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"