[GreenKeys] Model 28 ticker notes

[John Spigel]

Just a silly thought... How is tape fed? Friction rollers? If the tape 
would feed in opposite direction your characters would be in the correct 
order. Yes? Can you post some closeup pics?

On 22-May-25 11:02, Peter Gottlieb wrote:
> John W1AN sent me this link:
> https://forum.arduino.cc/t/ascii-to-6-bit-lookup-table/387455
> 
> I had not seen that and simultaneously realized the character positions 
> in the type block are not in any standard order.
> 
> Before I realized that I rearranged the standard model 28 type block 
> into an ordered one for the ticker which has letters in two rows and 
> figures in the other two rows.  Since I have to print upside down due to 
> the differences in the chirality of the fonts between standard and 
> ticker, I also have the interesting problem of printing in backwards 
> order.  So if I want to print ABCD I have to send DCBA to the printer 
> and also send the value (also in reverse order) before that.  With a 
> microprocessor sending data this is not a big deal.
> 
> I sent a string of increasing codes (0 through 63) to the printer and 
> have remaining problems (see attached):
> 1)  The print spacing is very uneven
> 2)  Repeating characters, such as the 1
> 
> Next step will be to try and send characters to match mechanical 
> movement...
> 
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