| v {xschem version=2.9.8 file_version=1.2 |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| |
| } |
| G {} |
| K {} |
| V { wire [31:0] not_b_in; |
| assign not_b_in = ~ b_in; |
| |
| wire [31:0] b_mux_not_b; |
| assign b_mux_not_b = (1'b0 == f_in[2]) ? b_in : not_b_in; |
| |
| wire [31:0] fx00; |
| assign fx00 = a_in & b_mux_not_b; |
| |
| wire [31:0] fx01; |
| assign fx01 = a_in | b_mux_not_b; |
| |
| wire [31:0] fx10; |
| assign \{c_out, fx10\} = a_in + b_mux_not_b + f_in[2]; |
| |
| wire [31:0] fx11; |
| assign fx11 = \{\{31\{1'b0\}\}, ((a_in[31] == not_b_in[31]) && (fx10[31] != a_in[31])) ? ~(fx10[31]) : fx10[31]\}; |
| |
| assign zero = ~| y_out; |
| |
| assign y_out = 2'b00 == f_in[1:0] ? fx00 : (2'b01 == f_in[1:0] ? fx01 : (2'b10 == f_in[1:0] ? fx10 : fx11 )); |
| } |
| S {} |
| E {} |
| C {devices/ipin.sym} 140 -150 0 0 {name=p1 lab=a_in[31:0]} |
| C {devices/opin.sym} 410 -140 0 0 {name=p4 lab=zero} |
| C {devices/title.sym} 160 -30 0 0 {name=l1 author="Stefan Schippers"} |
| C {devices/architecture.sym} 10 -620 0 0 { nothing here, use global schematic properties } |
| C {devices/ipin.sym} 140 -120 0 0 {name=p2 lab=b_in[31:0]} |
| C {devices/ipin.sym} 140 -90 0 0 {name=p3 lab=f_in[2:0]} |
| C {devices/opin.sym} 410 -120 0 0 {name=p5 lab=c_out} |
| C {devices/opin.sym} 410 -100 0 0 {name=p6 lab=y_out[31:0]} |
