Variable / History

history · v1

Stores the previous sample’s value. It outputs the old state before committing Next.

Variable / History

Inputs

Outputs

Select a port to see its purpose and an example connection. Its reference row will highlight.

Ports and connections

The default configuration is shown below. Types and capacity can change in node properties; configure the node before connecting ports.

Port / ID	Type	Connection
Next`next`	number	Value to store after the current sample has been evaluated. Its type is selected in node properties.Manual value when disconnected
Write enable`write`	gate	Enables writing Next. Writing is on without a wire; an off Gate holds the stored value.On by default
Reset`reset`	gate	An on Gate resets memory to its initial value.Optional
Output`out`	number	The value stored from the previous sample. This delay breaks instantaneous feedback.OutputCapacity: 64

An output can feed multiple inputs of the same type. An input has one source; Function also requires matching signatures. All connection rules →

Parameters

Values describe manual settings. A connected stream replaces a parameter’s manual value; disconnecting restores it.

Parameter	Range	Default	Control
Initial`initial`	-1000000…1000000	0	StaticLinear scale
Next`next`	-1000000…1000000	0	Input or manualLinear scale

Node properties

These settings are configured before compilation and cannot be modulated by wires.

Value type: Audio, Number, Gate, Integer, Array, List · default Number
Choose the type before wiring. Function and Buffer are not available in this list.
Capacity: 1…4096 elements · default 64
Available for Array/List History. Memory is allocated before processing; a List cannot exceed this capacity.
Initial values: Default empty list
Open Edit initial values. Enter finite numbers, up to Capacity. Scalar History uses the numeric Initial parameter.

How to use it

History → Add / A; B = 0.01; Add → History / Next. This feedback path contains explicit memory.

Things to check

Write enable defaults to on; Reset takes priority. Choose the value type before wiring. History cannot store Function or Buffer.

Check required inputs and matching types. Run Compile before auditioning; a validation failure preserves the previous working module. Troubleshooting →