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Directi-DOS
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improve the make instructions

This commit is contained in:
Peter Ferrie 2016-11-29 17:34:52 -08:00
parent 30571429ad
commit 2996000575
1 changed files with 5 additions and 5 deletions
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10
make.txt
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@ -1,11 +1,11 @@
How to make your own version:
Take a regular version of Diversi-DOS, and save the $BF00-BFFF and $D700-FFFF regions to disk.
Make whatever changes you will to that image.
Fill the following regions with zeroes in the $D700 region:
- the read buffer at $1DBC-1FFF;
Boot Diversi-DOS in 64kb mode, break at $DD84, and then save the $BF00-BFFF and $D700-FFFF regions to disk.
Make whatever changes you will to those files.
Then within the $D700 file, fill with zeroes the ranges at these file offsets:
- the read buffer at $1CBC-1EFF;
- the translate tables at offsets $2329-2368 and $2396-23FF (the unpacker will regenerate them);
- the write buffer at $2500-2655
- the write buffer at $2400-2555
Concatenate the two images, with the $BF00 region first (to create a file named "d600-ffff").
Reverse the order of the bytes in the image (to create a file named "d600-ffff.rev").
Compress the result with aPLib ("appack c d600-ffff.rev d600-ffff.rev.pak").