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feat(v4): the system hands no GONE on; (GONE-HOOK) goes (MESH step 7, increment 2)

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Ruling 7 as amended: the kernel tells a node's going, so the system's
hand-on is not used.  (GONE-HOOK), (DOWN) and (RUN) go from quit.f18, and
COLD's hook-clearing from system.f18; the cell is free again.  The tests of
the hand-on go with it (mesh: the hand-on checks and the fourth disturbed
exchange; depth sweep: path 10, as before 529ba0fc).  A believed GONE going
no further is still checked.  test_host_unit.c's message for GONE down the
graph now says the kernel tells.  MESH.md: 9a.6 items 5 and 7, and step 7's
record of both increments.

Suite EXIT 0; depth sweep 230 runs, 0 failures; mkcapsule lint 0
violations.  Hosted and bare metal, all three ISAs: word_count=317
dict_hash=0xfec8c47cfc6f437f.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-20 13:05:45 -04:00
co-authored by Claude Opus 5.5
parent 9138ebd8bb
commit 6cb8f1285f
9 changed files with 51 additions and 82 deletions
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capsules/v4/sys/quit.f18
+3 -24
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@@ -80,39 +80,19 @@ macro R-CLEAR RSTACK-DEPTH b! a !b endmacro
OK: drop 1 jump (FINISH)
GO: drop 0 jump (FINISH)
\ ( -- ) a GONE has been believed: the word whose xt is in (GONE-HOOK), if
\ there is one, is given the number of the node that is gone, in (ONE), so
\ that the GONE goes on down the birth graph (MESH.md 9a.2, ruling 7;
\ capsules/v4/centre.4th, GONE-DOWN). 0 there, as at switch-on: nothing.
\ The word is called, not jumped to, and (ONE) is put back when it
\ returns: what called this -- AWAIT, with the node it waits on -- reads
\ (ONE) after, and a GONE the word sends writes it. (Found by the depth
\ sweep of MESH.md 9a.6: a word that handed on a GONE about another node
\ left AWAIT waiting for ever.)
\ ( n xt -- ) the word whose xt it is, given n. It returns to whoever
\ called this, as (DEFINED) does (dict.f18).
: (RUN) push ;
: (DOWN)
(GONE-HOOK) b! @b if NONE
drop (ONE) a! @ dup push (GONE-HOOK) b! @b (RUN)
pop (ONE) a! ! ;
NONE: drop ;
\ ( -- flag ) A GONE has been taken: its seven words are in (IN), the
\ node it is about in (ONE), and (S-WIRE) is the wire it came by. It is
\ believed only if it came by the port that leads to this node's centre
\ and says it is from the centre (MESH.md 7b.4): the way to the node is
\ then forgotten, and the flag is -1. Otherwise nothing is done, and 0.
\ (As first built only what it said it was from was looked at, and one
\ that came by another port was believed.) Believed, it is handed on:
\ (DOWN).
\ that came by another port was believed.) A node does not hand a GONE
\ on: the kernel tells each node a node's going (MESH.md 9a.2, ruling 7).
: (GONE?)
(CENTRE) if NOT (IN)+1 a! @ xor if FROM drop 0 ;
NOT: ;
FROM: drop (ROUTE-DEFAULT) a! @ (PORT) - (S-WIRE) a! @ xor if YES drop 0 ;
YES: drop (ONE) a! @ NO-ROUTE (DOWN) -1 ;
YES: drop (ONE) a! @ NO-ROUTE -1 ;
\ ( -- ) WAITING (MESH.md 7d.4). A node with nothing to do passes on
\ what has come for other nodes, (SERVE), and then goes through what has
@@ -440,7 +420,6 @@ set HDR-NFA here ", (LOST) #, 8 #, HDR-NFA #, HDR-LINK set HDR-LINK here :
set HDR-NFA here ", (REFUSED) #, 8 #, HDR-NFA #, HDR-LINK set HDR-LINK here : (REFUSED)' (REFUSED) ;
set HDR-NFA here ", (WORD-DEFINED) #, 8 #, HDR-NFA #, HDR-LINK set HDR-LINK here : (WORD-DEFINED)' (WORD-DEFINED) ;
set HDR-NFA here ", (WORD-FORGOTTEN) #, 8 #, HDR-NFA #, HDR-LINK set HDR-LINK here : (WORD-FORGOTTEN)' (WORD-FORGOTTEN) ;
set HDR-NFA here ", (GONE-HOOK) #, 8 #, HDR-NFA #, HDR-LINK set HDR-LINK here : (GONE-HOOK)' (GONE-HOOK) ;
set HDR-NFA here ", QUIT #, 0 #, HDR-NFA #, HDR-LINK set HDR-LINK here
: QUIT R-CLEAR (RESET) CR 0 jump (DONE)