mirror of
https://github.com/Abdess/retroarch_system.git
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Every profile now has: - profiled_date: date of source code analysis - core_version: version from libretro-core-info .info files - display_name: human-readable name from .info files 260/260 profiles complete. 294/294 libretro cores covered. Standalone emulators (cemu, rpcs3, xemu, vita3k) versioned manually.
70 lines
2.8 KiB
YAML
70 lines
2.8 KiB
YAML
emulator: Mini vMac
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type: libretro
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source: "https://github.com/libretro/libretro-minivmac"
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profiled_date: "2026-03-18"
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core_version: "GIT"
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display_name: "Mac II (minivmac)"
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systems: [macintosh-ii]
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# Mini vMac is a Macintosh II emulator. The libretro port is hardcoded for
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# Mac II emulation (CurEmMd = kEmMd_II) with 68020 CPU, FPU, ADB, VIA2, ASC.
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# ROM is loaded from the RetroArch system directory.
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# ROM loading order (OSGLUERETRO.c LoadMacRom):
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# 1. <system>/MacIIx.ROM (tried first, same 256 KB size)
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# 2. <system>/MacII.ROM (defined as RomFileName in CNFGRAPI.h)
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# 3. --rom command line arg (if provided)
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# 4. ~/.gryphel/mnvm_rom/MacII.ROM
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# 5. app parent directory
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# 6. current directory
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# ROM size: kROM_Size = 0x00040000 = 262144 bytes (256 KB)
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# ROM checksums defined in CNFGRAPI.h:
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# kRomCheckSum1 = 0x9779D2C4 (Mac II v1)
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# kRomCheckSum2 = 0x97221136 (Mac II v2)
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# Note: DisableRomCheck = 1, so checksum validation is skipped at runtime
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# (ROMEMDEV.c patches the ROM check jump). Any 256 KB Mac II ROM works.
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files:
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# -- MacII.ROM (primary, required) --
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# Standard Macintosh II ROM image. This is the hardcoded RomFileName.
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# The core reads exactly kROM_Size (262144) bytes from this file.
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- name: "MacII.ROM"
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path: "MacII.ROM"
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required: true
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size: 262144
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source_ref: "minivmac/cfg/CNFGRAPI.h:32, minivmac/src/OSGLUERETRO.c:781"
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note: >
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Macintosh II ROM image (256 KB). The core loads this from the system
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directory. Must be exactly 262144 bytes. ROM checksum verification is
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disabled in the libretro build, so either Mac II ROM revision works.
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# -- MacIIx.ROM (alternative, optional) --
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# Tried before MacII.ROM in the loading sequence. The Mac IIx ROM is the
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# same 256 KB size and is compatible with the Mac II emulation mode.
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- name: "MacIIx.ROM"
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path: "MacIIx.ROM"
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required: false
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size: 262144
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source_ref: "minivmac/src/OSGLUERETRO.c:778"
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note: >
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Macintosh IIx ROM image (256 KB). Checked first in the ROM loading
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sequence. If present, it takes priority over MacII.ROM. The Mac IIx
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uses the same 68020-class architecture as the Mac II.
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notes:
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emulation_target: >
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The libretro build is configured exclusively for Macintosh II emulation
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(kEmMd_II). Build options: 68020 CPU, FPU enabled, ADB keyboard/mouse,
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VIA2, ASC sound chip. Screen: 640x480, 8-bit color depth.
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disk_formats: >
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Supported disk image formats: .dsk, .img, .zip, .hvf, .cmd
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The core auto-inserts the loaded content as a floppy disk.
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Supports up to NumDrives simultaneous disk images.
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rom_checksum_note: >
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DisableRomCheck is set to 1 in ROMEMDEV.c, meaning the core patches out
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the ROM checksum verification at boot. This allows any valid Mac II era
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ROM to work regardless of exact revision.
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