os9_conv is a small tool used to convert APPLE ][ OS9 Stellation Two "The Mill" DSK image disks (created using ADT tool) to standard RBF OS9 DSK image disks, such as, for example, those used by the TRS-80 Color Computer, and back.
The aim of this utility is to create an OS9 RBF floppy disk image compatible with the "toolshed" TRS-80 Color Computer utility.
The toolshed utility allows direct manipulation of OS9 RBF disk image content from MS-DOS, allowing to directly read,write OS9 files etc. , distributed at https://sourceforge.net/projects/toolshed/
With the "toolshed" and "os9_conv" tools combination it is now possible to transfer files back and forth to the Apple ][ Stellation Two "The Mill" OS9 implementation.
OS9_conv will convert the source file OS9BASIC.dsk to OS9 RBF format (-o option) and write it to the destination file OS9BASICRBF.dsk (or whatever filename you choose).
To extract the ECHO executable binary file from OS9BASICRBF.dsk using the toolshed OS9 tool the command would be:
Lets' say that we want to make the reverse operation of EXAMPLE 1 by writing a binary file ( example MYBINARY file )to the APPLE ][ OS9 OS9BASIC.dsk disk .
We first proceed converting the APPLE ][ OS9 DSK disk image to OS9 RBF standard with the command:
OS9_conv OS9BASIC.dsk OS9BASICRBF.dsk -o
OS9_conv will convert the source file OS9BASIC.dsk to OS9 RBF format (-o option) and write it to the destination file OS9BASICRBF.dsk (or whatever filename you choose).
To write the MYBINARY file to OS9BASICRBF.dsk disk using the toolshed OS9 tool the command would be:
The resulting image can be fed in an APPLE ][ emulator (mame can emulate an APPLE ][ with a Stellation Two "The Mill" card) or a real floppy written with a tool such as ADT.
Due to the non-standard implementation of the RBF file system in the APPLE ][ Stellation Two "The MILL" OS9 disk structure, to maintain disk integrity, any operation is ALWAYS started from an APPLE ][ OS9 DSK disk image.
Apple ][ "The Mill" OS9 DSK image to OS9 RBF format converter os9_conv is released under the terms of the MIT License.
Copyright 2017 Luca Ridarelli
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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