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rehsd
- Apr 27
- 1 min
VIA Tester Add-in Card
I picked up a large batch of (likely used) VIAs on AliExpress. They were inexpensive ($1.64 USD per VIA), and I don't expect they will...
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rehsd
- Apr 27
- 1 min
Joystick Add-in Card
I ended up removing the joystick ports from my sound card design, since I would like to have the primary system processor handle joystick...
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rehsd
- Apr 24
- 2 min
65816 Assembly Coding Series
As I'm learning and implementing assembly code for my 65816 PC, I'll post periodic updates here. I'm doing OK with the assembly so far,...
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rehsd
- Apr 22
- 2 min
65816 PC Build Update (April 2022)
Back in January, I decided to start building a 65816 "PC." Up to that point, I had built a 6502 system with basic elements of a PC. The...
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rehsd
- Apr 15
- 1 min
ISA Slot Extension and Proto Board
To facilitate developing new circuits for my 65816 system, I have designed an extension for my bus, leveraging the ISA physical...
154 views0 comments
rehsd
- Jan 4
- 6 min
Calling All SPI SD Card Wizards: Troubleshooting SD Card Access with SPI
Full data reading is now working! Progress Updates posted at the bottom... I am currently trying to get an SD Card reader working with my...
188 views0 comments
rehsd
- Jan 2
- 2 min
Working on game music... need storage.
I started working on some music for my game. In this video, I am using the sound card that I built for my 6502 system. All sound is being...
138 views0 comments
rehsd
- Oct 31, 2021
- 2 min
Power Distribution
As I've expanded my 6502 system, power distribution has been a challenge at times. My initial 6502 was built on BusBoard Prototype...
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rehsd
- Oct 22, 2021
- 6 min
Arduino Due, 6502, & SPI... oh my...
Previously, I shared how I was using an Arduino Nano to connect a 6502 to a PC to transfer image data from the 6502 to the PC. See 6502...
146 views0 comments