6809 cpu - BIN - Obfuscated Shit. What the fuck is this?

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thefixer
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Joined: 2012/11/01

Ok I have a cardio machine, and I want to be able to locate, manipulate, or remove entirely the 45 minute time limit set by the manufacturer.

I have dumped the eprom and have the binary.

This is the hardware. 6808 cpu and on a standard 27c 256k eprom.

http://i.imgur.com/WRgEHeY.jpg

Screencap of the BIN dumped and opened in a Hex editor.

http://i.imgur.com/Pqw4sEl.jpg

I am presuming this is obfuscated? Any ideas what to look for in hex?

As I stated before, my objective is to be able to manipulate the 45 minute time limit.

It says that the time is in english metric, so, convert 45m to english metric time and then convert that to hex and search for it??

Or is that pointless if the shits obfuscated? And if so, how the fuck to deobfuscate. Its ancient. From 1994 or earlier.

Any suggestions would be helpful coz I have no idea wtf I am lookin at here, LOL.

Thanks!

I fix computers and other shit, what the fuck did you think it meant?