Monday, 5 September 2016

Atari 2600 progress...

A week has passed, there has been no coffee, and several glasses of wine and beer - yet the coding continues, so I guess coffee is not a definite requirement :)

I wasn't sure about the timing of the middle 16 lines of the screen but all of the core graphical artifacts are working without too much cycle counting (just a little code rearranging and moving bits code out of their logical location to be executed on the previous scanline etc.)


work-in-progress screenshot

Using 45 bytes of RAM (being quite carefree here - 10 extra bytes used in just 1 week!) and 1310 bytes of ROM (so 83 bytes of RAM and 2786 of ROM left to implement AI, gameplay, and a title screen...)




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