VGA Card for 65816 PC - Step 1: Basic Circuit
Continuing from A Start to Video Output for My 65816... I am working on the core circuit for my VGA card. I am targeting 320x240x1byte....
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rehsd
Jan 31, 20221 min read
A Start to Video Output for My 65816
For my "VGA 2.0" circuit, I am going to try and get 320x240x1byte running. To support this, I will be using three IDT7007 dual-port SRAM...
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rehsd
Dec 21, 20213 min read
FPGA VGA for 6502 : First Run
I've made some decent progress getting my FPGA VGA working on my 6502 system. My goal is to have a "smart display" to replace the current...
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rehsd
Dec 19, 20211 min read
Cmod A7 FPGA : Video Test Pattern Generator
Below is the configuration I used to get the Xilinx Video Test Pattern Generator (TPG) working on a Digilent Cmod A7 FPGA. This is based...
231 views7 comments
rehsd
Dec 18, 20212 min read
VGA from Cmod A7 Working
Update: I have it working. See postscript at the bottom of this post. I am attempting to get the Arty Pmod VGA Demo running on a Digilent...
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rehsd
Dec 18, 20211 min read
Prepping My 6502 System for FPGA VGA
I made some updates to my 6502 system to get it ready for my FPGA VGA. Previously, my USB mouse took ten VIA pins (a bit of laziness on...
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rehsd
Dec 15, 20212 min read
FPGA VGA for 6502 System - Initial Prototyping
I am currently working on building an improved VGA circuit for my 6502 build. My goal is to offload the video processing and have better...
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rehsd
Dec 13, 20215 min read
Arty VGA Walkthrough
If you are looking to add the VGA Pmod to your Arty A7 and control output from MicroBlaze, the following are the steps I have taken to...
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rehsd
Dec 11, 20211 min read
Arty VGA Output from MicroBlaze
Continuing from my post FPGA VGA for 6502: Brainstorming... I am trying to find a decent solution to control VGA output from MicroBlaze....
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rehsd
Dec 9, 20213 min read
FPGA VGA for 6502: Brainstorming
I am currently brainstorming ways to add an FPGA-based VGA circuit to one of my 6502 builds. And... I have questions. :) As part of my...
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rehsd
Oct 3, 20212 min read
My 6502+VGA+PS2+... a little background...
As this is my first blog post here, I better provide a brief background of how I got to this point with my 6502 build. I started with Ben...
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