Keithley IE-488 Manual page 43

DNA DATA TRANSFERS
APPENDIX A
(&HFF) r
the user would use the VARPTR command as shown.
10 DIM X%(2)
20 IE488 = 0 : BRD% = 0 : FLG% = 0
30 CMD$ = "OUTPUT dev#[WD,0,151"
'word = 2 bytes
40 A$ = "THIS IS THE STRING TO TRANSFER IN DMA"+CHR$(13)+CHR$(lO)
50
x%(l) = (vARPTR(A$) + 1)
60 X%(O) = &HFFFF 'use basic's data segment
70 CALL 13488 (CMD$, X%(O), FLG%,BRD%)
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