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author | Bobby Bingham <koorogi@koorogi.info> | 2017-01-08 23:35:53 -0600 |
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committer | Bobby Bingham <koorogi@koorogi.info> | 2017-01-08 23:35:53 -0600 |
commit | ad9b6505e537155f76afaecf8f3068e1de63e569 (patch) | |
tree | 77cc941645740712021e6741b8148fed1f8a89ee /decoder.v | |
parent | f2b72883df7f67c53f7157193ec7271943a1654e (diff) |
This was only used by the notneg instruction, which no longer needs it
after having been reimplemented in terms of subtraction.
Diffstat (limited to 'decoder.v')
-rw-r--r-- | decoder.v | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -5,7 +5,7 @@ module decoder ( output [2:0] aluReg1, output [2:0] aluReg2, output [1:0] aluOpSource1, // ALU first operand: 0 = reg, 1 = memory read, 2 = imm8, 3 = PC - output [1:0] aluOpSource2, // ALU second operand: 0 = reg, 1 = ~reg, 2 = PC, 3 = ??? + output [1:0] aluOpSource2, // ALU second operand: 0 = reg, 1 = ???, 2 = PC, 3 = ??? output aluDest, // 0 = reg, 1 = PC output [1:0] aluCarrySource, // ALU carry input source: 0 = zero, 1 = one, 2 = carry, 3 = ~carry |