simon

simon pushed to develop at simon/post-scarcity

2026-03-24 16:54:31 +00:00

19d6b0df29 Firming up the roadmap for the 0.1.X prototype

914c35ead0 Moved legacy code into archive, ready for a new rapid(?) prototype.

09051a3e63 Added an essay on the design of paged space objects; started experimenting in Zig.

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simon commented on issue simon/post-scarcity#13

2026-03-22 10:31:13 +00:00

paged space objects

A perverse thought:

We need to store four bits. We currently have four bytes for the tag field, but we currently interpret those bytes as upper case ASCII characters. Which means we don't use…

simon commented on issue simon/post-scarcity#13

2026-03-20 22:19:42 +00:00

paged space objects

Obviously, we need separate free lists for each size of paged space objects; we can have a [0...16] array of pointers to those free lists.

simon opened issue simon/post-scarcity#13

2026-03-20 22:17:34 +00:00

paged space objects

simon opened issue simon/post-scarcity#12

2026-03-20 12:23:19 +00:00

rename eq? to identical?

simon commented on issue simon/post-scarcity#9

2026-03-19 14:25:31 +00:00

The bignum bug(s)

If, as proposed, in 0.1.0 I implement bignums in Lisp, there's a beautiful and easy-to-understand explanation of how they're implemented in ulisp here, which will…

simon pushed tag release/0.0.6 to simon/post-scarcity

2026-03-19 14:20:40 +00:00

simon pushed to develop at simon/post-scarcity

2026-03-19 14:00:42 +00:00

99d4794f3b Upversioned the C source tree to '0.0.7-SNAPSHOT', but proposing to start experimental

simon pushed to master at simon/post-scarcity

2026-03-19 13:50:39 +00:00

e5e0de957c Release 0.0.6!

788cb48b37 Ready for release 0.0.6 (still lots of bugs).

a20c956288 'Fixed' issue #8; but done so by introducing a goto. Not entirely happy about this.

dc5cac0bd8 Work on the 'member?' bug - (issue #8) -- which turns out to be assoc/interned.

7d0ce67373 Fixed a segfault when the system can initialise no more pages.

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simon pushed to develop at simon/post-scarcity

2026-03-19 13:39:59 +00:00

788cb48b37 Ready for release 0.0.6 (still lots of bugs).

simon closed issue simon/post-scarcity#11

2026-03-18 21:37:40 +00:00

The member? bug

simon pushed to develop at simon/post-scarcity

2026-03-18 21:37:10 +00:00

a20c956288 'Fixed' issue #8; but done so by introducing a goto. Not entirely happy about this.

simon pushed to develop at simon/post-scarcity

2026-03-18 20:45:26 +00:00

dc5cac0bd8 Work on the 'member?' bug - (issue #8) -- which turns out to be assoc/interned.

simon commented on issue simon/post-scarcity#11

2026-03-18 16:37:49 +00:00

The member? bug

This is in commit #7d0ce67373, although the bug has certainly been present in all commits up to this one.

simon opened issue simon/post-scarcity#11

2026-03-18 16:35:29 +00:00

The member? bug

simon pushed to develop at simon/post-scarcity

2026-03-18 13:31:26 +00:00

7d0ce67373 Fixed a segfault when the system can initialise no more pages.

simon pushed to develop at simon/post-scarcity

2026-03-18 12:22:56 +00:00

69b199fecd Found and fixed a bug I did not previously know about in println.

54a99b6796 Working on the member? bug. No fix, but some improvements in debug message format.

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simon pushed to develop at simon/post-scarcity

2026-03-16 15:28:33 +00:00

109d400f00 Added the unit test for member!

simon pushed to develop at simon/post-scarcity

2026-03-16 15:27:06 +00:00

de50a30be2 Getting closer to tracking down the member bug, but cannot use debugger on laptop screen.

simon pushed to develop at simon/post-scarcity

2026-03-14 21:29:49 +00:00

d42ece5711 Tactical commit while working on the bignum bug, AGAIN.