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Add a new "Remote Shell" application
This allows a COS shell to remotely control another shell from a serial line. It's very crude now, but the plan is to add tools much like the POSIX tools, but for COS.
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@ -4,6 +4,7 @@ MASTER INDEX
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005 Z80 assembler 030 8086 assembler
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050 AVR assembler 70-99 unused
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100 Block editor 120 Visual Editor
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150 Remote Shell
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160 AVR SPI programmer 165 Sega ROM signer
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170-259 unused 260 Cross compilation
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280 Z80 boot code 350 Core words
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@ -873,6 +874,14 @@ CREATE PREVPOS 0 , CREATE PREVBLK 0 , CREATE xoff 0 ,
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1 XYMODE C! clrscr 0 ACC ! 0 PREVPOS ! nums bufs contents
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BEGIN xoff? status setpos KEY handle UNTIL
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0 XYMODE C! 19 aty IN$ ;
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( ----- 150 )
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( Remote Shell )
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0 :* rsh<? 0 :* rsh>
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: rsh BEGIN
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rsh<? IF
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DUP 4 ( EOT ) = IF DROP EXIT THEN EMIT THEN
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KEY? IF DUP 0x80 < IF rsh> ELSE DROP EXIT THEN THEN
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AGAIN ;
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( ----- 160 )
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( AVR Programmer, load range 160-163. doc/avr.txt )
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( page size in words, 64 is default on atmega328P )
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@ -47,8 +47,12 @@ When you're ready to move to real hardware, read hw/intro.txt.
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* Dictionary of core Forth words (dict.txt)
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* Editing text (ed.txt)
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* Assembling binaries (asm.txt)
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* Remote Shell (rsh.txt)
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* Programming AVR chips (avr.txt)
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* Bootstrap Collapse OS to a new system (bootstrap.txt)
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* Cross-compilation mechanisms (cross.txt)
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* Protocols (protocol.txt)
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* Grid subsystem (grid.txt)
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* Sega Master System ROM signatures (sega.txt)
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* Self-hosting notes (selfhost.txt)
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22
doc/rsh.txt
Normal file
22
doc/rsh.txt
Normal file
@ -0,0 +1,22 @@
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# Remote Shell
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You can control a remote system from Collapse OS using the
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Remote Shell application at B150. All you need are words that
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follow the EMIT and KEY? signatures. Serial lines drivers
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provide those words.
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To use the remote shell, first plug your words into RSH aliases:
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' FOO> ' rsh> *! ' FOO<? ' rsh<? *!
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FOO> being the "EMIT" word and "FOO<?" being the KEY? word.
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Then, it's only a matter of running "rsh". This will repeatedly
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poll rsh<? and emit whatever is coming from there and at the
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same time, poll KEY? and push whatever key you type to rsh>.
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You can stop the remote shell by typing any character over 0x7f.
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For example, on a TRS-80 4P, the BREAK key yields 0x80 and will
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break the loop.
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See hw/acia.txt for tips on configuring a serial line.
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