?? exp6.asm
字號:
P0 DATA 080H ;PORT 0
SP DATA 081H ;STACK POINTER
DPL DATA 082H ;DATA POINTER - LOW BYTE
DPH DATA 083H ;DATA POINTER - HIGH BYTE
DPP DATA 084H ;DATA POINTER - PAGE BYTE
PCON DATA 087H ;POWER CONTROL
TCON DATA 088H ;TIMER CONTROL
TMOD DATA 089H ;TIMER MODE
TL0 DATA 08AH ;TIMER 0 - LOW BYTE
TL1 DATA 08BH ;TIMER 1 - LOW BYTE
TH0 DATA 08CH ;TIMER 0 - HIGH BYTE
TH1 DATA 08DH ;TIMER 1 - HIGH BYTE
P1 DATA 090H ;PORT 1
SCON DATA 098H ;SERIAL PORT CONTROL
SBUF DATA 099H ;SERIAL PORT BUFFER
I2CDAT DATA 09AH ;I2C DATA BUFFER
I2CADD DATA 09BH ;I2C ADDRESS
P2 DATA 0A0H ;PORT 2
IE DATA 0A8H ;INTERRUPT ENABLE 1
IE2 DATA 0A9H ;INTERRUPT ENABLE 2
P3 DATA 0B0H ;PORT 3
IP DATA 0B8H ;INTERRUPT PRIORITY
ECON DATA 0B9H ;FLASH EEPROM CONTROL
ETIM1 DATA 0BAH
ETIM2 DATA 0BBH ;FLASH EEPROM TIMING2
EDATA1 DATA 0BCH ;FLASH EEPROM DATA1
EDATA2 DATA 0BDH ;FLASH EEPROM DATA2
EDATA3 DATA 0BEH ;FLASH EEPROM DATA3
EDATA4 DATA 0BFH ;FLASH EEPROM DATA4
WDCON DATA 0C0H ;WATCHDOG TIMER CONTROL
ETIM3 DATA 0C4H ;FLASH EEPROM TIMING3
EADRL DATA 0C6H ;FLASH EEPROM PAGE ADDRESS
T2CON DATA 0C8H ;TIMER 2 CONTROL
RCAP2L DATA 0CAH ;TIMER 2 CAPTURE REGISTER - LOW BYTE
RCAP2H DATA 0CBH ;TIMER 2 CAPTURE REGISTER - HIGH BYTE
TL2 DATA 0CCH ;TIMER 2 - LOW BYTE
TH2 DATA 0CDH ;TIMER 2 - HIGH BYTE
PSW DATA 0D0H ;PROGRAM STATUS WORD
DMAL DATA 0D2H ;DMA ADDRESS LOW BYTE
DMAH DATA 0D3H ;DMA ADDRESS HIGH BYTE
DMAP DATA 0D4H ;DMA ADDRESS PAGE BYTE
ADCCON2 DATA 0D8H ;ADC CONTROL
ADCDATAL DATA 0D9H ;ADC DATA LOW BYTE
ADCDATAH DATA 0DAH ;ADC DATA HIGH BYTE
PSMCON DATA 0DFH ;POWER SUPPLY MONITOR
ACC DATA 0E0H ;ACCUMULATOR
I2CCON DATA 0E8H ;I2C CONTROL
ADCCON1 DATA 0EFH ;ADC CONTROL
B DATA 0F0H ;MULTIPLICATION REGISTER
ADCOFSL DATA 0F1H ;ADC OFFSET LOW BYTE
ADCOFSH DATA 0F2H ;ADC OFFSET HIGH BYTE
ADCGAINL DATA 0F3H ;ADC GAIN LOW BYTE
ADCGAINH DATA 0F4H ;ADC GAIN HIGH BYTE
ADCCON3 DATA 0F5H ;ADC CONTROL
SPIDAT DATA 0F7H ;SPI DATA REGISTER
SPICON DATA 0F8H ;SPI CONTROL REGISTER
DAC0L DATA 0F9H ;DAC0 LOW BYTE
DAC0H DATA 0FAH ;DAC0 HIGH BYTE
DAC1L DATA 0FBH ;DAC1 LOW BYTE
DAC1H DATA 0FCH ;DAC1 HIGH BYTE
DACCON DATA 0FDH ;DAC CONTROL REGISTER
IT0 BIT 088H ;TCON.0 - EXT. INTERRUPT 0 TYPE
IE0 BIT 089H ;TCON.1 - EXT. INTERRUPT 0 EDGE FLAG
IT1 BIT 08AH ;TCON.2 - EXT. INTERRUPT 1 TYPE
IE1 BIT 08BH ;TCON.3 - EXT. INTERRUPT 1 EDGE FLAG
TR0 BIT 08CH ;TCON.4 - TIMER 0 ON/OFF CONTROL
TF0 BIT 08DH ;TCON.5 - TIMER 0 OVERFLOW FLAG
TR1 BIT 08EH ;TCON.6 - TIMER 1 ON/OFF CONTROL
TF1 BIT 08FH ;TCON.7 - TIMER 1 OVERFLOW FLAG
T2 BIT 090H ;P1.0 - TIMER 2 TRIGGER INPUT
T2EX BIT 091H ;P1.1 - TIMER 2 COUNT INPUT
RI BIT 098H ;SCON.0 - RECEIVE INTERRUPT FLAG
TI BIT 099H ;SCON.1 - TRANSMIT INTERRUPT FLAG
RB8 BIT 09AH ;SCON.2 - RECEIVE BIT 8
TB8 BIT 09BH ;SCON.3 - TRANSMIT BIT 8
REN BIT 09CH ;SCON.4 - RECEIVE ENABLE
SM2 BIT 09DH ;SCON.5 - SERIAL MODE CONTROL BIT 2
SM1 BIT 09EH ;SCON.6 - SERIAL MODE CONTROL BIT 1
SM0 BIT 09FH ;SCON.7 - SERIAL MODE CONTROL BIT 0
EX0 BIT 0A8H ;IE.0 - EXTERNAL INTERRUPT 0 ENABLE
ET0 BIT 0A9H ;IE.1 - TIMER 0 INTERRUPT ENABLE
EX1 BIT 0AAH ;IE.2 - EXTERNAL INTERRUPT 1 ENABLE
ET1 BIT 0ABH ;IE.3 - TIMER 1 INTERRUPT ENABLE
ES BIT 0ACH ;IE.4 - SERIAL PORT INTERRUPT ENABLE
ET2 BIT 0ADH ;IE.5 - TIMER 2 INTERRUPT ENABLE
EADC BIT 0AEH ;IE.6 - ENABLE ADC INTURRUPT
EA BIT 0AFH ;IE.7 - GLOBAL INTERRUPT ENABLE
RXD BIT 0B0H ;P3.0 - SERIAL PORT RECEIVE INPUT
TXD BIT 0B1H ;P3.1 - SERIAL PORT TRANSMIT OUTPUT
INT0 BIT 0B2H ;P3.2 - EXTERNAL INTERRUPT 0 INPUT
INT1 BIT 0B3H ;P3.3 - EXTERNAL INTERRUPT 1 INPUT
T0 BIT 0B4H ;P3.4 - TIMER 0 COUNT INPUT
T1 BIT 0B5H ;P3.5 - TIMER 1 COUNT INPUT
WR BIT 0B6H ;P3.6 - WRITE CONTROL FOR EXT. MEMORY
RD BIT 0B7H ;P3.7 - READ CONTROL FOR EXT. MEMORY
PX0 BIT 0B8H ;IP.0 - EXTERNAL INTERRUPT 0 PRIORITY
PT0 BIT 0B9H ;IP.1 - TIMER 0 PRIORITY
PX1 BIT 0BAH ;IP.2 - EXTERNAL INTERRUPT 1 PRIORITY
PT1 BIT 0BBH ;IP.3 - TIMER 1 PRIORITY
PS BIT 0BCH ;IP.4 - SERIAL PORT PRIORITY
PT2 BIT 0BDH ;IP.5 - TIMER 2 PRIORITY
PADC BIT 0BEH ;IP.6 - ADC PRIORITY
PSI BIT 0BFH ;IP.7 - SPI OR 2-WIRE SERIAL INTERFACE PRIORITY
WDE BIT 0C0H ;WDCON.0 - WATCHDOG ENABLE
WDS BIT 0C1H ;WDCON.1 - WATCHDOG STATUS
WDR2 BIT 0C2H ;WDCON.2 - WATCHDOG TIMER REFRESH BIT2
WDR1 BIT 0C3H ;WDCON.3 - WATCHDOG TIMER REFRESH BIT1
PRE0 BIT 0C5H ;WDCON.5 - WATCHDOG TIMEOUT SELECTION BIT0
PRE1 BIT 0C6H ;WDCON.6 - WATCHDOG TIMEOUT SELECTION BIT1
PRE2 BIT 0C7H ;WDCON.7 - WATCHDOG TIMEOUT SELECTION BIT2
CAP2 BIT 0C8H ;T2CON.0 - CAPTURE OR RELOAD SELECT
CNT2 BIT 0C9H ;T2CON.1 - TIMER OR COUNTER SELECT
TR2 BIT 0CAH ;T2CON.2 - TIMER 2 ON/OFF CONTROL
EXEN2 BIT 0CBH ;T2CON.3 - TIMER 2 EXTERNAL ENABLE FLAG
TCLK BIT 0CCH ;T2CON.4 - TRANSMIT CLOCK SELECT
RCLK BIT 0CDH ;T2CON.5 - RECEIVE CLOCK SELECTT
EXF2 BIT 0CEH ;T2CON.6 - EXTERNAL TRANSITION FLAG
TF2 BIT 0CFH ;T2CON.7 - TIMER 2 OVERFLOW FLAG
P BIT 0D0H ;PSW.0 - ACCUMULATOR PARITY FLAG
F1 BIT 0D1H ;PSW.1 - FLAG 0
OV BIT 0D2H ;PSW.2 - OVERFLOW FLAG
RS0 BIT 0D3H ;PSW.3 - REGISTER BANK SELECT 0
RS1 BIT 0D4H ;PSW.4 - REGISTER BANK SELECT 1
F0 BIT 0D5H ;PSW.5 - FLAG 0
AC BIT 0D6H ;PSW.6 - AUXILIARY CARRY FLAG
CY BIT 0D7H ;PSW.7 - CARRY FLAG
CS0 BIT 0D8H ;ADCCON2.0 - ADC INPUT CHANNEL SELECT BIT0
CS1 BIT 0D9H ;ADCCON2.1 - ADC INPUT CHANNEL SELECT BIT1
CS2 BIT 0DAH ;ADCCON2.2 - ADC INPUT CHANNEL SELECT BIT2
CS3 BIT 0DBH ;ADCCON2.3 - ADC INPUT CHANNEL SELECT BIT3
SCONV BIT 0DCH ;ADCCON2.4 - SINGLE CONVERSION ENABLE
CCONV BIT 0DDH ;ADCCON2.5 - CONTINUOUS CONVERSION ENABLE
DMA BIT 0DEH ;ADCCON2.6 - DMA MODE ENABLE
ADCI BIT 0DFH ;ADCCON2.7 - ADC INTURRUPT FLAG
I2CI BIT 0E8H ;I2CCON.0 - I2C INTURRUPT FLAG
I2CTX BIT 0E9H ;I2CCON.1 - I2C TRANSMIT SELECT
I2CRS BIT 0EAH ;I2CCON.2 - I2C RESET
I2CM BIT 0EBH ;I2CCON.3 - I2C MASTER MODE SELECT
MDI BIT 0ECH ;I2CCON.4 - I2C MASTER MODE SDATA INPUT
MCO BIT 0EDH ;I2CCON.5 - I2C MASTER MODE SCLOCK OUTPUT
MDE BIT 0EEH ;I2CCON.6 - I2C MASTER MODE SDATA ENABLE
MDO BIT 0EFH ;I2CCON.7 - I2C MASTER MODE SDATA OUTPUT
SPR0 BIT 0F8H ;SPICON.0 - SPI BITRATE SELECT BIT0
SPR1 BIT 0F9H ;SPICON.1 - SPI BITRATE SELECT BIT1
CPHA BIT 0FAH ;SPICON.2 - SPI CLOCK PHASE SELECT
CPOL BIT 0FBH ;SPICON.3 - SPI CLOCK POLARITY SELECT
SPIM BIT 0FCH ;SPICON.4 - SPI MASTER/SLAVE MODE SELECT
SPE BIT 0FDH ;SPICON.5 - SPI INTERFACE ENABLE
WCOL BIT 0FEH ;SPICON.6 - SPI WRITE COLLISION ERROR FLAG
ISPI BIT 0FFH ;SPICON.7 - SPI END OF TRANSFER FLAG
io_page equ 04h
led8seg_port equ 0004h
led8bit_port equ 0005h
CHN0 EQU 0 ;對通道0進行采樣
ORG 0000H
ljmp main
ORG 0033H ;中斷服務程序
ADC0: MOV R2,ADCDATAL ;存轉換結果低位字節
MOV R3,ADCDATAH ;存轉換結果高位字節
DAC0: MOV DAC0H,R3
MOV DAC0L,R2
SETB 20H
RETI
ORG 0100H
main: mov sp,#80h
CLR 20H
MOV DACCON,#00001101B ;DAC0 on, 12bit, asynchronous
MOV ADCCON1,#01100100B ;ADC正常工作4分頻2個采集時鐘
MOV ADCCON2,#CHN0 ;選擇通道0
SETB EA;開中斷
SETB EADC;開ADC中斷
;SETB CCONV;連續轉換，單步無此句
AGAIN: NOP
LCALL DELAY_1MS ;延時
SETB SCONV
LCALL DELAY_1MS
;LCALL DELAY_1MS
JB 20H, dspaddata
LJMP AGAIN
dspaddata:
NOP
mov R0,#30H
MOV A,R2
ANL A,#0FH
MOV @R0,A
INC R0
MOV A,R2
SWAP A
ANL A,#0FH
MOV @R0,A
INC R0
MOV A,R3
ANL A,#0FH
MOV @R0,A
INC R0
MOV A,R3
SWAP A
ANL A,#0FH
MOV @R0,A
CLR 20H
LPDSP: NOP
mov r4,#4
mov R0,#30H
mov R1,#0feh
LPDSP1: NOP
acall disp_data
inc R0
acall disp_bit
setb c
RLc A
MOV R1,A
lcall DELAY_1MS
lcall DELAY_1MS
djnz r4,LPDSP1
ret
;入口：R0顯示數據
DISP_data:
NOP
MOV A,@R0
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV DPP,#io_page
MOV DPTR,#led8seg_port
MOVX @DPTR,A
ret
;入口：R1顯示位置
disp_bit:
NOP
MOV A,R1
MOV DPP,#io_page
MOV DPTR,#led8bit_port
MOVX @DPTR,A
RET
TAB: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,88H,83H,0C6H,0A1H,86H,8EH;0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F
DELAY_10MS:
MOV R6,#8
DELAY_10MS1:
LCALL DELAY_1MS
DJNZ R6,DELAY_10MS1
RET
DELAY_1MS:
MOV R7,#250
DELAY_1MS1:
NOP
NOP
DJNZ R7,DELAY_1MS1
RET
end?? 快捷鍵說明
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