V9958. Which also added some high color modes. Looked very impressive back then. But technically a V9958 is best regarded as a V9938 with some cosmetic tweaks.

V9958. Which also added some high color modes. Looked very impressive back then. But technically a V9958 is best regarded as a V9938 with some cosmetic tweaks. > and supported a light pen and mouse. Mice are supported through the joystick ports which are standard across MSX models (so eg. MSX1 + mouse = just plug in & write software to use it). V9938's light pen support was used in a few rare MSX2 machines. And yes V9958 removed this function.