mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-11-11 12:33:53 -06:00
Abdessamad Derraz
f5a3559961
The delay-load part of the zlib1.dll ref now carries the descriptor and IAT addresses in XM6.exe 260920.
270 lines
15 KiB
YAML
270 lines
15 KiB
YAML
emulator: "XM6 Pro-68k"
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type: standalone
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core_classification: enhanced_fork
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source: "https://mijet.eludevisibility.org/XM6%20Pro-68k/XM6%20Pro-68k.html"
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upstream: closed-source
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version_source:
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url: "https://mijet.eludevisibility.org/XM6%20Pro-68k/Version.txt"
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pattern: '^(\d+)'
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based_on: "XM6 v2.06 by PI."
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profiled_date: "2026-11-10"
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core_version: "260920"
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version_basis:
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kind: package
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url: "https://www.retrobat.ovh/repo/win64/stable/emulators/xm6pro.7z"
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artifact: "xm6pro.7z, Version.txt"
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display_name: "XM6 Pro-68k (Sharp X68000)"
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mode: standalone
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cores:
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- xm6pro68k
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- xm6pro
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- XM6PRO68K
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- XM6PRO68K-WINDOWS
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systems:
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- sharp-x68000
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notes: |
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Closed-source Windows fork of PI's XM6 by M.I.J.E.T., distributed from
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mijet.eludevisibility.org as three 7-Zip packages: the program, a mandatory DLL
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Package and an optional Web Package. The build analysed here is the one RetroBat
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serves as xm6pro.7z (sha256 2b44820429989fa2...), Version.txt 260920, with
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XM6.exe sha256 df1ed921f5f00cfb54950f1672f659e3ceecc756016d0a76f3ccb5c1354a76ed
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and MBCS/XM6.exe sha256 a4ac21e5fe15c865b931921068b03f5c8238dd992727ddc95b5f434f74a9a453.
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Every address below is a virtual address in that Unicode XM6.exe. Release 81
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(261031, XM6.exe sha256 4eb66f0229ca992c...) names the same system files, its only
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new file name being the .IPS disk delta extension. XM6.exe is a 32-bit MFC
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application whose import directory names mfc90u.dll and MSVCR90.dll, both
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loader-resolved, so the Visual C++ 2008 runtime carried by the DLL Package, or the
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redistributable, must sit beside the executable for the process to start. A
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second non-Unicode build lives in MBCS/ and needs the same files duplicated there.
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ES-DE launches it through the XM6PRO68K and XM6PRO68K-WINDOWS find rules with the
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working directory set to the emulator folder, on Linux under Wine or Proton.
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RetroBat registers it as xm6pro (Program.cs:189, Installer.cs:151), runs XM6.exe
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from its own directory and rewrites XM6.ini before launch
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(Xm6pro.Generator.cs:22-79).
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System files sit in a ten-entry pointer table at 0x57a898 (IPLROM.DAT,
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IPLROMXV.DAT, IPLROMCO.DAT, IPLROM30.DAT, ROM30.DAT, CGROM.DAT, CGROM.TMP,
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SCSIINROM.DAT, SCSIEXROM.DAT, SRAM.DAT). Filepath::SysFile at 0x48b054 copies the
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entry and calls 0x48ac18, which takes drive and directory from the executable
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path that 0x48ab44 caches from GetModuleFileNameW (0x48aac0), so every system
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file is read beside XM6.exe and no directory setting takes part.
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Fileio::Load (0x489a75) opens the file and Fileio::Read (0x489d8b) succeeds only
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when _read returns the full count, so the IPL and CG sizes below are floors. The
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SCSI ROM loader compares _filelengthi64 (0x489e54) with the expected size and
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rejects any other length.
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Memory::LoadROM (0x4903d7) takes the memory type stored by Memory::ApplyCfg
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(0x4908af, 0x4908cb) from the saved configuration: 1 to 3 are the base X68000 with
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no SCSI, internal SCSI or external SCSI, 4 XVI, 5 Compact and 6 X68030. It loads
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the IPL ROM, the CG ROM (0x48e737, called at 0x490560) and the SCSI ROM (0x49016a,
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called at 0x490570). Memory::Init loads type 1 at 0x4909f7 and fails only when that
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load fails, which cannot happen since the base IPL is built in and neither the CG
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ROM nor the SCSI slot is mandatory for type 1. A requested type that fails to
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load falls back to type 1 (0x49063b, 0x490658-0x49066a).
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Two menu tools synthesise replacements. Synthesize replacement CG-ROM builds
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CGROM.TMP from the installed MS Gothic and MS Mincho fonts, resolving CGROM.TMP at
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0x45f8eb-0x45f8f4 and CGROM.DAT at 0x45fa47-0x45fa50. Synthesize replacement
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SCSI ROMs asks for a Human68k version 3.02 disk image, dialog default
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HUMAN302.XDF (0x45fd6a) with filter *HUMAN*3*02*.??? (0x45fced), extracts
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/BIN/FORMAT.X and writes SCSIINROM.DAT and SCSIEXROM.DAT, whose paths it resolves
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at 0x45fc7a-0x45fc9e.
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The ROM Warning options hold three checks, each suppressible. The IPL check
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(0x48ee5c) accepts the base IPL when the IOCS date bytes at 0x1000a, 0x1000c and
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0x1000d spell 87/05/07, and LoadROM identifies the IPL revision from the dword at
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0x1000a against a table at 0x572458 (0x490519-0x490552). The CG check (0x48eea3)
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sums and XORs 0x1000 bytes at 0x3a800 of the font and wants 0xec and 0x84. The
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SCSI check (0x48eedc) reads 0x2000 bytes of SCSIINROM.DAT and SCSIEXROM.DAT and
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flags a file holding "XM6 " at 0x1ff8, the stamp of synthesised replacements
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(0x48ef82, 0x48efc6). Each check only raises a dialog, so no hash below is
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enforced by the program.
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XM6.ini and XM6U.ini are written by the program.
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files:
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# -- IPL ROMs, one per emulated model, each read at 0x20000 bytes --
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- name: IPLROM.DAT
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system: sharp-x68000
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required: false
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has_builtin: true
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min_size: 131072
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validation: [size]
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md5: 7fd4caabac1d9169e289f0f7bbf71d8e
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sha1: 0ed038ed2133b9f78c6e37256807424e0d927560
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description: "X68000 boot ROM, base SASI model"
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source_ref: "XM6.exe 260920 Memory::LoadROM 0x4903d7: 0x490461-0x490478 (types 1 to 3 give table entry 0, Filepath::SysFile 0x48b054), 0x490496 (Fileio::Load 0x20000), 0x49049f-0x4904bf (types 1 to 3 on failure copy the built-in 0x20000 bytes from 0x552458 and skip the swap), 0x4904f8 (16-bit swap 0x407710), IPL check 0x48ee5c"
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note: >-
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XM6.exe carries this ROM internally and only reads the file when it is
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present, so the emulator boots without it. The embedded copy sits at
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0x552458, file offset 1382488, in .rdata of the Unicode build and at file
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offset 1332664 in the MBCS build, stored in the 16-bit pairwise swapped form
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the loader produces. Unswapped it is the 131072-byte dump hashed here,
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catalogued by TOSEC as Sharp X68000 Boot ROM (1987)(Sharp), and it is the
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version 1.0 (05/07/1987) the IPL check accepts.
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- name: IPLROMXV.DAT
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system: sharp-x68000
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required: false
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min_size: 131072
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validation: [size]
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description: "X68000 XVI boot ROM"
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source_ref: "XM6.exe 260920 Memory::LoadROM 0x4903d7: 0x49041e-0x49045f (type 4 gives table entry 1), 0x490478 (Filepath::SysFile 0x48b054), 0x490496 (Fileio::Load 0x20000), 0x4904c1-0x4904eb (failure logs Missing or invalid ROM file and returns 0), 0x49063b 0x490658-0x49066a (fallback to type 1)"
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note: >-
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Read when the configuration selects the XVI. Absent or short, LoadROM
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fails and the base X68000 runs instead. No internal copy is compiled into
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XM6.exe.
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- name: IPLROMCO.DAT
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system: sharp-x68000
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required: false
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min_size: 131072
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validation: [size]
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description: "X68000 Compact boot ROM"
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source_ref: "XM6.exe 260920 Memory::LoadROM 0x4903d7: 0x490423-0x49045a (type 5 gives table entry 2), 0x490478 (Filepath::SysFile 0x48b054), 0x490496 (Fileio::Load 0x20000), 0x4904c1-0x4904eb (failure returns 0), 0x49063b 0x490658-0x49066a (fallback to type 1)"
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note: >-
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Read when the configuration selects the Compact, under the same rules as
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IPLROMXV.DAT. No internal copy is compiled into XM6.exe.
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- name: IPLROM30.DAT
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system: sharp-x68000
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required: false
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min_size: 131072
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validation: [size]
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description: "X68030 boot ROM"
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source_ref: "XM6.exe 260920 Memory::LoadROM 0x4903d7: 0x490428-0x49042b and 0x490417 (type 6 gives table entry 3), 0x490478 (Filepath::SysFile 0x48b054), 0x490496 (Fileio::Load 0x20000), 0x4904c1-0x4904eb (failure returns 0), 0x49063b 0x490658-0x49066a (fallback to type 1)"
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note: >-
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Read when the configuration selects the X68030, which also reads
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ROM30.DAT. No internal copy is compiled into XM6.exe.
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# -- X68030 SCSI ROM, the one SCSI-slot ROM read at 0x20000 bytes --
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- name: ROM30.DAT
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system: sharp-x68000
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required: false
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size: 131072
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validation: [size]
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description: "X68030 SCSI ROM"
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source_ref: "XM6.exe 260920 LoadSCSIROM 0x49016a: 0x4901cc-0x4901ea (type 6 gives table entry 4 and size 0x20000), 0x49025e (open, failure logs Unable to open ROM file), 0x4902a3-0x4902b9 (_filelengthi64 must equal 0x20000, else Wrong size for ROM file), 0x4902e5 (read), 0x49034f (16-bit swap), Memory::LoadROM 0x4903d7 0x4905aa-0x490613 (absent: stub slot with the SCSIIN signature)"
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note: >-
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The SCSI half of the X68030 machine, and the only SCSI-slot ROM read at
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0x20000 bytes, at exactly that length. When it is missing or of another
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size LoadROM fills the slot with 0xff, writes a stub header carrying the
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SCSIIN signature at offset 0x24, and the X68030 still starts.
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The copy here is the X68000 Firmware set's ROM30.DAT (SCSIIN, ROM Human 2.x, ROM FLOAT and the SCSI-IOCS binary), read out of an X68030 by the XM6 2.06 utility, which stamps its name at the tail of the image.
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# -- Font ROM, read at 0xc0000 bytes, CGROM.DAT first then CGROM.TMP --
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- name: CGROM.DAT
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system: sharp-x68000
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required: false
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bundled: true
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min_size: 786432
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validation: [size]
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md5: cb0a5cfcf7247a7eab74bb2716260269
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sha1: 8d72c5b4d63bb14c5dbdac495244d659aa1498b6
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description: "X68000 character generator ROM"
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source_ref: "XM6.exe 260920 0x48e737: 0x48e783-0x48e78c (table entry 5), 0x48e7a3 (Fileio::Load 0xc0000), 0x48e7ac-0x48e7cb (CGROM.TMP tried next), 0x48e7cd-0x48e7ef (both absent: logs Unable to load CGROM.DAT or CGROM.TMP and fills the font with 0x55 at 0x42245f), 0x48e7fe (16-bit swap), CG check 0x48eea3"
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note: >-
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Supplies the glyphs for text the X68000 renders. When neither font file
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loads, the font area is filled with 0x55, text shows as garbage and the
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emulator keeps running. The mandatory DLL Package ships this exact
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786432-byte file, catalogued by TOSEC as Sharp X68000 CG ROM
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(1987)(Sharp), and it passes the CG check. The hash identifies that copy
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and is not verified by the program.
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- name: CGROM.TMP
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system: sharp-x68000
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required: false
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unsourceable: "synthesised from the fonts installed on the host, no canonical file"
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min_size: 786432
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validation: [size]
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description: "Synthesised font ROM, fallback when CGROM.DAT is absent"
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source_ref: "XM6.exe 260920 0x48e737: 0x48e7ac-0x48e7b2 (table entry 6, reached only after CGROM.DAT fails), 0x48e7c4 (Fileio::Load 0xc0000), 0x48e7fe (16-bit swap)"
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note: >-
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Read only when CGROM.DAT is missing or short, at the same size. Tools >
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Synthesize replacement CG-ROM writes it from the installed MS Gothic and MS
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Mincho fonts. No hash is declared because the output depends on the fonts
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of the machine that generated it.
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# -- SCSI ROMs, exact 0x2000 bytes, required by the interface they drive --
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- name: SCSIINROM.DAT
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system: sharp-x68000
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required: false
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bundled: true
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size: 8192
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validation: [size]
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md5: aeb4607a14612606c833227437aaa16a
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sha1: 15a17798839a3f7f361119205aebc301c2df5967
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description: "Internal SCSI interface ROM, X68000 SUPER and later"
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source_ref: "XM6.exe 260920 LoadSCSIROM 0x49016a: 0x4901b7-0x4901ea (types 2, 4 and 5 give table entry 7, size 0x2000), 0x4901fc-0x490219 (deferred while the flag read by 0x40b726 is set), 0x49025e (open), 0x4902a3-0x4902b5 (_filelengthi64 must equal 0x2000), 0x4902e5 (read), 0x49034f (swap), Memory::LoadROM 0x4903d7 0x49057d-0x4905ad (types 4 and 5 continue with the slot at 0xff, types 2 and 3 fail), SCSI check 0x48eedc 0x48ef1f-0x48ef82"
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note: >-
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Needed for the internal SCSI option on the base X68000, which otherwise
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falls back to the plain base machine. The XVI and Compact start without it
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with the SCSI slot left at 0xff. The mandatory DLL Package ships this exact
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8192-byte file and the hash identifies that copy, while the startup SCSI
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check only warns.
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- name: SCSIEXROM.DAT
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system: sharp-x68000
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required: false
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bundled: true
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size: [8160, 8192]
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validation: [size]
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md5: 237be014374b74d327f15f250d4d62bf
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sha1: 49616c09a8986ffe6a12ad600febe512f7ba8ae4
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description: "External SCSI interface ROM, CZ-6BS1 board"
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source_ref: "XM6.exe 260920 LoadSCSIROM 0x49016a: 0x4901bc-0x4901ea (type 3 gives table entry 8, size 0x2000), 0x4902a3-0x4902d4 (_filelengthi64 must be 0x2000, or 0x1fe0 loaded at offset 0x20 behind 0x20 bytes of 0xff), 0x4902e5 (read), 0x490315-0x490346 (an 8192-byte image whose first dword is neither 0 nor 0xffffffff is moved up 0x20 bytes), 0x49034f (swap), SCSI check 0x48eedc 0x48ef8f-0x48efc6"
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note: >-
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Needed for the external SCSI option on the base X68000, which otherwise
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falls back to the plain base machine. Two lengths are accepted: 8192 bytes,
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and the 8160-byte WinX68k layout. An 8192-byte image that starts with
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data rather than the blank register window is shifted to the same layout.
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The mandatory DLL Package ships the 8192-byte form hashed here.
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# -- Battery-backed NVRAM --
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- name: SRAM.DAT
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system: sharp-x68000
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required: false
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size: [16384, 65536]
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description: "X68000 SRAM image, boot device and memory switch settings"
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source_ref: "XM6.exe 260920 SRAM init 0x4abb9d: 0x4abb9f (fills 0x10000 bytes with 0xff at 0x4ab4d8), 0x4abba4-0x4abbaa (table entry 9), 0x4abbc1 (Fileio::Load 0x10000, result ignored), 0x4abc15 (swap), 0x4ab50f 0x4ab517-0x4ab52c (save writes the configured size in KB, 16 by default at 0x4abb11)"
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note: >-
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Read at startup and rewritten on exit, so XM6 creates it on first run and
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a supplied image only preloads the settings. Up to 64 KB is read with no
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size check. The program writes 16 KB, or 64 KB with the SRAM64K option.
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# -- Optional libraries loaded by name at runtime, shipped in the DLL Package --
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- name: 7z.dll
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size: 1316352
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sha1: 4bd854046c1bac850388ea29daece08cce46d332
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system: sharp-x68000
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required: false
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bundled: true
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description: "7-Zip library for .7z, .zip and .xz support"
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source_ref: "XM6.exe 260920 0x401ce4: 0x401cfd-0x401d02 (7Z.DLL through the loader 0x40ce48: LoadLibraryW beside XM6.exe at 0x40ce90, then the system directory at 0x40cf01, then the Windows directory at 0x40cf67), 0x401d1c-0x401d22 (GetProcAddress CreateObject), 0x4505f0-0x4505fb (absent: 0x412122 index 0 shows Optional DLL Not Present at 0x412109)"
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note: >-
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Absent from the import directory and loaded on first archive use, so XM6
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starts without it and reports Optional DLL Not Present, Archive support is
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not available. Enables loading disk images and state files from archives
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and writing XZ-compressed state files.
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- name: zlib1.dll
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size: 59904
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sha1: 6d957ba632df5b06d49a901f2772df4301610a2a
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system: sharp-x68000
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required: false
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bundled: true
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description: "zlib, used for PNG output and deflate archives"
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source_ref: "XM6.exe 260920 delay-load descriptor 0x5761ec for zlib1.dll, IAT 0x585a68 (crc32, inflate, inflateEnd, inflateInit2_, deflateEnd, deflateInit2_, deflateReset, deflate), 0x40cf85 0x40cf8e-0x40cf98 (ZLIB1.DLL through the loader 0x40ce48, handle cached at 0x59e66c), callers 0x414487, 0x4280bc and 0x489151-0x48915d (absent: 0x412122 index 1 names 7z.dll or zlib1.dll in the Optional DLL Not Present dialog)"
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note: >-
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Delay-loaded, so the process starts without it, and every caller first
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loads it by name and skips its zlib path when that fails. XM6.exe resolves
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inflate, deflate and crc32 from it for deflate archives and PNG display
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captures.
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