We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
MVN: Difference between revisions
From SnesLab
(added Eyes & Lichty mnemonic) |
(added E&L page) |
||
| Line 43: | Line 43: | ||
=== See Also === | === See Also === | ||
* [[MVP]] | * [[MVP]] | ||
=== External Links === | |||
* [[Eyes & Lichty]] page on MVN: https://archive.org/details/0893037893ProgrammingThe65816/page/n492 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
Revision as of 22:41, 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 | |
| . | . | . | . | . | . | . | . | |