A MIPS Simulator with a 5-stage pipeline.
The simulator will run code from the file program.asm and print the actions and resulting memory after every clock.
Run it with -s to output only the final state of the registers and memory.
| Instruction | Format | Result |
|---|---|---|
add $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|100000 |
rd = rs + rt |
sub $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|100010 |
rd = rs - rt |
and $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|100100 |
rd = rs & rt |
or $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|100101 |
rd = rs | rt |
xor $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|100110 |
rd = rs ^ rt |
nor $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|100111 |
rd = ~(rs | rt) |
mult $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|011000 |
rd = rs * rt |
div $d, $s, $t |
000000|rs[5]|rt[5]|rd[5]|00000|011001 |
rd = rs // rt |
sll $d, $t, shamt |
000000|00000|rt[5]|rd[5]|shamt|000000 |
rd = rt << shamt |
srl $d, $t, shamt |
000000|00000|rt[5]|rd[5]|shamt|000010 |
rd = rt >> shamt |
lw $t, offset($s) |
100011|rs[5]|rt[5]|----offset[16]---- |
rt = mem(rs + offset) |
sw $t, offset($s) |
101011|rs[5]|rt[5]|----offset[16]---- |
mem(rs + offset) = rt |
beq $s, $t, offset |
000100|rs[5]|rt[5]|----offset[16]---- |
if rs == rt: advance_pc(offset << 2) |
addi $t, $s, imm |
001000|rs[5]|rt[5]|------imm[16]----- |
rt = rs + imm |
