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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | /* | |
21 | * SIO functions. | |
22 | */ | |
23 | ||
24 | #include "sio.h" | |
25 | #include <sys/stat.h> | |
26 | ||
226a5691 | 27 | #ifdef USE_LIBRETRO_VFS |
28 | #include <streams/file_stream_transforms.h> | |
29 | #endif | |
30 | ||
ef79bbde P |
31 | // Status Flags |
32 | #define TX_RDY 0x0001 | |
33 | #define RX_RDY 0x0002 | |
34 | #define TX_EMPTY 0x0004 | |
35 | #define PARITY_ERR 0x0008 | |
36 | #define RX_OVERRUN 0x0010 | |
37 | #define FRAMING_ERR 0x0020 | |
38 | #define SYNC_DETECT 0x0040 | |
39 | #define DSR 0x0080 | |
40 | #define CTS 0x0100 | |
41 | #define IRQ 0x0200 | |
42 | ||
43 | // Control Flags | |
44 | #define TX_PERM 0x0001 | |
45 | #define DTR 0x0002 | |
46 | #define RX_PERM 0x0004 | |
47 | #define BREAK 0x0008 | |
48 | #define RESET_ERR 0x0010 | |
49 | #define RTS 0x0020 | |
50 | #define SIO_RESET 0x0040 | |
51 | ||
52 | // *** FOR WORKS ON PADS AND MEMORY CARDS ***** | |
53 | ||
54 | static unsigned char buf[256]; | |
f3a77032 | 55 | static unsigned char cardh1[4] = { 0xff, 0x08, 0x5a, 0x5d }; |
56 | static unsigned char cardh2[4] = { 0xff, 0x08, 0x5a, 0x5d }; | |
ef79bbde P |
57 | |
58 | // Transfer Ready and the Buffer is Empty | |
59 | // static unsigned short StatReg = 0x002b; | |
60 | static unsigned short StatReg = TX_RDY | TX_EMPTY; | |
61 | static unsigned short ModeReg; | |
62 | static unsigned short CtrlReg; | |
63 | static unsigned short BaudReg; | |
64 | ||
65 | static unsigned int bufcount; | |
66 | static unsigned int parp; | |
67 | static unsigned int mcdst, rdwr; | |
68 | static unsigned char adrH, adrL; | |
69 | static unsigned int padst; | |
70 | ||
71 | char Mcd1Data[MCD_SIZE], Mcd2Data[MCD_SIZE]; | |
f3a77032 | 72 | char McdDisable[2]; |
ef79bbde | 73 | |
d28b54b1 | 74 | #define SIO_INT(eCycle) { \ |
840639a5 | 75 | psxRegs.interrupt |= (1 << PSXINT_SIO); \ |
76 | psxRegs.intCycle[PSXINT_SIO].cycle = eCycle; \ | |
77 | psxRegs.intCycle[PSXINT_SIO].sCycle = psxRegs.cycle; \ | |
78 | new_dyna_set_event(PSXINT_SIO, eCycle); \ | |
d28b54b1 | 79 | } |
80 | ||
ef79bbde P |
81 | // clk cycle byte |
82 | // 4us * 8bits = (PSXCLK / 1000000) * 32; (linuzappz) | |
83 | // TODO: add SioModePrescaler and BaudReg | |
d28b54b1 | 84 | #define SIO_CYCLES 535 |
ef79bbde P |
85 | |
86 | void sioWrite8(unsigned char value) { | |
1e774d8e | 87 | int more_data = 0; |
88 | #if 0 | |
89 | s32 framec = psxRegs.cycle - rcnts[3].cycleStart; | |
90 | printf("%d:%03d sio write8 %04x %02x\n", frame_counter, | |
91 | (s32)(framec / (PSXCLK / 60 / 263.0f)), CtrlReg, value); | |
ef79bbde P |
92 | #endif |
93 | switch (padst) { | |
1e774d8e | 94 | case 1: |
ef79bbde P |
95 | if ((value & 0x40) == 0x40) { |
96 | padst = 2; parp = 1; | |
1e774d8e | 97 | switch (CtrlReg & 0x2002) { |
98 | case 0x0002: | |
99 | buf[parp] = PAD1_poll(value, &more_data); | |
100 | break; | |
101 | case 0x2002: | |
102 | buf[parp] = PAD2_poll(value, &more_data); | |
103 | break; | |
ef79bbde | 104 | } |
b62c0ebc | 105 | |
1e774d8e | 106 | if (more_data) { |
107 | bufcount = parp + 1; | |
108 | SIO_INT(SIO_CYCLES); | |
b62c0ebc | 109 | } |
ef79bbde P |
110 | } |
111 | else padst = 0; | |
112 | return; | |
113 | case 2: | |
114 | parp++; | |
1e774d8e | 115 | switch (CtrlReg & 0x2002) { |
116 | case 0x0002: buf[parp] = PAD1_poll(value, &more_data); break; | |
117 | case 0x2002: buf[parp] = PAD2_poll(value, &more_data); break; | |
ef79bbde P |
118 | } |
119 | ||
1e774d8e | 120 | if (more_data) { |
121 | bufcount = parp + 1; | |
122 | SIO_INT(SIO_CYCLES); | |
123 | } | |
ef79bbde P |
124 | return; |
125 | } | |
126 | ||
127 | switch (mcdst) { | |
128 | case 1: | |
d28b54b1 | 129 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
130 | if (rdwr) { parp++; return; } |
131 | parp = 1; | |
132 | switch (value) { | |
133 | case 0x52: rdwr = 1; break; | |
134 | case 0x57: rdwr = 2; break; | |
135 | default: mcdst = 0; | |
136 | } | |
137 | return; | |
138 | case 2: // address H | |
d28b54b1 | 139 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
140 | adrH = value; |
141 | *buf = 0; | |
142 | parp = 0; | |
143 | bufcount = 1; | |
144 | mcdst = 3; | |
145 | return; | |
146 | case 3: // address L | |
d28b54b1 | 147 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
148 | adrL = value; |
149 | *buf = adrH; | |
150 | parp = 0; | |
151 | bufcount = 1; | |
152 | mcdst = 4; | |
153 | return; | |
154 | case 4: | |
d28b54b1 | 155 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
156 | parp = 0; |
157 | switch (rdwr) { | |
158 | case 1: // read | |
159 | buf[0] = 0x5c; | |
160 | buf[1] = 0x5d; | |
161 | buf[2] = adrH; | |
162 | buf[3] = adrL; | |
163 | switch (CtrlReg & 0x2002) { | |
164 | case 0x0002: | |
165 | memcpy(&buf[4], Mcd1Data + (adrL | (adrH << 8)) * 128, 128); | |
166 | break; | |
167 | case 0x2002: | |
168 | memcpy(&buf[4], Mcd2Data + (adrL | (adrH << 8)) * 128, 128); | |
169 | break; | |
170 | } | |
171 | { | |
172 | char xor = 0; | |
173 | int i; | |
174 | for (i = 2; i < 128 + 4; i++) | |
175 | xor ^= buf[i]; | |
176 | buf[132] = xor; | |
177 | } | |
178 | buf[133] = 0x47; | |
179 | bufcount = 133; | |
180 | break; | |
181 | case 2: // write | |
182 | buf[0] = adrL; | |
183 | buf[1] = value; | |
184 | buf[129] = 0x5c; | |
185 | buf[130] = 0x5d; | |
186 | buf[131] = 0x47; | |
187 | bufcount = 131; | |
188 | break; | |
189 | } | |
190 | mcdst = 5; | |
191 | return; | |
192 | case 5: | |
193 | parp++; | |
f3a77032 | 194 | if ((rdwr == 1 && parp == 132) || |
195 | (rdwr == 2 && parp == 129)) { | |
196 | // clear "new card" flags | |
197 | if (CtrlReg & 0x2000) | |
198 | cardh2[1] &= ~8; | |
199 | else | |
200 | cardh1[1] &= ~8; | |
201 | } | |
ef79bbde P |
202 | if (rdwr == 2) { |
203 | if (parp < 128) buf[parp + 1] = value; | |
204 | } | |
d28b54b1 | 205 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
206 | return; |
207 | } | |
208 | ||
209 | switch (value) { | |
210 | case 0x01: // start pad | |
211 | StatReg |= RX_RDY; // Transfer is Ready | |
212 | ||
1e774d8e | 213 | switch (CtrlReg & 0x2002) { |
214 | case 0x0002: buf[0] = PAD1_startPoll(1); break; | |
215 | case 0x2002: buf[0] = PAD2_startPoll(2); break; | |
ef79bbde | 216 | } |
1e774d8e | 217 | bufcount = 1; |
ef79bbde P |
218 | parp = 0; |
219 | padst = 1; | |
d28b54b1 | 220 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
221 | return; |
222 | case 0x81: // start memcard | |
f3a77032 | 223 | if (CtrlReg & 0x2000) |
224 | { | |
225 | if (McdDisable[1]) | |
226 | goto no_device; | |
227 | memcpy(buf, cardh2, 4); | |
228 | } | |
229 | else | |
230 | { | |
231 | if (McdDisable[0]) | |
232 | goto no_device; | |
233 | memcpy(buf, cardh1, 4); | |
234 | } | |
ef79bbde | 235 | StatReg |= RX_RDY; |
ef79bbde P |
236 | parp = 0; |
237 | bufcount = 3; | |
238 | mcdst = 1; | |
239 | rdwr = 0; | |
d28b54b1 | 240 | SIO_INT(SIO_CYCLES); |
ef79bbde | 241 | return; |
f3a77032 | 242 | default: |
243 | no_device: | |
244 | StatReg |= RX_RDY; | |
245 | buf[0] = 0xff; | |
246 | parp = 0; | |
247 | bufcount = 0; | |
248 | return; | |
ef79bbde P |
249 | } |
250 | } | |
251 | ||
252 | void sioWriteStat16(unsigned short value) { | |
253 | } | |
254 | ||
255 | void sioWriteMode16(unsigned short value) { | |
256 | ModeReg = value; | |
257 | } | |
258 | ||
259 | void sioWriteCtrl16(unsigned short value) { | |
260 | CtrlReg = value & ~RESET_ERR; | |
261 | if (value & RESET_ERR) StatReg &= ~IRQ; | |
7d95d6fa | 262 | if ((CtrlReg & SIO_RESET) || !(CtrlReg & DTR)) { |
ef79bbde P |
263 | padst = 0; mcdst = 0; parp = 0; |
264 | StatReg = TX_RDY | TX_EMPTY; | |
d28b54b1 | 265 | psxRegs.interrupt &= ~(1 << PSXINT_SIO); |
ef79bbde P |
266 | } |
267 | } | |
268 | ||
269 | void sioWriteBaud16(unsigned short value) { | |
270 | BaudReg = value; | |
271 | } | |
272 | ||
273 | unsigned char sioRead8() { | |
274 | unsigned char ret = 0; | |
275 | ||
276 | if ((StatReg & RX_RDY)/* && (CtrlReg & RX_PERM)*/) { | |
277 | // StatReg &= ~RX_OVERRUN; | |
278 | ret = buf[parp]; | |
279 | if (parp == bufcount) { | |
280 | StatReg &= ~RX_RDY; // Receive is not Ready now | |
281 | if (mcdst == 5) { | |
282 | mcdst = 0; | |
283 | if (rdwr == 2) { | |
284 | switch (CtrlReg & 0x2002) { | |
285 | case 0x0002: | |
286 | memcpy(Mcd1Data + (adrL | (adrH << 8)) * 128, &buf[1], 128); | |
287 | SaveMcd(Config.Mcd1, Mcd1Data, (adrL | (adrH << 8)) * 128, 128); | |
288 | break; | |
289 | case 0x2002: | |
290 | memcpy(Mcd2Data + (adrL | (adrH << 8)) * 128, &buf[1], 128); | |
291 | SaveMcd(Config.Mcd2, Mcd2Data, (adrL | (adrH << 8)) * 128, 128); | |
292 | break; | |
293 | } | |
294 | } | |
295 | } | |
296 | if (padst == 2) padst = 0; | |
297 | if (mcdst == 1) { | |
298 | mcdst = 2; | |
299 | StatReg|= RX_RDY; | |
300 | } | |
301 | } | |
302 | } | |
303 | ||
1e774d8e | 304 | #if 0 |
305 | s32 framec = psxRegs.cycle - rcnts[3].cycleStart; | |
306 | printf("%d:%03d sio read8 %04x %02x\n", frame_counter, | |
307 | (s32)((float)framec / (PSXCLK / 60 / 263.0f)), CtrlReg, ret); | |
ef79bbde P |
308 | #endif |
309 | return ret; | |
310 | } | |
311 | ||
312 | unsigned short sioReadStat16() { | |
313 | return StatReg; | |
314 | } | |
315 | ||
316 | unsigned short sioReadMode16() { | |
317 | return ModeReg; | |
318 | } | |
319 | ||
320 | unsigned short sioReadCtrl16() { | |
321 | return CtrlReg; | |
322 | } | |
323 | ||
324 | unsigned short sioReadBaud16() { | |
325 | return BaudReg; | |
326 | } | |
327 | ||
328 | void netError() { | |
329 | ClosePlugins(); | |
330 | SysMessage(_("Connection closed!\n")); | |
331 | ||
332 | CdromId[0] = '\0'; | |
333 | CdromLabel[0] = '\0'; | |
334 | ||
335 | SysRunGui(); | |
336 | } | |
337 | ||
338 | void sioInterrupt() { | |
339 | #ifdef PAD_LOG | |
340 | PAD_LOG("Sio Interrupt (CP0.Status = %x)\n", psxRegs.CP0.n.Status); | |
341 | #endif | |
342 | // SysPrintf("Sio Interrupt\n"); | |
aa35134a | 343 | if (!(StatReg & IRQ)) { |
344 | StatReg |= IRQ; | |
345 | psxHu32ref(0x1070) |= SWAPu32(0x80); | |
346 | } | |
ef79bbde P |
347 | } |
348 | ||
349 | void LoadMcd(int mcd, char *str) { | |
350 | FILE *f; | |
351 | char *data = NULL; | |
352 | ||
f3a77032 | 353 | if (mcd != 1 && mcd != 2) |
354 | return; | |
ef79bbde | 355 | |
f3a77032 | 356 | if (mcd == 1) { |
357 | data = Mcd1Data; | |
358 | cardh1[1] |= 8; // mark as new | |
359 | } | |
360 | if (mcd == 2) { | |
361 | data = Mcd2Data; | |
362 | cardh2[1] |= 8; | |
363 | } | |
364 | ||
365 | McdDisable[mcd - 1] = 0; | |
5bf56268 | 366 | #ifdef HAVE_LIBRETRO |
367 | // memcard1 is handled by libretro | |
368 | if (mcd == 1) | |
369 | return; | |
370 | #endif | |
371 | ||
6f18d16a | 372 | if (str == NULL || strcmp(str, "none") == 0) { |
f3a77032 | 373 | McdDisable[mcd - 1] = 1; |
374 | return; | |
ef79bbde | 375 | } |
6f18d16a | 376 | if (*str == 0) |
377 | return; | |
378 | ||
226a5691 | 379 | f = fopen(str, "rb"); |
ef79bbde P |
380 | if (f == NULL) { |
381 | SysPrintf(_("The memory card %s doesn't exist - creating it\n"), str); | |
382 | CreateMcd(str); | |
226a5691 | 383 | f = fopen(str, "rb"); |
ef79bbde P |
384 | if (f != NULL) { |
385 | struct stat buf; | |
386 | ||
387 | if (stat(str, &buf) != -1) { | |
388 | if (buf.st_size == MCD_SIZE + 64) | |
389 | fseek(f, 64, SEEK_SET); | |
390 | else if(buf.st_size == MCD_SIZE + 3904) | |
391 | fseek(f, 3904, SEEK_SET); | |
392 | } | |
9361a5aa EC |
393 | if (fread(data, 1, MCD_SIZE, f) != MCD_SIZE) { |
394 | #ifndef NDEBUG | |
395 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
396 | #endif | |
397 | memset(data, 0x00, MCD_SIZE); | |
398 | } | |
ef79bbde P |
399 | fclose(f); |
400 | } | |
401 | else | |
402 | SysMessage(_("Memory card %s failed to load!\n"), str); | |
403 | } | |
404 | else { | |
405 | struct stat buf; | |
406 | SysPrintf(_("Loading memory card %s\n"), str); | |
407 | if (stat(str, &buf) != -1) { | |
408 | if (buf.st_size == MCD_SIZE + 64) | |
409 | fseek(f, 64, SEEK_SET); | |
410 | else if(buf.st_size == MCD_SIZE + 3904) | |
411 | fseek(f, 3904, SEEK_SET); | |
412 | } | |
9361a5aa EC |
413 | if (fread(data, 1, MCD_SIZE, f) != MCD_SIZE) { |
414 | #ifndef NDEBUG | |
415 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
416 | #endif | |
417 | memset(data, 0x00, MCD_SIZE); | |
418 | } | |
ef79bbde P |
419 | fclose(f); |
420 | } | |
421 | } | |
422 | ||
423 | void LoadMcds(char *mcd1, char *mcd2) { | |
424 | LoadMcd(1, mcd1); | |
425 | LoadMcd(2, mcd2); | |
426 | } | |
427 | ||
428 | void SaveMcd(char *mcd, char *data, uint32_t adr, int size) { | |
429 | FILE *f; | |
430 | ||
6f18d16a | 431 | if (mcd == NULL || *mcd == 0 || strcmp(mcd, "none") == 0) |
432 | return; | |
433 | ||
226a5691 | 434 | f = fopen(mcd, "r+b"); |
ef79bbde P |
435 | if (f != NULL) { |
436 | struct stat buf; | |
437 | ||
438 | if (stat(mcd, &buf) != -1) { | |
439 | if (buf.st_size == MCD_SIZE + 64) | |
440 | fseek(f, adr + 64, SEEK_SET); | |
441 | else if (buf.st_size == MCD_SIZE + 3904) | |
442 | fseek(f, adr + 3904, SEEK_SET); | |
443 | else | |
444 | fseek(f, adr, SEEK_SET); | |
445 | } else | |
446 | fseek(f, adr, SEEK_SET); | |
447 | ||
448 | fwrite(data + adr, 1, size, f); | |
449 | fclose(f); | |
450 | return; | |
451 | } | |
452 | ||
453 | #if 0 | |
454 | // try to create it again if we can't open it | |
455 | f = fopen(mcd, "wb"); | |
456 | if (f != NULL) { | |
457 | fwrite(data, 1, MCD_SIZE, f); | |
458 | fclose(f); | |
459 | } | |
460 | #endif | |
461 | ||
462 | ConvertMcd(mcd, data); | |
463 | } | |
464 | ||
465 | void CreateMcd(char *mcd) { | |
466 | FILE *f; | |
467 | struct stat buf; | |
468 | int s = MCD_SIZE; | |
469 | int i = 0, j; | |
470 | ||
226a5691 | 471 | f = fopen(mcd, "wb"); |
ef79bbde P |
472 | if (f == NULL) |
473 | return; | |
474 | ||
475 | if (stat(mcd, &buf) != -1) { | |
476 | if ((buf.st_size == MCD_SIZE + 3904) || strstr(mcd, ".gme")) { | |
477 | s = s + 3904; | |
478 | fputc('1', f); | |
479 | s--; | |
480 | fputc('2', f); | |
481 | s--; | |
482 | fputc('3', f); | |
483 | s--; | |
484 | fputc('-', f); | |
485 | s--; | |
486 | fputc('4', f); | |
487 | s--; | |
488 | fputc('5', f); | |
489 | s--; | |
490 | fputc('6', f); | |
491 | s--; | |
492 | fputc('-', f); | |
493 | s--; | |
494 | fputc('S', f); | |
495 | s--; | |
496 | fputc('T', f); | |
497 | s--; | |
498 | fputc('D', f); | |
499 | s--; | |
500 | for (i = 0; i < 7; i++) { | |
501 | fputc(0, f); | |
502 | s--; | |
503 | } | |
504 | fputc(1, f); | |
505 | s--; | |
506 | fputc(0, f); | |
507 | s--; | |
508 | fputc(1, f); | |
509 | s--; | |
510 | fputc('M', f); | |
511 | s--; | |
512 | fputc('Q', f); | |
513 | s--; | |
514 | for (i = 0; i < 14; i++) { | |
515 | fputc(0xa0, f); | |
516 | s--; | |
517 | } | |
518 | fputc(0, f); | |
519 | s--; | |
520 | fputc(0xff, f); | |
521 | while (s-- > (MCD_SIZE + 1)) | |
522 | fputc(0, f); | |
523 | } else if ((buf.st_size == MCD_SIZE + 64) || strstr(mcd, ".mem") || strstr(mcd, ".vgs")) { | |
524 | s = s + 64; | |
525 | fputc('V', f); | |
526 | s--; | |
527 | fputc('g', f); | |
528 | s--; | |
529 | fputc('s', f); | |
530 | s--; | |
531 | fputc('M', f); | |
532 | s--; | |
533 | for (i = 0; i < 3; i++) { | |
534 | fputc(1, f); | |
535 | s--; | |
536 | fputc(0, f); | |
537 | s--; | |
538 | fputc(0, f); | |
539 | s--; | |
540 | fputc(0, f); | |
541 | s--; | |
542 | } | |
543 | fputc(0, f); | |
544 | s--; | |
545 | fputc(2, f); | |
546 | while (s-- > (MCD_SIZE + 1)) | |
547 | fputc(0, f); | |
548 | } | |
549 | } | |
550 | fputc('M', f); | |
551 | s--; | |
552 | fputc('C', f); | |
553 | s--; | |
554 | while (s-- > (MCD_SIZE - 127)) | |
555 | fputc(0, f); | |
556 | fputc(0xe, f); | |
557 | s--; | |
558 | ||
559 | for (i = 0; i < 15; i++) { // 15 blocks | |
560 | fputc(0xa0, f); | |
561 | s--; | |
562 | fputc(0x00, f); | |
563 | s--; | |
564 | fputc(0x00, f); | |
565 | s--; | |
566 | fputc(0x00, f); | |
567 | s--; | |
568 | fputc(0x00, f); | |
569 | s--; | |
570 | fputc(0x00, f); | |
571 | s--; | |
572 | fputc(0x00, f); | |
573 | s--; | |
574 | fputc(0x00, f); | |
575 | s--; | |
576 | fputc(0xff, f); | |
577 | s--; | |
578 | fputc(0xff, f); | |
579 | s--; | |
580 | for (j = 0; j < 117; j++) { | |
581 | fputc(0x00, f); | |
582 | s--; | |
583 | } | |
584 | fputc(0xa0, f); | |
585 | s--; | |
586 | } | |
587 | ||
588 | for (i = 0; i < 20; i++) { | |
589 | fputc(0xff, f); | |
590 | s--; | |
591 | fputc(0xff, f); | |
592 | s--; | |
593 | fputc(0xff, f); | |
594 | s--; | |
595 | fputc(0xff, f); | |
596 | s--; | |
597 | fputc(0x00, f); | |
598 | s--; | |
599 | fputc(0x00, f); | |
600 | s--; | |
601 | fputc(0x00, f); | |
602 | s--; | |
603 | fputc(0x00, f); | |
604 | s--; | |
605 | fputc(0xff, f); | |
606 | s--; | |
607 | fputc(0xff, f); | |
608 | s--; | |
609 | for (j = 0; j < 118; j++) { | |
610 | fputc(0x00, f); | |
611 | s--; | |
612 | } | |
613 | } | |
614 | ||
615 | while ((s--) >= 0) | |
616 | fputc(0, f); | |
617 | ||
618 | fclose(f); | |
619 | } | |
620 | ||
621 | void ConvertMcd(char *mcd, char *data) { | |
622 | FILE *f; | |
623 | int i = 0; | |
624 | int s = MCD_SIZE; | |
625 | ||
626 | if (strstr(mcd, ".gme")) { | |
627 | f = fopen(mcd, "wb"); | |
628 | if (f != NULL) { | |
629 | fwrite(data - 3904, 1, MCD_SIZE + 3904, f); | |
630 | fclose(f); | |
631 | } | |
632 | f = fopen(mcd, "r+"); | |
ab91a058 | 633 | if (f == NULL) return; |
ef79bbde P |
634 | s = s + 3904; |
635 | fputc('1', f); s--; | |
636 | fputc('2', f); s--; | |
637 | fputc('3', f); s--; | |
638 | fputc('-', f); s--; | |
639 | fputc('4', f); s--; | |
640 | fputc('5', f); s--; | |
641 | fputc('6', f); s--; | |
642 | fputc('-', f); s--; | |
643 | fputc('S', f); s--; | |
644 | fputc('T', f); s--; | |
645 | fputc('D', f); s--; | |
646 | for (i = 0; i < 7; i++) { | |
647 | fputc(0, f); s--; | |
648 | } | |
649 | fputc(1, f); s--; | |
650 | fputc(0, f); s--; | |
651 | fputc(1, f); s--; | |
652 | fputc('M', f); s--; | |
653 | fputc('Q', f); s--; | |
654 | for(i=0;i<14;i++) { | |
655 | fputc(0xa0, f); s--; | |
656 | } | |
657 | fputc(0, f); s--; | |
658 | fputc(0xff, f); | |
659 | while (s-- > (MCD_SIZE+1)) fputc(0, f); | |
660 | fclose(f); | |
661 | } else if(strstr(mcd, ".mem") || strstr(mcd,".vgs")) { | |
662 | f = fopen(mcd, "wb"); | |
663 | if (f != NULL) { | |
664 | fwrite(data-64, 1, MCD_SIZE+64, f); | |
665 | fclose(f); | |
666 | } | |
667 | f = fopen(mcd, "r+"); | |
ab91a058 | 668 | if (f == NULL) return; |
ef79bbde P |
669 | s = s + 64; |
670 | fputc('V', f); s--; | |
671 | fputc('g', f); s--; | |
672 | fputc('s', f); s--; | |
673 | fputc('M', f); s--; | |
674 | for(i=0;i<3;i++) { | |
675 | fputc(1, f); s--; | |
676 | fputc(0, f); s--; | |
677 | fputc(0, f); s--; | |
678 | fputc(0, f); s--; | |
679 | } | |
680 | fputc(0, f); s--; | |
681 | fputc(2, f); | |
682 | while (s-- > (MCD_SIZE+1)) fputc(0, f); | |
683 | fclose(f); | |
684 | } else { | |
685 | f = fopen(mcd, "wb"); | |
686 | if (f != NULL) { | |
687 | fwrite(data, 1, MCD_SIZE, f); | |
688 | fclose(f); | |
689 | } | |
690 | } | |
691 | } | |
692 | ||
693 | void GetMcdBlockInfo(int mcd, int block, McdBlock *Info) { | |
ab948f7e | 694 | char *data = NULL, *ptr, *str, *sstr; |
ef79bbde P |
695 | unsigned short clut[16]; |
696 | unsigned short c; | |
697 | int i, x; | |
698 | ||
699 | memset(Info, 0, sizeof(McdBlock)); | |
700 | ||
f3a77032 | 701 | if (mcd != 1 && mcd != 2) |
702 | return; | |
703 | ||
704 | if (McdDisable[mcd - 1]) | |
705 | return; | |
706 | ||
ef79bbde P |
707 | if (mcd == 1) data = Mcd1Data; |
708 | if (mcd == 2) data = Mcd2Data; | |
709 | ||
710 | ptr = data + block * 8192 + 2; | |
711 | ||
712 | Info->IconCount = *ptr & 0x3; | |
713 | ||
714 | ptr += 2; | |
715 | ||
716 | x = 0; | |
717 | ||
718 | str = Info->Title; | |
719 | sstr = Info->sTitle; | |
720 | ||
721 | for (i = 0; i < 48; i++) { | |
722 | c = *(ptr) << 8; | |
723 | c |= *(ptr + 1); | |
724 | if (!c) break; | |
725 | ||
726 | // Convert ASCII characters to half-width | |
727 | if (c >= 0x8281 && c <= 0x829A) | |
728 | c = (c - 0x8281) + 'a'; | |
729 | else if (c >= 0x824F && c <= 0x827A) | |
730 | c = (c - 0x824F) + '0'; | |
731 | else if (c == 0x8140) c = ' '; | |
732 | else if (c == 0x8143) c = ','; | |
733 | else if (c == 0x8144) c = '.'; | |
734 | else if (c == 0x8146) c = ':'; | |
735 | else if (c == 0x8147) c = ';'; | |
736 | else if (c == 0x8148) c = '?'; | |
737 | else if (c == 0x8149) c = '!'; | |
738 | else if (c == 0x815E) c = '/'; | |
739 | else if (c == 0x8168) c = '"'; | |
740 | else if (c == 0x8169) c = '('; | |
741 | else if (c == 0x816A) c = ')'; | |
742 | else if (c == 0x816D) c = '['; | |
743 | else if (c == 0x816E) c = ']'; | |
744 | else if (c == 0x817C) c = '-'; | |
745 | else { | |
746 | str[i] = ' '; | |
747 | sstr[x++] = *ptr++; sstr[x++] = *ptr++; | |
748 | continue; | |
749 | } | |
750 | ||
751 | str[i] = sstr[x++] = c; | |
752 | ptr += 2; | |
753 | } | |
754 | ||
755 | trim(str); | |
756 | trim(sstr); | |
757 | ||
758 | ptr = data + block * 8192 + 0x60; // icon palette data | |
759 | ||
760 | for (i = 0; i < 16; i++) { | |
761 | clut[i] = *((unsigned short *)ptr); | |
762 | ptr += 2; | |
763 | } | |
764 | ||
765 | for (i = 0; i < Info->IconCount; i++) { | |
766 | short *icon = &Info->Icon[i * 16 * 16]; | |
767 | ||
768 | ptr = data + block * 8192 + 128 + 128 * i; // icon data | |
769 | ||
770 | for (x = 0; x < 16 * 16; x++) { | |
771 | icon[x++] = clut[*ptr & 0xf]; | |
772 | icon[x] = clut[*ptr >> 4]; | |
773 | ptr++; | |
774 | } | |
775 | } | |
776 | ||
777 | ptr = data + block * 128; | |
778 | ||
779 | Info->Flags = *ptr; | |
780 | ||
781 | ptr += 0xa; | |
782 | strncpy(Info->ID, ptr, 12); | |
783 | ptr += 12; | |
784 | strncpy(Info->Name, ptr, 16); | |
785 | } | |
786 | ||
496d88d4 | 787 | int sioFreeze(void *f, int Mode) { |
ef79bbde P |
788 | gzfreeze(buf, sizeof(buf)); |
789 | gzfreeze(&StatReg, sizeof(StatReg)); | |
790 | gzfreeze(&ModeReg, sizeof(ModeReg)); | |
791 | gzfreeze(&CtrlReg, sizeof(CtrlReg)); | |
792 | gzfreeze(&BaudReg, sizeof(BaudReg)); | |
793 | gzfreeze(&bufcount, sizeof(bufcount)); | |
794 | gzfreeze(&parp, sizeof(parp)); | |
795 | gzfreeze(&mcdst, sizeof(mcdst)); | |
796 | gzfreeze(&rdwr, sizeof(rdwr)); | |
797 | gzfreeze(&adrH, sizeof(adrH)); | |
798 | gzfreeze(&adrL, sizeof(adrL)); | |
799 | gzfreeze(&padst, sizeof(padst)); | |
800 | ||
801 | return 0; | |
802 | } |