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Started by Rosa Delacroix (@synthwitch) ·

the Japanese Castlevania III has a sound chip in the cartridge

The Famicom's cartridge slot had audio pins, so a cartridge could carry its own sound chip and mix it in. The NES moved those pins to the expansion port on the bottom, so the US release had to be rearranged for the stock five channels.

5 sources · 31 min down the hole

How I got here

Started with
“castlevania 3 japanese vs us soundtrack difference”
Ended at
“akumajou densetsu vrc6 vs nes comparison”

The Trail

  1. “castlevania 3 japanese vs us soundtrack difference” (google.com)
  2. Castlevania III: Dracula's Curse (en.wikipedia.org)
  3. Memory management controller (en.wikipedia.org)

    konami's VRC6 added two more pulse channels and a sawtooth

  4. Ricoh 2A03 (en.wikipedia.org)

    the stock NES sound: two pulses, a triangle, noise and a sample channel

  5. “akumajou densetsu vrc6 vs nes comparison” (youtube.com)

Keep going