DECL KBD$STAT LIT '0C1H'; DECL KBD$DATA LIT '0C0H'; DECL KBD$RDY LIT '01H'; DECL SIO$STAT LIT '0E1H'; DECL SIO$DATA LIT '0E022¼MSG23ÍMSG24ò9ACTLACTUALAFTAFTINBUFFERCOMSTATwæCONSLINP‰Z DUMMY INDX  KEYBUIT '037H'; DECL CRTC LIT '10H';/*CRT OUTPUT DATA COMMAND*/ DECL CRTS LIT '11H';/*CRT DEVICE STATUS COMMAND*/ DECL KEYC LIT '12H';/*KEYBOARD INPUT DATA COMMAND*/ DECL KSTS LIT '13H';/*KEYBOARD DEVICE STATUS COMMAND*/ DECL OBF LIT '01H'; DECL IBF LIT '02H'; DECL FO LIT '04H'; DECL CPUC LIT '0FFH'; DECL DISABL LIT '0DH'; DECL ENABL LIT '05H'; DECL IOCC LIT '0C1H'; DECL IOCS LIT '0C1H'; DECL IOCO LIT '0C0H'; DECL IOCI LIT '0C0H';