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72 lines
841 B
C
72 lines
841 B
C
#define DEBUG
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#define MPOWER 16
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#define MSIZE (1<<MPOWER)
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#define CSIZE 1000
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/* Local register names */
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typedef enum
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{
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R0, R1, R2, R3, R4, R5, R6, R7,
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R_ZERO,
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R_PC,
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R_CCR,
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R_HARD_0,
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R_LAST,
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} reg_type;
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/* Structure used to describe addressing */
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typedef struct
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{
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int type;
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int reg;
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int literal;
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} ea_type;
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typedef struct
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{
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ea_type src;
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ea_type dst;
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int opcode;
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int next_pc;
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int oldpc;
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int cycles;
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#ifdef DEBUG
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struct h8_opcode *op;
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#endif
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}
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decoded_inst;
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typedef struct
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{
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int exception;
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unsigned int regs[9];
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int pc;
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int ccr;
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unsigned char *memory;
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unsigned short *cache_idx;
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int cache_top;
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int maximum;
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int csize;
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int mask;
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decoded_inst *cache;
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int cycles;
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int insts;
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int ticks;
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int compiles;
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#ifdef ADEBUG
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int stats[O_LAST];
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#endif
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}
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cpu_state_type;
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