Interface select codes (ISC) specify hardware interfaces that connect the computer to devices. Some ISCs are fixed:
|
ISC
|
Fixed Devices
|
|
1
|
CRT display
|
|
2
|
Keyboard
|
|
3
|
Graphic display
|
|
6
|
Bit mapped graphic
|
|
10
|
Windows Print Manager
|
|
26
|
Parallel Port
|
|
32
|
Processor
|
Others can be specified when the device is loaded with LOAD BIN. If the ISC is not specified, the following defaults are used:
|
ISC
|
Loadable Devices
|
|
7
|
GPIB Board
|
|
8
|
2nd GPIB Board
|
|
9
|
RS-232 Port (COM1)
|
|
11
|
2nd RS-232 Port (COM2)
|
|
12
|
GPIO Board
|
|
18
|
Several data acquisition boards
|
