I recently added the RAMDAC with the correct values as well as the vclk of it, 15bpp and 16bpp work in 640x480 and 800x600 modes, but 1024x768 mode seems to not render correctly (8bpp mode is unaffected of the same resolution).
If anyone wants the revamped code, I can post it here.
Test program is X-VESA for DOS and GD5429 drivers for Win3.1 and happens in all machines and using the correct bios.
Support and general discussion.
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