#15 - Adding RAM - BB816 Computer
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In this video, I hook up the 62256 SRAM. I go into details on the timing of this circuit and then write a program to test all the memory locations, to confirm that it works properly.
Join me in discussing this project in the 6502 forums: http://forum.6502.org/viewtopic.php?f...
View the source code and schematics shown in this video: https://github.com/adrienkohlbecker/B...
The most recent source code and schematics are available here: https://github.com/adrienkohlbecker/B...
Chapters:
00:00 Intro
00:22 Discussing 62256's datasheet
02:14 Adding the RAM to KiCad
04:47 Read cycle timing
09:06 Write pulse design
14:33 Write cycle timing
18:54 Breadboard implementation
22:07 Coding test program
25:30 Executing test program
32:28 Finishing touches
33:13 Outro