Post by thread:C compiler in java

I'm writing a C compiler fo microchip 16C84. The output is a full commented MPLAB assembler file. I just made the parser and a part of compiler. Give a look at this code (c -> asm) and tell me what do you think. (This is a very stupid program). byte PORTA,PORTB; void interrupt () {} void incPortA (byte a,byte b) { PORTA+=a; if (PORTA) PORTA++; else PORTA+=10; } void main () { byte c1,c2; PORTA=12; PORTB=12; c1=0; c2=0; c1=c2+3+(c1-1); incPortA(c2,c1); } Output of compiler: upt interrupt: ; Function definition retfie ; End Function definition: interrupt incPortA: ; Function definition ; Expression: PORTA+=a; movf incPortA_a,0 addwf PORTA,0 ; Make: PORTA+=a movwf PORTA ifSt0: ; if (PORTA) movf PORTA,0 sublw d'0' ; Test if condition btfsc _z goto ifSt0else ; Expression: PORTA++; movf PORTA,0 incf PORTA,1 ; Make: PORTA++ goto ifSt0end ifSt0else: ; Expression: PORTA+=10; movlw d'10' addwf PORTA,0 ; Make: PORTA+=10 movwf PORTA ifSt0end: return ; End Function definition: incPortA main: ; Function definition ; Expression: PORTA=12; movlw d'12' movwf PORTA ; Save result of: PORTA=12 ; Expression: PORTB=12; movlw d'12' movwf PORTB ; Save result of: PORTB=12 ; Expression: c1=0; movlw d'0' movwf main_c1 ; Save result of: c1=0 ; Expression: c2=0; movlw d'0' movwf main_c2 ; Save result of: c2=0 ; Expression: c1=c2+3+(c1-1); movlw d'3' addwf main_c2,0 ; Make: c2+3 movwf __CCTemp1 ; Save result of: c2+3 movlw d'1' subwf main_c1,0 ; Make: c1-1 addwf __CCTemp1,0 ; Make: c2+3+(c1-1) movwf main_c1 ; Save result of: c1=c2+3+(c1-1) ; Expression: incPortA(c2,c1); movf main_c2,0 mowf main_a movf main_c1,0 mowf main_b call incPortA ; Make function call: incPortA(c 2,c1) _endPrg goto _endPrg ; End Function definition: main If there is someone interested at this program, please contact me. It's free. Thank's for your time. =================================================== Alboni Giorgio Faenza (Ra) ITALY E-Mail: spam_OUTrac1337TakeThisOuTracine.ravenna.it www.geocities.com/SiliconValley/Heights/5444 (Last Update: 29/09/97) ===================================================

On Thu, 22 Jan 1998 18:02:20 +0100 Giorgio Alboni <.....rac1337KILLspam@spam@PROVINCIA.RA.IT> writes: >I'm writing a C compiler fo microchip 16C84. The output is a full >commented >MPLAB assembler file. I just made the parser and a part of compiler. >Give a look at this code (c -> asm) and tell me what do you think. That looks pretty neat! The case where you're setting a variable to zero could be a special case. Instead of using movlw 0, movwf variable, you could just do clrf variable. Also, where is the variable memory allocation being done? In writing asm code, I tend to do it inside the subroutine using cbank and endc. If no address is given for the cbank, it uses the next available address. Then there's the issue of ram re-use. I generally haven't dealt with it, but local automatic variables could be released from ram on exit of the subroutine (easy with a stack... but we don't have one unless you want to build one using FSR). I'd like to see the compiler. Is it available on the web? If not, you can email it to me at haroldKILLspamhallikainen.com . Thanks! Harold _____________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com Or call Juno at (800) 654-JUNO [654-5866]

At 16.35 22/01/98 EST, you wrote: > >On Thu, 22 Jan 1998 18:02:20 +0100 Giorgio Alboni ><.....rac1337KILLspam.....PROVINCIA.RA.IT> writes: >>I'm writing a C compiler fo microchip 16C84. The output is a full >>commented >>MPLAB assembler file. I just made the parser and a part of compiler. >>Give a look at this code (c -> asm) and tell me what do you think. > > > That looks pretty neat! The case where you're setting a variable >to zero could be a special case. Instead of using movlw 0, movwf >variable, you could just do clrf variable. This can be made in a optimization fase. > Also, where is the variable >memory allocation being done? In writing asm code, I tend to do it >inside the subroutine using cbank and endc. If no address is given for >the cbank, it uses the next available address. Your right, I don't now how but in my letter I forget the begin of asm file, it's: LIST P=PIC16C84 include <p16c84.inc> include "16Cxx.h" CBLOCK 0x0C incPortA_b incPortA_a main_c2 main_c1 __CCTemp1 main_c2 main_c1 PORTB PORTA ENDC ORG 0 goto main nop nop nop goto interrupt > Then there's the issue of >ram re-use. I generally haven't dealt with it, but local automatic >variables could be released from ram on exit of the subroutine (easy with >a stack... but we don't have one unless you want to build one using FSR). This is a big problem. I think that PIc have a lot of ram location. I want to make a C compiler thats help in writing asm code. The pic programmer must know what the C compiler do so he can write a simple mix of C and asm code (with asm {} primitive). The pics are too small for support a run time C support and in the most case it's no necessary. > I'd like to see the compiler. Is it available on the web? If >not, you can email it to me at EraseMEharoldspam_OUTTakeThisOuThallikainen.com . > For now no, in the next day (i think 26-1). Bye. Giorgio Alboni. =================================================== Alboni Giorgio Faenza (Ra) ITALY E-Mail: rac1337spam_OUTracine.ravenna.it www.geocities.com/SiliconValley/Heights/5444 (Last Update: 29/09/97) ===================================================

The C compiler is now avalible on the web at: http://www.geocities.com/SiliconValley/Heights/5444/Compiler.zip Please try it and tell me something. Any suggestion is welcome. bye. =================================================== Alboni Giorgio Faenza (Ra) ITALY E-Mail: @spam@rac1337KILLspamracine.ravenna.it www.geocities.com/SiliconValley/Heights/5444 (Last Update: 29/09/97) ===================================================

Jack, this is a Java application. You can run it from your browser by loading Compile.html into the browser. The classes will be loaded as needed. I haven't actually tried the compiler yet, but I noticed all the classes too, then I remebered Giorgio's earliest messages stated he was developing this in Java. CIAO - Martin. On Wed, 28 Jan 1998 13:46:00 +0100, Jack Raats <KILLspamjackKILLspamJARASOFT.XS4ALL.NL> wrote: {Quote hidden}>Giorgio Alboni wrote in a message to All: > > GA> The C compiler is now avalible on the web at: > > GA> http://www.geocities.com/SiliconValley/Heights/5444/Compiler.zip > > GA> Please try it and tell me something. Any suggestion is welcome. > GA> bye. > >Thee archive olny contains the classes. Is it possible to compile it to an >executable and include it in the archive? > >With greetings ... Jack Raats > Martin R. Green RemoveMEelimarTakeThisOuTNOSPAMbigfoot.com To reply, remove the NOSPAM from the return address. Stamp out SPAM everywhere!!!

> >Giorgio Alboni wrote in a message to All: > > > > GA> The C compiler is now avalible on the web at: > > > > GA> www.geocities.com/SiliconValley/Heights/5444/Compiler.zip > > > > GA> Please try it and tell me something. Any suggestion is welcome. > > GA> bye. > > I tried running this (unfortunately, I'm not at all familiar with running Java apps) ... I unzipped it into its own directory and then double-clicked on the Compiler.html file. Netscape started up and loaded some files, said "Starting Java..." in the status line, then I get the message: "Applet Compiler can't start: error: java.lang.ClassFormatError: Class already loaded" also in the status line. What am I doing wrong? Thanks in advance for any insight. Philip Restuccia

At 11:50 AM 1/28/98 -0500, you wrote: {Quote hidden}>> >Giorgio Alboni wrote in a message to All: >> > >> > GA> The C compiler is now avalible on the web at: >> > >> > GA> www.geocities.com/SiliconValley/Heights/5444/Compiler.zip >> > >> > GA> Please try it and tell me something. Any suggestion is welcome. >> > GA> bye. >> > > >I tried running this (unfortunately, I'm not at all familiar with >running Java >apps) ... I unzipped it into its own directory and then double-clicked >on the >Compiler.html file. Netscape started up and loaded some files, said >"Starting Java..." >in the status line, then I get the message: >"Applet Compiler can't start: error: java.lang.ClassFormatError: Class >already loaded" >also in the status line. What am I doing wrong? Nothing. Netscape (4.04) can't run it for some reason. If the author used Java 1.1 to write his applet Netscape can't perfectly handle it yet. I ran it sucsessfully using appletviewer (you need to download it from java.sun.com - it is included in the JDK) MD -- Martin Darwin a.k.a Rambo [CtF] -- Play QUAKE!! spamBeGonemartinspamBeGonedavin.ottawa.on.ca - 4th year Computer Engineering http://www.davin.ottawa.on.ca/~martin University of Ottawa Clan CtF - http://ctf.clanworld.com

Works perfectly well under IE4.01 -----Original Message----- From: Martin Darwin <TakeThisOuTmartinEraseMEspam_OUTDAVIN.OTTAWA.ON.CA> To: RemoveMEPICLISTTakeThisOuTMITVMA.MIT.EDU <PICLISTEraseME.....MITVMA.MIT.EDU> Date: Wednesday, January 28, 1998 7:35 PM Subject: Re: C compiler in java {Quote hidden}>At 11:50 AM 1/28/98 -0500, you wrote: >>> >Giorgio Alboni wrote in a message to All: >>> > >>> > GA> The C compiler is now avalible on the web at: >>> > >>> > GA> www.geocities.com/SiliconValley/Heights/5444/Compiler.zip >>> > >>> > GA> Please try it and tell me something. Any suggestion is welcome. >>> > GA> bye. >>> > >> >>I tried running this (unfortunately, I'm not at all familiar with >>running Java >>apps) ... I unzipped it into its own directory and then double-clicked >>on the >>Compiler.html file. Netscape started up and loaded some files, said >>"Starting Java..." >>in the status line, then I get the message: >>"Applet Compiler can't start: error: java.lang.ClassFormatError: Class >>already loaded" >>also in the status line. What am I doing wrong? > >Nothing. Netscape (4.04) can't run it for some reason. If the author used >Java 1.1 to write his applet Netscape can't perfectly handle it yet. I ran >it sucsessfully using appletviewer (you need to download it from >java.sun.com - it is included in the JDK) > >MD > >-- >Martin Darwin a.k.a Rambo [CtF] -- Play QUAKE!! >EraseMEmartindavin.ottawa.on.ca - 4th year Computer Engineering >http://www.davin.ottawa.on.ca/~martin University of Ottawa >Clan CtF - http://ctf.clanworld.com

> -----Original Message----- > From: pic microcontroller discussion list > [RemoveMEPICLISTEraseMEEraseMEMITVMA.MIT.EDU]On Behalf Of Peter Shoebridge > Sent: January 28, 1998 21:32 > To: RemoveMEPICLISTspam_OUTKILLspamMITVMA.MIT.EDU > Subject: Re: C compiler in java > > > Works perfectly well under IE4.01 Here to with the same, except of course file operations don't work. For that you have to download the Java from SUN. TTYL

At 11:50 AM 1/28/98 -0500, you wrote: >I tried running this (unfortunately, I'm not at all familiar with >running Java >apps) ... I unzipped it into its own directory and then double-clicked >on the >Compiler.html file. Netscape started up and loaded some files, said >"Starting Java..." >in the status line, then I get the message: >"Applet Compiler can't start: error: java.lang.ClassFormatError: Class >already loaded" >also in the status line. What am I doing wrong? > >Thanks in advance for any insight. > > Philip Restuccia I tested the compiler under IE 4.0 , appletviewer and java (run time application). Some friends of my tell me that Netscape 4.04 can run Java 1.1 . Now I can think that is no true. I suggest to use the compiler with Sun java run time module. With this program the compiler cand read and write file. Use cut and paste function to import and esport program from compiler running under IE 4.0. To all: What do you think of C Compiler???? Bye. =================================================== Alboni Giorgio Faenza (Ra) ITALY E-Mail: RemoveMErac1337TakeThisOuTspamracine.ravenna.it www.geocities.com/SiliconValley/Heights/5444 (Last Update: 19/06/97) ===================================================

On Wed, Jan 28, 1998 at 10:26:45PM -0500, Herbert Graf wrote: > Here to with the same, except of course file operations don't work. For > that you have to download the Java from SUN. TTYL Actually, you only need the JRE (Java Runtime Environment) not the whole JDK. The JRE 1.1.4 is about 2.5MB as a download. -- Clyde Smith-Stubbs | HI-TECH Software Email: EraseMEclydespamspamBeGonehtsoft.com | Phone Fax WWW: http://www.htsoft.com/ | USA: (408) 490 2885 (408) 490 2885 PGP: finger RemoveMEclydeKILLspamhtsoft.com | AUS: +61 7 3354 2411 +61 7 3354 2422 --------------------------------------------------------------------------- ANSI C for the PIC! Now shipping! See http://www.htsoft.com for more info.

Can someone send me a C program for PIC? I'd like to extend my C compiler to a standard PIC C so I need some example for implement all the grammar production. For example: wich is the instruction for bit manipolation? EX. PORTA[2]=1; for implement: bsf PORTA,2 Thanks. =================================================== Alboni Giorgio Faenza (Ra) ITALY E-Mail: rac1337STOPspamspam_OUTracine.ravenna.it www.geocities.com/SiliconValley/Heights/5444 ===================================================

---------- > From: Alboni Giorgio <spamBeGonerac1337STOPspamEraseMERACINE.RA.IT> > To: KILLspamPICLISTspamBeGoneMITVMA.MIT.EDU > Subject: C compiler in java > Date: Thursday, January 29, 1998 6:46 AM > > Can someone send me a C program for PIC? > I'd like to extend my C compiler to a standard PIC C so I need some example > for implement all the grammar production. > For example: wich is the instruction for bit manipolation? EX. PORTA[2]=1; > for implement: bsf PORTA,2 all of the following will do a bsf PORTA.2 in MPC #pragma portrw PORTA @ 1; PORTA.2 = 1; // This will set bit 2 PORTA = PORTA | 4; // This will set bit 2 struct { int bit0 : 1; int bit1 : 1; int bit2 : 1; int bit3 : 1; int bit4 : 1; int bit5 : 1; int bit6 : 1; int bit7 : 1; } porta @ &PORTA; porta.bit2 = 1; // This will set bit 2 bit porta2 = &PORTA,2; porta2 = 1; // This will set bit 2 Walter Banks