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Power Programmierung
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Power-Programmierung (Tewi)(1994).iso
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1991
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06
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alib
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isupper.asm
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Assembly Source File
|
1991-08-22
|
261b
|
22 lines
include asm.inc
public isupper
.code
;; isupper
;
; entry AL character
; exit Zf if A..Z
;
isupper proc
cmp al,'Z'
ja iup1 ; if not A..Z
cmp al,'A'
jb iup1 ; if not A..Z
cmp al,al ; else set Zf
iup1: ret
isupper endp
end