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/* -*- c -*- ------------------------------------------------------------- *
*
* Copyright 2004-2005 Murali Krishnan Ganapathy - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
#include <string.h>
#include <com32.h>
#include "com32io.h"
#include "tui.h"
#include "syslnx.h"
com32sys_t inreg, outreg; // Global register sets for use
void getpos(char *row, char *col, char page)
{
memset(&inreg, 0, sizeof inreg);
REG_AH(inreg) = 0x03;
REG_BH(inreg) = page;
__intcall(0x10, &inreg, &outreg);
*row = REG_DH(outreg);
*col = REG_DL(outreg);
}
char inputc(char *scancode)
{
syslinux_idle(); /* So syslinux can perform periodic activity */
memset(&inreg, 0, sizeof inreg);
REG_AH(inreg) = 0x10;
__intcall(0x16, &inreg, &outreg);
if (scancode)
*scancode = REG_AH(outreg);
return REG_AL(outreg);
}
void getcursorshape(char *start, char *end)
{
char page = 0; // XXX TODO
memset(&inreg, 0, sizeof inreg);
REG_AH(inreg) = 0x03;
REG_BH(inreg) = page;
__intcall(0x10, &inreg, &outreg);
*start = REG_CH(outreg);
*end = REG_CL(outreg);
}
void setcursorshape(char start, char end)
{
memset(&inreg, 0, sizeof inreg);
REG_AH(inreg) = 0x01;
REG_CH(inreg) = start;
REG_CL(inreg) = end;
__intcall(0x10, &inreg, &outreg);
}
void setvideomode(char mode)
{
memset(&inreg, 0, sizeof inreg);
REG_AH(inreg) = 0x00;
REG_AL(inreg) = mode;
__intcall(0x10, &inreg, &outreg);
}
// Get char displayed at current position
unsigned char getcharat(char page)
{
memset(&inreg, 0, sizeof inreg);
REG_AH(inreg) = 0x08;
REG_BH(inreg) = page;
__intcall(0x16, &inreg, &outreg);
return REG_AL(outreg);
}
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