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: It strips away the proprietary metadata that modern emulators don't need.
There are two primary ways to handle this conversion: using dedicated software or instant online tools.
This conversion process typically involves turning a DexDrive (.GME) format —a legacy backup type used to extract data from physical PS1 memory cards—into an file, the standard virtual memory card format used by popular emulators like ePSXe . How GME to MCR Conversion Works
I have released the alpha version on my GitHub ([link redacted for blog style – but search “gme2mcr” on my profile]). It is rough, but it works for the 12 games I tested.
: Save the file with a .MCR extension. Ensure the final file size is exactly 131,072 bytes. Common Troubleshooting Tips gme to mcr converter work
This is a format popularized by the DexDrive , a hardware device that allowed users to connect their PS1 memory cards to a PC to back up, share, and edit saves.
save file from a site like GameFAQs , you likely found a file ending in . This is a legacy format originally used by the DexDrive hardware. Modern emulators like ePSXe, DuckStation, and RetroArch typically require the .mcr or .srm format to recognize your progress.
A standard PlayStation 1 memory card has a fixed size of exactly (128 KB). However, if you look at the file size of a .GME file, it is exactly 135,168 bytes .
| Source Format | Tool | Command Example | |---------------|------|------------------| | NSF | | nsf2midi song.nsf | | GBS | GBS2MIDI | gbs2midi song.gbs | | VGM | VGMMidi or vgm2mid | vgm2mid song.vgm | | SPC | SPC2MIDI | spc2midi song.spc | : It strips away the proprietary metadata that
@T120 @C1 v15 o4 l4 cdefgab @C2 v12 o3 l8 a>c<g
Some emulators require memory cards to be named specifically (e.g., epsxe000.mcr or slot1.mcr ). If your emulator does not see your converted save, try renaming the file to match the emulator's default card naming convention.
When you run a functional GME to MCR converter, the following steps occur behind the interface:
A rally team downloads GME waypoints from a Garmin eTrex 30. They need to load them into OziExplorer on a ruggedized tablet. They run a GME to MCR converter, adjusting for the map datum (WGS84 to GDA94 if necessary). The converter outputs a .mcr file, which they copy to \OziExplorer\Data\ . The navigator opens OziExplorer, selects "Load MCR," and all 200 checkpoints appear instantly. How GME to MCR Conversion Works I have
: Select the first 3,904 bytes of the file (offset 0x0000 to 0x0F3F ). Delete : Delete this highlighted block completely.
Because the conversion process relies entirely on removing a fixed-size header, you do not actually need specialized software to do it. You can convert a GME file to an MCR file manually using a free Hex Editor (such as HxD). Open your .GME file in a .
: Created by the DexDrive, a physical hardware device from the late 1990s.
