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33 lines
1.2 KiB
Desktop File
33 lines
1.2 KiB
Desktop File
# One telnet connection = one Apple 1 (see ewm-one.socket). The
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# emulator does no networking: systemd hands the accepted connection
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# over as stdin/stdout and `ewm one --tty` speaks bytes — keyboard in,
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# display out, Meta-R (or telnet's `send brk`) is the RESET button.
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#
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# The sandbox can be tight because the binary needs no filesystem at
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# all: the machine configs and ROM images are embedded. Swap the
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# --config for builtin:replica1 (or a config path, if you loosen the
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# sandbox) to serve a different machine.
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[Unit]
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Description=Apple 1 for %i
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[Service]
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# Install banner.txt (next to these units) wherever you like — it is
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# readable under ProtectSystem=strict from /usr or /etc.
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# --tty-telnet (implies --tty) negotiates server-side echo on connect, so
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# a telnet client stops echoing locally and each line appears once.
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ExecStart=/usr/local/bin/ewm one --config builtin:apple1 --tty-telnet --tty-banner /usr/local/share/ewm/banner.txt
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StandardInput=socket
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StandardOutput=socket
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StandardError=journal
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DynamicUser=yes
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NoNewPrivileges=yes
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ProtectSystem=strict
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ProtectHome=yes
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PrivateTmp=yes
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PrivateDevices=yes
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RestrictAddressFamilies=AF_UNIX
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MemoryMax=64M
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# Abandoned sessions do not get to keep a 1 MHz loop forever.
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RuntimeMaxSec=4h
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