45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
// TODO make it static once KickC bug is fixed
|
|
byte last_seconds = 0;
|
|
|
|
void demo_interrupt() {
|
|
|
|
// resets the watch to 00:00:00.0
|
|
_ticks = 0;
|
|
_seconds = 0;
|
|
_minutes = 0;
|
|
_hours = 0;
|
|
|
|
// installs the interrupt handler routine
|
|
install_interrupt();
|
|
|
|
// enables interrupts on the TMS9918
|
|
tms_set_interrupt_bit(INTERRUPT_ENABLED);
|
|
|
|
woz_puts("INTERRUPT INSTALLED\r");
|
|
woz_puts("0 TURNS OFF\r");
|
|
woz_puts("1 TURNS ON\r");
|
|
woz_puts("E EXIT TO MAIN MENU\r");
|
|
|
|
for(;;) {
|
|
if(apple1_iskeypressed()) {
|
|
byte k = apple1_getkey();
|
|
if(k=='1') { tms_set_interrupt_bit(INTERRUPT_ENABLED); woz_puts("INT ENABLED\r"); }
|
|
else if(k=='0') { tms_set_interrupt_bit(INTERRUPT_DISABLED); woz_puts("INT DISABLED\r"); }
|
|
else if(k=='E') break;
|
|
}
|
|
|
|
if(last_seconds != _seconds) {
|
|
woz_print_hex(_hours); woz_putc(':');
|
|
woz_print_hex(_minutes); woz_putc(':');
|
|
woz_print_hex(_seconds); woz_putc('.');
|
|
woz_print_hex(_ticks); woz_putc('\r');
|
|
last_seconds = _seconds;
|
|
}
|
|
}
|
|
|
|
// disables interrupts on the TMS9918
|
|
tms_set_interrupt_bit(INTERRUPT_DISABLED);
|
|
|
|
woz_puts("INTERRUPT STOPPED\r");
|
|
}
|