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Machinist X99 Motherboards?

VCFed about 9 hours ago

I was looking at AliExpress and was startled to see motherboard kits being offered for around USD$100, which include CPU and 32GB of DDR4/ECC (strange!) RAM. They seem to be popular with the Russian crowd. Are they worth investigating? …

Arcade Cores • Mortal Kombat 1 Arcade - What went wrong ?

MISTerFPGA about 10 hours ago

Hi,Mortal Kombat 1 Arcade was supposed to be released in october but nothing.I especially upgrade to dual ram and digital board for it....What went wrong ?Thanks …

Neo Geo 4 Slot Graphic Glitches

Neo Geo Forums about 1 day ago

I have a 4 slot board that was recently repaired after reporting backup RAM and video RAM errors. Now the games will boot, but with graphical bugs. Any idea what could be the cause? It's consistent with different cartridges across different slots. …

Zenith ZWL 0326 (based on 386sl 25 MHz)

VCFed about 2 days ago

Hi ALL ! I received this wonderful laptop made by Zenit Data System, it is in good condition and works. Unfortunately, the HDD type Coner CP 2124 is faulty, but the laptop works with a 1 MB CF card. Everything is fine, but the problem is that there is only …

Bootstapping Cromemco 4FDC

VCFed about 4 days ago

I am currently working on an IMSAI 8080 System with a Cromemco ZPU and 32K of static ram. I purchased a Cromemco 4FDC with Rdos 1 on it. I have been able to access the serial console and use rdos but that is about as far as I can go. My next step is to bo …

Newcomers Forum • Some general questions before I order from UltimateMister

MISTerFPGA about 4 days ago

Hi guys, I'm new to the FPGA and Mister scene and I just have a few questions about my options.I intend to order the regular pro model prebuilt from ultimatemister here are some questions I have about it:Should I order a large size sd card or just get a s …

IBM PC XT 5160 and Hard Card

VCFed about 4 days ago

Selling an IBM PC XT 5160 plus a rare functional Hard Card and VGA! Has 256KB of RAM, 5.25" and 3.5" diskette drives and a parallel card. I installed a VGA card so you can use the machine with any modern LCD display. The case is in okay shape …

Apple II Plus logic board troubleshooting

VCFed about 7 days ago

I'm troubleshooting a II Plus board from an ill-treated and poorly stored machine. I get question marks on the screen and a few clicks from the speaker instead of a beep. So far the following has been done: 1. Power supply tested good, all voltage rails …

Where can you still find a BABY AT Computer case?

VCFed about 8 days ago

So I decided to pull this FULL SIZE AT tower out of my crawlspace and give the system a check. A few years back I removed the barrel battery before it got too bad. IT has some minor corrosion that I can address but not yet. The system posts fine. Its got …

8-bit acorn hardware • Master Compact - rom/ram expansion boards

Stardot about 8 days ago

Hi Folks,I just took possession of a nice Master Compact, I’ve had a search of the forum but can’t find much on the above subject.The only interesting listing I found was this one.viewtopic.php?p=369139#... having accounts at these suppliers, o …
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Review: Anbernic RG ARC - The Dream Handheld For Fighting Game Fans

Time Extension about 9 days ago

...and Sega lovers.The Sega Saturn may have sold less than ten million units worldwide compared to the PlayStation's 102.49 million, but if you were a fan of 2D gaming – especially one-on-one fighters – then it was the platform of choice back in the '9 …

6800 development tools for Atari pinball

VCFed about 9 days ago

Hi all, II have some assembly code that runs a pinball game that I would like to assemble and create a new set of roms for the game. The pinball game is called Space Riders, made by Atari in 1978. Here is snippet of the code: .ASECT .RADIX 16 …

ZX-81 Project, ram expansion help

VCFed about 11 days ago

I have this project I've been working on. I picked up a zx-81 (or was it a timex sinclair 1000?) from a flea market for $7 along with a 16k ram expansion. The computer seems to work but the keypad doesn't (typical). Since I already have a working zx-81 I …

General Discussions • Dual SDRAM Update All Script?

MISTerFPGA about 11 days ago

Hello all,As I am a total noob when it comes to compiling the cores on my own (or similar things in general), I would like to ask whether there‘s a update all script available specifically for dual SDRAM setups?Just recently updated my mister with dual …

HP Portable Plus (Model 45711) - home-brew expansion drawers?

VCFed about 11 days ago

Hello, I have a model 45711B that includes 128KB of base system RAM with an additional 128KB of expansion RAM via a 82981A memory drawer. Was wondering if anyone knew of home-brew versions of the 1MB expansion (82992A) and/or ROM expansion drawer (82982A …
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other vintage hardware, software and languages • Open University HEKTOR

Stardot about 12 days ago

Anyone remember these? It was an 8085 based computer produced by the OU specifically for teaching a course (or several?) that they offered. I remember my mother teaching using these and thinking that my BBC micro was a lot more fun. It didn't have much RA …
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Scene • Graphics routine - Basic wedge

Lemon64 about 14 days ago

This adds the following commands to basic HGR Hires Grahics On HGROFF Hires Graphics Off HFCOL Hires Fore Color HBCOL Hires Back Color HCLS Hires Clear Screen HLINE Hires Line HPLOT …
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Help & Support • C64C mitsumi carbon pads

Lemon64 about 15 days ago

Hi!I recently bought an "untested" C64C from eBay that turned out to be bit of a disaster. 2 x CIA, 2 x RAM, CPU and SID have been replaced. The PCB was really dirty as well. A cotton swap + IPA came back black after several passes. I suspect that it has …

Compaq SLT 386

VCFed about 17 days ago

I recently acquired an SLT 386 in decent shape. I had to tear it apart and do the Dallas mod, fix the sticky bumper issue in the hard disk, and take a peek at what it had. It's a fairly basic model, having a 60 MB hard disk and no modem, but it does have 6 …
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Help & Support • Neoram 2MB and ramdisks, Geodisk and Neodisk just give garbage under vice...

Lemon64 about 17 days ago

I got a neoram awhile back and I'm trying to learn how to setup a ram disk on it, and try to use it for my bbs eventually,.I'm starting by playing in Vice, and trying georamdrive and neoramdrive, I load the program, then sys 57e3.The ramdrive banner displ …

Difficulty with expansion RAM on Baby Blue II multicard

VCFed about 18 days ago

So, I'm trying to set up a Baby Blue II IO multicard/Z80 co-processor board I snagged at VCF Midwest back in September. I'm currently trying to rig it to work with my IBM 5155 (256k, motherboard max) to start, but despite the internal diagnostics (TESTBBII …
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General Discussions • MiSTer's grandad namesake - miSTER z80

MISTerFPGA about 18 days ago

Yesterday I learned there was actually a micro controller/computer named miSTER before - miSTER Z80/ComPAN. Produced in Poland circa 1985, it started as an industrial real-time controller, but was also used to make microcomputers for office/scientific use …
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The Keyboard-Packing Aya Neo Slide Is Available To Pre-Order Today

Time Extension about 19 days ago

There are four models and two colours to choose from.Update : The IndieGoGo campaign for the Aya Neo Slide is now live, meaning you can now pre-order the handheld ahead of its December launch (thanks SteamDeckHQ!).The device will be available in 4 differen …
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Other 8-bit Commodore computers • TRIANGULAR ?OS 1.29 for Commodore Plus/4

Lemon64 about 20 days ago

TRIANGULAR ?OS 1.29 for Commodore Plus/4 operates only in PETSCII and adds 2 games IPONG and LCD RACE from Roepipi place of SNAKES and LUNAR LAND.Changelog for TRIANGULAR ?OS 1.29 for Commodore Plus/4 [19-11-2023]:- Supports Commodore Plus/4 with 64 KB of …

Long shot question for the emulator fans and writers please...

VCFed about 20 days ago

I have been writing a PDP11 emulator from scratch, to run on an ESP 32 and yes, I know there are others out there - I wanted to try it out for myself, not working from anyone else's code base.. It is targeting the 11/23 feature set, with EIS and MMU, 1MB …