$000000-$3FFFFF - ROM

$400000-$9FFFFF - Unused

$A00000-$A0FFFF - Z80

$A10000-$A1001F - I/O

$A10020-$BFFFFF - Miscellaneous



$C00000-$C0001F - VDP

$C00020-$DFFFFF - VDP mirrors

$E00000-$FFFFFF - RAM (it repeats each $10000, so $E00000

is the same as $E20000 and $FF0000. Most games use $FF0000-$FFFFFF)