lib/i386/misc/io_inb.s

   1 !       inb() - Input one byte                          Author: Kees J. Bot
   2 !                                                               18 Mar 1996
   3 !       unsigned inb(U16_t port);
   4
   5 .sect .text
   6 .define _inb
   7 _inb:
   8         push    ebp
   9         mov     ebp, esp
  10         mov     edx, 8(ebp)             ! port
  11         xor     eax, eax
  12         inb     dx                      ! read 1 byte
  13         pop     ebp
  14         ret