URL https://opencores.org/ocsvn/scarm/scarm/trunk

Subversion Repositories scarm

[/] [scarm/] [trunk/] [src/] [scSignExt.cpp] - Blame information for rev 10

Line No.	Rev	Author	Line
1	5	zhong	`// scSignExt.cpp: implementation of the scSignExt class.`
2			`/* -------------------`
3			`begin : Oct 2 2002`
4			`copyright : (C) 2002 UESTC`
5			`author : Zhong Tao`
6			`email : zhong@opencores.org`
7			`***************************************************************************/`
8
9			`/***************************************************************************`
10			`* *`
11			`* This program is free software; you can redistribute it and/or modify *`
12			`* it under the terms of the GNU General Public License as published by *`
13			`* the Free Software Foundation; either version 2 of the License, or *`
14			`* (at your option) any later version. *`
15			`* *`
16			`***************************************************************************/`
17			`#include "scSignExt.h"`
18
19			`//////////////////////////////////////////////////////////////////////`
20			`// Construction/Destruction`
21			`//////////////////////////////////////////////////////////////////////`
22
23			`scSignExt::scSignExt(sc_module_name name_):sc_module(name_)`
24			`{`
25			`SC_METHOD(entry);`
26			`sensitive<<in_Data;`
27			`}`
28
29			`scSignExt::~scSignExt()`
30			`{`
31
32			`}`
33
34			`void scSignExt::entry()`
35			`{`
36
37			`//24bit offset Sign extension`
38			`uint32_t temp=in_Data;`
39			`if(temp&(0x00800000))`
40			`{`
41			`temp=(temp\|0xFF000000);`
42
43			`}`
44			`out_Data=temp;`
45			`}`