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Forum Index : Microcontroller and PC projects : MMBasic for Linux (a possiblity - don't get too excited)
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Mixtel90 Guru  Joined: 05/10/2019 Location: United KingdomPosts: 5735 |
I keep intending to have another go at C. I got sort of half way at one time with a small C on the Atari ST and I've played with an Arduino a bit, but I've never got to the point where I can really do anything without having to keep referring to some sort of reference. It's powerful but I find it extremely annoying and confusing at the moment. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
Way to burst my balloon  , but "yes", it's been a while (I'm more Java these days) and it was never particularly low-level stuff.I had already located the GCC flag in question, -funsigned-char Best wishes, Tom Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
Hi folks, I've spoken with Geoff and received his blessing, so assuming Peter raises no objections to me cribbing from his code all systems are go; so far it's not even proving all that difficult as in most cases Geoff's DOS/Windows code just needs a little nudge and elsewhere Peter's CMM2 code also basically "just works". I've already got Z-MIM working and that's relatively demanding of the MMBasic language ... it won't work on the DOS/Windows version for a start. Video: https://www.youtube.com/watch?v=Mfcxq_whYpE Screenshot:  The observant will note: 1. When I type a command into the MMBasic prompt it is being echoed back, that's because to get something running quickly I'm still using the terminal in "cooked" mode. 2. At the end of the video you can see that the MMBasic timer isn't working properly; it's not really taking 2 seconds per Z-machine instruction. Best wishes, Tom. Edited 2021-08-23 02:18 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 5735 |
That's looking very promising. Nice one! :) Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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panky Guru Joined: 02/10/2012 Location: AustraliaPosts: 1095 |
Well done Tom. I am very interested in your project. I am running Mint20.2 and am still learning although I am starting to get comfortable with the command line. If you want a tester, I would be happy to assist in any way I can. Regards, Doug. ... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it! |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
Thanks for the offer Doug. Despite what I have demoed so far, I am still some way off being able to release an alpha version for testing. I don't want to do so prematurely for fear of bug reports distracting me from filling in the larger missing pieces. Best wishes, Tom Edited 2021-08-23 16:12 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3016 |
Do you have any interest in an MMBasic debugger? I have working, but incomplete, code for DOS MMBasic which has shifted to a back burner. It takes about 6 lines of code added to Geoff's code for hooks (in addition to the C code for the debugger itself). I'd be happy to give you the code. It has helped to find some deeply hidden MMBasic bugs in my code. It has single-stepping, breakpoints, and display of variable values (but not thoroughly worked out for variables in subroutines). Next on my list for it was break-on-value. Geoff approved of its development. The debugger outputs via serial to another PC (or, in theory, to the same PC, though I haven't tested that).  (Then the question would be, how readily can the linux version be transferred back to DOS.) (And bearing in mind the desire not to have forks.) PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
Duplicate double post deleted. Edited 2021-08-24 22:22 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
Hi @lizby, it's not that I'm disinterested, but my plate is thoroughly overflowing at the moment. Get back to me if/when I have 64 and 32 bit Linux ports of MMBasic "published". Once I have the Linux version beaten into submission I don't think a back port to "DOS" would be too difficult. However as above, it and any surrounding discussion as to the desirability can definitely wait. Best wishes, Tom Edited 2021-08-24 02:52 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9066 |
C and me had something of a hate/hate relationship that I have never recovered from. Much happier am I, writing in a 2nd level language. After a few tries at something basic(no pun intended) such as blinking an LED on and off, it was a case of "C ya later!" I have enormous respect for anyone who can write in C and it seems like it is nothing to them. Geoff, Peter, Rob(ert Rozee) - now Tom....  Apologies to anyone who is a master of C that I am not aware of on this forum. Smoke makes things work. When the smoke gets out, it stops! |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3016 |
Tom--out of curiosity, are you aiming ultimately for a command-line version like DOS MMBasic, or a graphical version like the Picromite? PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
My initial goals are a console/terminal (which is what I guess you mean by command-line) version for Linux 64 & 32 bit (including Raspberry Pi) with MMBasic language compatibility with the CMM2 excluding VGA graphics, sound, hardware comms and the like. Basically something that will run all my CMM2 programs: Z-MIM, SAAINT, Yellow River Kingdom and SPTools (including my unit-test framework). Wild speculation follows: Ultimately it would be nice to have at least serial comms support and graphics and sound using SDL (or possibly something like Allegro - thanks @JohnS). Note that wrt graphics I'm talking about an implementation of the same API as the CMM2 not an emulation, so if a CMM2 program achieves graphics by poking at the video memory it wouldn't work in my proposed Linux version. CSub/Function support if I ever got that far would be through dynamic loading of shared objects rather than the CMM2's and other 'mites use of embedded binary code. Reality intrudes: But I'm a long way from that and might still grind to a halt before even the basics are done - currently I have more time than usual because I am on holiday but soon I'll be back to only a snatched hour an evening. Thanks for taking an interest, Tom Edited 2021-08-24 23:08 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3016 |
And pin control and I2C, I hope. Very interested indeed. Hope you find the time and don't hit roadblocks. I'd also offer to alpha-test if you get Geoff's and Peter's permission to share code. This on a Pi-ZW would fill an MMBasic gap that the lapsing of the Picromite has left. I do love embedded MMBasic, but there's something to be said for MMBasic on an OS platform with full access to control of pins (and wifi included). PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
OK, my aim is not to fill the hole left by the PicRoMite and support the Raspberry Pi GPIO, though perhaps in time and with help that might happen. Quoting my first post in this thread "to be honest if Peter with all his hardware/electronics experience can't get it [the PiCroMite] to work I don't see muggins succeeding." Both Geoff and Peter have given their blessing, though Peter has asked for his name to be removed from the (c) message in the banner so as not to sully his good name with Linux associations  .If/when I get to that point I'll probably post the alpha publicly on TBS like Peter did with the Picomite. Best wishes, Tom Edited 2021-08-25 00:36 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3016 |
[niggle]It's not a Pic+Micromite basic, but a Pi+Micromite basic, so a PiCromite[/niggle] ;-} PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3848 |
But it's the "r" that is the distinguishing letter between Picomite and Picromite. To make matters even more confusing BigMik has a tiny PCB breakout board carrying the SMD MX170 which of course he called the Picomite before the Raspberry Pico even existed  .Best wishes, Tom Edited 2021-08-25 01:53 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3016 |
Actually by "command-line" I meant headless with an ssh connection. But I think we're talking about the same thing. PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 5735 |
At the moment anyway it seems to be "MMBasic for linux" - not for the RPi. That has a version, albeit discontinued. If Tom's port will run on the Pi then that's fine, but I don't think that's Tom's target hardware in particular and, personally, I'd be happy to sacrifice Pi compatibility if it means that "normal" distros work. Control of the serial port should be sufficient for most purposes, if that can be attained without having to run as root all the time. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3016 |
I'm afraid I don't understand that. I'm running Buster and Stretch on R-Pi ZWs, and just about everything I know Linux (and I'm no guru, but always work from the command line) works on the Pi. Not to mention that I thought Tom's not-Windows preferred device was a Pi. PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed |
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| toml_12953 Guru Joined: 13/02/2015 Location: United StatesPosts: 326 |
If he makes it run on Debian-based ARM linux, then it should run on both linux and Raspberry Pi OS. If it runs on Debian at all, it should be a simple recompile for x86 and ARM. |
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