One is to modify the memory of the emulator during the game, as if using FCdebug. directly to the program to trace the data. Or use the so-called gold finger code, using the original function of the emulator to modify.
The second is to change the game code directly. This is called hacking, which is more difficult.
The first method of the tutorial:/Soft/200901/12659.html
Preparation tools:
c32asm or UltraEdit Hexadecimal modification can be
EC simulation modifiers
FCEUltraV0-V1.0 and FCEUltraV1.0 are the most popular modifiers in the world. FCEUltraV0-98-15 Chinese Version
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What is hack? It's the kind that messes with invincibility and unlimited blood
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Watch the maneuvers, not much typing
First of all, the masters flashed, this tutorial is not suitable for the masters
Prepare a good FC Game (nes format or other will do)
I change Contra
First open the EC simulator modifier
Select the simulator
The icon should be the same as the simulator
Locate the Contra
Press "open the current cht file"
First, get the life
[P1 Number of lives]
ON=0032,200
See ON=0032,200
0032
Life 0032 remove 00 as long as it's the last 2 digits because it's in hexadecimal
Known lives are 32
Okay, let's do it
Open the simulator
Check the "System" box and press "Open Current cht File"
First, we will do the lives
Open the simulator. p>Check "Debugger" in "System"
Enter 32 in the breakpoint, pick "write"
Press " Add"
Don't close the window or it won't work
Then die once
Automatic stop
Look at the first line
da03:D6 32
Memorize it
Then press "Memory"
And then press "Write"
Then type 32 in the breakpoint. "
Find
da03=da0x (x stands for any number)
da0x: 32 F0 03 D6 32 60 A9 01 95 38 60 A5 40 05 75 05
Remember that da03=da0x has to be the same, and it has to have D6 32
Not all games have the same life values, they're all different
Contra 2 is like 52
Well, open it up and change it
Open
c32asm
If Contra has read-only picked out in the attributes, make sure you pick it out or you won't be able to change it
Press "search" and select "read-only" and "search". "
Enter 32 F0 03 D6 32 60 A9 01 95 38 60 A5 40 05 75 05
Found it
Modify D6 32
Change d6 32 to EA EA
Become 32 F0 03 D6 32 60 A9 01 95 38 60 A5 40 05 75 05
Found it
Modify D6 32
Change d6 32 to EA EA
Become 32 F0 03 EA EA 60 A9 01 95 38 60 A5 40 05 75 05
After changing it, save as
Go and try to see if it's unlimited blood
It won't kill you
Look
These can be changed as well
AA is changed to 03
Enter the game and change it
Enter the game and change it. >
Eat a bullet
e33e:95 AA
e33x: 08 55 AA 29 0F F0 02 A0 E0 98 35 AA 05 08 95 AA
Hey! I can't change it, forget it
I'll study it later
We'll use Kingsoft Rogue V
and then we'll give you a tutorial
.