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#!/usr/bin/env python3
"""
VGA Simulation Script for Tiny Tapeout Projects

Simulates Verilog VGA projects using Verilator and captures frames as PNG images.
Reads project configuration from info.yaml and handles compilation, simulation,
and frame capture automatically.

Usage:
    python vga_sim.py [options] <project_dir>

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shuttle	title	tiles	analog_pins	status	render	docs	repo	viewer
ttsky25a	LPCAS_TP1	1x2	5	submitted	-	Docs	Repo	3D Viewer
ttsky25a	2 Stage CMOS Op Amp	1x2	4	submitted	-	Docs	Repo	3D Viewer
ttsky25a	2-bit Flash ADC	1x2	1	submitted	-	Docs	Repo	[3D Viewer](https://gds-viewer.tinytapeo

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# Usage:
# klayout -b -r gds_compare.py -rd gds1=file1.gds -rd gds2=file2.gds

import sys

import pya


def compare_gds(file1, file2):
    diff = pya.LayoutDiff()

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# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2025, Uri Shaked

import struct
from ttboard.mode import RPMode
import ttboard.util.platform as platform

UI_START   =  1 << 0
UI_LOAD_CR =  1 << 1
UI_LOAD_CI =  1 << 2

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import usb_hid
from joystick_xl.hid import create_joystick

# enable default CircuitPython USB HID devices as well as JoystickXL
usb_hid.enable(
  (
    usb_hid.Device.KEYBOARD,
    usb_hid.Device.MOUSE,
    usb_hid.Device.CONSUMER_CONTROL,
    create_joystick(axes=2, buttons=8, hats=1),

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import mitsuba as mi
import argparse
from datetime import datetime
import time
import subprocess
import os

RENDER_WIDTH = 1920
RENDER_HEIGHT = 1080
RENDER_SPP = 256

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from ttboard.demoboard import DemoBoard
from ttboard.mode import RPMode
import ttboard.cocotb.dut


REG_PC = 0
REG_SP = 1
REG_EXEC = 2
REG_STACK_TOP = 3

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# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: 2024 Uri Shaked

import gdspy

LAYER = 134  # TopMetal2
DATATYPE = 22  # filler
PIXEL_SIZE = 0.28  # um

skull = [

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{
  "version": 1,
  "author": "Uri Shaked",
  "editor": "wokwi",
  "parts": [
    {
      "type": "board-esp32-s3-box-3",
      "id": "esp32",
      "top": -24.91,
      "left": -388.54,

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# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2024, Uri Shaked

from ttboard.demoboard import DemoBoard
from ttboard.mode import RPMode
import random
from machine import Pin

WRITE_EN = 0x80