diff --git a/teensy/luamatrix.cpp b/teensy/luamatrix.cpp
index d157842..947a08b 100644
--- a/teensy/luamatrix.cpp
+++ b/teensy/luamatrix.cpp
@@ -148,6 +148,7 @@ static int matrixpanel_fillrect (lua_State *L) {
 static int matrixpanel_invertdisplay (lua_State *L) {
   bool flag = lua_isboolean(L, 1) ? lua_toboolean(L, 1) : false;
   matrixpanel.invertDisplay(flag);
+  return 0;
 }
 
 //    drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
@@ -262,31 +263,66 @@ static int matrixpanel_drawchar (lua_State *L) {
 
 //    setCursor(int16_t x, int16_t y),
 static int matrixpanel_setcursor (lua_State *L) {
+  int x = luaL_checkint(L, 1);
+  int y = luaL_checkint(L, 2);
+  matrixpanel.setCursor(x, y);
+  return 0;
 }
 
 //    setTextColor(uint16_t c),
 //    setTextColor(uint16_t c, uint16_t bg),
 static int matrixpanel_settextcolor (lua_State *L) {
+  int color = luaL_checkint(L, 1);
+//  int y = luaL_checkint(L, 2);
+  matrixpanel.setTextColor(color);
+  return 0;
 }
 
 //    setTextSize(uint8_t s),
 static int matrixpanel_settextsize (lua_State *L) {
+  int size = luaL_checkint(L, 1);
+  matrixpanel.setTextSize(size);
+  return 0;
 }
 
 //    setTextWrap(boolean w),
 static int matrixpanel_settextwrap (lua_State *L) {
+  bool flag = lua_isboolean(L, 1) ? lua_toboolean(L, 1) : false;
+  matrixpanel.setTextWrap(flag);
+  return 0;
 }
 
 //    setRotation(uint8_t r),
 static int matrixpanel_setrotation (lua_State *L) {
+  int rot = luaL_checkint(L, 1);
+  matrixpanel.setRotation(rot);
+  return 0;
 }
 
 //    setFont(const GFXfont *f = NULL),
 static int matrixpanel_setfont (lua_State *L) {
+  const char *font = luaL_checkstring(L, 1);
+  // Need to do some kind of lookup based on the string.
+  matrixpanel.setFont(&TomThumb);
+  return 0;
 }
 
 //    getTextBounds(char *string, int16_t x, int16_t y, int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h),
 static int matrixpanel_gettextbounds (lua_State *L) {
+  char *string = (char *) luaL_checkstring(L, 1); // cast off the const, pointer won't actually be changed
+  int x = luaL_checkint(L, 2);
+  int y = luaL_checkint(L, 2);
+  int16_t x1 = 0, y1 = 0;
+  uint16_t w = 0, h = 0;
+  
+  matrixpanel.getTextBounds(string, x, y, &x1, &y1, &w, &h);
+  
+  lua_pushnumber(L, x1);
+  lua_pushnumber(L, y1);
+  lua_pushnumber(L, w);
+  lua_pushnumber(L, h);
+
+  return 4;
 }
 
 static const struct luaL_Reg matrixpanel_methods[] = {