On Freitag 25 September 2009, Thomas Giesel wrote: > > yes, old kernals fill the colorram with the value taken from $d021, > > new kernals fill it with the value from $0286. > > There's even more, see > http://zimmers.net/anonftp/pub/cbm/firmware/computers/c64/revisions.txt yes but honestly, i have written tons of programs back in the days, and the colorram is the only issue you have to keep in mind :) > "$E57C-$E599: (compute screen address)" looks suspicious. Yesterday I > found out that putchar overwrites I/O memory beyond the color RAM. > Possibly it's used out of screen bounds accidently, I'm still searching > for the issue. And this wouldn't explain why it doesn't work with 02. are you sure that you dont print beyond the bottom right corner ? then putchar will happily write god knows where - that is expected behavior. -- http://www.hitmen-console.org http://magicdisk.untergrund.net http://www.pokefinder.org http://ftp.pokefinder.org Für den Ingenieur kann jegliche Materie des Universums einer von zwei Kategorien zugeordnet werden: (1) Dinge, die repariert werden müssen, und (2) Dinge, die repariert werden müssen, nachdem man ein paar Minuten lang damit gespielt hat. <Scott Adams> ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo@musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.Received on Fri Sep 25 20:00:25 2009
This archive was generated by hypermail 2.1.8 : 2009-09-25 20:00:27 CEST