CPU memory map: Difference between revisions
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| $2008 || $1FF8 || [[Mirroring|Mirrors]] of $2000 every 8 bytes | | $2008 || $1FF8 || [[Mirroring|Mirrors]] of $2000 every 8 bytes | ||
|- | |- | ||
| $4000 || $0018 || [[APU|NES APU]] and [[I/O registers]] | | $4000 || $0018 || [[APU|NES APU]] and [[2A03|I/O registers]] | ||
|- | |- | ||
| $4018 || $FFFF || Cartridge PRG ROM, cartridge PRG RAM, and [[MMC|mapper registers]] | | $4018 || $FFFF || Cartridge PRG ROM, cartridge PRG RAM, and [[MMC|mapper registers]] | ||
Revision as of 02:31, 8 June 2010
| Addr | Size | Device |
|---|---|---|
| $0000 | $0800 | 2KB internal RAM |
| $0800 | $0800 | Mirrors of $0000-$07FF |
| $1000 | $0800 | |
| $1800 | $0800 | |
| $2000 | $0008 | NES PPU registers |
| $2008 | $1FF8 | Mirrors of $2000 every 8 bytes |
| $4000 | $0018 | NES APU and I/O registers |
| $4018 | $FFFF | Cartridge PRG ROM, cartridge PRG RAM, and mapper registers |
$FFFA - NMI vector
$FFFC - Reset vector
$FFFE - IRQ/BRK vector
