Recent Posts

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1
Emulators / Re: How to Poke on Winape
« Last post by yorgos on Today at 11:14 »
Thanks a lot !  :)


I'll give it a try !



2
General Discussion - Introductions / Re: Music copyright and YouTube videos
« Last post by keith56 on Today at 11:07 »
I have very little knowledge on this, but I'll share what I have,

I uploaded a video for my employer (that was made for us by someone else), and it seems the music was probably just copied off a cd or something...

The file was *Immediately* detected as having the music, and I was notified that the video would run with adverts (the channel is unmonetized)- with the earnings of the adverts going to the copyright holder.

It's my understanding that copyright holders have two choices - earn from your video, or take the video down.

In our case we licensed some music from shutterstock and replaced the soundtrack, as we didn't want someone elses adverts running on our video.

Youtube has a good selection of 'Creative Commons' music in a library on their site - if I was doing a personal project and needed music and I couldn't make my own I'd use that (or some other indie music creator) - as otherwise you're running the risk of your video being taken down at some point in the future... and of course you could get a copyright strike on your channel too.
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Other retro / Atari 400, Atari 850, and DECtalk DTC01
« Last post by LambdaMikel on Today at 11:01 »
Here is test of my recently acquired Atari 850 interface (features 4 serial and 1 parallel port) - talking to DECtalk DTC01 at 9600 bauds:

https://youtu.be/Wb6WQOGmtZs

Connection to the speech synth is via null modem cable.
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General Discussion - Introductions / Music copyright and YouTube videos
« Last post by ComSoft6128 on Today at 08:23 »
Hi,

Hopefully I will be making a few short CPC YouTube videos in the near future. I wish to use various instrumental tracks from the 80's and 90's as background music and would pay a license fee to YouTube if required. However, having had a look at the info available the picture appears confused. Does anyone have any experience in this area?

Cheers,

Peter
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General Discussion - Introductions / Re: Hello CPCWiki
« Last post by RetroUnlim on Today at 04:40 »
Thanks Keith56! 👍
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Amstrad CPC hardware / Re: very simple Expansion Interface (new to CPC)
« Last post by Prox on Yesterday at 23:52 »
Quote from: TotO on Yesterday at 22:41
Your way to do is something like a bank manager for expansion slots... To allow to have all the boards at the same address range to not require to decode them.
It is interresting, but if I understand well, you have to set the port and the slot each time you want to access it. And you can't use the expansions without the slots expansion board.


This to save something like 50cts per expansion?  ;D

By the way, I'm curious to see the final result.


well the card you access is stored in a register on the board itself, once it's set the card on the selected slot will permanently be enabled until the value in the External Register is changed.

so if you were to move data from one RAM card to another RAM card it would probably go like this:


* Set Slot number of the first RAM Card in the External Register
* Move as much data as needed (or as much as can fit) from the RAM Card to the CPC RAM
* Set Slot number of the second RAM Card in the External Register
* Move the data from Internal RAM to the RAM Card
* Repeat until done

also if i had the knowledge about designing PCBs i would probably make this right away, i do have all the chips required. (though i don't have 2x25 pin connectors for MX4 cards)
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Games / Re: Pinball Dreams, new game from Batman Group!!
« Last post by zeropolis79 on Yesterday at 23:42 »
Quote from: Nich on 21:06, 17 March 19
I think if any physical version were to be released, then Rebellion would probably want some of the profits.
Well, if somone can put it onto a real 3" disc for me (naturally I'd supply the disc and return postage), I'd be very thankful.
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Amstrad CPC hardware / Re: New "Next Generation Speech Synthesizer" for the CPC 464
« Last post by LambdaMikel on Yesterday at 22:51 »
Just got mail from OshPark - the first batch is already on the way!
Will know on Sunday if the design works  :)
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Amstrad CPC hardware / Re: very simple Expansion Interface (new to CPC)
« Last post by TotO on Yesterday at 22:41 »
Your way to do is something like a bank manager for expansion slots... To allow to have all the boards at the same address range to not require to decode them.
It is interresting, but if I understand well, you have to set the port and the slot each time you want to access it. And you can't use the expansions without the slots expansion board.


This to save something like 50cts per expansion?  ;D

By the way, I'm curious to see the final result.
10
Amstrad CPC hardware / Re: very simple Expansion Interface (new to CPC)
« Last post by Prox on Yesterday at 21:42 »
Quote from: Bryce on Yesterday at 15:05
But what signal are you using to enable/disable each card? And what about cards that contain Flash/EPROM/ROMs that need to be accessed directly?

Btw, there's a list here of most hardware expansions, what port they use and how much of the address bus they decode: http://www.cpcwiki.eu/index.php/I/O_Port_Summary


Bryce.


like on the pseudo-diagram, it uses a single External Register to select the card you want to access. it's the automated equivalent of plugging in/out cards while the CPC is running, only difference you don't actually need to pull anything out/in and the disabled cards remain powered.


also i don't see any problem with ROM/RAM cards as they still have access to the full 50 pin expansion connector. so they would work perfectly find, but only if they are the selected card, as soon as you select another one the RAM/ROM would seeming disapear from the address range.


Quote from: TotO on Yesterday at 15:57
The CPC had potentially 65536 I/O ports (4096 for the users, because #Fxxx) ... All others Z80 computers only 256. And usually, an expansion board require 1, 2 or 4 ports to work.
So, why not simply using free ports or ranges for your expansion like everybody does? You have 16 times more the choice!  ;D
On MSX, many expansions exist, and nobody looks to have problems to deal with them.


Your idea is nice, but... Hey, return 30 years ago to do a standard because today it is late... All the I/O range is fragmented.  :-\
Do you really require so much I/O to redo the wheel for your incomming expansions?


By the way, you are free to allow 16x 256 I/O slots (as well as 256x16 I/O) into your decoding system. Just think that will be not compatible with the existing.
Obviously, it is not a problem if you are only using your own expansion boards!!!  ;)





the point was not really because i or anyone needs that many ports, but because this prevents port clashing of already existing and potential future expansion cards. and it would still be compatible with existing MX4 cards, because all of the decoding and logic is done on the splitting card, not the expansion cards


also, why does the wiki have a list of used ports, but not a list or diagram of free ports. (like a memory map, but with IO)
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