Calculator Articles

Home > Collecting Calculators

The TSI Speech+
State Machine

Speech+_1_t

This is the TSI Speech+ State Machine, as kindly provided by Ed Bernard with the caveat that it is from memory and may not be accurate.

 

Definitions of inputs, outputs, busses and registers

 

State Description

 

ROM/S14001A phasing

 

© Ed Bernard    2015.

Vintage Calculators

© Text & photographs copyright Nigel Tout   2000-2017  except where noted otherwise.