Re: branch computation

> Am 13.10.2019 um 22:13 schrieb didier_at_aida.org:
> 
> thanks, it works perfectly

I came up with a shorter version of the range check. The idea is to add $80 before checking just the high byte for zero.

> sec
> lda target
> sbc current
> tax
> lda target+1
> sbc current+1
cpx #$80  ; bit 7 of x reg -> carry
adc #0
bne out_of_range
; offset is in x

Enjoy!
Chriz