tlc0832b.asm

单片机混合编程 嵌入式/单片机编程单片机混合编程 嵌入式/单片机编程

; 这是被CALL0832.C调用的TLC0832汇编程序，文件名为TLC0832B.ASM
DIDO               BIT  P1.0
CLK                BIT  P1.1                          
CS                 BIT  P1.2                 
   NAME TLC0832B
   ?PR?_a_func?TLC0832B     SEGMENT CODE
   ?DT?_a_func?TLC0832B     SEGMENT DATA OVERLAYABLE
   ?DT?TLC0832B             SEGMENT DATA
   PUBLIC   chai
   PUBLIC   ?_a_func?BYTE
   PUBLIC    _a_func
   RSEG  ?DT?_a_func?TLC0832B
	 ?_a_func?BYTE:
	 aa:DS 1
   RSEG  ?DT?TLC0832B
	 chai:DS 1
   RSEG  ?PR?_a_func?TLC0832B
	 _a_func:
          	 MOV aa,R7
                 PUSH PSW
	         PUSH ACC
	         MOV A,aa
                 LCALL TLC0
                 MOV R7,A
                 POP ACC
	         POP PSW
           	 RET
TLC0:            CLR CS
                 MOV R0,#03H
WR10:            CLR CLK
                 RRC A
                 MOV DIDO,C
                 SETB CLK
                 DJNZ R0,WR10
                 CLR CLK
                 NOP
                 NOP
                 SETB CLK
                 MOV R0,#08H
REP:             CLR CLK
                 MOV C,DIDO
                 RLC A
                 SETB CLK
                 DJNZ R0,REP
                 SETB CS
                 RET
 	    	 END