Int 61/AH=24h

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

(Table 03469) Values for Atari Portfolio ROM space state: 00h normal application ROM 01h CCM drive A: 02h CCM drive B: 03h expansion ROM

See Also: #03470

(Table 03470) Values for Atari Portfolio CCM space state: 00h CCM drives disabled

01h CCM drive A:
Permanently enabled

02h CCM drive B:
Permanently enabled

See Also: #03469

Category: Vendor-specific BIOS Extensions - Int 61h - A

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