142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/*
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* VxD emulation
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*
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* Copyright 1995 Anand Kumria
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*/
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#include <stdio.h>
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#include "windows.h"
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#include "msdos.h"
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#include "miscemu.h"
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#include "wine.h"
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#include "stddebug.h"
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/* #define DEBUG_VXD */
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#include "debug.h"
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/***********************************************************************
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* VXD_PageFile
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*/
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void VXD_PageFile( struct sigcontext_struct context )
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{
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/* taken from Ralf Brown's Interrupt List */
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dprintf_vxd(stddeb,"VxD PageFile called ...\n");
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switch(AX_reg(&context))
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{
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case 0x00: /* get version, is this windows version? */
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dprintf_vxd(stddeb,"VxD PageFile: returning version\n");
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AX_reg(&context) = (WINVERSION >> 8) | ((WINVERSION << 8) & 0xff00);
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RESET_CFLAG(&context);
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break;
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case 0x01: /* get swap file info */
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dprintf_vxd(stddeb,"VxD PageFile: returning swap file info\n");
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AX_reg(&context) = 0x00; /* paging disabled */
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ECX_reg(&context) = 0; /* maximum size of paging file */
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/* FIXME: do I touch DS:SI or DS:DI? */
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RESET_CFLAG(&context);
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break;
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case 0x02: /* delete permanent swap on exit */
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dprintf_vxd(stddeb,"VxD PageFile: supposed to delete swap\n");
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RESET_CFLAG(&context);
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break;
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case 0x03: /* current temporary swap file size */
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dprintf_vxd(stddeb,"VxD PageFile: what is current temp. swap size\n");
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RESET_CFLAG(&context);
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break;
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case 0x04: /* read or write?? INTERRUP.D */
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case 0x05: /* cancel?? INTERRUP.D */
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case 0x06: /* test I/O valid INTERRUP.D */
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default:
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INT_BARF( &context, 0x2f);
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break;
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}
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}
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/***********************************************************************
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* VXD_Shell
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*/
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void VXD_Shell( struct sigcontext_struct context )
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{
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dprintf_vxd(stddeb,"VxD Shell called ...\n");
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switch (DX_reg(&context)) /* Ralf Brown says EDX, but I use DX instead */
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{
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case 0x0000:
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dprintf_vxd(stddeb,"VxD Shell: returning version\n");
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AX_reg(&context) = (WINVERSION >> 8) | ((WINVERSION << 8) & 0xff00);
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EBX_reg(&context) = 1; /* system VM Handle */
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break;
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case 0x0001:
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case 0x0002:
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case 0x0003:
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case 0x0004:
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case 0x0005:
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dprintf_vxd(stddeb,"VxD Shell: EDX = %08lx\n",EDX_reg(&context));
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INT_BARF( &context, 0x2f);
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break;
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case 0x0006: /* SHELL_Get_VM_State */
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dprintf_vxd(stddeb,"VxD Shell: returning VM state\n");
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/* Actually we don't, not yet. We have to return a structure
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* and I am not to sure how to set it up and return it yet,
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* so for now let's do nothing. I can (hopefully) get this
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* by the next release
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*/
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/* RESET_CFLAG(&context); */
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break;
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case 0x0007:
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case 0x0008:
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case 0x0009:
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case 0x000A:
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case 0x000B:
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case 0x000C:
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case 0x000D:
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case 0x000E:
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case 0x000F:
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case 0x0010:
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case 0x0011:
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case 0x0012:
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case 0x0013:
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case 0x0014:
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case 0x0015:
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case 0x0016:
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default:
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dprintf_vxd(stddeb,"VxD Shell: EDX = %08lx\n",EDX_reg(&context));
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INT_BARF( &context, 0x2f);
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break;
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}
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}
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/***********************************************************************
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* VXD_Comm
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*/
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void VXD_Comm( struct sigcontext_struct context )
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{
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dprintf_vxd(stddeb,"VxD Comm called ...\n");
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switch (AX_reg(&context))
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{
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case 0x0000: /* get version */
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dprintf_vxd(stddeb,"VxD Comm: returning version\n");
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AX_reg(&context) = (WINVERSION >> 8) | ((WINVERSION << 8) & 0xff00);
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RESET_CFLAG(&context);
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break;
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case 0x0001: /* set port global */
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case 0x0002: /* get focus */
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case 0x0003: /* virtualise port */
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default:
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INT_BARF( &context, 0x2f);
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}
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}
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