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Block Move Addressing: Difference between revisions
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The total number of bytes copied is the value in the [[C accumulator]] plus one. If a block move is interrupted, the current byte copy is completed, then the interrupt is serviced. | The total number of bytes copied is the value in the [[C accumulator]] plus one. If a block move is interrupted, the current byte copy is completed, then the interrupt is serviced. | ||
==== Syntax ==== | |||
[[Asar]]: | |||
<pre> | |||
MVN srds | |||
</pre> | |||
=== References === | === References === | ||
Revision as of 20:51, 13 July 2024
Two instructions use Block Move Addressing on the 65c816:
The total number of bytes copied is the value in the C accumulator plus one. If a block move is interrupted, the current byte copy is completed, then the interrupt is serviced.
Syntax
Asar:
MVN srds
References
- Eyes & Lichty, page 388: https://archive.org/details/0893037893ProgrammingThe65816/page/n414
- "Block Moves" on page 103, lbid: https://archive.org/details/0893037893ProgrammingThe65816/page/103
- section 3.5.9 of 65c816 datasheet, https://westerndesigncenter.com/wdc/documentation/w65c816s.pdf