id
related bits
0
processing priority
4
site type
3 (personal blog or private political site, e.g. Blogspot, Substack, also small blogs on own domains)
review version
11
html import
20 (imported)
first seen date
2023-11-14 20:17:46
expired found date
-
created at
2024-05-31 01:05:40
updated at
2025-12-25 10:47:18
length
25
crc
60988
tld
2211
nm parts
0
nm random digits
0
nm rare letters
0
is subdomain of id
69893241 (blogspot.com)
previous id
0
replaced with id
0
related id
-
dns primary id
0
dns alternative id
0
lifecycle status
0 (unclassified, or currently active)
deleted subdomains
0
page imported products
0
page imported random
0
page imported parking
0
count skipped due to recent timeouts on the same server IP
0
count content received but rejected due to 11-799
0
count dns errors
0
count cert errors
0
count timeouts
0
count http 429
0
count http 404
0
count http 403
0
count http 5xx
0
next operation date
-
server bits
—
server ip
-
mp import status
20
mp rejected date
-
mp saved date
-
mp size orig
130102
mp size raw text
24172
mp inner links count
35
mp inner links status
20 (imported)
title
Arcade Hacker
description
Preservation and Reverse Engineering of Arcade Video Games
image
site name
author
updated
2025-12-11 16:01:18
raw text
Arcade Hacker Preservation and Reverse Engineering of Arcade Video Games Tuesday, 7 July 2020 UM3481A Series - Multi-Instrument Melody Generator The UM348x family of sound generating devices is currently unemulated mainly due to a lack of understanding of the chip internal rom structure and data. The sound of these devices should be familiar to many of you as they have been broadly used in many 80s and 90s low end gadgets, doorbells, etc. Bootleg arcade games have used these chips as a way to integrate music at a minimum cost. Each chip contains a fixed number of melodies hardcoded in the silicon during manufacturing. Sean Riddle and ClawGrip have made extensive efforts to document these devices, full decap images, sound recordings, and main mask rom dump available for UM3481A and UM3482A here: http://www.seanriddle.com/um348x/ The following notes taken during my analysis of the mask ROM array structure: Overall view of the UM3481A chips internals with metal removed....
redirect type
0 (-)
block type
0 (no issues)
detected language
1 (English)
category id
index version
2025110801
spam phrases
0
text nonlatin
0
text cyrillic
0
text characters
18945
text words
3948
text unique words
1269
text lines
305
text sentences
143
text paragraphs
70
text words per sentence
27
text matched phrases
18
text matched dictionaries
5
links self subdomains
0
links other subdomains
1 - store.arduino.cc
links other domains
7 - seanriddle.com, kynix.com, dataman.com, utsource.net, pcbway.com, arduino.cc
links spam adult
1
links spam random
0
links spam expired
0
links ext activities
0
links ext ecommerce
3 - ebay.com
links ext finance
0
links ext crypto
0
links ext booking
0
links ext news
0
links ext leaks
0
links ext ugc
108 - blogger.com, 1.bp.blogspot.com, 2.bp.blogspot.com, 4.bp.blogspot.com, drive.google.com, 3.bp.blogspot.com
links ext klim
0
links ext generic
0
dol status
0
dol updated
2025-12-11 16:01:18
rss status
32 (unknown)
rss found date
2024-01-13 00:31:03
rss size orig
467659
rss items
25
rss spam phrases
0
rss detected language
1 (English)
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-
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0 (new)
sitemap path
sitemap status
30 (processing completed, results pushed to table crawler_sitemaps.ext_domain_sitemap_lists)
sitemap review version
1
sitemap urls count
34
sitemap urls adult
0
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0
sitemap filtered videos
0
sitemap found date
2024-01-03 07:00:56
sitemap process date
2024-11-26 05:27:34
sitemap first import date
-
sitemap last import date
-