Even if your #defines worked what do you imagine this section of code would do ?
volatile byte pattern[8][8]=E;
volatile byte pattern[8][8]=F;
volatile byte pattern[8][8]=G;
volatile byte pattern[8][8]=h;
volatile byte pattern[8][8]=j;
volatile byte pattern[8][8]=k;
volatile byte pattern[8][8]=l;
volatile byte pattern[8][8]=m;