X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/f8c46ff554cb7f4c067eab1234faf729118c4c25..99b9687942367fd256a797bcd1f67fec07f92a37:/core/insn_alu_a.v diff --git a/core/insn_alu_a.v b/core/insn_alu_a.v index 5fbadee..36bac34 100644 --- a/core/insn_alu_a.v +++ b/core/insn_alu_a.v @@ -33,19 +33,19 @@ case(opcode[5:3]) `INSN_alu_RLCA: begin `_A <= {`_A[6:0],`_A[7]}; - `_F <= {`_F[7:5],`_A[7],`_F[3:0]}; + `_F <= {3'b0,`_A[7],`_F[3:0]}; end `INSN_alu_RRCA: begin `_A <= {`_A[0],`_A[7:1]}; - `_F <= {`_F[7:5],`_A[0],`_F[3:0]}; + `_F <= {3'b0,`_A[0],`_F[3:0]}; end `INSN_alu_RLA: begin `_A <= {`_A[6:0],`_F[4]}; - `_F <= {`_F[7:5],`_A[7],`_F[3:0]}; + `_F <= {3'b0,`_A[7],`_F[3:0]}; end `INSN_alu_RRA: begin `_A <= {`_F[4],`_A[7:1]}; - `_F <= {`_F[7:5],`_A[0],`_F[3:0]}; + `_F <= {3'b0,`_A[0],`_F[3:0]}; end `INSN_alu_DAA: begin `_A <= daa_tmp[7:0];