tag

#vbe

2 posts

FreeDOSDeep Dive October 3, 2026 7 min read

VBE Linear Framebuffers: Map Physical Video Memory Before Drawing

Select a VBE linear-framebuffer mode, map its physical base through the DOS extender, and honor pitch, pixel masks, and memory limits.

#freedos#vbe#graphics

FreeDOSDeep Dive October 3, 2026 8 min read

Probe VESA VBE capabilities, validate a mode, choose banked or linear access, and restore display state without hard-coding adapter assumptions.

#freedos#vesa#vbe