Fixed bug with LDX Absolute,Y

src/chip/MOS6502/assembler.js

               procFailed = StoreOp(this.__data, cmp, [0xA9, 0xA5, 0xB5, 0xAD, 0xBD, 0xB9, 0xA1, 0xB1], 2, 3); break;
 // --- LDX
             case 'ldx':
-              procFailed = StoreOp(this.__data, cmp, [0xA2, 0xA6, 0xB6, 0xAE, 0xBE, null, null, null], 2, 3, "zY"); break;
+              procFailed = StoreOp(this.__data, cmp, [0xA2, 0xA6, 0xB6, 0xAE, null, 0xBE, null, null], 2, 3, "zY"); break;
 // --- LDY
             case 'ldy':
               procFailed = StoreOp(this.__data, cmp, [0xA0, 0xA4, 0xB4, 0xAC, 0xBC, null, null, null], 2, 3); break;