=== =时钟20:6=== === ==

应先初始化状态寄存器

tx1714 EQU 7FFH

PA EQU 05H

　　PB EQU 06H

　　PC EQU 07H

　　PD EQU 20H

IAR EQU 00H　　 间接寻址寄存器

TMR0 EQU 01H　　 定时器

STATUS EQU 03H　　 状态寄存器

BSR EQU 04H　　 bank选择寄存器

PORTA EQU 05H　　 I/0端口寄存器

PORTB EQU 06H　　 I/0端口寄存器

PORTC EQU 07H　　 I/0端口寄存器

PORTD EQU 20H　　 I/0端口寄存器

PULL EQU 21H　　 PULL-High上拉寄存器

WAKEUP EQU 22H　　 唤醒控制寄存器－－被用来设定watchdog允许和禁止

IRQM EQU 23H　　 中断屏蔽寄存器

IRQF EQU 24H　　 中断标志寄存器

WDTSEL EQU 25H

-=== === = clock 20 : 6 === === === == should first register initialization state tx1714 EQU 7FFH EQU PA PB EQU 05H 06H 07H PC EQU PD EQU 20H IAR E QU 00H indirectly addressable registers TMR0 EQU 01H timer STATUS EQU Mr send state BSR EQU-deposit bank in the 04H choice Register PORTA EQU 05H I/O ports Register P ORTB EQU 06H I/O ports Register PORTC EQU 07H I/O ports Register POR TD EQU 20H I/O ports Register PULL EQU 21H PULL-High pull Register WAKEUP EQU 22H awaken control registers-- were used to set watchdog allowed and prohibited I RQM EQU 23H interrupt masking register IRQF EQU 24H interrupted signs Register WDTSEL E QU 25H