1005 INT 10 - VIDEO -  SELECT ACTIVE DISPLAY PAGE
100500 INT 10 - VIDEO - Corona/Cordata BIOS v4.10+ - SET GRAPHICS BITMAP BUFFER
10050F INT 10 - VIDEO - Corona/Cordata BIOS v4.10+ - GET GRAPHICS BITMAP BUFFER
100580 INT 10 - VIDEO - PCjr, Tandy 1000 - GET CRT/CPU PAGE REGISTERS
1005 INT 10 - VIDEO - PCjr, Tandy 1000 - SET CRT/CPU PAGE REGISTERS