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Last change
on this file since 219 was 2, checked in by Rick van der Zwet, 15 years ago |
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Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
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Property svn:executable
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*
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File size:
1.3 KB
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| 1 | /* Author : Rick van der Zwet
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| 2 | * S-number : 0433373
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| 3 | * Version : $Id: constant.c 361 2007-12-03 04:27:55Z rick $
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| 4 | * Copyright : FreeBSD Licence
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| 5 | * Description : MIPS simulator. Main module
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| 6 | */
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| 7 |
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| 8 | #include <stdlib.h>
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| 9 | #include <stdio.h>
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| 10 | #include <sysexits.h>
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| 11 | #include "sim.h"
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| 12 | #include "constant.h"
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| 13 |
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| 14 | word
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| 15 | constant_call(const const_control_t action)
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| 16 | {
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| 17 | word out = 0;
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| 18 | switch (action) {
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| 19 | case C0:
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| 20 | out = 0;
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| 21 | break;
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| 22 | case C1:
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| 23 | out = 1;
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| 24 | break;
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| 25 | case C2:
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| 26 | out = 2;
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| 27 | break;
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| 28 | case C3:
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| 29 | out = 3;
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| 30 | break;
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| 31 | case C4:
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| 32 | out = 4;
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| 33 | break;
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| 34 | case C5:
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| 35 | out = 8;
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| 36 | break;
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| 37 | case C6:
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| 38 | out = 16;
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| 39 | break;
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| 40 | case C7:
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| 41 | out = 24;
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| 42 | break;
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| 43 | case C8:
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| 44 | out = 31;
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| 45 | break;
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| 46 | case C9:
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| 47 | /* 11110000 00000000 00000000 00000000 */
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| 48 | out = 0x1E000000;
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| 49 | break;
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| 50 | case C10:
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| 51 | /* 00000000 00000000 11111111 11111111 */
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| 52 | out = 0x0000FFFF;
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| 53 | break;
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| 54 | case C11:
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| 55 | /* 00000000 11111111 11111111 11111111 */
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| 56 | out = 0x00FFFFFF;
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| 57 | break;
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| 58 | case C12:
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| 59 | /* 11111111 11111111 11111111 11111100 */
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| 60 | out = 0xFFFFFFFC;
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| 61 | break;
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| 62 | default:
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| 63 | fprintf(stderr, "Constant action not implemented\n");
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| 64 | exit(EX_SOFTWARE);
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| 65 | break;
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| 66 | }
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| 67 | return (out);
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| 68 | }
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