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Re: No COM ports

Thanks Hal; yes, I've also been using my own variant. The problem is that the DS chipsets require REALLY accurate timing. I was thinking of stubbing a little WinXX driver to assist, but I don't think 6 months of work for a single application is going to be worth the effort.

Re: Request for help with Munt (not just coders)

The 8096 family is now called the 'mcs96' series: http://www.intel.com/design/mcs96/docs_mcs96.htm There is also a debugger and compiler suite http://www.geocities.com/rjkuhn_2000/software.htm?20053#kpc And a more professional demo (Sim/Emu/Debugger/Assember...etc) http://microcontrollershop.com/ …

Re: Tandy Graphics Mode Artifacts

The glitches are due to text mode memory overlapping with video memory; I think the mode switch on the tandy does both Clear & Change mode (where-as on VGA, there is a distinction between Change Mode and Clear&ChangeMode, eg AX=13, int 10h.) Could be modeX tweaks sneaking back in, or could also be …

Re: The screen is cut off in full screeen.

2 options; either press the buttons on the display (then adjust vertical scaling); alternatively use windows display properties and set a lower resolution. The monitor is either not capable of higher resolution, or it has the factory default settings (which are either too wide or to narrow)

Re: DOSBox's big shortcoming

I think the prime reason this is not done is that we would be encouraging a rom-distribution model. Yes it would simplify setting up, but on the whole it makes it easier (and in fact encourages) dosbox to be distributed on DVD's with a few hundred rom'ed games. (If you have the game, you know how to …

Re: Please help me!!

Downgrade your OS to Windows 95; not only is it *much* faster its also a lot more stable; less prone to spyware and it has only the one memory leak. Alternatively try a linux boot CD, and see just how handicapped your PC is with WinXP

Re: Possible to make a dosbox boot disk?

If you hacked the interface out, Menuet is almost a purely assembly version (with a borrowed C compiler); You could glue the startup bits of code to Dosbox and it would almost work straight out of the boot. (Compatiblity would be your problem here -- what soundcard/video do you hard code)

Re: Joystick-Question

I assume you intend to use WinXX for the environment. If so then the idea is correct -- You press joystick button, the software tells windows you pressed a keyboard (scancode) Dosbox gets fed the scancode as if it came from keyboard.

Re: PCjr Emulation Plays At Incorrect Pitch

If you mean you speed it up by 3 times ..(its running 1/3 of normal speed) this makes sense - the 3 voices are 3 interlaced 'speaker samples' which are being added linearly ..123123123.. instead of being merged vertically in time 11111 ..22222.. 33333 Think CanadaCow is our audio expert that could …

Re: Installing GeoWorks Ensemble?

I think this error is reminscent of the List-of-lists drivers that were partially implemented -- int 15/ Ah=8x, is trying to find free extended memory; On a hunch I suspect its probably trying to use Xenix/Dos 1/Unix7 device access, and freezing in the lists. Also, I recall that there was a few …

Re: GUS 16-bit DMA

I suspect the problem lies somewhere between 2 buffers - 1 is a circular buffer, the other a memory mapped buffer. Basically 1 is "spinning" through the buffer wrapping around at the end The other copies the block directly as if it were fixed. Or could be fixed size buffer meets buffer with an "eof" …

Re: The future of Dosbox development

The SDL libraries offer plenty of inline assembly optimised routines, so graphics processing is reasonably well implemented. (There is a fair bit of indirection though). To answer the documentation side (this is my personal view), If you don't know GPROF is a Profiler, DOXYGEN is code-documentation, …

Re: The future of Dosbox development

The bottlenecks are typically the broad base support, as well as extensive debug support. The code has been written to allow a fast turn around if something breaks or needs addition. We are using approx 40:1 instructions simulated-real, so expect Your processor clock-rating/40 speed on *average*. ( …

Re: Feature Request: Mode 8 160x200 16 color

Thats almost exactly what PcJr setup does.. good work there Rob :cool: (it tweaks CGA registers / selecting composite-tv output) Ok, so now the other easter egg is the groovy tunes -- still not sure how to get these going, it seems if you hard code a few things others break; dosbox freezes at 'Query …

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