[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: creating a new Apple IIgs ROM 03 checksum
On Wednesday, April 24, 2013 1:23:21 PM UTC-5, Antoine Vignau wrote:
> I do not know if i understand wrap around correctly but what i can say is: - if you set the data bank with pea plb plbthen you can use the ($) zp addressing instead of the long one. Useful for saving cycles. I am not an orca expert, are long a.m.x etc. sufficient? No need for a REP #$30? Reading code on a smartphone is a nightmare!!! Av
long i,m generates the REP #$30
Larry