Grant Searle http://www.searle.wales/ (look for the minimum 6502 section; I can't point there directly) took the listings from Pagetable and edited them to work with ca65. I modified them slightly to work with the a65 assembler I prefer.

edit: https://www.pagetable.com/?p=774
I’m looking for a ...

That code was written for the MACRO-10 assembler, a tool running on PDP-10.

It depends on a macro file not published.

6502 opcodes were implemented as macros. As far as I understand, instructions with multiple addressing modes have multiple names, for instance LDA (absolute?) and LDAI (immediate ...

Anyone ever use AppleWorks Writer? I never used it in anger, but the secretaries and admin assistants at the uni I was at used it way back to ptoduce some fairly large documents... I wonder if there are any technical documents about how that worked internally... Maybe we're re-inventing wheels ...

Hi Gordon,

Linked arrays in different forms are a common solution indeed.

Impressive work on ”Ruby”!

Yep, only storing MSB.

Stefan, I've come up with an extremely similar design, and hadn't noticed this thread. I'm glad it's working out!

An interesting thing is that if you have this block allocation method (which is effectively like a filesystem, but with the ability to shove new sectors into the middle of the "file ...

So, more than an idea or a design, you've implemented it. Marvellous!
Yes, it’s the Nano clone ”X16 Edit” for Commander X16. It’s built into the ROM nowadays.

As pointed out, most of the memory strategy isn’t a unique idea.

If I would start over, I’d like to check how well the piece table ...

Hi,

I know this thread is kind of old, but there’s some recent activity and I find the subject very interesting.

I had thought about this exact problem for years before attempting to write a 6502 based text editor.

It is based on the following model:

- The text buffer is divided into 256 byte ...