added basic d&d functionality

output/luaScripts/emugator/emugators_demo.lua

@@ -0,0 +1,41 @@
+	emu.print("Go Gators!")
+	local cart = {x1=50, y1=50, x2=100, y2=100}
+	local console = {x1=150, y1=50, x2=200, y2=100}
+	local isDrag = false
+	--local gd = require("gd")
+
+while(true) do
+	--need gd for this
+		--local gdstr = gd.createFromPng("C:\Users\Super\Emugators\fceux\output\luaScripts\emugator\nesRomGeneric.png"):gdStr()
+		--gui.gdoverlay(gdstr) 
+	
+	if(emu.emulating() == false) then
+		local inpt = input.read()
+
+		if (inpt.leftclick == nil) then
+			if ((inpt.xmouse > console.x1) and (inpt.xmouse < console.x2) and (inpt.ymouse > console.y1) and (inpt.ymouse < console.y2) and isDrag) then
+				emu.loadrom("superMario.nes")
+			end
+			isDrag = false
+		end
+
+		if isDrag then
+			gui.rect(inpt.xmouse, inpt.ymouse, inpt.xmouse+50, inpt.ymouse+50, "red", "white")
+			gui.text(inpt.xmouse + 12, inpt.ymouse+12, "Super\nMario\nBros.")
+		elseif ((inpt.xmouse > cart.x1) and (inpt.xmouse < cart.x2) and (inpt.ymouse > cart.y1) and (inpt.ymouse < cart.y2) and inpt.leftclick) then
+			isDrag = true
+		else
+			gui.rect(cart.x1, cart.y1, cart.x2, cart.y2, "gray", "white")
+			gui.text(cart.x1 + 12, cart.y1 + 12, "Super\nMario\nBros.")
+		end
+
+		gui.rect(console.x1, console.y1, console.x2, console.y2, "blue", "white")
+		gui.text(console.x1 + 9, console.y1 + 16, "Famicom\n/NES")
+
+		emugator.yieldwithflag() -- call this if you want the script to run without emulation (game running)
+	else
+		emu.frameadvance()
+	end
+
+	--emu.frameadvance()
+end