Vhd interface for victor hc90/95

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By popolon_

Champion (364)

popolon_ さんの画像

01-04-2023, 18:18

Victor HC-5,6, and 7 are listed as usable for this IF 7900 cartridge (of course superimpose module must be present in HC-5/6). But of course it is likely that some VHD games cannot be run because of low memory in HC-5 (and in HC-6?)

And the connection that i am using (RGB21 used as input for VHD signal, and output also to TV) is not listed in this manual. The connections in manual are all showing TV sets that can superimpose composite input with RF signal (or another composite signal).

By mars2000you

Enlighted (6481)

mars2000you さんの画像

01-04-2023, 18:27

popolon_ wrote:

Victor HC-5,6, and 7 are listed as usable for this IF 7900 cartridge (of course superimpose module must be present in HC-5/6). But of course it is likely that some VHD games cannot be run because of low memory in HC-5 (and in HC-6?)

Thanks for the clarification, I was surprised by this addition in the text about HC-5, only the manual could give the definitive answer!

引用:

And the connection that i am using (RGB21 used as input for VHD signal, and output also to TV) is not listed in this manual. The connections in manual are all showing TV sets that can superimpose composite input with RF signal (or another composite signal).

The RGB21 was optional and sold separately.

By popolon_

Champion (364)

popolon_ さんの画像

01-04-2023, 18:37

popolon_ wrote:
引用:

And the connection that i am using (RGB21 used as input for VHD signal, and output also to TV) is not listed in this manual. The connections in manual are all showing TV sets that can superimpose composite input with RF signal (or another composite signal).

The RGB21 was optional and sold separately.

But superimpose module (if not already present) is in any case needed as this manual says. So why not even mention this connection method?

By popolon_

Champion (364)

popolon_ さんの画像

01-04-2023, 18:41

by the way, can one sent 16 megabyte pdf to file-hunter? and if yes, what is the e-mail address?

By Pencioner

Scribe (1563)

Pencioner さんの画像

01-04-2023, 18:46

@popolon_ look here https://www.msx.org/users/tfh

By popolon_

Champion (364)

popolon_ さんの画像

01-04-2023, 18:58

ok, i sent scanned IF-7900 manual as pdf to that e-mail address.

I did not update the S1, S2, S3 command descriptions in wiki, as there are quite many status bits (in lower and upper byte) there listed in manual. And VHD player status bits depend on used VHD player also.
And that L command is not clear for me how to describe that.

By popolon_

Champion (364)

popolon_ さんの画像

01-04-2023, 19:02

Thunder storm game lists Victor HC-6 (+superimpose module) and HC-7. so Victor HC-5 cannot be used to play that game, at least not without adding memory somehow.

By mars2000you

Enlighted (6481)

mars2000you さんの画像

01-04-2023, 19:23

popolon_ wrote:

ok, i sent scanned IF-7900 manual as pdf to that e-mail address.

I did not update the S1, S2, S3 command descriptions in wiki, as there are quite many status bits (in lower and upper byte) there listed in manual. And VHD player status bits depend on used VHD player also.
And that L command is not clear for me how to describe that.

I will see what I can do for these commands after reading of the manual.

By popolon_

Champion (364)

popolon_ さんの画像

01-04-2023, 19:31

Quick testing with C9D in HC-7 cartridge port shows that all those VP commands would seem to work. That A -command is really so that it puts the given command into "background" and executes the given command(s) when the given condition is really met. So if I put that frame number must be over 3000, it executes the given commands after the frame number is really over 3000. I can however type other commands meanwhile, for example inquire the frame number.

By mars2000you

Enlighted (6481)

mars2000you さんの画像

01-04-2023, 20:46

A smart system this "super-command" Smile

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