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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* BIOS interrupt 15h handler
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*/
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#include <stdlib.h>
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#include "miscemu.h"
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#include "debug.h"
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DEFAULT_DEBUG_CHANNEL(int)
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/**********************************************************************
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* INT_Int15Handler
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*
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* Handler for int 15h (old cassette interrupt).
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*/
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void WINAPI INT_Int15Handler( CONTEXT *context )
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{
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switch(AH_reg(context))
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{
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case 0x88: /* get size of memory above 1 M */
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AX_reg(context) = 64; /* FIXME: are 64K ok? */
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RESET_CFLAG(context);
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break;
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case 0xc0: /* GET CONFIGURATION */
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if (ISV86(context)) /* real */
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ES_reg(context) = 0xf000;
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else
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ES_reg(context) = DOSMEM_BiosSysSeg;
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BX_reg(context) = 0xe6f5;
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AH_reg(context) = 0x0;
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RESET_CFLAG(context);
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break;
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case 0xc2:
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switch(AL_reg(context))
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{
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case 0x00: /* Enable-Disable Pointing Device (mouse) */
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/* BH = newstate, 00h = disabled 01h = enabled */
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switch(BH_reg(context))
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{
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case 0x00:
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FIXME(int, "Disable Pointing Device - not implemented\n");
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break;
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case 0x01:
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FIXME(int, "Enable Pointing Device - not implemented\n");
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break;
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default:
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INT_BARF( context, 0x15 );
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break;
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}
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AH_reg(context) = 0x00; /* successful */
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break;
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case 0x02: /* Set Sampling Rate */
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/* BH = sampling rate */
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FIXME(int, "Set Sampling Rate - not implemented\n");
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AH_reg(context) = 0x00; /* successful */
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break;
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case 0x04: /* Get Pointing Device Type */
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FIXME(int, "Get Pointing Device Type - not implemented\n");
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BH_reg(context) = 0x01;/*Device id FIXME what is it suposed to be?*/
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break;
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default:
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INT_BARF( context, 0x15 );
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}
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break;
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default:
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INT_BARF( context, 0x15 );
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}
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}
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