On 7/3/2011 1:36 PM, David Bley wrote:
> We have inherited a project running on a PIC16F505 at 4MHz.  The bulk of =
the software is written in Hitech C with some inline assembler.  The origin=
al code works (we have the original source and the original .hex and .cof f=
iles.  We are unable to compile it with the latest version of Hitech C (no =
optimization, free version) caused by passing a variable from a C routine t=
hat calculates a number for a delay that is passed to an inline assembler r=
outine that performs the delay (approx 40 - 75us).  If I comment out the in=
line assembly routine and replace it with a fixed delay routine using the b=
uilt in delay_us function, it compiles OK.  Any suggestions?  Sorry that I =
am being so sketchy, but this is a proprietary product.
Did you check the release notes for the latest version of Hitech vs the=20
version originally compiled with?  Do you know what version that was,=20
and have access to a copy?  Can the new, free version not pass variables=20
to an assy routine?  What if you insert assembler into the C which=20
sticks the var where the assy expects it and perform the call without=20
the parameter?

--=20
Joe Wronski
Stillwater Embedded Engineering
www.stillwatereng.net

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.