ZXI standard: Difference between revisions

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[[File:zxi.png|thumb|ZXI logo]]
[[File:zxi.png|thumb|ZXI logo]]
[[File:zxi_outline.png|64px|thumb|ZXI outline logo]]
[[File:zxi_outline.png|64px|thumb|ZXI outline logo]]
The ZXI (ZX Interface) standard is for devices that are attached to the Spectrum edge connector. ZXI compliant devices are inter-operable with each other without conflicts. Certified devices may display the logo on their case, in their manuals, and on-screen.
The [https://zxdesign.itch.io/zxi ZXI (ZX Interface)] is for devices that are attached to the Spectrum edge connector. ZXI compliant devices are inter-operable with each other without conflicts. Certified devices may display the logo on their case, in their manuals, and on-screen.


== Background ==
== Background ==
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Current ZXI port assignments with A15 low:
Current ZXI port assignments with A15 low:
<pre>
<pre>
#04-7F: Unassigned
#70-7f: MB03+
#6E-6F: SAA1099 Sound card (MB03+ and eLeMeNt ZX)
#40-6D: Unassigned
#31-3F: Unassigned
#30  : NEXT (Unofficially allocated)
#26-2F: Unassigned
#24-25: NEXT (Unofficially allocated)
#20-23: Unassigned
#16-1F: Unassigned
#10-15: NEXT (Unofficially allocated)
#04-0F: Unassigned
#03  : Spectranet page A memory select  
#03  : Spectranet page A memory select  
#02  : Spectranet page B memory select
#02  : Spectranet page B memory select
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*[[Spectranet]]
*[[Spectranet]]
*[[MB03+ Ultimate]]


{{CC-BY-SA-techwiki|ZXI_interface_standard|ZXI_interface_standard}}
{{CC-BY-SA-techwiki|ZXI_interface_standard|ZXI_interface_standard}}
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