diff options
| author | uvok | 2026-01-16 17:46:39 +0100 |
|---|---|---|
| committer | uvok | 2026-01-16 17:46:39 +0100 |
| commit | dd222c33ae00eb9312cb34610efd886dc565c159 (patch) | |
| tree | a7c9cc7fe562385a6d83525bade9f433223d6c90 | |
| parent | 3cb63dec5174fa442463ad150a6f3c4aa61a4cef (diff) | |
eater: Use "actual -" for alu
better synthesis?
| -rw-r--r-- | eater_cpu/eater_alu.sv | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/eater_cpu/eater_alu.sv b/eater_cpu/eater_alu.sv index 01b62ae..bbfb050 100644 --- a/eater_cpu/eater_alu.sv +++ b/eater_cpu/eater_alu.sv @@ -14,11 +14,11 @@ module eater_alu ( output [7:0] bus_out ); -// wire [7:0] result = subtract_n_add_in ? (A_in - B_in) : (A_in + B_in); -wire [7:0] xormask = {8{subtract_n_add_in}}; -wire [7:0] B_neg_if = B_in ^ xormask; -wire [7:0] result2 = A_in + B_neg_if + subtract_n_add_in; +wire [7:0] result = subtract_n_add_in ? (A_in - B_in) : (A_in + B_in); +// wire [7:0] xormask = {8{subtract_n_add_in}}; +// wire [7:0] B_neg_if = B_in ^ xormask; +// wire [7:0] result2 = A_in + B_neg_if + subtract_n_add_in; -assign bus_out = en_output_in ? result2 : 8'bz; +assign bus_out = en_output_in ? result : 8'bz; endmodule |
