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- /*--------------------------------------------------------------------------
- * global.h
- *
- * Copyright 1987 by Michael Allen
- *
- * This contains the declarations for global variables used by the
- * graphics functions in graph.lib. You must include this in your
- * main module with a: #include "global.h". Then in sub-modules, include:
- * #include "glob_ext.h"
- *-------------------------------------------------------------------------*/
-
-
- union REGS regs;
-
- struct SREGS segregs;
-
- T_SCREEN screen = (unsigned char far *)SCREENADDR; /* color card screen buffer */
-
- int xmax = 639,
- xmin = 0,
- ymax = 199, /* the size of the screen in pixels */
- ymin = 0;
-
- BYTE draw_option; /* NORMAL, XOR_MODE */
-
-
- /* ----------------------------------------------------------------- */
-