MicroPython Forum (Archive)

DiTBho

Doubtless it could. Do you fancy the job? ;) maybe. I have zero experience with it, yesterday I downloaded the CASIO SDK , sort of gcc-C toolchain prepared by CASIO for their SH3/4 calculators. The SDK is nothing special, an the IDE is not very powerful (I prefer Geany + DDD), ...

pythoncoder

Doubtless it could. Do you fancy the job?

DiTBho

The inline assembler is specific to the Arm Thumb instruction set, as used in STM chips (Pyboard 1.x and Pyboard D). Unless the Casio uses an STM chip it won't work. of course, but I wonder.. isn't there an inline assembly engine for SuperHitachi? My CASIO fx9860g3 has SH4 CPU. Can't ...

pythoncoder

The inline assembler is specific to the Arm Thumb instruction set, as used in STM chips (Pyboard 1.x and Pyboard D). Unless the Casio uses an STM chip it won't work.

DiTBho

has anyone already tried to figure out if the CASIO-uPython is able to inline assembly? ( see here )

something like

Code: Select all

@micropython.asm_??? SH???
def fun():
    movw(r0, 42)

print(fun())

fos

Another fan of HP calcs. My first was an HP-45 in the early 70s. It was operational until 1990. By then I had a 48SX and a GX. I still have and use them. These days I have a new version 35 and a 50G on my desk. Sometimes it is easier to pick up a calc then fiddle with the computer. I have the i41CX ...

jimmo

Roberthh wrote: ↑
Tue Oct 08, 2019 10:05 am
and there is the HP42 re-build called DM42 from swiss micros.

Runs on a STM32L4.... just sayin'

How interesting that so many MicroPython-people are also HP and RPN fans ;) Decades of HP48GX user here, which unfortunately, does not work anymore. I got an HP49G recently from a colleague.... However, I don't use it nearly as frequently as before, as my smartphone runs an HP48GX emulator and the P...

alidayvn

... old IEEE754 floats. - How does Micropython avoid these kinds of double precision issues? - Is there an operation where a BCD system (used by TI/casio calculators) would return a different answer from Micropython?

pythoncoder

+1 for HP and RPN. HP35s here. I started out with a (hugely expensive) HP35 c1973 and I seem to have come full circle

Although mostly if I'm on my PC I fire up MicroPython...

MicroPython Forum (Archive)

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How does Micropython avoid double precision issues?

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