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blondie7575/gist:8502351ef791b674d5028c9fe1dbde47

Created March 9, 2024 22:39
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gistfile1.txt
scanLineInterruptHandler:
.i8 ; Interrupt firmware calls us in 8-bit native mode so make sure assembler knows that
.a8
lda $e0c032 ; Clear scanline interrupt source
and #%11011111
sta $e0c032
clc
rtl
installVector:
pea $000a
lda #2
pha
lda #scanLineInterruptHandler
pha
ldx #$1003 ; _SetVector
jsl $E10000
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