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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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2
Task/Empty-string/Z80-Assembly/empty-string-1.z80 Normal file
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EmptyString:
byte 0

17
Task/Empty-string/Z80-Assembly/empty-string-2.z80 Normal file
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ld hl,MyString
GetStringLength:
ld b,0 ;zero the length counter
loop_getStringLength:
ld a,(hl)
or a ;compare A to zero
ret z ;exit if zero
inc hl ;next char
inc b ;add 1 to length counter
jr loop_getStringLength
ld a,b ;load B into A
or a ;compare A to zero (effectively comparing B to zero)
jr z,StringIsEmpty
;your code for what happens when MyString is not empty goes here.