LGP-30 Memory Drum Update
Jon Elson
elson at pico-systems.com
Wed Jan 4 12:01:52 CST 2017
On 01/04/2017 06:05 AM, Christian Corti wrote:
>
> The LGP-30 is similar, but the timing and long tracks
> (i.e. main memory) are not recirculating. Hence the reason
> why a word is limited to 31 bits, although the sector
> holds 32 bits. The last bit must be zero to reset the read
> circuitry for the next sector.
>
So, there is no inter-word gap to accommodate the write head
switching? I guess if everything is hard-synched to the
clock track, then you can get away without that. Interesting!
Jon
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