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
- 3 days ago
- 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...
46 views0 comments
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...
361 views0 comments
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....
27 views0 comments
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...
111 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...
217 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...
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rehsd
- Apr 29
- 2 min
Sound Card 2.0 PCB Build
In this running post, I will share the buildout of my sound card for my 65816 PC. Having the PCB in hand, I can say this will be the...
449 views0 comments
rehsd
- Apr 28
- 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...
19 views0 comments
rehsd
- Apr 28
- 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...
29 views0 comments
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,...
101 views0 comments
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 22
- 1 min
USB Mouse Add-in Card for My 65816
I'm working with what I have... I have a 65816 computer, and I want a USB mouse. I have a 6502 computer with USB mouse support. I have...
187 views2 comments
rehsd
- Apr 21
- 2 min
Experimenting with Bus Resistors
As I have now found some nice stability with my 65816 system running at 14.16 MHz, I thought I would come back to bus resistors and see...
22 views0 comments
rehsd
- Apr 21
- 1 min
Sprite Transparency
My first attempt at sprite transparency... and it's pretty rough. I updated my image conversion application to support converting images...
18 views2 comments
rehsd
- Apr 16
- 3 min
Sound Card 2.0: Breadboard Build (running post)
I am working on the breadboard build of my Sound Card 2.0. I'll use this post for updates on my progress. I figure the breadboard build...
162 views0 comments
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...
121 views0 comments
rehsd
- Apr 15
- 1 min
LCD Add-In Card
With my 65816 system up and running, I can now start working on add-in cards. A simple one to start: an LCD. I designed the PCB to be...
101 views0 comments
rehsd
- Apr 13
- 4 min
65816: Working to Improve Speeds
Now that I have my 65816 motherboard working, I would like to improve speeds. The symptom that I see (and would like to improve) is that...
186 views2 comments
rehsd
- Apr 10
- 4 min
Sound Card 2.0 for 65816 PC (maybe a little overboard, but I'm OK with that)
I'm getting close to having my 65816 PC updated with rev 1.1 PCBs (for the motherboard and video memory card). I have a plan for a USB...
305 views4 comments