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- {->>>>RelayOn<<<<----------------------------------------------}
- { }
- { Filename: RELAYON.SRC -- Last modified 7/14/88 }
- { }
- { This one quite simply energizes the cassette relay, which }
- { closes 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.) The specs allow for 1 amp through the }
- { relay, but having inspected the relay I would play it safe }
- { and attempt no more than half an amp. }
- { }
- { From: COMPLETE TURBO PASCAL 5.0 by Jeff Duntemann }
- { Scott, Foresman & Co., Inc. 1988 ISBN 0-673-38355-5 }
- {--------------------------------------------------------------}
-
- PROCEDURE RelayOn;
-
- VAR
- Regs : Registers;
-
- BEGIN
- Regs.AH := 0; { AH = 0 -- Service that turns motor on }
- Intr($15,Regs)
- END;