APPENDIX E
IBM PC OR AT
(CAPITAL EQUIPMENT CORPORATION PC < > 488 INTERFACE)
The following program sends a command string to the Model 263 from an IBM PC or AT com-
puter and displays the instrument reading string on the CRT. The computer must be equipped
with the CEC Interface and the DOS 2.00 (or later revisions) operating system.
DIRECTIONS
1. Using the front panel program feature, set the primary address of the Model 263 to 8.
2. With the power off, connect the Model 263 to the IEEE-488 interface installed in the IBM
computer.
3. Type in BASIC4 on the computer keyboard to get into the IBM interpretive BASIC language.
4. Enter the lines below using the return key after each line.
5. Run the program and type in the desired command string. For example, to place the instru-
ment in the current function and 2@4 range, type in FlR9X and press the return key.
6. The instrument reading string will then appear on the display.
PROGRAM COMMENTS
1MO
HEkDINGB=SPACE*1165
118 CALL ENTER <RERDINGB, LENC;TH::r I WT. ~DDRESS’%I
STATCI!:): :n
’ Memory address.
’ Routine addresses.
’ PC < > 488 address.
’ 263
address.
’ System controller.
’ Initialize system.
’ Prompt for string.
’ Send command stxing.
’ Make room for data.
’ Get reading from 263.
’ Display reading.
’ Repeat.
140
END
NOTE: For conversion to numeric variable, make the following changes:
E-2
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