mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-21 16:00:23 +00:00
19 lines
516 B
Markdown
19 lines
516 B
Markdown
|
# Game Boy
|
||
|
|
|
||
|
|
the Nintendo Game Boy is one of the most successful portable game systems ever made.
|
||
|
|
|
||
|
|
with stereo sound, two pulse channels, a wave channel and a noise one it packed some serious punch.
|
||
|
|
|
||
|
|
# effects
|
||
|
|
|
||
|
|
- `10xx`: change wave.
|
||
|
|
- `11xx`: set noise length. `xx` may be one of:
|
||
|
|
- 0: long
|
||
|
|
- 1: short
|
||
|
|
- `12xx`: set duty cycle (from 0 to 3).
|
||
|
|
- `13xy`: setup sweep (pulse channels only).
|
||
|
|
- `x` is the time.
|
||
|
|
- `y` is the shift.
|
||
|
|
- set to 0 to disable it.
|
||
|
|
- `14xx`: set sweep direction. 0 is up and 1 is down.
|