INSTALLATION
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1) Create ATARIST directory in GPMM; gp:\GPMM\ATARIST is the full path
2) Find yourself a TOS ROM image file; it might be called TOS_102.IMG,
or ROM, or TOS.ROM or whatever. Make sure its installed as TOS.IMG (thats
what Castaway/GP looks for!) (You can use other .IMG names, but then you'll
have to select them in the menu each time)