assembly to compare two numbers

Question

What is the assembler syntax to determine which of two numbers is greater?

What is the lower level (machine code) for it? Can we go even lower? Once we get to the bi

Answer 1

Compare two numbers. If it equals Yes "Y", it prints No "N" on the screen if it is not equal. I am using emu8086. You can use the SUB or CMP command.

MOV AX,5h
MOV BX,5h
SUB AX,BX 
JZ EQUALS
JNZ NOTEQUALS

EQUALS:
MOV CL,'Y'
JMP PRINT

NOTEQUALS:
MOV CL,'N'

PRINT:
MOV AH,2
MOV DL,CL
INT 21H

RET