二进制转换十进制子程序.asm

来自「8个汇编程序」· 汇编 代码 · 共 45 行

HDPTR1     EQU          20H
LDPTR1     EQU          21H
HDPTR2     EQU          22H
LDPTR2     EQU          23H
SAMP1      EQU          0130H
SAMP2      EQU          0131H 
BCD1       EQU          0132H 
BCD2       EQU          0133H
BCD3       EQU          0134H
BCD4       EQU          0135H
BCD5       EQU          0136H         
           ORG 0000H
           LJMP 0100H
           ORG 0100H
HB2:       MOV R6,#1FH
           MOV R7,#0FFH
           CLR A
           MOV R3,A
           MOV R4,A
           MOV R5,A
           MOV R2,#10H
HB3:       MOV A,R7
           RLC A
           MOV R7,A
           MOV A,R6
           RLC A
           MOV R6,A
           MOV A,R5
           ADDC A,R5
           DA A
           MOV R5,A
           MOV A,R4
           ADDC A,R4
           DA A
           MOV R4,A
           MOV A,R3
           ADDC A,R3
           MOV R3,A
           DJNZ R2,HB3
           
	       SJMP $
	       END