I can’t promise that DOSBox emulated results will give the exact color results as original old-school hardware on an old CRT, but results should still be mighty close.
The raw input data files are pretty simple to generate with most graphics software, just downsample down to potato 80x25, then export to raw 888 RGB format.
Meh, DOSBox is plenty suitable enough, and QBasic is easy enough to find…
https://winworldpc.com/product/qbasic/1x
I can’t promise that DOSBox emulated results will give the exact color results as original old-school hardware on an old CRT, but results should still be mighty close.
The raw input data files are pretty simple to generate with most graphics software, just downsample down to potato 80x25, then export to raw 888 RGB format.