I want to put together a softcore 68K computer system, just something simple. I’ve purchased, but not yet received, the Terasic Cyclone V GX Starter Kit, an Altera FPGA eval board. It looks pretty sweet and...
Entertainment
Food & Drinks
my mini-review of the IKALOGIC Scanalogic-2 PRO logic analyzer
As many of you know, I maintain a comparison page of sub$1000 logic analyzers here. I previously owned both a LogicPort and a Saleae Logic unit. I just received in the mail an IKALOGIC Scanalogic-2 PRO logic analyzer. ...
Lifestyle
EEVBLOG does a video teardown on the Amiga 500!
Dave just posted this! I’m so glad to see him take this on!
progress on amiga vsc made this weekend, VSYNC problem persists
Worked on the Amiga VSC this past weekend at Notacon with my super smart friend Brian P. We made some progress, including eliminating all but the smallest HSYNC related bugs. There is still a problem that is haunting...
Video artifacts present in scan doubled video
I uploaded a video to youtube that shows some video artifacts happening with the scan doubled video. The entire video shakes as if interlaced, but it’s not. Original res 320×200(15.7khz), doubled to...
Latest articles
Fixed point number formats: might use 16.16
So for my fixed point number format for my 3D project, I’ve come up with a few possibilities : I think a 16.16 number format might work for me. This means I’ll represent the whole portion via one 68k word...
Adding Yamaha YM2612 support has begun
So after much time talking about it, and doing research, I’ve finally got around to spending some time on adding Yamaha YM2612 support to the badge computer. I created a small verilog driver that read the...
Updated hope badge computer
Here’s the current image for the Hope Badge Computer, which I really think needs a new name. It’s not quite a badge, although the intention is for it to be portable. Last night, I partially integrated the...
OT: Century III Mall, not quite a dead mall, but sure heading that way
Century III Mall is an ailing enclosed shopping mall located in the southern Pittsburgh suburb of West Mifflin, Pennsylvania. I lived nearby this mall, and this was definitely “our” mall for kids like me...
Performance of the Hope Badge Computer
I’ve just managed to get some key components working this year, and as a result, the machine is becoming more usable. I wanted to measure the performance of this Frankenstein machine. Ideally, I’d use...
Graphics Primitives are working, at least mostly.
So we’ve got a frame buffer now which means we can start writing 68K routines to write graphics into it. So here I’m playing around with lines and circles. I’m using a random line drawing routine from...
