| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * |
| 3 | * * |
| 4 | * This program is free software; you can redistribute it and/or modify * |
| 5 | * it under the terms of the GNU General Public License as published by * |
| 6 | * the Free Software Foundation; either version 2 of the License, or * |
| 7 | * (at your option) any later version. * |
| 8 | * * |
| 9 | * This program is distributed in the hope that it will be useful, * |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 12 | * GNU General Public License for more details. * |
| 13 | * * |
| 14 | * You should have received a copy of the GNU General Public License * |
| 15 | * along with this program; if not, write to the * |
| 16 | * Free Software Foundation, Inc., * |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 18 | ***************************************************************************/ |
| 19 | |
| 20 | /* |
| 21 | * Sound (SPU) functions. |
| 22 | */ |
| 23 | |
| 24 | #include "spu.h" |
| 25 | #include "psxevents.h" |
| 26 | |
| 27 | void CALLBACK SPUirq(int cycles_after) { |
| 28 | if (cycles_after > 0) { |
| 29 | set_event(PSXINT_SPU_IRQ, cycles_after); |
| 30 | return; |
| 31 | } |
| 32 | |
| 33 | psxHu32ref(0x1070) |= SWAPu32(0x200); |
| 34 | } |
| 35 | |
| 36 | void spuDelayedIrq() { |
| 37 | psxHu32ref(0x1070) |= SWAPu32(0x200); |
| 38 | } |
| 39 | |
| 40 | // spuUpdate |
| 41 | void CALLBACK SPUschedule(unsigned int cycles_after) { |
| 42 | set_event(PSXINT_SPU_UPDATE, cycles_after); |
| 43 | } |
| 44 | |
| 45 | void spuUpdate() { |
| 46 | SPU_async(psxRegs.cycle, 0); |
| 47 | } |