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rmvitem.asm
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Assembly Source File
|
1991-10-12
|
701b
|
47 lines
StdGrp group stdlib,stddata
stddata segment para public 'sldata'
stddata ends
;
stdlib segment para public 'slcode'
assume cs:stdgrp
;
;
; RmvItem- Locates and removes the first (next) character in the set.
;
; inputs:
;
; ES:DI- Points at the set to search through.
;
; outputs:
;
; AL- Next available character in set (zero if set is empty).
;
;
public sl_RmvItem
;
sl_RmvItem proc far
push cx
push di
;
mov al, es:[di]
mov cx, 256
add di, 7
NextLp: inc di
test al, es:[di]
loopz NextLp
jz NoMask
not al
and es:[di], al
inc cx
;
NoMask: neg cx
mov al, cl
pop di
pop cx
ret
sl_RmvItem endp
;
;
stdlib ends
end