Also, concerning your problem, have you verified the behaviour of your byte/word/doubleword mode(CRTC registers) and the 32-bit latches and shifting out of their bits in the sequencer/renderer? https://bitbucket.org/superfury/unipcemu/src/master/UniPCemu/hardware/vga/vga_renderer.c https:// …

I think you meant to put the second post in a different thread, but UniPCemu looks nice. I've always been meaning to add 386+ support to mine. I don't know if I have the patience, but I'd love to see Windows 2000 or Linux run. As far as VGA, at least my logic appears to match yours at a glance but …

I revived an old 80186 PC emu project of mine that's kind of been on hold for 7 years or so. It was written poorly, and I'm trying to rewrite or at least refactor most of it. I started a new VGA implementation from scratch, and I'm having some issues with VGA writes. A lot of things only seem to …