DisplayExecuteFunction constants

DISPLAY_CHAR DISPLAY_ERASE_ALL DISPLAY_ERASE_LINE DISPLAY_FILL_REGION DISPLAY_FRAME DISPLAY_HORIZONTAL_LINE DISPLAY_PIXEL DISPLAY_VERTICAL_LINE

#define DISPLAY_FRAME   0x07 W - draw a frame (on/off) (CMD,TRUE/FALSE,X1,Y1,X2,Y2)