NOR_GATE¶
Source: Verilog/Shared/logisim/NOR_GATE.v
Where it sits (Simulation): ND120_TOP > ND120_CORE > ND3202D > IO_37 > IO_DCD_38 > DECODE_DGA > DECODE_DGA_COMM > NOR_GATE
- instance path: CORE.CPU_BOARD.IO.DCD.DGA.COMM.A196
Used in: CGA_CPU_ALU_CONTR (all tops), CGA_DCD (all tops), CGA_INTR_CNTLR_IRGEL (all tops), CGA_INTR_CNTLR_MDCD (all tops), CGA_INTR_CNTLR_VECGEN_PTY_PTYENC (all tops), CGA_INTR_IRSRC (all tops), CGA_MAC_DECODE (all tops), CGA_MAC_LASEL (all tops), CGA_MAC_PTSEL (all tops), CGA_MIC (all tops), CGA_MIC_STACK (all tops), CGA_MIC_WCAREG (all tops), CGA_TRAP_BRKDET (all tops), CGA_TRAP_TVGEN_P2 (all tops), DECODE_DGA_COMM (all tops), M169C_EN (all tops), MEM_DATA_46 (all tops), RMUX_Gates (all tops)
Contains: no other modules.
Module hierarchy - All modules
Schematic¶
Drawn from the Verilog: the yosys netlist of the Simulation (Verilator) build, instance CORE.CPU_BOARD.MEM.DATA.GATES_1. Sub-modules are boxes (click the picture to open it full size; there every sub-module box links to its page, and every wire shows its Verilog name).
Description¶
Logisim-evolution goes FPGA automatic generated Verilog code https://github.com/logisim-evolution/ Component : NOR_GATE
Ports¶
| Direction | Width | Name | Description |
|---|---|---|---|
| input | 1 |
input1 |
|
| input | 1 |
input2 |
|
| output | 1 |
result |
Verilog source¶
Verilog/Shared/logisim/NOR_GATE.v on GitHub.
Show the Verilog of NOR_GATE (51 lines)
/******************************************************************************
** Logisim-evolution goes FPGA automatic generated Verilog code **
** https://github.com/logisim-evolution/ **
** **
** Component : NOR_GATE **
** **
*****************************************************************************/
module NOR_GATE( input1,
input2,
result );
/*******************************************************************************
** Here all module parameters are defined with a dummy value **
*******************************************************************************/
parameter [64:0] BubblesMask = 1;
/*******************************************************************************
** The inputs are defined here **
*******************************************************************************/
input input1;
input input2;
/*******************************************************************************
** The outputs are defined here **
*******************************************************************************/
output result;
/*******************************************************************************
** The wires are defined here **
*******************************************************************************/
wire s_realInput1;
wire s_realInput2;
/*******************************************************************************
** The module functionality is described here **
*******************************************************************************/
/*******************************************************************************
** Here the bubbles are processed **
*******************************************************************************/
assign s_realInput1 = (BubblesMask[0] == 1'b0) ? input1 : ~input1;
assign s_realInput2 = (BubblesMask[1] == 1'b0) ? input2 : ~input2;
/*******************************************************************************
** Here the functionality is defined **
*******************************************************************************/
assign result = ~(s_realInput1|
s_realInput2);
endmodule