Re: [openMSX-devel] Input handling, part 2

[Eric B. <er...@au...>]

Manuel Bilderbeek wrote:

> Both not.

(*cough*)neither(*cough*)

> - USA, UK, INT: the dead key may be put in any place (so, only these 
> have a dead key..? No, the layout diagrams suggest all have dead keys, 
> except Japanese.)
> - DIN, French: the < and > keys mab be put to the left of the left-hand 
> SHIFT key, but that might need hardware revision

I think these are hardware ehm... mechanical issues, not really
interesting for us.

> "5.2.5 DEAD KEY functions for international MSX versions:
> When an "a", "e", "i", "o", "u", or "y" key is entered after the SHIFT, 
> GRAPHICS, CODE or DEAD keys are entered, the accented character is 
> entered instead. The dead-keyh is valid only for the "a", "e", "i", "o", 
>   "u", "y" and SPACE keys. (Note: the latter inputs a loose accent 
> character.)
> 
> If a designated character does not exist in the character set, a normal 
> non accented character is entered. E.g., when the dead key and a Y key 
> of INT are pressed, an accent grave "y" is not entered, but a normal one.

I guess all this is handled in the MSX BIOS - the emulator just needs to
send a [DEAD]-pressed/released event...

> Can we use a host environment compose method to type accented 
> characters, in character mode?

And how should openMSX respond in this case, if the emulated MSX doesn't
have accented characters on its keyboard?