Motorola MVME162 manual 162BugMD A7&30

Using the 162Bug Debugger

	162Bug>RD
	PC	=00010000	SR		=2708=TR:OFF_S._7_.N...				VBR		=00000000
	USP	=0000DFFC	MSP		=0000EFFC ISP* =0000FFFC				SFC		=0=F0
	DFC	=0=F0	CACR		=0=
	D0	=00000001	D1		=00000001		D2	=00000000	D3		=00000000
	D4	=00000000	D5		=00000002		D6	=00000000	D7		=00000000
	A0	=00000000	A1		=00000000		A2	=00000000	A3		=00000000
4
	A4	=00000000	A5		=00000000		A6	=00000000	A7		=0000FFFC
	00010000 203900F0			0000		MOVE.L		($F00000).L,D0
	162Bug>T
	Exception: Access			Fault (Local Off Board)
	PC =FF839154 SR =2704
	Format/Vector =7008
	SSW =0145 Fault Address =00F00000 Effective Address =0000D4E8
	PC	=00010000	SR		=2708=TR:OFF_S._7_.N...				VBR		=00000000
	USP	=0000DFFC	MSP		=0000EFFC ISP* =0000FFFC				SFC		=0=F0
	DFC	=0=F0	CACR		=0=
	D0	=00000001	D1		=00000001		D2	=00000000	D3		=00000000
	D4	=00000000	D5		=00000002		D6	=00000000	D7		=00000000
	A0	=00000000	A1		=00000000		A2	=00000000	A3		=00000000
	A4	=00000000	A5		=00000000		A6	=00000000	A7		=0000FFC0
	00010000 203900F0			0000		MOVE.L		($F00000).L,D0
	162Bug>
	Notice that the target stack pointer is different. The target stack pointer now
	points to the last value of the exception stack frame that was stacked. The
	exception stack frame may now be examined using the MD command.
	162Bug>MD (A7):&30
	0000FFC0 2708 0001 0000 7008					0000 FFFC 0105 0005				’.....p
	0000FFD0 0005 0005 00F0 0000					0000 0A64 0000 FFF4				...........d....
	0000FFE0 00F0 0000 FFFF FFFF					00F0 0000 FFFF FFFF
	0000FFF0 2708 0001 A708 0001						0000 0000				’
	162Bug>

4-16 MVME162 Embedded Controller Installation Guide