static TIMER_CALLBACK( mcr68_493_callback ) { v493_irq_state = 1; update_mcr68_interrupts(); timer_set(video_screen_get_scan_period(machine->primary_screen), NULL, 0, mcr68_493_off_callback); logerror("--- (INT1) ---\n"); }
static void mcr68_493_callback(int param) { v493_irq_state = 1; update_mcr68_interrupts(); timer_set(cpu_getscanlineperiod(), 0, mcr68_493_off_callback); logerror("--- (INT1) ---\n"); }
static TIMER_CALLBACK( mcr68_493_off_callback ) { v493_irq_state = 0; update_mcr68_interrupts(); }
static void mcr68_493_off_callback(int param) { v493_irq_state = 0; update_mcr68_interrupts(); }