Design with borrow, carry 4 binary subtraction, adder, a fixed value assigned to A and B, respectively, and then adds and subtracts the correct results.

add_ded_module
..............\add_module.asm.rpt
..............\add_module.done
..............\add_module.eda.rpt
..............\add_module.fit.rpt
..............\add_module.fit.smsg
..............\add_module.fit.summary
..............\add_module.flow.rpt
..............\add_module.map.rpt
..............\add_module.map.summary
..............\add_module.pin
..............\add_module.pof
..............\add_module.qpf
..............\add_module.qsf
..............\add_module.qws
..............\add_module.sof
..............\add_module.tan.rpt
..............\add_module.tan.summary
..............\add_module.v
..............\add_module.v.bak
..............\db
..............\..\add_ded_module.hier_info
..............\..\add_ded_module.hif
..............\..\add_ded_module.lpc.html
..............\..\add_ded_module.lpc.rdb
..............\..\add_ded_module.lpc.txt
..............\..\add_ded_module.map.bpm
..............\..\add_ded_module.map.cdb
..............\..\add_ded_module.map.ecobp
..............\..\add_ded_module.map.hdb
..............\..\add_ded_module.map.kpt
..............\..\add_ded_module.map.logdb
..............\..\add_ded_module.map.qmsg
..............\..\add_ded_module.map_bb.cdb
..............\..\add_ded_module.map_bb.hdb
..............\..\add_ded_module.map_bb.logdb
..............\..\add_ded_module.pre_map.cdb
..............\..\add_ded_module.pre_map.hdb
..............\..\add_ded_module.rtlv.hdb
..............\..\add_ded_module.rtlv_sg.cdb
..............\..\add_ded_module.rtlv_sg_swap.cdb
..............\..\add_ded_module.sgdiff.cdb
..............\..\add_ded_module.sgdiff.hdb
..............\..\add_ded_module.sld_design_entry.sci
..............\..\add_ded_module.sld_design_entry_dsc.sci
..............\..\add_ded_module.syn_hier_info
..............\..\add_ded_module.tan.qmsg
..............\..\add_ded_module.tis_db_list.ddb
..............\..\add_ded_module_global_asgn_op.abo
..............\..\add_module.asm.qmsg
..............\..\add_module.asm_labs.ddb
..............\..\add_module.cbx.xml
..............\..\add_module.cmp.bpm
..............\..\add_module.cmp.cdb
..............\..\add_module.cmp.ecobp
..............\..\add_module.cmp.hdb
..............\..\add_module.cmp.kpt
..............\..\add_module.cmp.logdb
..............\..\add_module.cmp.rdb
..............\..\add_module.cmp.tdb
..............\..\add_module.cmp0.ddb
..............\..\add_module.cmp2.ddb
..............\..\add_module.cmp_merge.kpt
..............\..\add_module.db_info
..............\..\add_module.eco.cdb
..............\..\add_module.eda.qmsg
..............\..\add_module.fit.qmsg
..............\..\add_module.hier_info
..............\..\add_module.hif
..............\..\add_module.lpc.html
..............\..\add_module.lpc.rdb
..............\..\add_module.lpc.txt
..............\..\add_module.map.bpm
..............\..\add_module.map.cdb
..............\..\add_module.map.ecobp
..............\..\add_module.map.hdb
..............\..\add_module.map.kpt
..............\..\add_module.map.logdb
..............\..\add_module.map.qmsg
..............\..\add_module.map_bb.cdb
..............\..\add_module.map_bb.hdb
..............\..\add_module.map_bb.logdb
..............\..\add_module.pre_map.cdb
..............\..\add_module.pre_map.hdb
..............\..\add_module.rtlv.hdb
..............\..\add_module.rtlv_sg.cdb
..............\..\add_module.rtlv_sg_swap.cdb
..............\..\add_module.sgdiff.cdb
..............\..\add_module.sgdiff.hdb
..............\..\add_module.sld_design_entry.sci
..............\..\add_module.sld_design_entry_dsc.sci
..............\..\add_module.syn_hier_info
..............\..\add_module.tan.qmsg
..............\..\add_module.tis_db_list.ddb
..............\..\add_module.tmw_info
..............\..\add_module_global_asgn_op.abo
..............\..\add_sub_npi.tdf
..............\..\prev_cmp_add_module.qmsg
..............\incremental_db
..............\..............\README

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