#ifndef __SH2_H__\r
#define __SH2_H__\r
\r
-// pico memhandlers\r
-// XXX: move somewhere else\r
-unsigned int p32x_sh2_read8(unsigned int a, int id);\r
-unsigned int p32x_sh2_read16(unsigned int a, int id);\r
-unsigned int p32x_sh2_read32(unsigned int a, int id);\r
-void p32x_sh2_write8(unsigned int a, unsigned int d, int id);\r
-void p32x_sh2_write16(unsigned int a, unsigned int d, int id);\r
-void p32x_sh2_write32(unsigned int a, unsigned int d, int id);\r
-\r
-\r
typedef struct\r
{\r
- unsigned int r[16];\r
+ unsigned int r[16]; // 00\r
+ unsigned int pc; // 40\r
unsigned int ppc;\r
- unsigned int pc;\r
unsigned int pr;\r
unsigned int sr;\r
- unsigned int gbr, vbr;\r
- unsigned int mach, macl;\r
+ unsigned int gbr, vbr; // 50\r
+ unsigned int mach, macl; // 58\r
\r
+ // interpreter stuff\r
+ int icount; // 60 cycles left in current timeslice\r
unsigned int ea;\r
unsigned int delay;\r
unsigned int test_irq;\r
\r
+ // common\r
+ const void *read8_map; // 70\r
+ const void *read16_map;\r
+ const void **write8_tab;\r
+ const void **write16_tab;\r
+\r
+ // drc stuff\r
+ //void **pc_hashtab; // 80\r
+\r
+ int pending_level; // MAX(pending_irl, pending_int_irq)\r
int pending_irl;\r
int pending_int_irq; // internal irq\r
int pending_int_vector;\r
void (*irq_callback)(int id, int level);\r
int is_slave;\r
\r
- int icount; // cycles left in current timeslice\r
unsigned int cycles_aim; // subtract sh2_icount to get global counter\r
unsigned int cycles_done;\r
} SH2;\r
\r
extern SH2 *sh2; // active sh2\r
\r
-void sh2_init(SH2 *sh2, int is_slave);\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);\r
void sh2_internal_irq(SH2 *sh2, int level, int vector);\r
+void sh2_do_irq(SH2 *sh2, int level, int vector);\r
\r
void sh2_execute(SH2 *sh2, int cycles);\r
\r
+// pico memhandlers\r
+// XXX: move somewhere else\r
+unsigned int p32x_sh2_read8(unsigned int a, SH2 *sh2);\r
+unsigned int p32x_sh2_read16(unsigned int a, SH2 *sh2);\r
+unsigned int p32x_sh2_read32(unsigned int a, SH2 *sh2);\r
+void p32x_sh2_write8(unsigned int a, unsigned int d, SH2 *sh2);\r
+void p32x_sh2_write16(unsigned int a, unsigned int d, SH2 *sh2);\r
+void p32x_sh2_write32(unsigned int a, unsigned int d, SH2 *sh2);\r
+\r
#endif /* __SH2_H__ */\r