Porting Ilmenit's Mona to the Atari ST

Yes, some image degradation happened over the centuries. What can one do

Ever since I saw Ilmenit’s fantiastic, highly artistic intro Mona I have been entertaining the thought of making an Atari ST port. Here’s how it came into existence.



Blaster sprites

Blaster Sprites, Advanced

Update on emulator issue, Oct 31st, 2018

Atari legend Nicolas Pomarède points out that it doesn’t really make sense to combine the NFSR and FXSR bits the way I do. And he’s right!

My mistake was relying on emulators while writing this, and using the NFSR and FXSR bits this way was the only way I could make it work. So…


Someone to figure out what is going wrong here. Please email me your findings at per@brainfish.net - thanks in advance!

v 1.04, Oct 23rd, 2018 - There was bug in X clipping when showing fewer than the 16 rightmost pixels. It displayed fine in STEem, which is why I missed it.