compile: `as --32 fizzbuzz.s -o fizzbuzz.o; ld -melf_i386 -o fizzbuzz fizzbuzz.o`

fizzbuzz.s

.text
    .global _start

_start:
#initialize
#can ignore maybe
    xor %bh, %bh
    sub $0xffff, %esp
    movl %esp, %ebp

loop:
    movb $0xa, (%esp)
    inc %esp
    inc %bh
    cmpb $101, %bh
    je fin

    movw $0xFFFF, %dx
fizz_:
    movzbw %bh, %ax
    movb $3, %bl
    divb %bl
    movb %ah, %dl
buzz_:
    movzbw %bh, %ax
    movb $5, %bl
    divb %bl
    movb %ah, %dh
test:
    test %dx, %dx
    je fizzbuzz
    test %dl, %dl
    je fizz
    test %dh, %dh
    je buzz
    jmp num

fizzbuzz:
    movl $0x7a7a6946, (%esp)
    movl $0x7a7a7542, 4(%esp)
    add $8, %esp
    jmp loop

fizz:
    movl $0x7a7a6946, (%esp)
    add $4, %esp
    jmp loop

buzz:
    movl $0x7a7a7542, (%esp)
    add $4, %esp
    jmp loop

num: #write number to buffer
    cmp $10, %bh
    jl sing_dig

dub_dig:
    movzbw %bh, %ax
    movb $10, %bl
    divb %bl
    movb %ah, %dl #reminder
    movb %al, %dh #quotient
    add $0x3030, %ax
    movw %ax, (%esp)
    inc %esp
    inc %esp
    jmp loop

sing_dig:
    movb %bh, %ch
    add $0x30, %ch
    movb %ch, (%esp)
    inc %esp 
    jmp loop

fin:
    movl $4, %eax
    movl $1, %ebx
    inc %ebp
    movl %ebp, %ecx
    movl %esp, %edx
    subl %ebp, %edx
    int $0x80

    movl $1, %eax
    movl $0, %ebx
    int $0x80