Constants

The number of LEAD pulses for the data block.
The number of LEAD pulses for the header block.
Length of the lead pulse in T-states.
Length of the bit value 0 pulse in T-states.
Length of the pause between TAPE blocks in T-states.
Length of the 1st sync pulse in T-states.
Length of the 2nd sync pulse in T-states.
Length of the bit value 0 pulse in T-states.