mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-11-11 12:33:53 -06:00
Abdessamad Derraz
31f4241795
The ref listed string offsets. It now names the shell lookup, the missing-file prompt and the wget fallback in the rpix86 0.19 binary.
50 lines
2.7 KiB
YAML
50 lines
2.7 KiB
YAML
emulator: rpix86
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type: standalone
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core_classification: other
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source: "http://rpix86.patrickaalto.com/rdown.html"
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upstream: ~
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profiled_date: "2026-10-20"
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core_version: "0.19"
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version_basis:
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kind: package
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url: "https://files.retropie.org.uk/archives/rpix86.tar.gz"
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artifact: "rpix86.tar.gz, rpix86 binary banner"
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display_name: "DOS (rpix86)"
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cores: [rpix86]
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systems: [dos]
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verification: existence
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notes: |
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Patrick Aalto's x86 DOS emulator for the Raspberry Pi, freeware and closed
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source. Profiled from the binary RetroPie installs,
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files.retropie.org.uk/archives/rpix86.tar.gz (sha256 8591b715f7c5...ad328d),
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an ARM EABI5 executable whose banner reads "rpix86 (Raspberry Pi x86
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emulator) v 0.19" with "BIOS date: Jun 28 2015". The BIOS, VGA and sound
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emulation are inside the binary. Its strings name no ROM, font or patch
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file, only the shell below, /boot/config.txt (overscan defaults), the
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input and serial devices, and the log and screenshot files it writes.
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C:\ is the directory given with -d, the working directory by default
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(usage text). Started without a program to run, the emulator looks for
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its shell as C:\4DOS\4DOS.COM, then C:\4DOS.COM. When neither exists it
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asks "Unable to find 4DOS.COM command interpreter (shell)", runs
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"wget http://rpix86.patrickaalto.com/4DOS.COM" into C:\ on yes and
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exits on no. The binary itself is sha256 48769ffb388822b6...68c0.
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RetroPie runs the binary from its install directory and unpacks
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files.retropie.org.uk/archives/4dos.zip (sha256 801441f3f65e...5b636a,
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4DOS 7.50 from JP Software) there (scriptmodules/emulators/rpix86.sh).
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files:
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- name: "4DOS.COM"
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path: "4DOS.COM"
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system: dos
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description: "4DOS 7.50 command interpreter, the emulated DOS shell"
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installed_on: [retropie]
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required: true
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size: 257520
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sha1: "a44f65d6318582501d22e27831eb2b1f0df58f79"
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md5: "fc3a0078a13d98e611a62c1d6724f8c5"
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crc32: "8300d4cb"
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source_ref: "rpix86 0.19 (sha256 48769ffb388822b6) main 0xbf34: 0xc380-0xc388 (no program on the command line, start the shell), 0xc6d4-0xc6e0 (retry after a download), 0xcbbc (exit when declined); FUN_0000d72c 0xd814-0xd8c0 (tries C:\\4DOS\\4DOS.COM then C:\\4DOS.COM from the table at 0x1ca810 with tail /P through the DOS EXEC at 0x22da0, returns -1 when both fail); FUN_00015e80 0x15ea4-0x15eb0 (Unable to find 4DOS.COM prompt), 0x15eec-0x15f00 and 0x1636c-0x1637c (sprintf of wget .../4DOS.COM -O%s/4DOS.COM into the C: directory, system)"
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note: "Same bytes at rpix86.patrickaalto.com/4DOS.COM, the URL the binary downloads from, and in RetroPie's 4dos.zip. Read from the emulated C: root, not a BIOS directory. The author's rpix86.zip and rpix86.tar.gz hold the binary alone, and RetroPie unpacks 4dos.zip into the install directory."
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