Search found 5 matches

by 68k-dude
Tue Oct 22, 2013 11:03 pm
Forum: Hardware
Topic: LJ Electronics Emma 2
Replies: 39
Views: 9360

Re: LJ Electronics Emma 2

It has been a while since making the original post.

Firstly. Many apologies to cheekyfox. Sorry for not contacting you or acknowledging your post. I offer this bitter explanation as to my absence.

My current employer has this year repeatedly left on extended holidays to Russia. When I say ...
by 68k-dude
Mon Jan 07, 2013 6:45 pm
Forum: Hardware
Topic: LJ Electronics Emma 2
Replies: 39
Views: 9360

Re: LJ Electronics Emma 2

Hello clockpulse and GARTHWILSON

Thanks for the replies.

This was exactly the stuff I was after. Some useful frequently called routines that would save loads of space inside my programs. The links were awesome. I have loads of ICs kicking around my house. I was about to sort out the interfacing of ...
by 68k-dude
Sun Jan 06, 2013 8:23 pm
Forum: Hardware
Topic: LJ Electronics Emma 2
Replies: 39
Views: 9360

Re: LJ Electronics Emma 2

I have been looking into the monitor rom from the Emma 2. It has a contiguous gap of 330 bytes that is address decoded. I was hoping to find some space in there for some of my own routines but I wasn't expecting that much.

So far these routines have been mentioned in the manual.

Data Insert ...
by 68k-dude
Sat Jan 05, 2013 6:00 pm
Forum: Hardware
Topic: LJ Electronics Emma 2
Replies: 39
Views: 9360

Re: LJ Electronics Emma 2

Hello GARTHWILSON

Thanks for the reply. The links you provided have yielded many useful articles and programs.


Re: Monitor Rom

Upon receiving the boards I unboxed the first to find it scavenged for parts. My heart sank badly when I noticed the Monitor Rom was missing. I franticly unboxed the ...
by 68k-dude
Sat Jan 05, 2013 2:16 am
Forum: Hardware
Topic: LJ Electronics Emma 2
Replies: 39
Views: 9360

LJ Electronics Emma 2

I went on ebay and I bought two of these as spares or repairs. There should be a reasonable picture of one with a "Switched Fault Unit" as an attachment. After some work they both operate. Well, they run code from rom and display memory contents etc. I have yet to fully test them. They had been ...