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HP-19C Print
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08-15-2023, 06:23 AM
(This post was last modified: 08-15-2023 06:24 AM by teenix.)
Post: #3
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RE: HP-19C Print
Thanks for the confirmation, Joe :-)
Looking into it a bit more, RAM register $2E nibbles 4 and 3 are not always updated by the [keys -> a] instruction for the printer setting, and these nibbles control the printing. 43 10 = Manual 01 = TRC 00 = NORM The only times it gets updated in Microcode is during a function key press like [+], [ENTER], [f][SIN] etc., not SST or BST etc. The [Keys -> A] instruction is used on the 19C (of which there is only one instance), because the printer switch NORM and MAN connections appear at the ACT where the keyboard would have been in other non-printing models. cheers Tony |
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HP-19C Print - teenix - 08-15-2023, 01:42 AM
RE: HP-19C Print - Joe Horn - 08-15-2023, 05:00 AM
RE: HP-19C Print - teenix - 08-15-2023 06:23 AM
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