From 5a705c4a32f12cdf81647f2b2ddfb8755c87359f Mon Sep 17 00:00:00 2001 From: Abdessamad Derraz <3028866+Abdess@users.noreply.github.com> Date: Fri, 23 Oct 2026 15:31:25 +0200 Subject: [PATCH] docs: move geartowns to 0.0.10 Same five firmware sets and CRCs. On Auto a 1.44 MB floppy now selects the HG, the first model with a three-mode drive (src/geartowns_core.cpp:1968-1976). --- emulators/geartowns.yml | 52 ++++++++++++++++++++++------------------- 1 file changed, 28 insertions(+), 24 deletions(-) diff --git a/emulators/geartowns.yml b/emulators/geartowns.yml index b54b12c9..deb60ddd 100644 --- a/emulators/geartowns.yml +++ b/emulators/geartowns.yml @@ -3,9 +3,9 @@ type: libretro core_classification: official_port source: "https://github.com/drhelius/Geartowns" upstream: "https://github.com/drhelius/Geartowns" -profiled_date: "2026-10-17" -source_commit: "25d2025be28e9fcc319f597a516f21e0778f770b" -core_version: "0.0.6-8-g25d2025" +profiled_date: "2026-10-23" +source_commit: "d157715112589aeb7e88319b2f2b4ac4e2cafc5f" +core_version: "0.0.10" display_name: "Fujitsu - FM Towns (Geartowns)" cores: - "geartowns" @@ -16,56 +16,60 @@ notes: | FM Towns emulator by Ignacio Sanchez (drhelius). The same tree builds the desktop application and the libretro core (platforms/libretro). The core emulates the Model 1/2, 1F/2F, 10F/20F, II CX, UX, UG, HG and the Marty - (src/system/machine_profiles.h:61-75, `emulated` field). The version string + (src/system/machine_profiles.h:108-122, `emulated` field). The version string is `git describe` at build time (platforms/libretro/Makefile:369-371). retro_load_game() fails when load_bios() finds no firmware - (platforms/libretro/libretro.cpp:704-708). load_bios() searches + (platforms/libretro/libretro.cpp:736-740). load_bios() searches system/geartowns first, then the system directory itself, each time accepting first only a set made for the selected model and then any set - (platforms/libretro/libretro.cpp:798-825). Firmware::FindSources() takes + (platforms/libretro/libretro.cpp:842-869). Firmware::FindSources() takes as candidates the folder itself, every direct subfolder and every .zip in - it (src/media/firmware.cpp:286-346). Folder and zip names are free. A + it (src/media/firmware.cpp:288-348). Folder and zip names are free. A candidate counts only when the System, OS, Font and Dictionary ROMs are all present at the right size, and the CRC32 of its System ROM names the set - (src/media/firmware.cpp:375-414, src/media/firmware.h:114-123). + (src/media/firmware.cpp:377-416, src/media/firmware.h:115-124). - Six sets are known (src/media/firmware.h:114-123): fmtowns (Model 1/2), + Six sets are known (src/media/firmware.h:115-124): fmtowns (Model 1/2), freetowns (Free FM Towns Project replacement ROMs, used by the Model 1/2), fmtownsux (UX, also used by 1F/2F, 10F/20F, CX and UG), fmtmarty (Marty), fmtownshr and fmtownsftv (both used by the HG, HR preferred). On Auto the model comes from the game database and falls back to the Model 1/2 or to the first model in release order that has a set - (src/geartowns_core.cpp:1624-1649, src/geartowns_core.cpp:1691-1696). A set - made for another model still loads in the second pass, with a warning - (platforms/libretro/libretro.cpp:827-860). + (src/geartowns_core.cpp:1958-1991, src/geartowns_core.cpp:2050-2055). A + 1.44 MB floppy (2HD at 300 rpm) inserted on Auto replaces a model without a + three-mode drive by the first one in release order that has it, the HG + (src/geartowns_core.cpp:768-771, src/geartowns_core.cpp:1968-1976), which + uses the fmtownshr or fmtownsftv set. A set made for another model still + loads in the second pass, with a warning + (platforms/libretro/libretro.cpp:871-904). File names are matched without case, inside a zip only at the archive root - (src/media/firmware.cpp:614-663). Accepted names, one group per component, + (src/media/firmware.cpp:617-666). Accepted names, one group per component, are (FMT_SYS.ROM, FMT_SYS_A.ROM, FMTHR_SYS.ROM), (FMT_DOS.ROM, FMT_DOS_A.ROM), (FMT_FNT.ROM), (FMT_DIC.ROM), (FMT_F20.ROM, FMT_F20_A.ROM), (MYTOWNS.ROM, MYTOWNSUX.ROM, MYTOWNSM2.ROM, MYTOWNSFTV.ROM, MYTOWNSHR.ROM) and (MAR_EX0.ROM to MAR_EX3.ROM) (src/media/firmware.cpp:28-42). Without separate files the Marty components are cut from MROM.M36 and MROM.M37, 2 MiB each - (src/media/firmware.cpp:497-508): OS at 0 and the first three extension + (src/media/firmware.cpp:500-511): OS at 0 and the first three extension parts in M36, and the fourth extension part, 20-dot font at 0x80000, dictionary at 0x100000, font at 0x180000 and System ROM at 0x1C0000 in M37. Each component must have its exact size or it is rejected - (src/media/firmware.cpp:530-612, src/common/defines.h:47-54): System + (src/media/firmware.cpp:533-615, src/common/defines.h:48-55): System 256 KiB, OS 512 KiB, Font 256 KiB, Dictionary 512 KiB, 20-dot Font 512 KiB, Serial 32 bytes, Extension 2 MiB (four 512 KiB parts). System, OS, Font and Dictionary are required. A missing 20-dot Font or Extension is replaced by - 0xFF, a missing Serial ROM is generated (src/media/firmware.cpp:73-163, - src/media/firmware.cpp:258-261). The CRC32 of every component is looked up - in game_db.h (src/media/firmware.cpp:165-182, src/media/game_db.h:303-335), + 0xFF, a missing Serial ROM is generated (src/media/firmware.cpp:76-165, + src/media/firmware.cpp:260-263). The CRC32 of every component is looked up + in game_db.h (src/media/firmware.cpp:167-184, src/media/game_db.h:337-369), and an unknown CRC only produces a warning. The Free FM Towns set is known by System 65DC3B1F, OS 43C18E92, Font 736D9CB1 and a blank Dictionary 504BF849. The Marty slices are known by System 937311F6, OS 2BC2AF96, Extension E1A9FA72 and 20-dot Font 75660AAC. The CMOS is written by the core next to the saves - (platforms/libretro/libretro.cpp:2753-2767). It is state, not a file to + (platforms/libretro/libretro.cpp:3001-3015). It is state, not a file to obtain. files: @@ -80,7 +84,7 @@ files: - { name: "fmt_dos.rom", size: 524288, crc32: "112872ee" } - { name: "fmt_fnt.rom", size: 262144, crc32: "955c6b75" } - { name: "fmt_dic.rom", size: 524288, crc32: "b314c659" } - source_ref: "platforms/libretro/libretro.cpp:704-708, platforms/libretro/libretro.cpp:807-825, src/media/firmware.h:116, src/media/firmware.cpp:28-33, src/media/firmware.cpp:286-346, src/media/game_db.h:303-307" + source_ref: "platforms/libretro/libretro.cpp:736-740, platforms/libretro/libretro.cpp:851-869, src/media/firmware.h:117, src/media/firmware.cpp:28-33, src/media/firmware.cpp:288-348, src/media/game_db.h:337-341" note: > Set for the Model 1/2, the machine Auto falls back to. The same four files load from any subfolder of system/geartowns or from @@ -99,7 +103,7 @@ files: - { name: "fmt_fnt.rom", size: 262144, crc32: "dd6fd544" } - { name: "fmt_dic.rom", size: 524288, crc32: "82d1daa2" } - { name: "mytownsux.rom", size: 32, crc32: "5cc7e6bc" } - source_ref: "src/media/firmware.h:118-119, src/media/firmware.cpp:28-34, src/media/game_db.h:309-314" + source_ref: "src/media/firmware.h:119-120, src/media/firmware.cpp:28-34, src/media/game_db.h:343-348" note: "Set for the UX, also used by the 1F/2F, 10F/20F, CX and UG." - name: "fmtmarty.zip" @@ -111,7 +115,7 @@ files: contents: - { name: "mrom.m36", size: 2097152 } - { name: "mrom.m37", size: 2097152 } - source_ref: "src/media/firmware.h:120, src/media/firmware.cpp:497-508, src/media/game_db.h:316-320" + source_ref: "src/media/firmware.h:121, src/media/firmware.cpp:500-511, src/media/game_db.h:350-354" note: > The core checks the CRC32 of the slices it cuts from the two mask ROMs, not of the files: System 937311F6, OS 2BC2AF96, Extension @@ -130,7 +134,7 @@ files: - { name: "fmt_fnt.rom", size: 262144 } - { name: "fmt_dic.rom", size: 524288 } - { name: "mytownshr.rom", size: 32, crc32: "c52f0e89" } - source_ref: "src/media/firmware.h:121, src/media/firmware.cpp:28-34, src/media/game_db.h:322-324" + source_ref: "src/media/firmware.h:122, src/media/firmware.cpp:28-34, src/media/game_db.h:356-358" note: "First choice for the HG. The HR itself is not emulated." - name: "fmtownsftv.zip" @@ -146,5 +150,5 @@ files: - { name: "fmt_dic.rom", size: 524288 } - { name: "fmt_f20.rom", size: 524288, crc32: "9f55a20c" } - { name: "mytownsftv.rom", size: 32, crc32: "a961aae7" } - source_ref: "src/media/firmware.h:122, src/media/firmware.cpp:28-34, src/media/game_db.h:326-329" + source_ref: "src/media/firmware.h:123, src/media/firmware.cpp:28-34, src/media/game_db.h:360-363" note: "Second choice for the HG. The MF/Fresh itself is not emulated."