rehsd16 hours ago1 minCreating New Music for My 65816 Sound CardI 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...
rehsd3 days ago2 minAudio65816 Sound Card: First Song Playback from SD Card (SPI) & Updated Output SchematicI now have the onboard SD Card (SPI for communication) working on my sound card. I ended up going without the hardware shift registers...
rehsdMay 72 minAudioArduino-controlled Programmable Sound Generator, with a Windows InterfaceAs 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...
rehsdMay 62 minAudio65816 Sound Card: First Song Playback from Onboard Media ROMContinued from Sound Card 2.0 PCB Build (rehsdonline.com)... I now have playback working from the media ROM on the sound card....
rehsdMay 51 min6502Eater 6502+PS2+VGA PCB - Building Your OwnPreviously, 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...
rehsdMay 43 min6581665816 Motherboard - Building Your OwnI have received several inquiries from others wondering about building their own version of my 65816 motherboard. If you're interested in...
rehsdApr 301 minAudioEmulator^2 -- Sound Card EmulatorContinuing 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...
rehsdApr 292 minAudioSound Card 2.0 PCB BuildIn 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...
rehsdApr 281 minOther PeripheralsVIA Tester Add-in CardI 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...
rehsdApr 281 minOther PeripheralsJoystick Add-in CardI ended up removing the joystick ports from my sound card design, since I would like to have the primary system processor handle joystick...
rehsdApr 242 min6581665816 Assembly Coding SeriesAs 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,...
rehsdApr 222 min6581665816 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...
rehsdApr 221 min65816USB Mouse Add-in Card for My 65816I'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...
rehsdApr 212 min65816Experimenting with Bus ResistorsAs 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...
rehsdApr 211 minGraphicsSprite TransparencyMy first attempt at sprite transparency... and it's pretty rough. I updated my image conversion application to support converting images...
rehsdApr 163 minAudioSound 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...
rehsdApr 151 min65816ISA Slot Extension and Proto BoardTo facilitate developing new circuits for my 65816 system, I have designed an extension for my bus, leveraging the ISA physical...
rehsdApr 151 min65816LCD Add-In CardWith 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...
rehsdApr 134 min6581665816: Working to Improve SpeedsNow 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...
rehsdApr 104 minAudioSound 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...