5 - Znax: Best gfx of the lot, funny game. However Pulko, I thought you knew how to display sprites without having a music slowing down??
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I ran out of time to optimize things, and out of memory space. I'm fitting the 4 screens (menu, game, how to play, high scores - 2 of which are fullscreen) in 64K of RAM, there is few space left for the code and music.
Remember that I wrote the initial code back in 2008 and it was my first try at z80 assembler.
I would have put the music under interrupts, but that was not possible in the menu (because interrupts are cut at several places to have stable raster effects), and I didn't have space for a different playroutine call specially for the game screen.
Maybe I can try to free a few spare bytes and make this work.