TITLE Copying a String                  (CopyStr.asm)

; This program copies a string.
; Last update: 2/1/02

INCLUDE Irvine32.inc

.data
source  BYTE  "This is the source string",0
target  BYTE  SIZEOF source DUP(0),0

.code
main PROC

    mov  esi,0        ; index register
    mov  ecx,SIZEOF source        ; loop counter
L1:
    mov  al,source[esi]        ; get a character from source
    mov  target[esi],al        ; store it in the target
    inc  esi        ; move to next character
    loop L1        ; repeat for entire string

    exit
main ENDP
END main