finding out how to open old dos files

by **kr0os** » 2017-12-09 @ 08:12

So, i've got some old files that are probably unsuported now days, its various files, but they have one similarity, when you open them in a text editor, they have got an odd hex like pattern, i guess if i find out what is this code i can "decipher" the files, anyway, i was hoping you guys would identify it. :happy:

this is how they look like https://pastebin.com/7sGLY1Th .
pardon me, if i commit any english mistakes.

by **dr_st** » 2017-12-09 @ 08:23

Where did the files come from? Which program created them? What is supposed to be inside?

by **kr0os** » 2017-12-09 @ 08:40

dr_st wrote:Where did the files come from? Which program created them? What is supposed to be inside?

it come from an old chess game. i am not sure about the other two answers, im trying to reverse engineer it, so it can be translated.
I downloaded it from a brazilian chess blog: http://xadrezpirata.blogspot.com.br/201 ... x-074.html
Bobby Fischer Teaches Chess is the name of the game, it was made by Mission Studios.
you can download it here: https://mega.nz/#!hJoGUY7I!csWVmhVBWA-O ... UE_6qIuWCc
the password for the compacted file is the link of the blog: http://www.xadrezpirata.blogspot.com
the files im talking about are in this path: Bobby Fischer Teaches Chess + DOSBox-0.74/BobbyFischerTeachesChess/BOOKS/
this game is very unknown and hard to find, thats all i know so far.

by **dr_st** » 2017-12-09 @ 09:33

My understanding is that you're trying to translate the game, not the book itself. Correct?

It seems like the file format is proprietary, and you have to reverse-engineer the game executable to figure out the data structures.

by **kr0os** » 2017-12-09 @ 10:02

dr_st wrote:My understanding is that you're trying to translate the game, not the book itself. Correct?

It seems like the file format is proprietary, and you have to reverse-engineer the game executable to figure out the data structures.

Yes, im trying to translate the game, i will try some things out later this week, i will post my progress here.

by **TeddyTheBear** » 2017-12-10 @ 07:46

Opened it in the hex editor HxD https://pastebin.com/raw/7yXYbWyM

by **kr0os** » 2017-12-11 @ 04:20

TeddyTheBear wrote:Opened it in the hex editor HxD https://pastebin.com/raw/7yXYbWyM

Installing wine right now, soon the game will be translated.
Thanks. :blush:

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