It looks like I have figured it out
Code:
Function OpenFile(pszFile: PChar; nMode: ctypes.cint32): ctypes.cint32; Cdecl; External;
Procedure CloseFile(nFile: ctypes.cint32); Cdecl; External;
Function MMap(pAddr: Pointer; nLen,nProtection,nFlags,nFD,nOff: ctypes.cint32): Pointer; Cdecl; External;
Procedure MUnmap(p: Pointer; nSize: ctypes.cint32); Cdecl; External;
Procedure ChangeDir(pszDir: PChar); Cdecl; External;
Procedure ExecuteFile(pszFile: PChar; nZero1,nZero2: ctypes.cint32); Cdecl; External;
I was missing the Cdecl declaration for the external routines!
I will now be playing around with accessing the hardware of the gp2x directly using the above routines to see if I can get some graphics working faster on the gp2x
cheers,
Paul.
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