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Forum Index : Microcontroller and PC projects : "The Most Basic Basic Computer"
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vegipete Guru  Joined: 29/01/2013 Location: CanadaPosts: 1122 |
Hackaday has a posting today with the above title. It's an ATMEGA 1284P running Tiny Basic, which is functional but falls far short of what MMBasic running on Maxi, Mini, Micro and other Mites can do. I added a short comment there about 'Mites that others might learn the BASIC path to nirvana. Visit Vegipete's *Mite Library for cool programs. |
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Geoffg Guru Joined: 06/06/2011 Location: AustraliaPosts: 3272 |
With the new PIC32MX170 it would be possible to do the same thing except that it would be running full MMBasic. Ie, a Micromite + composite video + keyboard + 15 I/O pins. All in a single 28-pin chip. The only issue is that I cannot see why it would be needed. The Maximite does a better job in the video output department and a Micromite does a better job as a controller. Geoff BTW, I am still planning a Micromite version of MMBasic (with a much greater memory capacity) for the PIC32MX170. I just need the time. Geoff Graham - http://geoffg.net |
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9501 |
Bring it on, Geoff! 
EDIT: I should clarify that - I mean the 170 MicroMite with the extra memory. Smoke makes things work. When the smoke gets out, it stops! |
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| viscomjim Guru Joined: 08/01/2014 Location: United StatesPosts: 925 |
I second that!!!!!!!! |
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Lou Senior Member  Joined: 01/02/2014 Location: United StatesPosts: 229 |
Geoff, More memory is just what the doctor ordered, Great !! I hope you're having fun on your travels. Does anyone know if the 170 is completely compatible with the 150 for current MicroMite projects ?? If so I will order only 170 chips in the future and upgrade when the new code is ready (only about 40 cents difference in price). Lou Microcontrollers - the other white meat |
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| viscomjim Guru Joined: 08/01/2014 Location: United StatesPosts: 925 |
Hi Lou, I can't remember where in the forum that info is but from what I remember, the 170 is good to go with current code. DigiKey has 244 in stock of the 28 pins at $3.58 for qty 10. Not too shabby. |
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| Lou Senior Member Joined: 01/02/2014 Location: United StatesPosts: 229 |
Thanks Jim, I remember seeing that thread but I don't remember if it was tested and proven correct. If anyone has tried the 170 in place of the 150 and found working 100% please chime in. Thanks, Lou Microcontrollers - the other white meat |
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| WhiteWizzard Guru Joined: 05/04/2013 Location: United KingdomPosts: 2927 |
Hi Lou - CONFIRMED 100% works when replacing a 150 with a 170 (and running the 150 .hex file). I found it easy to program with MPLabX IPE; simply select part number, load hex file, then press the 'Program' button. I am exhausting the last few 150's that were globally available the other week (now got just 14 left) and will then only use the 170s going forward on the 44-pin MicroMite Module. Obviously you don't get the 'extra' memory when doing this with a 170 in place BUT watch this space . . . WW |
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| Lou Senior Member Joined: 01/02/2014 Location: United StatesPosts: 229 |
Thanks Wiz, Will make the switch to the 170's. Microchip has a few of each in stock. Lou Microcontrollers - the other white meat |
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| WhiteWizzard Guru Joined: 05/04/2013 Location: United KingdomPosts: 2927 |
Just found out they don't work - best you or Don or Mick don't buy any  then I won't have another global shortage on my hands again)!!
Only kidding - they are ok; or at least from what I have tested so far. Other BSF members have said the same. I did find one bug but as it turned out, it also occurred on the 150 so Geoff is looking into that one. At only 20 cents more per piece I would recommend everyone moving over to the 170 (but please do leave me some spare at MicroChip). When the 170 .hex file is released then people can have a 'free' memory upgrade (be great if John's firmware programming works on this too for those people without a PicKit3). @ Lou - When can we expect your exciting new 44-pin boards?? WW |
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| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 4004 |
It's built for all PIC32 chips so should work. I don't have a 170 or I'd try it myself. edit: er, will need tweaks for PIC32MZ as I also don't have one!! John |
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CircuitGizmos Guru Joined: 08/09/2011 Location: United StatesPosts: 1427 |
Some Jackass posted: > Micromite basic on PIC32 runs 70!!! times slower than Arduino 328P. The Arduino 328P runs 1000x slower than my PC. But to say that I'd be idiotic in comparing different things. Compiled (Arduino) vs interpreted is comparing apples and oranges. > Single precision float is the only datatype, lot of problems with > conversions and accuracy, not to mention the horrible slow speed. A lot of problems? Few, really. > Very poor functionality for embedded application. Based on what? Your opinion? Certainly not an absolute. > No, shift or rotate functions, YES they recommended writing them in > slow basic, what a joke. A horse walks into a bar. Bartender says "Why the long face?" That's a joke. Few people need shift or rotate. > No direct access to any hardware peripherals, timers etc. Because this is what the product is. Do you have direct access to hardware on a PC? No. Different hardware. Different design/use. > You want functionality or timing in sub milliseconds, FORGET IT! Use what works for you. If it is an Arduino, great. Mature people don't needlessly denigrate one product immaturely like you have. > You want to interface peripherals and devices that original author > does not support, FORGET IT!! Not true and you know it. Does Arduino have built-in support for every peripheral? > BOTTOM LINE, current users appear to be OLD forgotten generation from > 1970’s that are totally ignorant, incompetent and lazy to move to 21st > century. > If you have half a brain, All you can do is throw around insults? So let me suggest something rather insulting to you (original poster): You have the maturity level of a child and bolster your own shortcomings by trashing something you don't like. Good for you. I hope you feel good patting yourself on the back. Or perhaps you have programmed an Arduino to do that for you. Micromites and Maximites! - Beginning Maximite |
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| WhiteWizzard Guru Joined: 05/04/2013 Location: United KingdomPosts: 2927 |
@CircuitGizmos - Please provide a link to the post you refer too!! |
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| CircuitGizmos Guru Joined: 08/09/2011 Location: United StatesPosts: 1427 |
http://hackaday.com/2014/08/19/the-most-basic-basic-computer / Micromites and Maximites! - Beginning Maximite |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9501 |
Jack needs some calm-u tablets.
I agree with all your responses, CG, but was a little disappointed to see that you had not replied there to that nutter, with all your great replies as in your post on the last page of this thread.... EDIT: However, on 2nd thought - perhaps he is a troll? Smoke makes things work. When the smoke gets out, it stops! |
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| CircuitGizmos Guru Joined: 08/09/2011 Location: United StatesPosts: 1427 |
I've learned that there are trolls on Hack a Day. Nothing I can say will pull his head out of his jack. :-) Micromites and Maximites! - Beginning Maximite |
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Gizmo Admin Group Joined: 05/06/2004 Location: AustraliaPosts: 5111 |
Yep Jack is a troll. Seen the same sort of thing on Whirlpool forums quite often. As soon as you mention a "older" language, people like Jack have a rant. Very immature and shows a lack of experience in real world situations. The best time to plant a tree was twenty years ago, the second best time is right now. JAQ |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9501 |
@ CG - I guess a case of "Don't feed the troll" then.  Smoke makes things work. When the smoke gets out, it stops! |
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vasi Guru Joined: 23/03/2007 Location: RomaniaPosts: 1697 |
Well, @Jimbo said it well. Almost Gizmo style  ...
Although, the child can flash the LED with Arduino IDE (I suppose it is installed already in the computer's school/workshop by the teacher) in the time required by compiling the sample and uploading it to the board. Anything else is true and in MicroMite's advantage. We can finally have the best micro for teaching at an unbeatable price. Anyway, for MX170 I would really love to have a bytecode compilation, providing us with a better execution speed and preventing others to badmouth the project. In a .hex file upload-able with Pickit2 and Pic32prog. ____________ BTW, anyone at Sydney Maker Faire with a micromite based project? Hobbit name: Togo Toadfoot of Frogmorton Elvish name: Mablung Miriel Beyound Arduino Lang |
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| WhiteWizzard Guru Joined: 05/04/2013 Location: United KingdomPosts: 2927 |
Wizzard style actually . . . . . . 
WW (aka Jimbo!!) |
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