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05-02-24 01:52 AM
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Acmlm's Board - I3 Archive - ROM Hacking - School me on ASM hacking NES roms New poll | |
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IceAIM
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Since: 07-24-06

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Posted on 07-24-06 03:05 PM Link | Quote
Hey all,

Right now I'm in the process of learning ASM programming for the NES. Now I have used an NES assembler to create NES binaries, but I'm curious on how NES hacking works.

From what I understand is you use a debugger to capture the ASM code you wish to hack.....but how do you inject the code back into the rom you wish to hack?

Let me guess......do you run it through an assembler....and then inject the assembled binary with a hex editor?

Also more advanced hex editors use tables right? What exactly do tables do and how would they be beneficial?

What would be a good win32 based hex editor that supports things like tables?


(edited by IceAIM on 07-24-06 02:26 PM)
Sukasa

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Since: 11-17-05
From: Somewhere over there

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Posted on 07-24-06 04:17 PM Link | Quote
you ahve it basically right... but you don't need to use tables.

Tables are for editing data in a game that is (for example) a text file where $00 = A, and not $41, which is A in ASCII.

And Translyhextion is a good Hex editor, win32 Based.
IceAIM
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Since: 07-24-06

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Posted on 07-24-06 05:51 PM Link | Quote
Can I do tables in Translyhextion if I ever wanted to edit resources in the rom such as text?
the_icepenguin

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Since: 05-28-06

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Posted on 07-24-06 06:03 PM Link | Quote
Im pretty sure you can.

Thats how i edit text.
IceAIM
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Since: 07-24-06

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Posted on 07-26-06 07:00 AM Link | Quote
Are there any solid guides on NES asm hacking (eg showing exactly how to insert binary code back into the rom, etc)
Ice Ranger

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Since: 11-24-05

Last post: 6292 days
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Posted on 07-26-06 11:05 AM Link | Quote
Hmm, not even one tutorial yet.

http://www.geocities.com/bjb138/rockmanXasm/asm1.html
http://www.geocities.com/bjb138/rockmanXasm/asm2.html

Also check Zophar.net for the list of 6502 op codes as well, but those tutorials should tell you how to do a few things rather quickly.
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