LAMBDA 10-2 OPERATION MANUAL – REV. 2.04 (20120224)
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A similar subroutine can be used to hold the computer in a loop until the carriage return (13)
is received.
BUSYCHECK:
IF LOC(1) > 0 THEN SerialInput$ = INPUT$(1, #1)
IF ASC(SerialInput$)=13 THEN RETURN
GOTO BUSYCHECK