MS² - MoonSound Music Studio

A MoonSound tracker based on MML technology, for MSX-DOS2 and 256K RAM, designed to use the OPL4 to its fullest!

TuNzIp - ZIP decompressor for MSX-DOS2

TuNzIp is the first decompressor on MSX that works with the ubiquitous "deflate" algorithm. This allows you to compress ZIP files anywhere and decompress them on MSX running MSX-DOS2.


GBASIC (or G-Basic) is the MSX-BASIC extension for Gfx9000 and Video9000. Initially developed by Koen van Hartingsveldt of Sunrise, TNI now participates in development. GBASIC implements the V9990 screenmodes, VDP and graphic related statements and functions by using a 'G' prefix.

Bounce 2004

A demo for the Bounce Challenge. Showing some never before seen tricks on MSX2 with MSX-MUSIC (FM-PAC).

tniASM - Macro Assembler

tniASM v1.0 is a powerful yet easy to use processor-agnostic and assembly-agnostic macro assembler for 32-bit Windows and 64-bit Linux.

tniNES - an iNES ROM image tool

tniNES is an open source program, licensed under the GPL (v3+), to edit and otherwise manipulate NES ROM-images in iNES-format (.NES files), used by emulators like iNES, NESticle and fwNES. tniNES is written in QuickBASIC, with MS-DOS in mind.


A classic arcade shooting game, reaching 2nd place in MSXdev'09.

Using frame alternating for showing about 50 colours on 1st generation MSX computers, the 10 levels of challenging gameplay will have you playing to the end!

ROMLOAD - ROM image loading tool

Inspired by Sean Young's SCROM, ROMLOAD started as a fairly simple tool to load and execute a ROM in a Konami Sound Cartridge like Snatcher and SD-Snatcher.


A humoristic shooting game for Passion MSX2 Contest (2009), full of double meanings!

DSR2TOOLS - DalSoRi R2.0 toolset

DSR2TOOLS are a set of tools for the DalSoRi R2.0 OPL4 sound extension.

GEM - Gameboy Emulator for MSX

GEM runs on MSX2 and above, but is optimized for MSX turboR. Written in 100% assembly and employing advanced translation techniques, GEM is able to run Gameboy games at playable speeds.

Pointless Shooting

One of our MSXdev'06 entries. Shoot as much as you can, but avoid getting hit or hitting anything.

Pointless Platform

One of our entries for the MSXdev'06 competition, a quick humorous game.

Hi-Spec Snowfall

A demo for the Snowfall Challenge. It needs Gfx9000 and works on MSX2, although MSXturboR is recommended.

PSQTOOLS - PlaySoniq toolset

PSQTOOLS are a set of tools for the PlaySoniq module.