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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Leap-year/X86-Assembly/leap-year.x86 Normal file
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align 16
; Input year as signed dword in EAX
IsLeapYear:
test eax,11b
jz .4
retn ; 75% : ZF=0, not a leap year
.4:
mov ecx,100
cdq
idiv ecx
test edx,edx
jz .100
cmp edx,edx
retn ; 24% : ZF=1, leap year
.100:
test eax,11b
retn ; 1% : ZF=?, leap year if EAX%400=0