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Uppermost Page

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The Uppermost Page is the contiguous region of 256 bytes in ARAM with the highest possible address, located at $FF00. It/offsets within it are abbreviated "upage."^[1]

Both TCALL and PCALL utilize it.

The 64-byte SPC700/IPL ROM lives in the uppermost page.

See Also

Reference

Appendix C-1 of Book I of the official Super Nintendo development manual

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