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Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-11-19, 17:14

in Release Announcements

in Release Announcements

Release 6 now brings optimizations to reduce memory usage especially for QEMM (previously EMM386 code needed to be loaded to resident part of the program when QEMM was used). But this release is mainly about mixer locking. Please, read the first post of this thread or readme included in the zip file …

Re: XT-IDE on Artisoft AE3 NIC

Posted on 2021-11-05, 16:46

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Have you generated checksum byte if you have downloaded XTIDE Universal BIOS from the Pre-Built Binaries Download Centre ? Those do not have checksum byte. You are supposed to configure them with xtidecfg.com and flash with it or just save the changes in case you use some other way to make the ROM. …

Re: How about a MR-BIOS ROM file repository?

Posted on 2021-10-23, 17:48

in Marvin \ Software

in Marvin \ Software

I've had this MR-BIOS EPROM many years. It came with several removed Flash and EPROM chips so I don't know what motherboard it originally belongs to. There was 386sx written on the MR BIOS sticker and at the end of the BIOS image there are Microid ResearchVer V1.0F and OPTI317 mentioned. Here it is. …

Re: Is there a way to prevent DOS games from changing your sb mixer settings?

Posted on 2021-10-23, 08:22

in Marvin \ Sound

in Marvin \ Sound

In theory EMM386 based solution could be made that traps writes to the mixer and makes them ineffective but someone will have to make such a thing first. I was already planning to add such option to MIDIto along with few other Sound Blaster related stuff that require messing with mixer settings. …

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-10-20, 07:00

in Release Announcements

in Release Announcements

New release (5). EMM386 can now be used with NOEMS and AUTO parameters and the Adlib delay is much better now and Sound Blaster OPL ports are included. First I decided it would be enough to just read the SET BLASTER string and determine ports from there. But future releases in mind I decided to …

Re: Wonders of 486 DX4, Treasures inside

Posted on 2021-10-11, 16:47

in Marvin \ System Specs

in Marvin \ System Specs

I got something new: https://drive.google.com/uc?export=download&id=1-8TLnh7mQ6DAO3MF8ndMnWEm1zenXXRM This is the CPU I think might be best for this system but we'll see. Not sure when. Midito has taken time way more than I initially thought. And I'm having many more ideas for it. Some may not be …

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-10-01, 18:07

in Release Announcements

in Release Announcements

Gmlb256 wrote on 2021-10-01, 17:54: And SoftMPU works with EMM386 and EMS disabled, however it still doesn't work with MIDIto though. Strange. Maybe I should read SoftMPU sources to see if EMM386 port trapping is setup somewhat differently.

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-10-01, 18:03

in Release Announcements

in Release Announcements

If there's no EMS it has no reason to trap any ports. That makes perfect sense. I'm sure that is the reason. I did a lot of testing with EMM386 and port trapping since it is not so well documented. My findings can be read from ResCode.asm if anyone else is interested in port trapping. I compared …

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-10-01, 17:49

in Release Announcements

in Release Announcements

There was an error in release 4 version information (it is fixed now). I had code to add the user defined delay to data port only but I removed it and forgot to update the TXT that I had already written. The implementation was insufficient so I removed it completely for now.

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-10-01, 13:17

in Release Announcements

in Release Announcements

I didn't see that edit until now but I already found the bug. Now the version check should work properly. Release 4 adds a new feature: It is now possible to disable Adlib ports completely. Idea is to force CMS support for games that do now allow it if Adlib is found. However, only Adlib-ports are …

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-09-24, 15:55

in Release Announcements

in Release Announcements

Release 3 adds support for QEMM. It wasn't as easy as I thought it would be but now it is done.

Re: MIDIto - relocate hardcoded port 330h to somewhere else

Posted on 2021-09-17, 18:18

in Release Announcements

in Release Announcements

Release 2 now extends port range for PCI cards. I didn't know ports that high would be required but I've avoided PCI cards on DOS so no wonder. I suppose the NOEMS parameter just can't be used then. EMM386 should be better documented. EMS memory does not have anything to do with port trapping but …

Re: Wonders of 486 DX4, Treasures inside

Posted on 2021-09-16, 18:50

in Marvin \ System Specs

in Marvin \ System Specs

And here is MIDIto. I hope it helps someone other than me as well.

MIDIto r12 (Midi and FM redirection, Mixer locking, Sound Blaster fixes)

Posted on 2021-09-16, 18:48

in Release Announcements

in Release Announcements

Many of the older General Midi games are hardcoded to use port 330h. It is not a problem if you have only one MIDI device. But if you do have more, wouldn't it be nice if you could choose what device to use? MIDIto tries to do just that. It uses EMM386 or QEMM to trap ports and redirect data …

Re: Wonders of 486 DX4, Treasures inside

Posted on 2021-09-15, 15:35

in Marvin \ System Specs

in Marvin \ System Specs

I haven't had time to do anything with my DX4, not even start experimenting the SIS slowdown stuff a little bit. I've spend all time I could on the MIDI port trapping (it will be called MIDIto) and I'm quite pleased with it. It works nicely on DX4 and on Copam as well. Having Dreamblaster X2 on …

Re: Wonders of 486 DX4, Treasures inside

Posted on 2021-09-10, 17:27

in Marvin \ System Specs

in Marvin \ System Specs

Before starting the SIS slowdown, I decided to do the MPU port trapping. And success. 330h and 331h are now successfully directed to 320h and 321h and that is where the X2GS is found. I have absolutely minimal implementation at the moment meaning no command line options or even any way to uninstall …

Re: S3 805 color depth mystery

Posted on 2021-09-10, 14:16

in Marvin \ Video

in Marvin \ Video

805 does not support 24bit.

Re: Ultimate multi-sound card setup?

Posted on 2021-09-10, 04:40

in Marvin \ Sound

in Marvin \ Sound

It has been a long road to find this combination but it is the best I've come up for my DX4 system : Labway with Yamaha YMF71x for Sound Blaster Pro support + X2GS for Roland GM/GS (at port 320) Sound Blaster AWE64 Gold for SB16 support (well mainly for PC speaker, actually) Gravis Ultrasound ACE …

Re: WP32 McCake : MT32 compatible waveblaster board

Posted on 2021-09-09, 09:46

in Marvin \ Sound

in Marvin \ Sound

Good to know. I no longer should have any connection problems with wavetable header so if the problem happens again, I'll know it must be power issue. I use quite typical 200W AT PSU with 20A to 5V rail and 8A to 12V rail. I do have all ISA/VLB slots in use so power consumption is more than typical …

Re: Wonders of 486 DX4, Treasures inside

Posted on 2021-09-09, 09:34

in Marvin \ System Specs

in Marvin \ System Specs

I was hoping to avoid power management functions (to avoid need for TSR) but it should be considered as well. However I'm quite sure I'd need to have the 496/497 chipset for supporting it. The simpler stuff (turbo mode, L2 cache, memory timings) I should be able to support without having 496/497 …

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