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// This file is part of Adlib Tracker II (AT2).
//
// AT2 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, either version 3 of the License, or
// (at your option) any later version.
//
// AT2 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with AT2. If not, see <http://www.gnu.org/licenses/>.
uses DOS,AdT2data;
const
_font_file_header_data: array[0..9] of Dword = (
$0CD0083B8,$01110B810,$0B91000BB,$0D2330100,$0CD0128BD,$04C00B810,$0754C21CD,$073276550,
$061686320,$074657372);
function Upper(str: String): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
mov al,[esi]
inc esi
mov [edi],al
inc edi
xor ecx,ecx
mov cl,al
jecxz @@3
@@1: mov al,[esi]
inc esi
cmp al,'a'
jb @@2
cmp al,'z'
ja @@2
sub al,20h
@@2: mov [edi],al
inc edi
loop @@1
@@3:
end;
end;
function ExpStrL(str: String; size: Byte; chr: Char): String;
begin
asm
lea esi,[str]
mov edi,@RESULT
cld
xor ecx,ecx
lodsb
cmp al,size
jge @@1
mov ah,al
mov al,size
stosb
mov al,ah
mov cl,size
sub cl,al
mov al,chr
rep stosb
mov cl,ah
rep movsb
jmp @@2
@@1: stosb
mov cl,al
rep movsb
@@2:
end;
end;
function Num2str(num: Longint; base: Byte): String;
const
hexa: array[0..PRED(16)+32] of Char = '0123456789ABCDEF'+
#0#0#0#0#0#0#0#0#0#0#0#0#0#0#0#0;
begin
asm
xor eax,eax
xor edx,edx
xor edi,edi
xor esi,esi
mov eax,num
xor ebx,ebx
mov bl,base
cmp bl,2
jb @@3
cmp bl,16
ja @@3
mov edi,32
@@1: dec edi
xor edx,edx
div ebx
mov esi,edx
mov dl,byte ptr [hexa+esi]
mov byte ptr [hexa+edi+16],dl
and eax,eax
jnz @@1
mov esi,edi
mov ecx,32
sub ecx,edi
mov edi,@RESULT
mov al,cl
stosb
@@2: mov al,byte ptr [hexa+esi+16]
stosb
inc esi
loop @@2
jmp @@4
@@3: mov edi,@RESULT
xor al,al
stosb
@@4:
end;
end;
var
f: File;
t: Text;
temp,temp2,temp3: Longint;
offset: Longint;
temps: String;
buf: array[0..PRED(4096+40)] of Byte;
procedure _invoke_error_1;
begin
WriteLn('Error writing FONT.COM');
HALT(1);
end;
procedure _invoke_error_2;
begin
WriteLn('Error reading FONT.COM');
HALT(2);
end;
procedure _invoke_error_3;
begin
WriteLn('Error writing FONT.DAT');
HALT(3);
end;
begin
If (Upper(ParamStr(1)) = '/FONT') then
begin
{$i-}
Assign(f,'font.com');
SetFAttr(f,ARCHIVE);
Rewrite(f,1);
{$i+}
If (IOresult <> 0) then _invoke_error_1;
BlockWrite(f,_font_file_header_data,40,temp);
If (temp <> 40) then _invoke_error_1;
BlockWrite(f,font8x16,4096,temp);
If (temp <> 4096) then _invoke_error_1;
{$i-}
Close(f);
{$i+}
If (IOresult <> 0) then _invoke_error_1;
HALT(0);
end;
If (Upper(ParamStr(1)) = '/DATA') then
begin
{$i-}
Assign(f,'font.com');
Reset(f,1);
{$i+}
If (IOresult <> 0) then _invoke_error_2;
BlockRead(f,buf,SizeOf(buf),temp);
If (FileSize(f) > 4096+40) or (temp < 4096+40) then _invoke_error_2;
{$i-}
Close(f);
{$i+}
If (IOresult <> 0) then _invoke_error_2;
{$i-}
Assign(t,'font.dat');
Rewrite(t);
{$i+}
If (IOresult <> 0) then _invoke_error_3;
WriteLn(t,'const');
WriteLn(t,' font8x16: array[0..1023] of Dword = (');
offset := 40;
For temp3 := 1 to 128 do
begin
Write(t,' ');
For temp2 := 1 to 8 do
begin
temps := '';
For temp := 1 to 4 do
begin
temps := ExpStrL(Num2str(buf[offset],16),2,'0')+temps;
Inc(offset);
end;
If (offset < 4096+40) then Write(t,'$'+temps+',')
else Write(t,'$'+temps+');')
end;
WriteLn(t);
end;
{$i-}
Close(t);
{$i+}
If (IOresult <> 0) then _invoke_error_3;
HALT(0);
end;
WriteLn('Usage: DUMPFONT [/font] | [/data]');
end.
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