Date: Thu, 8 Aug 1996 22:29:21 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: chat@freebsd.org Cc: mrami@mrami.com (Marc Ramirez) Subject: Re: Jump to arbitrary label, intra-function Message-ID: <199608082029.WAA02187@uriah.heep.sax.de> In-Reply-To: <Pine.BSF.3.91.960808142957.9490D-100000@boner.mrami.com> from Marc Ramirez at "Aug 8, 96 02:38:52 pm"
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As Marc Ramirez wrote: > The > problem comes when I try to write JSR/RTS in C. JSR is easy enough; push > the 6507 PC and do a goto; RTS is trickier... how do I translate a 6507 > PC back into a C label? Don't use labels. Either, use C functions directly, or implement a software stack. (If you catch the SIGSEGV, you can even extend the stack dynamically.) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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