Same for me, I had a HP45 back in the 70's which got me on this nostalgic t= rip. cheers Tony On Sun, Jul 17, 2016 at 1:06 PM, Neil wrote: > No prob -- don't really need it for anything. FWIW, I had one as a kid > and recently found a book of HP41C math programs while going through > some old stuff. > > Cheers, > -Neil. > > > On 7/16/2016 10:25 PM, Anthony Nixon wrote: >> Hi Neil, >> >> I think there are quite a few emulators around for the 41 series, so >> might not be worth the effort to get another one going. >> >> I'll have a look into it further though. >> >> cheers >> >> Tony >> >> On Sun, Jul 17, 2016 at 10:45 AM, Neil wrote: >>> No 41C / 41CV ? >>> >>> >>> >>> On 7/4/2016 9:36 PM, Anthony Nixon wrote: >>>> Hi all, >>>> >>>> If anyone is interested the emulator for HP calculators has been upgra= ded. >>>> >>>> It now does models for HP35, 45, 55, 65, 67, 70, 80, 21, 22, 25, 27 an= d 29C. >>>> >>>> The emulation of the HP67 was quite complex because its card reader is >>>> controlled by the calculators own microcode. It also has more memory >>>> and the PIC was changed to a 16F1519 to cope. >>>> >>>> The circuit board as presented previously still works, however the 29C >>>> was one of the first with CMOS chips. HP took advantage of the low >>>> power requirements, as the power switch didn't actually turn the >>>> calculator off and the calculator could "remember" the stored program >>>> and the state it was in. The display was turned off, but the code >>>> still executed in a different loop. A new PCB will be available soon >>>> to enable this feature. >>>> >>>> The free downloads are at www.teenix.org >>>> >>>> cheers >>>> >>>> Tony >>> -- >>> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >>> View/change your membership options at >>> http://mailman.mit.edu/mailman/listinfo/piclist > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .