#15 - Adding RAM - BB816 Computer

Published: 28 January 2022
on channel: Adrien Kohlbecker

1,636

104

Become a Patron: / adrienkohlbecker

---

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

On this page of the site you can watch the video online #15 - Adding RAM - BB816 Computer with a duration of hours minute second in good quality, which was uploaded by the user Adrien Kohlbecker 28 January 2022, share the link with friends and acquaintances, this video has already been watched 1,636 times on youtube and it was liked by 104 viewers. Enjoy your viewing!

277