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Line 1,830:
Line 1,830: − When loading into $cX using xdst instruction, ACL($cX) is set to at least 3 (probably 0x1F?). − Spilling a $cX to DMEM using xdld instruction is allowed if (ACL($cX) & 2). − Line 1,841:
Line 1,838: + + + + + + +
→ACL
=== ACL ===
=== ACL ===
{| class="wikitable" border="1"
{| class="wikitable" border="1"
! Bit
! Bit
| 1 || Valid data
| 1 || Valid data
|}
|}
==== Initial values ====
On SCP boot, the ACL is 0x1F for all $cX.
Loading into $cX using xdst instruction sets ACL($cX) to 0x1F.
Spilling a $cX to DMEM using xdld instruction is allowed if (ACL($cX) & 2).
=== csigauth ===
=== csigauth ===