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mbamac/counter-fragment-1.s Secret

Created August 19, 2016 08:09
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counter-fragment-1.s
lda #$ff
sta via1_t1c_l ; set timer to interrupt
sta via1_t1c_h ; ... every 65535 ticks
lda #%11000000
sta via1_ier ; enable timer 1 interrupt on via1
lda #%01000000
sta via1_acr ; set timer to continous mode, no PB7
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