1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)dumb.h 5.1 (Berkeley) 05/07/85 7 * 8 * 9 * This accepts plot file formats and produces the appropriate plots 10 * for dumb terminals. It can also be used for printing terminals and 11 * lineprinter listings, although there is no way to specify number of 12 * lines and columns different from your terminal. This would be easy 13 * to change, and is left as an exercise for the reader. 14 */ 15 16 #include <math.h> 17 18 #define scale(x,y) y = LINES-1-(LINES*y/rangeY +minY); x = COLS*x/rangeX + minX 19 20 extern int minX, rangeX; /* min and range of x */ 21 extern int minY, rangeY; /* min and range of y */ 22 extern int currentx, currenty; 23 extern int COLS, LINES; 24 25 /* A very large screen! (probably should use malloc) */ 26 #define MAXCOLS 132 27 #define MAXLINES 90 28 29 extern char screenmat[MAXCOLS][MAXLINES]; 30