void mode(int m);
**mode defines**
M_TEXT_OUT
M_DRAWING
M_TEXT_INOUT
These modes are used for the GBDK built in libraries. M_TEXT_OUT allows puts
and other text-oriented tools to be used. M_DRAWING allows GBDK's plot
and other routines (such as directy.h downloadable from Jason's site)
to be used. M_TEXT_INOUT allows for puts and gets to be used.