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by NimbyDagda
Fri Nov 25, 2011 7:54 am
Forum: General discussion
Topic: on board (the rpi) software tools.
Replies: 44
Views: 6195

Re: on board (the rpi) software tools.

<t>Quote from hamster on November 25, 2011, 01:43<br/> I'm having and idle day, so this is more chit-chat that anything of substance.<br/> <br/> The ARM Cortex-M3 processor does have hardware divide (2-12 Cycles)...<br/> <br/> <br/> I haven't done anything with the Cortex stuff, so I didn't know tha...
by NimbyDagda
Fri Nov 25, 2011 12:00 am
Forum: General discussion
Topic: on board (the rpi) software tools.
Replies: 44
Views: 6195

Re: on board (the rpi) software tools.

<t>@hamster Yes the changes in CISC design means some of the arguments about why RISC is better disappear, but that hasn't changed what RISC means. And last I checked there is no divide instruction in ARM assembly, it requires at least 10 or so instructions<br/> <br/> @kme no its definitely memory c...
by NimbyDagda
Thu Nov 24, 2011 11:34 pm
Forum: General discussion
Topic: on board (the rpi) software tools.
Replies: 44
Views: 6195

Re: on board (the rpi) software tools.

<t>As far as I was aware ARMs are still RISC. RISC doesn't mean there are less instructions in the instruction set, just that all instructions operate in a single memory cycle, not in large complex cycles like you get for some of the CISC instruction sets.<br/> <br/> PDP-8s had tiny instruction sets...
by NimbyDagda
Tue Nov 22, 2011 1:46 pm
Forum: General discussion
Topic: What did your first programs do?
Replies: 47
Views: 8866

Re: What did your first programs do?

<t>Its a toss up, it was either Logo at school on what I assume was a BBC, I can\'t remember, I know later on we had A3000\'s but not that early. Or it was BASIC on my Spectrum, both were some time near the end of the 80s.<br/> <br/> I then spent most of my time playing around with BASIC writing tex...
by NimbyDagda
Tue Sep 20, 2011 12:39 pm
Forum: Staffroom, classroom and projects
Topic: Building a young programmer community
Replies: 18
Views: 3978

Re: Building a young programmer community

Quote from barnaby on September 16, 2011, 20:41
I envision a forum/communal source code repository with social network tie-ins.

Github then?
by NimbyDagda
Thu Sep 15, 2011 2:16 pm
Forum: Other projects
Topic: How to build an OS
Replies: 12
Views: 4815

Re: How to build an OS

<r>After an Operating System, building compilers is the next hardest thing you can do, followed by designing a language. So I suggest someone attempt to design a new language, with a new compiler on a custom operating system if they want a real challenge <E>:P</E><br/> <br/> Also slightly more on to...

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