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Project: HDMI/DVI out for STFM

Progress on our FPGA cores.
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Smonson
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Re: Project: HDMI/DVI out for STFM

Post by Smonson »

For those who couldn't see the photo before, sorry about the delay. Here it is again.
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exxos
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Re: Project: HDMI/DVI out for STFM

Post by exxos »

Just need to find a HDMI cable now :pullhair:

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troed
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Re: Project: HDMI/DVI out for STFM

Post by troed »

... and connect VSYNC ;)
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Re: Project: HDMI/DVI out for STFM

Post by exxos »

Found a HDMI cable, only like a foot long :roll: Connected Vsync... and nothing :(

Oddly my TV switches to EXT input (scart) even though I select HDMI from the menu :shrug:

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troed
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Re: Project: HDMI/DVI out for STFM

Post by troed »

There's a LED on the underside of the blue board, facing the DVI connector. You can see the LED's reflection in the connector. If it's steady red, it means the FPGA is picking up the expected 160256 cycles for each VSYNC. If it's flashing it means it isn't (which might mean the computer is doing something it shouldn't).
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Re: Project: HDMI/DVI out for STFM

Post by troed »

Oh, and check orientation of the flat cable. edit: looks fine. Caught me out once though.
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Re: Project: HDMI/DVI out for STFM

Post by exxos »

troed wrote: Thu Aug 30, 2018 6:08 pm There's a LED on the underside of the blue board, facing the DVI connector. You can see the LED's reflection in the connector. If it's steady red, it means the FPGA is picking up the expected 160256 cycles for each VSYNC. If it's flashing it means it isn't (which might mean the computer is doing something it shouldn't).
Its just staying red... my monitor screen flickers when I power on the ST, but does nothing else.. I will see if my multisync monitor has hdmi input...
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Re: Project: HDMI/DVI out for STFM

Post by troed »

exxos wrote: Thu Aug 30, 2018 6:17 pm Its just staying red... my monitor screen flickers when I power on the ST, but does nothing else.. I will see if my multisync monitor has hdmi input...
Check HALT on your CPU as well if you get no picture on another screen as well. Steady red means the GLUE is doing it's job at least.
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Re: Project: HDMI/DVI out for STFM

Post by exxos »

troed wrote: Thu Aug 30, 2018 6:32 pm Check HALT on your CPU as well if you get no picture on another screen as well. Steady red means the GLUE is doing it's job at least.
ST is running.. its loading stuff from the floppy...
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Re: Project: HDMI/DVI out for STFM

Post by exxos »

My multisync monitor just shows this...

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