Simple:

mov a,binval ;a=value
mov b, #064h ;b=100
div ab ;divide value by 100
mov r0,a ;hundreds digit is in r0
mov a,b ;remainder in a
mov b,#0ah ;b=10
div ab ;divide by 10
mov r1,a ;tens digit is in r1
mov r2,b ;units digit is in r2

I don't think there's any simpler way of doing this :D
Kundi