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[Grimgrin]

To do this, you need a hex editor.

To add more space in the ROM, in hex go to address $1c010 and copy from $1c010 to $2000f and save it to a new file.
Next, choose any of these location that you want to use to copy the file to:


Address                     PRG Bank Number:


$1c010                    7 Main Bank
$20010                    9
$40010                    11
$44010                    12
$48010                    13
$4c010                     14
$50010                    15
$54010                    16
$58010                    17
$5c010                     18
$60010                    19
$64010                    1a
$68010                    1b
$6c010                     1c
$70010                    1d
$74010                    1e
$78010                    1f
$7c010                     20 this is what I have in my ROM

Now go to iNES header located at $0. Go to address $4 and you will see $08. Change $08 to $20 for location $7C010 and it's done. Now you have more space to test out something new.

[teremochek]

Thanks. It works.

[Quoise Games]

I'm trying to add space but its not working for me.  Can someone host a modified TGL with space added to it?

[Grimgrin]

What emulator are you using?

[Quoise Games]

fceux

[Grimgrin]

Here's a tool that can help you do that. http://www.romhacking.net/utilities/425/

[optomon]

Will this run on NES hardware ?

[Grimgrin]

To me, Nestopia acts like a real hardware. I tested it on that emulator and it didn't work. It only works on emulator like FCEUX and maybe others.

[Quoise Games]

Hey, thanks I got it working!