etc/furnace
0
0
Fork 0
mirror of https://github.com/tildearrow/furnace.git synced 2024-11-24 13:35:11 +00:00
Code Issues Projects Releases Packages Wiki Activity
furnace/papers/doc/7-systems/sms.md
tildearrow ed5279f96c update documentation
2022-01-16 01:10:43 -05:00

503 B
Raw Blame History

Sega Master System

the predecessor to Genesis.

surely had better graphics than NES, but its sound is subject of several jokes.

this console is powered by a derivative of the Texas Instruments SN76489.

effects

  • 20xy: set noise mode.
    • x controls whether to inherit frequency from hannel 3.
      • 0: use one of 3 preset frequencies (C: A-2; C#: A-3; D: A-4).
      • 1: use frequency of channel 3.
    • y controls whether to select noise or thin pulse.
      • 0: thin pulse.
      • 1: noise.