DBCMHEX:
CLR		A						
MOV	20H,A					
MOV	21H,A
MOV	22H,A
MOV	23H,A
LOOP0:
CLR		C
MOV	A,@R0
RRC	A
PUSH	PSW						
JNB		ACC3,LOOP1				
CLR		C
SUBB	A,#03H
LOOP1:
JNB		ACC7,LOOP2
CLR		C
SUBB	A,#30H
LOOP2:
MOV	@R0,A
DEC		R0
POP		PSW
DJNZ	R6,LOOP0
CLR		A
LOOP3:
MOV	A,@R1
RRC		A
MOV	@R1,A
DEC		R1						
DJNZ	R5,LOOP3