ZCPU VM now self-aware like GPU and SPU VMs are

lua/entities/gmod_wire_cpu.lua

@@ -28,6 +28,7 @@
 	-- Create virtual machine
 	self.VM = CPULib.VirtualMachine()
 	self.VM.SerialNo = CPULib.GenerateSN("CPU")
+	self.VM.Entity = self
 	-- Since the device supports (quota)interruptible instructions
 	-- Memory access can be a lot cheaper.
 	self.VM.MemoryReadCycles = 2
@@ -69,7 +70,7 @@
 					if result then return true
 					else VM:Interrupt(10,-Address-1) return false
 					end
 				else VM:Interrupt(8,Address+1) return false
 				end
 			else return true
 			end
@@ -96,7 +97,7 @@
 					if isnumber(result) then return result
 					else VM:Interrupt(10,-Address-1) return
 					end
 				else VM:Interrupt(8,Address+1) return
 				end
 			else return 0
 			end
@@ -159,14 +160,14 @@
 
 	-- Calculate time-related variables
 	local CurrentTime = CurTime()
 	local DeltaTime = math.min(1/30,CurrentTime - (self.PreviousTime or 0))
 	self.PreviousTime = CurrentTime
 
 	-- Check if need to run till specific instruction
 	if self.BreakpointInstructions then
 		self.VM.TimerDT = DeltaTime
 		self.VM.CPUIF = self
 		self.VM:Step(8,function(self)
 			-- self:Emit("VM.IP = "..(self.PrecompileIP or 0))
 			-- self:Emit("VM.XEIP = "..(self.PrecompileTrueXEIP or 0))
 
@@ -195,10 +196,10 @@
 		self.VM.CPUIF = nil
 	else
 		-- How many steps VM must make to keep up with execution
 		local Cycles = math.max(1,math.floor(self.Frequency*DeltaTime*0.5))
 		self.VM.TimerDT = (DeltaTime/Cycles)
 
 		while (Cycles > 0) and (self.Clk) and (not self.VMStopped) and (self.VM.Idle == 0) do
 			-- Run VM step
 			self.VM.QuotaSupported = true
 			local previousTMR = self.VM.TMR
@@ -242,7 +243,7 @@
 end
 
 function ENT:SetCPUName(name)
 	local overlayStr = ""
 	local a = math.floor(self.VM.SerialNo / 100000)
 	local b = math.floor(self.VM.SerialNo % 100000)
 	if name and (name ~= "") then
@@ -313,7 +314,7 @@
 		Wire_TriggerOutput(self, "Error", 0)
 	elseif iname == "Interrupt" then
 		if (value >= 32) and (value < 256) then
 			if (self.Clk and not self.VMStopped) then self.VM:ExternalInterrupt(math.floor(value)) end
 		end
 	end
 end