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- typedef struct
- {
- } opcode_info;
- //R I S B U J
- #define OP(inst) ((inst >> 0) & 0x00007F)
- //R I U J
- #define RD(inst) ((inst >> 7) & 0x00001F)
- // R I S B
- #define RS1(inst) ((inst >> 15) & 0x00001F)
- // R S B
- #define RS2(inst) ((inst >> 20) & 0x00001F)
- // R I S B
- #define FN3(inst) ((inst >> 12) & 0x000007)
- // R
- #define FN7(inst) ((inst >> 25) & 0x00007F)
- // I
- #define IIM(inst) ((inst >> 20) & 0x000FFF)
- // S
- #define SI(inst) (((inst >> 7) & 0x00001F)|((inst >> 20) & 0x00000000))
- // B
- #define SI2(inst) ((inst >> 25) & 0x00001F)
- #define UIM(inst) ((inst >> 12) & 0x0FFFFF)
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