+#ifdef PICODRIVE_HACK
+#if 0
+#define UPDATE_IDLE_COUNT { \
+ extern int idle_hit_counter; \
+ idle_hit_counter++; \
+}
+#else
+#define UPDATE_IDLE_COUNT
+#endif
+
+// BRA
+OPCODE(0x6001_idle)
+{
+#ifdef FAMEC_CHECK_BRANCHES
+ u32 newPC = GET_PC;
+ s8 offs=Opcode;
+ newPC += offs;
+ SET_PC(newPC);
+ CHECK_BRANCH_EXCEPTION(offs)
+#else
+ PC += ((s8)(Opcode & 0xFE)) >> 1;
+#endif
+ UPDATE_IDLE_COUNT
+RET0()
+}
+
+// BCC
+OPCODE(0x6601_idle)
+{
+ if (flag_NotZ)
+ {
+ UPDATE_IDLE_COUNT
+ PC += ((s8)(Opcode & 0xFE)) >> 1;
+ //if (idle_hit)
+ RET0()
+ }
+RET(8)
+}
+
+OPCODE(0x6701_idle)
+{
+ if (!flag_NotZ)
+ {
+ UPDATE_IDLE_COUNT
+ PC += ((s8)(Opcode & 0xFE)) >> 1;
+ //if (idle_hit)
+ RET0()
+ }
+RET(8)
+}
+
+
+extern int SekIsIdleReady(void);
+extern int SekIsIdleCode(unsigned short *dst, int bytes);
+extern int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx);
+
+OPCODE(idle_detector_bcc8)
+{
+ int frame_count, cond_true, bytes, ret, newop;
+ u16 *dest_pc;
+
+ dest_pc = PC + (((s8)(Opcode & 0xFE)) >> 1);
+
+ if (!SekIsIdleReady())
+ goto end;
+
+ bytes = 0 - (s8)(Opcode & 0xFE) - 2;
+ ret = SekIsIdleCode(dest_pc, bytes);
+ newop = (Opcode & 0xfe) | 0x7100;
+ if (!ret) newop |= 0x200;
+ if ( Opcode & 0x0100) newop |= 0x400; // beq
+ if (!(Opcode & 0x0f00)) newop |= 0xc00; // bra
+
+ ret = SekRegisterIdlePatch(GET_PC - 2, Opcode, newop, &m68kcontext);
+ switch (ret)
+ {
+ case 0: PC[-1] = newop; break;
+ case 1: break;
+ case 2: JumpTable[Opcode] = (Opcode & 0x0f00) ?
+ ((Opcode & 0x0100) ? CAST_OP(0x6701) : CAST_OP(0x6601)) :
+ CAST_OP(0x6001); break;
+ }
+
+end:
+ if ((Opcode & 0xff00) == 0x6000) cond_true = 1;
+ else cond_true = (Opcode & 0x0100) ? !flag_NotZ : flag_NotZ; // beq?
+ if (cond_true)
+ {
+ PC = dest_pc;
+ m68kcontext.io_cycle_counter -= 2;
+ }
+RET(8)
+}
+
+#endif // PICODRIVE_HACK