Mega Man 4/RAM map

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Joypad Memory

RAM

RAM Function Description Details
$14 Joypad 1 - Button Push Bits Bits possible values : [0 = Not Recently Pushed Down, 1 = Recently Pushed Down] Bits signification
$15 Joypad 2 - Button Push Bits Bits possible values : [0 = Not Recently Pushed Down, 1 = Recently Pushed Down] Bits signification
$16 Joypad 1 - Button Status Bits Bits possible values : [0 = Not Being Pressed Down, 1 = Being Pressed Down] Bits signification
$17 Joypad 2 - Button Status Bits Bits possible values : [0 = Not Being Pressed Down, 1 = Being Pressed Down] Bits signification


<a id="Joypad_Bits_Signification">Bits signification of $14, $15, $16, $17</a>

LSB to MSB

Bit Function Bit Function
0 Right 4 Start
1 Left 5 Select
2 Down 6 B
3 Up 7 A