+ goto out;
+
+ do
+ {
+ if (sh2->delay)
+ {
+ sh2->ppc = sh2->delay;
+ opcode = RW(sh2, sh2->delay);
+
+ // TODO: more branch types
+ if ((opcode >> 13) == 5) { // BRA/BSR
+ sh2->r[15] -= 4;
+ WL(sh2, sh2->r[15], sh2->sr);
+ sh2->r[15] -= 4;
+ WL(sh2, sh2->r[15], sh2->pc);
+ sh2->pc = RL(sh2, sh2->vbr + 6 * 4);
+ sh2->icount -= 5;
+ opcode = 9; // NOP
+ }
+
+ sh2->pc -= 2;
+ }
+ else
+ {
+ sh2->ppc = sh2->pc;
+ opcode = RW(sh2, sh2->pc);
+ }
+
+ sh2->delay = 0;
+ sh2->pc += 2;
+
+ switch (opcode & ( 15 << 12))
+ {
+ case 0<<12: op0000(sh2, opcode); break;
+ case 1<<12: op0001(sh2, opcode); break;
+ case 2<<12: op0010(sh2, opcode); break;
+ case 3<<12: op0011(sh2, opcode); break;
+ case 4<<12: op0100(sh2, opcode); break;
+ case 5<<12: op0101(sh2, opcode); break;
+ case 6<<12: op0110(sh2, opcode); break;
+ case 7<<12: op0111(sh2, opcode); break;
+ case 8<<12: op1000(sh2, opcode); break;
+ case 9<<12: op1001(sh2, opcode); break;
+ case 10<<12: op1010(sh2, opcode); break;
+ case 11<<12: op1011(sh2, opcode); break;
+ case 12<<12: op1100(sh2, opcode); break;
+ case 13<<12: op1101(sh2, opcode); break;
+ case 14<<12: op1110(sh2, opcode); break;
+ default: op1111(sh2, opcode); break;
+ }
+
+ sh2->icount--;
+
+ if (sh2->test_irq && !sh2->delay && sh2->pending_level > ((sh2->sr >> 4) & 0x0f))
+ {
+ int level = sh2->pending_level;
+ int vector = sh2->irq_callback(sh2, level);
+ sh2_do_irq(sh2, level, vector);
+ sh2->test_irq = 0;
+ }
+
+ }
+ while (sh2->icount > 0 || sh2->delay); /* can't interrupt before delay */
+
+out:
+ return sh2->icount;
+}