Lab 02 - Assembly Language for x86 Processors by KIP R. IRVINE

Topic: How to use Variables, Integer Constants and Strings in Assembly Language.
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Material Link: www.dropbox.co...
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Sample Code:
;-- Arithematic Expression
;-- (20+30) - (10+15)
.386
.model flat, stdcall
.stack 4096
include Irvine32.inc
;-- Data segment to make variables
.data
message db "Result is: ",0
var1 db 20d
var2 db 30d
var3 db 10d
var4 db 15d
;-- code segment starts here
.code
main proc
mov eax,0
mov ah, var1
add ah, var2 ; (20+30)
mov bl, var3
add bl, var4; (10+15)
sub ah,bl; (20+30) - (10+15)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
MOV eax, 50d
ADD eax, 10
call WriteDec ;Answer in Decimal
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
mov edx, offset message
call WriteString
call DumpRegs ;Answer in Hexa
invoke ExitProcess,0
main endp
end main