HEXTOASC2: MOV R0,SP DEC R0 DEC R0 PUSH A MOV A,@R0 ANL A,#0FH ADD A,#DH MOVC A,@A+PC XCH A,@R0 SWAP A ANL A,#0FH ADD #7 MOVC A,@A+PC INC R0 XCH A,@R0 INC R0 XCH A,@R0 INC R0 XCH A,@R0 POP A RET