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; uses eax, ebx
print_str:
mov ah, 0x0E
.print:
mov al, [ebx]
cmp al, 0
je .return
int 0x10
inc ebx
jmp .print
.return:
ret
; modify eax, ebx, ecx, edx
print_hex:
mov ebx, 0x10
jmp print_num
print_dec:
mov ebx, 10
print_num:
xor ecx, ecx
.convert:
inc ecx
xor edx, edx
div ebx
cmp dl, 10
jb .digit
add dl, 'A'-10
jmp .next
.digit:
add dl, '0'
.next:
push dx
cmp eax, 0
jne .convert
.print:
cmp ecx, 0
je .return
dec ecx
pop ax
mov ah, 0x0E
int 0x10
jmp .print
.return:
ret
newline:
mov al, 10
call print_chr
mov al, 13
call print_chr
ret
print_chr:
mov ah, 0x0E
int 0x10
ret
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