Real mode assembly appendix A
This is the appendix of the real mode assembly bare bones series, containing nifty tidbits of information, code, and ideas.
Links to other articles with code
Code
Text in 640x480 16-colour graphics mode
VGA video mode 12h is a 640x480 resolution, in which (with a little tweaking) can be used with your string printing function. All you have to do is add a mov bh,07h to allow regular coloured printing in graphics mode. At the moment, the cursor is disabled. You must find a way to eliminate it or do up a function specifically for printing in graphics mode.