多字节ＢＣＤ码加法 入口条件：字节数在R7中，被加数在[R0]中，加数在[R1]中。 出口信息：和在[R0]中，最高位进位在CY中。 影响资源：PSW、A、R2 堆栈需求： ２字节 BCDA: MOV A,R7 ；取字节数至R2中 MOV R2,A ADD A,R0 ；初始化数据指针 MOV R0,A MOV A,R2 ADD A,R1 MOV R1,A CLR C BCD1: DEC R0 ；调整数据指针 DEC R1 MOV A,@R0 ADDC A,@R1 ；按字节相加 DA A ；十进制调整 MOV @R0,A ；和存回[R0]中 DJNZ R2,BCD1 ；处理完所有字节 RET 　

S51E(AVR).Sch

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．