mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-11 18:28:50 +02:00
* Add initial implementation of the Tamper Machine * Implement Atmosphere opcodes 0, 4 and 9 * Add missing TamperCompilationException class * Implement Atmosphere conditional and loop opcodes 1, 2 and 3 * Inplement input conditional opcode 8 * Add register store opcode A * Implement extended pause/resume opcodes FF0 and FF1 * Implement extended log opcode FFF * Implement extended register conditional opcode C0 * Refactor TamperProgram to an interface * Moved Atmosphere classes to a separate subdirectory * Fix OpProcCtrl class not setting process * Implement extended register save/restore opcodes C1, C2 and C3 * Refactor code emitters to separate classes * Supress memory access errors from the Tamper Machine * Add debug information to tamper register and memory writes * Add block stack check to Atmosphere Cheat compiler * Add handheld input support to Tamper Machine * Fix code styling * Fix build id and cheat case mismatch * Fix invalid immediate size selection * Print build ids of the title * Prevent Tamper Machine from change code regions * Remove Atmosphere namespace * Remove empty cheats from the list * Prevent code modification without disabling the tampering * Fix missing addressing mode in LoadRegisterWithMemory * Fix wrong addressing in RegisterConditional * Add name to the tamper machine thread * Fix code styling
47 lines
1.7 KiB
C#
47 lines
1.7 KiB
C#
using Ryujinx.HLE.HOS.Tamper.Operations;
|
|
|
|
namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
|
|
{
|
|
/// <summary>
|
|
/// Code type 0xC3 reads or writes a static register with a given register.
|
|
/// NOTE: Registers are saved and restored to a different set of registers than the ones used
|
|
/// for the other opcodes (Static Registers).
|
|
/// </summary>
|
|
class ReadOrWriteStaticRegister
|
|
{
|
|
private const int StaticRegisterIndex = 5;
|
|
private const int RegisterIndex = 7;
|
|
|
|
private const byte FirstWriteRegister = 0x80;
|
|
|
|
private const int StaticRegisterSize = 2;
|
|
|
|
public static void Emit(byte[] instruction, CompilationContext context)
|
|
{
|
|
// C3000XXx
|
|
// XX: Static register index, 0x00 to 0x7F for reading or 0x80 to 0xFF for writing.
|
|
// x: Register index.
|
|
|
|
ulong staticRegisterIndex = InstructionHelper.GetImmediate(instruction, StaticRegisterIndex, StaticRegisterSize);
|
|
Register register = context.GetRegister(instruction[RegisterIndex]);
|
|
|
|
IOperand sourceRegister;
|
|
IOperand destinationRegister;
|
|
|
|
if (staticRegisterIndex < FirstWriteRegister)
|
|
{
|
|
// Read from static register.
|
|
sourceRegister = context.GetStaticRegister((byte)staticRegisterIndex);
|
|
destinationRegister = register;
|
|
}
|
|
else
|
|
{
|
|
// Write to static register.
|
|
sourceRegister = register;
|
|
destinationRegister = context.GetStaticRegister((byte)(staticRegisterIndex - FirstWriteRegister));
|
|
}
|
|
|
|
context.CurrentOperations.Add(new OpMov<ulong>(destinationRegister, sourceRegister));
|
|
}
|
|
}
|
|
}
|