Sweden-Number/msdos/int15.c

38 lines
834 B
C

/*
* BIOS interrupt 15h handler
*/
#include <stdlib.h>
#include "miscemu.h"
#include "debug.h"
/**********************************************************************
* INT_Int15Handler
*
* Handler for int 15h (old cassette interrupt).
*/
void WINAPI INT_Int15Handler( CONTEXT *context )
{
switch(AH_reg(context))
{
case 0x88: /* get size of memory above 1 M */
AX_reg(context) = 64; /* FIXME: are 64K ok? */
RESET_CFLAG(context);
break;
case 0xc0: /* GET CONFIGURATION */
if (ISV86(context)) /* real */
ES_reg(context) = 0xf000;
else
ES_reg(context) = DOSMEM_BiosSysSeg;
BX_reg(context) = 0xe6f5;
AH_reg(context) = 0x0;
RESET_CFLAG(context);
break;
default:
INT_BARF( context, 0x15 );
}
}