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The default VAX/PDP11 CPU mode is determined by the specific CHARON-VAX product license.
ace_mode
| Parameter | ace_mode |
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| Type | Boolean |
| Value | true or false |
This statement enables the ACE mode if the CHARON-VAX license permits it. If this statement is omitted from the CHARON-VAX configuration file and the license permits it, "true" is the default, otherwise "false" is the default. For test purposes the ACE mechanism can be disabled with:
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The CHARON-VAX log file displays the status of the ACE option.
The ACE mode is disabled when the host system does not meet the minimum physical requirements for this operation. If the emulator appears to not run at its normal performance, check the log file for a change in the ACE mode and verify that sufficient host resources, especially memory, are available.
RAM
The CHARON-VAX / CHARON-PDP memory subsystem is permanently loaded and has the logical name "ram".
size
| Parameter | size |
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| Type | Numeric |
| Value | Size of the emulated memory in MB. |
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