Welcome to Data Crystal's new home! Data Crystal is now part of the TCRF family (sort of).
The wiki has recently moved; please report any issues in Discord. Pardon the dust.
The wiki has recently moved; please report any issues in Discord. Pardon the dust.
Mega Man 4/RAM map
Jump to navigation
Jump to search
Joypad Memory
RAM
RAM | Function | Details |
$14 | Joypad 1 - Button Push Bits | Bits possible values : [0 = Not Recently Pushed Down, 1 = Recently Pushed Down] |
$15 | Joypad 2 - Button Push Bits | Bits possible values : [0 = Not Recently Pushed Down, 1 = Recently Pushed Down] |
$16 | Joypad 1 - Button Status Bits | Bits possible values : [0 = Not Being Pressed Down, 1 = Being Pressed Down] |
$17 | Joypad 2 - Button Status Bits | Bits possible values : [0 = Not Being Pressed Down, 1 = Being Pressed Down] |
- LSB to MSB
Bit Function Bit Function 0 Right 4 Start 1 Left 5 Select 2 Down 6 B 3 Up 7 A
Sprite/Object Arrays
RAM
RAM | Function | Details |
$300-$317 | Object ID | |
$318-$32F | X Coordinate Ratio Counter | |
$330-$347 | X Coordinate | |
$348-$35F | X Screen (Level Screen) | |
$360-$377 | Y Coordinate Ratio Counter | |
$378-$38F | Y Coordinate | |
$390-$3A7 | Y Screen | |
$3A8-$3BF | Horizontal Speed Low | |
$3C0-$3D7 | Horizontal Speed High | |
$3D8-$3EF | Vertical Speed Low | |
$3F0-$407 | Vertical Speed High | |
$408-$41F | Substance_and_Shape | |
$420-$437 | Direction_Bits | |
$438-$44F | Enemy Number# of Level | Useful to $FC9E to know which enemy to disable. |
$450-$467 | Enemy HP |