Commit | Line | Data |
---|---|---|
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 | ||
27 | // Status Flags | |
28 | #define TX_RDY 0x0001 | |
29 | #define RX_RDY 0x0002 | |
30 | #define TX_EMPTY 0x0004 | |
31 | #define PARITY_ERR 0x0008 | |
32 | #define RX_OVERRUN 0x0010 | |
33 | #define FRAMING_ERR 0x0020 | |
34 | #define SYNC_DETECT 0x0040 | |
35 | #define DSR 0x0080 | |
36 | #define CTS 0x0100 | |
37 | #define IRQ 0x0200 | |
38 | ||
39 | // Control Flags | |
40 | #define TX_PERM 0x0001 | |
41 | #define DTR 0x0002 | |
42 | #define RX_PERM 0x0004 | |
43 | #define BREAK 0x0008 | |
44 | #define RESET_ERR 0x0010 | |
45 | #define RTS 0x0020 | |
46 | #define SIO_RESET 0x0040 | |
47 | ||
48 | // *** FOR WORKS ON PADS AND MEMORY CARDS ***** | |
49 | ||
50 | static unsigned char buf[256]; | |
f3a77032 | 51 | static unsigned char cardh1[4] = { 0xff, 0x08, 0x5a, 0x5d }; |
52 | static unsigned char cardh2[4] = { 0xff, 0x08, 0x5a, 0x5d }; | |
ef79bbde P |
53 | |
54 | // Transfer Ready and the Buffer is Empty | |
55 | // static unsigned short StatReg = 0x002b; | |
56 | static unsigned short StatReg = TX_RDY | TX_EMPTY; | |
57 | static unsigned short ModeReg; | |
58 | static unsigned short CtrlReg; | |
59 | static unsigned short BaudReg; | |
60 | ||
61 | static unsigned int bufcount; | |
62 | static unsigned int parp; | |
63 | static unsigned int mcdst, rdwr; | |
64 | static unsigned char adrH, adrL; | |
65 | static unsigned int padst; | |
66 | ||
67 | char Mcd1Data[MCD_SIZE], Mcd2Data[MCD_SIZE]; | |
f3a77032 | 68 | char McdDisable[2]; |
ef79bbde | 69 | |
d28b54b1 | 70 | #define SIO_INT(eCycle) { \ |
71 | if (!Config.Sio) { \ | |
72 | psxRegs.interrupt |= (1 << PSXINT_SIO); \ | |
73 | psxRegs.intCycle[PSXINT_SIO].cycle = eCycle; \ | |
74 | psxRegs.intCycle[PSXINT_SIO].sCycle = psxRegs.cycle; \ | |
75 | new_dyna_set_event(PSXINT_SIO, eCycle); \ | |
76 | } \ | |
77 | } | |
78 | ||
ef79bbde P |
79 | // clk cycle byte |
80 | // 4us * 8bits = (PSXCLK / 1000000) * 32; (linuzappz) | |
81 | // TODO: add SioModePrescaler and BaudReg | |
d28b54b1 | 82 | #define SIO_CYCLES 535 |
ef79bbde P |
83 | |
84 | void sioWrite8(unsigned char value) { | |
85 | #ifdef PAD_LOG | |
86 | PAD_LOG("sio write8 %x\n", value); | |
87 | #endif | |
88 | switch (padst) { | |
d28b54b1 | 89 | case 1: SIO_INT(SIO_CYCLES); |
ef79bbde P |
90 | if ((value & 0x40) == 0x40) { |
91 | padst = 2; parp = 1; | |
92 | if (!Config.UseNet) { | |
93 | switch (CtrlReg & 0x2002) { | |
94 | case 0x0002: | |
95 | buf[parp] = PAD1_poll(value); | |
96 | break; | |
97 | case 0x2002: | |
98 | buf[parp] = PAD2_poll(value); | |
99 | break; | |
100 | } | |
101 | }/* else { | |
102 | // SysPrintf("%x: %x, %x, %x, %x\n", CtrlReg&0x2002, buf[2], buf[3], buf[4], buf[5]); | |
103 | }*/ | |
104 | ||
105 | if (!(buf[parp] & 0x0f)) { | |
106 | bufcount = 2 + 32; | |
107 | } else { | |
108 | bufcount = 2 + (buf[parp] & 0x0f) * 2; | |
109 | } | |
110 | if (buf[parp] == 0x41) { | |
111 | switch (value) { | |
112 | case 0x43: | |
113 | buf[1] = 0x43; | |
114 | break; | |
115 | case 0x45: | |
116 | buf[1] = 0xf3; | |
117 | break; | |
118 | } | |
119 | } | |
120 | } | |
121 | else padst = 0; | |
122 | return; | |
123 | case 2: | |
124 | parp++; | |
125 | /* if (buf[1] == 0x45) { | |
126 | buf[parp] = 0; | |
d28b54b1 | 127 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
128 | return; |
129 | }*/ | |
130 | if (!Config.UseNet) { | |
131 | switch (CtrlReg & 0x2002) { | |
132 | case 0x0002: buf[parp] = PAD1_poll(value); break; | |
133 | case 0x2002: buf[parp] = PAD2_poll(value); break; | |
134 | } | |
135 | } | |
136 | ||
137 | if (parp == bufcount) { padst = 0; return; } | |
d28b54b1 | 138 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
139 | return; |
140 | } | |
141 | ||
142 | switch (mcdst) { | |
143 | case 1: | |
d28b54b1 | 144 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
145 | if (rdwr) { parp++; return; } |
146 | parp = 1; | |
147 | switch (value) { | |
148 | case 0x52: rdwr = 1; break; | |
149 | case 0x57: rdwr = 2; break; | |
150 | default: mcdst = 0; | |
151 | } | |
152 | return; | |
153 | case 2: // address H | |
d28b54b1 | 154 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
155 | adrH = value; |
156 | *buf = 0; | |
157 | parp = 0; | |
158 | bufcount = 1; | |
159 | mcdst = 3; | |
160 | return; | |
161 | case 3: // address L | |
d28b54b1 | 162 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
163 | adrL = value; |
164 | *buf = adrH; | |
165 | parp = 0; | |
166 | bufcount = 1; | |
167 | mcdst = 4; | |
168 | return; | |
169 | case 4: | |
d28b54b1 | 170 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
171 | parp = 0; |
172 | switch (rdwr) { | |
173 | case 1: // read | |
174 | buf[0] = 0x5c; | |
175 | buf[1] = 0x5d; | |
176 | buf[2] = adrH; | |
177 | buf[3] = adrL; | |
178 | switch (CtrlReg & 0x2002) { | |
179 | case 0x0002: | |
180 | memcpy(&buf[4], Mcd1Data + (adrL | (adrH << 8)) * 128, 128); | |
181 | break; | |
182 | case 0x2002: | |
183 | memcpy(&buf[4], Mcd2Data + (adrL | (adrH << 8)) * 128, 128); | |
184 | break; | |
185 | } | |
186 | { | |
187 | char xor = 0; | |
188 | int i; | |
189 | for (i = 2; i < 128 + 4; i++) | |
190 | xor ^= buf[i]; | |
191 | buf[132] = xor; | |
192 | } | |
193 | buf[133] = 0x47; | |
194 | bufcount = 133; | |
195 | break; | |
196 | case 2: // write | |
197 | buf[0] = adrL; | |
198 | buf[1] = value; | |
199 | buf[129] = 0x5c; | |
200 | buf[130] = 0x5d; | |
201 | buf[131] = 0x47; | |
202 | bufcount = 131; | |
203 | break; | |
204 | } | |
205 | mcdst = 5; | |
206 | return; | |
207 | case 5: | |
208 | parp++; | |
f3a77032 | 209 | if ((rdwr == 1 && parp == 132) || |
210 | (rdwr == 2 && parp == 129)) { | |
211 | // clear "new card" flags | |
212 | if (CtrlReg & 0x2000) | |
213 | cardh2[1] &= ~8; | |
214 | else | |
215 | cardh1[1] &= ~8; | |
216 | } | |
ef79bbde P |
217 | if (rdwr == 2) { |
218 | if (parp < 128) buf[parp + 1] = value; | |
219 | } | |
d28b54b1 | 220 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
221 | return; |
222 | } | |
223 | ||
224 | switch (value) { | |
225 | case 0x01: // start pad | |
226 | StatReg |= RX_RDY; // Transfer is Ready | |
227 | ||
228 | if (!Config.UseNet) { | |
229 | switch (CtrlReg & 0x2002) { | |
230 | case 0x0002: buf[0] = PAD1_startPoll(1); break; | |
231 | case 0x2002: buf[0] = PAD2_startPoll(2); break; | |
232 | } | |
233 | } else { | |
234 | if ((CtrlReg & 0x2002) == 0x0002) { | |
235 | int i, j; | |
236 | ||
237 | PAD1_startPoll(1); | |
238 | buf[0] = 0; | |
239 | buf[1] = PAD1_poll(0x42); | |
240 | if (!(buf[1] & 0x0f)) { | |
241 | bufcount = 32; | |
242 | } else { | |
243 | bufcount = (buf[1] & 0x0f) * 2; | |
244 | } | |
245 | buf[2] = PAD1_poll(0); | |
246 | i = 3; | |
247 | j = bufcount; | |
248 | while (j--) { | |
249 | buf[i++] = PAD1_poll(0); | |
250 | } | |
251 | bufcount+= 3; | |
252 | ||
253 | if (NET_sendPadData(buf, bufcount) == -1) | |
254 | netError(); | |
255 | ||
256 | if (NET_recvPadData(buf, 1) == -1) | |
257 | netError(); | |
258 | if (NET_recvPadData(buf + 128, 2) == -1) | |
259 | netError(); | |
260 | } else { | |
261 | memcpy(buf, buf + 128, 32); | |
262 | } | |
263 | } | |
264 | ||
265 | bufcount = 2; | |
266 | parp = 0; | |
267 | padst = 1; | |
d28b54b1 | 268 | SIO_INT(SIO_CYCLES); |
ef79bbde P |
269 | return; |
270 | case 0x81: // start memcard | |
f3a77032 | 271 | if (CtrlReg & 0x2000) |
272 | { | |
273 | if (McdDisable[1]) | |
274 | goto no_device; | |
275 | memcpy(buf, cardh2, 4); | |
276 | } | |
277 | else | |
278 | { | |
279 | if (McdDisable[0]) | |
280 | goto no_device; | |
281 | memcpy(buf, cardh1, 4); | |
282 | } | |
ef79bbde | 283 | StatReg |= RX_RDY; |
ef79bbde P |
284 | parp = 0; |
285 | bufcount = 3; | |
286 | mcdst = 1; | |
287 | rdwr = 0; | |
d28b54b1 | 288 | SIO_INT(SIO_CYCLES); |
ef79bbde | 289 | return; |
f3a77032 | 290 | default: |
291 | no_device: | |
292 | StatReg |= RX_RDY; | |
293 | buf[0] = 0xff; | |
294 | parp = 0; | |
295 | bufcount = 0; | |
296 | return; | |
ef79bbde P |
297 | } |
298 | } | |
299 | ||
300 | void sioWriteStat16(unsigned short value) { | |
301 | } | |
302 | ||
303 | void sioWriteMode16(unsigned short value) { | |
304 | ModeReg = value; | |
305 | } | |
306 | ||
307 | void sioWriteCtrl16(unsigned short value) { | |
308 | CtrlReg = value & ~RESET_ERR; | |
309 | if (value & RESET_ERR) StatReg &= ~IRQ; | |
7d95d6fa | 310 | if ((CtrlReg & SIO_RESET) || !(CtrlReg & DTR)) { |
ef79bbde P |
311 | padst = 0; mcdst = 0; parp = 0; |
312 | StatReg = TX_RDY | TX_EMPTY; | |
d28b54b1 | 313 | psxRegs.interrupt &= ~(1 << PSXINT_SIO); |
ef79bbde P |
314 | } |
315 | } | |
316 | ||
317 | void sioWriteBaud16(unsigned short value) { | |
318 | BaudReg = value; | |
319 | } | |
320 | ||
321 | unsigned char sioRead8() { | |
322 | unsigned char ret = 0; | |
323 | ||
324 | if ((StatReg & RX_RDY)/* && (CtrlReg & RX_PERM)*/) { | |
325 | // StatReg &= ~RX_OVERRUN; | |
326 | ret = buf[parp]; | |
327 | if (parp == bufcount) { | |
328 | StatReg &= ~RX_RDY; // Receive is not Ready now | |
329 | if (mcdst == 5) { | |
330 | mcdst = 0; | |
331 | if (rdwr == 2) { | |
332 | switch (CtrlReg & 0x2002) { | |
333 | case 0x0002: | |
334 | memcpy(Mcd1Data + (adrL | (adrH << 8)) * 128, &buf[1], 128); | |
335 | SaveMcd(Config.Mcd1, Mcd1Data, (adrL | (adrH << 8)) * 128, 128); | |
336 | break; | |
337 | case 0x2002: | |
338 | memcpy(Mcd2Data + (adrL | (adrH << 8)) * 128, &buf[1], 128); | |
339 | SaveMcd(Config.Mcd2, Mcd2Data, (adrL | (adrH << 8)) * 128, 128); | |
340 | break; | |
341 | } | |
342 | } | |
343 | } | |
344 | if (padst == 2) padst = 0; | |
345 | if (mcdst == 1) { | |
346 | mcdst = 2; | |
347 | StatReg|= RX_RDY; | |
348 | } | |
349 | } | |
350 | } | |
351 | ||
352 | #ifdef PAD_LOG | |
353 | PAD_LOG("sio read8 ;ret = %x\n", ret); | |
354 | #endif | |
355 | return ret; | |
356 | } | |
357 | ||
358 | unsigned short sioReadStat16() { | |
359 | return StatReg; | |
360 | } | |
361 | ||
362 | unsigned short sioReadMode16() { | |
363 | return ModeReg; | |
364 | } | |
365 | ||
366 | unsigned short sioReadCtrl16() { | |
367 | return CtrlReg; | |
368 | } | |
369 | ||
370 | unsigned short sioReadBaud16() { | |
371 | return BaudReg; | |
372 | } | |
373 | ||
374 | void netError() { | |
375 | ClosePlugins(); | |
376 | SysMessage(_("Connection closed!\n")); | |
377 | ||
378 | CdromId[0] = '\0'; | |
379 | CdromLabel[0] = '\0'; | |
380 | ||
381 | SysRunGui(); | |
382 | } | |
383 | ||
384 | void sioInterrupt() { | |
385 | #ifdef PAD_LOG | |
386 | PAD_LOG("Sio Interrupt (CP0.Status = %x)\n", psxRegs.CP0.n.Status); | |
387 | #endif | |
388 | // SysPrintf("Sio Interrupt\n"); | |
389 | StatReg |= IRQ; | |
390 | psxHu32ref(0x1070) |= SWAPu32(0x80); | |
391 | } | |
392 | ||
393 | void LoadMcd(int mcd, char *str) { | |
394 | FILE *f; | |
395 | char *data = NULL; | |
396 | ||
f3a77032 | 397 | if (mcd != 1 && mcd != 2) |
398 | return; | |
ef79bbde | 399 | |
f3a77032 | 400 | if (mcd == 1) { |
401 | data = Mcd1Data; | |
402 | cardh1[1] |= 8; // mark as new | |
403 | } | |
404 | if (mcd == 2) { | |
405 | data = Mcd2Data; | |
406 | cardh2[1] |= 8; | |
407 | } | |
408 | ||
409 | McdDisable[mcd - 1] = 0; | |
410 | if (str == NULL || *str == 0) { | |
411 | McdDisable[mcd - 1] = 1; | |
412 | return; | |
ef79bbde P |
413 | } |
414 | f = fopen(str, "rb"); | |
415 | if (f == NULL) { | |
416 | SysPrintf(_("The memory card %s doesn't exist - creating it\n"), str); | |
417 | CreateMcd(str); | |
418 | f = fopen(str, "rb"); | |
419 | if (f != NULL) { | |
420 | struct stat buf; | |
421 | ||
422 | if (stat(str, &buf) != -1) { | |
423 | if (buf.st_size == MCD_SIZE + 64) | |
424 | fseek(f, 64, SEEK_SET); | |
425 | else if(buf.st_size == MCD_SIZE + 3904) | |
426 | fseek(f, 3904, SEEK_SET); | |
427 | } | |
428 | fread(data, 1, MCD_SIZE, f); | |
429 | fclose(f); | |
430 | } | |
431 | else | |
432 | SysMessage(_("Memory card %s failed to load!\n"), str); | |
433 | } | |
434 | else { | |
435 | struct stat buf; | |
436 | SysPrintf(_("Loading memory card %s\n"), str); | |
437 | if (stat(str, &buf) != -1) { | |
438 | if (buf.st_size == MCD_SIZE + 64) | |
439 | fseek(f, 64, SEEK_SET); | |
440 | else if(buf.st_size == MCD_SIZE + 3904) | |
441 | fseek(f, 3904, SEEK_SET); | |
442 | } | |
443 | fread(data, 1, MCD_SIZE, f); | |
444 | fclose(f); | |
445 | } | |
446 | } | |
447 | ||
448 | void LoadMcds(char *mcd1, char *mcd2) { | |
449 | LoadMcd(1, mcd1); | |
450 | LoadMcd(2, mcd2); | |
451 | } | |
452 | ||
453 | void SaveMcd(char *mcd, char *data, uint32_t adr, int size) { | |
454 | FILE *f; | |
455 | ||
456 | f = fopen(mcd, "r+b"); | |
457 | if (f != NULL) { | |
458 | struct stat buf; | |
459 | ||
460 | if (stat(mcd, &buf) != -1) { | |
461 | if (buf.st_size == MCD_SIZE + 64) | |
462 | fseek(f, adr + 64, SEEK_SET); | |
463 | else if (buf.st_size == MCD_SIZE + 3904) | |
464 | fseek(f, adr + 3904, SEEK_SET); | |
465 | else | |
466 | fseek(f, adr, SEEK_SET); | |
467 | } else | |
468 | fseek(f, adr, SEEK_SET); | |
469 | ||
470 | fwrite(data + adr, 1, size, f); | |
471 | fclose(f); | |
472 | return; | |
473 | } | |
474 | ||
475 | #if 0 | |
476 | // try to create it again if we can't open it | |
477 | f = fopen(mcd, "wb"); | |
478 | if (f != NULL) { | |
479 | fwrite(data, 1, MCD_SIZE, f); | |
480 | fclose(f); | |
481 | } | |
482 | #endif | |
483 | ||
484 | ConvertMcd(mcd, data); | |
485 | } | |
486 | ||
487 | void CreateMcd(char *mcd) { | |
488 | FILE *f; | |
489 | struct stat buf; | |
490 | int s = MCD_SIZE; | |
491 | int i = 0, j; | |
492 | ||
493 | f = fopen(mcd, "wb"); | |
494 | if (f == NULL) | |
495 | return; | |
496 | ||
497 | if (stat(mcd, &buf) != -1) { | |
498 | if ((buf.st_size == MCD_SIZE + 3904) || strstr(mcd, ".gme")) { | |
499 | s = s + 3904; | |
500 | fputc('1', f); | |
501 | s--; | |
502 | fputc('2', f); | |
503 | s--; | |
504 | fputc('3', f); | |
505 | s--; | |
506 | fputc('-', f); | |
507 | s--; | |
508 | fputc('4', f); | |
509 | s--; | |
510 | fputc('5', f); | |
511 | s--; | |
512 | fputc('6', f); | |
513 | s--; | |
514 | fputc('-', f); | |
515 | s--; | |
516 | fputc('S', f); | |
517 | s--; | |
518 | fputc('T', f); | |
519 | s--; | |
520 | fputc('D', f); | |
521 | s--; | |
522 | for (i = 0; i < 7; i++) { | |
523 | fputc(0, f); | |
524 | s--; | |
525 | } | |
526 | fputc(1, f); | |
527 | s--; | |
528 | fputc(0, f); | |
529 | s--; | |
530 | fputc(1, f); | |
531 | s--; | |
532 | fputc('M', f); | |
533 | s--; | |
534 | fputc('Q', f); | |
535 | s--; | |
536 | for (i = 0; i < 14; i++) { | |
537 | fputc(0xa0, f); | |
538 | s--; | |
539 | } | |
540 | fputc(0, f); | |
541 | s--; | |
542 | fputc(0xff, f); | |
543 | while (s-- > (MCD_SIZE + 1)) | |
544 | fputc(0, f); | |
545 | } else if ((buf.st_size == MCD_SIZE + 64) || strstr(mcd, ".mem") || strstr(mcd, ".vgs")) { | |
546 | s = s + 64; | |
547 | fputc('V', f); | |
548 | s--; | |
549 | fputc('g', f); | |
550 | s--; | |
551 | fputc('s', f); | |
552 | s--; | |
553 | fputc('M', f); | |
554 | s--; | |
555 | for (i = 0; i < 3; i++) { | |
556 | fputc(1, f); | |
557 | s--; | |
558 | fputc(0, f); | |
559 | s--; | |
560 | fputc(0, f); | |
561 | s--; | |
562 | fputc(0, f); | |
563 | s--; | |
564 | } | |
565 | fputc(0, f); | |
566 | s--; | |
567 | fputc(2, f); | |
568 | while (s-- > (MCD_SIZE + 1)) | |
569 | fputc(0, f); | |
570 | } | |
571 | } | |
572 | fputc('M', f); | |
573 | s--; | |
574 | fputc('C', f); | |
575 | s--; | |
576 | while (s-- > (MCD_SIZE - 127)) | |
577 | fputc(0, f); | |
578 | fputc(0xe, f); | |
579 | s--; | |
580 | ||
581 | for (i = 0; i < 15; i++) { // 15 blocks | |
582 | fputc(0xa0, f); | |
583 | s--; | |
584 | fputc(0x00, f); | |
585 | s--; | |
586 | fputc(0x00, f); | |
587 | s--; | |
588 | fputc(0x00, f); | |
589 | s--; | |
590 | fputc(0x00, f); | |
591 | s--; | |
592 | fputc(0x00, f); | |
593 | s--; | |
594 | fputc(0x00, f); | |
595 | s--; | |
596 | fputc(0x00, f); | |
597 | s--; | |
598 | fputc(0xff, f); | |
599 | s--; | |
600 | fputc(0xff, f); | |
601 | s--; | |
602 | for (j = 0; j < 117; j++) { | |
603 | fputc(0x00, f); | |
604 | s--; | |
605 | } | |
606 | fputc(0xa0, f); | |
607 | s--; | |
608 | } | |
609 | ||
610 | for (i = 0; i < 20; i++) { | |
611 | fputc(0xff, f); | |
612 | s--; | |
613 | fputc(0xff, f); | |
614 | s--; | |
615 | fputc(0xff, f); | |
616 | s--; | |
617 | fputc(0xff, f); | |
618 | s--; | |
619 | fputc(0x00, f); | |
620 | s--; | |
621 | fputc(0x00, f); | |
622 | s--; | |
623 | fputc(0x00, f); | |
624 | s--; | |
625 | fputc(0x00, f); | |
626 | s--; | |
627 | fputc(0xff, f); | |
628 | s--; | |
629 | fputc(0xff, f); | |
630 | s--; | |
631 | for (j = 0; j < 118; j++) { | |
632 | fputc(0x00, f); | |
633 | s--; | |
634 | } | |
635 | } | |
636 | ||
637 | while ((s--) >= 0) | |
638 | fputc(0, f); | |
639 | ||
640 | fclose(f); | |
641 | } | |
642 | ||
643 | void ConvertMcd(char *mcd, char *data) { | |
644 | FILE *f; | |
645 | int i = 0; | |
646 | int s = MCD_SIZE; | |
647 | ||
648 | if (strstr(mcd, ".gme")) { | |
649 | f = fopen(mcd, "wb"); | |
650 | if (f != NULL) { | |
651 | fwrite(data - 3904, 1, MCD_SIZE + 3904, f); | |
652 | fclose(f); | |
653 | } | |
654 | f = fopen(mcd, "r+"); | |
655 | s = s + 3904; | |
656 | fputc('1', f); s--; | |
657 | fputc('2', f); s--; | |
658 | fputc('3', f); s--; | |
659 | fputc('-', f); s--; | |
660 | fputc('4', f); s--; | |
661 | fputc('5', f); s--; | |
662 | fputc('6', f); s--; | |
663 | fputc('-', f); s--; | |
664 | fputc('S', f); s--; | |
665 | fputc('T', f); s--; | |
666 | fputc('D', f); s--; | |
667 | for (i = 0; i < 7; i++) { | |
668 | fputc(0, f); s--; | |
669 | } | |
670 | fputc(1, f); s--; | |
671 | fputc(0, f); s--; | |
672 | fputc(1, f); s--; | |
673 | fputc('M', f); s--; | |
674 | fputc('Q', f); s--; | |
675 | for(i=0;i<14;i++) { | |
676 | fputc(0xa0, f); s--; | |
677 | } | |
678 | fputc(0, f); s--; | |
679 | fputc(0xff, f); | |
680 | while (s-- > (MCD_SIZE+1)) fputc(0, f); | |
681 | fclose(f); | |
682 | } else if(strstr(mcd, ".mem") || strstr(mcd,".vgs")) { | |
683 | f = fopen(mcd, "wb"); | |
684 | if (f != NULL) { | |
685 | fwrite(data-64, 1, MCD_SIZE+64, f); | |
686 | fclose(f); | |
687 | } | |
688 | f = fopen(mcd, "r+"); | |
689 | s = s + 64; | |
690 | fputc('V', f); s--; | |
691 | fputc('g', f); s--; | |
692 | fputc('s', f); s--; | |
693 | fputc('M', f); s--; | |
694 | for(i=0;i<3;i++) { | |
695 | fputc(1, f); s--; | |
696 | fputc(0, f); s--; | |
697 | fputc(0, f); s--; | |
698 | fputc(0, f); s--; | |
699 | } | |
700 | fputc(0, f); s--; | |
701 | fputc(2, f); | |
702 | while (s-- > (MCD_SIZE+1)) fputc(0, f); | |
703 | fclose(f); | |
704 | } else { | |
705 | f = fopen(mcd, "wb"); | |
706 | if (f != NULL) { | |
707 | fwrite(data, 1, MCD_SIZE, f); | |
708 | fclose(f); | |
709 | } | |
710 | } | |
711 | } | |
712 | ||
713 | void GetMcdBlockInfo(int mcd, int block, McdBlock *Info) { | |
ab948f7e | 714 | char *data = NULL, *ptr, *str, *sstr; |
ef79bbde P |
715 | unsigned short clut[16]; |
716 | unsigned short c; | |
717 | int i, x; | |
718 | ||
719 | memset(Info, 0, sizeof(McdBlock)); | |
720 | ||
f3a77032 | 721 | if (mcd != 1 && mcd != 2) |
722 | return; | |
723 | ||
724 | if (McdDisable[mcd - 1]) | |
725 | return; | |
726 | ||
ef79bbde P |
727 | if (mcd == 1) data = Mcd1Data; |
728 | if (mcd == 2) data = Mcd2Data; | |
729 | ||
730 | ptr = data + block * 8192 + 2; | |
731 | ||
732 | Info->IconCount = *ptr & 0x3; | |
733 | ||
734 | ptr += 2; | |
735 | ||
736 | x = 0; | |
737 | ||
738 | str = Info->Title; | |
739 | sstr = Info->sTitle; | |
740 | ||
741 | for (i = 0; i < 48; i++) { | |
742 | c = *(ptr) << 8; | |
743 | c |= *(ptr + 1); | |
744 | if (!c) break; | |
745 | ||
746 | // Convert ASCII characters to half-width | |
747 | if (c >= 0x8281 && c <= 0x829A) | |
748 | c = (c - 0x8281) + 'a'; | |
749 | else if (c >= 0x824F && c <= 0x827A) | |
750 | c = (c - 0x824F) + '0'; | |
751 | else if (c == 0x8140) c = ' '; | |
752 | else if (c == 0x8143) c = ','; | |
753 | else if (c == 0x8144) c = '.'; | |
754 | else if (c == 0x8146) c = ':'; | |
755 | else if (c == 0x8147) c = ';'; | |
756 | else if (c == 0x8148) c = '?'; | |
757 | else if (c == 0x8149) c = '!'; | |
758 | else if (c == 0x815E) c = '/'; | |
759 | else if (c == 0x8168) c = '"'; | |
760 | else if (c == 0x8169) c = '('; | |
761 | else if (c == 0x816A) c = ')'; | |
762 | else if (c == 0x816D) c = '['; | |
763 | else if (c == 0x816E) c = ']'; | |
764 | else if (c == 0x817C) c = '-'; | |
765 | else { | |
766 | str[i] = ' '; | |
767 | sstr[x++] = *ptr++; sstr[x++] = *ptr++; | |
768 | continue; | |
769 | } | |
770 | ||
771 | str[i] = sstr[x++] = c; | |
772 | ptr += 2; | |
773 | } | |
774 | ||
775 | trim(str); | |
776 | trim(sstr); | |
777 | ||
778 | ptr = data + block * 8192 + 0x60; // icon palette data | |
779 | ||
780 | for (i = 0; i < 16; i++) { | |
781 | clut[i] = *((unsigned short *)ptr); | |
782 | ptr += 2; | |
783 | } | |
784 | ||
785 | for (i = 0; i < Info->IconCount; i++) { | |
786 | short *icon = &Info->Icon[i * 16 * 16]; | |
787 | ||
788 | ptr = data + block * 8192 + 128 + 128 * i; // icon data | |
789 | ||
790 | for (x = 0; x < 16 * 16; x++) { | |
791 | icon[x++] = clut[*ptr & 0xf]; | |
792 | icon[x] = clut[*ptr >> 4]; | |
793 | ptr++; | |
794 | } | |
795 | } | |
796 | ||
797 | ptr = data + block * 128; | |
798 | ||
799 | Info->Flags = *ptr; | |
800 | ||
801 | ptr += 0xa; | |
802 | strncpy(Info->ID, ptr, 12); | |
803 | ptr += 12; | |
804 | strncpy(Info->Name, ptr, 16); | |
805 | } | |
806 | ||
807 | int sioFreeze(gzFile f, int Mode) { | |
808 | gzfreeze(buf, sizeof(buf)); | |
809 | gzfreeze(&StatReg, sizeof(StatReg)); | |
810 | gzfreeze(&ModeReg, sizeof(ModeReg)); | |
811 | gzfreeze(&CtrlReg, sizeof(CtrlReg)); | |
812 | gzfreeze(&BaudReg, sizeof(BaudReg)); | |
813 | gzfreeze(&bufcount, sizeof(bufcount)); | |
814 | gzfreeze(&parp, sizeof(parp)); | |
815 | gzfreeze(&mcdst, sizeof(mcdst)); | |
816 | gzfreeze(&rdwr, sizeof(rdwr)); | |
817 | gzfreeze(&adrH, sizeof(adrH)); | |
818 | gzfreeze(&adrL, sizeof(adrL)); | |
819 | gzfreeze(&padst, sizeof(padst)); | |
820 | ||
821 | return 0; | |
822 | } |