1943: The Battle of Midway (NES)/ROM map

The following article is a ROM map for 1943: The Battle of Midway (NES).

Text data

Letter values

$00 - !

$01 - [C]

$02 - %

$03 - ts

$04 - =

$05 - [unknown]

$06 - ?

$07 - [unknown]

$08 - [beginning of quote]

$09 - ,

$0A - " [end of quote]

$0B - [two horizontal dots?]

$0C - .

$0D - black and blue

$0E - -

$0F - [blue tile]

$BC to $CB - same as $00 to $0F

$CC to $D5 - 0 to 9

$D6 to $EF - alphabet in order from A to Z

Text

0x1931E - PUSH START BUTTON

0x19332 - ONLY ONE PLAYER

0x19344 - START

0x1934C - PASS WORD

0x19356 - © 1988 CAPCOM CO. LTD ® CAPCOM, U.S.A., INC

0x19388 - LICENCED BY NINTENDO

0x193B1 - IN 1943, OUR MAIN FLEET AND THE ENEMY'S MOBILE UNIT HAVE BEGUN INTENSE BATTLE OFF THE COAST OF VALHALLA ISLAND. DURING THE BATTLE WE HAVE SUFFERED TREMENDOUS LOSSES AND LOST THE CARRIER. HAWKNEST, YOU ARE OUR ONLY HOPE. DESTROY TOTAKU!

0x1951F - VISUAL CONTACT WITH SURFACE FORCES CONFIRMED COMMENCING ATTACK!

GFX locations [ROM]

0x10 to 0x600F - sprite GFX 0x8010 to 0x1000F - other GFX

$100 - $1FF: Ship/Bomber turret buffer

Map

Turret attributes are 8 bytes long in RAM 00 11 22 33 44 55 66 77

00=Destruction timer - If not set to FF, counts down to 0 with the turret sprite displayed as flame and then disappears

11=X position of turret

22=If not set to 00, turret is not shown

33=Y position of turret

44=Turret type (see below)

55=Unknown

66=Unknown

77=Unknown

Turret types

$00 - Napalm Turret

$01 - Anti-Aircraft turret

$02 - Anti-Aircraft turret

$03 - Medium sized battleship turret

$04 - Anti-Aircraft turret

$05 - Large battleship turret

$06 - Small battleship turret

$07 - Anti-Aircraft turret

$0A - Bomber backside turret

$0B - Bomber topside turret

$0C - Bomber leftside turret

$0D - Same as $03

$0E - Nothing

$0F - Bomber cockpit

$10 - Bomber rightside turret

Layout for 1 turret

YY ?? TT XX

YY: Y position

??: Unknown

TT: Turret Type

XX: X position

Boss 1 turrets: 0x1310C