Post by thread:[SX] C4SX: Release of C4SX Version 0.2

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hello all- This posting announces an enhanced C4SX: C4SX Version 0.2. This is an environment (editor, compiler, and loader for the SK-KEY) that makes it possible to compile C programs under Windows and then run these C programs on the SX. This NO-COST environment has been used to produce several large, production-quality C programs and includes serial I/O support.

There have been several improvements in the C4SX utility programs, more documentation added, C libraries/includes added and more sample programs are provided. The sample programs have been tested on the SX28 and the SX48. The sxio.h C header file ("library") makes it possible to use C getchar(), putchar() and puts() functions with the SX (assuming you have a USB2SER or other serial capability connected to you SX). Also present are some experimental ctype.h, string.h and stdlib.h include files. A more advanced set of includes is also provided, thanks to Parallax SX Forum contributions. You can view documentation, including a "Quick Start", at: c4sx@rwsenser.com If there is continued interest from the SX Community, C4SX with be expanded and further refined. printf("Thanks,\nRW Senser\n"); ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:Downloaded and installed. No problems.

I added -V to the cc1b commands section in C4SX.BAT file rem call CC1B compiler if %MODE% == 1 call "%CC1B_PATH%\CC1B" -I"%CC1B_PATH%" -I"%C4SX_PATH%" -V -atmp %1.c if %MODE% == 2 call "%CC1B_PATH%\CC1B" -I"%CC1B_PATH%" -I"%C4SX_PATH%" -V -atmp %2.c This makes cc1b generate a .var file which contains a detailed variable listing. It can be opened with any text editor, including notepad++ regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m207999 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter- Many thanks for doing the download and install. I'll add the -V to the C4SX.BAT script for the next release.

Thx, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m208012 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:RW Senser, When I use RTCC or STATUS in a C source, cc1b outputs RTCC EQU $01 or STATUS EQU $03 to its assmebler file. Your conversion program already comments out INDF, FSR, RA, RB, RC, RD, RE but it does not comment out RTCC and STATUS so sasm throws an error that RTCC and STATUS are reserved words.

regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209462 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:

Hi Peter, Thanks for the information. I'll check into this. Thx, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209650 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter, Greetings. I made a patch to CC1B2SX. My testing shows it handles the error you hit. Please give this a try and let me know if it handles the issue. BTW, I saw your posting on the vp libs for C4SX, nice going. The sxio.h is also based on the Ubicom vp uart asm code.

Thanks, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209715 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:Downloaded and installed the patch. Works. For the sx18/20/28: Now if only the CLRB 4.FSR_7 after a BANK ddd with ddd>=128 could be commented out, that would be great.

regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209774 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:RW Senser, The predefined TO (STATUS.4) and PD (STATUS.3) are also sasm reserved words and should therefor be commented out. But when using these, the generated code looks like SB 3.TO Not only complains sasm that TO and PD are reserved words, TO and PD are not bit identifiers. The correct way for sasm is SB TO Workaround: define a TO_ and PD_ and use these instead of TO and PD. shadowDef bit PD_ @STATUS.3; shadowDef bit TO_ @STATUS.4; When using the above declarations, the code generated looks like SB 3.TO_ and that keeps sasm happy.

regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209869 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter, Greetings. Relative to "Now if only the CLRB 4.FSR_7 after a BANK ddd with ddd>=128" you might give the attached batch script a try. At the beginning of it are comments that show how to run it under Windows. It just replaces all the CLRB 4.FSR_7 instructions by NOPs. My research shows that the CLRB instruction, after the BANK instruction, is not needed on the SX18 and SX28 anyway. I believe the SX48 is a different case. Maybe this 'hack' will be useful until a real fix for CC1B is available. I'm not inclined to put a 'hack' like this in CC1B2SX. I've not tested this heavily -- the output from it does assemble correctly.

Thanks, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209876 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:

Thanks for that script. I will try it, but I rather replace it with ;CLRB 4.FSR_7 so it is just commented out. Just in case an incidental occasion must be undone. Can I change the line fobj_out.WriteLine(" nop ;** removed **" + line ); simply to fobj_out.WriteLine(" ;CLRB 4.FSR_7 ;** removed **" + line ); regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209881 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:

I changed the line to fobj_out.WriteLine(" ;CLRB 4.FSR_7 ;** removed **" ); and that works great. No need to incude it in CC1B2SX. I can put the script command into C4Sx.bat The moment cc1b is bugfixed I can simply remove it from c4sx.bat regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209882 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter- I figured you would remove the NOP <>. ALSO, I have two replies from the CC1B author. He says he has this bug fixed in the next release. He also gave me some additional information about an SX-48 bug. I'll posted his info tonight on this Forum. He's wanting to know about any other real CC1B problems (bugs). Do you know of any other real bugs with CC1B? I'll be back online tonight (USA time).

Thanks, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209908 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:I do have another bug that is specific to sx18/20/28 void RomCopy(char dest, long source, char len) { char i = 0; while (len > 0) { _SystemTemp = RomChar(source); char k = LargeArrayAddress(dest,i); _SystemRam[k] = _SystemTemp; /*<?asm bank source ;;cc1b misses this statement ?>*/ source++; i++; len--; } } cc1b misses a bank statement after writing a value using indf. I fixed it by adding the bank statement. Note that it only works while there is no other local parameter named source (otherwise cc1b may rename source to source_1) For sx48/52, the bank statement is generated by cc1b.

If not already, can you mail this bug also to B. Knudsen regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m209919 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter, Greetings. I need a small program that shows this error. I wrote up the attached small C program but it does not have the failure when I call the RomCopy function. I think I have experienced this same error in one of my larger test programs and it is hard to reproduce in a small pgm (at least it is/was for me). My pgm test pgm is attached. If you have time, could you enhance it to show the error? If so, please send it back to me, with any includes being used so I can rerun the test. I will then forward it to Bengt.

Thanks, RWSenser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m210119 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:

See attachements. I included the generated .src regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m210136 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter, Greetings. Thanks for these. I compiled your test case and verified the bug is shown. I've sent the information on to the CC1B author.

Many thanks, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m210138 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:Additional info: In your cc1b-bug4.c, if you use #pragma rambank 0 then the error also shows.

Appears to show only when using rambank 0 regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m210141 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rwsenser wrote:Hi Peter, Thanks for the update. I have a reply from the CC1B author. He says this will be fixed in the coming release and noted the following: "This problem seem to be conceptual. Such large arrays on SX20/28 devices are possible, but unexpected. They are handled on the SX48/52 devices. The problem is now corrected in the source for the next release. Workaround: Try inserting a manual bank update (Microchip format, see SX.TXT): _SystemRam[k] = _MainTemp; #asm m+ bank 0 #endasm source++; The compiler assumes that _SystemRam[] resides in bank 0 according to the start address and therefore omit the bank instruction. Moving variable 'source' to another bank than 0 will also solve the problem" It appears to me that his workaround does what you are already doing in yours.

Thanks, RW Senser ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m210181 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:I found an even better way than using a fixed bank number. void RomCopy(char dest, long source, char len) { char i = 0; while (len > 0) { _MainTemp = RomChar(source); char k = LargeArrayAddress(dest,i); _SystemRam[k] = _MainTemp; FSR = &source; //select correct bank source++; i++; len--; } } I also noted that all 'asm code' between /*<?asm and ?>*/ always gets inserted, also for library functions that are not used. This is not a problem as this code is never called. But it does consume codespace.

regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=207987#m210388 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)