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Forum Index : Microcontroller and PC projects : MMBasic for Windows - betas
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| Pluto Guru  Joined: 09/06/2017 Location: FinlandPosts: 358 |
After all it is up to anyone of us here on the forum to follow the developments and eventually learn something new or to do something else. I am personally not in any means an expert in microcontrollers or programming, but I have found the MMBasic to be an interesting, userfriendly and stright forward environment for many (in my eyes) interesting projects. Idea to functioning gadget in a few minutes...to hours. Something I could not even think about with other programming environments that I am aware of. Prior to MMbasic I used Flowcode, which I immediately skippped after getting to know MicroMite. Furthermore MMBasic is free of charge with extremely rapid response from "customer service".  I have only been a member for a few years. I admit that I might have missed some earlier membership requirements about required professionalism and competence for being here. Sorry for that! |
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| Andrew_G Guru Joined: 18/10/2016 Location: AustraliaPosts: 847 |
For Peter, A trivial glitch but missing a closing " when printing text appears to not throw up an error (and I can't see how MMBasic could tell it was an error rather than intended, unless it counted "s in each line?). eg: PRINT "Text prints: Text Only really an issue in say: PRINT "Text, A, B, C which prints: Text, A, B, C Where you might want to print the values of A, B & C Cheers, Andrew |
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Turbo46 Guru Joined: 24/12/2017 Location: AustraliaPosts: 1611 |
I think that is a general MMBasic 'feature'. I've seen it in other people's programs before and just tested it on the original MMBasic for windows and on a Micromite. Bill Keep safe. Live long and prosper. |
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| Andrew_G Guru Joined: 18/10/2016 Location: AustraliaPosts: 847 |
Thanks Bill, Yes it is probably something to watch out for rather than leaving it to MMBasic. I've packed my 'mites away so I can't test but I suspect that MMEdit, which I use a lot, catches it before it gets to MMBasic. Cheers, Andrew |
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| Turbo46 Guru Joined: 24/12/2017 Location: AustraliaPosts: 1611 |
Well MMEdit certainly makes it look more obvious. Bill Keep safe. Live long and prosper. |
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phil99 Guru Joined: 11/02/2018 Location: AustraliaPosts: 2135 |
If memory serves, this has always been the case in all versions. If you omit the closing " it is assumed to be at the end of the line. |
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Geoffg Guru Joined: 06/06/2011 Location: AustraliaPosts: 3194 |
This has been a "feature" of MMBasic since the early days. The interpreter knows that all quotes must be closed and if it has not detected the closing quote at end of line it will insert it for you. From what I can remember Peter had to remove that function from the CMM2 version for some reason but it is in almost every other version. It was intended as a convenience feature but, as you point out, it can lead to confusing behaviour. Geoff Geoff Graham - http://geoffg.net |
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| Turbo46 Guru Joined: 24/12/2017 Location: AustraliaPosts: 1611 |
Maybe but easy enough to sort out. Bill Keep safe. Live long and prosper. |
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| Andrew_G Guru Joined: 18/10/2016 Location: AustraliaPosts: 847 |
Thanks Geoff, Bill, Phil - yep MMBasic can only do so much hand-holding - we have to be trusted to check some things . . . Cheers, Andrew |
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thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4042 |
Good morning Peter, The unit-tests are looking good: > *sptest Building list of tests ... Executing tests ... C:\home-thwill\git_sandbox\github\cmm2-saaint-public\src\tests\tst_interp.bas --all PASS (27/27) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\gonzo\tests\tst_console.bas --all PASS (3/3) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\gonzo\tests\tst_console.bas --all --base=1 PASS (3/3) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\spflow\tests\tst_cmdline.bas --all PASS (10/10) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\spflow\tests\tst_options.bas --all PASS (6/6) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\spflow\tests\tst_process.bas --all PASS (4/4) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_array.bas --all PASS (8/8) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_array.bas --all --base=1 PASS (8/8) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_bits.bas --all PASS (3/3) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_bits.bas --all --base=1 PASS (3/3) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_crypt.bas --all PASS (9/9) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_crypt.bas --all --base=1 PASS (9/9) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_file.bas --all PASS (17/17) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_file.bas --all --base=1 PASS (17/17) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_inifile.bas --all PASS (6/6) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_inifile.bas --all --base=1 PASS (6/6) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_list.bas --all PASS (12/12) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_list.bas --all --base=1 PASS (12/12) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_map.bas --all PASS (14/14) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_map.bas --all --base=1 PASS (14/14) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_math.bas --all PASS (1/1) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_math.bas --all --base=1 PASS (1/1) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_set.bas --all PASS (11/11) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_set.bas --all --base=1 PASS (11/11) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_string.bas --all PASS (10/10) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_string.bas --all --base=1 PASS (10/10) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_system.bas --all PASS (5/5) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_system.bas --all --base=1 PASS (5/5) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_vt100.bas --all PASS (3/3) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\splib\tests\tst_vt100.bas --all --base=1 PASS (3/3) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\sptrans\tests\tst_cmdline.bas --all PASS (16/16) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\sptrans\tests\tst_lexer.bas --all PASS (22/22) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\sptrans\tests\tst_options.bas --all PASS (11/11) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\sptrans\tests\tst_pprint.bas --all PASS (20/20) C:\home-thwill\git_sandbox\github\cmm2-sptools\src\sptrans\tests\tst_trans.bas --all PASS (5/5) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_call.bas --all PASS (2/2) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_call.bas --all --base=1 PASS (2/2) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_data.bas --all PASS (8/8) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_data.bas --all --base=1 PASS (8/8) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_file_fns.bas --all PASS (16/16) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_file_fns.bas --all --base=1 PASS (16/16) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_fundamentals.bas --all PASS (5/5) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_fundamentals.bas --all --base=1 PASS (5/5) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_inc.bas --all PASS (8/8) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_inc.bas --all --base=1 PASS (8/8) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_json.bas --all PASS (1/1) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_json.bas --all --base=1 PASS (1/1) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_longstring.bas --all PASS (20/20) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_longstring.bas --all --base=1 PASS (20/20) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_math.bas --all PASS (21/21) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_math.bas --all --base=1 PASS (21/21) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_memory.bas --all PASS (13/13) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_memory.bas --all --base=1 PASS (13/13) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_mminfo.bas --all PASS (29/29) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_mminfo.bas --all --base=1 PASS (29/29) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_peek.bas --all PASS (10/10) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_peek.bas --all --base=1 PASS (10/10) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_poke.bas --all PASS (7/7) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_poke.bas --all --base=1 PASS (7/7) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_simple_maths_fns.bas --all PASS (9/9) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_simple_maths_fns.bas --all --base=1 PASS (9/9) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_sort.bas --all PASS (20/20) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_sort.bas --all --base=1 PASS (20/20) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_static.bas --all PASS (1/1) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_static.bas --all --base=1 PASS (1/1) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_strings.bas --all PASS (5/5) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_strings.bas --all --base=1 PASS (5/5) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_system.bas --all'foo bar' 'foo' is not recognized as an internal or external command, operable program or batch file. PASS (10/10) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_system.bas --all --base=1'foo bar' 'foo' is not recognized as an internal or external command, operable program or batch file. PASS (10/10) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_time_fns.bas --all PASS (8/8) C:\home-thwill\git_sandbox\github\mmb4l-src\tests\tst_time_fns.bas --all --base=1 PASS (8/8) Total execution time: 10 s Hopefully I can persuade you to try and deal with the "mess" at the bottom (only appears on the "serial" console), but you probably aren't that bothered since it is coming from the SYSTEM command. Try this: > list "system_bugs.bas" Option Console Both Dim s$ ' SYSTEM capture with a string (but not longstring) variable ' appends an unexpected 0 to the result. System "echo 'foo bar'", s$ Print Len(s$) " should be 11" Print Peek(Var s$, 10) Peek(Var s$, 11) Peek(Var s$, 12) ' SYSTEM with an unknown command doesn't report an error that the user can ' see/capture, though it does dump an error message to the serial console. s$ = "" On Error Clear On Error Skip 1 System "no-such-command", s$ Print "Mm.ErrMsg$ = " Choice(Mm.ErrMsg$ = "", "<none>", Mm.ErrMsg$) Print "Mm.ErrNo = " Mm.ErrNo ' On my system this outputs {'}, where is the apostrophe coming from? Print "{" s$ "}", Len(s$) > run "system_bugs.bas" 12 should be 11 10 13 0 'no-such-command' is not recognized as an internal or external command, operable program or batch file. Mm.ErrMsg$ = <none> Mm.ErrNo = 0 {'} 1 1. In my opinion at the very least the unexpected '0' in the captured string output from SYSTEM should be dealt with. 2. Can I try and persuade you again to trim the CRLF from the captured output ? This will be the last time I ask. On a completely unrelated matter if MMB4W's primary purpose is as a "simulation" of the CMM2 - and I think that is an eminently sensible and worthwhile purpose - then is there any chance you can be persuaded to do something about supporting (ignoring?) the MAP command as pretty much all of the graphical examples on The Welcome Tape fall-over because it's an unrecognised command. Best wishes, Tom Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 9122 |
Tom Thanks for the testing. 1. will fix I though you changed your mind on this? What about embedded CR/LF as in "DIR"? Don't know how to do this. _popen returns a valid address and errno isn't set even when the command is invalid I've thought about this and didn't see an easy way of doing it - will have another think |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4042 |
Hi Peter, I changed MMB4L so that it will just remove any final trailing CR, LF or CRLF pair. It doesn't trim anything else, embedded or otherwise. Check the return value from _pclose(). You might also want to consider automatically appending "2>&1" to the command executed so that STDERR is redirected to STDOUT and can thus be captured in the stream returned by _popen(). See https://github.com/thwill1000/mmb4l-src/blob/thwill-alpha4/linux-src/commands/cmd_system.c which now also includes code to capture the exit status of the executed program and sub-commands SYSTEM GETENV and SYSTEM SETENV - YMMV. Thanks, I think it's a missing link in the "Simulation" and worth addressing even if difficult and not strictly necessary because Windows doesn't have the colour/resolution limitations of the CMM2 hardware. Best wishes, Tom Edited 2022-03-21 23:39 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4042 |
Peter, Just a note that popen() and pclose() isn't really the "Windows way", you're using the POSIX compatibility layer. If you want to bite the bullet then: https://docs.microsoft.com/en-us/windows/win32/procthread/creating-a-child-process-with-redirected-input-and-output But I'm almost as much in the dark as you are when it comes to that. Best wishes, Tom Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 3802 |
Is it intelligent so that if the user already redirects stderr then the above isn't added? Page not found :( John |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4042 |
MMB4L isn't that intelligent yet, though it is marked as a TODO. Given the niche usage and the zero users I didn't think it was that important to fix now. Long term I will probably want to stop using popen() which can only capture STDOUT and use the lower-level fork() instead so I can redirect STDOUT and STDERR independently without resorting to this hack. Sorry John, it's a private GitHub repository which Peter can see as he is listed as a collaborator. If you have a GitHub username then I'm happy to add you as a collaborator too provided you have previously agreed to Geoff's license terms for access to the MMBasic source code - PM me. Or wait for a month or two when MMB4L alpha 4 will be released as open-source and I will make the repository public. Best wishes, Tom Edited 2022-03-22 00:52 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 3802 |
No worries. It'll keep! John |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4042 |
Hi Peter, Having got my unit-tests working I've returned back to trying to get SAAINT running in MMB4W and have run across this interesting bug: > list "bug.bas" Option Console Serial Option Console Both Option Console Screen Print "Hello Peter" Select Case 1 Case 1 : Option Console Serial End Select Print "Goodbye Peter" > > run "bug.bas" Hello Peter Only valid in a program Obviously this nonsense has been pared down to the bare minimum, the real code does make sense, honest! It does run on the CMM2 and MMB4L. The issue here is that OPTION CONSOLE SERIAL does work in a program (line 1) but when called from within the SELECT CASE construct it reports this strange "Only valid in a program" error. Additionally unlike the CMM2 the TRACE LIST command (and presumably the whole of the TRACE framework) just reports line numbers and not the .inc file they correspond to. Best wishes, Tom Edited 2022-03-22 20:56 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 9122 |
The workround is to put the OPTION on a separate line from the case. This is deep in MMbasic and I'm not going to touch it. Have a look at the code for CMD_SELECT and you will see why it occurs. From what I can remember this isn't the only oddity about putting statements on the same line as the CASE perhaps the manual should warn against it or we should even error it Will fix TRACE Edited 2022-03-22 21:52 by matherp |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4042 |
Interesting, works "as-is" on the CMM2 and MMB4L. Best wishes, Tom Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 9122 |
It won't work on anything that tests for CurrentLinePtr This does the same on CMM2 select case 1 case 1:option y_axis up end select Edited 2022-03-22 22:04 by matherp |
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