[Freedos-user] DOS Frotz 2.50 beta1 is out

[David Griffith]

Yesterday I tagged and released the first beta test of DOS Frotz 2.50. 
Most of the work that went into the DOS interface focus on improving 
stablity.  I think I've corrected the two outstanding problems with DOS 
Frotz: locking up upon exit and crashing with a "dos mem corrupt" error. 
This only happened with certain games.  Please hammer on it, especially on 
real hardware.  I'd like to get some solid figures on speed, memory usage, 
and minimum hardware requirements.


DOS Frotz can be compiled from the source code available at 
https://gitlab.com/DavidGriffith/frotz/ using Turbo C.  A finished 
executable is also available at 
https://661.org/proj/if/frotz/frotz250b1.zip


--
David Griffith
d...@661.org

A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?


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Re: [Freedos-user] Tinyasm vs. NASM (was: Re: A neat find on /r/asm)

[C. Masloch]

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.

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/

> Even other NASM versions had
> issues. (A86 and Wolfware/WASM worked fine, though.) Actually, I think
> I ran my old BARE_DOS floppy and used "call /s", and then at least
> NASM 0.97 worked. I meant to try to recompile NASM 0.98.39 with both
> Turbo C and OpenWatcom (supporting bin only or bin+obj only) and test,
> but I never found the extra time and energy.
> 
> * https://jaybertsoftware.weebly.com/8086-tiny-plus.html
> * 
> https://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/devel/asm/nasm/0.98.39/
> 
> Comments on further testing welcome!


Regards,
ecm


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