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BWPA: Difference between revisions

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(zeros in high nybble)
(all areas write protected)
 
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The [[Bit-Breakdown Diagram]] in the manual appears to suggest that zeros should be written to the high nybble.
The [[Bit-Breakdown Diagram]] in the manual appears to suggest that zeros should be written to the high nybble.
All areas are write-protected on startup.


=== Reference ===
=== Reference ===

Latest revision as of 22:40, 7 July 2024

BWPA is 8 bits wide on the SA-1, located at 2228h. It is initialized to FFh.

The Bit-Breakdown Diagram in the manual appears to suggest that zeros should be written to the high nybble.

All areas are write-protected on startup.

Reference