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works for 3 * 5 = 15

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Brooke Vibber 2022-12-29 20:32:58 -08:00
parent b307f98760
commit fe9a35353b
1 changed files with 18 additions and 8 deletions
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26
mandel.s
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@ -39,14 +39,6 @@ LOG10 = $ded1
.export start .export start
.proc start
loop:
jmp loop
.endproc
.proc mandelfloat
.endproc
.macro sext16to32 arg .macro sext16to32 arg
.local plus .local plus
.local minus .local minus
@ -208,3 +200,21 @@ loop:
; if dist >= 4 break, else continue iterating ; if dist >= 4 break, else continue iterating
.endproc .endproc
.proc start
; FR0 = 3
; FR1 = 5
lda #3
sta FR0
lda #5
sta FR1
lda #0
sta FR0 + 1
sta FR1 + 1
jsr imul16
; should have 32-bit 15 in FR2
loop:
jmp loop
.endproc