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Old 27 September 2009, 16:43   #1
Jonathan Drain
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Location: Sector K240
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K240: Using WinUAE debugger to find cheat codes

Out of curiosity I'm looking for undiscovered cheat codes in old games. I've examined K240 save states and WinUAE debugger but the known cheat codes aren't to be found in plaintext. Some questions:

1. Can WinUAE debugger watch instructions or an area of memory in real-time, as with Visual Boy Advance?

2. Can anyone think of another way to find codes or game secrets?

3. Is the version of K240 on the Best of Gremlin CD different to the regular one?

4. Does anyone know any interesting secrets to this game? Are there any developers on this board who worked on K240?

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Old 29 September 2009, 13:20   #2
Toni Wilen
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debugger isn't really made for cheating (anything else than basic search will be difficult to use)
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Old 17 October 2009, 13:40   #3
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Old 26 October 2009, 19:14   #4
Jonathan Drain
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Join Date: Sep 2009
Location: Sector K240
Posts: 338
If anyone's interested, I did some digging with a disassembler, and found the area where the K240 cheat codes are stored. Unfortunately, there are only the twelve codes already known.

An example of how the codes are stored:

	DC.L	$21271521,$33132019	;1d41e
	DC.W	$1213
	DC.B	$44
Each two-digit pair here is one character. It's not ASCII, but Amiga keyboard scancodes (hexadecimal), ending in Enter (0x44). Note how this code (SKYSCRAPER) is ten characters and one enter long.
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