stage2/include/stdio.asm

   1 puts:
   2         push si
   3   mov si,ax
   4 .loop:
   5         mov al,[si]
   6         test al,al
   7         jz .end
   8   call putc
   9         inc si
  10         jmp .loop
  11 .end:
  12         pop si
  13   xor ax,ax
  14         ret
  15
  16 gets:
  17   push di
  18   mov di,ax
  19 .loop:
  20   call getc
  21   cmp al,13
  22   je .end
  23   call putc
  24   mov [di],al
  25   inc di
  26   jmp .loop
  27 .end:
  28   mov byte [di],0
  29   mov ax,di
  30   pop di
  31   ret
  32
  33 putc:
  34   mov ah,0x0e
  35   int 0x10
  36   xor ax,ax
  37   ret
  38
  39 getc:
  40   xor ax,ax
  41   int 0x16
  42   ret