From: Groepaz (groepaz_at_gmx.net)
Date: 2003-02-02 16:21:29
> Now I think I found the reason, the following code in the VIC20 (PAL) > KERNAL ROM: .C:fd62 B1 C3 LDA ($C3),Y > .C:fd64 91 C3 STA ($C3),Y > .C:fd66 99 14 03 STA $0314,Y > > This copies some vectors from ROM to RAM, but why does it contain an STA > command back to ROM? I think I'm going to patch this out with two NOPs, and looks to me like either a protection or (more likely) a leftover from developing times.... the c64 kernel has a simelar (the same?...might well be true) problem. -- ___ ___ .___________________ .___________ _______. c=64 / | \| \__ ___/ \ \_ _____/ \ \ [groepaz] gb / ' \ | | | / \ / \ | __)_ / | \ gp32 cgb \ . / | | |/ ' \| \/ | \ psx gba \___|_ /|___| |____|\____|__ /_______ /\____|__ / dc -----\/-----'---------------\/--------\/---------\/ http://www.hitmen-console.org Hitmen WWW Headquarters http://fly.to/hitmen-groepaz my personal playground http://rr.c64.org/silversurfer home of the RR debugger ftp.musoftware.de/pub/groepaz cc65 dump site Message was sent through the cbm-hackers mailing list
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