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Special Note: TCM and Stacker
To build ROM Disk images with TCM and use Stacker to compress the ROM Disk, follow
these steps:
1. Ensure that Stacker is installed as directed in Chapter 2, Software Installation on the
Development PC.
2. Ensure that the Stacker post-installation is completed as directed in Chapter 2,
Software Installation on the Development PC
3. Place files to be located on the compressed drive in the <CMP> section of the script.
The compressed volume used to build a script must be large enough to hold all of the
directories and files placed in it by the script. To see these directories and files, double
click on the <CMP>: indicator in the left-hand pane of the Script Window.
4. Load the appropriate Stacker files.
Note: Use the supplied script file (e.g., STACK.TCM) as an example of how
to load Stacker for use in a ROM Disk.
How TCM and Stacker Work Together
TCM operates on the compressed volume using the development PC drive letter on which the
compressed volume was mounted.
During the build process, TCM erases all contents of the compressed volume (if any exist
from a previous build), then copies the directories and files included in the script into the
compressed volume. Stacker compresses the files as they are copied, adjusting the remaining
space based on the actual compression ratio achieved.
If Files Exceed Compressed Volume Size
If the total size of the files and directories that the script attempts to place in the compressed
volume exceeds the volume's capacity, a TCM error results and the build fails. To correct this
situation, reduce the number of files and directories placed by the script into the compressed
volume or increase the size of the compressed volume.
Adding Files to a Compressed Volume After a Build
Following a successful build, TCM displays the amount of free space that Stacker reports is
remaining in the compressed volume. You can examine the compressed volume directly on
the development PC drive letter on which it was mounted using Windows File Manager or
Terminal Configuration: Building and Sending the Hex Image
6-33
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