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diff --git a/database.json b/database.json
index 92164f78..5d19d83d 100644
--- a/database.json
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 {
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+      "name": "spectrum48.spanish.rom",
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@@ -47541,6 +47748,15 @@
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     },
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+      "name": "tk90.rom",
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@@ -49890,6 +50106,24 @@
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       "crc32": "9ed23a12"
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@@ -51793,6 +52027,9 @@
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@@ -55345,8 +55584,12 @@
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@@ -55375,6 +55618,20 @@
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@@ -55391,6 +55648,7 @@
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@@ -55652,6 +55910,8 @@
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@@ -60437,6 +60697,15 @@
       "squirreljme.sqc": [
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       ],
+      "jupiterace.rom": [
+        "597ba8a15a292688333c84dc9fd35172abe5e7e6"
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+      "lambda8300.rom": [
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@@ -60476,6 +60745,9 @@
       "level4P.rom": [
         "41184f5240b4b54f3804f5a22b4d78bbba52ed1d"
       ],
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@@ -68765,6 +69037,9 @@
       "001-Blue01.png": [
         "b77432504698d3b01ab2034b5fa1d613a77f2fe2"
       ],
+      "ringo470.rom": [
+        "191c4994adfffe4f83b98dc3959dde2724b1dbac"
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@@ -69809,12 +70084,24 @@
       "sram.dat": [
         "cede52455ac2a92607b4a16b59a9296f9be3b78e"
       ],
+      "zx80.rom": [
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@@ -69899,6 +70186,48 @@
       "speccyboot-1.4.rom": [
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       ],
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@@ -69947,6 +70276,9 @@
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@@ -70699,6 +71031,12 @@
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@@ -71290,6 +71628,9 @@
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@@ -73635,6 +73976,9 @@
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@@ -73648,6 +73992,7 @@
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@@ -76796,6 +77141,7 @@
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       "362e948d": "fc398ab4e13ca6bfef3366ed3391b1050e0eb5e8",
@@ -77187,8 +77533,12 @@
       "6c7ef608": "77511fc58798404701f66b6bbc9cbde06596eba7",
       "00eeb408": "e33cdcdb69cd257b0b211ef46e7a8b144637db57",
       "37f87fac": "cede52455ac2a92607b4a16b59a9296f9be3b78e",
+      "4c7fc597": "b6769a3197c77009e0933e038c15b43cf4c98c7a",
       "761137d7": "04e352ab6d6ca7f50109f67c850d9dc0f467de77",
+      "fcbbd617": "a0ade36540561cc1691bb6f0c42ceae12484a102",
+      "522c37b8": "c6d8e06cb936989f6e1cc7a56d1f092da854a515",
       "4b1dd6eb": "7b143ee964e9ada89d1f9e88f0bd48d919184cfc",
+      "5cf49744": "b2a486efdc7b2bc3dc8e5a441ea5532bfa3207bd",
       "e76799d2": "4f4b11ec22326280bdb96e3baf9db4b4cb1d02c5",
       "b96a36be": "80080644289ed93d71a1103992a154cc9802b2fa",
       "453d86b2": "968937b1c750f0ef6205f01c6db4148da4cca4e3",
@@ -77217,6 +77567,20 @@
       "8f1047d2": "8608328d7dd66602a4846f046b24fed500f7d828",
       "16ed3a9b": "3be5de57dd3bd0a9d15c57cabe9179afe2906a52",
       "37c591b2": "16af6f052b38a027dd49ba6e96e3a59d16b62672",
+      "8f769de7": "8a5be00921afd4e2c74059c217b31b9fb51c3d41",
+      "e7a517dc": "8cafb292af58617907b9e6b9093d3588a75849b8",
+      "5660f4b4": "baca5d798b3e786078feded19486d9fc29dbd4b7",
+      "55c960eb": "89695fd69dfcaf1969913c4a9d5d6f95defadd33",
+      "96e3c17a": "929bf1a5e5687ebd8d7245f9b513a596c0ec21a4",
+      "bcd3924e": "0606d615cfadcbf32e0a894e9733534bc7b66982",
+      "be0d9ec4": "500c0945760abeefcbd08bc22c0d07b14b336cf0",
+      "0ade13f8": "a4b311135ccbe010318dcb872dae2c8f078c7447",
+      "0437b160": "57c0b6681224378ce1d279fde13d644478423783",
+      "15b166ba": "72c428b0768f92b3621f4e21847ceb712023b356",
+      "5a0bdc95": "2a3a549b4fc9f8c296502e5184d61f26675e2395",
+      "de97b571": "c2de5a9fd9c429fd3b9a2074af831100505a4fec",
+      "a8a41da5": "b1abc2ef2101aeef628d978dae682aaaa7b5a896",
+      "f051746e": "9e535e2e24231ccb65e33d107f6d0ceb23e99477",
       "8d1c41f4": "3b1287bfc6fec9c7dd838f6ea1706698cb96fd16",
       "ccda9cc2": "ec9e5607ce7faf2d6a5d71e5e21188ca86e963a1",
       "dbc1a386": "f2d2227dce697df8aac78883eaf966e71435caa3",
@@ -77233,6 +77597,7 @@
       "f1b5fa67": "febb2d495b6eda7cdcb4074935d6e9d9f328972d",
       "bf44ec3f": "1446cb2780a9dedf640404a639fa3ae518b2d8aa",
       "ae16233a": "7e265a2c1f621ed365ea23bdcafdedbc79c1299c",
+      "17368e07": "94edc401d43b0e9a9cdc1d35de4b6462dc414ab3",
       "10751aba": "21695e3f2a8f796386ce66eea8a246b0ac44810c",
       "2cbe8995": "16375d42ea109b47edded7a16028de7fdb3013a1",
       "d5ff6273": "48f6a9e001e2cb002217107c46fb0459069d1a42",
@@ -77494,6 +77859,8 @@
       "f93bd9f7": "e05575b630bea7ff98b9ca1f083d745abb3110b6",
       "71879a28": "a11d1801594fa3d1f95d37bbcc2e0faa1ad013c6",
       "9ed23a12": "e0f5e2eced447abf9948342b2facc40179f0f527",
+      "7dd19c48": "3eb437359221b4406d236085ec66fa02278e7495",
+      "48004230": "34cd8113bf75b65a4da6eea355f9d46ad635f7e4",
       "dc569ae7": "8bbe175a406e2e38227d8bdca1a820c727f80c03",
       "0d9fbdbb": "273dbb7a93eb0ab83c2e13e9db51b897cc18f838",
       "c3c590c6": "5ac620c529e4965efb5560fe824854a44c983757",
diff --git a/emulators/81.yml b/emulators/81.yml
index 2b5c8225..a304703a 100644
--- a/emulators/81.yml
+++ b/emulators/81.yml
@@ -5,40 +5,273 @@ upstream: "https://github.com/charlierobson/EightyOne"
 profiled_date: "2026-03-18"
 core_version: "1.0a"
 display_name: "Sinclair - ZX 81 (EightyOne)"
-cores:
-  - 81
+cores: [81]
 systems:
   - sinclair-zx81
+  - sinclair-zx80
+  - jupiter-ace
+  - timex-ts1500
+  - timex-ts2068
+  - lambda-8300
+  - ringo-r470
+  - microdigital-tk85
 
 notes: |
-  Libretro core embeds zx81.rom and dkchr.rom as C arrays (xxd -i at build).
-  Core never calls RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY.
-  Standalone EightyOne loads ROMs from filesystem (cwd/ROM/<filename>).
+  Libretro port embeds zx81.rom and dkchr.rom as C arrays (xxd -i).
+  Core never accesses filesystem for ROMs. Hardcodes MACHINEZX81.
+  ref: 81-libretro/81/zx81/snap.c:37-38, 487-508
 
-  Original emulator supports ~15 machines (ZX80, ZX81, Jupiter ACE, TS1500,
-  Lambda, R470, TK85, ZX97LE, Spectrum variants). Libretro port hardcodes
-  MACHINEZX81 — only zx81.rom and dkchr.rom are embedded.
+  Original EightyOne supports 15+ machines, loads ROMs from ROM/ directory.
+  ref: EightyOne/Source/zx81/snap.cpp:1219-1279 — open(cwd/ROM/filename)
+  ref: EightyOne/Source/HW_.cpp:2734 — LoadRomBox() per-machine ROM list
+
+  No platform currently requires these files (libretro core embeds them).
+  Archived for museum preservation and future standalone platform use.
 
 files:
-  # mode: standalone = only needed when running as standalone emulator
-  # mode: libretro = only needed when running as libretro core
-  # mode: both (default if absent) = needed in both modes
+  # --- libretro core: embedded, no external files needed ---
+  # mode: standalone = needed only for standalone emulator
+  # mode: libretro = needed only for libretro core
+  # mode: both = needed in both modes (default if absent)
 
-  # ref: 81-libretro/81/zx81/snap.c:37,489-496 — embedded as bin_ROM_zx81_rom
-  # ref: EightyOne/Source/zx81/snap.cpp:1219-1279 — open(cwd/ROM/zx81.rom)
+  # ZX81 (default machine for libretro port)
   - name: zx81.rom
     system: sinclair-zx81
     required: true
     mode: standalone
     size: 8192
-    note: "ZX81 8K BASIC ROM. Embedded in libretro core, external for standalone."
-    source_ref: "EightyOne/Source/zx81/snap.cpp:1264, 81-libretro/81/zx81/snap.c:489"
-
-  # ref: 81-libretro/81/zx81/snap.c:38,499-508 — embedded as bin_ROM_dkchr_rom
+    md5: db398d4e4e93a6d4dee3bfe146918219
+    note: "ZX81 8K BASIC ROM (edition 3). Embedded in libretro core."
+    source_ref: "81-libretro/81/zx81/snap.c:489, EightyOne/Source/HW_.cpp:2744"
+  - name: zx81.edition1.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 8192
+    md5: 56efa70bbaf311915c56cfdc70584e96
+    note: "ZX81 ROM edition 1"
+    source_ref: "EightyOne/Source/HW_.cpp:2742"
+  - name: zx81.edition2.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 8192
+    md5: b9fd58d324b6297f2a696d40722f95dc
+    note: "ZX81 ROM edition 2"
+    source_ref: "EightyOne/Source/HW_.cpp:2743"
   - name: dkchr.rom
     system: sinclair-zx81
     required: false
     mode: standalone
     size: 4096
+    md5: ""
     note: "dK'tronics character ROM. Embedded in libretro core."
     source_ref: "81-libretro/81/zx81/snap.c:499"
+
+  # ZX80
+  - name: zx80.rom
+    system: sinclair-zx80
+    required: true
+    mode: standalone
+    size: 4096
+    md5: e03bd725f98be45aac39c85f7fd41ce4
+    note: "ZX80 4K ROM"
+    source_ref: "EightyOne/Source/HW_.cpp:2737"
+
+  # ZX97LE
+  - name: zx97.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 32768
+    md5: cc69fdd6195acdfd1e533b2eb4c2a632
+    note: "ZX97LE 32K ROM"
+    source_ref: "EightyOne/Source/HW_.cpp:2789"
+
+  # Jupiter ACE
+  - name: jupiterace.rom
+    system: jupiter-ace
+    required: true
+    mode: standalone
+    size: 8192
+    md5: db6efdfd82cebdfbb493d85b1a5efc3c
+    note: "Jupiter ACE Forth ROM"
+    source_ref: "EightyOne/Source/HW_.cpp:2753"
+
+  # Timex TS1500
+  - name: ts1500.rom
+    system: timex-ts1500
+    required: true
+    mode: standalone
+    size: 8192
+    md5: dea07eb23c5768ddf3ed90740eab85cb
+    source_ref: "EightyOne/Source/HW_.cpp:2757"
+
+  # Timex TS2068
+  - name: ts2068.rom
+    system: timex-ts2068
+    required: true
+    mode: standalone
+    size: 24576
+    md5: 9194283503a105f3f3dfba13e61e993f
+    source_ref: "EightyOne/Source/ROMs/ts2068.rom"
+
+  # Lambda 8300
+  - name: lambda8300.rom
+    system: lambda-8300
+    required: true
+    mode: standalone
+    size: 8192
+    md5: e232dfce1dcae65953583f66af146232
+    source_ref: "EightyOne/Source/HW_.cpp:2773"
+  - name: lambda8300colour.rom
+    system: lambda-8300
+    required: false
+    mode: standalone
+    size: 8192
+    md5: 03aeea3abc7b1ca5f241935477ce71be
+    source_ref: "EightyOne/Source/ROMs/lambda8300colour.rom"
+
+  # Ringo R470
+  - name: ringo470.rom
+    system: ringo-r470
+    required: true
+    mode: standalone
+    size: 8192
+    md5: a70bbb0dfe4bb8556e74258062766f5d
+    source_ref: "EightyOne/Source/HW_.cpp:2769"
+
+  # Microdigital TK85
+  - name: tk85.rom
+    system: microdigital-tk85
+    required: true
+    mode: standalone
+    size: 10240
+    md5: b301cdad72448d92598197b45bead8fe
+    source_ref: "EightyOne/Source/HW_.cpp:2777"
+
+  # Timex TC2048
+  - name: tc2048.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: 9dd7ecf784a6c04265c073c236f5fadb
+    source_ref: "EightyOne/Source/ROMs/tc2048.rom"
+
+  # ZX Spectrum variants (standalone mode, multiple localizations)
+  - name: spectrum48.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: 4c42a2f075212361c3117015b107ff68
+    note: "Spectrum 48K"
+    source_ref: "EightyOne/Source/HW_.cpp:2802"
+  - name: spectrum48.spanish.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: 60e1bd8b4d59b55e5b2175126239517f
+  - name: spectrum48.arabic.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: 9f6f56003307b9d55be96f406fdbf2b1
+  - name: spectrum48.arabic.version1.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: a6a1e3a68bb5523997103c3925a46fe4
+  - name: spectrum48.arabic.version2.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: fac3d08455328c34f0d06344d89cec0e
+  - name: spectrum48.nordic.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: f058f27ae61af225fe5baacc1d89adfc
+  - name: spectrum128.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 32768
+    md5: 85fede415f4294cc777517d7eada482e
+    note: "Spectrum 128K"
+  - name: spectrum128.spanish.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 32768
+    md5: 84aef735da122d55e41a33455c7c3506
+  - name: spectrum+2.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 32768
+    md5: 238f77692156a5c49d20c0aa2862e8bb
+    note: "Spectrum +2"
+  - name: spectrum+2.french.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 32768
+    md5: 1fff14aeca8e1dd3670142982cc6bb36
+  - name: spectrum+2.spanish.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 32768
+    md5: 43cf648e27efc9be8186bb7049505d79
+  - name: spectrum+3.version4-0.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 65536
+    md5: 05de80a055b5e7866f55769db0584d6e
+    note: "Spectrum +3"
+  - name: spectrum+3.version4-0.spanish.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 65536
+    md5: 990dfe9d37b48595f5befe0e4ff4b7c6
+  - name: spectrum+3.version4-1.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 65536
+    md5: 7e00ed3562abfd188d0d4da03e80bc0a
+  - name: spectrum+3.version4-1.spanish.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 65536
+    md5: 52d130178c1106fef765b5f119fb43bc
+  - name: spectrum+3.arabic3-a.english4-0.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 131072
+    md5: 30316fa0ed7ee6682933960e11b48d60
+  - name: tk90.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: b7893ad25728fbf6410f08eddd4a1cad
+    note: "Microdigital TK90X"
+  - name: tk95.rom
+    system: sinclair-zx81
+    required: false
+    mode: standalone
+    size: 16384
+    md5: b7893ad25728fbf6410f08eddd4a1cad
+    note: "Microdigital TK95"