notes:retro:poisk1
Table of Contents
Poisk-1 programming
Port 68h: Display Mode
7 bit 0 ---- ---- r?pi nbbb | || |||| | || |+++- Mirrored from port 3D9h by BIOS (background color?) | || +---- 0: NMI enabled / 1: NMI disabled | |+------ Mirrored from port 3D9h by BIOS (high intensity foreground?) | +------- Mirrored from port 3D9h by BIOS (palette?) +--------- 0: 320x200 / 1: 640x200
Port 6Ah
7 bit 0 ---- ---- ???? ????
notes/retro/poisk1.txt · Last modified: 2024/12/23 11:51 by asie