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Re: Digging Donkey Kong (for possible packing)



On Mon, 2 Jan 2012, Antoine Vignau wrote:

On 2 jan, 23:25, Steve Nickolas <lyricalnan...@usotsuki.hoshinet.org>
wrote:
Here's the disk image I'm using:http://www.brutaldeluxe.fr/crack/DONKEYKONG.DSK

On this image, the track usage map appears to be:

00000000000000001111111111111111222
0123456789ABCDEF0123456789ABCDEF012
#    ########################

(i.e., tracks $00 and $05-1C, 25 tracks total, contain data.)

The title screen shown during load appears to be on part of tracks $0B,
$0C and $0D, where it's upside-down and oddly interleaved but present.
This screen can be taken out - it'll never be seen in a file crack anyway.

All the fullscreen images are inverted and weirdly interleaved, and
there's 5 more:

15/16 (0F/10) = main title
18/19 (12/13) = level 1 (barrels)
21/22 (15/16) = level 2 (girders)
24/25 (18/19) = level 3 (platforms)
27/28 (1B/1C) = level 4 (pie factory)

(note that this isn't the original level ordering but all US releases are
this way.  on the Japanese arcade version you ALWAYS play barrels, pie
factory, platforms, girders.)

OK, so there's 6 screens of 8K each - 48K just for graphics - out of a
total of 100K.  That's 52K of everything else... including sprites.
Ouchamagoucha.  Maybe there's other redundancies?

-uso.

AArrrrrgggghhhh, you want to remove the title screen, nnnoooooooooooo
rreeesssspppeeeecccctttt (ah ah)


The only difference between the title screen and the main menu is the Mario replaced by the select options. The copyright's still there. >:P

If not possible to crack to a single file, it MAY still be possible...to crack to *ProDOS*, which only uses a little over 256 bytes of lower-48 memory, and which would be arguably more useful than the old DOS 3.3 type cracks of yore.

-uso.