URL https://opencores.org/ocsvn/socgen/socgen/trunk

Subversion Repositories socgen

[/] [socgen/] [trunk/] [Projects/] [digilentinc.com/] [Nexys2/] [ip/] [sram/] [rtl/] [verilog/] [sram_def.v] - Diff between revs 131 and 134

Rev 131	Rev 134
Line 23...	Line 23...
`#( parameter`	`#( parameter`
`ADDR=10,`	`ADDR=10,`
`WIDTH=8,`	`WIDTH=8,`
`WORDS=1024,`	`WORDS=1024,`
`WRITETHRU=0,`	`WRITETHRU=0,`
`DEFAULT={WIDTH{1'b1}},`
`INIT_FILE="NONE",`	`INIT_FILE="NONE",`
`MEM="NONE",`	`MEM="NONE",`
`INSTANCE_NAME="../../../../../children/")`	`INSTANCE_NAME="../../../../../children/")`
`(`	`(`
`input wire clk,`	`input wire clk,`
Line 68...	Line 67...


`always@(posedge clk) l_raddr <= addr;`	`always@(posedge clk) l_raddr <= addr;`
`// Read into a wire and then pass to rdata because some synth tools can't handle a memory in a always block`	`// Read into a wire and then pass to rdata because some synth tools can't handle a memory in a always block`
`wire [WIDTH-1:0] tmp_rdata;`	`wire [WIDTH-1:0] tmp_rdata;`
`assign tmp_rdata = (l_cycle )?mem[{l_raddr[ADDR-1:0]}]:DEFAULT;`	`assign tmp_rdata = (l_cycle )?mem[{l_raddr[ADDR-1:0]}]:{WIDTH{1'b1}};`
`always@(*) rdata = tmp_rdata;`	`always@(*) rdata = tmp_rdata;`
`end`	`end`
`else`	`else`
`begin`	`begin`
`// Read function gets old data if also a write cycle`	`// Read function gets old data if also a write cycle`
`always@(posedge clk)`	`always@(posedge clk)`
`if( rd && cs ) rdata <= mem[{addr[ADDR-1:0]}];`	`if( rd && cs ) rdata <= mem[{addr[ADDR-1:0]}];`
`else rdata <= DEFAULT;`	`else rdata <= {WIDTH{1'b1}};`
`end`	`end`
`endgenerate`	`endgenerate`
`endmodule`	`endmodule`

`No newline at end of file`	`No newline at end of file`