For the CBM platforms, make revers() machine dependent and use the RVS flag

of the different machines instead of a separate one.
For the C128, make the textcolor() function work in 40 and 80 column mode.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1787 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm/Makefile

@@ -56,7 +56,6 @@ S_OBJS =	c_acptr.o	\
                 oserrlist.o     \
 		oserror.o	\
                 read.o          \
-		revers.o	\
                 rwcommon.o      \
                 scratch.o       \
                 sysremove.o     \