mcpu.ucf

用VHDL 编写的一个16位的cpu 设计方案

				 NET "rst"  LOC=P33;
NET "DBUS<7>"  LOC=P170;
NET "DBUS<6>"  LOC=P169;
NET "DBUS<5>"  LOC=P168;
NET "DBUS<4>"  LOC=P167;
NET "DBUS<3>"  LOC=P163;
NET "DBUS<2>"  LOC=P162;
NET "DBUS<1>"  LOC=P161;
NET "DBUS<0>"  LOC=P160;
NET "DBUS<15>"  LOC=P192;
NET "DBUS<14>"  LOC=P193;
NET "DBUS<13>"  LOC=P194;
NET "DBUS<12>"  LOC=P195;
NET "DBUS<11>"  LOC=P199;
NET "DBUS<10>"  LOC=P200;
NET "DBUS<9>"  LOC=P201;
NET "DBUS<8>"  LOC=P202;
NET "ABUS<7>"  LOC=P175;
NET "ABUS<6>"  LOC=P174;
NET "ABUS<5>"  LOC=P173;
NET "ABUS<4>"  LOC=P157;
NET "ABUS<3>"  LOC=P156;
NET "ABUS<2>"  LOC=P155;
NET "ABUS<1>"  LOC=P154;
NET "ABUS<0>"  LOC=P153;
NET "ABUS<15>"  LOC=P187;
NET "ABUS<14>"  LOC=P205;
NET "ABUS<13>"  LOC=P206;
NET "ABUS<12>"  LOC=P207;
NET "ABUS<11>"  LOC=P208;
NET "ABUS<10>"  LOC=P185;
NET "ABUS<9>"  LOC=P186;
NET "ABUS<8>"  LOC=P176;
NET "nMREQ"  LOC=P159;
NET "nRD"  LOC=P188;
NET "nWR"  LOC=P171;
NET "nBHE"  LOC=P189;
NET "nBLE"  LOC=P191;
NET "clk"  LOC=P92;

NET "s0<7>"  LOC=P215;
NET "s0<6>"  LOC=P216;
NET "s0<5>"  LOC=P217;
NET "s0<4>"  LOC=P218;
NET "s0<3>"  LOC=P220;
NET "s0<2>"  LOC=P221;
NET "s0<1>"  LOC=P222;
NET "s0<0>"  LOC=P223;
NET "s0<15>"  LOC=P224;
NET "s0<14>"  LOC=P228;
NET "s0<13>"  LOC=P229;
NET "s0<12>"  LOC=P230;
NET "s0<11>"  LOC=P231;
NET "s0<10>"  LOC=P232;
NET "s0<9>"  LOC=P234;
NET "s0<8>"  LOC=P235;
NET "s2<7>"  LOC=P236;
NET "s2<6>"  LOC=P237;
NET "s2<5>"  LOC=P238;
NET "s2<4>"  LOC=P3;
NET "s2<3>"  LOC=P4;
NET "s2<2>"  LOC=P5;
NET "s2<1>"  LOC=P6;
NET "s2<0>"  LOC=P7;
NET "s2<15>"  LOC=P9;
NET "s2<14>"  LOC=P10;
NET "s2<13>"  LOC=P11;
NET "s2<12>"  LOC=P12;
NET "s2<11>"  LOC=P13;
NET "s2<10>"  LOC=P17;
NET "s2<9>"  LOC=P18;
NET "s2<8>"  LOC=P19;

NET "s4<7>" LOC = p20;
NET "s4<6>" LOC = p21;
NET "s4<5>" LOC = p23;
NET "s4<4>" LOC = p24;
NET "s4<3>" LOC = p25;
NET "s4<2>" LOC = p26;
NET "s4<1>" LOC = p27;
NET "s4<0>" LOC = p28;

NET "s5<7>" LOC = p31;
NET "s5<6>" LOC = p42;
NET "s5<5>" LOC = p46;
NET "s5<4>" LOC = p52;
NET "s5<3>" LOC = p57;
NET "s5<2>" LOC = p67;
NET "s5<1>" LOC = p68;
NET "s5<0>" LOC = p74;

NET "b4" LOC = p107;
NET "b3" LOC = p108;
NET "b2" LOC = p109;
NET "b1" LOC = p124;
NET "b0" LOC = p125;

NET "a7" LOC = p147;
NET "a6" LOC = p152;
NET "a5" LOC = p178;
NET "a4" LOC = p184;
NET "a3" LOC = p177;