|
Last change
on this file since 317 was 2, checked in by Rick van der Zwet, 15 years ago |
|
Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
|
-
Property svn:executable
set to
*
|
|
File size:
1.3 KB
|
| Line | |
|---|
| 1 | /* Author : Rick van der Zwet
|
|---|
| 2 | * S-number : 0433373
|
|---|
| 3 | * Version : $Id: constant.c 361 2007-12-03 04:27:55Z rick $
|
|---|
| 4 | * Copyright : FreeBSD Licence
|
|---|
| 5 | * Description : MIPS simulator. Main module
|
|---|
| 6 | */
|
|---|
| 7 |
|
|---|
| 8 | #include <stdlib.h>
|
|---|
| 9 | #include <stdio.h>
|
|---|
| 10 | #include <sysexits.h>
|
|---|
| 11 | #include "sim.h"
|
|---|
| 12 | #include "constant.h"
|
|---|
| 13 |
|
|---|
| 14 | word
|
|---|
| 15 | constant_call(const const_control_t action)
|
|---|
| 16 | {
|
|---|
| 17 | word out = 0;
|
|---|
| 18 | switch (action) {
|
|---|
| 19 | case C0:
|
|---|
| 20 | out = 0;
|
|---|
| 21 | break;
|
|---|
| 22 | case C1:
|
|---|
| 23 | out = 1;
|
|---|
| 24 | break;
|
|---|
| 25 | case C2:
|
|---|
| 26 | out = 2;
|
|---|
| 27 | break;
|
|---|
| 28 | case C3:
|
|---|
| 29 | out = 3;
|
|---|
| 30 | break;
|
|---|
| 31 | case C4:
|
|---|
| 32 | out = 4;
|
|---|
| 33 | break;
|
|---|
| 34 | case C5:
|
|---|
| 35 | out = 8;
|
|---|
| 36 | break;
|
|---|
| 37 | case C6:
|
|---|
| 38 | out = 16;
|
|---|
| 39 | break;
|
|---|
| 40 | case C7:
|
|---|
| 41 | out = 24;
|
|---|
| 42 | break;
|
|---|
| 43 | case C8:
|
|---|
| 44 | out = 31;
|
|---|
| 45 | break;
|
|---|
| 46 | case C9:
|
|---|
| 47 | /* 11110000 00000000 00000000 00000000 */
|
|---|
| 48 | out = 0x1E000000;
|
|---|
| 49 | break;
|
|---|
| 50 | case C10:
|
|---|
| 51 | /* 00000000 00000000 11111111 11111111 */
|
|---|
| 52 | out = 0x0000FFFF;
|
|---|
| 53 | break;
|
|---|
| 54 | case C11:
|
|---|
| 55 | /* 00000000 11111111 11111111 11111111 */
|
|---|
| 56 | out = 0x00FFFFFF;
|
|---|
| 57 | break;
|
|---|
| 58 | case C12:
|
|---|
| 59 | /* 11111111 11111111 11111111 11111100 */
|
|---|
| 60 | out = 0xFFFFFFFC;
|
|---|
| 61 | break;
|
|---|
| 62 | default:
|
|---|
| 63 | fprintf(stderr, "Constant action not implemented\n");
|
|---|
| 64 | exit(EX_SOFTWARE);
|
|---|
| 65 | break;
|
|---|
| 66 | }
|
|---|
| 67 | return (out);
|
|---|
| 68 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
