How do you add 2 numbers with register machine assembly language?

Answer 1

.model small

.stack

.data

.code

main proc

mov al,10

mov bl,15

add al, bl

start:

mov cx,8

mov bl,'1'

test bl,10000000b

mov ah,09h

int 21h

next:

shl bl,1

mov dl,1

mov ah,09h

int 21h

mov ah,4ch

int 21h

main endp

end start

end

Answer 2

mov eax, 3 ; eax now contains the value 3
mov ebx, 4 ; ebx now contains the value 4
add eax, ebx ; eax now contains the value 3+4=7

Answer 3

Platform-dependent. Example for /360:

L R1,value1

L R2,value2

AR R1,R2

ST R1,result

...

value1 DC F'1'

value2 DC F'2'

result DS F