Castlevania: The Adventure:RAM map

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Address        Description
0xC030-C032    Hi-Score (C030 = ones and tens, C031 = hundreds and thousands, C032 = tens of thousands)
0xC034-C036    Current Score

0xC171-C172    Channel 1 music note pointer?
0xC173         Channel 1 music note timer
0xC178         Channel 1 music note cuts/releases/echo?
0xC17C         Channel 1 music octave
0xC17D-C17E    Channel 1 music pitch
0xC181         Channel 1 music volume envelope
0xC183         Channel 1 music note length before silence?
0xC196-C197    Channel 2 music note pointer?

0xC00C         Input held (1: right. 2: left. 4: up. 8: down. 10: a [jump]. 20: b [whip]. 40: select. 80: start.) Copied to C41A.
0xC00D         Input pressed this frame. (As above.) Copied to C41D.
0xC300-C39F    Copied to OAM (0xFE00-FE9F)
0xC3C8-C3C9    Copy of C00C,C00D; used only during input polling routine for robustness to entropy.
0xC436         Level Timer's seconds
0xC437         Level Timer's minutes
0xC505         Timer related to Christopher whipping
0xC50A-C50C    Christopher's current X position (pixels and sub-pixels)
0xC50D         Christopher's jump state? ($00 = grounded, $01 = jumpsquat, $0F = rising, $0A = falling)
0xC50E         Christopher's gravity (sub-pixels, normally $60)
0xC50F-C510    Christopher's current Y velocity (pixels and sub-pixels)
0xC511-C512    Christopher's current Y position in camera? (pixels and sub-pixels)
0xC513         Christopher's current X position in camera
0xC514         Christopher's action state and pose ($01 = standing/walking, $02 = crouching/jumping, $03 = whipping, $05 = crouch-whipping, $09 = climbing rope...)
0xC515         Bit 5 of this is facing ($20 = right; 0 = left)
0xC519         Christopher's current health
0xC51B         Christopher's current whip attack type ($00 = grounded, $01 = jumping, $02 = crouching)
0xC41A         Copy of 0xC00C. Code prefers to read this address instead of 0xC00C for some reason. 0xC00C seems to be exclusively read/written during the input polling routine.
0xC41D         as above, for input pressed this frame.