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MVP
From SnesLab
MVP (Block Move Positive) is a 65c816 instruction that copies a contiguous block of memory. It is intended to copy a block from a lower address to a higher address (moving it in the positive direction).
In Eyes & Lichty, the "P" in the mnemonic stands for "Previous" not "Positive."
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| block move | 44 | 3 bytes | 7 cycles per byte moved | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
See Also
External Links
- Eyes & Lichty page on MVP: https://archive.org/details/0893037893ProgrammingThe65816/page/n494
- Labiak page on MVP: https://archive.org/details/Programming_the_65816/page/n164
- snes9x implementation of MVP: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L3077