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Following up my own post, it looks like the 2K Symbolic Assembler for the KIM-1 that is described here http://www.6502.org/source/monitors/2ksa.pdf could be a good candidate for porting. Anyone tried this?
by Kallikak
Feb Mon 13, 2006 5:27 am
 
Forum: Software
Topic: Assembler/Disassembler that can run on the Replica 1?
Replies: 5
Views: 10437

Thanks for the comments Vince. I don't have any fancy equipment, but using my magnifying glass and a multimeter, I've checked the connections as best I can, and they all seem fine. I certainly could simply resolder, but I'm reticent to just do it as a matter of course because I am also concerned abo...
by Kallikak
Feb Mon 13, 2006 5:23 am
 
Forum: replica 1 General Discussion
Topic: It works!
Replies: 6
Views: 11709

It's been discussed in this thread: http://www.brielcomputers.com/phpBB2/viewtopic.php?t=28

I'm powering mine with a mobile phone charger and a little voltage regulator circuit built using an LM7805 IC. Much more convenient than a whopping great AT power supply! :)
by Kallikak
Feb Mon 13, 2006 1:05 am
 
Forum: replica 1 General Discussion
Topic: Power supplies
Replies: 4
Views: 10347

Assembler/Disassembler that can run on the Replica 1?

Is there an Assembler/Disassembler that can run on the Replica 1? It seems there is plenty memory for a fairly rudimentary one, and it would be nicer than having to cross assemble. It could even be put in the ROM with Basic. :) If there is none, I might make writing one as my first project... Ken
by Kallikak
Feb Sun 12, 2006 3:03 pm
 
Forum: Software
Topic: Assembler/Disassembler that can run on the Replica 1?
Replies: 5
Views: 10437

OK - I can easily get used to that. Something else is a bit odd though. When I power on and hit reset, about 50% of the time the (PS/2) keyboard characters are messed up (i.e. the characters appearing on the screen are not the one's I am typing). I read another thread here (http://www.brielcomputers...
by Kallikak
Feb Sun 12, 2006 2:59 pm
 
Forum: replica 1 General Discussion
Topic: It works!
Replies: 6
Views: 11709

Yes, I understand about the backspace on the original Apple, but I thought the underscore should appear when I hit the backspace key, rather than having to actually type an underscore.
by Kallikak
Feb Fri 10, 2006 4:24 pm
 
Forum: replica 1 General Discussion
Topic: It works!
Replies: 6
Views: 11709

It works!

After spending an hour or two on each of the previous two nights soldering, I finally built up the courage to plug my Replica 1 in, and it works! Fantastic! :D One strange thing is my backspace key is not working - I have to actually type the '_' to get backspace. Is this expected behaviour? I'm usi...
by Kallikak
Feb Fri 10, 2006 8:01 am
 
Forum: replica 1 General Discussion
Topic: It works!
Replies: 6
Views: 11709
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