1979 [60fps] IPM Invader 61700pts
41IPMインベーダー / IPM Invader IPM 1979 61700点 Player galznt 収録Ver ThunderMAME32UI+0.153 30年ほど前(当時、高校生)に58000点出しましたが、それを上回って61700点まで行きました。最後は集中力が切れて侵略されてしまいました。ＵＦＯの点数は弾を発射した数ではなく中心に当ると高得点(300点、150点)が出やすいような気がします。
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IPMインベーダー
発売年：1979.01
開発／発売元：IPM（アイレム）
ジャンル：インベーダータイプ
コントローラ：2方向レバー+1ボタン
システムボード：専用基板
CPU構成[M6502]
IPM（後のアイレム）がタイトーからライセンスを取得して作ったインベーダー。自機の爆発シーンの違いが特徴。カラー版。このIPMインベーダーは基板がIPMオリジナルで、タイトーの基板よりも高性能だった。タイトーのインベーダーはカラーと言っても、画面に色付きシートを張ったようなカラーで、トーチカに接触したキャラはトーチカの色になってしまうのに対し、IPMの物はトーチカに接触してもキャラ固有の色で表示される。また、基板に付いたつまみを回すことでCPUクロックの周波数を変化させ、速度（難易度）を調節できる。しかし、内容自体はタイトーのインベーダーと全く同じであり、高性能の基板に意味があったのかは分からない。インパクトの強い、キャラクターを変更しただけの他社のコピー基板のほうが人目を引く事になったようだ。
IPM Invader (c) 1979 IPM Corp.
- TECHNICAL -
Main CPU : M6502 (@ 2.5 Mhz)
Screen orientation : Vertical
Video resolution : 224 x 240 pixels
Screen refresh : 60.00 Hz
Palette colors : 8
Players : 2
Control : 2-way joystick
Buttons : 1
- TRIVIA -
Released in January 1979. Known as the poor mans version of "Space Invaders".
Irem was founded in 1974 as 'IPM Corp.' in Hakusan, Japan. Like most of their contemporaries, the company's initial purpose was to produce and rent out electronic leisure machinery to various sections of the entertainment industry. With the advent of arcade videogaming and the hugely popular "Space Invaders" (1978), Irem opted to move into the development and manufacturing of their own titles. They rapidly released their own 'invader clone', the aptly named IPM Invader.
IPM Invader was a crude and shameless copycat of Taito's milestone, but yet the sheer popularity of arcade rooms at the time saw the game do well enough to convince the company that games were a viable business opportunity.
In 1979 they changed their corporate name to Irem Corp., an acronym for 'International Rental Electronics Machines'. This would stand until the mid-80s, when it would then be changed to 'Innovations in Recreational Electronic Media'.
For their first few years, Irem's output was average at best. If anything it could almost be considered poor: random invader clones and poorly produced action games disappeared amongst the numerous other titles of the day.
Original products :
Space Invaders (Taito Corp.)
T.T Space Invaders (Taito Corp.)
Space Invaders [Trimline model] (Taito America Corp.)
It is like "Space Invaders", with identical graphics. It uses a color monitor instead of a black and white monitor with a color overlay.
It has the addition of the famous 'coffee break'. What's the 'coffee break'? The 'coffee break' is a unique feature in IPM Invaders whereas after every 3rd wave or pattern of invaders, the 'coffee break' appears.
Another unique feature in IPM Invader is the 'capsules'. When dip switch settings are changed to advanced settings, the game becomes more difficult with the introduction of the UFO (mystery score ship) dropping 'capsules' that hatch into new invaders. The 'capsules' cannot be destroyed until they hatch, and are dropped across the screen to defeat the players 'narrow column' strategy.
- SCORING -
Large Invader : 10 points
Medium Invader : 20 points
Small Invader : 30 points
UFO : 50 to 300 points
- SOURCES -
Game's rom.
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Other Statistics
Space Invaders Statistics For Replay Burners
At present, Replay Burners has 468,530 views spread across 17 videos for Space Invaders, and about 8 hours worth of Space Invaders videos were uploaded to his channel. This is less than 0.46% of the total video content that Replay Burners has uploaded to YouTube.