... with mandatory information about signal polarity from blocks ID 18, ID ...

... with mandatory information about signal polarity from blocks ID 18, ID ...

Having a mandatory starting polarity specification is a bad idea, ... impossible to determine the starting polarity of the first block so ... is a need for the polarity information, there is always the ... no need to have the polarity info in the other bocks ...

... some previous discussion about the polarity of the block, I still ...

... some previous discussion about the polarity of the block, I still ...

... some previous discussion about the polarity of the block, I still ... player plays at the wrong polarity, the game fails to load ...

... player plays at the wrong polarity, the game fails to load ...

... have an option to switch polarity.

D ...

Yep, I had a word about that with Mike Wynne.
For all that are interested:
The polarity info in the header is obsoleted by the Symbol flags directly in the Symbol table (see the SYMDEF structure format).

... of Spin and enable the polarity setting. I'm not
sure if polarity works in Spectaculator 6.25 ...

... .61 enabled the "invert tape polarity" and loaded the game finished ...

... will retain the "invert tape polarity" switch for authenticity. With the ... player used would have the polarity wrong. Now, any emulator supporting ...

... /> The question of the polarity info is a bit controversial ... myself would leave out the polarity information completely (and leave ... handling of polarity for the emulators) exactly ... Wynne seems to like the polarity info (for ZX-81 ...

... conversion application.

Concerning polarity: in 99% of cases the ... polarity information won't appear into ... almost always contain 00 (flip polarity, as usual) for the vast ...

... would probably use the Set Polarity Block, but in this case ...

... "dead" batteries to reverse their polarity, but I've never actually ...

... : 9v DC, 1.4A (centre polarity = -ve)
TFT tv: 11W ...

... ok so long as the polarity is correct and it puts ...

I don't know how to check polarity and I thought it couldn't have more than 1.2A.

... 't know how to check polarity and I thought it couldn ... .[/QUOTE]

Well the polarity thing is not too big ... got mine, particularly about the polarity but it ended up not ...

Looks good, its got the adapter heads too, just have to make sure you put it on the right way before you plug it in (thats the polarity).

... not same results depending on polarity of wav. And depending ... 48k vs. +2) the optimus polarity is just the oposite one ... that only works with one polarity. (Non Plus Ultra, Delta ... />
(trick about polarity: You can simulate invert polarity by pressing key ...

tried reversing the polarity yet ? in spin one can do that ...

... TZX needs to have specified polarity then it is preffered ... that the polarity is set at the ... to explicitly set the polarity of the 0x19 block ... finished with the same polarity and if there is ... applies to block 0x18 lacking polarity also, so I won ...

no, not strong enough. Voltage ok, but you need at least an Amp (1000 mA). 2.1mm power plug and centre (hole) must be negative polarity.

Would a Megadrive 1 PSU be OK? They're negative polarity 1.2A / 9v I believe...

I think the connector may be the same too.

... be OK? They're negative polarity 1.2A / 9v I believe ... ]

If by negative polarity you mean the centre hole ...

... will work regardless of the polarity. We were proven otherwise ... this will effectively reverse the polarity of the next block (because ... will start with the opposite polarity). For this reason the ... block will have the same polarity than the previous one.< ...

... />
Of course there are polarity dependent loaders out there (many ... block without worrying about the polarity, and implementors would not have ...

... two symbols, if it is polarity-sensitive and so on. Maybe ...