URL https://opencores.org/ocsvn/mips_16/mips_16/trunk

Subversion Repositories mips_16

[/] [mips_16/] [trunk/] [doc/] [instruction_set.txt] - Blame information for rev 6

Line No.	Rev	Author	Line
1	5	Doyya	`My mips_16 instrction set:`
2
3			`R-type:`
4			`\| 15:12 11:9 8:6 5:3 2:0`
5			`-------------------------------------------`
6			`NOP \| 0000 rd(0) rs1(0) rs2(0)000`
7			`ADD \| 0001 rd rs1 rs2 000`
8			`SUB \| 0010 rd rs1 rs2 000`
9			`AND \| 0011 rd rs1 rs2 000`
10			`OR \| 0100 rd rs1 rs2 000`
11			`XOR \| 0101 rd rs1 rs2 000`
12			`SL \| 0110 rd rs1 rs2 000`
13			`SR \| 0111 rd rs1 rs2 000`
14			`SRU \| 1000 rd rs1 rs2 000`
15
16
17			`I-type:`
18			`\| 15:12 11:9 8:6 5:3 2:0`
19			`-------------------------------------------`
20			`ADDI\| 1001 rd rs1 imm`
21			`LD \| 1010 rd base offset`
22			`ST \| 1011 rd(rs) base offset`
23			`BZ \| 1100 000 rs1 offset`
24			`// BGT \| 1100 001 rs1 offset`
25			`// BLE \| 1100 010 rs1 offset`
26
27
28			`J-type:`
29			`\| 15:12 11:9 8:6 5:3 2:0`
30			`-------------------------------------------`
31
32
33
34			`NOTE:`
35			`Immediate number field is 6-bit long, so in ADDI/LD/ST/BZ, -32<= imm(offset) <32`