Emulate T1/T0/M normally if JIT mode.

diff --git a/newcpu.cpp b/newcpu.cpp
index 32adbe34ba4e569f2d519964ffb54ec36c55d2f1..14cedb3757b794a08ea3a9f8a58281e4bd5360aa 100644 (file)
--- a/newcpu.cpp
+++ b/newcpu.cpp
@@ -2385,6 +2385,13 @@ static void MakeFromSR_x(int t0trace)
        if (currprefs.mmu_model)
                mmu_set_super (regs.s != 0);
 
+#ifdef JIT
+       // if JIT enabled and T1, T0 or M changes: end compile.
+       if (currprefs.cachesize && (oldt0 != regs.t0 || oldt1 != regs.t1 || oldm != regs.m)) {
+               set_special(SPCFLAG_END_COMPILE);
+       }
+#endif
+
        doint_imm();
        if (regs.t1 || regs.t0) {
                set_special (SPCFLAG_TRACE);
@@ -5333,8 +5340,26 @@ static void m68k_run_jit(void)
                                                return;
                                        }
                                }
+                               // If T0, T1 or M got set: run normal emulation loop
+                               if (regs.t0 || regs.t1 || regs.m) {
+                                       flush_icache(3);
+                                       struct regstruct *r = &regs;
+                                       bool exit = false;
+                                       check_debugger();
+                                       while (!exit && (regs.t0 || regs.t1 || regs.m)) {
+                                               r->instruction_pc = m68k_getpc();
+                                               r->opcode = x_get_iword(0);
+                                               (*cpufunctbl[r->opcode])(r->opcode);
+                                               count_instr(r->opcode);
+                                               do_cycles(4 * CYCLE_UNIT);
+                                               if (r->spcflags) {
+                                                       if (do_specialties(cpu_cycles))
+                                                               exit = true;
+                                               }
+                                       }
+                                       unset_special(SPCFLAG_END_COMPILE);
+                               }
                        }
-
 #ifdef USE_STRUCTURED_EXCEPTION_HANDLING
                } __except (EvalException(GetExceptionInformation())) {
                        // Something very bad happened, generate fake bus error exception