68K System Monitor
User's Guide | GE Energy Services |
F - Fill Memory
Platform
Description
Syntax
þ CPM þ D20 | þ D20 ME | þ D20/200 | þ D20/200 ME | þ D25 |
D20 Base | D20 Base | CCU Base | CCU Base |
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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.
Below is usage and syntax information for this command
| Command Format | f [/(b w l)] beg_addr end_addr value |
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| Variables | /b | = | bytes (octets), the default mode |
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| /w | = | words |
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| /l | = | long words |
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| Parameters | beg_addr = | start address of region in hexadecimal |
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| end_addr = | address to fill up to in hexadecimal |
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| value | = | value to put in region in hexadecimal |
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| Example | Type f /w 200000 200400 F034 and press ENTER. |
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| Results: This fills the RAM memory from hexadecimal |
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| address 200000 to 200400 with words of F034 |
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| hexadecimal. |
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| The system displays the prompt when it completes |
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| this instruction. |
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| Special | • An attempt to fill EPROM memory results in a bus error. |
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| Considerations | • You can modify systems with FLASH EPROM such as the |
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| D25 and CCUME using this command. |
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General |
Full Release | |
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