Scratch Pad (Index=248, RB='1')

Scratch Pad Register

Index=0xF8, Byte 0. Index=0xF8 Word 0. RB='1'.

D7	D6	D5	D4	D3	D2	D1	D0
SCR7	SCR6	SCR5	SCR4	SCR3	SCR2	SCR1	SCR0

Index=0xF9, Byte 1. Index=0xF8 Word 0. RB='1'.

D15	D14	D13	D12	D11	D10	D9	D8
SCR15	SCR14	SCR13	SCR12	SCR11	SCR10	SCR9	SCR8

Bit Definitions

NAME	DIRECTION	DEFAULT	DESCRIPTION
SCR[15:0]	rw	0x0000	Scratch Pad Register

Can be used for temporarily storing a previous state. Also used to verify ISA bus interface.