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aurorapar/gist:5eebbb8020cb97e5f37c65288f3a28e9

Created November 9, 2016 23:10
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gistfile1.txt
; 2^i * Y
MOV R5, R4
TSTR4: TST R4
BEQ TSTSUB
ASL R2 ; ASL for DP is SHIFT HIGH, then ADC
ASL R3 ; Y is DP
ADC R2
DEC R4
BR TSTR4
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