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83 lines
2.5 KiB
Plaintext
83 lines
2.5 KiB
Plaintext
{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 1993,97 by the Free Pascal development team.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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var
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defaultfontdata : array[0..2047] of byte;
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function getfontpointer(b : byte):longint;
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begin
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dregs.RealSS:=0;
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dregs.RealSP:=0;
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dregs.RealEAX:=$1130;
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dregs.RealEBX:=longint(b shl 8);
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RealIntr($10,dregs);
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getfontpointer:=(longint(dregs.RealES) shl 4) + dregs.RealEBP and $FFFF;
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end;
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procedure getdefaultfont;
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var Sel : Word;
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linaddr : longint;
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begin
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{ 8x8-Defaultfont aus BIOS laden }
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if isDPMI then begin
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SEL:=allocate_ldt_descriptors(1);
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linaddr:=getfontpointer(3);
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{ I got problems because the fonts were at real mode segment $ffff
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so the address is above 1Mo and thus not locked !! }
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if linaddr+1024>$100000 then
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linaddr:=get_linear_addr(linaddr,1024);
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Set_segment_base_address(SEL,linaddr);
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Set_segment_limit(SEL,1024);
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movelong(sel,@defaultfontdata[0],$3FF);
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linaddr:=getfontpointer(4);
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if linaddr+1024>$100000 then
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linaddr:=get_linear_addr(linaddr,1024);
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Set_segment_base_address(SEL,linaddr);
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Set_segment_limit(SEL,1024);
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movelong(sel,@defaultfontdata[1024],$3FF);
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free_ldt_descriptor(SEL);
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end else begin
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move(pointer(getfontpointer(3)+core)^,defaultfontdata[0],1024);
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move(pointer(getfontpointer(4)+core)^,defaultfontdata[1024],1024);
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end;
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end;
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{
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$Log$
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Revision 1.1 1998-03-25 11:18:42 root
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Initial revision
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Revision 1.3 1998/01/26 11:58:02 michael
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+ Added log at the end
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Working file: rtl/dos/ppi/font.ppi
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description:
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----------------------------
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revision 1.2
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date: 1997/12/01 12:21:29; author: michael; state: Exp; lines: +14 -0
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+ added copyright reference in header.
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----------------------------
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revision 1.1
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date: 1997/11/27 08:33:51; author: michael; state: Exp;
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Initial revision
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----------------------------
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revision 1.1.1.1
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date: 1997/11/27 08:33:51; author: michael; state: Exp; lines: +0 -0
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FPC RTL CVS start
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=============================================================================
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}
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