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Classic Green
Original
Aged/Worn
🎵
APU: Accurate
Implemented Obscure Behaviors:
Period 0 → 8 (envelope/sweep)
First duty step after power-on
Wave channel first sample quirk
Frequency timer low bits preserved
Extra length clocking on NRx4 write
Trigger length max-1 quirk
Envelope trigger timing +1
Noise shift 14/15 → no clocks
Sweep negate mode protection
DMG wave RAM corruption on retrigger
Zombie mode volume manipulation
DAC high-pass filter capacitor
DOT MATRIX WITH STEREO SOUND
🍓
BERRY BOY
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or click to upload
▼
Nintendo
GAME BOY
™
▲
▶
▼
◀
B
A
SELECT
START
⌨️ Controls
🔊 APU Debug
Keyboard Controls
←↑→↓
D-Pad
Z
B Button
X
A Button
Enter
Start
Shift
Select
Space
Pause/Resume
APU Debug
✕
CH1 - Pulse+Sweep
OFF
CH2 - Pulse
OFF
CH3 - Wave
OFF
CH4 - Noise
OFF
Frame Seq Step:
0
High-Pass Cap:
0.000
Wave RAM OK
Zombie Mode Log
No events yet
No ROM loaded
Stopped
0 FPS
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