Advantech PCL-848A/B Bedienungsanleitung Seite 27

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CHAPTER 3 PROGRAMMING REFERENCE
21
3.4.7. INIT
Purpose :
This aommand initializes the interface card and sets the relative parameters. It can be
neglected if the parameters used are all default values.
Offset :
INIT%=0
Syntax :
CALL INIT%(IOPORT%,MYADDR%,SETTING%) ----BASIC
CALL ABSOLUTE(IOPORT%,NYADDR%,SETTING%,INIT%)
----HASIC Compiler
Parameter :
IOPORT% - I/O port of NEC7210, from hex 008 to hex 2F8 by increment of
hex 010. The value is the I/O base address plus 8. The default
value is hex 2B8 since the base address (determined by SW1) of
this card is set to hex 2B0 at factory.
MYADDR% - IEEE-488 address of the IEEE-488 interface card. The range-is
from 0 to 30. The default value is 21.
SETTING% - An integer (16 bit) to set the DMA LEVEL, IRQ LEVEL and
other parameters. The default value is 0, i.e., 8ASIC interpreter,
system controller, no IRQ and no DMA.
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