public virtual void make(CpuState cpu)
{
pc = cpu.pc;
for (int i = 0; i < NUMBER_REGISTERS; i++)
{
gpr[i] = cpu.getRegister(i);
}
threadID = Modules.ThreadManForUserModule.CurrentThreadID;
threadName = Modules.ThreadManForUserModule.getThreadName(threadID);
Memory mem = MemoryViewer.Memory;
if (MemoryViewer.isAddressGood(cpu.pc))
{
opcode = mem.read32(cpu.pc);
Common.Instruction insn = Decoder.instruction(opcode);
asm = insn.disasm(cpu.pc, opcode);
}
else
{
opcode = 0;
asm = "?";
}
dirty = true;
}
public static bool isEndBlockInsn(int pc, int opcode, Common.Instruction insn)
{
if (insn.hasFlags(Common.Instruction.FLAG_ENDS_BLOCK))
{
if (insn.hasFlags(Common.Instruction.FLAG_IS_CONDITIONAL | Common.Instruction.FLAG_IS_BRANCHING))
{
// Detect the conditional
// "BEQ $xx, $xx, target"
// which is equivalent to the unconditional
// "B target"
if (insn == Instructions.BEQ)
{
int rt = (opcode >> 16) & 0x1F;
int rs = (opcode >> 21) & 0x1F;
if (rs == rt)
{
return(true);
}
}
else
{
Console.WriteLine(string.Format("Unknown conditional instruction ending a block: {0}", insn.disasm(pc, opcode)));
}
}
else
{
return(true);
}
}
return(false);
}