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YAUT
Life should not be a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming βWow! What a Ride!" - Hunter S Thompson - RIP
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Why is "AB" a sailor?
Happiness will never come to those who fail to appreciate what they already have. -Anon
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I see...
Thanks 
Happiness will never come to those who fail to appreciate what they already have. -Anon
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ChandraRam wrote: I see sea...
FFY
"In testa che avete, Signor di Ceprano?"
-- Rigoletto
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Exactly what my Dad would have said
Happiness will never come to those who fail to appreciate what they already have. -Anon
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Originally an abbreviation for 'Able Bodied', which meant fit to be sent up into the rigging in the days of sail.
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#Worldle #214 5/6 (100%)
π©π©π¨β¬β¬β‘οΈ
π©π¨β¬β¬β¬βοΈ
π©π¨β¬β¬β¬βοΈ
π©π©π©β¬β¬β¬οΈ
π©π©π©π©π©π
https://worldle.teuteuf.fr
"If we don't change direction, we'll end up where we're going"
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#Worldle #214 2/6 (100%)
π©π©π©β¬β¬β¬οΈ
π©π©π©π©π©π
https://worldle.teuteuf.fr
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I don't do worldle often ... but when I do, I seem to get lucky!
#Worldle #214 1/6 (100%)
π©π©π©π©π©π
https://worldle.teuteuf.fr
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Second guessed myself on that first try:
#Worldle #214 2/6 (100%)
π©β¬β¬β¬β¬βοΈ
π©π©π©π©π©π
https://worldle.teuteuf.fr
TTFN - Kent
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Wordle 430 4/6
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β¬π¨β¬β¬π©
β¬π©π©π©π©
π©π©π©π©π©
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Hah!
Wordle 430 3/6
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β¬π¨β¬β¬π©
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"If we don't change direction, we'll end up where we're going"
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Wordle 430 3/6
β¬β¬β¬β¬π¨
β¬π©π©π©π©
π©π©π©π©π©
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Wordle 430 6/6
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π©π©β¬π©π©
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Wordle 430 4/6
β¬β¬β¬β¬🟨
🟨🟩β¬β¬β¬
β¬β¬β¬β¬β¬
🟩🟩🟩🟩🟩 bit of a lucky leap
Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012
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Wordle 430 5/6
β¬β¬β¬π¨π¨
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π©π©π©π©π©
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Close ...
Wordle 430 5/6
β¬β¬π¨β¬π¨
π¨π©β¬π©β¬
β¬π©π¨π©β¬
π©π©β¬π©π©
π©π©π©π©π©
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Wordle 430 4/6*
β¬β¬β¬π©β¬
β¬β¬β¬π©π©
β¬β¬π©π©π©
π©π©π©π©π©
Happiness will never come to those who fail to appreciate what they already have. -Anon
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Wordle 430 5/6
β¬β¬β¬π¨β¬
β¬β¬β¬π¨π¨
π¨π¨π¨β¬β¬
β¬π©π©π©π©
π©π©π©π©π©
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Wordle 430 3/6
β¬β¬π¨β¬π¨
π¨β¬π¨β¬π©
π©π©π©π©π©
Life should not be a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming βWow! What a Ride!" - Hunter S Thompson - RIP
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Wordle 430 5/6*
β¬β¬π¨β¬β¬
β¬π¨β¬π©β¬
β¬π©π¨π©β¬
π©π©β¬π©π©
π©π©π©π©π©
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Wordle 430 5/6
β¬β¬β¬🟨β¬
🟨β¬β¬🟩β¬
β¬🟩β¬🟩β¬
β¬🟩🟩🟩β¬
🟩🟩🟩🟩🟩
Get me coffee and no one gets hurt!
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Wordle 430 5/6
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too many choices
"A little time, a little trouble, your better day"
Badfinger
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There was not much left to be learned and it's time to build ZwΓΆlf 02. This time around we are going to have 64k RAM and 32k EEPROM, as well as the first I/O devices like a IDE port with up to two storage devices that support the old 8 bit mode. For starters, I have two 8 gb compact flash memory cards. ZwΓΆlf 02 is going to have two 'SSDs' with a total 16 gb of storage space. A lot for a humble 8 bit computer.
Ahh, and my little 1802BCE has maxed out at 7.39 MHz at VCC = VDD = 5V. The only way to reach more is to raise VDD (the processor's core voltage) to up to 10V. Overclocking the 1802 works exactly like overclocking a much more modern processor. But I doubt that I will ever go there. It's very easy to kill the processor and I don't want to have any active or passive cooling. Besides that, further on I will also have to take care of more periphery and the I/O devices may have problems keeping up with the processor. For example, a TMS9918 graphics chip only worked with a CDP1802 up to 4 MHz and I'm already going twice as fast. At the moment my only option left is the MC6847, which makes my eyes bleed.
Hardware work to do: Finish wiring everything up on the breadboard. I swear, it's the last time I will do that on a breadboard. ZwΓΆlf 03 with megabytes of RAM will get a real circuit board.
Programming work to do: I need drivers to access the memory card(s) (actually already finished) Ancient file systems like CP/M can't handle 8 gb storage space and that's be far not the biggest memory card around. And I might also want to stay compatible to a PC to make transfering files a little easier. FAT16 seems barely up to the job, so will I really have to go all the way and at least use FAT32 on a 8 bit computer? Has anybody here ever messed with something like that?
Am I happy when all this is over and everything is ready for ZwΓΆlf 03. Then I can concentrate on the memory expansion, wich will not be very gard on the hardware side. it's just more of the stuff that I already designed for ZwΓΆlf 02. On the software side it's going to be another story.
It's a good thing that the CDP1802 does not have any CALL or RETURN instructions. You have to use simple procedures to implement a more elaborate calling convention. And elaborate it is already. Actual memory addresses are not needed anymore to call a routine and there are two stacks, a call stack and a parameter stack. The only thing still missing is to extend the whole thing to support my simple 'MMU' and I can call any routine that has been loaded into any 48k memory page without knowing its memory address, nor the page to which it has been loaded.
The code gets portioned into modules, like DLLs, and I have trouble forcing traditional assemblers to generate that kind of code with possible external references, dependencies and not knowing actual addresses. And a higher level language for the more complicated stuff would also be nice. We have a C compiler, but it also is rooted firmly in the old memory model. So I picked a flavor of FORTH if I will have to implement it myself. The 1802 and FORTH are old friends. Just ask the Galileo space probe. But let's forget the whole FORTH as an OS and also the interpreter stuff. Let's implement it as a cross compiler on the PC. I think I will not call it FORTH. Maybe ZWΓLFTH.
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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