On Sun, Apr 7, 2019 at 11:03 PM Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net> wrote: > > Hello Francesco, > > * On Sun, Apr 07, 2019 at 11:13:47AM +0200 Francesco Messineo wrote: > > > Yes, I've read again those threads, so my next question is: what > > changes need to be made to the 2031 firmware to make it write > > compatible with the 4040? Is there a single byte to change to have 10 > > bytes gap like the 4040 does? > > You have to change the INTRA_SECTOR_GAP: > > http://cbmrom.trikaliotis.net/listings/2031-01.lst > > You can find it at $F5DB (F5DA: ldx #INTRA_SECTOR_GAP) and $FD1F (FD1E: > ldx #INTRA_SECTOR_GAP). > > Other than that, you also have to adjust the ROM checksum (at $FF35 in > the 2031 ROM), or disable the ROM selftest. Thanks a lot! I might resume the project at this point. It would be good to have a small drive for the PETs. (and the 1001 is way too pricey). Regards. Frank > > Regards, > Spiro. > > -- > Spiro R. Trikaliotis > http://www.trikaliotis.net/ >Received on 2020-05-29 21:41:43
Archive generated by hypermail 2.3.0.