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comparison blastem.c @ 280:9ee64039ddeb

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Fix bank register update
author Mike Pavone <pavone@retrodev.com>
date Fri, 03 May 2013 21:09:48 -0700
parents 6be6056735a9
children a8ee7934a1f8
comparison
equal deleted inserted replaced
279:6be6056735a9 280:9ee64039ddeb
131 uint8_t need_reset = 0; 131 uint8_t need_reset = 0;
132 uint8_t busreq = 0; 132 uint8_t busreq = 0;
133 uint8_t busack = 0; 133 uint8_t busack = 0;
134 uint32_t busack_cycle = CYCLE_NEVER; 134 uint32_t busack_cycle = CYCLE_NEVER;
135 uint8_t new_busack = 0; 135 uint8_t new_busack = 0;
136 #define DO_DEBUG_PRINT 136 //#define DO_DEBUG_PRINT
137 #ifdef DO_DEBUG_PRINT 137 #ifdef DO_DEBUG_PRINT
138 #define dprintf printf 138 #define dprintf printf
139 #define dputs puts 139 #define dputs puts
140 #else 140 #else
141 #define dprintf 141 #define dprintf
401 new_busack = 0; 401 new_busack = 0;
402 } 402 }
403 } else { 403 } else {
404 if (busreq) { 404 if (busreq) {
405 dputs("releasing z80 bus"); 405 dputs("releasing z80 bus");
406 #ifdef DO_DEBUG_PRINT
406 char fname[20]; 407 char fname[20];
407 sprintf(fname, "zram-%d", zram_counter++); 408 sprintf(fname, "zram-%d", zram_counter++);
408 FILE * f = fopen(fname, "wb"); 409 FILE * f = fopen(fname, "wb");
409 fwrite(z80_ram, 1, sizeof(z80_ram), f); 410 fwrite(z80_ram, 1, sizeof(z80_ram), f);
410 fclose(f); 411 fclose(f);
412 #endif
411 z80_context * z_context = context->next_cpu; 413 z80_context * z_context = context->next_cpu;
412 //TODO: Add necessary delay between release of busreq and resumption of execution 414 //TODO: Add necessary delay between release of busreq and resumption of execution
413 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80; 415 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80;
414 } 416 }
415 busreq = 0; 417 busreq = 0;
490 new_busack = 0; 492 new_busack = 0;
491 } 493 }
492 } else { 494 } else {
493 if (busreq) { 495 if (busreq) {
494 dprintf("releasing Z80 bus @ %d\n", (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80); 496 dprintf("releasing Z80 bus @ %d\n", (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80);
497 #ifdef DO_DEBUG_PRINT
495 char fname[20]; 498 char fname[20];
496 sprintf(fname, "zram-%d", zram_counter++); 499 sprintf(fname, "zram-%d", zram_counter++);
497 FILE * f = fopen(fname, "wb"); 500 FILE * f = fopen(fname, "wb");
498 fwrite(z80_ram, 1, sizeof(z80_ram), f); 501 fwrite(z80_ram, 1, sizeof(z80_ram), f);
499 fclose(f); 502 fclose(f);
503 #endif
500 z80_context * z_context = context->next_cpu; 504 z80_context * z_context = context->next_cpu;
501 //TODO: Add necessary delay between release of busreq and resumption of execution 505 //TODO: Add necessary delay between release of busreq and resumption of execution
502 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80; 506 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80;
503 } 507 }
504 busreq = 0; 508 busreq = 0;