int REGPARM(2) (*irq_callback)(struct SH2_ *sh2, int level);\r
int is_slave;\r
\r
- unsigned int cycles_aim; // subtract sh2_icount to get global counter\r
- unsigned int cycles_done;\r
+ unsigned int cycles_timeslice;\r
+\r
+ // we use 68k reference cycles for easier sync\r
+ unsigned int m68krcycles_done;\r
+ unsigned int mult_m68k_to_sh2;\r
+ unsigned int mult_sh2_to_m68k;\r
} SH2;\r
\r
-extern SH2 *sh2; // active sh2. XXX: consider removing\r
+#define CYCLE_MULT_SHIFT 10\r
+#define C_M68K_TO_SH2(xsh2, c) \\r
+ ((int)((c) * (xsh2).mult_m68k_to_sh2) >> CYCLE_MULT_SHIFT)\r
+#define C_SH2_TO_M68K(xsh2, c) \\r
+ ((int)((c + 3) * (xsh2).mult_sh2_to_m68k) >> CYCLE_MULT_SHIFT)\r
\r
int sh2_init(SH2 *sh2, int is_slave);\r
void sh2_finish(SH2 *sh2);\r
void sh2_reset(SH2 *sh2);\r
-void sh2_irl_irq(SH2 *sh2, int level, int nested_call);\r
+int sh2_irl_irq(SH2 *sh2, int level, int nested_call);\r
void sh2_internal_irq(SH2 *sh2, int level, int vector);\r
void sh2_do_irq(SH2 *sh2, int level, int vector);\r
void sh2_pack(const SH2 *sh2, unsigned char *buff);\r
void sh2_unpack(SH2 *sh2, const unsigned char *buff);\r
\r
-void sh2_execute(SH2 *sh2, int cycles);\r
+int sh2_execute(SH2 *sh2, int cycles);\r
\r
// regs, pending_int*, cycles, reserved\r
#define SH2_STATE_SIZE ((24 + 2 + 2 + 12) * 4)\r
int REGPARM(3) p32x_sh2_write16(unsigned int a, unsigned int d, SH2 *sh2);\r
int REGPARM(3) p32x_sh2_write32(unsigned int a, unsigned int d, SH2 *sh2);\r
\r
+// debug\r
+#ifdef DRC_CMP\r
+void do_sh2_trace(SH2 *current, int cycles);\r
+void do_sh2_cmp(SH2 *current);\r
+#endif\r
+\r
#endif /* __SH2_H__ */\r