Remote-processing BASIC 52 Bedienungsanleitung PDF herunterladen (Seite 58)

RPBASIC-52 PROGRAMMING GUIDE

2-39

EXAMPLE

The following example gets characters from the receive buffer and generates a checksum. A string of 10

characters is entered at com port 0.

10 STRING 200,20

20 PRINT "Type in 10 characters. Characters are not echoed"

30 IF COM(0) < 10 THEN 30

40 $(0) = com$(0)

50 CKSUM = 0

60 FOR N = 1 to STR(0,$(0))

70 CKSUM = CKSUM + ASC($(0),N)

80 NEXT

90 PRINT "Checksum of incoming string:",CKSUM

>run

Type in 10 characters. Characters are not echoed

(1234567890 are entered at the keyboard)

Checksum of incoming string: 525

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 162 163

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Remote-processing BASIC 52 Bedienungsanleitung Seite 58