【正文】 DB 0AH,38H,9CH,68H,1CH,IEH,00FH,2AH END********************************************************************PROC DELAYIDELAYI: ；軟件延時子程序1 CLR ALA MOV R6,64HDELAY11: MOV R7,250 DJNZ R7,$ DJNZ R6,DFLAY11 SETB ALA RETNOP 。PC值出錯處理 NOP 。PC值出錯處理 NOP 。M=3 MOV 30H,03H MOV 31H,03HMULTT MOV A,AD0 MOV E3,AD1 MOV R2,A ADD A,R3 INC A MOV AD2,A MOV A,ADB CLR C SUBB A,R3 MOV AD6,A MOV R1,A SUBB A,R2 MOV AD5,A INC R2MULNMZ:: MOV R1,00H DEC R1 DJNZ R2,MULNMZMULNML: MOV R2,AD0 MOV R1,AD6 MOV R0ADA CLR 00HMULNML: MOV A,ADB MJZ MULNMD MOV B,R0 MUL AB ADD A,2R1 MOV R1,A JNB 00H,MULNM1 INC BMULNM1: MOV A,B DEC R1 ADDC A,2R1 MOV R1,A MOV 00H,C DEC R0 DJNZ R2,MULNMMULNMD MOV R0,AD5 CLR A MOV R2,AD2MULNMS: XCH A,R0 INC R0 DJNZ R2,MULNMS DJNZ R3,MULNMB RET NOP PC值出錯處理 NOP 空操作 NOP 空操作 LJMP MIAN 重新復位啟動 END********************************************************************PROC X3600 ；為了計算時間差乘以3600，分別把被乘數(shù)（時間差）和乘數(shù)（3600） 送到4DH~4FH和5DH~5FH中。讀FPGA數(shù)據(jù) LCALL ZHUBEIZHOUQI 裝入頻率除法數(shù)據(jù) CLR JNB ,DIVDD1 LJMP CHCHUDIVDD1:LCALL DIVD1 ；計算頻率 MOV 6FH,4FH MOV 6EH,4EH MOV 6DH,4DH MOV 6CH,4CH MOV 35H,4FH MOV 34H,4EH MOV 33H,4DH MOV 32H,4DH LCALL BCDST ；二進制轉換為BCD碼 MOV R0,30H MOV R1,3FH MOV R7,04H MOV 30H,0 MOV 31H,0 MOV 32H,0 MOV 33H,0 MOV 34H,0 MOV 35H,0 MOV 36H,0 LCALL BCD_2BCD MOV 70H,18 MOV 71H,30H MOV 72H,31H MOV 73H,32H MOV 74H,33H MOV 75H,34H MOV 76H,35HMIANWC:LCALL X3600 ；裝入相位計算數(shù)據(jù) LCALL MULNM MOV 4AH,5AH ；將以X3600位初始地址單元的積送入除法緩沖區(qū) MOV 4BH,5BH MOV 4CH,5CH MOV 4DH,5DH MOV 4EH,5EH MOV 4FH,5FH MOV 5FH,DATAL ；裝入被側周期時間 MOV 5EH,DATAH MOV 5DH,DATA3 LCALL DIVDI ；得到相位差值 MOV 35H,4FH MOV 34H,4EH MOV 33H,4DH MOV 32H,0 LCALL BCDST ；二進制轉換為BCD碼 MOV R0,30H MOV R1,3FH MOV R7,04H MOV 30H,0 MOV 31H,0 MOV 32H,0 MOV 33H,0 MOV 34H,0 MOV 35H,0 MOV 36H,0 LCALL BCD_2BCD MOV 78H,16 MOV 79H,30H MOV 7AH,31H MOV 7BH,32H MOV 7CH,33H MOV 7DH,34H MOV 7EH,35HCHCHU：LCALL DISPKEYCOD： JB ，MAIN11 LCALL DELAY1 JNB ，$ CPL LCALL DELAY2MIAN11： LCALL DELAY1 LCALL DELAY1 LCALL DELAY1 LJMP MIAN1**********************************************************************CPU從FPGA到數(shù)據(jù)庫MCU子程序：PROC DUSHUJUDUSHUJU： CLR DSEL CLR FEN MOV A，P0 MOV DATAL，A MOV A，P2 MOV DATAH，A MOV A，P1 ANL A. 00000111B MOV DATA3，A SETB DESL SETB FEN NOP CLR FEN MOV A，P0 MOV DATAL，A MOV A，P2 MOV DATAH，A MOV A，P1 ANL A.00000111B MOV DATA33，A SETB FEN RET NOP ：PC值出錯處理 NOP