144000 INT 14 - I1541 - INSTALLATION CHECK 144001 INT 14 - I1541 - TEST IF 1541 CABLE CONNECTED 144002 INT 14 - I1541 - SELECT LPT PORT FOR OUTPUT 144003 INT 14 - I1541 - RESET ALL DEVICES 144004 INT 14 - I1541 - SEND LISTEN SIGNAL 144005 INT 14 - I1541 - SEND SECONDARY ADDRESS FOR LISTEN 144006 INT 14 - I1541 - SEND UNLISTEN SIGNAL 144007 INT 14 - I1541 - SEND TALK SIGNAL 144008 INT 14 - I1541 - SEND SECONDARY ADDRESS FOR TALK 144009 INT 14 - I1541 - SEND UNTALK SIGNAL 14400A INT 14 - I1541 - SEND A BYTE TO A DEVICE 14400B INT 14 - I1541 - RECEIVE A BYTE FROM A DEVICE 14400C INT 14 - I1541 - WAIT 14400D INT 14 - I1541 - LONGWAIT 14400E INT 14 - I1541 - GET INFO