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Gremlin Head-On DRAM self-test. Looking like the RAM tests are working, but there are other problems
Автор: John Hermann
Загружено: 2025-06-26
Просмотров: 31
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The latest version of the self-test assembly looks like it has been correctly testing the DRAMs, but my uni-ROM board developed a problem that was causing false RAM errors. I deduced this and checked to see if the game ROM still worked; it didn't. Not finding any obvious problems with the first uni-ROM pcb, I populated a second one to make sure that the game program would still run; it did. With the second PCB, the RAM test looks to be completing with no errors, but there are probably other bugs that prevent it from running to the very end. With this new progress, I can continue with the development of the assembly code.
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