Commit | Line | Data |
---|---|---|
ab4c9b4b KT |
1 | .th MEM IV 8/24/73 |
2 | .sh NAME | |
3 | mem \*- core memory | |
4 | .sh DESCRIPTION | |
5 | .it Mem | |
6 | is a special file that is an image of the core memory | |
7 | of the computer. | |
8 | It may be used, for example, to examine, | |
9 | and even to patch the system using the debugger. | |
10 | .s3 | |
11 | A memory address is | |
12 | an 18-bit quantity which | |
13 | is used directly as a UNIBUS address. | |
14 | References to non-existent locations cause errors to be returned. | |
15 | .s3 | |
16 | Examining and patching device registers is likely | |
17 | to lead to unexpected results when read-only or write-only | |
18 | bits are present. | |
19 | .sh FILES | |
20 | /dev/mem | |
21 | .sh BUGS | |
22 | There should be another | |
23 | .it mem | |
24 | file that looks at core using the system's address map. |