* m68hc11-tdep.c (M68HC12_NUM_PSEUDO_REGS): New define.

	* m68hc11-tdep.c (M68HC12_NUM_PSEUDO_REGS): New define.
	(M68HC12_HARD_PC_REGNUM): Define specific PC for 68HC12 (pseudo reg).
	(m68hc11_pseudo_register_read): Compute the 68HC12 PC using the
	real PC and the page number (if it's within the memory bank window).
	(m68hc11_pseudo_register_write): Likewise when saving.
	(m68hc11_register_name): Name the virtual pc 'pc' and the real one ppc.
	(m68hc11_register_virtual_type): Return uint32 for virtual pc.
	(m68hc11_register_raw_size): And use 32-bit for it.
	(m68hc11_gdbarch_init): Use 32-bit address for 68HC12 if the
	16K memory bank is used by the prog; also use the virtual pc.