URL
https://opencores.org/ocsvn/sub86/sub86/trunk
Subversion Repositories sub86
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- This comparison shows the changes necessary to convert path
/sub86
- from Rev 10 to Rev 11
- ↔ Reverse comparison
Rev 10 → Rev 11
/trunk/sub86.v
1,18 → 1,17
module sub86( CLK, RSTN, IA, ID, A, D, Q, WEN,BEN,CE,RD ); |
input CLK,RSTN,CE; |
module sub86( CLK, RSTN, IA, ID, A, D, Q, WEN,BEN,CE,RD,INT ); |
input CLK,RSTN,CE,INT; |
input [15:0] ID; |
input [31:0] D; |
output [31:0] IA; |
input [15:0] ID; |
output [31:0] A; |
input [31:0] D; |
output [31:0] Q; |
output WEN; |
output RD; |
output WEN,RD; |
output [1:0] BEN; |
wire nncry,neqF,ngF,nlF,naF,nbF,divF1,divF2; |
reg [31:0] EAX,EBX,ECX,EDX,EBP,ESP,PC,regsrc,regdest,alu_out; |
reg [5:0] state,nstate; |
reg [2:0] src,dest; |
reg WR,RD,cry,ncry,prefx,nprefx,cmpr,eqF,gF,lF,aF,bF; |
wire nncry,neqF,ngF,nlF,naF,nbF,divF1,divF2; |
wire [31:0] pc_ja,pc_jae,pc_jb,pc_jbe,pc_jg,pc_jge,pc_jl,pc_jle,pc_eq,pc_jp,pc_neq,pc_sh; |
wire [31:0] Sregsrc,Zregsrc,incPC,sft_out,smlEAX,smlECX; |
wire [32:0] adder_out,sub_out; |
290,7 → 289,7
assign ssregsrc = regsrc; |
assign ssregdest= regdest; |
assign IA = PC ; |
assign A =((state == `call2)|(state == `calla2)|((WR==1)&(ID[2:0]==3'b100))) ? ESP : EBX ; |
assign A =((state == `call2)|(state == `calla2)) ? ESP : EBX ; |
assign Q =((state == `call2)|(state == `calla2)) ? incPC : regsrc ; |
assign WEN = (CE == 1'b0) ? 1'b1 : |
(WR == 1'b1) ? 1'b0 : |