ColecoVision CMS Cartridge
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This board is made to store 31 rom files into a single Flash or UVPROM (1M x 8 bits).
To use it, you need a specific 'bootloader' stored at the bank 0 location (first 32k bytes).
All other rom images must be stored into the other 32K bytes banks.

Running the bootloader lets you choose a rom image (between 31 images), switches to the corresponding memory bank and launches the image. 



Files
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Colecovision-Cms.sch : Schematics (Eagle 5.0.0)
Colecovision-Cms.brd : PCB (Eagle 5.0.0)

ColecoVision-Cms-Pcb-Lower.png : 600dpi 'Solder layer' (lower side)  
ColecoVision-Cms-Pcb-Upper.png : 600dpi 'Component layer' (upper side)
ColecoVision-Cms-Pcb-toner.png : 600dpi Printable sides

ColecoVision-Cms-Pcb.png : 600dpi full board
ColecoVision-Cms-Sch.png : 600dpi schematics

Part list
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IC1 : 74HC574D
IC2 : 74HC21D
IC3 : 27C080
IC4 : 74LS688DW

Usage
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Concatenate the bootloader (not delivered yet) with 31 32K bytes image files to get a 1M byte file then burn it.


Any suggestions or comments are welcomed (contact buzz.computer.free.fr)

Enjoy !

Buzz