Talk:Errata

Some things to add by people who know what these refer to:

PPU: must wait a couple of vblanks before chip is fully active

PPU: can't reliably write to ports more often than several CPU cycles apart

Page-crossing pointer quirks:

JMP ($nnnn)

($nn),Y

($nn,X)

I don't understand this ceaveat

 In horizontal or 4-screen mirroring, writing $2000 at the exact start of horizontal blanking may cause the PPU to start reading from the first pattern table instead of the second.
 (Workaround: Don't disable NMI during active picture. Instead, use a variable to lock out reentrant NMI.)

Can someone rewrite it with a better wording so that non-native english speakers understand it ? Bregalad (talk) 05:12, 4 November 2013 (MST)