/* vt100_plot.h                                         */ 
/* center of screen is 0.0,0.0                          */
/* X is across screen, Y is up and down                 */
/* limits :  -39.0 <= X <= 39.0      -11.0 <= Y <= 11.0 */
#ifndef VT100_PLOT_H
#define VT100_PLOT_H
#ifdef __cplusplus
  extern "C" {
#endif
    void INITIALIZE() ;
    void DRAW_CIRCLE ( float X, float Y, float R ) ;
    void DRAW_ELLIPSE ( float X, float Y, float XR, float YR ) ;
    void DRAW_RECTANGLE ( float X, float Y, float W, float H ) ;
    void DRAW_LINE ( float X1, float Y1, float X2, float Y2 ) ;
    void WRITE_TEXT ( float X, float Y, char *TEXT ) ;
    void PRINT() ;
#ifdef __cplusplus
  }
#endif
#endif  /* VT100_PLOT_H */