Re: 7MHz in A1WX

2000-09-04 Thread Roberto E. Vargas Caballero





 Very interesting. So this MSX2+ has a Z80H instead of a Z80A?
  

No, this MSX2+ have a Z80B, and it can run on  6MHz mode, and don't on 7
MHz.



Roberto Vargas Caballero







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Re: 7MHz in A1WX

2000-09-04 Thread Jose Angel Morente

 Correct way to change 3.5 MHz to 7MHz mode in Panasonic A1WX (MSX 2+) is:

 OUT 64,8:OUT 65,0

 Very interesting. So this MSX2+ has a Z80H instead of a Z80A?
 And it is only software-switchable?

It is switchable trough the MSX-Engine.
And I think it is 6MHz, not 7Mhz 



Un saludo,


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FYI: 7MHz in A1WX

2000-09-03 Thread Ahti Soilamaa





Correct way to change 3.5 MHz to 7MHz mode in 
Panasonic A1WX (MSX 2+) is:

OUT 64,8:OUT 65,0

~Soilamaa


Re: 7MHz in A1WX

2000-09-03 Thread Manuel Bilderbeek

Correct way to change 3.5 MHz to 7MHz mode in Panasonic A1WX (MSX 2+) is:

OUT 64,8:OUT 65,0

Very interesting. So this MSX2+ has a Z80H instead of a Z80A?
And it is only software-switchable?
Is this feature documented in that machine? Does any software use it?

Please tell me more!

Best regards,

Manuel

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