Super Castlevania 4 Notes
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RAM Map
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$7E:1C04  INT16  Alphabet selection cursor, X coord, password selection screen.  [0......8]
$7E:1C06  INT16  Alphabet selection cursor, y coord, password selection screen.  [0......3]
$7E:1C08  INT16  Written name cursor, X coord, password selection screen.        [0......7]
$7E:1700  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1701  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1702  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1703  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1704  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1705  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1706  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1707  INT8   Written name letter array, password selection screen.           [TABLE-01]
$7E:1C20  INT8   Password figs. matrix[0,0], password selection screen.          [TABLE-02]
$7E:1C21  INT8   Password figs. matrix[0,1], password selection screen.          [TABLE-02]
$7E:1C22  INT8   Password figs. matrix[0,2], password selection screen.          [TABLE-02]
$7E:1C23  INT8   Password figs. matrix[0,3], password selection screen.          [TABLE-02]
$7E:1C24  INT8   Password figs. matrix[1,0], password selection screen.          [TABLE-02]
$7E:1C25  INT8   Password figs. matrix[1,1], password selection screen.          [TABLE-02]
$7E:1C26  INT8   Password figs. matrix[1,2], password selection screen.          [TABLE-02]
$7E:1C27  INT8   Password figs. matrix[1,3], password selection screen.          [TABLE-02]
$7E:1C28  INT8   Password figs. matrix[2,0], password selection screen.          [TABLE-02]
$7E:1C29  INT8   Password figs. matrix[2,1], password selection screen.          [TABLE-02]
$7E:1C2A  INT8   Password figs. matrix[2,2], password selection screen.          [TABLE-02]
$7E:1C2B  INT8   Password figs. matrix[2,3], password selection screen.          [TABLE-02]
$7E:1C2C  INT8   Password figs. matrix[3,0], password selection screen.          [TABLE-02]
$7E:1C2D  INT8   Password figs. matrix[3,1], password selection screen.          [TABLE-02]
$7E:1C2E  INT8   Password figs. matrix[3,2], password selection screen.          [TABLE-02]
$7E:1C2F  INT8   Password figs. matrix[3,3], password selection screen.          [TABLE-02]

[TABLE-01]

Password/Name selection screen table.

$00 - Blank space
$02 - '1'
$03 - '2'
$04 - '3'
$05 - '4'
$06 - '5'
$07 - '6'
$08 - '7'
$09 - '8'
$0A - '9'
$0B - 'A'
$0C - 'B'
$0D - 'C'
$0E - 'D'
$0F - 'E'
$10 - 'F'
$11 - 'G'
$12 - 'H'
$13 - 'I'
$14 - 'J'
$15 - 'K'
$16 - 'L'
$17 - 'M'
$18 - 'N'
$19 - 'O'
$1A - 'P'
$1B - 'Q'
$1C - 'R'
$1D - 'S'
$1E - 'T'
$1F - 'U'
$20 - 'V'
$21 - 'W'
$22 - 'X'
$23 - 'Y'
$24 - 'Z'

[TABLE-02]

Password selection icons.

$00 = Blank
$01 = Axe
$02 = Holy water
$03 = Heart