🚀 go-pugleaf

In article <CEDMAN.90Nov28142350@lynx.ps.uci.edu> cedman@golem.ps.uci.edu (Carl Edman) writes:
> A correct 68000 program runs unchanged on a 68030.

Ah, then explain why Atari ST programs don't run on a 68020. There are lots of
instructions that work differently between the 68000 and 68030, and any program
that uses them will behave differently on different machines. Oh, you can say
"but those aren't correct 68000 programs", which is all well and good but in
the real world these instructions exist and are percieved as being useful to
the sorts of folks who write manic games in assembler.

Basically, writing a portable program is harder the lower the level you write
the program at. If you do everything through intuition in C, you're unlikely
to cause headaches for Amiga 3000 users. If you do everything in assembly, it's
a lot harder to keep all the differences between the different processors
straight... because they become exposed to the programmer.

I'm not saying "it's impossible to write a portable 68000 program in assembly",
but rather "it's a whole lot harder to write one". Quit with the theoretical
BS and look at the real world.
-- 
Peter da Silva.   `-_-'
<peter@sugar.hackercorp.com>.