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Additional Pictures 

 

Short pause between Digits D9 and D1 of Display and Keyboard Scanning Cycle of the µPD946 from a Royal RSC-40 manufactured in March 1976
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD946 Clock Frequency at 50 kHz.
Complete Display and Keyboard Scanning Cycle of the µPD946 from a Royal RSC-40 manufactured in March 1976 pressing the [2] key (SB#K0)
while displaying "2." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD946 Clock Frequency at 50 kHz.
Six complete Display and Keyboard Scanning Cycles of the µPD946 from a Royal RSC-40 manufactured in March 1976
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD946 Clock Frequency at 50 kHz.
Short sequential Keyboard Scanning Cycle between two Display Scanning blocks of the µPD946 from a Royal RSC-40 manufactured in March 1976
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. µPD946 Clock Frequency at 50 kHz.


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© Joerg Woerner, March 4, 2025. No reprints without written permission.