GRASS Programmer's Manual
6.4.2(2012)
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00001 #include "driver.h" 00002 #include "driverlib.h" 00003 00004 void COM_Erase(void) 00005 { 00006 int top, bot, left, rite; 00007 00008 if (driver->Erase) { 00009 (*driver->Erase) (); 00010 return; 00011 } 00012 00013 COM_Screen_top(&top); 00014 COM_Screen_bot(&bot); 00015 COM_Screen_rite(&rite); 00016 COM_Screen_left(&left); 00017 00018 COM_Box_abs(left, top, rite, bot); 00019 }