diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c')
-rw-r--r-- | contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c b/contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c new file mode 100644 index 0000000..8e5016b --- /dev/null +++ b/contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c @@ -0,0 +1,72 @@ +/* -*- 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) +{ + 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 */ + 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 + 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) +{ + REG_AH(inreg) = 0x01; + REG_CH(inreg) = start; + REG_CL(inreg) = end; + __intcall(0x10, &inreg, &outreg); +} + +void setvideomode(char mode) +{ + REG_AH(inreg) = 0x00; + REG_AL(inreg) = mode; + __intcall(0x10, &inreg, &outreg); +} + +// Get char displayed at current position +unsigned char getcharat(char page) +{ + REG_AH(inreg) = 0x08; + REG_BH(inreg) = page; + __intcall(0x16, &inreg, &outreg); + return REG_AL(outreg); +} |