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