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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// Copyright (C) 2003-2009 Dolphin Project.
// This program 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, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "../../../Core/VideoCommon/Src/VideoCommon.h"
#include "XFMemLoader.h"
#include "CPMemLoader.h"
#include "Clipper.h"
XFRegisters xfregs;
void InitXFMemory()
{
memset(&xfregs, 0, sizeof(xfregs));
}
void XFWritten(u32 transferSize, u32 baseAddress)
{
u32 topAddress = baseAddress + transferSize;
if (baseAddress <= 0x1026 && topAddress >= 0x1020)
Clipper::SetViewOffset();
}
void LoadXFReg(u32 transferSize, u32 baseAddress, u32 *pData)
{
u32 size = transferSize;
// do not allow writes past registers
if (baseAddress + transferSize > 0x1058)
{
INFO_LOG(VIDEO, "xf load exceeds address space: %x %d bytes\n", baseAddress, transferSize);
if (baseAddress >= 0x1058)
size = 0;
else
size = 0x1058 - baseAddress;
}
if (size > 0) {
memcpy_gc( &((u32*)&xfregs)[baseAddress], pData, size * 4);
XFWritten(transferSize, baseAddress);
}
}
void LoadIndexedXF(u32 val, int array)
{
int index = val >> 16;
int address = val & 0xFFF; //check mask
int size = ((val >> 12) & 0xF) + 1;
//load stuff from array to address in xf mem
u32* xfmem = (u32*)&xfregs;
for (int i = 0; i < size; i++)
xfmem[address + i] = Memory_Read_U32(arraybases[array] + arraystrides[array]*index + i*4);
}
|
