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very good. you would have to wonder why the 12f1840 did not work



the code works up t0 64mhz and can write the 4 digits in less than 50uS

.

WORKS just fine for me, even at 3v




pic18 version [can't believe how many changes it needed]

this works for me ,its for a 12f1822 and should run on a 12f1840 as is

if you post your code I will look at it,



'****************************************************************
'* Name...

MY code is for a pic16 with enhanced core it needs some changes to operate on older chips and/or pic18

moviw fsrx ++ can be replaced with
MOVF INDFx,W
INCF FSRx

brw becomes
addwf PCL, F ...

its all about rmw errors , 12f683 has no lat regs

https://www.microchip.com/webinars.microchip.com/WebinarDetails.aspx?dDocName=en556253

the corrected version of your code I posted works for me


the code I posted here works
http://www.picbasic.co.uk/forum/showthread.php?t=23417


sheldons code posted here works
...

Mike is correct
try this , it works on a 12f1822
note leds 2,3 and 4 show random crap since nothing is written to them
and not using lat regs is asking for trouble

nearly forgot dispnum = 146...