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feat(v4): the shared math in both ROMs, and a mesh node's ROM

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MACHINE.md 2.2.  UM*, UM/MOD, D+, DNEGATE, Q.* and Q./ are entries 0-5
of the host ROM and of a mesh node's ROM, from one source (rom/math.f18)
and one entry list (v4/rom_entries.h).  The host ROM starts at entry 18.
The mesh ROM is 277 words; the host ROM 2372.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-15 19:46:00 -04:00
co-authored by Claude Opus 5.5
parent 473e105a69
commit 11b5d402b1
11 changed files with 426 additions and 43 deletions
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v4/tests/test_host_rom_asm.c
+1 -1
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@@ -69,7 +69,7 @@ static int rom_run(const char *text)
failed_lo = lo; failed_hi = hi < 0 ? (long)V4_ROM_BASE + (long)ROM_IMAGE_WORDS : hi;
}
rom_boot(&b);
b.p = V4_ROM_BASE + 12;
b.p = V4_ROM_BASE + (v4_cell)V4_ROM_START;
while (steps++ < 50000000L) {
if (fed <= len) fed += v4_node_console_feed(&b, text + fed, (unsigned)(len + 1 - fed));
if (b.p < V4_ROM_BASE) return 1;