51单片机产生正弦波
作者：白桦
ORG 00H
LJMP MAIN
ORG 0100H
MAIN:
MOV DPTR,#sinTab
LOOP:
CLR A
MOVC A,@A+DPTR
CJNE A,#129,LOOP1
AJMP MAIN
LOOP1:
MOV P3,A
INC DPTR
AJMP LOOP
sinTab:DB 128,132,137,141,146,150,154,159,163,167
DB 171,176,180,184,188,191,195,199,203,206
DB 210,213,216,219,222,225,228,231,233,236
DB 238,240,242,244,246,247,249,250,251,252
DB 253,254,254,255,255,255,255,255,254,254
DB 253,252,251,250,249,247,246,244,242,240
DB 238,236,233,231,228,225,222,219,216,213
DB 210,206,203,198,195,192,188,184,180,176
DB 172,167,163,159,155,150,146,141,137,133
DB 128,124,119,115,111,106,102,97,93,89,85
DB 81,77,73,69,65,61,57,54,50,47,43,40,37
DB 34,31,28,25,23,20,18,16,14,12,10,9,7
DB 6,5,4,3,2,2,1,1,1,1,1,2,2,3,4,5,6
DB 7,9,10,12,14,16,18,20,23,25,28,30,33,36
DB 40,43,46,50,53,57,60,64,68,72,76,80,84
DB 88,93,97,101,106,110,114,119,123,128,129
