Summary of predefined Scalar types in VHDL Download higher resolution as PNG here
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Tag Archives: VHDL
Symbolator¶
Symbolator is a component diagramming tool for VHDL and Verilog. It will parse HDL source files, extract components or modules and render them as an image. Symbolator can render to PNG bitmap images or SVG, PDF, PS, and EPS vector images. SVG is the default.
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Clk’event vs rising_edge
When you have worked with VHDL code written by many other FPGA engineers, you are bound to notice that there are two common ways to model an edge detector in VHDL. There’s the rising_edge(clk) statement, and there’s the old style clk’event and clk = ‘1’ method.
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ZX-Spectrum-Component-Video
The ZX Spectrum in its original form produces a radio frequency signal that can be fed into an analog TV. The quality of this signal is very poor, but this can be improved by a simple modification that will make the ZX Spectrum output a composite video signal instead.
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The NEO430 Processor
Welcome to The NEO430 Processor project! You need a small but still powerful, customizable and microcontroller-like processor system for your next FPGA project? Then the NEO430 is the right choice for you.
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jeremiah-c-leary/vhdl-style-guide
Coding style enforcement for VHDL. VHDL Style Guide (VSG) provides coding style guide enforcement for VHDL code.
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1. Table of Contents¶
In this tutorial, VHDL is used to implement various designs on FPGA board. All the designs are tested on the FPGA boards. NIOS II processor is also used for designs. In this tutorial, Verilog is used to implement various designs on FPGA board. All the designs are tested on the FPGA boards.
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VHDLBoy
VHDLBoyVHDL Gameboy Color implementationScope All internal Gameboy features for Singleplayer CPU Bussystem Video (CGB colorization is mandatory!) Timer Sound Joypad Gamemodule Memory Controller (MBC1,2,3,5) Speed multiplier system (Turbo Mode support) Out of Scope External Hardware Printer Camera
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Home
This space contains logic examples and material for both programmable (FPGA and CPLD) as well as discrete logic designs.
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Basic Binary Division: The Algorithm and the VHDL Code
Based on this algorithm, we’ll derive a block diagram for the circuit implementation of binary division. Finally, we’ll look at the ASMD (Algorithmic State Machine with a Data path) chart and the VHDL code of this binary divider. Consider dividing 11000101 by 1010.
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