Guys like you make things work!!

Games I have, run in Intelligent Mode that looks up for genuine MPU-401 hardware.

1. Wing Commander
2. Wing Commander II
3. Princess Maker 2

I do not own a MPU-401 interface, so my SC 88-ST Pro is silent when running them in GM/GS or MT-32 sound option. I will be happy to post the result here later. (DOSBOX 0.61)

Weird, my Wing Commanders have worked nicely with DOSBOX before implementing the intelligent mode emulation... suspect they don't need it.

I will just confirm that "Princess Maker 2" works with my scc-1 and doesn't want to work with uart mode so that it requires intelligent mode.

A link to MPU-401 docs? Nah, it couldn't be, could it? 😎

Anyway, great to see someone got things rolling on the MPU-401 Intelligent mode.

459, what combination for MIDI u got? My sound module is silent in DOS as well for Wing Commander, not to mention DOSBOX. Robotmo has no interface issue because of SCC-1.

I think I will just wait for 0.62 release.

I have music in both Wing Commanders even without SCC-1. I suppose we have different versions of the game.

loh: could you e-mail me?

I have music in both Wing Commanders even without SCC-1.

What soundcard do you use if you don't use an SCC-1? Soundblaster? My WC1/2 won't communicate with the MT-32 through either an SB pro 2.0 or an AWE-32.

Alkarion:
You are right I have just checked and the game indeed doesn't work with my awe64 and onboard viaudio. It also doesn't work with SoundFX. Although it works in DosBox 0.61 and in VDMSound so I guess these programs do some intelligent mode tricks and the game works with Roland.

There actually exists a WC 2 patch, downloadable at
ftp://ftp.wcnews.com/files/wing2/wc2p.zip

But I don't know if it alters any MPU-401 functionality.

This is excellent!!

Alkarion
I cannot test MIDI in DOS because I have only a USB MIDI cable. MSFT GS wavetable synth works, then my sound module must work too! So I tried (speech thru onboard sound chip) with the following combination

1. USB sound device (USB MidiKit)
2. GS 88-ST Pro (reset map to MT-32)
3. MPU-401 option set to TRUE in DOXBOX 0.61
4. Sound Option set to Roland MT-32 or LAPC-1

The result is right. If intelligent mode is not available in 0.61 then WCs do not need it. One thing I am sure that AWE32's EMU8000 emulation for MIDI cannot work with WC. (tested that years ago in DOS)

Let me get this straight, you have to use this emulator with DOSbox, but does it have to be used with the MT-32 emulator or can it be used with any MIDI device of your choice?

it can be used with any MIDI device of your choice

Princess Maker 2 also uses intelligent mode.
Music plays only if mpu-401 IRQ is 9.
Can anyone confirm this on real mpu-401 or LAPC?
(btw. other games such as those from leged entertainment work only with irq=2).

robertmo wrote:

I will just confirm that "Princess Maker 2" works with my scc-1 and doesn't want to work with uart mode so that it requires intelligent mode.

Roland SCC-1 has got intelligent MPU-401. I have configured it for irq2/9. it works with princess maker 2 and also with legend games. SCC-1 and LAPC-I have only one setting for irq2/9 so it is not possible to set only 2 or only 9.

Just in case I will add that I have just checked it and it works on my Athlon 2400+, GeForceFX5200, Roland LAPC-I

Look at the choice you have on jumpers:
SCC-1 http://www.crossfire-designs.de/index.php?lan … d%20SCC-1&num=3
LAPC-I http://www.crossfire-designs.de/index.php?lan … %20LAPC-1&num=3

My guess (based on what you said) is that irq2 is remapped to irq9, but the card will also work if the game accesses irq9 directly.

So it works...

MPU-401 device calls irq 2/9 when it needs data. Problem is that irq 2 is masked (i.e call is blocked) for PM2, while 9 is unmasked. For legend ent. games it's the opposite.
I see that only ints 2-7 can be chosen on card, so PM2 should work with irq 2 (which redirects to irq 9, as we know).
So I'll have to figure why it doesn't work in emulation.

uhm dosbox itself isn't entirely correct you know

the if(i==2) i=9; line is flawed is such way that it can only be reached by
having irq 2 unmasked and active.......

while in reality ir9 will be active if the mpu put's its irq 2 line up (so it doesn't care about irq2 being active and or masked. )

(well it should be to some extend as officially irq 9 will not happen if 2 is masked due to the cascading) (dosbox doesn't care about irq 2 being masked when starting irq 9 though (lazy shortcut to save some speed))

One more game using intelligent mode:

"Wonderland"

Works ok.