Add new Branch Always instruction

include/mos6502.enums.h

@@ -77,6 +77,7 @@ enum instruction {
     BMI,    // Branch on MInus 
     BNE,    // Branch on Not Equal to zero
     BPL,    // Branch on PLus
+    BRA,    // BRanch Always
     BRK,    // BReaK (interrupt)
     BVC,    // Branch on oVerflow Clear
     BVS,    // Branch on oVerflow Set

include/mos6502.h

@@ -186,6 +186,7 @@ DECL_INST(bim);
 DECL_INST(bmi);
 DECL_INST(bne);
 DECL_INST(bpl);
+DECL_INST(bra);
 DECL_INST(brk);
 DECL_INST(bvc);
 DECL_INST(bvs);