annotate src/intr.h @ 0:875ef6085efc
gbasys mercurial repository
author |
John Tsiombikas <nuclear@member.fsf.org> |
date |
Sun, 04 Mar 2012 04:04:25 +0200 |
parents |
|
children |
e3dc7705ad9c |
rev |
line source |
nuclear@0
|
1 /*
|
nuclear@0
|
2 Copyright 2004 John Tsiombikas <nuclear@siggraph.org>
|
nuclear@0
|
3
|
nuclear@0
|
4 This file is part of libgba, a library for GameBoy Advance development.
|
nuclear@0
|
5
|
nuclear@0
|
6 This program is free software; you can redistribute it and/or modify
|
nuclear@0
|
7 it under the terms of the GNU General Public License as published by
|
nuclear@0
|
8 the Free Software Foundation; either version 2 of the License, or
|
nuclear@0
|
9 (at your option) any later version.
|
nuclear@0
|
10
|
nuclear@0
|
11 This program is distributed in the hope that it will be useful,
|
nuclear@0
|
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
nuclear@0
|
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
nuclear@0
|
14 GNU General Public License for more details.
|
nuclear@0
|
15
|
nuclear@0
|
16 You should have received a copy of the GNU General Public License
|
nuclear@0
|
17 along with this program; if not, write to the Free Software
|
nuclear@0
|
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
nuclear@0
|
19 */
|
nuclear@0
|
20
|
nuclear@0
|
21 #ifndef _INTR_H_
|
nuclear@0
|
22 #define _INTR_H_
|
nuclear@0
|
23
|
nuclear@0
|
24 /* interrupts */
|
nuclear@0
|
25 enum {
|
nuclear@0
|
26 INTR_VBLANK,
|
nuclear@0
|
27 INTR_HBLANK,
|
nuclear@0
|
28 INTR_VCOUNT,
|
nuclear@0
|
29 INTR_TIMER0,
|
nuclear@0
|
30 INTR_TIMER1,
|
nuclear@0
|
31 INTR_TIMER2,
|
nuclear@0
|
32 INTR_TIMER3,
|
nuclear@0
|
33 INTR_COMM,
|
nuclear@0
|
34 INTR_DMA0,
|
nuclear@0
|
35 INTR_DMA1,
|
nuclear@0
|
36 INTR_DMA2,
|
nuclear@0
|
37 INTR_DMA3,
|
nuclear@0
|
38 INTR_KEY,
|
nuclear@0
|
39 INTR_GPAK
|
nuclear@0
|
40 };
|
nuclear@0
|
41
|
nuclear@0
|
42 extern unsigned short *reg_int_master;
|
nuclear@0
|
43 extern unsigned short *reg_int_mask;
|
nuclear@0
|
44
|
nuclear@0
|
45 void intr_init(void);
|
nuclear@0
|
46
|
nuclear@0
|
47 /* set/clear interrupts */
|
nuclear@0
|
48 #define set_int() do {*reg_int_master = 1;} while(0)
|
nuclear@0
|
49 #define clr_int() do {*reg_int_master = 0;} while(0)
|
nuclear@0
|
50
|
nuclear@0
|
51 /* set an interrupt handler */
|
nuclear@0
|
52 void interrupt(int intr, void (*handler)(void));
|
nuclear@0
|
53
|
nuclear@0
|
54 /* mask/unmask an interrupt */
|
nuclear@0
|
55 #define mask(intr) do {*reg_int_mask ^= 1 << (intr);} while(0)
|
nuclear@0
|
56 #define unmask(intr) do {*reg_int_mask |= 1 << (intr);} while(0)
|
nuclear@0
|
57
|
nuclear@0
|
58 #endif /* _INTR_H_ */
|