1 /*- 2 * Copyright (c) 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Computer Consoles Inc. 7 * 8 * %sccs.include.redist.c% 9 * 10 * @(#)Atst.c 7.1 (Berkeley) 12/06/90 11 */ 12 13 #include "align.h" 14 tst(infop) process_info *infop; 15 /* 16 /* Test operand, set condition codes. 17 /* 18 /************************************************/ 19 { 20 register long quantity; 21 22 quantity = operand(infop,0)->data; 23 if (quantity < 0) negative_1; else negative_0; 24 if (quantity == 0) zero_1; else zero_0; 25 overflow_0; carry_1; 26 } 27