mortgage, Assembly

mortgage

;nasm 2.13.02

;Project 1 - CMSC 313

section .data
    msg1: db "Enter a principal amount: "
    len1: equ $-msg1
    a: dq  '6'
    b: dq  '500'
    msg2: db "Your mortgage payment is: "
    len2: equ $-msg2

section .bss
    buf: resb 256
    c: resb 256

section .text
	global _start

_start:
    mov rax, 1
    mov rdi, 1
    mov rsi, msg1
    mov rdx, len1
    syscall
    
    mov rax, 0
    mov rdi, 0
    mov rsi, buf
    mov rdx, 256
    syscall
    
    mov rax, 1
    mov rdi, 1
    mov rsi, buf
    mov rdx, 241
    syscall
    
    mov rax, 1
    mov rdi, 1
    mov rsi, msg2
    mov rdx, len2
    syscall
    
    mov	rax, [buf]
    sub rax, '0'
    mov rcx, [a]
    sub rcx, '0'
    mul rcx
    add	rax, '0'
    mov	[buf], rax
    mov rax, rbx 
    syscall
    
    mov	rax, [buf]
    sub rax, '0'
    mov rbx, [b]
    sub rbx, '0'
    xor rdx, rdx
    div rbx
    add	rax, '0'
    mov	[buf], rax
    syscall
        
    mov rax, 1
    mov rdi, 1
    mov rsi, buf
    mov rdx, 25
    syscall
    
    mov rax, 60
    xor rdi, rdi
    syscall


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