Infrared gating system source program based on single chip microcomputer

The specific content of the program is as follows: $ Mod52 org 0000h Ljmp 0100H ORG 0013H LJMP 0100H ORG 0013H LJMP 0150H ORG 0050HMAIN: CLR A MOV 30H, A initial buffer MOV 31H, A MOV 32H, A MOV 33H, A MOV R6, A MOV R7, A setb EA setb EX0 Setb ex1 setb it0 setb it1 setb px1next1: ACALL HEXTOBCDD Call Digital Converter ACALL DISPLAY Call display subroutine LJMP next1 ORG 0100H Interrupt 0 Server LCALL DELY MOV 70H, # 2 DJNZ 70H, Next JBC F0, Next Setb F0 CLR P0.0 LCALL DELY0 Setb P0.0 MOV A, R7 Add A, # 1 MOV R7, A MOV A, R6 AddC a, # 0 MOV R6, A CJNE R6, # 07h, Next CLR A MOV R6, A MOV R7, ANEXT: RETI ORG 0150H Interrupt 1 Server LCall Dely MoV 70h, # 2 DJNZ 70H, Next2 JBC F0, Next2 Setb F0 CLR P0.0 LCALL DELY0 Setb P0.0 CLR C Mov A, R7 Subb A, # 1 MOV R7, A MOV A, R6 SUBB A, # 0 MOV R6, A CJNE R6, # 07h, Next2 CLR A MOV R6 , A MOV R7, ANEXT2: RETI ORG 0200HEXTOBCDD: MOV A, R6 Transformed by hexadecimal into decimal PUSH ACC MOV A, R7 PUSH ACC MOV A, R2 PUSH ACC CLR A MOV R3, A MOV R4, A MOV R5, A MOV R2, # 10HHB3: MOV A, R7 Move the highest level in the hexadecimal into the carry position RLC A MOV R7, A MOV A, R6 RLC A MOV R6, A MOV A, R5 Each digit plus itself equivalent to multiplying this number by 2 addc A, R5 DA A MOV R5, A MOV A, R4 ADDC A, R4 DA A decimal adjustment MOV R4, A MOV A, R3 ADDC A, R3 DJNZ R2, HB3 POP ACC MOV R2, A POP ACC MOV R7, A POP ACC MOV R6, A RET ORG 0250HDISPLAY: MOV R0, # 30h Mov A, R5 ANL A, # 0fh MoV @ r0, a MOV A, R5 SWAP A ANL A, # 0FH INC R0 MOV @ R0, A MOV A, R4 ANL A, # 0FH INC R0 MOV @ R0, A MOV A, R4 SWAP A ANL A, # 0FH INC R0 MOV @ R0, A MOV R0, # 30h MOV R2, # 11111110Bagain: MOV A, R2 MOV P2, A MOV A, @ r0 MOV DPTR, #TAB MOVC A, @ A + DPTR MOV P1, A ACALL DELAY INC R0 MOV A, R2 RL A MOV R2, A JB ACC.4, AGAIN RETTAB: DB 03FH, 06H, 5BH, 4FH, 66H, 6DH, 7DH, 07H, 7FH, 6FH seven ok code table DELY: MOV R1, # 80d1: Mov R2, # 100 DJNZ R2, $ DJNZ R1, D1 RET DELAY: MOV TMOD, # 01H Time Subrouting MOV TL0, # 0FEH MOV TH0, # 0FEH Setb Tr0Wait: JNB TF0, WAIT CLR TF0 CLR TR0 RETDELY0: MOV R1, # 200d3: MOV R2, # 250 DJNZ R2, $ DJNZ R1, D3 RET END, reading full text, technology area About μClinux transplantation on ARM7 S3C4510B Multi-looped into charge and discharge controller design Interrupt service routines for ARM embedded systems LED dimming engine design based on 8-bit MCU How to display Chinese characters, ASCII characters and color graphics on the LCD monitor

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