VGA Resources
VGA Resources
- G=Google+Search google search,
- OS/graphics zone from Chris Giese, containing many code snippets.
- tutorial on VGA graphics including basis of font and line rendering, palette setting, unchained mode, etc.
Free VGA
- VGA/vga/graphreg.htm Graphics Registers -- control the way the CPU accesses video RAM.
- VGA/vga/seqreg.htm Sequencer Registers -- control how video data is sent to the DAC.
- VGA/vga/attrreg.htm Attribute Controller Registers -- selects the 16 color and 64 color palettes used for EGA/CGA compatibility.
- VGA/vga/crtcreg.htm CRT Controller Registers -- control how the video is output to the display.
- VGA/vga/colorreg.htm Color Registers -- selects the 256 color palette from the maximum possible colors.
- VGA/vga/extreg.htm External Registers -- miscellaneous registers used to control video operation.
SVGA resources
- The VESA home page: http://www.vesa.org
Selected coding tricks
- 90x60 text mode from Chris Giese <geezer@execpc.com>
- Changing text mode font -- this also has code for switching video modes without bios