Commit some Fix from Francis on sdo.c and abjacces.c. Fix endianisation problems while accessing OD. Also fix SDO abord handling bug.
/*
Define the i/o port global symbol
*/
.globl _io_ports
_io_ports=0x0000
/*
0x0000 is the default mapping at reset. (it is 0x1000 for 68hc11)
*/