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…nity#1483) The verification course (gHashTag/trinity#1483) needs a coverage model for its lesson 16; this is the gHashTag/t27 side. Line/branch points, toggle points per signal bit and direction, FSM state and transition points, each with a hit counter; integer percentages that return 0 when nothing was measured; illegal transitions that must stay at 0 hits. 26 tests (t27c test-report: 26/26, 0 vacuous) and 4 invariants, proved comptime. Flat arrays + count fields, the style of specs/fpga/simulator.t27 and vcd_trace.t27. trinity vendors the same file byte-identically. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This was referenced Oct 7, 2026
This was referenced Oct 8, 2026
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specs/fpga/coverage.t27— line, toggle and FSM coverage expressed as a t27 spec: 506 lines, 26 tests + 4 invariants, t27c test-report 26/26 with 0 vacuous claims.Canonical home for the spec the verification course lesson vendors (gHashTag/trinity#1483 — the course branch
feat/course-verification-1483carries the vendored copy; the nightly vendored-sha gate picks it up once this merges).Closes #7578
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