SMAS-SMB1 Memory Map

SMAS-SMB1 Memory Map

I would like to give credit to the people of https://www.360docs.net/doc/761685815.html, for having a Memory Map and Disassembly info on the Bros. I just wish I saw it long before I did so much work without it. XP

7E0000-

7E0007:Scratch RAM for many subroutines

7E0009:Animation frame

7E000A:Controller data 1

Bit8-Jump

Bit7-Dash

7E000B:Controller data 2

Bit4-Up

Bit3-Down

7E000C:Controller data 3

Bit2-Left

Bit1-Right

7E000D:’Controller data 1’ from previous frame

7E000F:Number of subroutines to run in game engine on next frame

7E0010-

7E0018:Sprite on screen flag

7E0019:Flag for block object sprites

7E001C-

7E0024:Sprite to create on screen

7E0025:Sprite to create out of block objects

7E0028:Player state

7E0029-

7E0032:Sprite state

7E0033-

7E0034:Fireball state

7E0035-

7E0037:Block object state

7E0039-

7E0041:Misc. object state

7E0042:Position of screen

7E0043:Page of screen

7E0046:Direction of player (1=left; 2=right)

7E0047-

7E004F:Direction of sprite

7E0050:Direction of block object sprites

7E005C:Map type

00-Underwater

01-Ground

02-Underground

03-Castle

7E005D:Player’s horizontal spee d

7E005E-

7E0066:Sprite’s horizontal speed

7E0067:Horizontal speed of powerup sprite

7E0068-

7E0069:Horizontal speed of fireball

7E006A-

7E006B:Horizontal speed of block object sprites (block is always zero) 7E006C-

7E006D:Horizontal speed of misc. sprites

7E0078:Page of player

7E0079-

7E0082:Page of sprite

7E0083:Page of powerup

7E0084-

7E0085:Page of fireball

7E0086-

7E0087:Page of block sprites

7E0088-

7E0089:Page of misc. sprites

7E0092-

7E0095:Page of air bubble

7E0099:GFX index value for bank loading.

7E009E:Sprite Object offset

7E009F-Air status

FC-Just jumped

FF-Maximum jump time

04-Falling

7E00A0:Player’s vertical speed

7E00A1-

7E00A9:Vertical speed of sprite

7E00AA:Vertical speed of powerup

7E00AB-

7E00AC:Vertical speed of fireball

7E00AD-

7E00AE:Vertical speed of block object sprites

7E00AF-

7E00B0:Vertical speed of misc. sprites

7E00B6-

7E00B8:Vertical speed of coin sprites (from blocks)

7E00BA:Current background palette and Music.

00-Light Blue and Underwater.

01-Light Blue and Ground

02-Black and Underground

03-Black and Castle (Also changes ground tileset)

7E00BB:Position of Mario

00-Top of screen (above status bar)

01-Inside range (anywhere he can shoot fireballs)

02-In pit (value increases up to 6)

7E00BC-

7E00C4:Position of sprites

7E00C5:"Sprite came from block" flag (will not reset)

7E00C6-

7E00C7:"Mario shot a fireball" flag (will not reset)

7E00C8-

7E00C9:"Hit a block/brick" flag (will not reset)

7E00D3-

7E00D4:"Came from block" flag (will not reset)

7E00D8-

7E00DA:3-byte pointer for certain stages (unknown meaning [?]) 7E00DB:Layer 2 Background

00-Underwater (short)

01-Underwater (full)

02-Underwater (castle)

03-Night sky (w/o mountains)

04-Outside castle (W8-3)

05-Mountains and trees

06-Night sky (w/ mountains)

07-Night sky (w/ mountains & snow)

08-Mountains

09-Waterfall

0A-Goomba statues/pillars

0B-Narrow green hills (W2-1)

0C-One big mountain w/ underground palette

0D-Narrow hills w/ snow (W5-1)

0E-Mario/Luigi Bonus room

0F-Mushrooms

10-Night sky (w/o mountains)

11-Night sky (w/ mountains)

12-Mushrooms

13-Mountains

14-Narrow hills w/ snow (W5-1)

15-Narrow orange hills

16-Narrow hills w/ snow

17-Mario/Luigi bonus room

18-Night sky (w/ mountains)

19-Underground

1A-Underground

1B-Mario/Luigi bonus room (underground)

1C-Castle

1D-Castle w/ pillars & chandeliers

1E-Castle w/ pillars

1F-Castle w/ pillars

20-Castle w/ pillars & doors

21-Castle w/ windows w/ thunder & lightning

7E00DE:Sprite interaction X-position

7E00E0:Possible stomp/hit counter by Mario/Shell.

7E00E2:Sprite interaction types

7E00F6:Flag for vertically extendable objects.

7E00F7:Increases as level progresses (object related?)

7E00FA:Low byte to level address

7E00FB:High byte to level address

7E00FC:Page to load level data from

7E00FD:Low byte to enemy address

7E00FE:High byte to enemy address

7E00FF:Page to load enemy data from

7E010B:Three byte object flag

7E0110-

7E0115:Point value for killing an enemy

00-None

01-100

02-200

03-400

04-500

05-800

06-1000

07-2000

08-4000

09-5000

0A-8000

0B-1UP

7E0156-

7E0200:Stack (Values up to $01D6 are usually empty)

7E0202:Left or right status

1-Facing right

2-Facing left

7E0203-

7E0207:Control variables used by fire bars (all) or victory mode ($34- $35 only)

7E020C:Powerup on screen.

00-Mushroom

01-Fire Flower

02-Star

03-1UP Mushroom

7E020F-

7E0213:Hammer Bros. jump timer

7E0219:X-position of Mario sprite

7E021A-

7E0222:X-position of sprites

7E0223:X-position of powerup

7E0224-

7E0225:X-position of fireballs

7E0226-

7E0227:X-position of brick sprites

7E0228-

7E0229:X-position of smashed brick debris

7E0233-

7E0235:X-position of air bubble

7E0237:Y-position of Mario sprite

7E0238-

7E0240:Y-position of sprites

7E0241:Y-position of powerup

7E0242-

7E0243:Y-position of fireballs

7E0244:Y-position of brick sprites

7E0245-

7E0246:Y-position of smashed brick debris

7E0257-

7E025F:Sprite on screen flags (value of 0x20)

7E0287-

7E0289:Address to load GFX (bank and high byte)

7E028C:”Stop animation” flag.

7E0388:Spinning speed of fire bars

7E03AD:Mario's X-position

7E03D9-

7E03E1:Off-screen masked control bits, used by enemy objects

7E043C:Vertical speed of Mario

7E043D-

7E0445:Vertical speed of sprites

7E0481:Hurt Flag

7E0490-

7E0498:Value depending on sprite movements

7E0500-

7E05CF:Object layout in current page.

7E05D0-

7E069F:Object layout in next page.

7E06A0:Page of screen in hex. (goes to 0x1F)

7E06A1-

7E06AD:What 16x16 block covers non-written tiles in a level (consult Map16.png for list of 16x16 tiles).

7E06AE-

7E06B6:Enemy offsets used in conjunction with hammers

7E06BE-

7E06BF:Fireball bounce flag

7E06C9:Will stay at 0xFF when in a level and 0x00 when not.

7E06CC:Hard flag (after W5-3)

7E06CE:Number of fireballs shot

7E06D1:Timer used to delay Lakitu’s reappearance.

7E06D5:Mario movement tiles

7E06D6:Warp Zone control

7E06FF:Related to Mario's speed

00-No movement

01-Slow right

02-Moderate right

03-Fast right

FF-Slow left

FE-Moderate left

FD-Fast left

7E0700:Mario's speed

7E0701:Star power flag (Doesn't actually give you Star Power, just says that you have it)

7E0704:Swimming Flag

0-Walking

1-Swimming

7E0705-Left or right speed

0-Full left movement, minimal right movement

80-Normal left and right movement

FF-minimal left movement, full right movement

7E0709:Maximum jump height (lower value=higher jump)

7E070A:Related to Mario's max fall speed and max jump off of enemies.

7E070B:Timer for turning big to small and small to big

7E070C:Mario's tilesets while walking/running after a jump.

7E070D:Mario's tilesets while walking/running

7E0710:Mario's starting Y-position properties.

0-(Y=-1) Falling From Sky

1-(Y=-1) Start of Area: X, From Another Room; Falling From Sky

2-(Y=10) Start on Ground

3-(Y=4) Halfway off Ground

4-(Y=-1) Falling From Sky

5-(Y=-1) Falling From Sky

6-(Y=10) Auto walk on Ground

7-(Y=10) Auto walk on Ground

7E0711:Related to Mario's fireball stance tileset.

7E0715:Mario's starting time.

00-Not set

01-400

02-300

03-200

7E0716-Mario goes through stuff flag.

0-No

1-Yes (Also includes the basic floor, so watch out) (only takes effect after jumping)

7E071A:Page of screen (in hex; increments when $0726 is 1, not 0) - 1.

7E071B:Page of screen (in hex; increments when $0726 is 1, not 0).

7E071D:X-Position of screen.

7E071E:Level entrance related

7E0720:Is 0x04 on every odd numbered page and 0x00 on even.

7E0721:X-pos. of screen (always even?/goes to 0x1E)

7E0723:Scroll stop flag

7E0725:Page of screen (in hex)

7E0726:X-pos. in 16x16 intervals.

7E0727:Brick set for start of level.

00-None

01-Basic Floor

02-Basic Floor and Ceiling

03-Basic Floor and 3 Layer Ceiling

04-Basic Floor and 4 Layer Ceiling

05-Basic Floor and 8 Layer Ceiling

06-5 Layer Floor and Ceiling

07-5 Layer Floor and 3 Layer Ceiling

08-5 Layer Floor and 4 Layer Ceiling

09-6 Layer Floor and Ceiling

0A-Ceiling

0B-6 Layer Floor and 4 Layer Ceiling

0C-9 Layer Floor and Ceiling

0D-Basic Floor, 3 Layer Gap, 5 Layer Bricks, 2 Layer Gap, and Ceiling

0E-Basic Floor, 3 Layer Gap, 4 Layer Bricks, 3 Layer Gap, and Ceiling

0F-All

7E0728:Page to load when reentering a room through a pipe

7E0729:Behind-renderer flag used if area objects behind renderer

7E072A:Page of screen relative to page skips.

7E072B:Page halves

00-Second half of current page

01-First half of current page

7E072C-

7E072D:Total number of objects (adds per byte by object)

7E0730:Area object data offset buffer flag/length counter

7E0733:Ground set

00-Green and trees

01-Orange and mushroom

02-Bullet machines

03-Ground as cloud

7E0735:Vertical length of object, used in rendering

7E0739:Total number of sprites (adds per byte by sprite)

7E073A:Page of most recent sprite (only increments when $073B is set)

7E073B:Sprite page properties

00-No sprite in the next page

01-Sprite in the next page

7E0741:Layer 1 BG

00-Nothing

01-Water tiles

02-Castle Wall (taken out of the game)

03-Over water

7E0742:Layer 1 Scenery

00-None

01-Clouds

02-Grass

03-Fence

7E0743:Cloud terrain type override flag

7E0744:Is 4 if the Layer 1 BG < 3.

7E0745:Incrementer in Loop command spot.

7E0747:Kill decrement sequence.

F0-Mario moves up then down, his death movement.

3C-Start level over routine.

7E0748:Amount of coins collected in current map.

7E074F:Map without it's map type.

7E0750:Map

7E0751:Page to load when entering an underground bonus room or any other room change.

7E0752:Entering another map.

02-Flag.

03-After exiting a Cloud Bonus map.

7E0753:Change character palette

7E0754:Small Mario flag.

7E0755:X-position of Mario relative to screen

7E0756:Current powerup

00-Small

01-Big

02-Fire

7E0757:Flag for no time set or auto walk sequence.

7E0759:Time up death

7E075A:Lives

7E075B:Page Mario starts on in the level.

7E075C:Written number for current level.

7E075E:Coins for current player.

7E075F:Current world.

7E0760:Current level.

7E0761:Previous player’s lives.

7E076A:"More difficult quest" flag

7E0772:Related to Mario being in a level.

00-Screen goes to black.

01-Pause time and make sprites disappear.

02-Blink back on then go to 3.

03-Normal.

7E0777:Pause game flag.

7E0778:Pause screen expands until this value decrements to zero. 7E077A:2 Player Game flag

7E077F:Small flag for previous player

7E0780:Previous player's powerup.

0-Small

1-Big

2-Fire

7E0781: "More difficult quest" flag for previous player.

7E078F:Speed of the time. Lower values make it go faster.

7E07A2-

7E07A9:Time to wait before Hammer bros. start moving.

7E07AD:Time a multi-coin block lasts.

7E07AE:Hurt frame counter

7E07AF:Star frame counter

7E07B7-

7E07BD:Sprite status junk

7E07C8:Seventh digit in High Score display

7E07C9:Sixth digit in High Score display

7E07CA:Fifth digit in High Score display

7E07CB:Fourth digit in High Score display

7E07CC:Third digit in High Score display

7E07CD:Second digit in High Score display

7E07CE:Seventh digit for Mario's current score

7E07CF:Sixth digit for Mario's current score

7E07D0:Fifth digit for Mario's current score

7E07D1:Fourth digit for Mario's current score

7E07D2:Third digit for Mario's current score

7E07D3:Second digit for Mario's current score

7E07D4:Seventh digit for Luigi's current score

7E07D5:Sixth digit for Luigi's current score

7E07D6:Fifth digit for Luigi's current score

7E07D7:Fourth digit for Luigi's current score

7E07D8:Third digit for Luigi's current score

7E07D9:Second digit for Luigi's current score

7E07DE:Second digit for Mario's coins

7E07DF:First digit for Mario's coins

7E07E4:Second digit for Luigi's coins

7E07E5:First digit for Luigi's coins

7E07E9:Third digit in timer

7E07EA:Second digit in timer

7E07EB:First digit in timer

7E07FC:"More difficult quest" flag (affects everything)

7E08D0-

7E08DF:Mario's tileset related. The first byte deals with the 8x8's X- position relative to the screen. The second byte is the Y. The third byte is the tile (includes walking animation when doing

so). The fourth byte is the tile properties. This repeats for

all 8 tiles that make up Mario/Luigi.

7E0B6B:Pause menu timer.

7E0B6D:Left border of pause menu screen.

7E0B6F:Right border of pause menu screen.

7E0B71:Top border of pause menu screen.

7E0B73:Bottom border of pause menu screen.

7E0E21:Level counter.

7E0E65:Layer 2 BG clone

7E0E74:Alternate frame counter

7E0E7F:Related to when Mario enters or exits a map.

00-Nothing.

01-Mario exits the current map.

02-Mario enters a new map.

7E0EC2:Change character tileset flag

7E0EC3:

7E0EC9:No objects flag [?]

7E0ECC:X-pos. of screen (always odd?/goes to 0x1F)

7E0ECD:Is 0x04 on every odd numbered page and 0x00 on even.

7E0EE8:Counter for the screen's X-pos in 16x16. (starts at 0x18) 7E0EE9:Another counter starting at 0x23.

7E0F9F:Mario's Y position

7E0E74-Alternate frame counter

7E0F9F-Mario's Y position

7E1000-

7E11FF:Level Palette

7E1201:Brightness. $0F is Max

7E1202:Something related about HDMA Background gradient color?

7E120A:Something related about Transparency?

7E1300-

7E1304:Area object data offset buffer flag/length counter

7E1305-

7E1309:Area object data offset buffer

7E1400-

7E140F:The red intensity of the HDMA BACKGROUND colors.

7E1460-

7E146F:The green intensity of the HDMA gradient colors.

7E14C0-

7E14CF:The blue intensity of the HDMA gradient colors.

7E1600:Sound Effects 1

00=Nothing

01=Hit an unbreakable brick

02=Stomped an enemy

03=Kicked a shell.

04=Entered a pipe or got hurt

05=End of level [SMW]

06=Nothing [?]

07=Dry Bones fell apart [SMW]

08=Stomp and echo

09=Got some air in your cape [SMW]

0A=Got a Powerup

0B=ON/OFF switch [SMW]

0C=SMB3 noise [?]

0D=Star Warp [SMW]

0E=Swim noise [SMW]

0F=Hit when flying [SMW]

10=SMB3 Noise [?]

11=Silence!

12=Nothing [?]

13=Shell hit an enemy.

14=Then another.

15=And another ...

16=And another!

17=And another!!

18=And another!!!

19=AND ANOTHER!!!!

1A=OMG THATS A LOT OF ENEMIES!!!!!

1B=Saw noise [SMW]

1C=Yoshi Coin [SMW]

1D=100 time left!

1E=P-Balloon [SMW]

1F=Killed a boss [SMW]

20=Yoshi spit up something [SMW]

21=Mysterious thunder [?]

22=Nothing [?]

23=Falling [SMB2/The very beginning with the door in the sky, I think] 24=Nothing?

25=Blargg [SMW]

26=Firework in the air [SMW]

27=Firework explode [SMW]

28=Firework in the air [SMW]

29=Firework explode [SMW]

2A=Message Box [SMW]

2B=Pulled a Vegetable [SMB2]

2C=Bird opened mouth [SMB2]

2D=Bird closed mouth [SMB2]

2E=???

2F=Pause [SMB2]

30=Climb a vine

31=Cherry [SMB2] [?]

32=???

33=Hurt [SMB2]

34=SMB2 Noise [?]

35=???

36=???

37=Hammer throw

38=SMB3 Noise [?]

39=SMB3 Noise [?]

3A=SMB3 Ship

3B=SMB3 Noise [?]

3C=SMB3 Noise [?]

3D=???

3E=???

3F=???

40=Ribbit?

41=???

42=???

43=Pause

44=Pause

45=Thunder (W8 Castle)

46=Mario goes down flag.

47=Yoshi coin x2 [SMW]

7E1601:Sound Effects 2

00=Nothing

01=Jump

04=Slip

10=Wind

11=Jump, then wind

14=Slide, then wind

7E1602:Sound Effects 3

00=Nothing

01=Bonus Room

02=Overworld Theme

03=Underwater Theme

04=Fighting Bowser

05=The Final Fight!

06=Underground Theme

07=Underground Theme

08=Castle Theme

09=Died

0A=Game Over

0B=Victory against Bowser!

0C=Cleared the level!

0D=Star Power!

0E=The End!

0F=The End!

14=Opening Theme

15=Opening Theme [Lost Levels]

7E1603:Sound Effects 4

00=Nothing

01=Coin

02=Mushroom/Flower appeared

03=Some other powerup

04=Spin Jump [SMW]

05=1UP

06=Shoot Fireball

07=Brake Brick

08=Springboard

09=Bullet Bill

0A=Egg Opened [SMW]

0B=Yoshi thing [SMW] [?]

0C=Drop Powerup [SMW]

0D=Drop Powerup [SMW]

0E=Move screen [SMW]

0F=Open Door [SMW]

10=Close it [SMW]

11=Drum role

12=End Drum

13=Nothing

14=SMW noise [?]

15=New event [SMW]

16=Castle Broke [SMW]

17=Flame [SMW]

18=Thunder in Bowser Valley [SMW] 19=Crack

1A=Explosion

1B=Fuse

1C=Select [SMB3]

1D=Time almost up [?]

1E=Whistlin' Chuck

1F=Hopped on Yoshi

20=Wendy fell in Lava

21=Stick out tongue

22=Save screen on Overworld

23=Moved to tile on Overworld

24=???

25=Spin stomp

26=Bird flap

27=Flame

28=Stomped big enemy

29=Right

2A=Wrong

2B=Pop and fall

2C=Pop and fall

2D=???

2E-

34=Flame

35=Low rumble?

36=Switch?

37=Glurp?

38=Item in Toad's house

39=Part 2 of item

3A=SMB3 Noise

3B=sound

3C=Lift something [SMB2]

3D=Saw [?]

3E=Switch [?]

3F=SMAS noise

40=SMAS noise

41=SMAS noise

42=Low hum

43=SMB3 level entrance

44=Tick

45=Snowy noise [?]

46=Boss noise [?]

47=Warp Noise

48=Flap

49=Snow noise [?]

4A=Explosion

4B=Time to points

4C=End of it

4D=Pipe In [SMB2]

4E=Pipe Out

4F=Thud

50=Stomp

51=Kick

52=Hurt [SMW]

53=Level end [SMW]

54=Dry Bones

55=Dry Bones

7E1706:Third digit in timer (graphic value) 7E1708:Second digit in timer (graphic value) 7E170A:First digit in timer (graphic value)

7E1746:Current world

7E174A:Current level

7E2000-

7ECFFF:Layer 2 Map 16 Data.

7ED000-

7EDCFF:Layer 2 BG tiles. Coded weirdly. :/ 7F3000-

7F3A7F:Layer 3 BG clouds.