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...
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rehsd
- 2 days ago
- 1 min
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
- 5 min
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...
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rehsd
- Jul 20
- 9 min
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....
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rehsd
- Jul 9
- 1 min
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...
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rehsd
- Jun 24
- 6 min
Building a 16-bit CPU on an Arty Z7-20
I am hoping to learn more about processors by building a 16-bit processor. I previously built an 8-bit processor based on Ben Eater's...
175 views2 comments
rehsd
- Jun 22
- 2 min
16-Bit Processor (Approach to Bus and Modules)
I have previously built an 8-bit processor (my 8-bit) using Ben Eater's video series. Since then, I have been spending time on 6502 and...
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rehsd
- Jun 20
- 1 min
Eater 8-bit CPU Emulator for my 65816 System
To practice my 65816 assembly, and refresh myself on Ben's 8-bit CPU... And an emulator running inside an emulator... 🙂 On my Windows...
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rehsd
- Jun 17
- 2 min
65816 System - June 2022 General Update
In January of this year, I decided to try to build a new system based on the 65816 processor. It has now been almost five months, and I...
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rehsd
- Jun 12
- 1 min
480x320 Debug LCD for 65816 System
To enable more verbose debug logging at runtime, I have added a higher-resolution LCD. Communication from the 65816 is handled with SPI....
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rehsd
- Jun 9
- 1 min
65816 - Cached sprites, a joystick, and Mario enters the scene.
I have been posting updates to 65816 Assembly Coding Series, but I know people may not catch updates to existing, running blog posts. The...
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rehsd
- May 30
- 1 min
65816 Sound Card Substantially Complete!
My sound card is now substantially complete, and I can continue working on system assembly code to better utilize it. I have the sound...
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rehsd
- May 16
- 2 min
Creating New Music for My 65816 Sound Card
I was getting a bit tired of the previous song I had been using for my sound card testing. 1SMHARRIS suggested a song to try out next. In...
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rehsd
- May 14
- 2 min
65816 Sound Card: First Song Playback from SD Card (SPI) & Updated Output Schematic
I now have the onboard SD Card (SPI for communication) working on my sound card. I ended up going without the hardware shift registers...
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rehsd
- May 7
- 2 min
Arduino-controlled Programmable Sound Generator, with a Windows Interface
As I've been making some good progress on my sound card for my 65816 system (see /audio), I thought it would be good to start building...
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rehsd
- May 6
- 2 min
65816 Sound Card: First Song Playback from Onboard Media ROM
Continued from Sound Card 2.0 PCB Build (rehsdonline.com)... I now have playback working from the media ROM on the sound card....
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rehsd
- May 5
- 1 min
Eater 6502+PS2+VGA PCB - Building Your Own
Previously, I designed a PCB for my 6502, PS/2 keyboard, and VGA. The design is based on Ben Eater's video series. The only addition I...
216 views0 comments
rehsd
- May 4
- 3 min
65816 Motherboard - Building Your Own
I have received several inquiries from others wondering about building their own version of my 65816 motherboard. If you're interested in...
321 views0 comments
rehsd
- Apr 30
- 1 min
Emulator^2 -- Sound Card Emulator
Continuing with my 65816 Emulator series, my 65816 PC build is now to the point where an emulator for my sound card would be helpful. I...
26 views0 comments