diff --git a/doc/ega.txt b/doc/ega.txt new file mode 100644 index 0000000..68ee7f2 --- /dev/null +++ b/doc/ega.txt @@ -0,0 +1,11 @@ +# Enhanced Graphics Adapter + +EGA is the successor of CGA, while itself being succeeded by VGA. + +## Detection + +mov ah, 12h +mov bl, 10h +int 0x10 + +If there is an EGA (or up) display present, bl will be changed.