With it being the 40th anniversary of the launch of the Sinclair ZX81 we have special guest on the show this week. Johan Koelman develops new games for the ZX81 all using its original 1K of RAM. Johan explains how he got in developing for the ZX81 and why he is releasing brand new games for a 40 your old computer. He explains what emulator you can use to try out the games and how he develops the games.
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