TI-99/4A - SRAM Replacement and Crazy Data Bus! (Part 3)

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Today I continue with the stubborn TI-99/4A that I have been working on for a couple episodes. After changing a ROM with an EPROM, now I'm trying out some new SRAM to improve the data bus. I run into problems, but I have a lucky breakthrough that allows me to keep moving forward.

Chapters:
00:00 Intro
00:38 Testing out new SRAM
03:51 Isolating the problem
10:33 Ice treatment!
11:53 Data bus layout
12:36 Reading the ROMs
16:55 Testing with the correct ROM
19:05 Getting video out
21:32 Conclusion

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