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; begin playing around with variables!
section .bss
fart_count: resb 4
section .data
fart_max: db 255
section .text
global _start
dofarts:
push ebp
mov ebp, esp
add ebp, 4
; set the fart_count to zero
mov DWORD [fart_count], 0
; save eax to the stack because we're gonna use it
push eax
jmp dofarts.keepgoing
dofarts.stop:
;clean up and return
pop eax
pop ebp
ret
dofarts.keepgoing:
; put fart_count into a register (i wish i could do mem,mem)
mov eax, [fart_count]
; increment the fart_count
add dword[fart_count], 1
; has fart_count reached fart_max?
jge dofarts.check
; else, stop... this is redundant...
jmp dofarts.stop
dofarts.check:
; is fart_count (eax) fart_max?
cmp eax, [fart_max]
; if so, stop
jge dofarts.stop
; else keep going
jmp dofarts.keepgoing
_start:
push ebp
mov ebp, esp
call dofarts
mov ebx, [fart_count]
add ebx, [fart_max]
mov esp, ebp
pop ebp
mov eax, 1
;mov ebx, 0
int 80h
ret
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