;片內RAM初始化子程序

IBCLR??? :MOV??? A,R0
????????? MOV??? R1,A
????????? CLR??? A
IBC1???? :MOV??? @R1,A
????????? INC??? R1
????????? DJNZ?? R7,IBC1
????????? RET

;片外RAM初始化子程序

EBCLR1?? :MOV??? A,ADDPL
????????? MOV??? DPL,A
????????? MOV??? A,ADDPH
????????? MOV??? DPH,A
????????? CLR??? C
EBC11??? :MOVX?? @DPTR,A
????????? INC??? DPTR
????????? DJNZ?? R7,EBC11
????????? RET

;片外RAM初始化子程序(雙字節(jié)個單元)

EBCLR2?? :MOV??? A,ADDPL
????????? MOV??? DPL,A
????????? MOV??? A,ADDPH
????????? MOV??? DPH,A
????????? MOV??? A,R7
????????? JZ???? EBC21
????????? INC??? R6
EBC21??? :CLR??? A
????????? MOVX?? @DPTR,A
????????? INC??? DPTR
????????? DJNZ?? R7,EBC21
????????? DJNZ?? R6,EBC21
????????? RET

;內部RAM數(shù)據(jù)復制程序
;入口??? :R0,R7
;占用資源:A
;堆棧需求:2字節(jié)
;出口??? :R1

IBMOV??? :MOV??? A,R0
????????? ADD??? A,R7
????????? MOV??? R0,A
????????? MOV??? A,R1
????????? ADD??? A,R7
????????? MOV??? R1,A
IBM1???? :DEC??? R0
????????? DEC??? R1
????????? MOV??? A,@R0
????????? MOV??? @R1,A
????????? DJNZ?? R7,IBM1
????????? RET

;外部RAM數(shù)據(jù)復制程序
;入口??? :ADDPH,ADDPL,R7
;占用資源:ACC
;堆棧需求:2字節(jié)
;出口??? :R0,R1

EBMOV1?? :MOV??? A,ADDPL
????????? ADD??? A,R7
????????? MOV??? DPL,A
????????? CLR??? A
????????? ADDC?? A,ADDPH
????????? MOV??? DPH,A
????????? MOV??? A,R7
????????? ADD??? A,R1
????????? XCH??? A,R0
????????? ADDC?? A,#00H
????????? MOV??? P2,A
EBM11??? :DEC??? R0
????????? CJNE?? R0,#0FFH,EBM12
????????? DEC??? P2
EBM12??? :DEC??? DPL
????????? MOV??? A,DPL
????????? CJNE?? A,#0FFH,EBM13
????????? DEC??? DPH
EBM13??? :MOVX?? A,@R0
????????? MOVX?? @DPTR,A
????????? DJNZ?? R7,EBM11
????????? RET

;外部RAM數(shù)據(jù)復制程序