Category: vendor-specific BIOS extensions

INT 61 - Atari Portfolio - GET SCREEN SIZE

	AH = 0Dh
Return: AX = physical screen size (AH=rows, AL=columns)
	DX = logical screen size (DH=rows, DL=columns)
SeeAlso: AH=00h"Portfolio",AH=0Bh"Portfolio",AH=0Eh"Portfolio"