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[/] [mips_16/] [trunk/] [doc/] [instruction_set.txt] - Blame information for rev 5

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1 5 Doyya
My mips_16 instrction set:
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R-type:
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                |       15:12           11:9    8:6             5:3     2:0
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        -------------------------------------------
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        NOP     |       0000            rd(0)   rs1(0)  rs2(0)000
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        ADD     |       0001            rd              rs1             rs2     000
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        SUB     |       0010            rd              rs1             rs2     000
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        AND     |       0011            rd              rs1             rs2     000
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        OR      |       0100            rd              rs1             rs2     000
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        XOR     |       0101            rd              rs1             rs2     000
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        SL      |       0110            rd              rs1             rs2     000
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        SR      |       0111            rd              rs1             rs2     000
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        SRU     |       1000            rd              rs1             rs2     000
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I-type:
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                |       15:12           11:9    8:6             5:3     2:0
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        -------------------------------------------
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        ADDI|   1001            rd              rs1     imm
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        LD      |       1010            rd              base    offset
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        ST      |       1011            rd(rs)  base    offset
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        BZ      |       1100            000             rs1             offset
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//      BGT     |       1100            001             rs1     offset
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//      BLE     |       1100            010             rs1     offset
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J-type:
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                |       15:12           11:9    8:6             5:3     2:0
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        -------------------------------------------
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NOTE:
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 Immediate number field is 6-bit long, so in ADDI/LD/ST/BZ, -32<= imm(offset) <32

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