#20 - Extended RAM, ground distribution, monitor speed - BB816 Computer
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In this video, I add 512K of extended RAM to the computer, making use for the first time of the extended address space of the 65C816. Additionally, I improve the ground distribution on the breadboards, and work on speed optimization for the Teensy monitor
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
00:58 Adding Extended RAM to KiCad
04:11 Breadboard implementation
06:42 Coding memtest in assembly
12:06 Testing new program
18:06 Ground distribution fixes
22:57 Pulse clock improvement
23:37 Monitor speed optimization
35:04 Outro