2023年01月13日 | 用汇编语言写个流水灯程序

;************* 功能说明 **************

;程序使用P4.7 P4.6 P1.6 P1.7 来演示流水灯，输出低驱动。

Fosc_KHZ EQU 22118 ;22118KHZ

STACK_POIRTER EQU 0D0H ;堆栈开始地质

;*******************************************************

P4 DATA 0C0H

P0M1 DATA 0x93 ;

P0M0 DATA 0x94 ;

P1M1 DATA 0x91 ;

P1M0 DATA 0x92 ;

P2M1 DATA 0x95 ;

P2M0 DATA 0x96 ;

P3M1 DATA 0xB1 ;

P3M0 DATA 0xB2 ;

P4M1 DATA 0xB3 ;

P4M0 DATA 0xB4 ;

P5M1 DATA 0xC9 ;

P5M0 DATA 0xCA ;

P6M1 DATA 0xCB ;

P6M0 DATA 0xCC ;

P7M1 DATA 0xE1 ;

P7M0 DATA 0xE2 ;

ORG 0000H ;reset

LJMP F_Main

ORG 0003H ;0 INT0 interrupt

RETI

LJMP F_INT0_Interrupt

ORG 000BH ;1 Timer0 interrupt

LJMP F_Timer0_Interrupt

ORG 0013H ;2 INT1 interrupt

LJMP F_INT1_Interrupt

ORG 001BH ;3 Timer1 interrupt

LJMP F_Timer1_Interrupt

ORG 0023H ;4 UART1 interrupt

LJMP F_UART1_Interrupt

ORG 002BH ;5 ADC and SPI interrupt

LJMP F_ADC_Interrupt

ORG 0033H ;6 Low Voltage Detect interrupt

LJMP F_LVD_Interrupt

ORG 003BH ;7 PCA interrupt

LJMP F_PCA_Interrupt

ORG 0043H ;8 UART2 interrupt

LJMP F_UART2_Interrupt

ORG 004BH ;9 SPI interrupt

LJMP F_SPI_Interrupt

ORG 0053H ;10 INT2 interrupt

LJMP F_INT2_Interrupt

ORG 005BH ;11 INT3 interrupt

LJMP F_INT3_Interrupt

ORG 0063H ;12 Timer2 interrupt

LJMP F_Timer2_Interrupt

ORG 0083H ;16 INT4 interrupt

LJMP F_INT4_Interrupt

;******************** 主程序 **************************/

ORG 0100H ;reset

F_Main:

CLR A

MOV P0M1, A ;设置为准双向口

MOV P0M0, A

MOV P1M1, A ;设置为准双向口

MOV P1M0, A

MOV P2M1, A ;设置为准双向口

MOV P2M0, A

MOV P3M1, A ;设置为准双向口

MOV P3M0, A

MOV P4M1, A ;设置为准双向口

MOV P4M0, A

MOV P5M1, A ;设置为准双向口

MOV P5M0, A

MOV P6M1, A ;设置为准双向口

MOV P6M0, A

MOV P7M1, A ;设置为准双向口

MOV P7M0, A

MOV SP, #STACK_POIRTER

MOV PSW, #0 ;选择第0组R0~R7

L_MainLoop:

CLR P1.7

MOV A, #250

LCALL F_delay_ms ;延时250ms

LCALL F_delay_ms ;延时250ms

SETB P1.7

CLR P1.6

MOV A, #250

LCALL F_delay_ms ;延时250ms

LCALL F_delay_ms ;延时250ms

SETB P1.6

CLR P4.7

MOV A, #250

LCALL F_delay_ms ;延时250ms

LCALL F_delay_ms ;延时250ms

SETB P4.7

CLR P4.6

MOV A, #250

LCALL F_delay_ms ;延时250ms

LCALL F_delay_ms ;延时250ms

SETB P4.6

SJMP L_MainLoop

F_delay_ms:

PUSH 02H ;入栈R2

PUSH 03H ;入栈R3

PUSH 04H ;入栈R4

MOV R2,A

L_delay_ms_1:

MOV R3, #HIGH (Fosc_KHZ / 13)

MOV R4, #LOW (Fosc_KHZ / 13)

L_delay_ms_2:

MOV A, R4 ;1T Total 13T/loop

DEC R4 ;2T

JNZ L_delay_ms_3 ;4T

DEC R3

L_delay_ms_3:

DEC A ;1T

ORL A, R3 ;1T

JNZ L_delay_ms_2 ;4T

DJNZ R2, L_delay_ms_1

POP 04H ;出栈R2

POP 03H ;出栈R3

POP 02H ;出栈R4

RET

;**************** 中断函数 *****

F_Timer0_Interrupt: ;Timer0 1ms中断函数

RETI

F_Timer1_Interrupt:

RETI

F_Timer2_Interrupt:

RETI

F_INT0_Interrupt:

RETI

F_INT1_Interrupt:

RETI

F_INT2_Interrupt:

RETI

F_INT3_Interrupt:

RETI

F_INT4_Interrupt:

RETI

F_UART1_Interrupt:

RETI

F_UART2_Interrupt:

RETI

F_ADC_Interrupt:

RETI

F_LVD_Interrupt:

RETI

F_PCA_Interrupt:

RETI

F_SPI_Interrupt:

RETI

END