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module vga_csm_pb(clk_i,req0_i,ack0_o,adr0_i,dat0_i,dat0_o,we0_i,req1_i,ack1_o,adr1_i,dat1_i,dat1_o,wel_i); 
parameter DWIDTH=32; 
parameter AWIDTH=8; 
 
input clk_i; 
 
input  [AWIDTH   -1 : 0]adr0_i; 
input  [DWIDTH   -1 : 0]dat0_i; 
output [DWIDTH   -1 : 0]dat0_o; 
input                  we0_i;  
input                 req0_i;   
outout                ack0_o; 
 
input  [AWIDTH   -1 : 0]adr1_i; 
input  [DWIDTH   -1 : 0]dat1_i; 
output [DWIDTH   -1 : 0]dat1_o; 
input                  we1_i; 
input                 req1_i; 
output                ack1_o; 
 
wire acc0,acc1; 
reg dacc0,dacc1; 
wire sel0,sel1; 
reg ack0,ack1; 
 
wire [DWIDTH -1 : 0]mem_q; 
 
assign acc0=req0_i; 
assign acc1=req1_i && !sel0; 
 
always@(posedge clk_i) 
      begin 
            dacc0 <= #1 acc0 & !ack0_o; 
            dacc1 <= #1 acc1 & !ack1_o; 
    end 
 
assign sel0 = acc0 && !dacc0; 
assign sel1 = acc1 && !dacc1; 
 
 
always (posedge clk_i) 
    begin 
     ack0 <=#1 sel0 && !ack0_o; 
     ack1 <=#1 sel1 && !ack1_o; 
   end 
 
 
wire[AWIDTH  -1 : 0]mem_adr=sel0 ? adr0_i : adr1_i; 
wire[DWIDTH  -1 : 0]mem_d  =sel0 ? dat0_i : dat1_i; 
wire              mem_we =sel0 ? req0_i && we0_i:req1_i &&we1_i; 
 
generic_spram#(AWIDTH,DWIDTH)clut_mem( 
    .clk(clk_i), 
    .ret(1'b0), 
    .ce(1'b1), 
    .we(mem_we), 
    .oe(1'b1), 
    .addr(mem_adr), 
    .di(mem_d), 
    .do(mem_q) 
); 
 
 
assign dat0_o=mem_q; 
assign dat1_0=mem_q; 
 
addign ack0_o=((sel0 && we0_i) || ack0 ); 
assign ack1_o=((sel1 && we1_i) || ack1 ); 
endmodule  
以上是程序 
line 31:vhdl syntax error:found illegal character '@‘ 
line 33:vhdl syntax error:found illegal character '#‘ 
line 34:vhdl syntax error:found illegal character '#‘ 
line 43:vhdl syntax error:found illegal character '#‘ 
line 44:vhdl syntax error:found illegal character '#‘ 
line 48:vhdl syntax error:found illegal character '? 
line 49:vhdl syntax error:found illegal character '? 
line 50:vhdl syntax error:found illegal character '?‘ 
line 52:vhdl syntax error:found illegal character '#‘ 
line 54:charater literal "b" must be terminated with an apostrophe 
line 55:charater literal "b" must be terminated with an apostrophe 
line 57:charater literal "b" must be terminated with an apostrophe |   
 
 
 
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