One chip MSX improvement project

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By lintweaker

Champion (307)

lintweaker's picture

15-10-2020, 18:18

Received my DE0-CV and got HRA!'s version up and running (MSX2 and Turbo-R). Very cool.
Somehow the IPL will not boot from the uSD it seems, have to look into that.

Busy creating a 'DE0CM' (work in progress). Almost finished, mostly getting the PCB to the correct size.

By HRA!

Master (229)

HRA!'s picture

18-10-2020, 10:36

lintweaker wrote:

Received my DE0-CV and got HRA!'s version up and running (MSX2 and Turbo-R). Very cool.
Somehow the IPL will not boot from the uSD it seems, have to look into that.

Busy creating a 'DE0CM' (work in progress). Almost finished, mostly getting the PCB to the correct size.

Very nice!
My OCM改 support MSX-MIDI (currently send only). Therefore, we have added a MIDI port to DEOCM. If you're building a new board, it's best to have a MIDI port as well.

By lintweaker

Champion (307)

lintweaker's picture

18-10-2020, 11:12

HRA! wrote:

Very nice!
My OCM改 support MSX-MIDI (currently send only). Therefore, we have added a MIDI port to DEOCM. If you're building a new board, it's best to have a MIDI port as well.

Thanks! I am planning on integrating MIDI out using a 3.5mm TRS connector (type A, now a MIDI 2.0 standard).
Now that I have the DE0-CV I used it to debug my Cyclone v breakout board and also got your OCM working on it. It's a bit more difficult as it does not have the dip switches currently.
Looking forward to new OCM updates Smile

By lintweaker

Champion (307)

lintweaker's picture

18-10-2020, 11:28

My Cyclone V breakout (v1):

There are some extra goodies under the FPGA board (SRAM, Flash and SPI flash). Which will probably be not on the next revision where the joystick ports and a MSX cartridge port will be added and audio out integrated. Now it uses a I2S audio solution.

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