |
fffad32e | 1706 | // read right sub data |
f84d4864 DS |
1707 | tmpp[0] = btoi(cdr.Prev[0]); |
1708 | tmpp[1] = btoi(cdr.Prev[1]); | |
1709 | tmpp[2] = btoi(cdr.Prev[2]); | |
fffad32e | 1710 | cdr.Prev[0]++; |
73b29eeb | 1711 | ReadTrack(tmpp); |
fffad32e | 1712 | |
1713 | if (cdr.Play) { | |
55b8460a | 1714 | if (cdr.freeze_ver < 0x63647202) |
1715 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 3); | |
1716 | ||
fffad32e | 1717 | Find_CurTrack(cdr.SetSectorPlay); |
1718 | if (!Config.Cdda) | |
1719 | CDR_play(cdr.SetSectorPlay); | |
d9a02493 | 1720 | if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD)) |
509ebde4 | 1721 | CDRPLAYREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 1); |
fffad32e | 1722 | } |
c69642c8 | 1723 | |
1724 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1725 | // old versions did not latch Reg2, have to fixup.. | |
1726 | if (cdr.Reg2 == 0) { | |
1727 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1728 | cdr.Reg2 = 7; | |
1729 | } | |
0f2dee0f | 1730 | // also did not save Attenuator.. |
1731 | if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight | |
1732 | | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0) | |
1733 | { | |
1734 | cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80; | |
1735 | } | |
c69642c8 | 1736 | } |
42f3c512 | 1737 | } |
1738 | ||
ef79bbde P |
1739 | return 0; |
1740 | } | |
9f8b032d | 1741 | |
d9a02493 | 1742 | void LidInterrupt(void) { |
fffad32e | 1743 | getCdInfo(); |
80f91a20 | 1744 | cdrLidSeekInterrupt(); |
9f8b032d | 1745 | } |