xref: /original-bsd/sys/tahoe/align/Amovzb.c (revision f052b07a)
1 /*	Amovzb.c	1.1	86/07/20	*/
2 
3 #include "../tahoealign/align.h"
4 movzb(infop) 	process_info *infop;
5 /*
6 /*	Move byte to word or longword, zero-extended
7 /*
8 /****************************************/
9 {
10 	register long result;
11 	register struct oprnd *oppnt;
12 
13 	oppnt = operand(infop,0);
14 	result = oppnt->data;
15 	negative_0;
16 	if (result == 0 )  zero_1 ; else zero_0;
17 	overflow_0;  carry_1;
18 	if ((oppnt->mode & 0xff) == Dir)
19 		write_back (infop, result , operand(infop,1) );
20 	else write_back (infop, result & 0xff, operand(infop,1) );
21 }
22