REM The COMM function provides a low level driver to either
REM the "DEV" port (COM1) or the "COM" port (COM0).

GLOBAL index AS INTEGER, temp AS INTEGER

PRINT "\010\013COMM transmit...\010\013"

FOR index=32 TO 126
	temp=COMM(0,1,index):REM port 0, mode 1, data to be sent
NEXT

REM The COMM function can receive as well.
REM The SBC2000-074 and SBC2000-062 can only buffer a single input character.

PRINT "\010\013COMM receive...\010\013"

DO
	temp=COMM(0,0,0)
	PRINT temp
LOOP UNTIL temp=-1