HP 41 behavior
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03-18-2023, 01:13 PM
Post: #1
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HP 41 behavior
I am very new to 41-series. Have been playing with programming a lot, but today I just did a simple loop that shows an increasing number, and don’t understand the behavior:
Code:
This shows X 1 though 8 or so quickly, then slows down to a crawl - about 2 seconds between showing the next number. Same behavior if I just switch the Alpha section to a simple VIEW X. If I don’t show the number, it is of course very fast (well, relatively speaking ) Could someone educate me on why that is happening? |
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03-18-2023, 03:03 PM
Post: #2
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RE: HP 41 behavior
Hi,
Do you use a normal HP41, or something else? Like DM41X or simulator? Or do you have something connected to the 41, like HPIL or printer? I just tried on my HP41CX and I don't see the behavior you describe. Executing "TEST" shows (as expected when the calculator is in FIX 4 mode): Code: X=0,0200 (½sec pause) If a printer is attached (or IR module), this might explain the behavior, since after the printer-buffer is full the execution slows down to be able to print, but there is room for ~8 lines. I don't have a printer for my 41 to test with, but I have seen similar delays when printing a program on the DM41X (using the normal printer ROM and IR). The first ~8 lines goes very quickly, but after that is slows down quite noticable. Cheers, Thomas [35/45/55/65/67/97/80 21/25/29C 31E/32E/33E|C/34C/38E 41C|CV|CX 71B 10C/11C/12C/15C|CE/16C 32S|SII/42S 28C|S 48GX/49G/50G 35S 41X] |
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03-18-2023, 03:54 PM
Post: #3
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RE: HP 41 behavior
(03-18-2023 03:03 PM)ThomasF Wrote: Hi, Ah, mistery solved, thank you I am using DM41X right now as I'm on vacation and didn't want to bring a real 41. Didn't even think about it being and issue with the print buffer! Disabled thermal printer module and all is behaving as expected! |
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