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docs(v4.0.0): MACHINE.md -- the ROM is whatever size it takes; not a question

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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rajames
2026-10-15 05:43:42 -04:00
co-authored by Claude Opus 5.5
parent e429d30a7e
commit 3eca84e433
1 changed files with 4 additions and 4 deletions
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docs/v4.0.0/MACHINE.md
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@@ -42,6 +42,8 @@ vocabularies. These are `.f18` source.
bitstream is. That build is the only thing done off the node. It produces one ROM per cell bitstream is. That build is the only thing done off the node. It produces one ROM per cell
width (32 and 64 bits). width (32 and 64 bits).
**Size.** Whatever it takes.
**Read-only.** A store into the ROM is an address fault. Seal and `COLD` never go below it. **Read-only.** A store into the ROM is an address fault. Seal and `COLD` never go below it.
## 3. The boot ## 3. The boot
@@ -129,12 +131,10 @@ Each step is accepted as `.claude/CLAUDE.md` says:
1080 lines over 64 characters. Proposed: `.f18` is plain text with no block format. 1080 lines over 64 characters. Proposed: `.f18` is plain text with no block format.
3. **The `v3/` tree.** Deleted, or kept out of every build but left in the repository? Kept, 3. **The `v3/` tree.** Deleted, or kept out of every build but left in the repository? Kept,
it lets `mkpost.py` write POST's cases again. it lets `mkpost.py` write POST's cases again.
4. **ROM size.** It is whatever the assembler and blob reader take. It is set when step 1 is 4. **Where `starforth.4th` loads.** Proposed: with `forth79.4th`, by the kernel and before
built.
5. **Where `starforth.4th` loads.** Proposed: with `forth79.4th`, by the kernel and before
POST, because v3's StarForth words are system words and v3's POST covers them. Layer 3 is POST, because v3's StarForth words are system words and v3's POST covers them. Layer 3 is
`init.4th`'s. `init.4th`'s.
6. **Where the standard's names live.** "100 percent" in `forth79.4th`: does it name all 130 5. **Where the standard's names live.** "100 percent" in `forth79.4th`: does it name all 130
Required words, including the ones that are single opcodes (`DUP`, `+`, `@`)? Proposed: yes. Required words, including the ones that are single opcodes (`DUP`, `+`, `@`)? Proposed: yes.
The `.f18` primitives carry their own names, and `forth79.4th` gives every standard word its The `.f18` primitives carry their own names, and `forth79.4th` gives every standard word its
standard name and behaviour. The `.f18` layer then holds no FORTH-79 names at all. standard name and behaviour. The `.f18` layer then holds no FORTH-79 names at all.