jpoc: Just a few random observations for you. (Background - I have been working in IT for over 30 years mostly as an indy contractor and I have worked for many of the biggest names in the business. I am a developer and I have been involved in recruiting for dev roles too.)
If you try to get work as a developer, you will find that your age is working against you. Recruiters expect junior programmers to be in their early to mid twenties. That is not to say that it is impossible but I am trying to give you a heads up.
The role in IT that is most suited to folks on the Autism spectrum is testing. In Europe there are test houses that actively seek out aspies for these roles. Testing may not be glamorous but that has its advantages when it comes to applying for - and getting - jobs.
Your current experience may be enough to get you work for a company that needs a junior test engineer.
Employers like qualifications from traditional universities. Qualifications from other bodies are much less likely to be valued.
Recruitment companies are only interested in people who they can place for a large fee and that means people who are hard to find and who will be paid a lot of money when they are employed.
Very few employers will be prepared to pay a recruitment company thousands of dollars for a junior developer with no experience because all they have to do is contact a uni careers office and they will be flooded with applications.
So does my incomplete university study really have 'non-committed dropout quitter' written all over it, or have the mists of time buried it? As mentioned earlier, I've looked at cross-crediting to Massey and decided it's not worth it. I should add that my hand was forced when I attempted to cross-credit to other institutions after flunking out of Otago years back, all the options were rejected by Otago because of the offending paper's specialist nature and equipment, which also precluded any possibility of it being offered extra-murally. It might as well have been taught by Mickey Mouse and still be called information science.
My brother-in-law never finished university, and set up his own web hosting business, with the associated experience in Web coding. He was in his early 30s when he landed a plum job as a Web dev at a major bank, and he's never looked back. So there might still be hope. Still, testing looks an option - it could tap into my written communications experience, and I know that I can write better than I can speak.