I am starting to narrow this down. The simh source code contains a
directory for lunar11. It has a document, README.TXT that contains SimH
directions:
sim> ! Set CPU to a Unibus system type
sim> set cpu 11/70
sim> ! Enable DLI device so VT device autoconfigures
sim> ! with a starting vector of 320
sim> set dli enable
sim> set dli line=2
sim> ! Enable VT device
sim> set vt enable
sim> load lunar.lda
sim> dep 32530 1
sim> run
Lunar lander only needs a small screen area, and can run using a
simulated "VR14" display, which can fit on many computer screens
without scaling:
sim> set vt crt=vr14
sim> set vt scale=1
However, running recent pdp11 and referring to vt results in:
sim> set vt enable
Non-existent device
The source file pdp11_vt.c seems to supply the necessary device:
pdp11_vt.c: PDP-11 VT11/VS60 Display Processor Simulation
...
vt VT11/VS60 Display Processor
/*
* this file is just a thin layer of glue to the simulator-
* independent XY Display simulation
*/
But after compiling, VT doesn't appear to exist as a valid device. What
am I doing wrong - is the VT device part of the pdp11 simulator or isn't it?
Thanks,
Will
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