The VTxx is an early series of system-on-a-chips created by V.R. Technology. There are only three known VTxx parts: VT02, VT03, and VT09, all of which are based on Famicom core, albeit with improved hardware specifications.
- VT02 - Almost identical to the NES/Famicom except for its improved processor and better sound capability.
- VT03 - Built on the NES core but with 16-bit graphics.
- VT09 - Almost the same as VT03; this chip is exclusively used by JungleTac.
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