mod752

包括了各种常用的8051单片机的程序

;        REV.  1.1  Dec 23, 1989
ACC      DATA   0E0H   ;Accumulator
ADAT     DATA   084H   ;A/D Converter Data
ADCON    DATA   0A0H   ;A/D Converter Control
B        DATA   0F0H   ;Multiplication Register
DPH      DATA   083H   ;Data Pointer - High Byte
DPL      DATA   082H   ;Data Pointer - Low Byte
I2CFG    DATA   0D8H   ;I2C Configuration
I2CON    DATA   098H   ;I2C Control
I2DAT    DATA   099H   ;I2C Data
I2STA    DATA   0F8H   ;I2C Internal Status
IE       DATA   0A8H   ;Interrupt Enable
P0       DATA   080H   ;Port 0
P1       DATA   090H   ;Port 1
P3       DATA   0B0H   ;Port 3
PCON     DATA   087H   ;Power Control
PSW      DATA   0D0H   ;Program Status Word
PWCM     DATA   08EH   ;PWM Compare
PWENA    DATA   0FEH   ;PWM Enable
PWMP     DATA   08FH   ;PWM Prescalar
RTH      DATA   08DH   ;Reload Timer - High Byte
RTL      DATA   08BH   ;Reload Timer - Low Byte
SP       DATA   081H   ;Stack Pointer
TCON     DATA   088H   ;Timer Control
TH       DATA   08CH   ;Timer - High Byte
TL       DATA   08AH   ;Timer - Low Byte
SCL      BIT    080H   ;P0.0 - I2C Serial Clock
SDA      BIT    081H   ;P0.0 - I2C Serial Data
IT1      BIT    088H   ;TCON.0 - External Interrupt 1 Type
IE1      BIT    089H   ;TCON.1 - External Interrupt 1 Edge Flag
IT0      BIT    08AH   ;TCON.2 - External Interrupt 0 Type
IE0      BIT    08BH   ;TCON.3 - External Interrupt 0 Edge Flag
TR       BIT    08CH   ;TCON.4 - Timer On/Off Control
TF       BIT    08DH   ;TCON.5 - Timer 0 Overflow Flag
CT       BIT    08EH   ;TCON.6 - Counter or Timer
GATE     BIT    08FH   ;TCON.7 - Timer enabled on (INT0 AND TR) or TR
INT0     BIT    095H   ;P1.5 - External Interrutp 0 Input
INT1     BIT    096H   ;P1.6 - External Interrupt 1 Input
T0       BIT    097H   ;P1.7 - Timer 0 Count Input
MASTER   BIT    099H   ;I2CON.1 - READ - Determines master of I2C bus
STP      BIT    09AH   ;I2CON.2 - READ - I2C stop condition flag
STR      BIT    09BH   ;I2CON.3 - READ - I2C start condition flag
ARL      BIT    09CH   ;I2CON.4 - READ - Arbitration loss flag
DRDY     BIT    09DH   ;I2CON.5 - READ - Data ready flag
ATN      BIT    09EH   ;I2CON.6 - READ - (DRDY or ARL or STR or STP)
RDAT     BIT    09FH   ;I2CON.7 - READ - Receive data flag
XSTP     BIT    098H   ;I2CON.0 - WRITE - Transmit stop condition
XSTR     BIT    099H   ;I2CON.1 - WRITE - Transmit repeated start condition
CSTP     BIT    09AH   ;I2CON.2 - WRITE - Clear stop condition flag
CSTR     BIT    09BH   ;I2CON.3 - WRITE - Clear start condition flag
CARL     BIT    09CH   ;I2CON.4 - WRITE - Clear arbitration loss flag
CDR      BIT    09DH   ;I2CON.5 - WRITE - Clear data ready flag
IDLE     BIT    09EH   ;I2CON.6 - WRITE - Slave idle flag
CXA      BIT    09FH   ;I2CON.7 - WRITE - Clear transmit active flag
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
EPWM     BIT    0ABH   ;IE.3 - PWM Interrupt Enable
ES       BIT    0ACH   ;IE.4 - Serial Port Interrupt Enable
ETI      BIT    0ADH   ;IE.5 - Timer 1 Interrupt Enable
EAD      BIT    0AEH   ;IE.6 - ADC Interrupt Enable
EA       BIT    0AFH   ;IE.7 - Global Interrupt Enable
P        BIT    0D0H   ;PSW.0 - Accumulator Parity Flag
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
CT0      BIT    0D8H   ;I2CFG.0 - Timing bit
CT1      BIT    0D9H   ;I2CFG.1 - Timing bit
TIRUN    BIT    0DCH   ;I2CFG.4 - Enable/disable timer 1
CLRTI    BIT    0DDH   ;I2CFG.5 - Clear timer 1 interrupt flag
MASTRQ   BIT    0DEH   ;I2CFG.6 - Request mastership of I2C
SLAVEN   BIT    0DFH   ;I2CFG.7 - Enable I2C slave functionality
RSTP     BIT    0F8H   ;I2STA.0 - READ - Transmit Stop Condition
RSTR     BIT    0F9H   ;I2STA.1 - READ - Transmit Repeated Start Condition
MAKSTP   BIT    0FAH   ;I2STA.2 - READ - Stop Condition
MAKSTR   BIT    0FBH   ;I2STA.3 - READ - Start Condition
XACTV    BIT    0FCH   ;I2STA.4 - READ - Transmitter Active
XDATA    BIT    0FDH   ;I2STA.5 - READ - Content of Transmitter Buffer
RIDLE    BIT    0FEH   ;I2STA.6 - READ - Slave Idle Flag