versions of rs232.s.
New include file common/rs232.inc, use the constants from this file instead
of defining them separately in each platform specific rs232 module.
git-svn-id: svn://svn.cc65.org/cc65/trunk@1208 b7a2c559-68d2-44c3-8de9-860c34a00d81
and NMI to make sure the NMI handler is loaded into the low 16K of memory
which are active when the control is passed from the ROM NMI stub to the
user handler.
git-svn-id: svn://svn.cc65.org/cc65/trunk@1086 b7a2c559-68d2-44c3-8de9-860c34a00d81
