Mercurial > repos > simple16
view timer.s16 @ 49:5f30c4d18d79
Updated the HTML documentation a bit
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 30 Aug 2016 22:04:29 -0700 |
parents | fb14515266f4 |
children | cb078b3b23e8 |
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ldim vectors, r0 setvbr r0 ;current color value ldim 0, r0 ;color increment ldim $11, r3 ldimh $1, r3 ;Palette RAM address ldim 0, r1 ldimh $FF, r1 ;enable interrupt ori 1, sr ;Timer Value ldim $FF, r2 ldimh $FF, r2 outi $A, r2 wait bra wait ;shouldn't get here, disable timer so it's clear something broke ldim 0, r2 outi $A, r2 bra wait vectors: dc.w timer_handler timer_handler outi $E, r1 outi $F, r0 add r3, r0, r0 reti r4