Matej's V810 assembler

MV810ASM is an assembler that produces machine code for the NEC V810 architecture (most notably used in the Virtual Boy and PC-FX). It is easy to use and does not make any assumptions about the machine or environment the assembled code will run on. It also optionally supports Nintendo Virtual Boy-specific instructions and has a ROM-patching mode that makes it easy to develop and test modifications to existing machine code files.

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Current version

The current version is 1.5, released on April 5, 2023.

• DOS
• Win32 (x86)
• Mac OS (680x0) (runs in the MPW environment)
• Mac OS (PowerPC) (runs in the MPW environment)
• OS X (PowerPC)
• OS X (Intel, 32-bit)
• OS X (Intel, 64-bit)
• Executables for Haiku are currently not available. Please use version 1 instead.

Please read the readme file before using.

A changelog is also available.

Previous version

• Version 1 (December 23, 2014): DOS, Win32 (x86), OS X (PowerPC), OS X (Intel, 32-bit), OS X (Intel, 64-bit), Haiku (x86, GCC 2), Haiku (x86, GCC 4), readme