Console Commands
A-6 VAX 4000 Model 108 User Information
>>> E/P 0 ! Examine local memory 0.
P 00000000 00000000
>>> EX /INS 20040000 ! Examine 1st byte of ROM.
P 20040000 11 BRB 20040019
>>> EX /INS/N:5 20040019 ! Disassemble from branch.
P 20040019 D0 MOVL I^#20140000,@#20140000
P 20040024 D2 MCOML @#20140030,@#20140502
P 2004002F D2 MCOML S^#0E,@#20140030
P 20040036 7D MOVQ R0,@#201404B2
P 2004003D D0 MOVL I^#201404B2,R1
P 20040044 DB MFPR S^#2A,B^44(R1)
>>> E/INS ! Look at next instruction.
P 20040048 DB MFPR S^#2B,B^48(R1)
>>>
FIND
The FIND command searches main memory, starting at address zero for a page-aligned
128K-byte segment of good memory, or a restart parameter block (RPB). If the command
finds the segment or RPB, its address plus 512 is left in SP (R14). If it does not find the
segment or RPB, the console issues an error message and preserves the contents of SP. If
you do not specify a qualifier, /RPB is assumed.
Format:
FIND [qualifier-list]
Qualifiers:
Command specific:
/MEMORY
Searches memory for a page-aligned block of good memory, 128K
bytes in length. The search checks only memory that is deemed
usable by the bitmap. This command leaves the contents of memory
unchanged.
/RPB
Searches all physical memory for an RPB. The search does not use
the bitmap to qualify which pages are checked. The command leaves
the contents of memory unchanged.
Examples:
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