Envelope of AY-3-8910. More...

#include <ay8910.h>

Data Fields
uint16_t	period
	Period (in ticks) of the envelope.

uint8_t	shape
	Shape of the envelope (jigsaw, etc.)

uint8_t	attack
	0x0 if in attack, 0xF if in the release

uint8_t	alternate
	True if attack and release alternate (jigsaw)

uint8_t	hold
	True if the envelope holds after attack.

uint16_t	count
	Current tick count for the period.

int16_t	step
	Current step of the envelope.

uint8_t	vol
	Current output volume.

uint8_t	holding
	True if the envelope is currently holding.

Detailed Description

Envelope of AY-3-8910.

Field Documentation

uint16_t AYEnvelope::period

Period (in ticks) of the envelope.

uint8_t AYEnvelope::shape

Shape of the envelope (jigsaw, etc.)

uint8_t AYEnvelope::attack

0x0 if in attack, 0xF if in the release

uint8_t AYEnvelope::alternate

True if attack and release alternate (jigsaw)

uint8_t AYEnvelope::hold

True if the envelope holds after attack.

uint16_t AYEnvelope::count

Current tick count for the period.

int16_t AYEnvelope::step

Current step of the envelope.

uint8_t AYEnvelope::vol

Current output volume.

uint8_t AYEnvelope::holding

True if the envelope is currently holding.

The documentation for this struct was generated from the following file: