Unit GMain;
interface
const
Graphics_Mode_Mono = 1;
Graphics_Mode_Gray = 2;
type
TVioScreenBuffer = array[0..0] of Byte;
PVioScreenBuffer = ^TVioScreenBuffer;
Int = LongInt;
Int = Integer;
var
Vio : PVioScreenBuffer;
vio_ScanLineWidth : Int;
vio_Width : Int;
vio_Height : Int;
gray_palette : array[0..4] of Byte;
gcursor_x : int;
gcursor_y : int;
gwindow_width : int;
gwindow_height : int;
function Set_Graph_Screen( mode : int ) : boolean;
function Restore_Screen : boolean;
procedure Display_Bitmap_On_Screen( var buff; line, col : Int );
procedure Goto_XY( x, y : int );
procedure Print_Str( str : string );
procedure Print_XY ( x, y : int; str : string );
implementation
uses GDriver;
type
TFunction_8x8 = procedure( x, y : Int; c : char );
TByte = array[0..0] of Byte;
PByte = ^TByte;
var
Current_Mode : Byte;
Print_8x8 : TFunction_8x8;
const
Font_8x8 : array[0..2047] of Byte
= (
$00, $00, $00, $00, $00, $00, $00, $00,
$7E, $81, $A5, $81, $BD, $99, $81, $7E,
$7E, $FF, $DB, $FF, $C3, $E7, $FF, $7E,
$6C, $FE, $FE, $FE, $7C, $38, $10, $00,
$10, $38, $7C, $FE, $7C, $38, $10, $00,
$38, $7C, $38, $FE, $FE, $92, $10, $7C,
$00, $10, $38, $7C, $FE, $7C, $38, $7C,
$00, $00, $18, $3C, $3C, $18, $00, $00,
$FF, $FF, $E7, $C3, $C3, $E7, $FF, $FF,
$00, $3C, $66, $42, $42, $66, $3C, $00,
$FF, $C3, $99, $BD, $BD, $99, $C3, $FF,
$0F, $07, $0F, $7D, $CC, $CC, $CC, $78,
$3C, $66, $66, $66, $3C, $18, $7E, $18,
$3F, $33, $3F, $30, $30, $70, $F0, $E0,
$7F, $63, $7F, $63, $63, $67, $E6, $C0,
$99, $5A, $3C, $E7, $E7, $3C, $5A, $99,
$80, $E0, $F8, $FE, $F8, $E0, $80, $00,
$02, $0E, $3E, $FE, $3E, $0E, $02, $00,
$18, $3C, $7E, $18, $18, $7E, $3C, $18,
$66, $66, $66, $66, $66, $00, $66, $00,
$7F, $DB, $DB, $7B, $1B, $1B, $1B, $00,
$3E, $63, $38, $6C, $6C, $38, $86, $FC,
$00, $00, $00, $00, $7E, $7E, $7E, $00,
$18, $3C, $7E, $18, $7E, $3C, $18, $FF,
$18, $3C, $7E, $18, $18, $18, $18, $00,
$18, $18, $18, $18, $7E, $3C, $18, $00,
$00, $18, $0C, $FE, $0C, $18, $00, $00,
$00, $30, $60, $FE, $60, $30, $00, $00,
$00, $00, $C0, $C0, $C0, $FE, $00, $00,
$00, $24, $66, $FF, $66, $24, $00, $00,
$00, $18, $3C, $7E, $FF, $FF, $00, $00,
$00, $FF, $FF, $7E, $3C, $18, $00, $00,
$00, $00, $00, $00, $00, $00, $00, $00,
$18, $3C, $3C, $18, $18, $00, $18, $00,
$6C, $6C, $6C, $00, $00, $00, $00, $00,
$6C, $6C, $FE, $6C, $FE, $6C, $6C, $00,
$18, $7E, $C0, $7C, $06, $FC, $18, $00,
$00, $C6, $CC, $18, $30, $66, $C6, $00,
$38, $6C, $38, $76, $DC, $CC, $76, $00,
$30, $30, $60, $00, $00, $00, $00, $00,
$18, $30, $60, $60, $60, $30, $18, $00,
$60, $30, $18, $18, $18, $30, $60, $00,
$00, $66, $3C, $FF, $3C, $66, $00, $00,
$00, $18, $18, $7E, $18, $18, $00, $00,
$00, $00, $00, $00, $00, $18, $18, $30,
$00, $00, $00, $7E, $00, $00, $00, $00,
$00, $00, $00, $00, $00, $18, $18, $00,
$06, $0C, $18, $30, $60, $C0, $80, $00,
$7C, $CE, $DE, $F6, $E6, $C6, $7C, $00,
$30, $70, $30, $30, $30, $30, $FC, $00,
$78, $CC, $0C, $38, $60, $CC, $FC, $00,
$78, $CC, $0C, $38, $0C, $CC, $78, $00,
$1C, $3C, $6C, $CC, $FE, $0C, $1E, $00,
$FC, $C0, $F8, $0C, $0C, $CC, $78, $00,
$38, $60, $C0, $F8, $CC, $CC, $78, $00,
$FC, $CC, $0C, $18, $30, $30, $30, $00,
$78, $CC, $CC, $78, $CC, $CC, $78, $00,
$78, $CC, $CC, $7C, $0C, $18, $70, $00,
$00, $18, $18, $00, $00, $18, $18, $00,
$00, $18, $18, $00, $00, $18, $18, $30,
$18, $30, $60, $C0, $60, $30, $18, $00,
$00, $00, $7E, $00, $7E, $00, $00, $00,
$60, $30, $18, $0C, $18, $30, $60, $00,
$3C, $66, $0C, $18, $18, $00, $18, $00,
$7C, $C6, $DE, $DE, $DC, $C0, $7C, $00,
$30, $78, $CC, $CC, $FC, $CC, $CC, $00,
$FC, $66, $66, $7C, $66, $66, $FC, $00,
$3C, $66, $C0, $C0, $C0, $66, $3C, $00,
$F8, $6C, $66, $66, $66, $6C, $F8, $00,
$FE, $62, $68, $78, $68, $62, $FE, $00,
$FE, $62, $68, $78, $68, $60, $F0, $00,
$3C, $66, $C0, $C0, $CE, $66, $3A, $00,
$CC, $CC, $CC, $FC, $CC, $CC, $CC, $00,
$78, $30, $30, $30, $30, $30, $78, $00,
$1E, $0C, $0C, $0C, $CC, $CC, $78, $00,
$E6, $66, $6C, $78, $6C, $66, $E6, $00,
$F0, $60, $60, $60, $62, $66, $FE, $00,
$C6, $EE, $FE, $FE, $D6, $C6, $C6, $00,
$C6, $E6, $F6, $DE, $CE, $C6, $C6, $00,
$38, $6C, $C6, $C6, $C6, $6C, $38, $00,
$FC, $66, $66, $7C, $60, $60, $F0, $00,
$7C, $C6, $C6, $C6, $D6, $7C, $0E, $00,
$FC, $66, $66, $7C, $6C, $66, $E6, $00,
$7C, $C6, $E0, $78, $0E, $C6, $7C, $00,
$FC, $B4, $30, $30, $30, $30, $78, $00,
$CC, $CC, $CC, $CC, $CC, $CC, $FC, $00,
$CC, $CC, $CC, $CC, $CC, $78, $30, $00,
$C6, $C6, $C6, $C6, $D6, $FE, $6C, $00,
$C6, $C6, $6C, $38, $6C, $C6, $C6, $00,
$CC, $CC, $CC, $78, $30, $30, $78, $00,
$FE, $C6, $8C, $18, $32, $66, $FE, $00,
$78, $60, $60, $60, $60, $60, $78, $00,
$C0, $60, $30, $18, $0C, $06, $02, $00,
$78, $18, $18, $18, $18, $18, $78, $00,
$10, $38, $6C, $C6, $00, $00, $00, $00,
$00, $00, $00, $00, $00, $00, $00, $FF,
$30, $30, $18, $00, $00, $00, $00, $00,
$00, $00, $78, $0C, $7C, $CC, $76, $00,
$E0, $60, $60, $7C, $66, $66, $DC, $00,
$00, $00, $78, $CC, $C0, $CC, $78, $00,
$1C, $0C, $0C, $7C, $CC, $CC, $76, $00,
$00, $00, $78, $CC, $FC, $C0, $78, $00,
$38, $6C, $64, $F0, $60, $60, $F0, $00,
$00, $00, $76, $CC, $CC, $7C, $0C, $F8,
$E0, $60, $6C, $76, $66, $66, $E6, $00,
$30, $00, $70, $30, $30, $30, $78, $00,
$0C, $00, $1C, $0C, $0C, $CC, $CC, $78,
$E0, $60, $66, $6C, $78, $6C, $E6, $00,
$70, $30, $30, $30, $30, $30, $78, $00,
$00, $00, $CC, $FE, $FE, $D6, $D6, $00,
$00, $00, $B8, $CC, $CC, $CC, $CC, $00,
$00, $00, $78, $CC, $CC, $CC, $78, $00,
$00, $00, $DC, $66, $66, $7C, $60, $F0,
$00, $00, $76, $CC, $CC, $7C, $0C, $1E,
$00, $00, $DC, $76, $62, $60, $F0, $00,
$00, $00, $7C, $C0, $70, $1C, $F8, $00,
$10, $30, $FC, $30, $30, $34, $18, $00,
$00, $00, $CC, $CC, $CC, $CC, $76, $00,
$00, $00, $CC, $CC, $CC, $78, $30, $00,
$00, $00, $C6, $C6, $D6, $FE, $6C, $00,
$00, $00, $C6, $6C, $38, $6C, $C6, $00,
$00, $00, $CC, $CC, $CC, $7C, $0C, $F8,
$00, $00, $FC, $98, $30, $64, $FC, $00,
$1C, $30, $30, $E0, $30, $30, $1C, $00,
$18, $18, $18, $00, $18, $18, $18, $00,
$E0, $30, $30, $1C, $30, $30, $E0, $00,
$76, $DC, $00, $00, $00, $00, $00, $00,
$00, $10, $38, $6C, $C6, $C6, $FE, $00,
$7C, $C6, $C0, $C6, $7C, $0C, $06, $7C,
$00, $CC, $00, $CC, $CC, $CC, $76, $00,
$1C, $00, $78, $CC, $FC, $C0, $78, $00,
$7E, $81, $3C, $06, $3E, $66, $3B, $00,
$CC, $00, $78, $0C, $7C, $CC, $76, $00,
$E0, $00, $78, $0C, $7C, $CC, $76, $00,
$30, $30, $78, $0C, $7C, $CC, $76, $00,
$00, $00, $7C, $C6, $C0, $78, $0C, $38,
$7E, $81, $3C, $66, $7E, $60, $3C, $00,
$CC, $00, $78, $CC, $FC, $C0, $78, $00,
$E0, $00, $78, $CC, $FC, $C0, $78, $00,
$CC, $00, $70, $30, $30, $30, $78, $00,
$7C, $82, $38, $18, $18, $18, $3C, $00,
$E0, $00, $70, $30, $30, $30, $78, $00,
$C6, $10, $7C, $C6, $FE, $C6, $C6, $00,
$30, $30, $00, $78, $CC, $FC, $CC, $00,
$1C, $00, $FC, $60, $78, $60, $FC, $00,
$00, $00, $7F, $0C, $7F, $CC, $7F, $00,
$3E, $6C, $CC, $FE, $CC, $CC, $CE, $00,
$78, $84, $00, $78, $CC, $CC, $78, $00,
$00, $CC, $00, $78, $CC, $CC, $78, $00,
$00, $E0, $00, $78, $CC, $CC, $78, $00,
$78, $84, $00, $CC, $CC, $CC, $76, $00,
$00, $E0, $00, $CC, $CC, $CC, $76, $00,
$00, $CC, $00, $CC, $CC, $7C, $0C, $F8,
$C3, $18, $3C, $66, $66, $3C, $18, $00,
$CC, $00, $CC, $CC, $CC, $CC, $78, $00,
$18, $18, $7E, $C0, $C0, $7E, $18, $18,
$38, $6C, $64, $F0, $60, $E6, $FC, $00,
$CC, $CC, $78, $30, $FC, $30, $FC, $30,
$F8, $CC, $CC, $FA, $C6, $CF, $C6, $C3,
$0E, $1B, $18, $3C, $18, $18, $D8, $70,
$1C, $00, $78, $0C, $7C, $CC, $76, $00,
$38, $00, $70, $30, $30, $30, $78, $00,
$00, $1C, $00, $78, $CC, $CC, $78, $00,
$00, $1C, $00, $CC, $CC, $CC, $76, $00,
$00, $F8, $00, $B8, $CC, $CC, $CC, $00,
$FC, $00, $CC, $EC, $FC, $DC, $CC, $00,
$3C, $6C, $6C, $3E, $00, $7E, $00, $00,
$38, $6C, $6C, $38, $00, $7C, $00, $00,
$18, $00, $18, $18, $30, $66, $3C, $00,
$00, $00, $00, $FC, $C0, $C0, $00, $00,
$00, $00, $00, $FC, $0C, $0C, $00, $00,
$C6, $CC, $D8, $36, $6B, $C2, $84, $0F,
$C3, $C6, $CC, $DB, $37, $6D, $CF, $03,
$18, $00, $18, $18, $3C, $3C, $18, $00,
$00, $33, $66, $CC, $66, $33, $00, $00,
$00, $CC, $66, $33, $66, $CC, $00, $00,
$22, $88, $22, $88, $22, $88, $22, $88,
$55, $AA, $55, $AA, $55, $AA, $55, $AA,
$DB, $F6, $DB, $6F, $DB, $7E, $D7, $ED,
$18, $18, $18, $18, $18, $18, $18, $18,
$18, $18, $18, $18, $F8, $18, $18, $18,
$18, $18, $F8, $18, $F8, $18, $18, $18,
$36, $36, $36, $36, $F6, $36, $36, $36,
$00, $00, $00, $00, $FE, $36, $36, $36,
$00, $00, $F8, $18, $F8, $18, $18, $18,
$36, $36, $F6, $06, $F6, $36, $36, $36,
$36, $36, $36, $36, $36, $36, $36, $36,
$00, $00, $FE, $06, $F6, $36, $36, $36,
$36, $36, $F6, $06, $FE, $00, $00, $00,
$36, $36, $36, $36, $FE, $00, $00, $00,
$18, $18, $F8, $18, $F8, $00, $00, $00,
$00, $00, $00, $00, $F8, $18, $18, $18,
$18, $18, $18, $18, $1F, $00, $00, $00,
$18, $18, $18, $18, $FF, $00, $00, $00,
$00, $00, $00, $00, $FF, $18, $18, $18,
$18, $18, $18, $18, $1F, $18, $18, $18,
$00, $00, $00, $00, $FF, $00, $00, $00,
$18, $18, $18, $18, $FF, $18, $18, $18,
$18, $18, $1F, $18, $1F, $18, $18, $18,
$36, $36, $36, $36, $37, $36, $36, $36,
$36, $36, $37, $30, $3F, $00, $00, $00,
$00, $00, $3F, $30, $37, $36, $36, $36,
$36, $36, $F7, $00, $FF, $00, $00, $00,
$00, $00, $FF, $00, $F7, $36, $36, $36,
$36, $36, $37, $30, $37, $36, $36, $36,
$00, $00, $FF, $00, $FF, $00, $00, $00,
$36, $36, $F7, $00, $F7, $36, $36, $36,
$18, $18, $FF, $00, $FF, $00, $00, $00,
$36, $36, $36, $36, $FF, $00, $00, $00,
$00, $00, $FF, $00, $FF, $18, $18, $18,
$00, $00, $00, $00, $FF, $36, $36, $36,
$36, $36, $36, $36, $3F, $00, $00, $00,
$18, $18, $1F, $18, $1F, $00, $00, $00,
$00, $00, $1F, $18, $1F, $18, $18, $18,
$00, $00, $00, $00, $3F, $36, $36, $36,
$36, $36, $36, $36, $FF, $36, $36, $36,
$18, $18, $FF, $18, $FF, $18, $18, $18,
$18, $18, $18, $18, $F8, $00, $00, $00,
$00, $00, $00, $00, $1F, $18, $18, $18,
$FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF,
$00, $00, $00, $00, $FF, $FF, $FF, $FF,
$F0, $F0, $F0, $F0, $F0, $F0, $F0, $F0,
$0F, $0F, $0F, $0F, $0F, $0F, $0F, $0F,
$FF, $FF, $FF, $FF, $00, $00, $00, $00,
$00, $00, $76, $DC, $C8, $DC, $76, $00,
$00, $78, $CC, $F8, $CC, $F8, $C0, $C0,
$00, $FC, $CC, $C0, $C0, $C0, $C0, $00,
$00, $00, $FE, $6C, $6C, $6C, $6C, $00,
$FC, $CC, $60, $30, $60, $CC, $FC, $00,
$00, $00, $7E, $D8, $D8, $D8, $70, $00,
$00, $66, $66, $66, $66, $7C, $60, $C0,
$00, $76, $DC, $18, $18, $18, $18, $00,
$FC, $30, $78, $CC, $CC, $78, $30, $FC,
$38, $6C, $C6, $FE, $C6, $6C, $38, $00,
$38, $6C, $C6, $C6, $6C, $6C, $EE, $00,
$1C, $30, $18, $7C, $CC, $CC, $78, $00,
$00, $00, $7E, $DB, $DB, $7E, $00, $00,
$06, $0C, $7E, $DB, $DB, $7E, $60, $C0,
$38, $60, $C0, $F8, $C0, $60, $38, $00,
$78, $CC, $CC, $CC, $CC, $CC, $CC, $00,
$00, $7E, $00, $7E, $00, $7E, $00, $00,
$18, $18, $7E, $18, $18, $00, $7E, $00,
$60, $30, $18, $30, $60, $00, $FC, $00,
$18, $30, $60, $30, $18, $00, $FC, $00,
$0E, $1B, $1B, $18, $18, $18, $18, $18,
$18, $18, $18, $18, $18, $D8, $D8, $70,
$18, $18, $00, $7E, $00, $18, $18, $00,
$00, $76, $DC, $00, $76, $DC, $00, $00,
$38, $6C, $6C, $38, $00, $00, $00, $00,
$00, $00, $00, $18, $18, $00, $00, $00,
$00, $00, $00, $00, $18, $00, $00, $00,
$0F, $0C, $0C, $0C, $EC, $6C, $3C, $1C,
$58, $6C, $6C, $6C, $6C, $00, $00, $00,
$70, $98, $30, $60, $F8, $00, $00, $00,
$00, $00, $3C, $3C, $3C, $3C, $00, $00,
$00, $00, $00, $00, $00, $00, $00, $00
);
procedure Print_8x8_Mono( x, y : Int; c : char );
var
offset, i : Int;
bitm : PByte;
begin
offset := x + y*Vio_ScanLineWidth*8;
bitm := @Font_8x8[ ord(c)*8 ];
for i := 0 to 7 do
begin
Vio^[offset] := bitm^[i];
inc( offset, Vio_ScanLineWidth );
end;
end;
procedure Print_8x8_Gray( x, y : Int; c : char );
var
offset, i, bit : Int;
bitm : PByte;
begin
offset := ( x + y*Vio_ScanLineWidth )*8;
bitm := @font_8x8[ ord(c)*8 ];
for i := 0 to 7 do
begin
bit := $80;
while bit > 0 do
begin
if ( bit and bitm^[i] <> 0 ) then Vio^[offset] := $FF
else Vio^[offset] := $00;
bit := bit shr 1;
inc( offset );
end;
inc( offset, Vio_ScanLineWidth-8 );
end;
end;
function Set_Graph_Screen( mode : Int ): boolean;
begin
Set_Graph_Screen := False;
gcursor_x := 0;
gcursor_y := 0;
case mode of
Graphics_Mode_Mono : begin
if not Driver_Set_Graphics(mode) then exit;
gwindow_width := vio_ScanLineWidth;
gwindow_height := vio_Height div 8;
Print_8x8 := Print_8x8_Mono;
end;
Graphics_Mode_Gray : begin
if not Driver_Set_Graphics(mode) then exit;
gwindow_width := vio_ScanLineWidth div 8;
gwindow_height := vio_Height div 8;
Print_8x8 := Print_8x8_Gray;
end;
else
exit;
end;
Set_Graph_Screen := True;
end;
function Restore_Screen : boolean;
begin
gcursor_x := 0;
gcursor_y := 0;
gwindow_height := 0;
gwindow_width := 0;
Restore_Screen := Driver_Restore_Mode;
end;
procedure Display_Bitmap_On_Screen;
begin
Driver_Display_Bitmap( buff, line, col );
end;
procedure Goto_XY( x, y : Int );
begin
gcursor_x := x;
gcursor_y := y;
end;
procedure Print_Str( str : string );
var
i : Int;
begin
for i := 1 to length(str) do
begin
case str[i] of
#13 : begin
gcursor_x := 0;
inc( gcursor_y );
if gcursor_y > gwindow_height then gcursor_y := 0;
end;
else
Print_8x8( gcursor_x, gcursor_y, str[i] );
inc( gcursor_x );
if gcursor_x >= gwindow_width then
begin
gcursor_x := 0;
inc( gcursor_y );
if gcursor_y >= gwindow_height then gcursor_y := 0;
end
end
end
end;
procedure Print_XY( x, y : Int; str : string );
begin
Goto_XY( x, y );
Print_Str( str );
end;
end.