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Protect debug prints for busreq/reset regs with appropriate macros
author Mike Pavone <pavone@retrodev.com>
date Thu, 02 May 2013 22:21:41 -0700
parents 6c2d7e003a55
children eec7072189a1
comparison
equal deleted inserted replaced
270:df5bf4c113dc 271:969ee17471c5
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;
136 136
137 #ifdef DO_DEBUG_PRINT 137 #ifdef DO_DEBUG_PRINT
138 #define dprintf printf 138 #define dprintf printf
139 #define dputs puts
139 #else 140 #else
140 #define dprintf 141 #define dprintf
142 #define dputs
141 #endif 143 #endif
142 144
143 void sync_z80(z80_context * z_context, uint32_t mclks) 145 void sync_z80(z80_context * z_context, uint32_t mclks)
144 { 146 {
145 if (z80_enabled && !reset && !busreq) { 147 if (z80_enabled && !reset && !busreq) {
388 if (busack_cycle > context->current_cycle) { 390 if (busack_cycle > context->current_cycle) {
389 busack = new_busack; 391 busack = new_busack;
390 busack_cycle = CYCLE_NEVER; 392 busack_cycle = CYCLE_NEVER;
391 } 393 }
392 if (value & 1) { 394 if (value & 1) {
393 puts("bus requesting Z80"); 395 dputs("bus requesting Z80");
394 busreq = 1; 396 busreq = 1;
395 if(!reset) { 397 if(!reset) {
396 busack_cycle = context->current_cycle + Z80_ACK_DELAY; 398 busack_cycle = context->current_cycle + Z80_ACK_DELAY;
397 new_busack = 0; 399 new_busack = 0;
398 } 400 }
399 } else { 401 } else {
400 if (busreq) { 402 if (busreq) {
401 puts("releasing z80 bus"); 403 dputs("releasing z80 bus");
402 z80_context * z_context = context->next_cpu; 404 z80_context * z_context = context->next_cpu;
403 //TODO: Add necessary delay between release of busreq and resumption of execution 405 //TODO: Add necessary delay between release of busreq and resumption of execution
404 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80; 406 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80;
405 } 407 }
406 busreq = 0; 408 busreq = 0;
472 if (busack_cycle > context->current_cycle) { 474 if (busack_cycle > context->current_cycle) {
473 busack = new_busack; 475 busack = new_busack;
474 busack_cycle = CYCLE_NEVER; 476 busack_cycle = CYCLE_NEVER;
475 } 477 }
476 if (value & 0x100) { 478 if (value & 0x100) {
477 printf("bus requesting Z80 @ %d\n", (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80); 479 dprintf("bus requesting Z80 @ %d\n", (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80);
478 busreq = 1; 480 busreq = 1;
479 if(!reset) { 481 if(!reset) {
480 busack_cycle = context->current_cycle + Z80_ACK_DELAY; 482 busack_cycle = context->current_cycle + Z80_ACK_DELAY;
481 new_busack = 0; 483 new_busack = 0;
482 } 484 }
483 } else { 485 } else {
484 if (busreq) { 486 if (busreq) {
485 printf("releasing Z80 bus @ %d\n", (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80); 487 dprintf("releasing Z80 bus @ %d\n", (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80);
486 z80_context * z_context = context->next_cpu; 488 z80_context * z_context = context->next_cpu;
487 //TODO: Add necessary delay between release of busreq and resumption of execution 489 //TODO: Add necessary delay between release of busreq and resumption of execution
488 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80; 490 z_context->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80;
489 } 491 }
490 busreq = 0; 492 busreq = 0;