Answer to Question #285950 in Assembler for nnnnn

Question

Write an emu 8086 assembly language program to push the following values on stack 450, 0, 487, 101, 500, 0, 359, 0, 458. Now write a code to delete the items having quantity zero and update the stack.

Answer 1

.stack 16h
DATA SEGMENT
DATA ENDS

CODE SEGMENT
start:
mov ax,DATA
mov DS,ax
mov ES,ax

push bp

push 450
push 0
push 487
push 101
push 500
push 0
push 359
push 0
push 458

mov cx,9

mov bp, sp

add sp,2
add bp,2

popStack:
pop ax
dec cx
cmp cx,0
je exit
cmp ax,0
je L1

mov [bp],ax
add bp,2
jmp popStack
L1:
jmp popStack

exit:
pop bp
mov ah,0            ; Waiting for a key press
int 16h

; Program is terminated
mov ah,4Ch
int 21h

CODE ENDS
END START