miscemu/ioports.c

   1 #include <stdio.h>
   2 #include <time.h>
   3 #include "msdos.h"
   4 #include "wine.h"
   5
   6 static BYTE cmosaddress;
   7
   8 static BYTE cmosimage[64] = {
   9         0x27, 0x34, 0x31, 0x47, 0x16, 0x15, 0x00, 0x01,
  10         0x04, 0x94, 0x26, 0x02, 0x50, 0x80, 0x00, 0x00,
  11         0x40, 0xb1, 0x00, 0x9c, 0x01, 0x80, 0x02, 0x00,
  12         0x1c, 0x00, 0x00, 0xad, 0x02, 0x10, 0x00, 0x00,
  13         0x08, 0x00, 0x00, 0x26, 0x00, 0x00, 0x00, 0x00,
  14         0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x03, 0x58,
  15         0x00, 0x1c, 0x19, 0x81, 0x00, 0x0e, 0x00, 0x80,
  16         0x1b, 0x7b, 0x21, 0x00, 0x00, 0x00, 0x05, 0x5f };
  17
  18 void inportb(struct sigcontext_struct *context)
  19 {
  20         fprintf(stderr, "IO: inb (%x)\n", EDX & 0xffff);
  21
  22         switch(EDX & 0xffff)
  23         {
  24                 case 0x70:
  25                         EAX = (EAX & 0xffffff00L) | cmosaddress;
  26                         break;
  27                 case 0x71:
  28                         EAX = (EAX & 0xffffff00L) | cmosimage[cmosaddress & 0x3f];
  29                         break;
  30                 default:
  31         }
  32 }
  33
  34 void inport(struct sigcontext_struct *context)
  35 {
  36         fprintf(stderr, "IO: in (%x)\n", EDX & 0xffff);
  37
  38         EAX = (EAX & 0xffff0000L) | 0xffff;
  39 }
  40
  41 void outportb(struct sigcontext_struct *context)
  42 {
  43         fprintf(stderr, "IO: outb (%x), %x\n", EDX & 0xffff, EAX & 0xff);
  44
  45         switch (EDX & 0xffff)
  46         {
  47                 case 0x70:
  48                         cmosaddress = EAX & 0xff;
  49                         break;
  50                 case 0x71:
  51                         cmosimage[cmosaddress & 0x3f] = EAX & 0xff;
  52                         break;
  53                 default:
  54         }
  55 }
  56
  57 void outport(struct sigcontext_struct *context)
  58 {
  59         fprintf(stderr, "IO: out (%x), %x\n", EDX & 0xffff, EAX & 0xffff);
  60 }