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APPENDIX B
Note that a write binary (wtb) is used to transmit a mix of characters and non-character codes.
PROGRAMMING WITH PROGRAM CONTROL INSTRUCTION WORDS
These examples use both the commands listed in Section II and instruction words.
End-of-Display (end) and Skip-to-Next-Memory-Page (skp) Instruction Words.
play after the first 100 points of trace A, write "DW 1028" into address 100.
OUTPUT 718;"IP;S2;TS;DA 100;DW 1028:"
In this example, all display memory information beyond address 100 is ignored, including the annotation. Note
that the analyzer is in single sweep, S2, to prevent signal response data from writing over the control word.
Skip control words allow certain portions of the display to be omitted. There are two kinds of skip control words.
The fist enables a skip over the remainder of the present memory page to the beginning of the next memory
page, the second enables a skip to the next control word.
The skip-page and skip-to-next-control-word have been assigned two command codes, PS and SW, respectively
In the example, the annotation was blanked because of the end-of-display written into address 100. If a skip had
been written instead, the rest of the display memory would have been displayed, but the remainder of trace A
would have been omitted.
ADVANCED DISPLAY PROGRAMMING
To end the dis-
A p p e n d i x 1 7
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