Using it

Conformance ledger

What the recorded verdict corpus proves, per CPU. Every row is an observation of a real reference assembler, not an expectation written by hand. Regenerate with cargo xtask ledger.

  • Release: v0.0.58
  • Corpus hash: 9dba2571afe1a9dd4d63dae59dfe547970f0078a9abe5595bcd5ec9e24096358
  • Pinned curriculum: f11698d0b51b3a6c1209cec3d649229aa35af97f (2026-08-27)
  • CPUs: 23, holding 16920 verdict(s)

1802

Form coverage: 255/255 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 510

No tracked divergences.

2650

Form coverage: 245/245 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 490

No tracked divergences.

6502

Form coverage: 151/151 (100.0%)

arbiter version binaries verdicts
acme This is ACME, release 0.97 (“Zem”), 28 June 2020 2 curriculum 276, form 302, fuzz 200, probe 208
ca65 ca65 V2.18 - N/A 2 curriculum 102

Tracked divergences — differences we know about and check:

  • issue-93 — 2 case(s)

65816

Form coverage: 270/270 (100.0%)

arbiter version binaries verdicts
ca65 ca65 V2.18 - N/A 2 form 540, probe 134

Tracked divergences — differences we know about and check:

  • issue-228 — 1 case(s)
  • issue-93 — 2 case(s)

6800

Form coverage: 197/197 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 394

No tracked divergences.

68000

Form coverage: 838/838 (100.0%)

arbiter version binaries verdicts
vasmm68k_mot vasm 2.0b (c) in 2002-2025 Volker Barthelmann 1 curriculum 106, form 838, fuzz 100, probe 80, sweep-chunk 160
vasmm68k_mot vasm 2.0f (c) in 2002-2026 Volker Barthelmann 2 curriculum 106, form 1676, fuzz 91, probe 77, sweep-chunk 160

Tracked divergences — differences we know about and check:

  • canonicalisation-68000-0812FE97 — 1 case(s)
  • canonicalisation-68000-08AC909FCDFA — 1 case(s)
  • canonicalisation-68000-08F7F12AF8BB — 1 case(s)
  • issue-110 — 10 case(s)
  • issue-93 — 2 case(s)

6809

Form coverage: 277/280 (98.9%)

arbiter version binaries verdicts
lwasm lwasm from lwtools 4.25 2 form 554, fuzz 298, probe 100, sweep-chunk 196

Tracked divergences — differences we know about and check:

  • issue-93 — 2 case(s)

8039

Form coverage: 210/214 (98.1%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 420

No tracked divergences.

8048

Form coverage: 214/214 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 428

No tracked divergences.

8080

Form coverage: 244/244 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 488

No tracked divergences.

CP1610

Form coverage: 30/30 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 60, sweep-chunk 150

No tracked divergences.

F8

Form coverage: 253/253 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 506

No tracked divergences.

PDP-11

Form coverage: 96/96 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 192, sweep-chunk 156

No tracked divergences.

SC/MP

Form coverage: 121/121 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 242

No tracked divergences.

SM83

arbiter version binaries verdicts
rgbasm rgbasm v1.0.3 2 probe 130

Tracked divergences — differences we know about and check:

  • issue-199 — 13 case(s)

TMS7000

Form coverage: 203/203 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 406

No tracked divergences.

TMS9900

Form coverage: 69/69 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 138, sweep-chunk 112

No tracked divergences.

Z80

Form coverage: 796/796 (100.0%)

arbiter version binaries verdicts
pasmo PasmoNext v0.1.3 (PC) (C) 2004-2005 Julian Albo 2 curriculum 322, form 1592, fuzz 300, probe 72
sjasmplus SjASMPlus Z80 Cross-Assembler v1.21.0 (https://github.com/z00m128/sjasmplus) 2 curriculum 322, probe 222

Tracked divergences — differences we know about and check:

  • issue-205 — 1 case(s)
  • issue-230 — 1 case(s)
  • issue-93 — 4 case(s)
  • issue-98 — 1 case(s)
  • issue-99 — 1 case(s)

Z8000

Form coverage: 271/271 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 542, sweep-chunk 193

No tracked divergences.

Z8001

Form coverage: 271/271 (100.0%)

arbiter version binaries verdicts
asl Macro Assembler 1.42 Beta [Bld 309] 2 form 542, sweep-chunk 193

No tracked divergences.

Z80N

arbiter version binaries verdicts
sjasmplus SjASMPlus Z80 Cross-Assembler v1.21.0 (https://github.com/z00m128/sjasmplus) 2 probe 18

No tracked divergences.

huc6280

Form coverage: 234/234 (100.0%)

arbiter version binaries verdicts
ca65 ca65 V2.18 - N/A 2 form 468

No tracked divergences.

sm83

Form coverage: 504/504 (100.0%)

arbiter version binaries verdicts
rgbasm rgbasm v1.0.3 2 form 1008

No tracked divergences.