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, 2022
- 2 min
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, 2022
- 2 min
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...
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rehsd
- Aug 15, 2022
- 2 min
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
- Aug 15, 2022
- 3 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, 2022
- 8 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, 2022
- 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, 2022
- 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, 2022
- 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...
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rehsd
- Jun 22, 2022
- 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, 2022
- 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, 2022
- 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 15, 2022
- 0 min
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rehsd
- Jun 12, 2022
- 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, 2022
- 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, 2022
- 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, 2022
- 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, 2022
- 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, 2022
- 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, 2022
- 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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