;程序测试代码如下:

;  P10--PWM2

;P11--PWM1

;  P12--PWM0   

main:


    ;initial port

    clrr        DDR1

    movai       0xff

    movra       P1

    movai       0x03

    movra       PWMCR

    ;bset        DBLCK

     ;bset       PWMMD

     ;bset      PWMINV

     bclr       PWM1E

    movai       0xc0

    movra       T1CR

    movai       0xff

    movra       T1LOAD ; timer1 counte value initial

    ;pwm0

    movai       0x20

    movra       T1DATA0

   ;pwm1      

    movai       0x10

    movra       T1DATA1

   ;pwm2      

    movai       0x30

    movra       T1DATA2        

lab_clear_ram:

    movai       48 ;0x10--0x3f

    movra       GPR

    movai       0x10 ;first ram addr

    movra       FSR

lab_clear_loop:    

    clrr        INDF

    INCR        FSR

    DJZR        GPR

    goto        lab_clear_loop

LOOP:

    goto        $  

        end