WHAT YOU NEED
You must get some tools to make NGPC software.

1.TCLS-900h compilers
It's just a compiler.
http://www.rog666.btinternet.co.uk
Download it there.
Then see the help.


2.NGPC EMULATOR
If you want to get them, click here.


3.GBTD
It's tile editer.
Download here:
http://www.casema.net/~hpmulder/index.html


4.GBMB
It's map editer.
Download here:
http://www.casema.net/~hpmulder/index.html


5.GIQ
It makes *.JPG or *.TGA converted to *.GBR and *.GBM.
Download here:
http://www.formula.nl