Difference between revisions of "Sprite RAM Bug"
From GbdevWiki
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Only sprites 1 & 2 ($FE00 & $FE04) are not affected by these instructions. | Only sprites 1 & 2 ($FE00 & $FE04) are not affected by these instructions. | ||
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| + | Game Boy Color and Advance are not affected by this bug. | ||
Revision as of 20:27, 9 May 2017
The copy of Pan Docs hosted on this wiki is considered deprecated.
Pan Docs is now officially hosted on gbdev.io as a living document. Please go to https://gbdev.io/pandocs/ to read Pan Docs or to https://github.com/gbdev/pandocs to contribute.
Click here to go to this section of Pan Docs in the new location: https://gbdev.io/pandocs/#spriterambug
There is a flaw in the GameBoy hardware that causes trash to be written to OAM RAM if the following commands are used while their 16-bit content is in the range of $FE00 to $FEFF:
inc rr dec rr ;rr = bc,de, or hl ldi a,(hl) ldd a,(hl) ldi (hl),a ldd (hl),a
Only sprites 1 & 2 ($FE00 & $FE04) are not affected by these instructions.
Game Boy Color and Advance are not affected by this bug.
