projects / unix-history / blame
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| ddb85eed KB |
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 | |
| 2124b336 KB |
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. | |
| ddb85eed | 16 | * |
| 2124b336 | 17 | * @(#)tahoe.h 1.3 (Berkeley) %G% |
| ddb85eed | 18 | */ |
| 1ec8882b SL |
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; |