Surprising to see that "Miner 2049er" game loading screen - I wrote Miner 2049er, but for the Vic-20 back in '82. I wonder if someone else ported it? I shipped

Surprising to see that "Miner 2049er" game loading screen - I wrote Miner 2049er, but for the Vic-20 back in '82. I wonder if someone else ported it? I shipped the game with the source code, so people could muck with it, as people did back then...