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BEEB-MMB.exe
A BEEB.MMB file splitter and merger for Windows 10.
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BEEB.MMBs are image files full of disks for the Acorn BBC group of micros.
It is also used by the MiSTer FPGA BBCMicro core I wrote this program for.

Drop a BEEB.MMB compatible file onto Beep-MMB to split it into disks.
Drop one or more disks onto Beep-MMB to build a BEEB.MMB file.

BEEB-MMB.exe is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.

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Changelog:
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20210320:
delete [].

20210319:
Check for more than 511 disks.

20210317:
Initial release.