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