1.5.4 C65 System I/O Memory

$DF00	IO-2	EXTERNAL I/O SELECT
$DE00	IO-1	EXTERNAL I/O SELECT
$DD00	CIA-2	SERIAL, USER PORT
$DC00	CIA-1	KEYBOARD, JOYSTICK, MOUSE CONTROL
$D800	COLOR NYB	COLOR MATRIX (*FROM $1F800-$FFFF)
$D700	DMA	*DMA CONTROLLER
$D600	UART	*RS-232, FAST SERIAL, NEW KEY LINES
$D440	SID (L)	AUDIO CONTROLLER (LEFT)
$D400	SID (R)	AUDIO CONTROLLER (RIGHT)
$D300	BLU PALETTE	*COLOR PALETTES (NIBBLES)
$D200	GRN PALETTE
$D100	RED PALETTE
$D0A0	REC	*RAM EXPANSION CTRL (OPTIONAL)
$D080	FDC	*DISK CONTROLLER
$D0D0	VIC-4567	VIDEO CONTROLLER
$0000	4510	MEMORY CONTROL FOR C64 MODE (this register is actually in the VIC-4567 in the C65)

*NOTE: VIC must be in "new" mode to address these devices