diff --git a/gamecube-ascii-keyboard-keycodes.jpg b/gamecube-ascii-keyboard-keycodes.jpg
new file mode 100644
index 0000000..28d805e
Binary files /dev/null and b/gamecube-ascii-keyboard-keycodes.jpg differ
diff --git a/src/gckeybrd.h b/src/gckeybrd.h
index 61bc0c6..7b29916 100644
--- a/src/gckeybrd.h
+++ b/src/gckeybrd.h
@@ -3,6 +3,8 @@
 
 #include <gctypes.h>
 
+#include "gckeymap.h"
+
 /**
  * Attempts to detect the presence of a GC Keyboard Controller connected to any of the controller ports.
  * Returns the SI channel of the found keyboard controller, or -1 if one could not be found.
diff --git a/src/gckeymap.h b/src/gckeymap.h
new file mode 100644
index 0000000..97c6c7e
--- /dev/null
+++ b/src/gckeymap.h
@@ -0,0 +1,93 @@
+#ifndef GCKEYMAP_H_INCLUDED
+#define GCKEYMAP_H_INCLUDED
+
+#define KEY_HOME           0x06  // fn + up
+#define KEY_END            0x07  // fn + right
+#define KEY_PAGEUP         0x08  // fn + left
+#define KEY_PAGEDOWN       0x09  // fn + down
+#define KEY_SCROLLLOCK     0x0a  // fn + insert
+
+                                 // PSO EP1&2 Keymap
+                                 //  normal   shift
+#define KEY_A              0x10  //    a        A
+#define KEY_B              0x11  //    b        B
+#define KEY_C              0x12  //    c        C
+#define KEY_D              0x13  //    d        D
+#define KEY_E              0x14  //    e        E
+#define KEY_F              0x15  //    f        F
+#define KEY_G              0x16  //    g        G
+#define KEY_H              0x17  //    h        H
+#define KEY_I              0x18  //    i        I
+#define KEY_J              0x19  //    j        J
+#define KEY_K              0x1a  //    k        K
+#define KEY_L              0x1b  //    l        L
+#define KEY_M              0x1c  //    m        M
+#define KEY_N              0x1d  //    n        N
+#define KEY_O              0x1e  //    o        O
+#define KEY_P              0x1f  //    p        P
+#define KEY_Q              0x20  //    q        Q
+#define KEY_R              0x21  //    r        R
+#define KEY_S              0x22  //    s        S
+#define KEY_T              0x23  //    t        T
+#define KEY_U              0x24  //    u        U
+#define KEY_V              0x25  //    v        V
+#define KEY_W              0x26  //    w        W
+#define KEY_X              0x27  //    x        X
+#define KEY_Y              0x28  //    y        Y
+#define KEY_Z              0x29  //    z        Z
+#define KEY_1              0x2a  //    1        !
+#define KEY_2              0x2b  //    2        "
+#define KEY_3              0x2c  //    3        #
+#define KEY_4              0x2d  //    4        $
+#define KEY_5              0x2e  //    5        %
+#define KEY_6              0x2f  //    6        &
+#define KEY_7              0x30  //    7        '
+#define KEY_8              0x31  //    8        (
+#define KEY_9              0x32  //    9        )
+#define KEY_0              0x33  //    0        ~
+#define KEY_MINUS          0x34  //    -        =
+#define KEY_CARET          0x35  //    ^        ~
+#define KEY_YEN            0x36  //    \        |
+#define KEY_AT             0x37  //    @        `
+#define KEY_LEFTBRACKET    0x38  //    [        {
+#define KEY_SEMICOLON      0x39  //    ;        +
+#define KEY_COLON          0x3a  //    :        *
+#define KEY_RIGHTBRACKET   0x3b  //    ]        }
+#define KEY_COMMA          0x3c  //    ,        <
+#define KEY_PERIOD         0x3d  //    .        >
+#define KEY_SLASH          0x3e  //    /        ?
+#define KEY_BACKSLASH      0x3f  //    \        _
+#define KEY_F1             0x40
+#define KEY_F2             0x41
+#define KEY_F3             0x42
+#define KEY_F4             0x43
+#define KEY_F5             0x44
+#define KEY_F6             0x45
+#define KEY_F7             0x46
+#define KEY_F8             0x47
+#define KEY_F9             0x48
+#define KEY_F10            0x49
+#define KEY_F11            0x4a
+#define KEY_F12            0x4b
+#define KEY_ESC            0x4c
+#define KEY_INSERT         0x4d
+#define KEY_DELETE         0x4e
+#define KEY_GRAVE          0x4f
+#define KEY_BACKSPACE      0x50
+#define KEY_TAB            0x51
+#define KEY_CAPSLOCK       0x53
+#define KEY_LEFTSHIFT      0x54
+#define KEY_RIGHTSHIFT     0x55
+#define KEY_LEFTCTRL       0x56
+#define KEY_LEFTALT        0x57
+//#define KEY_LEFTUNK1       0x58
+#define KEY_SPACE          0x59
+//#define KEY_RIGHTUNK1      0x5a
+//#define KEY_RIGHTUNK2      0x5b
+#define KEY_LEFT           0x5c
+#define KEY_DOWN           0x5d
+#define KEY_UP             0x5e
+#define KEY_RIGHT          0x5f
+#define KEY_ENTER          0x61
+
+#endif