1 4
2017
1
20
1.
8051RAM
00H~1FH
__________
2. MCS-515
3. -92
4. MCS
51PC
MCS
51PC
16
KB
5
SP = 30 H
ACC
= 40 H
B
= 50 H
PUSH B PUSH ACC
SP
6.
8051
12Mhz
08192us
1
7.R0=30H
30H
=40H
31H =50H
INC @R0 INC R0 INC @R0
R0
8. 8051
/
2510
1 ORG 0050H MOV 30H, #00H MOV 31H, #00H
MOV 32H, #00H MOV DPTR, #0200H MOV R1, #10 L4: MOV A, #00H
MOVC A, @A+DPTR
INC DPTR
CJNE A, # 80H, L1 INC 32H SJMP L2