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EXAMPLE3.PAS
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Pascal/Delphi Source File
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1994-06-20
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2KB
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96 lines
Program HSCExample;
{ Little Example To Show The Use Of The Antares HSC Player }
{ Coded By Access/ADV - 05/94 }
{ Modified By Access/ADV - 06/94 }
{ Polling Version }
Uses Crt,ADVHSC;
{ The 3 Following Routine Were Extracted From The Antares GFX Tpu }
{ Coming Soon On Your Screen ... }
PROCEDURE VerticalRetrace; Assembler;
ASM
mov dx,$3da
@1: in al,dx
test al,8
jz @1
@2: in al,dx
test al,8
jnz @2
END;
PROCEDURE Wait4Line;Assembler;
ASM
mov dx,$3da
@1: in al,dx
test al,1
jnz @1
@2: in al,dx
test al,1
jz @2
END;
PROCEDURE SetColor(Nr,R,G,B:Byte);Assembler;
Asm
mov dx, 3C8h {Color port}
mov al, Nr {number of color to change}
out dx, al
inc dx {inc dx to write}
mov al, r {red value}
out dx, al
mov al, g {green}
out dx, al
mov al, b {blue}
out dx, al
END;
Var i,CountAdd:Byte;
j,Count:Word;
Begin
LOADSONG('MUSIC.HSC'); { Loading the Song Into Memory }
SetMode(1,1); { Turn Polling Mode On And Tell HSC To Call The Old Interrupt }
PLAYSONG; { Play The Song }
Count:=0; { InitiaLiZe Raster Variable }
CountAdd:=1;
Repeat
if Count=200 then CountAdd:=0; { Sum Test For The Raster }
if Count=0 then CountAdd:=1;
if CountAdd=0 then Dec(Count) Else Inc(Count);
VerticalRetrace; { Wait For Video Vertical Retrace }
Asm
Cli { Turn Off All Interrupt - Used To Avoid A Interruption During
The Raster Process }
End;
For j:=1 to Count Do Wait4Line; { Wait The Line Number J }
For i:=0 to 63 Do { Do The FadeIn Raster }
Begin
Wait4Line;
SetColor(0,i,i,i);
End;
For i:=63 Downto 0 do { Do The FadeOut Raster }
Begin
Wait4Line;
SetColor(0,i,i,i);
End;
Asm
Sti { Turn Interrupt On Again }
End;
POLLMUSIC; { Call The Player To Do Some Music }
{ Must Be Called At Least 18x By Second }
Until KeyPressed;
STOPSONG; { Stop The Player }
CLEARMEM; { Free Memory }
End.