Conway's Game of Life: Difference between revisions
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=={{header|68000 Assembly}}==
I went a little further and created a 40x30 grid, but this implementation is accurate and does have a blinker in it. As always, thanks to Keith of Chibiakumas for the cartridge header and hardware routines. This is the source code for a Sega Genesis game that you can compile with VASM. (It was tested in the Fusion emulator but it should work anywhere.)
Explanation of the implementation:
* I'm using the Genesis's foreground tilemap to create the graphics.
* Grid boundaries are handled by using the classic trick of padding all sides with a value that's not used in the "real" grid, and always counts as a dead cell.
* Every iteration of the main loop does the same thing: check neighbors of each cell in the grid, write the next generation to a buffer, copy that buffer over the original, and display the output. This way, updates don't impact the outcome of the rest of the cells down the line (which would go against the rules of the game, as all cell births/deaths happen simultaneously.)
Explanation of macros:
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