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Yes, I included a binary in the releases section of the Github page Interesting that you had different results with a V20 vs 8088. My approach was to set a single pixel in the top left / bottom right for graphics mode, and a white cell in text mode. So far it has worked on my machine. I'm...

I wrote a small program to work around the issues with the Book 8088 not centering the display properly. It's a TSR that wraps the BIOS video interrupt and briefly sets pixels in the top left and bottom right of the screen to help the LCD display calibrate correctly. I've only tested on my V2...

Yes I've been working on a Hercules mode. I've been experimenting with 720x348 letterboxed, and also 640x400 (which is what FastDoom uses). I don't have real hardware to test on but I've had some people testing for me. I'll post a new release once it's confirmed to be working and stable.

I'm glad to have fulfilled your dream to play Wolfenstein 3D on your old Toshiba! I actually remember coming across your post before I started this endeavour as I googled 'Wolfenstein CGA' to see if it had already been done, and your post cropped up. Thanks for sharing a photo, always good to...

Oops I forgot to compile in the 'Read This!' part when building the shareware version. There is a #define that needs to be changed at compile time to make this work. Love the quote from Adrian Carmack on a CGA version :biggrin:

Here is some footage of it running on a Tandy 1000HX that RetroTech Chris took: I haven't tried on a 5150 as I don't have access to one. I did ask someone with a setup with a 9.55MHz 8088, IBM CGA (new) and SoundBlaster to run the timedemo and with the largest viewport size it averaged 3.1...

I have converted Wolfenstein 3D to play in CGA! Source and binaries are available on the Github page here: https://github.com/jhhoward/WolfensteinCGA Here is an overview of features I have added to this version Mode 5 black/red/cyan/white palette version (selected by default) Mode 4...

I have a small collection of DOS palmtop computers: an HP 100LX, a Sharp PC-3000 and a clone of a Tidalwave PS-1000 They all have PCMCIA slots, so I use a compact flash adapter and 32MB compact flash cards, to store data and easily transfer files between my modern PC and the palmtops. I also...

I have some old DOS based laptops which have monochrome LCD screens but no video output port. Has anyone ever tried making something to output video over the parallel port? The setup I am imagining is something like a Pi Zero connected to the parallel port of the PC and a custom TSR continuously...

I took apart the adapter to have a look inside. It is very easy to take apart - just slide the red rubber grip loop off the one side and then pry it open with a credit card. There are no screws, it just pops open. A photo of the board is below. I had to crush the quality somewhat to be able to...

I've noticed a problem when using text mode on the different palmtop devices. They treat text colour attributes differently, so although they both have different shades of grey in their display, there is no consistent way to map them between devices. I also noticed that the Sharp in particular...

I am trying to connect my Sharp PC-3000 palmtop to my network using a Xircom PE3-10BC pocket ethernet adapter by connecting it to the computer's parallel port. I'm having a problem when I run the PE3TEST.EXE diagnostic program it displays the error "Adapter address EEPROM unreadable". This does...

Over the years I've developed several pseudo 3D renderers similar to Wolfenstein 3D for various bits of hardware. Most recently Catacombs Of The Damned! for the Arduboy which runs on an Atmega chip with only 2.5KB of RAM. I also developed a demo for the Uzebox, another microcontroller based...