GE 68K System User Manual
68K System Monitor
User's Guide
User's Guide
GE Energy Services
General
SWM0023-1.00 -2
Full Release
3-37
F - Fill Memory
Platform
þ
CPM
þ
D20
D20 Base
D20 Base
þ
D20 ME
D20 Base
D20 Base
þ
D20/200
CCU Base
CCU Base
þ
D20/200 ME
CCU Base
CCU Base
þ
D25
Description
Use this command to repeatedly write a value to a specified region of memory.
The command requires three numerical arguments in hexadecimal format:
• first is the starting address of the region to fill
• second is the ending address of the region
• third is the value to write to the memory region
The fill value may be a byte (octet), a word, or a long word, depending on the mode
selected by the switch.
• first is the starting address of the region to fill
• second is the ending address of the region
• third is the value to write to the memory region
The fill value may be a byte (octet), a word, or a long word, depending on the mode
selected by the switch.
Syntax
Below is usage and syntax information for this command
Command Format
f [/(b | w | l)] beg_addr end_addr value
Variables
/b
= bytes (octets), the default mode
/w
= words
/l
= long words
Parameters
beg_addr = start address of region in hexadecimal
end_addr = address to fill up to in hexadecimal
value
= value to put in region in hexadecimal
Example
Type f /w 200000 200400 F034 and press
ENTER
.
Results: This fills the RAM memory from hexadecimal
address 200000 to 200400 with words of F034
hexadecimal.
hexadecimal.
The system displays the prompt when it completes
this instruction.
this instruction.
Special
Considerations
Considerations
• An attempt to fill EPROM memory results in a bus error.
• You can modify systems with FLASH EPROM such as the
• You can modify systems with FLASH EPROM such as the
D25 and CCUME using this command.