XL2S Entertainment

Realfun 3

A new work in progress tracker on MSX for SCC, PSG and SN soundchips.

Play with Realfun in your browser!

Look and listen to Realfun on youtube!


The latest Realfun 3! - needs an MSX with GFX9000, Dos 2 and of course an cartridge with an SCC for sound!

The latest Realfun 3 replayer! - Z80 replayer with source and example rom!


A clone of a well known game, for MSX (with 64KB RAM) and ColecoVision (with SGM). We are working on it since 2006 or so, so it should be finished soon!

It will include a lot of caves and a couple of 2 player modes. On MSX you can load some BDCFF files and - even better - create your own levels with the level editor.

Watch Dash! on youtube!


Pletter is a compression package to compress data on pc to use it on MSX. Pletter is a somewhat improved Bitbuster.


Pletter version 0.5c has an option to include the original size in the packed data. If you use this, you have to update the unpacker.

Pletter 0.5c1 - pletter.exe for PC, unpack.asm for MSX.

Pletter 0.4a - The old one, smaller de-compressor and you can decide on the look back buffer size yourself - pletter.exe for PC, unpack.asm for MSX.


Sjasm is a Z80 assembler with lots of features. It runs on PC running Windows or Linux, but the sources are included so it should be possible to compile it on other systems as well.

Sjasm 0.42 online manual


Sjasm 0.42c - Win32 executable, a debian linux executable and sources.


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XL2S Entertainment 2022