Category: vendor-specific BIOS extensions

INT 61 - Atari Portfolio - GET/SET ROM/CCM SPACE STATE

	AH = 24h
	AL = function
	    00h get state
	    01h set state
		DL = new ROM state (see #03469)
		DH = new CCM state (see #03470)
Return: CF clear if successful
	    DL = current/old ROM state
	    DH = current/old CCM state
	CF set on error (invalid option or other error)
Desc:	control whether memory cards or an extension ROM are visible in the
	  range 000C0000h to 000DFFFFh
SeeAlso: AH=00h"Portfolio",AH=20h"Portfolio",AH=26h"Portfolio"