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 #include "debug.h"
   9
  10 static BYTE cmosaddress;
  11
  12 static BYTE cmosimage[64] = {
  13         0x27, 0x34, 0x31, 0x47, 0x16, 0x15, 0x00, 0x01,
  14         0x04, 0x94, 0x26, 0x02, 0x50, 0x80, 0x00, 0x00,
  15         0x40, 0xb1, 0x00, 0x9c, 0x01, 0x80, 0x02, 0x00,
  16         0x1c, 0x00, 0x00, 0xad, 0x02, 0x10, 0x00, 0x00,
  17         0x08, 0x00, 0x00, 0x26, 0x00, 0x00, 0x00, 0x00,
  18         0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x03, 0x58,
  19         0x00, 0x1c, 0x19, 0x81, 0x00, 0x0e, 0x00, 0x80,
  20         0x1b, 0x7b, 0x21, 0x00, 0x00, 0x00, 0x05, 0x5f };
  21
  22 void inportb(struct sigcontext_struct *context)
  23 {
  24         dprintf_int(stddeb, "IO: inb (%x)\n", DX);
  25
  26         switch(DX) {
  27                 case 0x70:
  28                         AL = cmosaddress;
  29                         break;
  30                 case 0x71:
  31                         AL = cmosimage[cmosaddress & 0x3f];
  32                         break;
  33                 default:
  34         }
  35 }
  36
  37 void inport(struct sigcontext_struct *context)
  38 {
  39         dprintf_int(stdnimp, "IO: in (%x)\n", DX);
  40
  41         AX = 0xffff;
  42 }
  43
  44 void inportb_abs(struct sigcontext_struct *context)
  45 {
  46         dprintf_int(stdnimp, "IO: in (%x)\n", *(BYTE *)(EIP+1));
  47         AL = 0xff;
  48 }
  49
  50 void inport_abs(struct sigcontext_struct *context)
  51 {
  52         dprintf_int(stdnimp, "IO: in (%x)\n", *(BYTE *)(EIP+1));
  53         AX = 0xffff;
  54 }
  55
  56 void outportb(struct sigcontext_struct *context)
  57 {
  58         dprintf_int(stdnimp, "IO: outb (%x), %x\n", DX, AX);
  59
  60         switch (EDX & 0xffff)
  61         {
  62                 case 0x70:
  63                         cmosaddress = AL & 0x7f;
  64                         break;
  65                 case 0x71:
  66                         cmosimage[cmosaddress & 0x3f] = AL;
  67                         break;
  68                 default:
  69         }
  70 }
  71
  72 void outport(struct sigcontext_struct *context)
  73 {
  74         dprintf_int(stdnimp, "IO: out (%x), %x\n", DX, AX);
  75 }
  76
  77 void outportb_abs(struct sigcontext_struct *context)
  78 {
  79     dprintf_int(stdnimp, "IO: out (%x), %x\n", *(BYTE *)(EIP+1), AL);
  80 }
  81
  82 void outport_abs(struct sigcontext_struct *context)
  83 {
  84     dprintf_int(stdnimp, "IO: out (%x), %x\n", *(BYTE *)(EIP+1), AX);
  85 }