Writing to a different video page
Posted on 1997-03-17
How do I write to page 1, for instance, in text mode using video mode 3 and directly accessing the video memory?
In this mode video memory starts on 0xB800 I guess. But, if I write from this address I'll be writing to page 0 (as set by INT 10, AH=0x05). Documentation says there are four [0-3] available pages in this mode. I switched to page 1 using INT 10 - AH=0x05, but now how do I write to it? Shall I add an offset of 80X25 = 2000?