Path: csiph.com!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: mmphosis Newsgroups: comp.sys.apple2.programmer Subject: Re: Activating Soft-Switches in Assembly Date: Thu, 31 Mar 2016 16:07:08 -0000 (UTC) Organization: Mac GUI Lines: 7 Message-ID: References: <634b1674-1319-4795-b04c-37e52130c2b0@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 31 Mar 2016 16:07:08 -0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="ac9e0e4d7dd3957fb97803ee6801bab8"; logging-data="23131"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18Z+TV7P++SQY1Jj8D7VuTZ" User-Agent: Mac GUI Usenet In-Reply-To: Cancel-Lock: sha1:ZLyzN3BTodzvQ5YNFJ7+LlGZpTA= Xref: csiph.com comp.sys.apple2.programmer:2629 D Finnigan wrote: > Don't try to JMP or JSR to the soft switch location, because there's no > valid instructions there for the 6502 to execute. HGR2:HPLOT0,0:POKE28,96:CALL62454:CALL49233