RTEMS 4.5.1-pre3 On-Line Library

CPU Model Dependent Features Extend Byte to Long Instruction

RTEMS Motorola MC68xxx Applications Supplement

1.8: Extend Byte to Long Instruction

The macro M68K_HAS_EXTB_L is set to 1 to indicate that this CPU model has the extb.l instruction. This instruction is supposed to be available in all models based on the cpu32 core as well as mc68020 and up models.

RTEMS Motorola MC68xxx Applications Supplement