blob: 98f00793de13c0df397387a3eae0752f5a1d1f63 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
Copyright 2016-2017 StapleButter
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef FIFO_H
#define FIFO_H
#include "types.h"
class FIFO
{
public:
FIFO(u32 num);
~FIFO();
void Clear();
void Write(u32 val);
u32 Read();
u32 Peek();
u32 Level() { return NumOccupied; }
bool IsEmpty() { return NumOccupied == 0; }
bool IsFull() { return NumOccupied >= NumEntries; }
private:
u32 NumEntries;
u32* Entries;
u32 NumOccupied;
u32 ReadPos, WritePos;
};
#endif
|