rename and clean up _Start, Init
hram: hWX, hWY
$ffd1 $ffd2 -> hWX hWY
hram: hSCX, hSCY
$ffcf $ffd0 -> hSCX hSCY
update hram addresses in engine/vblank.asm
comment program init functions
MBC3SRAMEnable is actually MBC3SRamEnable
copyright graphics
johto/kanto maps