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inst--
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// BLTZ
addiu $8, $0, 0xffff
bltz $8, label
nop
addu $10, $8, $8
label:
addu $10, $10, $10
24 08 12 34
05 00 00 02
00 00 00 00
01 08 50 21
01 4a 50 21
// BGEZ
addiu $8, $0, 0x1234
bgez $8, label
nop
addu $10, $8, $8
label:
addu $10, $10, $10
24 08 12 34
05 01 00 02
00 00 00 00
01 08 50 21
01 4a 50 21
// LH
lui $8, 0x1234
addiu $8, $0, 0x5678
sw $8, 0x0($0) ; 把0寄存器空出来，但仿真时其实随意,向内存写的数据所以不会写寄存器
lh $10, 0x0($0)
lh $11, 0x2($0)
3c 08 12 34
25 08 56 78 // 这一条有问题，应是25才是addiu
ac 08 00 00
84 0a 00 00
84 0b 00 02
// SLTI —— 注意寄存器前的符号是$，不是&
lui $10, 0x1234
addiu $10, 0x5678
addiu $8, $0, 0x1234
slti $10, $8, 0x0123
slti $10, $8, 0x2345
3c 0a 12 34
25 4a 56 78
24 08 12 34
29 0a 01 23
29 0a 23 45
// SLTIU —— 注意有符号数比较，是8+开头，不是1-7之间的数
lui $10, 0x1234
addiu $10, 0x5678
addiu $8, $0, 0x1234
slti $10, $8, 0x8234
sltiu $10, $8, 0x8234
3c 0a 12 34
25 4a 56 78
24 08 12 34
29 0a 82 34
2d 0a 82 34
// NOR
addiu $8, 0x6
addiu $9, 0x2
lui $10, 0x1234
nor $10, $8, $9
25 08 00 06
25 29 00 02
3c 0a 12 34
01 09 50 27
// SRA
lui $9, 0x8234
addiu $9, 0x1111
sra $10, $9, 0x5
3c 09 82 34
25 29 11 11
00 09 51 43
00 00 00 00
// XOR
addiu $8, 0x6
addiu $9, 0x2
xor $10,$8,$9
25 08 00 06
25 29 00 02
01 09 50 26
00 00 00 00
// SRAV
lui $9,0x8234
addiu $9,0x1111
addiu $8,0x3
srav $10,$9,$8
3c 09 82 34
25 29 11 11
25 08 00 03
01 09 50 07