I still need to go ahead and add in support for the "undocumented" opcodes just so that I can be sure that the processor is working as advertised.
Finally
I have finally gotten all of the ops working properly. Most of them WERE good, but I had a bug in my BIT opcode which caused some of the evaluations to be weird. Anyway, here's the screenshot:
2 comments:
Very nice. Your progress has been incredibly fast. Does actual gameplay work properly in games yet, despite the colors being slightly off?
Well my sprite engine is not currently coded in. I'm actually going to re-do the PPU code AGAIN as mentioned in an earlier post. So obviously I can't see actual game elements. Having said that though, the general screens change as expected when I press start and such. And in 1942, I can start the game, and get a game over pretty quick for obvious reasons :) Also aparently donkeykong is not a sprite, and he animates just fine :D
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