I vaguely recall asking a similar question about the 6510 behavior many, many years ago and there was a suggestion of using a single pixel sprite and using the background collision detection with the VIC-II set to bank 0. Could you do similar on a P500 to check? Rob On 16/05/2023 21:44, Ullrich von Bassewitz wrote: > On Tue, May 16, 2023 at 09:17:09PM +0200, Rhialto wrote: >> About the banking of the 6509: If you use the STA (zp),Y instruction to >> the effective address $0000 or $0001, does it store in the banking >> register, or does it store in RAM? > I think there's no way easy way to test this, at least not with a naked 6x0 > because the CPU cannot access the underlying RAM at these addresses. > > Maybe someone with a coprocessor card can run a test? Or someone with a bus > analyzer? I don't know if this has ever been researched. > > Regards > > > Uz > >Received on 2023-05-16 23:00:03
Archive generated by hypermail 2.3.0.