Hi Bill, > set nvr filename
Actually this is probably: attach nvr filename. That connects the simulated non-volatile RAM of the motherboard to some non-volatile place to store the info the motherboard will put there. The only thing the VAX simulator actually stores there is the default system boot device so if the system is configured to auto-boot it will know what device to boot from. > set cpu 64m Tells the simulator how much RAM the simulated system will have (64MB). The VAX simulator can have various RAM sizes from 16MB up to 512MB. > set cpu idle=vms This tells the simulator that the OS you're running is VMS and to detect the system idle patterns that VMS uses to sleep when the system isn't doing anything (as opposed to simulating instructions which have no useful purpose but waiting for something to happen). Simulating instructions will keep your host computer somewhat busy when it needn't be. - Mark From: Simh [mailto:[email protected]] On Behalf Of Bill Cunningham Sent: Saturday, March 5, 2016 11:54 AM To: [email protected] Subject: [Simh] how do settings help simh When I load a file with simh if I'm using the vax simulator for example. I use these settings: set nvr filename set cpu 64m set cpu idle=vms specifically the third for vms. Now it seems these are not really needed to me. How does it help the simulator or the simulation? Is it easier for it to use or view files? I really myself don't notice much.
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