/[pcsx2_0.9.7]/trunk/pcsx2/VU0micro.cpp
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Contents of /trunk/pcsx2/VU0micro.cpp

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Revision 62 - (show annotations) (download)
Tue Sep 7 11:08:22 2010 UTC (10 years, 2 months ago) by william
File size: 1571 byte(s)
Auto Commited Import of: pcsx2-0.9.7-r3738-debug in ./trunk
1 /* PCSX2 - PS2 Emulator for PCs
2 * Copyright (C) 2002-2010 PCSX2 Dev Team
3 *
4 * PCSX2 is free software: you can redistribute it and/or modify it under the terms
5 * of the GNU Lesser General Public License as published by the Free Software Found-
6 * ation, either version 3 of the License, or (at your option) any later version.
7 *
8 * PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
9 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
10 * PURPOSE. See the GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License along with PCSX2.
13 * If not, see <http://www.gnu.org/licenses/>.
14 */
15
16
17 // This module contains code shared by both the dynarec and interpreter versions
18 // of the VU0 micro.
19
20
21 #include "PrecompiledHeader.h"
22 #include "Common.h"
23 #include "VUmicro.h"
24
25 #include <cmath>
26
27 using namespace R5900;
28
29 #define VF_VAL(x) ((x==0x80000000)?0:(x))
30
31 // This is called by the COP2 as per the CTC instruction
32 void vu0ResetRegs()
33 {
34 VU0.VI[REG_VPU_STAT].UL &= ~0xff; // stop vu0
35 VU0.VI[REG_FBRST].UL &= ~0xff; // stop vu0
36 vif0Regs.stat.VEW = false;
37 }
38
39 void __fastcall vu0ExecMicro(u32 addr) {
40 VUM_LOG("vu0ExecMicro %x", addr);
41
42 if(VU0.VI[REG_VPU_STAT].UL & 0x1) {
43 DevCon.Warning("vu0ExecMicro > Stalling for previous microprogram to finish");
44 vu0Finish();
45 }
46
47 VU0.VI[REG_VPU_STAT].UL &= ~0xFF;
48 VU0.VI[REG_VPU_STAT].UL |= 0x01;
49
50 if ((s32)addr != -1) VU0.VI[REG_TPC].UL = addr;
51 _vuExecMicroDebug(VU0);
52 CpuVU0->ExecuteBlock(1);
53 }

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