>Now my problem is multiplying by 5 (the height of my fonts)
>This is how I handle the low nybble
>
> and #$0F
> sta temp
> asl
> asl
> adc temp
>
>Is there an easy way to do this to the top nybble?
>at the moment I'm lsr'ing 4 times then applying the same method as above.
The second round could be...
; Think of left nibble as val*16
; So divide by 4 to get val*4
; Store that, then divide by 4 again to get val
; Add to stored value to get (val*4)+val = val*5
and #$F0 ; This is necessary
lsr
lsr
sta temp
lsr
lsr
adc temp
I think the logic is sound.
-Lee
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