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MVN: Difference between revisions
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'''MVN''' (Block Move Negative) is a [[65c816]] instruction that copies a contiguous block of memory. It is intended to copy a block from a higher address to a lower address (moving it in the negative direction). | '''MVN''' (Block Move Negative) is a [[65c816]] instruction that copies a contiguous block of memory. It is intended to copy a block from a higher address to a lower address (moving it in the negative direction). | ||
In [[Eyes & Lichty]], the "N" in the mnemonic stands for "Next" not "Negative." | |||
[[File:mvn.png|thumb]] | [[File:mvn.png|thumb]] | ||
Revision as of 21:01, 15 May 2023
MVN (Block Move Negative) is a 65c816 instruction that copies a contiguous block of memory. It is intended to copy a block from a higher address to a lower address (moving it in the negative direction).
In Eyes & Lichty, the "N" in the mnemonic stands for "Next" not "Negative."
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| block move | 54 | 3 bytes | 7 cycles per byte moved | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |