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Re: Diamond Speedstar24 Bios versions

Sudos, I have the same card as you and I find what you do with it very exciting. I just wanted to check Diamond's information about the bios versions again and found that unfortunately the website with the backup of the Diamond homepage from 1997 that I once posted in this thread is no longer online …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Hello blakespot, thank you for the feedback. I'm glad you like my Tracker! I wrote it on a 486, which is of course much too fast compared to a Tandy HX. But originally I just wanted to write a tracker for the awsome projects of matze79 and dreamblaster, so I just used my favorite DOS PC for it. But …

Re: Diamond Speedstar24 Bios versions

I have discovered this thread unfortunately only now. A few years ago I tried to upgrade a Speedstar VGA to a Speedstar 24 and give it a Vesa-compatible bios and tried a lot. Unfortunately it didn't work. With the Bios (6.01) and DAC (SS24) of a Speedstar 24 I got a picture but also a freeze during …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

I see you have plans for VGM. Will this be an import and export option? Keep up the good work! Yes, support for VGM import/export is a feature I would like to add to make the tracker more versatile. Also an export to AGI and maybe support for other game formats would be nice. Maybe not directly in …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Hi, there is a small update: Dreamblaster has kindly tested the tracker and made me aware of a small bug: When importing AGI music, the last notes of a voice get stuck on some tracks. Apparently a key-off has to be inserted if there is no further data for a voice in the file. Fixed this and also a …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

New version of TNDY Tracker released! Life outside of DOS and retro PCs kept interfering and I unfortunately found little time for this project in the last few months. But now I finally have a new version ready for release! Version 1.21 contains many improvements and is optimised to run on original …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Good news. Yesterday evening I tried again intensively to speed up the playback code. After I had already avoided bigger calculations, I now identified redrawing the current part of the pattern as the biggest additional time consumption during playback. I solved this with two buffers. The whole …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

New Version works on my XT but is a bit slow. Maybe there is headroom for a bit of optimization. Matze79, thank you for retesting. I'm very happy that the tracker is now running on your XT, even if it's still a bit too slow. That it would run too slow I almost expected due to the timing problems in …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Regarding the volume, you can simply say that a Volume slide of 1 increase or decrease the volume by 0.5 for example. I tried a little bit with it. 0.5 is not optimal, because I can't write a decimal number into the chip register, so the numbers have to be rounded there again. And then 0.5 would be …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

You can see how mod master play Tandy .vgm here: https://youtu.be/PKg762dr4kE I checked your file format. It is quite compkex and it is too much dedicated to the tandy chip. There is few room for improvement. You use the frequency for reference for portamento and the tandy volume that is in log for …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Thank you all for testing and feedback! so if you were trying to "behave" properly, you'd change the rate of INT08 but still put in your 08 handler to call 1Ch at 18.2 Hz, or as close to that rate as you can IMO, a better approach is for the new IRQ 0 handler to finish by jumping to the BIOS IRQ 0 …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Hi! Many thanks for the nice welcome and I'm very happy about your support in troubleshooting the tracker. Thanks a lot! The $G- switch is set (avoid 80286 instructions). Besides that I have the possibility to choose 8087/80287 or emulation for numeric processing. So far the setting is emulation. …

Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Hi, I am Jan, the one who wrote this tracker. I've been meaning to sign up here for a long time and now I finally did it. Thanks to Matze some of my programs made it to Vogons before I did :) Since I knew that Matze uses an XT, I tried to support this system. But I cannot test it myself. I wrote the …

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