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RELAYOFF.PAS
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Pascal/Delphi Source File
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1988-07-14
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943b
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23 lines
{->>>>RelayOff<<<<---------------------------------------------}
{ }
{ Filename: RELAYOFF.SRC -- Last modified 7/14/88 }
{ }
{ All we do here is de-energize the cassette relay, opening }
{ the contacts across pins 1 and 3 of the cassette DIN }
{ connector on the original PC. (XT's and AT's do not have }
{ the cassette relay.) }
{ }
{ From: COMPLETE TURBO PASCAL 5.0 by Jeff Duntemann }
{ Scott, Foresman & Co., Inc. 1988 ISBN 0-673-38355-5 }
{--------------------------------------------------------------}
PROCEDURE RelayOff;
VAR
Regs : Registers;
BEGIN
Regs.AH := 1; { AH=1 -- Service that turns motor off }
Intr($15,Regs)
END;