Re: [Flashforth-devel] status of Pic18FxxK42 FF-port?

[craig b. <dab...@ya...>]

Since I'm stuck in my work-life dealing with Cortex-M0+ chips from at least 4 chip makers, all the IDE-s are getting crossed in my head.  It's good to have an excuse to mix MPLabX into it just to play with relatively rational Microchip processors. (grin) 
...And you'll never get any arguement from me about anything that uses less memory AND fewer instruction cycles!  I wish the system designers thought that way. I've got a forth/pic-asm SPI-bit-bang kit I built that is probably going to need adapting, too.
I've got to get down to basics, run through the GIT starting tutorial and see if I can get Branch code, but I'll keep banging my head against it as much as I can get away with.

Keep smiling,
craig

--------------------------------------------
On Sat, 1/19/19, Mikael Nordman <mik...@fl...> wrote:

 Subject: Re: [Flashforth-devel] status of Pic18FxxK42 FF-port?
 To: "Jordan Niethe" <jni...@gm...>, dab...@ya...
 Date: Saturday, January 19, 2019, 1:52 AM
 
 Hi Jordan,
 I
 started to merge your K42 code to FF.
 
 I have no K42 chip so you and craig can maybe
 test it if you have time.
 
 I
 will be replacing most of the movffl instructions with movf,
 movwf 
 combinations. It uses less memory and
 clock cycles.
 
 BR Mikael
 
 On 2019-01-18 10:06, Jordan
 Niethe wrote:
 > Hi everyone,
 > Sorry I've been busy with other things
 these past months, so haven't
 > had
 time to work on the port lately.
 > There
 are a few problems that turned up while I was testing that
 I
 > have not been able to fix yet.
 > 
 > 1) There will
 occasionally be errors when sending files over UART
 > while the system tick (timer1) is
 enabled.
 > I had been getting around this
 by disabling the timer1 interrupt at
 >
 the beginning of a file, then enabling it again at the
 end.
 > $0001 $3994 mclr ( disable )
 > ....
 > $0001 $3994 mset
 ( enable )
 > I haven't been able to
 figure what exactly the problem is yet.
 >
 
 > 2) There were also problems with doing
 multiplication and division in
 >
 interrupts as in irqtest.txt which I have not figured
 out.
 > 
 > Apart from
 this I've have found it usable, but I could understand
 if
 > these are show stoppers.
 > Cheers,
 > Jordan.
 > 
 > On Thu, Jan 17, 2019
 at 10:54 PM craig bair via Flashforth-devel
 > <fla...@li...>
 wrote:
 >> 
 >>
 Thanks Mikael,
 >> I'll climb in
 there and see if my old brain can adapt to it (grin).
 >> 
 >> Keep up the
 good work.
 >> craig
 >> 
 >> 
 >>
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 -- 
 --
 Mikael