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E.T. music code


6 replies to this topic

#1 espire8 OFFLINE  

espire8

    Dragonstomper

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Posted Mon Apr 28, 2008 8:30 PM

Is there a commented disasembely of the 2600 game E.T. posted anywhere in the forums that I can be pointed to look at?

I'm trying to find the part of the code that has the looping theme music that plays in the title screen for an old hack I'd like to soon finish.

#2 Impaler_26 OFFLINE  

Impaler_26

    Cookie Meister

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Posted Mon Apr 28, 2008 9:46 PM

Yep, here's the disassembly.

Attached Files

  • Attached File  E.T..zip   32.83KB   330 downloads


#3 espire8 OFFLINE  

espire8

    Dragonstomper

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Posted Mon Apr 28, 2008 11:32 PM

Thank you very much Impaler!

#4 doctorclu OFFLINE  

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Posted Fri May 9, 2008 7:00 AM

I have seen so many 2600 games disassmebled. How does the disassembly work?

#5 fdurso224 ONLINE  

fdurso224

    Quadrunner

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Posted Mon Aug 25, 2008 9:34 PM

Yep, here's the disassembly.



Hi,

Nice.

Anthony....

#6 CobaltHex OFFLINE  

CobaltHex

    Combat Commando

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Posted Thu Nov 13, 2008 4:32 PM

assembly is just a text representation of machine instructions(machine code), when you disassemble it, you just turn those instructions back into assembly

#7 Nukey Shay OFFLINE  

Nukey Shay

    Sheik Yerbouti

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Posted Sat Jan 10, 2009 4:20 PM

BTW the icons that appear in the pits (the animated flower and phone pieces that resemble the author's initials) are scrambled bitmaps. There are 2 groups of data for each icon that are sent to alternating scanlines. Check this thread that details how the bitmaps are arranged if you want to change them. The game Alien uses this method for ALL of it's icons.




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