Format of ExCa memory-mapped registers:
Offset	Size	Description	)
 00h	BYTE	identification and revision register
 01h	BYTE	interface status register
 02h	BYTE	power control register
 03h	BYTE	interrupt and general control
 04h	BYTE	card status change
 05h	BYTE	card status change interrupt configuration
 06h	BYTE	address window enable
 07h	BYTE	I/O window control register
 08h	WORD	I/O window 0 start address
 0Ah	WORD	I/O window 0 end address
 0Ch	WORD	I/O window 1 start address
 0Eh	WORD	I/O window 1 end address
 10h	WORD	memory window 0 start address
 12h	WORD	memory window 0 end address
 14h	WORD	memory window 0 offset address
 16h  2 BYTEs	user-defined
 18h	WORD	memory window 1 start address
 1Ah	WORD	memory window 1 end address
 1Ch	WORD	memory window 1 offset address
 1Eh	BYTE	user-defined
 1Fh	BYTE	reserved
 20h	WORD	memory window 2 start address
 22h	WORD	memory window 2 end address
 24h	WORD	memory window 2 offset address
 26h  2 BYTEs	user-defined
 28h	WORD	memory window 3 start address
 2Ah	WORD	memory window 3 end address
 2Ch	WORD	memory window 3 offset address
 2Eh  2 BYTEs	user-defined
 30h	WORD	memory window 4 start address
 32h	WORD	memory window 4 end address
 34h	WORD	memory window 4 offset address
 36h 10 BYTEs	user-defined
---optional---
 40h	BYTE	memory window 0 start address high byte
 41h	BYTE	memory window 1 start address high byte
 42h	BYTE	memory window 2 start address high byte
 43h	BYTE	memory window 3 start address high byte
 44h	BYTE	memory window 4 start address high byte
 45h-7FFh	user-defined
SeeAlso: #00890