im coding in 8086 assembly.
i want to separate a string.
For example:
Str DB '24+67'
i want to separate the '24', the '+' and the '67'
and place them in the variable
num1, operator, num2 respectively.
can anyone help me with a piece of code please.
thanks
Hi
use this :
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Source Name : StrSpr.ASM ;;
;; Executable Name : StrSpr.COM ;;
;; Code Model : Real mode flat model ;;
;; Created Date : 29/09/2006 ;;
;; Author : VIDOCQ ;;
;; Description : A simple example of a DOS .COM ;;
;; file programmed using NASM 0.98 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
[BITS 16]
[ORG 0x100]
[SECTION .text]
%macro Write 2 ;ShowIt,ShowLength
mov BX,1 ; Selects DOS file handle 1: Standard Output
mov CX,%2 ; ShowLength: Length of string passed in CX
mov DX,%1 ; Showit: Offset address of string passed in DX
mov AH,40H ; Select DOS service 40: Print String
int 21H ; Call DOS
%endmacro
start :
mov AX,[mystr]
mov WORD [num1],AX
mov AH,[mystr+2]
mov BYTE [operator],AH
mov AX,[mystr+3]
mov WORD [num2],AX
Write num1,2
Write CRLF,2
Write operator,1
Write CRLF,2
Write num2,2
ret
[SECTION .data]
mystr DB "24+67"
num1 DW 0
num2 DW 0
operator DB 0
CRLF DW 0D0AH
;;----- End of file-----;;GoodLuck .
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