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Amiga MA Magazine 1998 #6
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amigamamagazinepolishissue1998.iso
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coders
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jËzyki_programowania
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pascal
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wwg-crt
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readkey.p
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1997-07-14
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898b
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56 lines
program readkey;
{$I "include:utils/crt.i" }
var
key : char;
i, j, tc, tb : byte;
spalte : integer;
procedure WriteHexChar(c : char);
var
i : integer;
a, b : byte;
begin
a := (ord(c) shr 4) and $0F;
b := ord(c) and $0F;
for i := 0 to 1 do begin
if a < 10 then Write(char(ord('0') + a))
else Write(char(ord('A') + (a-10)));
a := b;
end;
end;
begin
ClrScr;
CursorOff;
tc := GetTextColor;
tb := GetTextBackground;
TextMode(TS_BOLD, 6, 2);
Write('ReadKey: [');
TextColor(3);
Write('q=quit');
TextColor(6);
Write('] > ');
TextMode(TS_PLAIN, 2, 3);
spalte := WhereX;
repeat
Bell;
GotoX(spalte);
key := ReadKey;
WriteHexChar(key);
until key = 'q';
TextColor(tc);
TextBackground(tb);
Writeln;
CursorOn;
end.