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strupr.asm
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Assembly Source File
|
1991-10-12
|
1KB
|
68 lines
StdGrp group StdLib, StdData
;
StdData segment para public 'sldata'
extrn $uprtbl:byte
StdData ends
;
stdlib segment para public 'slcode'
assume cs:StdGrp
;
extrn sl_strdup:far
;
; strupr- Converts to upper case all lower case characters in the string
; pointed at by es:di.
;
; struprm- Same as above except it creates a new string then converts the
; characters in the new string. The original string is unchanged.
;
; inputs:
; es:di- Buffer for destination string.
;
; outputs:
; es:di- Points at converted string (points at new string
; for strupr2).
;
public sl_strupr
;
sl_strupr proc far
push es
push ds
push ax
push bx
pushf
push si
push di
;
mov si, es
mov ds, si
mov si, di
lea bx, StdGrp:$uprtbl
ToUprLp: lodsb
xlat StdGrp:$uprtbl
stosb
cmp al, 0
jne ToUprLp
;
pop di
pop si
popf
pop bx
pop ax
pop ds
pop es
ret
sl_strupr endp
;
;
public sl_struprm
;
sl_struprm proc far
call sl_strdup
jc RetFar
jmp near ptr sl_strupr
RetFar: ret
sl_struprm endp
;
stdlib ends
end