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By S0urceror

Master (186)

S0urceror's picture

19-07-2021, 08:58

mars2000you wrote:

It is different from new MSX2+ based on FGPA, because it is based on Raspberry PI 3B+, which is a computer itself.

Yes MSXVR is emulating the MSX1/2/2+/TR on a RPI3B. But it also goes further in that it has it's own specialised hardware to allow cartridges, joystick ports, HDMI, USB, wifi, ethernet, etc. On top of that it has it own DOS, BASIC, SCRIPT that go beyond what the MSX ever did. As a result it became the MSX that never was. And therefore, difficult to pinpoint into one category.

mars2000you wrote:

Maybe also a FGPA category as sub-category of the Emulation category, just because FGPA is actually hardware emulation.

Having done FPGA's myself, on the DE10-NANO, I know that after programming a FPGA the chip starts electrically behaving as the real piece of hardware. Down to the microsecond level in 1's and 0's. This is not hardware emulation it is hardware re-creation in today's chip form-factor. Again difficult to pinpoint where it sits.

Anyway, I focus on the MSXVR for now. Let's first add some content in the current place. Afterwards we can always move it to any category we believe it should be.

P.S. The 1-chip-MSX currently sits under MSX2/2+ categories

By gdx

Enlighted (4693)

gdx's picture

19-07-2021, 10:05

S0urceror wrote:

Yes MSXVR is emulating the MSX1/2/2+/TR on a RPI3B. But it also goes further in that it has it's own specialised hardware to allow cartridges, joystick ports, HDMI, USB, wifi, ethernet, etc. On top of that it has it own DOS, BASIC, SCRIPT that go beyond what the MSX ever did. As a result it became the MSX that never was. And therefore, difficult to pinpoint into one category.

I don't see much difference with OpenMSX which would have a good MSX cartridge adapter. The integration is more extensive but overall it stills the same. I was a little hesitant to do an MSXVR categories but since it's something different from the MSX I prefer to leave the choice to people. Do they want us to talk about the specifics of MSXVR on MRC? There is already a dedicated MSXVR discussion thread. I don't know if it's enough or not.
Otherwise, OpenMSX has its own section in the forums. Why not add a section for the MSXVR, if there is demand.

S0urceror wrote:

The 1-chip-MSX currently sits under MSX2/2+ categories

Because the FPGA chip electrically behaves as the real piece of hardware when properly programmed. These devices directly boot on the MSX system without going through an intermediary.

By mars2000you

Enlighted (5984)

mars2000you's picture

20-07-2021, 12:19

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