The root cause is as I wrote. There is a register or register.bit with the same name as start.
On the 18f25k22 the SSPSTAT.3 register.bit is called sspstat_s. This means sspstat start... Microchip do not have a naming convention so the same register.bit on different chips may or may not have the same name.
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The root cause is as I wrote. There is a register or register.bit with the same name as start.
On the 18f25k20 the SSPSTAT.3 register.bit is called s. This means sspstat start... Microchip do not have a naming convention so the same register.bit on different chips may or may not have the same name.
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And, look Stan. Three chips with the same register.bit logical address of sspstat.3 have three different names.
A mess but we typically mask all this from the user by aliasing in the libraries but as Gert found out... names do clash.
I do recommend using a prefix to ensure user code does not clash. Using an underscore as the prefix would resolve. So, using _Start to ensure uniqueness.
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I wouldn't have used start......goto start anyway.
do....loop is the more modern way.
The original post used 98.07 rc35 and gave an error but when I used same code
on 98.07 rc35 I got no error.
Out of interest , why?
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When trying to compile this program for 18f25k20 it gives the following error:
Error: GCASM: Duplicate, conflicting definition for START
I compiled / used it for numerous different pic's and it works. (use it to see if hardware serial is working)
Tried it with 98.06 and 98.07 rc35
Thank you.
More info: If I comment out the "START:" label it compiles
START,SSPSTAT,3
Start is register bit as part of the SSPSTATT register.
Use PICINFO to see the info.
Sp, you cannot use any register or register bits, or, any of the reserved words - see https://github.com/Anobium/Great-Cow-BASIC-Help/blob/master/source/ReservedWords/reservedwords.txt
Last edit: Anobium 2020-12-29
I changed the pic to 18f25k22 and asm ok
The root cause is as I wrote. There is a register or register.bit with the same name as
start.On the 18f25k22 the SSPSTAT.3 register.bit is called
sspstat_s. This means sspstat start... Microchip do not have a naming convention so the same register.bit on different chips may or may not have the same name.I tried original 18f25k20 ,8 and that compiled ok...only much faster -- 1.3s
Last edit: stan cartwright 2020-12-29
The root cause is as I wrote. There is a register or register.bit with the same name as
start.On the 18f25k20 the SSPSTAT.3 register.bit is called
s. This means sspstat start... Microchip do not have a naming convention so the same register.bit on different chips may or may not have the same name.And, look Stan. Three chips with the same register.bit logical address of sspstat.3 have three different names.
A mess but we typically mask all this from the user by aliasing in the libraries but as Gert found out... names do clash.
I do recommend using a prefix to ensure user code does not clash. Using an underscore as the prefix would resolve. So, using
_Startto ensure uniqueness.I wouldn't have used start......goto start anyway.
do....loop is the more modern way.
The original post used 98.07 rc35 and gave an error but when I used same code
on 98.07 rc35 I got no error.
Out of interest , why?
It did error. Check again please with that specific chip.
I only asmd it. The error shows when you make hex. Sorry.