1*45760Sbostic /*- 2*45760Sbostic * Copyright (c) 1986 The Regents of the University of California. 3*45760Sbostic * All rights reserved. 4*45760Sbostic * 5*45760Sbostic * This code is derived from software contributed to Berkeley by 6*45760Sbostic * Computer Consoles Inc. 7*45760Sbostic * 8*45760Sbostic * %sccs.include.redist.c% 9*45760Sbostic * 10*45760Sbostic * @(#)Amovzb.c 7.1 (Berkeley) 12/06/90 11*45760Sbostic */ 1229618Ssam 1345699Sbostic #include "align.h" movzb(infop)1429618Ssammovzb(infop) process_info *infop; 1529618Ssam /* 1629618Ssam /* Move byte to word or longword, zero-extended 1729618Ssam /* 1829618Ssam /****************************************/ 1929618Ssam { 2029618Ssam register long result; 2129618Ssam register struct oprnd *oppnt; 2229618Ssam 2329618Ssam oppnt = operand(infop,0); 2429618Ssam result = oppnt->data; 2529618Ssam negative_0; 2629618Ssam if (result == 0 ) zero_1 ; else zero_0; 2729618Ssam overflow_0; carry_1; 2829618Ssam if ((oppnt->mode & 0xff) == Dir) 2929618Ssam write_back (infop, result , operand(infop,1) ); 3029618Ssam else write_back (infop, result & 0xff, operand(infop,1) ); 3129618Ssam } 32