miscemu/ioports.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <time.h>
   4 #include "registers.h"
   5 #include "wine.h"
   6 #include "stddebug.h"
   7 /* #define DEBUG_INT */
   8 /* #undef  DEBUG_INT */
   9 #include "debug.h"
  10
  11 static BYTE cmosaddress;
  12
  13 static BYTE cmosimage[64] = {
  14         0x27, 0x34, 0x31, 0x47, 0x16, 0x15, 0x00, 0x01,
  15         0x04, 0x94, 0x26, 0x02, 0x50, 0x80, 0x00, 0x00,
  16         0x40, 0xb1, 0x00, 0x9c, 0x01, 0x80, 0x02, 0x00,
  17         0x1c, 0x00, 0x00, 0xad, 0x02, 0x10, 0x00, 0x00,
  18         0x08, 0x00, 0x00, 0x26, 0x00, 0x00, 0x00, 0x00,
  19         0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x03, 0x58,
  20         0x00, 0x1c, 0x19, 0x81, 0x00, 0x0e, 0x00, 0x80,
  21         0x1b, 0x7b, 0x21, 0x00, 0x00, 0x00, 0x05, 0x5f };
  22
  23 void inportb(struct sigcontext_struct *context)
  24 {
  25         dprintf_int(stddeb, "IO: inb (%x)\n", DX);
  26
  27         switch(DX) {
  28                 case 0x70:
  29                         AL = cmosaddress;
  30                         break;
  31                 case 0x71:
  32                         AL = cmosimage[cmosaddress & 0x3f];
  33                         break;
  34                 default:
  35         }
  36 }
  37
  38 void inport(struct sigcontext_struct *context)
  39 {
  40         dprintf_int(stdnimp, "IO: in (%x)\n", DX);
  41
  42         AX = 0xffff;
  43 }
  44
  45 void outportb(struct sigcontext_struct *context)
  46 {
  47         dprintf_int(stdnimp, "IO: outb (%x), %x\n", DX, AX);
  48
  49         switch (EDX & 0xffff)
  50         {
  51                 case 0x70:
  52                         cmosaddress = AL & 0x7f;
  53                         break;
  54                 case 0x71:
  55                         cmosimage[cmosaddress & 0x3f] = AL;
  56                         break;
  57                 default:
  58         }
  59 }
  60
  61 void outport(struct sigcontext_struct *context)
  62 {
  63         dprintf_int(stdnimp, "IO: out (%x), %x\n", DX, AX);
  64 }