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https://github.com/nippur72/apple1-videocard-lib.git
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45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
// TODO make it static once KickC bug is fixed
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byte last_seconds = 0;
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void demo_interrupt() {
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// resets the watch to 00:00:00.0
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_ticks = 0;
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_seconds = 0;
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_minutes = 0;
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_hours = 0;
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// installs the interrupt handler routine
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install_interrupt();
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// enables interrupts on the TMS9918
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tms_interrupt(1);
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woz_puts("INTERRUPT INSTALLED\r");
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woz_puts("0 TURNS OFF\r");
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woz_puts("1 TURNS ON\r");
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woz_puts("E EXIT TO MAIN MENU\r");
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for(;;) {
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if(keypressed()) {
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byte k = woz_getkey();
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if(k=='1') tms_interrupt(1);
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else if(k=='0') tms_interrupt(0);
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else if(k=='E') break;
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}
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if(last_seconds != _seconds) {
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woz_put_hex(_hours); woz_putc(':');
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woz_put_hex(_minutes); woz_putc(':');
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woz_put_hex(_seconds); woz_putc('.');
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woz_put_hex(_ticks); woz_putc('\r');
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last_seconds = _seconds;
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}
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}
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// disables interrupts on the TMS9918
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tms_interrupt(0);
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woz_puts("INTERRUPT STOPPED\r");
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}
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