Not published, original version (coming from FPGAmstrad NEXYS4 v0 backup), just a very little patched to run in Amstrad (see "freemac" occurrence in code)
[[YM2149-MikeJ_backup-2011.zip]]
MikeJ is also author of :
* [http://www.fpgaarcade.com/platforms/ FPGAArcade] platform (Xilinx final platform running AGA Amiga)
* [[T80]] chip (VHDL) used also in FPGAmstrad project