SB-BASE, ndc

Some things to be added

hex-str <- BINTOSTR(bin)

Returns a hex-string of the binary data 'bin'

bin <- HEXTOBIN(hex-str)

converts hex-string to binary

ON x CALL UDF1 [, ...]

ON KEY x GOTO label
ON KEY x USE UDF

ON ERROR [{GOTO label | USE UDF}]
RESUME
ON ERROR RESUME
ON ERROR STOP

ON BREAK {GOTO label | STOP | IGNORE}
