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Now it’s two weeks after my first π I thought it safe enough to do some masked shopping (no not that kind π« π€‘ of shopping) in my local town. On my way back I walked through a park, back home to my two feline buddies, still locked up in a cage.
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I had to make a peace offering when locking away my π± darlings for their safety (renovation going on). Unfortunately, one of them canβt have it, since heβs allergic to regular cat food. Luckily, heβs up for cuddling and petting instead.
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I guess I need superior knowledge, not reinvent the wheel. For creating a proper assembler, I need to know how others build those, and better non-fiction writing is a good thing too, since I’ll be communicating to others (including my future self) via code and comments. π¨βπ»
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I find it empowering that one can build somehing useful inside a computer. What I do, I don’t think qualifies as programming, but is more like scripting, using macros, which is useful in its own way, though not as generic as an app on a phone or on the web. Doesn’t need to be. π¨βπ»
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Itβs a bit sad to see my two πββ¬ darlings locked up in a cage, but itβs for the best. My house is being renovated. They complain now and then, begging with all their feline charms to be released. Of course, I tried to make them as comfortable as possible.
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Still two days to go before Iβm partially protected against COVID-19. According to the Dutch CDC (RIVM) most people showed up when it was their turn. No significant political divide on vaccination in the Netherlands so far, despite of a vocal splinter group of pandemic deniers.
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Continuing my 65c02 assembler project in Python 3, with defining “the rules.” Without rules, there’s unruliness, right? π The script still runs. If it wouldn’t have, I could’ve rolled back using the Working Copy app. PS, notice the typo! π¨βπ»
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My π was so terribly slow. I blame it on the sudden rise in outside temperature. Nature was beautiful, though.
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Now I’m (seemingly) successfully able to filter syntax elements into their own tagged bins, now the question arises how to turn that into object code (byte values)? So I still call it version 0.0.1, very premature, possibly, yet again, stillborn. I hope not the latter, though. π¨βπ»
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I have no idea what the best method is to approach an assembler, specifically for the 65c02 CPU. So I scrapped my previous approach and started anew. I also bought the newest version of Pythonista, because the old version crashed too often (new version seems rock-solid). π¨βπ»
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So, version 0.1 of my Python π 65c02 assembler is β I’m sure there are still bugs, but it works. I enter in assembly code and the program stores it in a dictionary object, which could be saved into a file on disk. Not sure when I come to that. First priority is testing the code. π¨βπ»
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πI’m getting closer with my 65c02 assembler in Python. I ripped out the mnemonics processing, which worked perfectly, but was messy code, and got the other stuff to work, like labels, addressing input, program counter manipulation, etc. I also started using the Working Copy app. π¨βπ»
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I haven’t been at my local T+F club since October 2020, while I still pay membership dues. There’s the pandemic, but also the bathrooms (poorly maintained by the owner, the local council) and, on top of that, no one seeming to care about any of the mandatory coronaproof measures.
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I had an off day π Counter 9-in-60 back to zero, because I needed more than an hour to run 9 km. Bummer!
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Okay, it’s still very clunky, but I can (sorta) write in assembler, type the hexcode in HexIt and save the file to my local Commander X16 folder, and it runs! I couldn’t do this before, unless I coded the hexcode by hand, which was rather error-prone. So, yay? π π¨βπ»
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While awaiting the glaziers for replacing some windows, I’ve made progress with my 65c02 Python assembler project. It now creates a list of strings, each with a program counter, a colon, and a series of opcode and operand bytes, all in hex characters and in the proper order π π¨βπ»
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My house is being renovated, so I had to lock up my kitties for their safety. They do not like itβ¦ a bit. They want to roam free in my house, as theyβre used to. Hopefully the cage is strong enough to hold these muscular boys. π±
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I had some great progress on my Python 65c02 assembler project. I have all opcodes tested and can check if an instruction is valid. For instance,
lda 30,yis not a valid instruction, whilelda 30,xis valid. Now it’s up to me to test some instructions. π¨βπ»
