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Tech Arsenal 1
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strlibs.zip
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STRMOV.ASM
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Assembly Source File
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1993-01-04
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1KB
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55 lines
; Static Name Aliases
;
TITLE strmov
; NAME strmov.C
;
; strmov(dst, src) moves all the characters of src (including the
; closing NUL) to dst, and returns a pointer to the new closing NUL in
; dst.
;
; strmov(strmov(dst,a),b) moves a+b into dst.
.287
_TEXT SEGMENT BYTE PUBLIC 'CODE'
_TEXT ENDS
_DATA SEGMENT WORD PUBLIC 'DATA'
_DATA ENDS
CONST SEGMENT WORD PUBLIC 'CONST'
CONST ENDS
_BSS SEGMENT WORD PUBLIC 'BSS'
_BSS ENDS
DGROUP GROUP CONST, _BSS, _DATA
ASSUME CS: _TEXT, DS: DGROUP, SS: DGROUP, ES: DGROUP
EXTRN __chkstk:NEAR
_TEXT SEGMENT
; Line 15
PUBLIC _strmov
_strmov PROC NEAR
push bp
mov bp,sp
push di
push si
; dst = 4
; register di = dst
; src = 6
; register si = src
mov di,[bp+4] ;dst
mov si,[bp+6] ;src
$loop:
movsb
cmp byte ptr [di- 1],0
jne $loop
lea ax,[di-1]
pop si
pop di
mov sp,bp
pop bp
ret
_strmov ENDP
_TEXT ENDS
END