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Atari coding BBS
| Re: DSP DIV question |
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Posted by: sqward
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Jun,22.2013-17:50
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this probably isn't optimal, but it worked for integer division
;a0 input, y0 input, a0 output
div_a abs a a2,y:<div_temp
andi #$fe,ccr
rep #24
div y0,a
move #0,a1
jclr #23,y0,no_neg
neg a
no_neg jclr #7,y:<div_temp,no_neg2
neg a
no_neg2
rts
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