651
edits
(Created page with "frame|ZXI logo The ZXI (ZX Interface) standard is for devices that are attached to the Spectrum edge connector. ZXI compliant devices are inter-operable with eac...") |
|||
Line 17: | Line 17: | ||
#FF3B - ULAplus data | #FF3B - ULAplus data | ||
#BF3B - ULAplus register | #BF3B - ULAplus register | ||
#xB3B - Development/Testing. These ports should only be used during device development. | |||
#053B - Reserved | |||
#043B - Reserved | |||
#033B - Spectranet page A memory select | #033B - Spectranet page A memory select | ||
#023B - Spectranet page B memory select | #023B - Spectranet page B memory select | ||
Line 23: | Line 26: | ||
</pre> | </pre> | ||
Devices with the same function, for example IDE interfaces, may be allocated the same ports on the basis that only one of these devices should be connected at a time. | |||
== Port Decoding == | == Port Decoding == |