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-rw-r--r--sim/h8500/inst.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/sim/h8500/inst.h b/sim/h8500/inst.h
new file mode 100644
index 00000000000..328ca945a89
--- /dev/null
+++ b/sim/h8500/inst.h
@@ -0,0 +1,101 @@
+#define DEBUG
+
+#define H8500_MSIZE (8*64*1024)
+#define CSIZE 1000
+
+
+union rtype
+ {
+ unsigned long l;
+ unsigned short s[2];
+ unsigned char *c;
+ };
+
+
+/* Local register names */
+typedef enum
+{
+ R0, R1, R2, R3, R4, R5, R6, R7,
+ R_SR, /* 8 */
+ R_PC, /* 9 */
+ R_BR, /* 10 */
+ R_BP, /* 11 */
+ R_CP, /* 14 */
+ R_DP, /* 13 */
+ R_EP, /* 12 */
+ R_TP, /* 15 */
+ R_HARD_0, /* 16 */
+ R_HARD8_0, /* 17 */
+ R_LAST,
+} reg_type;
+
+
+
+
+typedef struct
+{
+ fastref type;
+ union
+ {
+ int code;
+ unsigned char *bptr;
+ unsigned short *wptr;
+ unsigned long *lptr;
+ unsigned char **segptr;
+ union rtype *rptr;
+
+ }
+ reg;
+ int literal;
+ union
+ {
+ unsigned char **segreg;
+ unsigned short *wptr;
+ union rtype *rptr;
+ }
+ r2;
+}
+
+ea_type;
+
+
+
+typedef struct
+{
+ ea_type srca;
+ ea_type srcb;
+ ea_type dst;
+ fastref opcode;
+ fastref flags;
+ int next_pc;
+ int oldpc;
+ int cycles;
+#ifdef DEBUG
+ h8500_opcode_info *op;
+#endif
+}
+
+decoded_inst;
+
+
+
+typedef struct
+{
+ int exception;
+ union rtype regs[20];
+
+
+
+ unsigned char *memory;
+ unsigned short *cache_idx;
+ int cache_top;
+ int maximum;
+ int csize;
+ decoded_inst *cache;
+ int cycles;
+ int insts;
+ int ticks;
+ int compiles;
+}
+
+cpu_state_type;