Owner`s manual

5.7 CLEAR EXCEPTION

The CLEAR EXCEPTION command is used to clear error

states in registers.

Examples

>>> EXAMINE 21800000 ! Attempt to examine a non-

?0029 Machine check accessing memory. ! existent address produces

! a machine check and sets

>>> CLEAR EXCEPTION ! some error bits.

XBE0 = 000000C0 ! Register values before

XFADR0 = 61900008 ! CLEAR EXCEPTION clears

XBEER0 = 01240001 ! the error bits.

PCSTS = 000008C0

>>>

>>> ^P

>>> SHOW CONFIGURATION

Type Rev

1+ KA65A (8080) 0006

2+ KA65A (8080) 0006

3+ KA65A (8080) 0006

4+ KA65A (8080) 0006

5+ FV64A (0000) 0001

6+ MS65A (4001) 0084

8+ MS65A (4001) 0084

9+ MS65A (4001) 0084

A+ MS65A (4001) 0084

D+ CIXCD (0C05) 1652

E+ DEMNA (0C03) 0600

>>> CLEAR EXCEPTION ! Issued to clear error

XBE0 = 00000081 ! state that exists.

XFADR0 = 61900008

XBEER0 = 01240001

PCSTS = 000008C0

>>> CONTINUE

5–16 VAX 6000 Series Owner’s Manual