mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-09-23 20:02:45 -06:00
Re-committed code from R874, but fixed the build problem, and made some code cleanup.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@880 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
omegadox
@ -15,73 +15,29 @@
|
||||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
// PatchEngine
|
||||
|
||||
// [Tue Aug 21 2007] [18:30:40] <Knuckles-> 0x802904b4 in US released
|
||||
// [Tue Aug 21 2007] [18:30:53] <Knuckles-> 0x80294d54 in EUR Demo version
|
||||
// [Tue Aug 21 2007] [18:31:10] <Knuckles-> we just patch a blr on it (0x4E800020)
|
||||
// A little present to our dear hacker friends
|
||||
// (A partial Action Replay engine)
|
||||
// And a temporary "solution" to Zelda item glitch...
|
||||
|
||||
// [OnLoad]
|
||||
// 0x80020394=dword,0x4e800020
|
||||
|
||||
// #define BLR_OP 0x4e800020
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include "StringUtil.h"
|
||||
#include "PatchEngine.h"
|
||||
#include "IniFile.h"
|
||||
#include "HW/Memmap.h"
|
||||
|
||||
|
||||
enum PatchType
|
||||
{
|
||||
PATCH_8BIT,
|
||||
PATCH_16BIT,
|
||||
PATCH_32BIT,
|
||||
};
|
||||
|
||||
static const char *PatchTypeStrings[] =
|
||||
{
|
||||
"byte",
|
||||
"word",
|
||||
"dword",
|
||||
0
|
||||
};
|
||||
|
||||
|
||||
struct Patch
|
||||
{
|
||||
Patch() {}
|
||||
Patch(PatchType _t, u32 _addr, u32 _value) : type(_t), address(_addr), value(_value) {}
|
||||
PatchType type;
|
||||
u32 address;
|
||||
u32 value;
|
||||
};
|
||||
|
||||
std::vector<Patch> onLoad;
|
||||
std::vector<Patch> onFrame;
|
||||
|
||||
struct AREntry {
|
||||
u32 cmd_addr;
|
||||
u32 value;
|
||||
};
|
||||
|
||||
struct ARCode {
|
||||
std::string name;
|
||||
std::vector<AREntry> ops;
|
||||
bool active;
|
||||
};
|
||||
|
||||
std::vector<ARCode> arCodes;
|
||||
#include "ActionReplay.h"
|
||||
|
||||
using namespace Common;
|
||||
|
||||
void RunActionReplayCode(const ARCode &code, bool nowIsBootup);
|
||||
std::vector<Patch> onLoad;
|
||||
std::vector<Patch> onFrame;
|
||||
|
||||
void LoadPatchSection(const char *section, std::vector<Patch> &patches, IniFile &ini)
|
||||
{
|
||||
@ -110,8 +66,6 @@ void LoadPatchSection(const char *section, std::vector<Patch> &patches, IniFile
|
||||
}
|
||||
}
|
||||
|
||||
void LoadActionReplayCodes(IniFile &ini);
|
||||
|
||||
void PatchEngine_LoadPatches(const char *gameID)
|
||||
{
|
||||
IniFile ini;
|
||||
@ -156,291 +110,11 @@ void PatchEngine_ApplyFramePatches()
|
||||
{
|
||||
ApplyPatches(onFrame);
|
||||
}
|
||||
|
||||
void PatchEngine_ApplyARPatches()
|
||||
{
|
||||
for (std::vector<ARCode>::const_iterator iter = arCodes.begin(); iter != arCodes.end(); ++iter) {
|
||||
if (iter->active)
|
||||
RunActionReplayCode(*iter, false);
|
||||
}
|
||||
}
|
||||
|
||||
void LoadActionReplayCodes(IniFile &ini)
|
||||
{
|
||||
std::vector<std::string> lines;
|
||||
ARCode currentCode;
|
||||
arCodes.clear();
|
||||
|
||||
if (!ini.GetLines("ActionReplay", lines))
|
||||
return;
|
||||
|
||||
for (std::vector<std::string>::const_iterator iter = lines.begin(); iter != lines.end(); ++iter)
|
||||
{
|
||||
std::string line = *iter;
|
||||
|
||||
std::vector<std::string> pieces;
|
||||
SplitString(line, " ", pieces);
|
||||
if (pieces.size() == 2 && pieces[0].size() == 8 && pieces[1].size() == 8)
|
||||
{
|
||||
// Smells like a decrypted Action Replay code, great! Decode!
|
||||
AREntry op;
|
||||
bool success = TryParseUInt(std::string("0x") + pieces[0], &op.cmd_addr);
|
||||
success |= TryParseUInt(std::string("0x") + pieces[1], &op.value);
|
||||
if (!success)
|
||||
PanicAlert("Invalid AR code line: %s", line.c_str());
|
||||
else
|
||||
currentCode.ops.push_back(op);
|
||||
}
|
||||
else
|
||||
{
|
||||
SplitString(line, "-", pieces);
|
||||
if (pieces.size() == 3 && pieces[0].size() == 4 && pieces[1].size() == 4 && pieces[2].size() == 5)
|
||||
{
|
||||
// Encrypted AR code
|
||||
PanicAlert("Dolphin does not support encrypted AR codes");
|
||||
}
|
||||
else if (line.size() > 1)
|
||||
{
|
||||
// OK, name line. This is the start of a new code. Push the old one, prepare the new one.
|
||||
if (currentCode.ops.size())
|
||||
arCodes.push_back(currentCode);
|
||||
currentCode.name = "(invalid)";
|
||||
currentCode.ops.clear();
|
||||
|
||||
if (line[0] == '+')
|
||||
{
|
||||
// Active code - name line.
|
||||
line = StripSpaces(line.substr(1));
|
||||
currentCode.name = line;
|
||||
currentCode.active = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Inactive code.
|
||||
currentCode.name = line;
|
||||
currentCode.active = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Handle the last code correctly.
|
||||
if (currentCode.ops.size())
|
||||
arCodes.push_back(currentCode);
|
||||
}
|
||||
|
||||
// The mechanism is slightly different than what the real AR uses, so there may be compatibility problems.
|
||||
// For example, some authors have created codes that add features to AR. Hacks for popular ones can be added here,
|
||||
// but the problem is not generally solvable.
|
||||
void RunActionReplayCode(const ARCode &code, bool nowIsBootup) {
|
||||
for (std::vector<AREntry>::const_iterator iter = code.ops.begin(); iter != code.ops.end(); ++iter) {
|
||||
u32 cmd_addr = iter->cmd_addr;
|
||||
u8 cmd = iter->cmd_addr>>24;
|
||||
u32 addr = (iter->cmd_addr & 0x01FFFFFF);
|
||||
u32 data = iter->value;
|
||||
u8 z = (cmd >> 4);
|
||||
u8 w = (cmd - ((cmd >> 4) << 4));
|
||||
|
||||
if (addr >= 0x00002000 && addr < 0x00003000) {
|
||||
PanicAlert("This action replay simulator does not support codes that modify Action Replay itself.");
|
||||
return;
|
||||
}
|
||||
|
||||
// End of sequence. Dunno why anybody would use it.
|
||||
if (iter->cmd_addr == 0) {
|
||||
// Special command!
|
||||
if ((data >> 28) == 0x8) { // Fill 'n' slide
|
||||
PanicAlert("Fill'n'slide command not yet supported.");
|
||||
++iter; /*
|
||||
u32 x = data;
|
||||
u32 size = (addr >> 25) & 3;
|
||||
addr &= 0x01FFFFFF;*/
|
||||
}
|
||||
else {
|
||||
if (data == 0x40000000)
|
||||
{
|
||||
// Resume normal execution. Don't need to do anything here.
|
||||
}
|
||||
else
|
||||
{
|
||||
PanicAlert("This action replay command (%08x %08x) not yet supported.", cmd_addr, data);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// skip these weird init lines
|
||||
if (iter == code.ops.begin() && cmd == 1) continue;
|
||||
|
||||
switch(z)
|
||||
{
|
||||
case 0x00: // Ram write (and fill)
|
||||
{
|
||||
if(w < 0x8) // Check the value W in 0xZWXXXXXXX
|
||||
{
|
||||
u32 new_addr = (addr | 0x80000000);
|
||||
switch ((new_addr >> 25) & 0x03)
|
||||
{
|
||||
case 0x00: // Byte write
|
||||
{
|
||||
u8 repeat = data >> 8;
|
||||
for (int i = 0; i <= repeat; i++) {
|
||||
Memory::Write_U8(data & 0xFF, new_addr + i);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case 0x01: // Short write
|
||||
{
|
||||
u16 repeat = data >> 16;
|
||||
for (int i = 0; i <= repeat; i++) {
|
||||
Memory::Write_U16(data & 0xFFFF, new_addr + i * 2);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
case 0x02: // Dword write
|
||||
{
|
||||
Memory::Write_U32(data, new_addr);
|
||||
break;
|
||||
}
|
||||
default: break; // TODO(Omega): maybe add a PanicAlert here?
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
case 0x04: // Write to pointer
|
||||
{
|
||||
if(w < 0x8)
|
||||
{
|
||||
u32 new_addr = (addr | 0x80000000);
|
||||
switch ((new_addr >> 25) & 0x03)
|
||||
{
|
||||
case 0x00: // Byte write to pointer
|
||||
{
|
||||
u32 ptr = Memory::Read_U32(new_addr);
|
||||
u8 thebyte = data & 0xFF;
|
||||
u32 offset = data >> 8;
|
||||
Memory::Write_U8(thebyte, ptr + offset);
|
||||
break;
|
||||
}
|
||||
|
||||
case 0x01: // Short write to pointer
|
||||
{
|
||||
u32 ptr = Memory::Read_U32(new_addr);
|
||||
u16 theshort = data & 0xFFFF;
|
||||
u32 offset = (data >> 16) << 1;
|
||||
Memory::Write_U16(theshort, ptr + offset);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
case 0x02: // Dword write to pointer
|
||||
{
|
||||
u32 ptr = Memory::Read_U32(new_addr);
|
||||
Memory::Write_U32(data, ptr);
|
||||
break;
|
||||
}
|
||||
default: break; // TODO(Omega): maybe add a PanicAlert here?
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
default:
|
||||
{
|
||||
switch (cmd & 0xFE)
|
||||
{
|
||||
case 0x80: // Byte add
|
||||
Memory::Write_U8(Memory::Read_U8(addr) + (data & 0xFF), addr);
|
||||
break;
|
||||
case 0x82: // Short add
|
||||
Memory::Write_U16(Memory::Read_U16(addr) + (data & 0xFFFF), addr);
|
||||
break;
|
||||
case 0x84: // DWord add
|
||||
Memory::Write_U32(Memory::Read_U32(addr) + data, addr);
|
||||
break;
|
||||
case 0x86: // Float add (not working?)
|
||||
{
|
||||
union {
|
||||
u32 u;
|
||||
float f;
|
||||
} fu, d;
|
||||
fu.u = Memory::Read_U32(addr);
|
||||
d.u = data;
|
||||
fu.f += data;
|
||||
Memory::Write_U32(fu.u, addr);
|
||||
break;
|
||||
}
|
||||
case 0x90: if (Memory::Read_U32(addr) == data) return; // IF 32 bit equal, exit
|
||||
case 0x08: // IF 8 bit equal, execute next opcode
|
||||
case 0x48: // (double)
|
||||
{
|
||||
if (Memory::Read_U16(addr) != (data & 0xFFFF)) {
|
||||
if (++iter == code.ops.end()) return;
|
||||
if (cmd == 0x48) if (++iter == code.ops.end()) return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 0x0A: // IF 16 bit equal, execute next opcode
|
||||
case 0x4A: // (double)
|
||||
{
|
||||
if (Memory::Read_U16(addr) != (data & 0xFFFF)) {
|
||||
if (++iter == code.ops.end()) return;
|
||||
if (cmd == 0x4A) if (++iter == code.ops.end()) return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 0x0C: // IF 32 bit equal, execute next opcode
|
||||
case 0x4C: // (double)
|
||||
{
|
||||
if (Memory::Read_U32(addr) != data) {
|
||||
if (++iter == code.ops.end()) return;
|
||||
if (cmd == 0x4C) if (++iter == code.ops.end()) return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 0x10: // IF NOT 8 bit equal, execute next opcode
|
||||
case 0x50: // (double)
|
||||
{
|
||||
if (Memory::Read_U8(addr) == (data & 0xFF)) {
|
||||
if (++iter == code.ops.end()) return;
|
||||
if (cmd == 0x50) if (++iter == code.ops.end()) return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 0x12: // IF NOT 16 bit equal, execute next opcode
|
||||
case 0x52: // (double)
|
||||
{
|
||||
if (Memory::Read_U16(addr) == (data & 0xFFFF)) {
|
||||
if (++iter == code.ops.end()) return;
|
||||
if (cmd == 0x52) if (++iter == code.ops.end()) return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 0x14: // IF NOT 32 bit equal, execute next opcode
|
||||
case 0x54: // (double)
|
||||
{
|
||||
if (Memory::Read_U32(addr) == data) {
|
||||
if (++iter == code.ops.end()) return;
|
||||
if (cmd == 0x54) if (++iter == code.ops.end()) return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 0xC4: // "Master Code" - configure the AR
|
||||
{
|
||||
u8 number = data & 0xFF;
|
||||
if (number == 0)
|
||||
{
|
||||
// Normal master code - execute once.
|
||||
} else {
|
||||
// PanicAlert("Not supporting multiple master codes.");
|
||||
}
|
||||
// u8 numOpsPerFrame = (data >> 8) & 0xFF;
|
||||
// Blah, we generally ignore master codes.
|
||||
break;
|
||||
}
|
||||
default: PanicAlert("Unknown Action Replay command %02x (%08x %08x)", cmd, iter->cmd_addr, iter->value); break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user