brooke/mandel-6502
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Brooke Vibber 2024-11-11 12:10:08 -08:00
parent 97948dc814
commit 0631886466
1 changed files with 5 additions and 0 deletions
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mandel.s
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@ -529,6 +529,11 @@ positive_result:
check_sign arg1 ; 5 to 25 cyc
check_sign arg2 ; 5 to 25 cyc
; h1l1 * h2l2
; (h1*256 + l1) * (h2*256 + l2)
; h1*256*(h2*256 + l2) + l1*(h2*256 + l2)
; h1*h2*256*256 + h1*l2*256 + h2*l1*256 + l1*l2
lda #0
sta result + 0
sta result + 1