2 blender for the Gameboy Advance
3 Copyright (C) 2021 John Tsiombikas <nuclear@member.fsf.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>.
43 /* set/clear interrupts */
45 do { REG_IME |= 0x0001; } while(0)
47 do { REG_IME &= 0xfffe; } while(0)
49 /* set an interrupt handler */
50 void interrupt(int intr, void (*handler)(void));
52 /* mask/unmask an interrupt */
53 #define mask(intr) do {REG_IE &= ~(1 << (intr));} while(0)
54 #define unmask(intr) do {REG_IE |= 1 << (intr);} while(0)