Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
直接メモリアクセス
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
KOBA789
December 06, 2025
Technology
860
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
直接メモリアクセス
Kernel/VM探検隊@北陸 Part 8 で発表した内容です。
KOBA789
December 06, 2025
More Decks by KOBA789
See All by KOBA789
8bit CPU 2026
koba789
7
3.2k
メモリが足らない2026
koba789
4
2.7k
人工衛星のファームウェアをRustで書く理由
koba789
16
10k
令和最新版手のひらコンピュータ
koba789
14
9.7k
時の流れが許せない
koba789
0
7.3k
ついに生産が終わったけどZ80でまだまだ遊びたい
koba789
5
4.9k
ISUCONの練習を楽しくたくさんやる方法
koba789
3
1.6k
Z80をRustで動かすまで年が越せない
koba789
0
490
ISUCON練習環境を最も簡単に用意する方法
koba789
2
3.5k
Other Decks in Technology
See All in Technology
データ_AIの事業の勝敗をわけるもの
nek0128
1
480
AI Native Platform Engineering 〜PlatformとAgileで“作る速さ”を“価値”へ〜
uya116
0
190
猫でもわかるKiro Web
kentapapa
1
110
AIエージェントの権限管理 3: Agentic RAG の Fine grained access control 編
ren8k
1
280
Amazon Bedrock Agents ClassicからAmazon Bedrock AgentCoreへ移行した際、ガードレール設定が2箇所に割れた話
matsunobu
0
120
AIで社員の自主発信に広報目線を組み込む
_mossann_t
0
150
AIに書かせて、プラットフォームで縛る ― EKSプラットフォームで実践した責任境界と権限設計
elmodev09
0
670
ScotSecure West 2026 - Glasgow
raybugg
0
180
その Lambda、8分で 管理者権限まで奪われます
k1nakayama
7
3.8k
技術的負債から考える、AI時代のエンジニアリング投資 — ビズリーチの技術的負債と向き合った経験から、変更し続けられるソフトウェアを考える/ technical-debt-con2026
visional_engineering_and_design
4
3.9k
AIエージェントを安全で速い現場監督にする:Jev・Obsidian・メタハーネス
x5gtrn
PRO
0
130
LLMに渡さなかった仕事
nanaism
0
14k
Featured
See All Featured
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
aleyda
2
2.2k
GraphQLとの向き合い方2022年版
quramy
50
15k
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
helenjbeal
1
340
Leo the Paperboy
mayatellez
10
2.3k
Leveraging LLMs for student feedback in introductory data science courses - posit::conf(2025)
minecr
1
410
B2B Lead Gen: Tactics, Traps & Triumph
marketingsoph
0
250
Claude Code のすすめ
schroneko
67
230k
The Hidden Cost of Media on the Web [PixelPalooza 2025]
tammyeverts
2
510
What does AI have to do with Human Rights?
axbom
PRO
1
2.4k
Primal Persuasion: How to Engage the Brain for Learning That Lasts
tmiket
0
490
Ethics towards AI in product and experience design
skipperchong
2
380
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
31
3.4k
Transcript
KOBA789 ϝϞϦΞΫηε ,FSOFM7.୳ݕୂ!1BSU
KOBA789 εϥΠυ͕Ͱ͖͍ͯͳ͍ͷͰσϞͰ͝·͔͠·͢ ‣ ࣄ ‣ 3VTUͰਓӴͷϑϥΠτιϑτΣΞΛॻ͍ͨΓ ‣ ਓӴͷϢʔβʔൃ۷ͷͨΊʹೆถߦͬͨΓ ‣ झຯ
‣ ࣗ࡞%#.4Λ࡞ͬͨΓ ‣ ϒϥβͰಈ͘ి࣓ϦϨʔճ࿏$"% γϛϡϨʔλΛ࡞ͬͨΓ ‣ :PV5VCFS׆ಈΛͬͨΓΒͳ͔ͬͨΓ IUUQTZPVUVCFDPN!LPCB IUUQTNJTTLFZJP!LPCB
%JSFDU.FNPSZ"DDFTT
%JSFDU.FNPSZ"DDFTT ͱ͍͑
64#ܦ༝Ͱ1$ͷϝϞϦΛ࿐ग़ͤ͞Δ ζϧʁɹ͍͍͑ɺ3%."Ͱ͢ʢॾઆʣ RP2040༻ͷۭؒ Z80༻ͷۭؒ Z80 όε 4FSJBM1PSU 3%."ʢաݴʣ όϯΫΩϟογϡ
64Byte BIG MEMORY PC RV32IMA Emulator
-JOVYPO;ແࣄىಈ͠·ͨ͠ MTʹ͔͔Γ·͢
εϥΠυͰ͖ͯͳ͍͔Β ͷσϞͬͯईՔ͙ͧ
ىಈʹؙ͔͔ΔͷͰμϝͰ͢
ΞϦΤΫങ͍γϦʔζ w ຕઍԁʙઍԁ͘Β͍ w )6#ͱ͍͏ϓϩτίϧ w ن֨Խ͞Ε͍ͯΔΑ͏Ͱ ͞Ε͍ͯͳ͍͕ΈΜͳίϨ -&%σΟεϓϨΠ https://ja.aliexpress.com/item/1005009526448143.html
)6# ͱͯݡ͍͕͘͢͝ϙϯίπ w ߦͷγϑτϨδελͱ ߦͷϥονͱ ߦͷϚϧνϓϨΫα͔ΒͳΔ w 3(#֤৭Ϗοτ w ಉ࣌ʹ౮Ͱ͖Δͷߦ͚ͩ
w ؾ߹ͰμΠφϛοΫ౮ w ίϯτϩʔϥ͕ؤுΕ http://www.moonbaseotago.com/hub75/
)6# ͱͯݡ͍͕͘͢͝ϙϯίπ w ߦΛγϑτϨδελʹૹΔ w 0&ΛσΞαʔτͯ͠ফ౮ w -"5ΛΞαʔτͯ͠ϥον w ߦΞυϨεΛΓସ͑
w 0&ΛΞαʔτͯ͠౮ w ҎԼ܁Γฦ͠ w ͜ΕͰ৭ग़ͤΔ http://www.moonbaseotago.com/hub75/
͍ͭ͜ΛͲ͏ʹ͔ޫΒ͍ͤͨ
·ͣͲ͏ͬͯ ϑϧΧϥʔΛग़͔͢
RGB=0xFFFFFF
R=0xFF
R=0b11111111 ࠨͷܻ ӈͷܻΑΓഒ໌Δ͍ Y Y Y Y Y Y Y
R=0b11111111 1T 2T 4T 8T 16T 32T 64T 128T #JOBSZ
$PEF .PEVMBUJPO ֤ϏοτʹO5ͷ౮࣌ؒΛ ׂΓͯΔ
CJUΧϥʔ)[Λ ग़ͦ͏ͱ͢Δͱ
5 ʹTʸ QYʷQYʷ)[ʷ5 ˺OT ϐΫηϧϨʔτ͕.)[ʂ
͜ΜͳΜιϑτΣΞ͡Ό ແཧͩΑʙʙ
%."͕มଶͰ͋Δ͜ͱͰ༗໊ w %."ͷνΣʔϯ͕Ͱ͖Δ w %."Ͱ%."ͷίϯϑΟά ϨδελΛॻ͚Δ w ͦΕΛఆ༷͕ͨ͋͠Δ w σʔλγʔτʹ༻ྫ͕
ࡌ͍ͬͯΔ w ࣮νϡʔϦϯάશ 31 https://www.raspberrypi.com/products/raspberry-pi-pico/
%."ίϯτϩʔϧϨδελ ॱংͷҟͳΔΤΠϦΞε͕ఆٛ͞Ε͍ͯΔ ͍ͣΕ͔ͷ5SJHHFSϨδελʹॻ͘ͱసૹ͕։࢝ʢॏཁʣ 5SJHHFSϨδελΛૂͬͯ%."Ͱॻ͍ͯΕ%."͔Β%."͕ऽΕΔ
தུ தུ https://pip-assets.raspberrypi.com/categories/814-rp2040/documents/RP-008371-DS-1-rp2040-datasheet.pdf ެࣜσʔλγʔτʹ͋Δ 4DBUUFS(BUIFSͷྫ
Ptr(8) Ptr(8) Ptr(8) Ptr(8) Ptr(8) Ptr(8) Ptr(8) Ptr(8) Ptr(4) Ptr(4)
Ptr(4) Ptr(4) Ptr(2) Ptr(2) Ptr(1) 8 4 2 1 ϏοτϓϨʔϯ ίϯτϩʔϧϒϩοΫ %."Ϩδελ Read Address Trigger %."Ͱసૹ 1*0'*'0 FIFO TX %."Ͱసૹ Α͘Θ͔Βͳ͍ਤ
σϞ
Α͔ͬͨͰ͢Ͷ ࠓޙΞχϝʔγϣϯΓ͍ͨ
KOBA789 ϝϞϦΞΫηε ,FSOFM7.୳ݕୂ!1BSU
%JSFDU.FNPSZ"DDFTT
ΞϦΤΫങ͍γϦʔζ w "SUJY 5 1$*F '5 w ۃ·ͬͨਓʑ͜ΕͰήʔϜͷ νʔτΛ͢ΔΒ͍͠ w
Ͳ͏͍͏ੈքͩΑ w ධՁϘʔυങ͏ΑΓ͍҆ w εϐʔυάϨʔυͱ γϦΞϧ൪߸͕ফ͞Εͨੴ w ҋ ϝϞϦΞΫηεΧʔυ https://ja.aliexpress.com/item/1005008778820516.htm
1$*Fʹ͓͚Δ%." 1$*FͰ୭͕ओʢόεϚελʣʹͳΕΔ w 1$*F5-1 5SBOTBDUJPO-BZFS1BDLFU Λ͛߹ͬͯ௨৴͢Δϓϩτίϧ w SPPUDPNQMFY ϚβϘʹ͍Δͭ ʹ
.FNPSZ8SJUF5-1.FNPSZ3FBE5-1Λ͛ΔͱΞΫηεͰ͖Δ w *0..6ͱ͔͍ͳ͚Ε ϝϞϦΞΫηεଞͷσόΠε੍ޚΓ์ʂ w (16͕44%͔ΒσʔλಡΉͭͰΘΕ͍ͯΔ w %JSFDU4UPSBHFςΫενϟΛ44%͔Βϩʔυ w (16Ͱ42-Λ࣮ߦ͢Δ1(4USPNͱ͔ͰͬͯΔ
1$*-FFDI %."ΧʔυΛͬͯରϗετʹׯবͰ͖Δπʔϧ w વ͍Ζ͍Ζո͍͜͠ͱ͕Ͱ͖Δ w ϑΝΠϧΛDPQZUP DPQZGSPN w ϓϩηεͷҰཡΛऔಘ w
ೝূແ͠ʹγΣϧΛऔಘ w IUUQTHJUIVCDPNVGSJTLQDJMFFDI
σϞ
1$*-FFDI-JOVYλʔήοτͷ߹ͷΈ 8JOEPXTίʔυಡΊͳ͍͠ৄ͘͠ͳ͍ͷͰʜʜ w ϝϞϦεΩϟϯͯ͠LBMMTZNTͷςʔϒϧΛݟ͚ͭΔ w LBMMTZNT͔ΒಘΒΕͨΧʔωϧͷศརؔΛͬͯ ո͍͠ΧʔωϧϞδϡʔϧΛϩʔυ w ո͍͠ΧʔωϧϞδϡʔϧΛ͕͔Γʹ͍Ζ͍ΖΔ w
Χʔωϧσόοάʹศརͦ͏ʢʁʣ
ͱ͜ΖͰ
64#ʹ1$*F͕௨ΔΜͰ͢Α
ຊͷ#BE64#͕ʂʁ ͋Δ͍1$*XBSVJ ରࡦਐΜͰ͍·͕͢ؾΛ͚ͭ·͠ΐ͏ w NBD04 w ը໘ϩοΫঢ়ଶͰ5IVOEFSCPMU 64# ͷ%."෧͡ΒΕ͍ͯΔ w
*0..6͕༗ޮͳͷͰΞΫηεൣғ͕ݶఆ͞Ε͍ͯΔ w 8JOEPXT w ʮԾԽϕʔεͷηΩϡϦςΟ 7#4 ʯ͕༗ޮͩͱ*0..6ͰकΒΕΔ w -JOVY w JOUFM@JPNNVPOͳΒकΒΕΔؾ͕͢Δ͕ɺઍࠩສผͳͷͰ֤Ґؤுͬͯ w ͜ͷձ-JOVYϥοϓτοϓଟͦ͏
%.""UUBDLWJB'JSF8JSF BLB*&&& J-*/, %7ࢠ w ࣮'JSF8JSFʹ%."͕͋Δ w ͳΜͯເͷ͋ΔΈʂɹ64#ΊΑ͏ʂ w 'JSF8JSFΛͬͨ3%."ͰࢄίϯϐϡʔςΟϯάɺΈ͍ͨͳݚڀ͋Δ
w Վతͳ͋ͷ࣌ʹ͜Μͳͷ͕͋ͬͨΒͲ͏ͳΔ͔ w વϊʔΨʔυͰ͑Β͍͜ͱʹ w NBD04ͷରࡦ͕ਐΜͰ͍Δͷɺ౷తʹ'JSF8JSFϙʔτ͕ඪ४ࡌͰɺ ৗʹ%.""UUBDLͷϦεΫ͕͔͋ͬͨΒͬΆ͍
%."ָ͍͠ʂʂʂʂʂ ;ͷճͰ%."ϐϯΛશ෦ະଓʹͨͭ͠ͷݴ͏͜ͱͰͳ͍ w $16Ҏ֎͕όεϚελʹͳΕΔͱΈͳ͞Μͷ༧ΛཪΕΔ w ༧֎ͷ͜ͱ͕Ͱ͖Δ͔Β͓͠Ζ͍ w ༧֎ͷ͜ͱ͕Ͱ͖ͯ͠·͏͔Β੬ऑੑʹͳΔ