Re: [Freedos-user] Tinyasm vs. NASM
Hi, On Thu, Oct 10, 2019 at 11:08 AM TK Chia wrote: > > > But it's missing "[var+BX]" Effective Address support. > > Also, "MOV AX,..." (etc.) instructions use the bigger, non-optimal > > encodings. > > Well, perhaps there are ways to fix the support for these things in > tinyasm... = ; WACKY.ASM -- tested with Tinyasm (2019-Oct-08) mov ax,word[alpha]; 8B 06 1201 mov ax,[0x112] mov ax,[alpha];A1 1201 " " mov al,byte[beta] ; 8A 06 1301 mov al,[0x113] mov al,[beta] ;A0 1301 " " mov bx,[bx+zeta] ; 8B 9F 1401 mov bx,[bx+0x114] ; mov bx,[zeta+bx] ; *** won't even assemble! *** alpha: db 'a' beta: db 'b' zeta: db 'z' ; EOF = So it's a bit picky with what syntax it accepts, but it does (already!) support it correctly. Just FYI. ___ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
Re: [Freedos-user] Tinyasm vs. NASM (was: Re: A neat find on /r/asm)
On at 2019-10-26 03:09 -0500, Rugxulo wrote: >> I also worked some on an 8086tiny fork of mine recently. There are >> several bugfixes there, as well as implementing all 186 instructions, so >> it might be worth testing. It's at https://github.com/ecm-pushbx/8086tiny/ > > I tested all of this under Linux (Xenial Puppy, 64-bit) jump drive. > > It seems you're missing "lmacros3.mac" (not found) for tinyxms, but I > just ignored that for now: "make no_graphics -k -i" or whatever. (I > just used a modified version of my old BARE_DOS floppy image.) Oh yes, that was not intended. I think the included fd.img does have the compiled tinyxms.sys already, but to build it from source you need to load all of lmacros[123].mac from https://hg.ulukai.org/ecm/lmacros and put them in one of the directories included by the NASM run: > tinyxms.sys: tinyxms.asm > nasm -f bin -I ../lmacros/ -I lmacros/ -l tinyxms.lst -o tinyxms.sys tinyxms.asm That is, either copy the three macro files to the same directory as tinyxms.asm, or to an lmacros subdirectory, or to an lmacros sibling-directory of the 8086tiny directory. Regards, ecm ___ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
Re: [Freedos-user] Tinyasm vs. NASM (was: Re: A neat find on /r/asm)
Hi, (sorry for delay in testing) On Tue, Oct 8, 2019 at 10:17 AM C. Masloch wrote: > > On at 2019-10-05 18:49 -0500, Rugxulo wrote: > > "Unfortunately, nasm doesn't run over 8086/8088 processors,and I > > couldn't find a compatible assembler!" > > > > Strange. I was lightly playing with 8086tinyplus (on Windows) > > recently, and I noticed that the (in)famous 16-bit NASM build from > > 2005 of 0.98.39 didn't seem to run properly. (But that could be an > > emulator bug. It runs fine under QEMU. I know 8086tinyplus can't > > handle 186+ ENTER/LEAVE properly.) > > If the 16-bit NASM uses 186+ instructions, that's a bug (or possibly > wrong option?) on the part of the compiler. The default 2005, 16-bit NASM build seems to work correctly under your (improved) fork of 8086tiny. So indeed, it must've been compiled for 186. > I also worked some on an 8086tiny fork of mine recently. There are > several bugfixes there, as well as implementing all 186 instructions, so > it might be worth testing. It's at https://github.com/ecm-pushbx/8086tiny/ I tested all of this under Linux (Xenial Puppy, 64-bit) jump drive. It seems you're missing "lmacros3.mac" (not found) for tinyxms, but I just ignored that for now: "make no_graphics -k -i" or whatever. (I just used a modified version of my old BARE_DOS floppy image.) Yeah, it seems to work better (than 8086tinyplus). I did keep around a 186, Oberon-M build of my Befunge-93 interpreter (bef186om.exe) just for identifying these kinds of bugs (mostly thinking of Fake86 here). Even that .EXE works here. So that's cool. ___ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
