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1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted
6: * provided that the above copyright notice and this paragraph are
7: * duplicated in all such forms and that any documentation,
8: * advertising materials, and other materials related to such
9: * distribution and use acknowledge that the software was developed
10: * by the University of California, Berkeley. The name of the
11: * University may not be used to endorse or promote products derived
12: * from this software without specific prior written permission.
13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16: *
17: * @(#)tahoe.h 1.3 (Berkeley) 6/29/88
18: */
19:
20: /*
21: * opcode of the `callf' instruction
22: */
23: #define CALLF 0xfe
24:
25: /*
26: * offset (in bytes) of the code from the entry address of a routine.
27: * (see asgnsamples for use and explanation.)
28: */
29: #define OFFSET_OF_CODE 2
30: #define UNITS_TO_CODE (OFFSET_OF_CODE / sizeof(UNIT))
31:
32: /*
33: * register for pc relative addressing
34: */
35: #define PC 0xf
36:
37: enum opermodes {
38: literal, indexed, reg, regdef, autodec, autoinc, autoincdef,
39: bytedisp, bytedispdef, worddisp, worddispdef, longdisp, longdispdef,
40: immediate, absolute, byterel, bytereldef, wordrel, wordreldef,
41: longrel, longreldef
42: };
43: typedef enum opermodes operandenum;
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