| Bits 0-19: index of the first IO page to map; Bit 20: Map read-only (otherwise read-write). Another 0b11111111100x must follow this one to denote the (exclusive) end of the IO range to map.
|-
|-
| <code>0b111111111110</code>
| <code>0b111111111110</code>
−
| Mapping IO address
+
| Map single IO page
| Bits 0-19: IO page index to map; Bit 20: Map read-only (otherwise read-write)
| Bits 0-19: IO page index to map; Bit 20: Map read-only (otherwise read-write)