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mips-processor's Issues

ALU Switch and ALU Control misalignment

The diagram in the book on page 376 seems to say to connect the 'ALU Control' output from the control unit should be connected to ALU's 'switch' input, however 'ALU Control' is 3 bits wide and 'switch' is 4 bits wide.

There is no output for any tests

Run the test 'make p2sc' with this branch. Unless I'm missing something the registers never change value from 00000000 for any test you run.

Test outputs

Func_test: $sp is set to 0x00000014, should not change.
$s0 is set to 0x0000000c, should be 0x00000024
$s1 is set to 0x00000014, should be 0x00000010
Test3: $s1 should be 0x00000020 but is 0x00000008 (sll problem)
Test5: $s0 should be 0x7fffffff (add $s0, $zero, 0x7fffffff) but is 0xffffffff
Test6: I have to ask prof Myers about this before I'm sure of the correct result.

Test1 passes, tests 2 and 4 I have commented out. They just crash with "Invalid literal for int with base 2 '' ". Something with this finicky .out formatting I have to sort out.

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