valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

IO Exceptions (wd)

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2094
This commit is contained in:
Peter Veenstra 2004-12-28 16:13:26 +00:00
parent 36cc519170
commit c99f8e8710
4 changed files with 272 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

21
src/cpu/callback.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: callback.cpp,v 1.22 2004-08-29 11:22:37 qbix79 Exp $ */
/* $Id: callback.cpp,v 1.23 2004-12-28 16:13:26 qbix79 Exp $ */
#include <stdlib.h>
#include <stdio.h>
@ -38,6 +38,7 @@ CallBack_Handler CallBack_Handlers[CB_MAX];
char* CallBack_Description[CB_MAX];
static Bitu call_stop,call_idle,call_default;
Bitu call_priv_io;
static Bitu illegal_handler(void) {
E_Exit("Illegal CallBack Called");
@ -237,6 +238,24 @@ void CALLBACK_Init(Section* sec) {
real_writed(0,0x67*4,CALLBACK_RealPointer(call_default));
real_writed(0,0x5c*4,CALLBACK_RealPointer(call_default)); //Network stuff
//real_writed(0,0xf*4,0); some games don't like it
call_priv_io=CALLBACK_Allocate();
phys_writeb(CB_BASE+(call_priv_io<<4)+0x00,(Bit8u)0xec); // in al, dx
phys_writeb(CB_BASE+(call_priv_io<<4)+0x01,(Bit8u)0xcb); // retf
phys_writeb(CB_BASE+(call_priv_io<<4)+0x02,(Bit8u)0xed); // in ax, dx
phys_writeb(CB_BASE+(call_priv_io<<4)+0x03,(Bit8u)0xcb); // retf
phys_writeb(CB_BASE+(call_priv_io<<4)+0x04,(Bit8u)0x66); // in eax, dx
phys_writeb(CB_BASE+(call_priv_io<<4)+0x05,(Bit8u)0xed);
phys_writeb(CB_BASE+(call_priv_io<<4)+0x06,(Bit8u)0xcb); // retf
phys_writeb(CB_BASE+(call_priv_io<<4)+0x08,(Bit8u)0xee); // out dx, al
phys_writeb(CB_BASE+(call_priv_io<<4)+0x09,(Bit8u)0xcb); // retf
phys_writeb(CB_BASE+(call_priv_io<<4)+0x0a,(Bit8u)0xef); // out dx, ax
phys_writeb(CB_BASE+(call_priv_io<<4)+0x0b,(Bit8u)0xcb); // retf
phys_writeb(CB_BASE+(call_priv_io<<4)+0x0c,(Bit8u)0x66); // out dx, eax
phys_writeb(CB_BASE+(call_priv_io<<4)+0x0d,(Bit8u)0xef);
phys_writeb(CB_BASE+(call_priv_io<<4)+0x0e,(Bit8u)0xcb); // retf
}