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rehsd
Nov 16, 20221 min read
80286 Build #2 (Intel Basic System Configuration), Part 3
This is part three of my blog posts on my 286 basic system build. At this stage, PS/2 keyboard input, interrupts, and LCD output are...
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rehsd
Nov 14, 20224 min read
Working on Interrupts
Current Status: RESOLVED I am currently working to get interrupts running on my 286 system. I am starting with a simple low-to-high...
118 views0 comments
rehsd
Nov 6, 20221 min read
80286 Build #2 (Intel Basic System Configuration), Part 2
Continued from 80286 Build #2 (Intel Basic System Configuration)... Initial PCBs Ordered I ordered a set of PCBs to see if I can get the...
241 views4 comments
rehsd
Nov 6, 20221 min read
Power Distribution, Clock, & Reset PCB v2
I have completed a PCB that combines my previous power distribution and clock/reset PCBs. So far, I am loving this new card. Schematic...
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rehsd
Oct 22, 20221 min read
Too many ICs... and how I track them
I developed a very basic app to track my IC inventory. In this video, I share a little bit about the app and how I use it.
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rehsd
Oct 22, 20222 min read
80286 Build #2 (Intel Basic System Configuration)
I am starting plans for build #2 of a '286 breadboard-based system. With this build, I hope to implement the full "basic system...
226 views0 comments
rehsd
Oct 18, 20224 min read
Driving a 1602 LCD with a 286 Processor!
I have been working on a breadboard-based 80286 system. Recently, I made it to a nice milestone -- I can now drive a 1602 LCD! This is a...
247 views0 comments
rehsd
Oct 16, 20221 min read
80286 Resources
As I come across resources that I find helpful in my '286 build, I will share them here. If you have suggested additions, please drop me...
166 views4 comments
rehsd
Oct 10, 20223 min read
Start to an 80286 System
I am spinning up a new project -- a breadboard-based 80286. I have not worked with x86 processors from a design perspective before. The...
943 views2 comments
rehsd
Oct 7, 20221 min read
Arduino ZIF - Testing C64 PLAs
I designed a simple Arduino shield that has a 40-pin ZIF socket to provide easy access to ICs from the Arduino. I plan to use this as a...
576 views2 comments
![Commodore [References]](https://static.wixstatic.com/media/66a162_9993eac020cb4c1b9609f0fde79dd362~mv2.jpg/v1/fill/w_1152,h_504,fp_0.50_0.50,q_90,enc_auto/66a162_9993eac020cb4c1b9609f0fde79dd362~mv2.jpg)
rehsd
Sep 12, 20221 min read
Commodore [References]
As I learn my way into Commodore computers, I will post here any resources that I find helpful (recommendations from others, ones I find...
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rehsd
Sep 12, 20222 min read
Trying to Repair Some Commodore Computers!
I thought it would be interesting to see if I could repair some Commodore computers. I picked up four VIC-20 and two C64 computers that...
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rehsd
Sep 4, 20224 min read
16-bit Processor Build - Initial Assembly (cont.)
Continued from 16-bit Processor Build - Initial Assembly... 4 September, 2022 I have assembled two new PCBs. One PCB covers add,...
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rehsd
Sep 2, 20222 min read
Interrupt Support for My 16-bit Processor
I am researching how to best implement interrupt support for my 16-bit processor. I received some nice input in this Reddit discussion...
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rehsd
Aug 19, 20222 min read
New to SMT soldering - Trying five different ways to solder a TSSOP-48
This is my first attempt at soldering SMT ICs. In this video, I try five different ways to solder a TSSOP-48 onto a PCB. For those of you...
92 views0 comments
rehsd
Aug 15, 20222 min read
ISA Slot & Edge Wear
I have been using ISA slots and ISA edge connectors on many of my recent builds. I was asked some great question about durability...
38 views0 comments
rehsd
Aug 15, 20223 min read
16-bit Processor Build - Design Work, part 2
Continued from 16-bit Processor Build - Design Work, part 1... Currently-planned Instructions My current plan is to have approximately 40...
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rehsd
Jul 29, 20228 min read
16-bit Processor Build - Initial Assembly
I have started the hardware build of my 16-bit processor. In this running post, I will share progress updates and lessons learned as I...
340 views0 comments
rehsd
Jul 20, 20229 min read
16-bit Processor Build - Design Work, part 1
As I have my VHDL-based prototype of my 16-bit processor running, I am now starting the design work on an actual hardware implementation....
426 views0 comments
rehsd
Jul 9, 20221 min read
Building an Assembler for My 16-bit Processor
I have started building an assembler for my 16-bit processor (prototyping in VHDL, later will implement in hardware). Initial assembler...
101 views0 comments
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