MCS-51单片机应用子程序：9.3.1无条件转移

JMP1: MOV DPTR,#TBJ MOV A,R3 MOV B,#03H MUL AB ADD A,DPH MOV DPH,A MOV A,R2 MOV B,#03H MUL AB XCH A,B ADD A,DPH XCH A,B JMP @A+DPTR LJMP PRG0 LJMP PRG1 LJMP PRG2