Fix FBNeo Pages romset launch

.github/workflows/build.yml

@@ -16,7 +16,7 @@ permissions:
 env:
   FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
   PAGES_DOOM_IWAD: .tools/assets/freedoom-0.13.0.zip
-  PAGES_DOOM_CROM_FILE_BYTES: "2097152"
+  PAGES_DOOM_CROM_FILE_BYTES: "4194304"
 
 concurrency:
   group: pages-${{ github.ref }}
@@ -258,12 +258,12 @@ jobs:
           import zipfile
 
           expected_rom = {
-              "202-p1.p1": 0x2B61415B,
-              "202-s1.s1": 0xCD19264F,
-              "202-c1.c1": 0xCC0095EF,
-              "202-c2.c2": 0x42371307,
-              "202-m1.m1": 0x9C0291EA,
-              "202-v1.v1": 0xDEBEB8FB,
+              "221-p1.p1": 0x7BE82353,
+              "221-s1.s1": 0x2A4063A3,
+              "221-c1.c1": 0x1F862A14,
+              "221-c2.c2": 0x14B90536,
+              "221-m1.m1": 0xBDDAE628,
+              "221-v1.v1": 0x7E5E53E4,
           }
           expected_bios = {
               "sp-s3.sp1": 0x91B64BE3,
@@ -281,12 +281,23 @@ jobs:
                           raise SystemExit(f"{path}:{name} CRC {actual:08x} != {crc:08x}")
 
           main_rom = glob.glob("dist/pages/rom/web-*/doomgeo-aes.zip")
+          main_launch_rom = glob.glob("dist/pages/rom/web-*/magdrop2.zip")
           main_bios = glob.glob("dist/pages/rom/web-*/neogeo.zip")
           asm_rom = glob.glob("dist/pages/rom/asm/web-*/doomgeo-aes-asm.zip")
-          if len(main_rom) != 1 or len(main_bios) != 1 or len(asm_rom) != 1:
-              raise SystemExit(f"unexpected web package layout: {main_rom=} {main_bios=} {asm_rom=}")
+          asm_launch_rom = glob.glob("dist/pages/rom/asm/web-*/magdrop2.zip")
+          if len(main_rom) != 1 or len(main_launch_rom) != 1 or len(main_bios) != 1 or len(asm_rom) != 1 or len(asm_launch_rom) != 1:
+              raise SystemExit(
+                  "unexpected web package layout: "
+                  f"{main_rom=} {main_launch_rom=} {main_bios=} {asm_rom=} {asm_launch_rom=}"
+              )
           check(main_rom[0], expected_rom)
+          check(main_rom[0], expected_bios)
+          check(main_launch_rom[0], expected_rom)
+          check(main_launch_rom[0], expected_bios)
           check(asm_rom[0], expected_rom)
+          check(asm_rom[0], expected_bios)
+          check(asm_launch_rom[0], expected_rom)
+          check(asm_launch_rom[0], expected_bios)
           check(main_bios[0], expected_bios)
           PY
 

Makefile

@@ -275,8 +275,8 @@ gngeo gngeo-fullscreen: GNGEO_DATAFILE=$(GNGEO_RUN_DATAFILE)
 gngeo gngeo-fullscreen: $(GNGEO_RUN_DATAFILE)
 
 # Keep the packaged C-ROM size explicit. Local GnGeo launches generate a
-# matching datafile because the stock puzzledp metadata only maps 1 MiB per
-# C-ROM and corrupts/omits larger generated sprite banks.
+# matching datafile because stock arcade metadata can map smaller C-ROM windows
+# than the generated sprite bank.
 CROMSIZE=$(DOOM_CROM_FILE_BYTES)
 
 

README.md

@@ -189,9 +189,9 @@ python3 tools/inspect_map_specials.py --map E1M2
 
 You must provide your own Neo Geo BIOS for local emulation. The browser package
 uses a separate Freedoom-based ROM and an FBNeo-compatible packaging path, but
-that does not rename the project: `DoomGeo-AES` is the game name; `puzzledp` is
-only the private FBNeo driver/chip identity used so the arcade core accepts the
-generated homebrew ROM zip.
+that does not rename the project: `DoomGeo-AES` is the game name. The browser
+player launches a `magdrop2` romset package internally so the arcade core
+accepts the generated homebrew ROM zip.
 
 ## Documentation
 

docs/build-packaging.md

@@ -16,17 +16,22 @@ expose the standalone 68000 assembly ROM at `asm.html`.
 
 FBNeo is an arcade core and validates known romsets by filename, size, and CRC.
 For the Pages bundle only, `doomgeo-build pages` writes FBNeo-compatible launch
-zips against the `puzzledp` driver by adjusting unused padding bytes in the
-generated ROM chips and null BIOS aliases. The public Pages/download zip names
-are still `doomgeo-aes.zip` and `doomgeo-aes-asm.zip`; `puzzledp` remains only
-the private FBNeo driver/chip compatibility identity. The raw build artifacts
-under `build/rom/` are not rewritten this way; this compatibility package is
-only for the browser player.
+zips against the `magdrop2` driver by adjusting unused padding bytes in the
+generated ROM chips and null BIOS aliases. `magdrop2` is used because its FBNeo
+driver has 4 MiB C1/C2 graphics ROM windows, matching the generated web sprite
+bank without cutting assets back to a smaller romset shape. The browser
+player launches `magdrop2.zip` and sets `EJS_gameName = "magdrop2"` because
+FBNeo identifies arcade games by driver/romset name. The bundle also writes
+project-named copies
+(`doomgeo-aes.zip` and `doomgeo-aes-asm.zip`) for download links, but those are
+not the files passed to the emulator. The raw build artifacts under
+`build/rom/` are not rewritten this way; this compatibility package is only for
+the browser player.
 
 The deployed Pages ROM is built separately from the normal native artifact. CI
-uses the redistributable Freedoom IWAD and `DOOM_CROM_FILE_BYTES=2097152` for
+uses the redistributable Freedoom IWAD and `DOOM_CROM_FILE_BYTES=4194304` for
 that job so the browser package does not embed proprietary Doom assets and still
-matches the fixed C-ROM chip sizes expected by FBNeo's `puzzledp` driver. The
+matches the fixed C-ROM chip sizes expected by FBNeo's `magdrop2` driver. The
 regular Linux, Windows, and local ROM artifacts are left on the normal build
 path.
 
@@ -395,8 +400,10 @@ The Pages job consumes the Freedoom web ROM artifact and writes:
 ```text
 dist/pages/index.html
 dist/pages/asm.html
+dist/pages/rom/web-<hash>/magdrop2.zip
 dist/pages/rom/web-<hash>/doomgeo-aes.zip
 dist/pages/rom/web-<hash>/neogeo.zip
+dist/pages/rom/asm/web-<hash>/magdrop2.zip
 dist/pages/rom/asm/web-<hash>/doomgeo-aes-asm.zip
 ```
 

docs/features.md

@@ -890,5 +890,6 @@ readable.
 - Windows builds are supported through MSYS2 UCRT64.
 - GitHub Actions builds Linux ROM, Windows ROM, standalone helper binaries, a
   Pages-playable FBNeo package, and a separate 68000 ASM ROM.
-- Browser packages are public `doomgeo-aes.zip` / `doomgeo-aes-asm.zip` files,
-  while the internal FBNeo chip names/CRCs match the `puzzledp` driver.
+- Browser packages launch `magdrop2.zip` with internal FBNeo chip names/CRCs
+  matching the `magdrop2` driver, with project-named copies available as
+  download links.

docs/release-plan.md

@@ -20,22 +20,23 @@ the other only accompanies and tracks the plan.
 
 ## Evidence
 
-- Linux ROM builds are expected to produce `build/rom/puzzledp.zip` internally,
+- Linux ROM builds are expected to produce `build/rom/magdrop2.zip` internally,
   then package it as `dist/rom/doomgeo-aes.zip`.
-- ASM ROM builds are expected to produce `build/asm-rom/puzzledp.zip` from
+- ASM ROM builds are expected to produce `build/asm-rom/magdrop2.zip` from
   `asm/doomgeo_asm.S`, then package it as `dist/asm-rom/doomgeo-aes-asm.zip`.
 - Windows/MSYS2 ROM builds are expected to produce the same packaged
   `doomgeo-aes.zip` through the UCRT64 ngdevkit packages.
 - Standalone helper builds are expected to produce `doomgeo-build` and
   `doomgeo-plan` artifacts for Linux, plus `.exe` variants for Windows.
 - The Pages bundle is expected to publish `index.html`, `asm.html`,
-  `rom/web-<hash>/doomgeo-aes.zip`, `rom/web-<hash>/neogeo.zip`, and
+  `rom/web-<hash>/magdrop2.zip`, `rom/web-<hash>/doomgeo-aes.zip`,
+  `rom/web-<hash>/neogeo.zip`, `rom/asm/web-<hash>/magdrop2.zip`, and
   `rom/asm/web-<hash>/doomgeo-aes-asm.zip`.
 - The Pages ROM zips are expected to be FBNeo-compatible launch packages with
-  `puzzledp` driver chip filenames, sizes, and CRCs internally while preserving
+  `magdrop2` driver chip filenames, sizes, and CRCs internally while preserving
   the generated homebrew data outside the final padding correction bytes.
 - The Pages main ROM is expected to come from a separate Freedoom-based build
-  with 2 MiB C-ROM chips, not from the normal native/local ROM artifact.
+  with 4 MiB C-ROM chips, not from the normal native/local ROM artifact.
 - Repo-local installs are removable with `doomgeo-build uninstall`; `--all`
   also removes cached WAD/package downloads under `.tools`.
 - The installer decision is MSYS2 UCRT64 for native Windows builds, with WSL

rom.mk

@@ -6,7 +6,7 @@ BUILDDIR?=build
 ROM?=$(BUILDDIR)/rom
 
 # ROM name
-GAMEROM=puzzledp
+GAMEROM=magdrop2
 
 # program ROM
 PROMSIZE=524288

tools/doomgeo_build.py

@@ -24,28 +24,21 @@
 PROJECT_NAME = "DoomGeo-AES"
 PACKAGE_ROM_ZIP = "doomgeo-aes.zip"
 PACKAGE_ASM_ROM_ZIP = "doomgeo-aes-asm.zip"
-FBNEO_COMPAT_ROM_ZIP = "puzzledp.zip"
+FBNEO_COMPAT_ROM_ZIP = "magdrop2.zip"
+FBNEO_DRIVER_NAME = "magdrop2"
 ROM_ZIP = Path("build") / "rom" / FBNEO_COMPAT_ROM_ZIP
 ROM_ELF = Path("build") / "rom.elf"
 BIOS_ZIP = Path("build") / "rom" / "neogeo.zip"
 ASM_ROM_ZIP = Path("build") / "asm-rom" / FBNEO_COMPAT_ROM_ZIP
 ASM_ROM_ELF = Path("build") / "asm" / "doomgeo_asm.elf"
 ASM_BIOS_ZIP = Path("build") / "asm-rom" / "neogeo.zip"
-FBNEO_PUZZLEDP_CRC = {
-    "202-p1.p1": 0x2B61415B,
-    "202-s1.s1": 0xCD19264F,
-    "202-c1.c1": 0xCC0095EF,
-    "202-c2.c2": 0x42371307,
-    "202-m1.m1": 0x9C0291EA,
-    "202-v1.v1": 0xDEBEB8FB,
-}
-FBNEO_PUZZLEDP_SIZE = {
-    "202-p1.p1": 0x80000,
-    "202-s1.s1": 0x20000,
-    "202-c1.c1": 0x200000,
-    "202-c2.c2": 0x200000,
-    "202-m1.m1": 0x20000,
-    "202-v1.v1": 0x80000,
+FBNEO_ROM_ENTRIES = {
+    "221-p1.p1": ("202-p1.p1", 0x80000, 0x7BE82353),
+    "221-s1.s1": ("202-s1.s1", 0x20000, 0x2A4063A3),
+    "221-c1.c1": ("202-c1.c1", 0x400000, 0x1F862A14),
+    "221-c2.c2": ("202-c2.c2", 0x400000, 0x14B90536),
+    "221-m1.m1": ("202-m1.m1", 0x20000, 0xBDDAE628),
+    "221-v1.v1": ("202-v1.v1", 0x200000, 0x7E5E53E4),
 }
 FBNEO_NEOGEO_CRC = {
     "sp-s3.sp1": 0x91B64BE3,
@@ -364,11 +357,13 @@ def force_crc32(data: bytes, desired: int, patch_offset: int | None = None) -> b
     return bytes(patched)
 
 
-def write_zip_entries(path: Path, entries: dict[str, bytes]) -> None:
+def write_zip_entries(path: Path, entries: dict[str, bytes], compression: int | None = None) -> None:
     import zipfile
 
     path.parent.mkdir(parents=True, exist_ok=True)
-    with zipfile.ZipFile(path, "w", compression=zipfile.ZIP_DEFLATED) as archive:
+    if compression is None:
+        compression = zipfile.ZIP_DEFLATED
+    with zipfile.ZipFile(path, "w", compression=compression) as archive:
         for name, data in entries.items():
             archive.writestr(name, data)
 
@@ -381,35 +376,20 @@ def web_asset_version(paths: list[Path]) -> str:
     return digest.hexdigest()[:12]
 
 
-def build_fbneo_rom_zip(source_zip: Path, out_zip: Path) -> None:
-    import zipfile
-
-    if not source_zip.exists():
-        raise BuildError(f"ROM not found: {source_zip}")
-    entries: dict[str, bytes] = {}
-    with zipfile.ZipFile(source_zip) as archive:
-        for name, desired_crc in FBNEO_PUZZLEDP_CRC.items():
-            try:
-                data = archive.read(name)
-            except KeyError as exc:
-                raise BuildError(f"ROM entry missing for FBNeo package: {name}") from exc
-            expected_size = FBNEO_PUZZLEDP_SIZE[name]
-            if len(data) != expected_size:
-                raise BuildError(
-                    f"ROM entry {name} is {len(data)} bytes, but the FBNeo puzzledp "
-                    f"web driver expects {expected_size} bytes; rebuild the Pages ROM "
-                    "with DOOM_CROM_FILE_BYTES=2097152"
-                )
-            entries[name] = force_crc32(data, desired_crc)
-    write_zip_entries(out_zip, entries)
-    print_step(f"wrote FBNeo-compatible ROM package to {out_zip}")
+def pad_rom_entry(data: bytes, expected_size: int, name: str) -> bytes:
+    if len(data) > expected_size:
+        raise BuildError(
+            f"ROM entry {name} is {len(data)} bytes, but the FBNeo {FBNEO_DRIVER_NAME} "
+            f"web driver expects {expected_size} bytes"
+        )
+    if len(data) < expected_size:
+        return data + (b"\xff" * (expected_size - len(data)))
+    return data
 
 
-def build_fbneo_bios_zip(source_zip: Path, out_zip: Path) -> None:
+def fbneo_bios_entries(source_zip: Path) -> dict[str, bytes]:
     import zipfile
 
-    if not source_zip.exists():
-        raise BuildError(f"BIOS not found: {source_zip}")
     with zipfile.ZipFile(source_zip) as archive:
         source_names = set(archive.namelist())
 
@@ -425,13 +405,41 @@ def read_first(*names: str) -> bytes:
             "sfix.sfix": force_crc32(read_first("sfix.sfix"), FBNEO_NEOGEO_CRC["sfix.sfix"]),
             "000-lo.lo": force_crc32(read_first("000-lo.lo"), FBNEO_NEOGEO_CRC["000-lo.lo"]),
         }
+    return entries
+
+
+def build_fbneo_rom_zip(source_zip: Path, out_zip: Path, bios_zip: Path | None = None) -> None:
+    import zipfile
+
+    if not source_zip.exists():
+        raise BuildError(f"ROM not found: {source_zip}")
+    entries: dict[str, bytes] = {}
+    with zipfile.ZipFile(source_zip) as archive:
+        for target_name, (source_name, expected_size, desired_crc) in FBNEO_ROM_ENTRIES.items():
+            try:
+                data = archive.read(source_name)
+            except KeyError as exc:
+                raise BuildError(f"ROM entry missing for FBNeo package: {source_name}") from exc
+            data = pad_rom_entry(data, expected_size, target_name)
+            entries[target_name] = force_crc32(data, desired_crc)
+    if bios_zip:
+        entries.update(fbneo_bios_entries(bios_zip))
+    write_zip_entries(out_zip, entries, compression=zipfile.ZIP_STORED)
+    print_step(f"wrote FBNeo-compatible ROM package to {out_zip}")
+
+
+def build_fbneo_bios_zip(source_zip: Path, out_zip: Path) -> None:
+    if not source_zip.exists():
+        raise BuildError(f"BIOS not found: {source_zip}")
+    entries = fbneo_bios_entries(source_zip)
     write_zip_entries(out_zip, entries)
     print_step(f"wrote FBNeo-compatible BIOS package to {out_zip}")
 
 
 def html_page(
     game_name: str,
     subtitle: str,
+    emulator_game_name: str,
     game_url: str,
     download_url: str,
     bios_url: str,
@@ -530,7 +538,7 @@ def html_page(
   <script>
     window.EJS_player = "#game";
     window.EJS_core = "fbneo";
-    window.EJS_gameName = "__GAME_NAME__";
+    window.EJS_gameName = "__EMULATOR_GAME_NAME__";
     window.EJS_gameUrl = "__GAME_URL__";
     window.EJS_biosUrl = "__BIOS_URL__";
     window.EJS_pathtodata = "https://cdn.emulatorjs.org/stable/data/";
@@ -542,6 +550,7 @@ def html_page(
 """
     return (
         template.replace("__GAME_NAME__", game_name)
+        .replace("__EMULATOR_GAME_NAME__", emulator_game_name)
         .replace("__SUBTITLE__", subtitle)
         .replace("__GAME_URL__", game_url)
         .replace("__DOWNLOAD_URL__", download_url)
@@ -570,16 +579,19 @@ def build_pages(
     rom_out = out_dir / "rom" / f"web-{version}"
     rom_out.mkdir(parents=True, exist_ok=True)
     main_rom_url = f"rom/web-{version}/{PACKAGE_ROM_ZIP}"
+    main_launch_rom_url = f"rom/web-{version}/{FBNEO_COMPAT_ROM_ZIP}"
     bios_url = f"rom/web-{version}/neogeo.zip"
-    build_fbneo_rom_zip(rom, rom_out / PACKAGE_ROM_ZIP)
+    build_fbneo_rom_zip(rom, rom_out / FBNEO_COMPAT_ROM_ZIP, bios)
+    shutil.copy2(rom_out / FBNEO_COMPAT_ROM_ZIP, rom_out / PACKAGE_ROM_ZIP)
     build_fbneo_bios_zip(bios, rom_out / "neogeo.zip")
     # FBNeo still matches the internal Neo Geo chip filenames and CRCs against
-    # the Puzzle De Pon driver. The public zip name can be project-specific.
+    # a known driver. The public page title and download copy stay project-specific.
     (out_dir / "index.html").write_text(
         html_page(
             PROJECT_NAME,
             "Neo Geo AES Doom prototype running in a browser through the EmulatorJS FBNeo WebAssembly core.",
-            main_rom_url,
+            FBNEO_DRIVER_NAME,
+            main_launch_rom_url,
             main_rom_url,
             bios_url,
             "asm.html" if asm_rom_source else None,
@@ -593,12 +605,15 @@ def build_pages(
         asm_out = out_dir / "rom" / "asm" / f"web-{version}"
         asm_out.mkdir(parents=True, exist_ok=True)
         asm_rom_url = f"rom/asm/web-{version}/{PACKAGE_ASM_ROM_ZIP}"
-        build_fbneo_rom_zip(asm_rom, asm_out / PACKAGE_ASM_ROM_ZIP)
+        asm_launch_rom_url = f"rom/asm/web-{version}/{FBNEO_COMPAT_ROM_ZIP}"
+        build_fbneo_rom_zip(asm_rom, asm_out / FBNEO_COMPAT_ROM_ZIP, bios)
+        shutil.copy2(asm_out / FBNEO_COMPAT_ROM_ZIP, asm_out / PACKAGE_ASM_ROM_ZIP)
         (out_dir / "asm.html").write_text(
             html_page(
                 f"{PROJECT_NAME} ASM",
                 "A separate 68000 assembly cartridge build with a controller-driven Neo Geo sprite scene.",
-                asm_rom_url,
+                FBNEO_DRIVER_NAME,
+                asm_launch_rom_url,
                 asm_rom_url,
                 bios_url,
             ),

tools/simple_enemy_visibility_probe.py

@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
 """Probe the authored simple-map live enemy visibility path.
 
-The texture-column experiment uses generated Doom sprites inside GnGeo's
-puzzledp C-ROM window. A full sprite bank can push live monster tiles past the
-visible C-ROM range while the earlier corpse frames still fit, producing an
-invisible live monster and a briefly visible death frame.
+The texture-column experiment uses generated Doom sprites inside the configured
+Neo Geo C-ROM window. A mismatched romset/datafile can push live monster tiles
+past the visible C-ROM range while the earlier corpse frames still fit,
+producing an invisible live monster and a briefly visible death frame.
 """
 
 from __future__ import annotations

tools/smoke_capture.sh

@@ -15,6 +15,7 @@ WAIT_SECS="${SMOKE_WAIT_SECS:-8}"
 START_GAME="${SMOKE_START_GAME:-0}"
 EXTRAOPTS_VALUE="${SMOKE_EXTRAOPTS:-}"
 DIRECT_ROM="${SMOKE_DIRECT_ROM:-}"
+DIRECT_ROMSET="${SMOKE_DIRECT_ROMSET:-magdrop2}"
 CAPTURE_P1CONTROL="${SMOKE_P1CONTROL:-A=K122,B=K120,C=K97,D=K115,START=K49,COIN=K51,UP=K82,DOWN=K81,LEFT=K80,RIGHT=K79}"
 OUT="${SMOKE_OUTPUT:-.tools/screens/latest/smoke.png}"
 LOG="${SMOKE_LOG:-.tools/logs/smoke-gngeo.log}"
@@ -184,7 +185,7 @@ if [ -n "$DIRECT_ROM" ]; then
         "$ROOT/.tools/ngdevkit-local/usr/bin/ngdevkit-gngeo" \
         --datafile="$ROOT/.tools/ngdevkit-local/usr/share/ngdevkit-gngeo/gngeo_data.zip" \
         --p1control="$CAPTURE_P1CONTROL" \
-        $EXTRAOPTS_VALUE --screen320 --scale 3 --no-resize -i "$DIRECT_ROM" puzzledp >"$LOG" 2>&1 < /dev/null &
+        $EXTRAOPTS_VALUE --screen320 --scale 3 --no-resize -i "$DIRECT_ROM" "$DIRECT_ROMSET" >"$LOG" 2>&1 < /dev/null &
     RUN_PID="$!"
 else
     run_args=("$RUN_TARGET")