Felipe, I use Win ME to make go32v2, v2.0.3 and v2.1.1 so this should work ok. I've also used win9se in the past.
I produce daily snapshots of these. See ftp.freepascal.org\ snapshots\v20 & v21, so you can download these & try them out. Regards John > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of > Tomas Hajny > Sent: 12 November 2005 18:19 > To: FPC-Pascal users discussions > Subject: Re: [fpc-pascal] Compiling for DOS > > > Date sent: Sat, 12 Nov 2005 08:01:30 -0200 > From: Felipe Monteiro de Carvalho > <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED], > FPC-Pascal users discussions <fpc-pascal@lists.freepascal.org> > Subject: Re: [fpc-pascal] Compiling for DOS > > > Hi Felipe, > > > > Your best choice probably is GO32v2. However, as for any other > > > target, you need RTL compiled for the given target, the > appropriate > > > binutils (as and ld) and the right configuration. > > > > Was FPC compiler able to create real-mode programs in the past? It > > would be very important for my use, a very precise osciloscope. > > No, FPC was being created as a protected-mode compiler from the very > beginning. > > > > Can I still use interrupts and IN / OUT assembler opcodes > in protected > > mode? > > Yes, you can, although especially interrupts might be somewhat more > complicated (depending on what you need to achieve). > > For ports, you can use in/out instructions and the special array > port[] as supported by TP/BP (requires adding unit ports to uses > clause). > > Regarding interrupts, there are (at least) two things to be aware of. > First, there is one interrupt vector table for the protected mode and > another table for the real mode. Calling "int xx" in your protected > mode program calls the protected mode interrupt. This will work if > interrupt handler for the protected mode version is installed - e.g. > protected mode version of interrupt 21h, i.e. DOS services, is > probably installed for most DPMI servers as far as I remember > correctly, but the same doesn't have to be true for other interrupts. > Calling the real mode version is possibly e.g. using GO32.RealIntr > (or SysRealIntr). > > Second, working with pointers/memory addresses is little bit more > difficult. If you need to pass a memory block to some interrupt (e.g. > a buffer to be filled with some information by the interrupt), you > need to allocate this memory block within the first MB of your > address space (real-mode code cannot access/address more), and you > have to remember that this memory block is addressed different way > while under real-mode (16-bit segment and offset must be passed to > real-mode code) and when accessing it from protected-mode (32-bit > flat address is used). Functions Global_Dos_Alloc and Global_Dos_Free > provided in unit Go32 are your friends here. > > > > > If you can compile > > > on a Win 9x/ME machine (or even machine with plain DOS), > the easiest > > > solution (not requiring you to play with configuration, > proper setup > > > of directories, etc.) is to download the old 1.0.10 version > > > > Thanks, I'll try that. > > > > > Hopefully a DOS (GO32v2) version of FPC 2.x gets released with one > > > of the next releases. > > > > Maybe I can help get it released. What is missing? Code or just > > someone that compiles the whole thing? I have access to a > machine with > > IBM DOS. > > Machine is not such a big problem (although our makefiles don't work > under plain DOS, but require some LFN-capable system - it isn't a > problem of the compiler, that one works under plain DOS without > problems). There have been some bugs which prevented us from having > version 2.0.0 released for GO32v2 target too. The most important > issues should be hopefully fixed now, but some smaller ones still > remain. Anybody able to help with debugging the remaining issues is > certainly welcome. ;-) > > Tomas > _______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-pascal > This e-mail and any attachment is for authorised use by the intended recipient(s) only. It may contain proprietary material, confidential information and/or be subject to legal privilege. It should not be copied, disclosed to, retained or used by, any other party. If you are not an intended recipient then please promptly delete this e-mail and any attachment and all copies and inform the sender. Thank you. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
