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The MBX Expansion System


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#26 Ksarul OFFLINE  

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Posted Sat Mar 18, 2017 5:14 PM

And if you scroll down to the bottom of the linked page, you will see some of the best joysticks ever. . .



#27 Opry99er ONLINE  

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Posted Sat Mar 18, 2017 6:04 PM

Yowza!!!!

#28 sparkdrummer OFFLINE  

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Posted Sat Mar 18, 2017 8:04 PM

That pic is all wrong! I'm pretty sure the person putting the grab on ain't equipped with no stick!

#29 digdugnate OFFLINE  

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Posted Sun Mar 19, 2017 6:47 PM

lol- talk about haptic feedback.



#30 schmitzi ONLINE  

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Posted Fri Mar 24, 2017 11:35 AM

...maybe these are Wico´s never released "Command Control Famous Red Ball Duo´s" ?



#31 dphirschler OFFLINE  

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Posted Sat Mar 25, 2017 11:32 AM

I had an MBX back in the day, and all the games too.  It's all gone now though.  I never programmed for it, but I did use it quite a bit.  I seem to remember the analog joystick working for normal TI games.  Am I right?

 

Darryl



#32 PeBo OFFLINE  

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Posted Sun Mar 26, 2017 1:51 PM

I had an MBX back in the day, and all the games too.  It's all gone now though.  I never programmed for it, but I did use it quite a bit.  I seem to remember the analog joystick working for normal TI games.  Am I right?

 

Darryl

While I guess anything is possible in 2017 (maybe the file attached earlier to this thread will help), but no, the MBX joystick will only work with MBX games.

 

It was one of my chief disappointments with the device when I bought one back in the day. I only had two MBX cartridges at the time (Terry Turtle came with the unit (for some reason Baseball wasn't included in the one I got) and I picked-up Sewermania) and I remember being annoyed that I couldn't use the joystick on anything else.

 

If there were more units out there, I'm sure one of the AtariAge TI-wizards would have a whole slew of compatible programs for us, but alas, the MBX doesn't show up often, and when it does, it is usually "collector" priced (and IMHO $150-$200 US is just too much for a gadget that only supports 10 cartridges - 4 of which are pre-school games, and all but 2 of which work  perfectly well without the unit...)

 

If Starship Pegasus (aka Space Zap), Mail Drop, Green Muck, Football and Tennis had been released as planned, there might be a bit more value in an MBX, but the way I see it, the only reason to buy one nowadays is the bragging rights of owning one.

 

Sure would love to play Baseball though!



#33 Opry99er ONLINE  

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Posted Sun Mar 26, 2017 4:22 PM

Championship Baseball makes it worth the $$$.

#34 RickyDean OFFLINE  

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Posted Mon Mar 27, 2017 6:24 AM

While I guess anything is possible in 2017 (maybe the file attached earlier to this thread will help), but no, the MBX joystick will only work with MBX games.

 

It was one of my chief disappointments with the device when I bought one back in the day. I only had two MBX cartridges at the time (Terry Turtle came with the unit (for some reason Baseball wasn't included in the one I got) and I picked-up Sewermania) and I remember being annoyed that I couldn't use the joystick on anything else.

 

If there were more units out there, I'm sure one of the AtariAge TI-wizards would have a whole slew of compatible programs for us, but alas, the MBX doesn't show up often, and when it does, it is usually "collector" priced (and IMHO $150-$200 US is just too much for a gadget that only supports 10 cartridges - 4 of which are pre-school games, and all but 2 of which work  perfectly well without the unit...)

 

If Starship Pegasus (aka Space Zap), Mail Drop, Green Muck, Football and Tennis had been released as planned, there might be a bit more value in an MBX, but the way I see it, the only reason to buy one nowadays is the bragging rights of owning one.

 

Sure would love to play Baseball though!

Well, I'm going to brag... I own one :)



#35 PeBo OFFLINE  

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Posted Tue Mar 28, 2017 11:33 AM

Well, I'm going to brag... I own one :)

OK, I admit it, I suffer from brag envy (for the reason Opry99er stated as well as being able to use the dial (or whatever the rotating thingy at the top of the stick is called) for Superfly)

 

AND in case MBX Tennis and Football ever make a surprise appearance (don't laugh, none of us ever expected to be playing Tutankham or Robotron 2048 on real iron until recently, now they're a staple in nearly everyone's collection)



#36 --- Ω --- OFFLINE  

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Posted Tue Mar 28, 2017 11:45 AM

..., none of us ever expected to be playing Tutankham or Robotron 2048 on real iron until recently...

 

Currently Tutankham requires an UberGROM with an Atmel1284P and an AT49F040 at a cost of around $40.00 per cartridge.

It will be interesting to see if it can be converted for the FinalGROM 99 in the future.  If possible, anyone will be able to download it and run it nearly instantly.



#37 save2600 ONLINE  

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Posted Tue Mar 28, 2017 11:46 AM

Championship Baseball makes it worth the $$$.


Amen to that! After drooling over the MBX and Championship Baseball in the Triton and Tenex flyers BITD, finally landed a system a few years ago and can honestly say it exceeded my expectations. What a great combination to be sure and such a blast to play! Paid $150 for mine and was worth every penny. :love:

#38 acadiel OFFLINE  

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Posted Yesterday, 8:11 PM

 

Currently Tutankham requires an UberGROM with an Atmel1284P and an AT49F040 at a cost of around $40.00 per cartridge.

It will be interesting to see if it can be converted for the FinalGROM 99 in the future.  If possible, anyone will be able to download it and run it nearly instantly.

 

 

5 GROM Banks and 1 ROM bank is what is required.    Should work in the UberGROM as well as the FinalGROM99.  

 

From the best understanding that I have of the two (and if I'm wrong, someone please call me out):

 

FinalGROM99:  

  • has 512K of RAM for 64 banks or 56 banks + 5 GROMs

UberGROM:

  • has 512K of ROM for 64 banks of ROM + 120K of GROM (5 GROMs per GROM base in the GROMLOAD program, I believe, so 40K with 8K ROMs or 30K with 6K ROMs with all five full in one base.  Someone else will have to explain "the idiot's guide to multiple GROM Bases", because I've never really dug into it.)
  • Full specs:
  • 120k of GROM (re-writable in system with GROMCFG or custom user code, 256 bytes at a time)

    15k of GRAM

    4k of "G"EEPROM (or Non-volatile GRAM if you like, writable by single bytes, though 260 bytes are used for configuration.)

    4 General Purpose 5v Input/output pins, user-configurable

    4 8-bit analog to digital inputs

    1 high speed UART with 256 byte read and write buffers

    1 continuously running 16-bit 7.8KHz timer



#39 Tursi OFFLINE  

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Posted Today, 1:04 AM

Multiple GROM bases is analogous to bank switching, except all the banks are available all the time. Just pretend you have 16 cartridge ports, each accessed at a different address in the CPU's memory. That's exactly what it is, except there's only one cartridge port and the cartridge itself is responsible for figuring out which one you really wanted.

 

I guess the only other datapoint worth noting is the UberGROM was intended for new cartridge production, while the FinalGROM99 is intended to be a multicart. :)






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