A copy of my ~/Library/KeyBindings/DefaultKeyBinding.dict, pretty much copied off of @boredzo

DefaultKeyBinding.dict

{
	/* Modifier keys: start with C-m */
	"^m" = {
		"^ "    = ("insertText:", "\U2423");  /* C-space space */

		/*This one added by boredzo.*/
		"
"    = ("insertText:", "\U23CE");  /* CR      return */
		/*These two modified by boredzo. 23CE was previously 21A9, and both were previously on e rather than r.*/
		"^r"    = ("insertText:", "\U23CE");  /* C-r     return */
		"r"     = ("insertText:", "\U2305");  /* r       enter */

		"^t"    = ("insertText:", "\U21E5");  /* C-t     tab */
		"t"     = ("insertText:", "\U21E4");  /* t       backtab */

		"^d"    = ("insertText:", "\U232B");  /* C-d     delete */
		"d"     = ("insertText:", "\U2326");  /* d       forward delete */

		/*This one added by boredzo.*/
		"c"     = ("insertText:", "\U2318");  /* c       command */
		"^a"    = ("insertText:", "\U2318");  /* C-a     command (apple) */
		"^o"    = ("insertText:", "\U2325");  /* C-o     option */
		"^c"    = ("insertText:", "\U2303");  /* C-c     control */
		"^s"    = ("insertText:", "\U21E7");  /* C-s     shift */
		"s"     = ("insertText:", "\U21EA");  /* s       caps lock */

		/*These eight added by boredzo.*/
		"^h"    = ("insertText:", "\U2190");  /* C-b     solid left */
		"^l"    = ("insertText:", "\U2192");  /* C-f     solid right */
		"^k"    = ("insertText:", "\U2191");  /* C-p     solid up */
		"^j"    = ("insertText:", "\U2193");  /* C-n     solid down */
		"h"     = ("insertText:", "\U21E0");  /* f       dotted left */
		"l"     = ("insertText:", "\U21E2");  /* b       dotted right */
		"k"     = ("insertText:", "\U21E1");  /* p       dotted up */
		"j"     = ("insertText:", "\U21E3");  /* n       dotted down */

		/*These two modified by boredzo: Changing Home from ctrl-H to shift-ctrl-H, and End from H to shift-ctrl-E.*/
		"^H"    = ("insertText:", "\U2196");  /* C-h     home */
		"^E"    = ("insertText:", "\U2198");  /* h       end */
		"^u"    = ("insertText:", "\U21DE");  /* C-u     page up */
		"u"     = ("insertText:", "\U21DF");  /* u       page down */

		/*These two modified by boredzo to be on the e key instead of x (thereby freeing up x for multiplication sign).*/
		"^e"    = ("insertText:", "\U238B");  /* C-e     escape */ 
		"e"     = ("insertText:", "\U23CF");  /* e       eject */ 

		/*These two added by boredzo.*/
		"^f"    = ("insertText:", "\U263A");  /* C-f     smiling face */ 
		"f"     = ("insertText:", "\U2639");  /* f       frowning face */ 

		/*This one added by boredzo.*/
		"^x"    = ("insertText:", "\U00D7");  /* C-x     multiplication sign */
	};

	/* Form-feed */
	"^l" = "insertContainerBreak:";
}