Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!lavaca.uh.edu!menudo.uh.edu!sugar!peter From: peter@sugar.hackercorp.com (Peter da Silva) Newsgroups: comp.sys.amiga.tech Subject: Re: Assembler Programming - Costs versus Benefits Message-ID: <7167@sugar.hackercorp.com> Date: 30 Nov 90 12:54:20 GMT References: <1990Nov25.040121.10773@zorch.SF-Bay.ORG> Organization: Sugar Land Unix - Houston Lines: 17 In article , cedman@golem.ps.uci.edu (Carl Edman) writes: > Amiga OS has been written in a way which is compatible > with higher processors, ST OS hasn't. User programs for the ST should > run unmodified under higher processors. Um, no. It seems the ST operating system interface includes a bunch of calls made by using reserved opcodes. Which turned into real opcodes on the 68020. Big mistake. If it was just O/S internals stuff they could have fixed it by now. In any case, none of it was necessary. > And intuition.library does not screen you from any processor > incompatibilities. No, but high level languages do. Try doing "move SR,ea" in C some time. -- Peter da Silva. `-_-' .