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vlm for linux on x86_64 if you don't know what it is, you probably don't want it... based on the admirable work of Brad Parker who changed the alpha assembler code generator to produce c-code runnable on an x86_64 platform this version uses a TUNTAP tap device for networking, that way it doesn't need root privileges to run if you define a tap interface beforehand. I decided to use a tap (as opposed to a tun) interface because access to the complete ethernet frame is possible with a tap interface - making my life easier since I'm currently writing a chaosnet network module for Linux and would need access to the complete ethernet frame therefore. Also it is possible to put tap devices on a bridge with different mac addresses to be able to run multiple vlm instances communicating to each other via chaosnet. this version has fixes for: - X11 with xcb lib (runs with or without xcb) since clx directly accesses the bar-bones X11-protocol, xcb gets confused when you try to XCloseDisplay/XSynch because clx tries to keep track of the X11 calls internally which it is unable to do with a mixture of XLIB calls and direct access to the X11-protocol. This in turn keeps the vlm from cleanly closing a display, which it uses when terminating and/or saving a LISP world. So, if we detect xcb being used, we use a workaround for closing X displays... - keyboard mapping for the cold-load/debugger window I deemed it unsatisfactory to not being able to use the CTRL-, META-, SUPER-, and HYPER- keys in the cold-load/debugger window, so I did setup a mapping for those keys like it is done in the GENERA system itself. You may use the same keys now in the cold-load/debugger window. - rational division (/ 3) yields 1/3 instead of 0 doesn't work in Brads version, because rational division ought to produce a trap if there is a non-zero remainder from a division. I've decide to produce asm code for rational division by generating a new pseudo alpha instruction (x64ratquo) and generating asm code from that. see alpha-assembler/imacmath.lisp and stub/process.lisp - double float exceptions (/ 0.0d0) results in a valid trap now has not been implemented in the alpha assembly version (forgotten perhaps). Changed that in the generation of alpha assembly code (tested on an alpha as well). see alpha-assembler/imactrap.lisp. there are extensions for: - blocksize settable for attach-disk-channel (to be able to use fep-file images with non-2048 word blocks, like images derived from ancient ESDI disks. - a unix crypt routine links to unix crypt to enable use of modern crypt algorithms. - unix cwd and unix home dir to be found in embedded communication area You won't be able to use these extensions if you do not patch and recompile respective the LISP definitions as well. to install follow the instructions given in the file INSTALL. ./configure --help will give you some configuration options
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