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| author | Bobby Bingham <koorogi@koorogi.info> | 2017-01-08 21:58:16 -0600 |
|---|---|---|
| committer | Bobby Bingham <koorogi@koorogi.info> | 2017-01-08 23:18:31 -0600 |
| commit | 17f5cbe781ae761d86d55fec7d46ba3172167894 (patch) | |
| tree | b02d0dc075eb94a56cccd49a471e852a6799c266 /ctrl_decode.v | |
| parent | 47cfb7ba2df247310e2160e4e53d1843d4e4d1c8 (diff) | |
Add carry input to ALU
Diffstat (limited to 'ctrl_decode.v')
| -rw-r--r-- | ctrl_decode.v | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ctrl_decode.v b/ctrl_decode.v index ede591f..86ecc97 100644 --- a/ctrl_decode.v +++ b/ctrl_decode.v @@ -1,5 +1,5 @@ module ctrl_decode ( - input [32:0] control_signals, + input [34:0] control_signals, output [3:0] aluOp, output [2:0] aluReg1, @@ -7,6 +7,7 @@ module ctrl_decode ( 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 aluDest, // 0 = reg, 1 = PC + output [1:0] aluCarrySource, // ALU carry flag input source output [2:0] regDest, output regSetH, @@ -28,6 +29,7 @@ module ctrl_decode ( aluOpSource1, aluOpSource2, aluDest, + aluCarrySource, regDest, regSetH, regSetL, |