[TUHS] 8th Edition Research Unix on SIMH

Arthur Krewat krewat at kilonet.net
Thu Apr 27 09:02:44 AEST 2017


Who hard-codes a file handle?

FD 3 would be the first FD opened after stdin, stdout, and stderr.



On 4/26/2017 6:45 PM, Tim Newsham wrote:
> Do you know who wrote the /sys/src/games/blit emulator?
> There's a piece of code in it that I had to comment out that
> I dont understand and I want to ask about it:
>
>         }
> -       write(3, rom, sizeof(rom));
> +    /* I dont know what this was for, but it spews garbage
> +     * out telnet to the vax, causing it to hang.
> +     */
> +       //write(3, rom, sizeof(rom));
>  }
>
> I'm not sure what fd 3 is intended to be, but its the telnet socket in 
> p9p.
>
>
> On Thu, Mar 30, 2017 at 8:30 AM, David du Colombier <0intro at gmail.com 
> <mailto:0intro at gmail.com>> wrote:
>
>     This image is ready to be used with aiju's Blit emulator,
>     which is available as part of 9front.
>
>     http://code.9front.org/hg/plan9front/file/tip/sys/src/games/blit
>     <http://code.9front.org/hg/plan9front/file/tip/sys/src/games/blit>
>
>     This emulator works on most Plan 9 distributions. You just
>     have to copy the /sys/lib/blit and /sys/src/games/blit
>     directories to your system.
>
>     With the v8.ini startup file provided, the console will be
>     listening on port 8888/tcp once SIMH has been started.
>
>     You have to run the emulator and connect to the console:
>
>     % cd /sys/src/games/blit
>     % mk install
>     % games/blit -t tcp!hostname!8888
>
>     Once connected, enter your login and password.
>
>     login: root
>
>     Then, you can launch the mux window system:
>
>     $ /usr/blit/bin/mux
>
>     Once started, you can run any graphical program.
>     Binaries are located in the /usr/blit/bin directory.
>
>     For example, here is jim text editor:
>
>     http://9legacy.org/img/v8/jim_01.png
>     <http://9legacy.org/img/v8/jim_01.png>
>
>     --
>     David du Colombier
>
>
>
>
> -- 
> Tim Newsham | www.thenewsh.com/~newsham 
> <http://www.thenewsh.com/%7Enewsham> | @newshtwit | 
> thenewsh.blogspot.com <http://thenewsh.blogspot.com>

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