Probably you forgot to select "fastcall" calling convention (Project settings->C/C++->Code generation).

>Very frustrating.
>
>Now; such a simple fll (prints out var type passed) is returning garbage.
>
>I think I need to take a break...
>the output is:
>VAL[]
>Var: [
>
>so I must have screwed somethign up with mixing/matching libraries or header files or something...
>
>#include "pro_ext.h"
>
>void FAR test(ParamBlk FAR *parm ) {
> char test[100];
> _PutStr("VAL[");
> _PutValue(&parm->p[0].val);
> _PutStr("]\n");
> sprintf(test,"Var: [%c]\n",parm->p[0].val.ev_type);
> _PutStr(test);
>}