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B3
View B
The B3 command displays trace B and stops the sweep. Thus, the trace is not updated.
When B3 is executed, the contents of trace B are stored in display memory addresses 1025 through 2025. B3
writes the instruction word 1048' to address 1024. Therefore, any information stored in address 1024 is lost when
B3 is executed.
If you have used address 1024 for a graphics program or label, you may wish to save its contents before executing
B3.
For additional information, refer to Appendix A. The functions of the B3 command and front panel m key are
identical. (See VIEW, A3, KSj, and TRSTAT.)
1048 is a machine instruction word that sets addresses 1025 through 2047 to zero, and draws trace B dimly.
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4 8 P r o g r a m m i n g
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