OpenCores
URL https://opencores.org/ocsvn/a-z80/a-z80/trunk

Subversion Repositories a-z80

[/] [a-z80/] [trunk/] [cpu/] [control/] [resets.v] - Rev 16

Compare with Previous | Blame | View Log

// Copyright (C) 1991-2013 Altera Corporation
// Your use of Altera Corporation's design tools, logic functions 
// and other software and tools, and its AMPP partner logic 
// functions, and any output files from any of the foregoing 
// (including device programming or simulation files), and any 
// associated documentation or information are expressly subject 
// to the terms and conditions of the Altera Program License 
// Subscription Agreement, Altera MegaCore Function License 
// Agreement, or other applicable license agreement, including, 
// without limitation, that your use is for the sole purpose of 
// programming logic devices manufactured by Altera and sold by 
// Altera or its authorized distributors.  Please refer to the 
// applicable agreement for further details.
 
// PROGRAM		"Quartus II 64-Bit"
// VERSION		"Version 13.0.1 Build 232 06/12/2013 Service Pack 1 SJ Web Edition"
// CREATED		"Sat Dec 10 08:57:54 2016"
 
module resets(
	reset_in,
	clk,
	M1,
	T2,
	fpga_reset,
	nhold_clk_wait,
	clrpc,
	nreset
);
 
 
input wire	reset_in;
input wire	clk;
input wire	M1;
input wire	T2;
input wire	fpga_reset;
input wire	nhold_clk_wait;
output wire	clrpc;
output wire	nreset;
 
reg	clrpc_int;
wire	nclk;
reg	x1;
wire	x2;
wire	x3;
wire	SYNTHESIZED_WIRE_8;
wire	SYNTHESIZED_WIRE_1;
reg	SYNTHESIZED_WIRE_9;
reg	DFFE_intr_ff3;
reg	SYNTHESIZED_WIRE_10;
wire	SYNTHESIZED_WIRE_11;
wire	SYNTHESIZED_WIRE_3;
reg	SYNTHESIZED_WIRE_12;
wire	SYNTHESIZED_WIRE_6;
 
assign	nreset = SYNTHESIZED_WIRE_6;
 
 
 
 
always@(posedge nclk or negedge SYNTHESIZED_WIRE_8)
begin
if (!SYNTHESIZED_WIRE_8)
	begin
	x1 <= 1;
	end
else
	begin
	x1 <= ~x1 & reset_in | x1 & ~SYNTHESIZED_WIRE_1;
	end
end
 
assign	clrpc = clrpc_int | SYNTHESIZED_WIRE_9 | DFFE_intr_ff3 | SYNTHESIZED_WIRE_10;
 
assign	SYNTHESIZED_WIRE_1 =  ~reset_in;
 
assign	x2 = x1 & SYNTHESIZED_WIRE_11;
 
assign	SYNTHESIZED_WIRE_11 = M1 & T2;
 
assign	x3 = x1 & SYNTHESIZED_WIRE_3;
 
assign	SYNTHESIZED_WIRE_6 =  ~SYNTHESIZED_WIRE_12;
 
assign	SYNTHESIZED_WIRE_3 =  ~SYNTHESIZED_WIRE_11;
 
assign	nclk =  ~clk;
 
assign	SYNTHESIZED_WIRE_8 =  ~fpga_reset;
 
 
always@(posedge nclk)
begin
if (nhold_clk_wait)
	begin
	DFFE_intr_ff3 <= SYNTHESIZED_WIRE_9;
	end
end
 
 
always@(posedge nclk)
begin
if (nhold_clk_wait)
	begin
	SYNTHESIZED_WIRE_10 <= SYNTHESIZED_WIRE_12;
	end
end
 
 
always@(posedge nclk)
begin
if (nhold_clk_wait)
	begin
	SYNTHESIZED_WIRE_9 <= SYNTHESIZED_WIRE_10;
	end
end
 
 
always@(posedge clk or negedge SYNTHESIZED_WIRE_8)
begin
if (!SYNTHESIZED_WIRE_8)
	begin
	SYNTHESIZED_WIRE_12 <= 1;
	end
else
	begin
	SYNTHESIZED_WIRE_12 <= x3;
	end
end
 
 
always@(posedge nclk or negedge SYNTHESIZED_WIRE_6)
begin
if (!SYNTHESIZED_WIRE_6)
	begin
	clrpc_int <= 0;
	end
else
	begin
	clrpc_int <= ~clrpc_int & x2 | clrpc_int & ~SYNTHESIZED_WIRE_11;
	end
end
 
 
endmodule
 

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.