?? text1.asm
字號:
;載入正弦波數據
START: SETB RS0 ;設定工作寄存器組1
CLR RS1
SETB P3.1
CLR P3.5
MOV R0,#00H ;表指針
LP1: MOV DPTR,#SIN
MOV A,R0
MOV R1,A ;存放外擴數據存儲器指針
MOVC A,@A+DPTR ;取出表數據
MOV DPTR,#0000H ;將數據存到外擴數據存儲器
LP2: CJNE R1,#00H,NEXT
JMP LP
NEXT: INC DPTR
DEC R1
JMP LP2
LP: MOVX @DPTR,A
INC R0
CJNE R0,#00H,LP1
;載入三角波數據
MOV R0,#00H ;表指針
LoP1: MOV DPTR,#TANGLE
MOV A,R0
MOV R1,A ;存放外擴數據存儲器指針
MOVC A,@A+DPTR ;取出表數據
MOV DPTR,#0100H ;將數據存到外擴數據存儲器
LoP2: CJNE R1,#00H,NEXT1
JMP LoP
NEXT1: INC DPTR
DEC R1
JMP LoP2
LoP: MOVX @DPTR,A
INC R0
CJNE R0,#00H,LoP1
;載入方波數據
MOV R0,#00H ;表指針
LooP1: MOV DPTR,#FANGBO
MOV A,R0
MOV R1,A ;存放外擴數據存儲器指針
MOVC A,@A+DPTR ;取出表數據
MOV DPTR,#0200H ;將數據存到外擴數據存儲器
LooP2: CJNE R1,#00H,NEXT2
JMP LooP
NEXT2: INC DPTR
DEC R1
JMP LooP2
LooP: MOVX @DPTR,A
INC R0
CJNE R0,#00H,LooP1
;載入鋸齒波數據
MOV R0,#00H ;表指針
LoooP1:MOV DPTR,#JUCHI
MOV A,R0
MOV R1,A ;存放外擴數據存儲器指針
MOVC A,@A+DPTR ;取出表數據
MOV DPTR,#0300H ;將數據存到外擴數據存儲器
LoooP2:CJNE R1,#00H,NEXT3
JMP LoooP
NEXT3: INC DPTR
DEC R1
JMP LoooP2
LoooP: MOVX @DPTR,A
INC R0
CJNE R0,#00H,LoooP1
CLR P3.1
CLR P2.0
SETB P2.1
CLR P2.2
CLR P2.3
CLR P2.4
SETB P3.5
CLR P3.7
CLR RS0
CLR RS1
;設定工作寄存器組0
MOV DPTR,#TABLE
MOV TMOD,#01H
L: MOV A,P1 ;P1口作為鍵盤輸入口
ANL A,#01111111B ;頻率變化范圍：100-10000hz，最高位保持為0，避免左移時出錯
MOV 30H,A ;保存按鍵值在30H單元中，以便查詢是否有下一次按鍵
RL A
MOV R1,A ;保存一個字的高位偏移值（低地址）
MOVC A,@A+DPTR
MOV TH0,A
MOV A,R1
INC A
MOV R2,A ;保存一個字的低位偏移值（高地址）
MOVC A,@A+DPTR
MOV TL0,A
SETB TR0
L1: JBC TF0,NT
SJMP L1
NT:
MOV C,P2.5
MOV P2.0,C
MOV C,P2.6
MOV P2.1,C
MOV A,R2
MOVC A,@A+DPTR
MOV TL0,A
MOV A,R1
MOVC A,@A+DPTR
MOV TH0,A
CPL P3.0 ;輸出所需頻率方波信號
MOV A,P1
ANL A,#01111111B
CJNE A,30H,L
SJMP L1
ORG 0400H
SIN: DB 80H,83H,86H,89H,8cH,8fH,92H,95H,98H,9bH,9eH,0a2H,0a5H,0a7H,0aaH
DB 0adH,0b0H,0b3H,0b6H,0b9H,0bcH,0beH,0c1H,0c4H,0c6H,0c9H,0cbH,0ceH
DB 0d0H,0d3H,0d5H,0d7H,0daH,0dcH,0deH,0e0H,0e2H,0e4H,0e6H,0e8H,0eaH
DB 0ebH,0edH,0eeH,0f0H,0f1H,0f3H,0f4H,0f5H,0f6H,0f8H,0f9H,0faH,0faH
DB 0fbH,0fcH,0fdH,0fdH,0feH,0feH,0feH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0feH,0feH,0feH,0fdH,0fdH,0fcH,0fbH,0faH,0faH,0f9H,0f8H,0f6H
DB 0f5H,0f4H,0f3H,0f1H,0f0H,0eeH,0edH,0ebH,0eaH,0e8H,0e6H,0e4H,0e2H
DB 0e0H,0deH,0dcH,0daH,0d7H,0d5H,0d3H,0d0H,0ceH,0cbH,0c9H,0c6H,0c4H
DB 0c1H,0beH,0bcH,0b9H,0b6H,0b3H,0b0H,0adH,0aaH,0a7H,0a5H,0a2H,9eH
DB 9bH,98H,95H,92H,8fH,8cH,89H,86H,83H
DB 80H,7cH,79H,76H,73H,70H,6dH,6aH,67H,64H,61H,5dH,5aH,58H,55H,52H
DB 4fH,4cH,49H,46H,43H,41H,3eH,3bH,39H,36H,34H,31H,2fH,2cH,2aH,28H
DB 25H,23H,21H,1fH,1dH,1bH,19H,17H,15H,14H,12H,11H,0fH,0eH,0cH,0bH
DB 0aH,09H,07H,06H,05H,05H,04H,03H,02H,02H,01H,01H,01H,00H,00H,00H
DB 00H,00H,00H,00H,01H,01H,01H,02H,02H,03H,04H,05H,05H,06H,07H,09H
DB 0aH,0bH,0cH,0eH,0fH,11H,12H,14H,15H,17H,19H,1bH,1dH,1fH,21H,23H
DB 25H,28H,2aH,2cH,2fH,31H,34H,36H,39H,3bH,3eH,41H,43H,46H,49H,4cH
DB 4fH,52H,55H,58H,5aH,5dH,61H,64H,67H,6aH,6dH,70H,73H,76H,79H,7cH
TANGLE:DB 00H,02H,04H,06H,08H,0aH,0cH,0eH,10H,12H,14H,16H,18H,1aH,1cH,1eH
DB 20H,22H,24H,26H,28H,2aH,2cH,2eH,30H,32H,34H,36H,38H,3aH,3cH,3eH
DB 40H,42H,44H,46H,48H,4aH,4cH,4eH,50H,52H,54H,56H,58H,5aH,5cH,5eH
DB 60H,62H,64H,66H,68H,6aH,6cH,6eH,70H,72H,74H,76H,78H,7aH,7cH,7eH
DB 80H,82H,84H,86H,88H,8aH,8cH,8eH,90H,92H,94H,96H,98H,9aH,9cH,9eH
DB 0a0H,0a2H,0a4H,0a6H,0a8H,0aaH,0acH,0aeH,0b0H,0b2H,0b4H,0b6H,0b8H
DB 0baH,0bcH,0beH,0c0H,0c2H,0c4H,0c6H,0c8H,0caH,0ccH,0ceH,0d0H,0d2H
DB 0d4H,0d6H,0d8H,0daH,0dcH,0deH,0e0H,0e2H,0e4H,0e6H,0e8H,0eaH,0ecH
DB 0eeH,0f0H,0f2H,0f4H,0f6H,0f8H,0faH,0fcH,0feH,0feH,0fcH,0faH,0f8H
DB 0f6H,0f4H,0f2H,0f0H,0eeH,0ecH,0eaH,0e8H,0e6H,0e4H,0e2H,0e0H,0deH
DB 0dcH,0daH,0d8H,0d6H,0d4H,0d2H,0d0H,0ceH,0ccH,0caH,0c8H,0c6H,0c4H
DB 0c2H,0c0H,0beH,0bcH,0baH,0b8H,0b6H,0b4H,0b2H,0b0H,0aeH,0acH,0aaH
DB 0a8H,0a6H,0a4H,0a2H,0a0H
DB 9eH,9cH,9aH,98H,96H,94H,92H,90H,8eH,8cH,8aH,88H,86H,84H,82H,80H
DB 7eH,7cH,7aH,78H,76H,74H,72H,70H,6eH,6cH,6aH,68H,66H,64H,62H,60H
DB 5eH,5cH,5aH,58H,56H,54H,52H,50H,4eH,4cH,4aH,48H,46H,44H,42H,40H
DB 3eH,3cH,3aH,38H,36H,34H,32H,30H,2eH,2cH,2aH,28H,26H,24H,22H,20H
DB 1eH,1cH,1aH,18H,16H,14H,12H,10H,0eH,0cH,0aH,08H,06H,04H,02H,00H
FANGBO:DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
JUCHI: DB 00H,01H,02H,03H,04H,05H,06H,07H,08H,09H,0aH,0bH,0cH,0dH,0eH,0fH
DB 10H,11H,12H,13H,14H,15H,16H,17H,18H,19H,1aH,1bH,1cH,1dH,1eH,1fH
DB 20H,21H,22H,23H,24H,25H,26H,27H,28H,29H,2aH,2bH,2cH,2dH,2eH,2fH
DB 30H,31H,32H,33H,34H,35H,36H,37H,38H,39H,3aH,3bH,3cH,3dH,3eH,3fH
DB 40H,41H,42H,43H,44H,45H,46H,47H,48H,49H,4aH,4bH,4cH,4dH,4eH,4fH
DB 50H,51H,52H,53H,54H,55H,56H,57H,58H,59H,5aH,5bH,5cH,5dH,5eH,5fH
DB 60H,61H,62H,63H,64H,65H,66H,67H,68H,69H,6aH,6bH,6cH,6dH,6eH,6fH
DB 70H,71H,72H,73H,74H,75H,76H,77H,78H,79H,7aH,7bH,7cH,7dH,7eH,7fH
DB 80H,81H,82H,83H,84H,85H,86H,87H,88H,89H,8aH,8bH,8cH,8dH,8eH,8fH
DB 90H,91H,92H,93H,94H,95H,96H,97H,98H,99H,9aH,9bH,9cH,9dH,9eH,9fH
DB 0a0H,0a1H,0a2H,0a3H,0a4H,0a5H,0a6H,0a7H,0a8H,0a9H,0aaH,0abH,0acH
DB 0adH,0aeH,0afH,0b0H,0b1H,0b2H,0b3H,0b4H,0b5H,0b6H,0b7H,0b8H,0b9H
DB 0baH,0bbH,0bcH,0bdH,0beH,0bfH,0c0H,0c1H,0c2H,0c3H,0c4H,0c5H,0c6H
DB 0c7H,0c8H,0c9H,0caH,0cbH,0ccH,0cdH,0ceH,0cfH,0d0H,0d1H,0d2H,0d3H
DB 0d4H,0d5H,0d6H,0d7H,0d8H,0d9H,0daH,0dbH,0dcH,0ddH,0deH,0dfH,0e0H
DB 0e1H,0e2H,0e3H,0e4H,0e5H,0e6H,0e7H,0e8H,0e9H,0eaH,0ebH,0ecH,0edH
DB 0eeH,0efH,0f0H,0f1H,0f2H,0f3H,0f4H,0f5H,0f6H,0f7H,0f8H,0f9H,0faH
DB 0fbH,0fcH,0fdH,0feH,0ffH
TABLE:DW 0000H,0ec78H, 0f63cH, 0f97dH, 0fb1eH, 0fc18H, 0fcbfH, 0fd36H, 0fd8fH, 0fdd4H, 0fe0cH
DW 0fe39H, 0fe5fH, 0fe7fH, 0fe9bH, 0feb3H, 0fec7H, 0fedaH, 0feeaH, 0fef9H, 0ff06H
DW 0ff12H, 0ff1dH, 0ff27H, 0ff30H, 0ff38H, 0ff40H, 0ff47H, 0ff4dH, 0ff54H, 0ff59H
DW 0ff5fH, 0ff64H, 0ff68H, 0ff6dH, 0ff71H, 0ff75H, 0ff79H, 0ff7cH, 0ff80H, 0ff83H
DW 0ff86H, 0ff89H, 0ff8cH, 0ff8eH, 0ff91H, 0ff93H, 0ff96H, 0ff98H, 0ff9aH, 0ff9cH
DW 0ff9eH, 0ffa0H, 0ffa2H, 0ffa3H, 0ffa5H, 0ffa7H, 0ffa8H, 0ffaaH, 0ffabH, 0ffadH
DW 0ffaeH, 0ffafH, 0ffb1H, 0ffb2H, 0ffb3H, 0ffb4H, 0ffb5H, 0ffb6H, 0ffb8H, 0ffb9H
DW 0ffbaH, 0ffbbH, 0ffbcH, 0ffbcH, 0ffbdH, 0ffbeH, 0ffbfH, 0ffc0H, 0ffc1H, 0ffc1H
DW 0ffc2H, 0ffc3H, 0ffc4H, 0ffc4H, 0ffc5H, 0ffc6H, 0ffc7H, 0ffc7H, 0ffc8H, 0ffc8H
DW 0ffc9H, 0ffcaH, 0ffcaH, 0ffcbH, 0ffcbH, 0ffccH, 0ffccH, 0ffcdH, 0ffcdH, 0ffceH
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