概要\n\nSega Mega Drive(セガ メガドライブ + 北米Sega Genesis)はSega Enterprises(東京都品川区、1960年David Rosen + Marty Bromley + Irving Bromberg共同創業 + 1965年Service Games Hawaii Sega Enterprises改名 + 累計1960-2025年65年継続業界Pro Game Console + Pro Game業界History Pro Reference Heritage Pro Top独占)が1988年10月29日公開のMega Driveで、北米Sega Genesis(1989-08-14)・16-bit Game Console戦争主役 + Sonic the Hedgehog 1991-06革命 + Pro Sega 16-bit Game Console代表機 + Pro Aggressive Marketing "Genesis does what Nintendon't"Famous Quote。Mega Drive歴史: 1986年Sega Master System(Pro Mainstream競合 + 累計1,300万)後継 + 1988-10-29 Mega Drive公開(¥21,000、日本) + 1989-08-14 Sega Genesis北米公開($189) + 1990-09-09 Sega Genesis欧州公開 + 1990-Phantasy Star II公開 + 1991-06-23 Sonic the Hedgehog公開(累計1,500万+ Cartridge販売 + Pro Sega Mascot業界Top独占革命 + Sega Brand業界Top独占革命) + 1992-Sonic the Hedgehog 2公開(累計600万+ Cartridge) + 1992-Mortal Kombat公開(Pro 17歳指定Pro Reference) + 1992-Sega CD(Mega Drive周辺機器) + 1994-Super Street Fighter II公開 + 1994-Sega 32X(Mega Drive周辺機器) + 累計1988-1997年9年継続Mainstream + 累計世界販売3,500万+台 + Pro Sega Aggressive Marketing "Genesis does what Nintendon't"Famous Quote(1989-Sega North America Tom Kalinske CEO主導Pro Marketing Heritage Pro Reference Heritage Pro Top独占)。Mega Drive 主要機能: (1)Motorola 68000 CPU 7.6MHz(16/32-bit Architecture + Apple Macintosh 128K(1984)同SOC + Pro 16-bit Mainstream + Pro Game Console SOC)、(2)Zilog Z80 3.58MHz Sub-CPU(Sub-CPU + Sound + Sega Master System Backward Compatibility + Pro Multi-CPU Game Console)、(3)64KB Internal RAM(Famicom 2KBの32倍 + Pro 16-bit Mainstream Game Console RAM)、(4)64KB Video RAM(Pro 16-bit Game Console Video Memory)、(5)256KB-32MB Cartridge(初代256KB Cartridge → 後年32MB Cartridge対応)、(6)Yamaha YM2612 FM Sound Chip(Pro 16-bit Game Sound業界Heritage Pro Top独占 + Pro FM Sound革命 + Pro Sega Sound Heritage Pro Reference)、(7)320x224 Pixel + 512色Color + 80 Sprite対応(Pro 16-bit Game Console Display)、(8)3 Button Joystick + 後年6 Button Joystick(Pro Multi-Button Game Controller革命)、(9)¥21,000(日本)/$189(北米Genesis)価格(Pro 16-bit Mainstream価格)、(10)累計世界販売3,500万+台(1988-1997年9年継続Mainstream + 16-bit戦争主役 + Pro Sega Heritage)、(11)16-bit Game Console戦争主役(Super Nintendo SNES 1990-11競合 + Famicom 8-bit→ 16-bit Console戦争 + 累計Mega Drive 3,500万 vs SNES 4,900万 + Pro 16-bit Game Console業界Top独占競合Heritage)、(12)Sonic the Hedgehog 1991-06革命(累計世界1,500万+ Cartridge販売 + Pro Sega Mascot業界Top独占革命 + Sega Brand業界Top独占革命 + Pro Sonic Brand業界Top独占Heritage)、(13)Pro Aggressive Marketing "Genesis does what Nintendon't"(1989-Sega North America Tom Kalinske CEO主導Pro Marketing Heritage Pro Reference Heritage Pro Top独占 + Pro Famous Quote業界Pro Reference)、(14)Pro Famous Title(Sonic the Hedgehog/Phantasy Star II/Streets of Rage/Mortal Kombat/Streets of Rage 2/Aladdin/Sonic 2 + Pro Game業界Heritage Pro Top)。Mega Drive vs 競合Game Console比較: Famicom NES(1983-07、8-bit、2KB RAM、累計6,200万+台、Pro Mainstream出発点 + Mario)・Sega Master System(1985-、8-bit、累計1,300万、Pro Mainstream競合)・Mega Drive Genesis(1988-10、本レコード、16-bit Motorola 68000 + Z80 Sub + 64KB RAM、累計3,500万+台、16-bit戦争主役 + Sonic革命)・Super Nintendo SNES(1990-11、16-bit、128KB RAM、累計4,900万、16-bit戦争主役 + Mario World)・Sony PlayStation(1994-12、32-bit、2MB RAM、累計1.02億、3D + CD-ROM革命)、Famicom = 8-bit Pro Mainstream出発点 + Mario、Mega Drive = 16-bit戦争主役 + Sonic + Aggressive Marketing、SNES = 16-bit戦争主役 + Mario World、PlayStation = 3D + CD-ROM革命。Mega Drive歴史的影響: (1)16-bit Game Console戦争主役 + 累計1988-1997年9年継続Heritage Pro Reference Heritage Pro Top、(2)Sonic the Hedgehog 1991-06革命 + Pro Sega Mascot業界Top独占革命 + Sega Brand業界Top独占革命 + 累計世界1,500万+ Cartridge販売、(3)Pro Aggressive Marketing "Genesis does what Nintendon't" + Pro Famous Quote業界Pro Reference + Tom Kalinske Pro Founder Heritage Pro Reference、(4)Yamaha YM2612 FM Sound Chip + Pro 16-bit Game Sound業界Heritage Pro Top独占 + Pro FM Sound革命、(5)Pro Famous Title(Sonic/Phantasy Star/Streets of Rage/Mortal Kombat) + Pro Game業界Heritage Pro Reference Heritage Pro Top、(6)Sega Aggressive Marketing + Pro Mortal Kombat 17歳指定 + Pro Maturity Game業界Heritage Pro Reference Heritage Pro Top独占、(7)Pro業界History派 + Pro Game業界History派 + Pro Sonic派 + Pro Sega派 真価発揮。Future: 1988-Mega Drive + 1990-Sega Game Gear + 1994-Sega Saturn + 1998-Dreamcast + 2001年Sega Game Console業界撤退 + Pro Sega Software専業Heritage継続Pro Reference。\n\n## 主な特徴・仕組み\n\n- : 1988-10-29 Sega、Mega Drive (1989-08 Genesis 北米)\n- : 1960 Rosen + Bromley + Bromberg Sega\n- : 16/32-bit + Mac 128K同SOC\n- : Sound + SMS Backward\n- : Famicomの32倍\n- : Pro 16-bit Mainstream\n- : Pro 16-bit Sound革命\n- : Pro 16-bit Display\n- : Pro Multi-Button\n- : Pro 16-bit Mainstream価格\n- : 9年継続Mainstream\n- : 累計1,500万+ Cartridge\n- : Pro Aggressive Marketing\n- : SNES競合\n\n## スペック比較表\n\n| Console | 公開年 | bit | CPU | RAM | 累計販売 | Famous Title |\n|---------|--------|-----|-----|-----|---------|-------------|\n| Famicom NES | 1983-07 | 8 | Ricoh 2A03 1.79MHz | 2KB | 6,200万 | Mario/Zelda |\n| Sega Master System | 1985 | 8 | Z80 3.58MHz | 8KB | 1,300万 | Sonic 8-bit |\n| | 1988-10 | 16 | Motorola 68000 7.6MHz | 64KB | 3,500万 | Sonic 16-bit |\n| TurboGrafx-16 PC Engine | 1987-10 | 8/16 | HuC6280 7.16MHz | 8KB | 1,000万 | Bonks Adventure |\n| Neo Geo AES | 1990-04 | 16 | Motorola 68000 12MHz | 64KB | 100万 | KOF/Metal Slug |\n| Super Nintendo SNES | 1990-11 | 16 | Ricoh 5A22 3.58MHz | 128KB | 4,900万 | Super Mario World |\n| Sega Saturn | 1994-11 | 32 | Hitachi SH-2 28.6MHz x2 | 2MB | 920万 | Virtua Fighter |\n| Sony PlayStation | 1994-12 | 32 | MIPS R3000A 33.86MHz | 2MB | 1.02億 | FF7 |\n| Sega Dreamcast | 1998-11 | 128 | Hitachi SH-4 200MHz | 16MB | 920万 | Sonic Adventure |\n| Sony PlayStation 2 | 2000-03 | 128 | MIPS Emotion Engine | 32MB | 1.55億+ | GTA San Andreas |\n\n## 具体例・対応製品\n\n- : 16-bit戦争主役\n- : 北米版\n- : 累計1,500万+ Cartridge\n- : Pro RPG Heritage\n- : Pro Beat-em-up Heritage\n- : Pro 17歳指定Famous\n\n## 自作PCでの選び方・注意点\n\nMega Drive歴史Concept学習 + 現代Pro Sega Workflow例: (A)現代Pro任天堂 PlayStation構成: PlayStation 5 Pro + Sonic Frontiers + Pro Mainstream Sega Software、(B)Pro Retro Mega Drive¥10,000構成: Anbernic RG35xx + GarlicOS + Mega Drive Emulation + Pro Retro Heritage、(C)歴史Sega Heritage学習¥0構成: Mega Drive 1988 → Sonic Frontiers 2022 = 36年Pro Sega業界Heritage学習Pro Reference。Mega Drive歴史 選択ポイント: (1)16-bit Game Console戦争主役 + Pro Sega Heritage = 1988-10-29 Mega Drive公開 + 1990-11 SNES競合 + 累計1988-1997年9年継続Mainstream + 累計Mega Drive 3,500万 vs SNES 4,900万 + Pro 16-bit Game Console業界Top独占競合Heritage Pro Reference + Pro 16-bit戦争主役 Heritage Pro Top独占 + Pro業界History派 + Pro Sega派 真価発揮、Pro 16-bit戦争派 + Pro業界History派 真価発揮、(2)Sonic the Hedgehog 1991-06革命 + Pro Sega Mascot業界Top独占革命 = 1991-06-23 Sonic the Hedgehog公開 + 累計世界1,500万+ Cartridge販売 + Pro Sega Mascot業界Top独占革命 + Sega Brand業界Top独占革命 + Pro Sonic Brand業界Top独占Heritage + 累計34年Sonic Heritage継続、Pro Sonic派 + Pro Sega Brand派 真価発揮、(3)Pro Aggressive Marketing "Genesis does what Nintendon't" + Pro Famous Quote = 1989-Sega North America Tom Kalinske CEO主導Pro Marketing Heritage Pro Reference Heritage Pro Top独占 + Pro Famous Quote業界Pro Reference + Pro Aggressive Marketing革命 + Pro Marketing史Pro Reference Heritage Pro Top独占、Pro Marketing派 + Pro Famous Quote派 真価発揮、(4)Yamaha YM2612 FM Sound Chip + Pro 16-bit Game Sound革命 = Pro 16-bit Game Sound業界Heritage Pro Top独占 + Pro FM Sound革命 + Pro Sega Sound Heritage Pro Reference + Pro Yamaha Pro Reference Heritage + Pro Game Music業界Heritage Pro Top独占、Pro Game Music派 + Pro FM Sound派 真価発揮、(5)Pro Famous Title(Sonic/Phantasy Star/Streets of Rage/Mortal Kombat) = Sonic the Hedgehog 1991 + Phantasy Star II 1990 + Streets of Rage 1991 + Mortal Kombat 1992 + Pro Game業界Heritage Pro Reference + Pro Famous Title Pro Reference Heritage Pro Top独占 + 累計34年継続Heritage、Pro Famous Title派 + Pro Game History派 真価発揮。\n\n## 関連用語との違い\n\n: 8-bit + 2KB RAM + 64-512KB Cartridge + 累計6,200万+台 + Pro Mainstream出発点 + Mario。Mega Drive Genesis(1988 + 16-bit + 64KB RAM + 256KB-32MB Cartridge + 累計3,500万+台 + 16-bit戦争主役 + Sonic)後継 + 5年後継 + bit 2倍 + RAM 32倍 + Cartridge 64倍 + Mario vs Sonic革命、Famicom NES = 8-bit Pro Mainstream出発点 + Mario、Mega Drive = 16-bit戦争主役 + Sonic + Aggressive Marketing。\n\n: 16-bit + Ricoh 5A22 3.58MHz + 128KB RAM + 累計4,900万 + 16-bit戦争主役 + Super Mario World。Mega Drive Genesis(1988 + 16-bit + Motorola 68000 7.6MHz + 64KB RAM + 累計3,500万 + Sonic)競合 + 2年後継 + 同16-bit + RAM 2倍 + 累計1,400万差 + Mega Drive(Sonic + Aggressive Marketing) vs SNES(Mario + Pro Premium) + 16-bit Game Console戦争主役、Mega Drive = 16-bit Sega Sonic + Aggressive Marketing、SNES = 16-bit任天堂 Mario + Pro Premium。\n\n## よくある質問(FAQ)\n\n\nA: 1988-10 Mega Drive vs 1990-11 Super Nintendo SNES + 累計1988-1997年9年継続16-bit戦争 + 累計Mega Drive 3,500万 vs SNES 4,900万 + Pro 16-bit Game Console業界Top独占競合Heritage + Mega Drive(Sonic + Aggressive Marketing) vs SNES(Mario + Pro Premium) + Pro Game Console業界Top独占競合Heritage Pro Reference Heritage Pro Top独占 + 36年Pro 16-bit戦争Heritage継続。\n\n\nA: 1991-06-23 Sonic the Hedgehog公開 + Yuji Naka(中裕司、Pro Founder) + Naoto Ohshima(大島直人、Pro Sonic Designer) + 累計世界1,500万+ Cartridge販売 + Pro Sega Mascot業界Top独占革命 + Sega Brand業界Top独占革命 + Pro Sonic Brand業界Top独占Heritage Pro Reference + 累計34年Sonic Heritage継続 + 累計Sonic Brand 9億+ Game販売 + Pro Sega Brand業界Top独占革命Heritage Pro Top。\n\n\nA: 1989-Sega North America Tom Kalinske CEO(1990-1996年Sega North America CEO + Pro Marketing Pro Founder)主導 + Pro Aggressive Marketing "Genesis does what Nintendon't"Famous Quote + Pro Marketing革命 + 累計北米Genesis 2,090万+ 販売 + 1991-1993年北米Genesis Famicom NES追い越し + Pro Marketing史Pro Reference Heritage Pro Top独占 + Pro Famous Quote業界Pro Reference Heritage Pro Top独占。\n\n## まとめ\n\n- 1988-10 Mega Drive (1989 Genesis 北米)、16-bit戦争主役\n- Motorola 68000 + Z80 Sub + 64KB RAM\n- 累計世界3,500万+台 + ¥21,000/$189\n- Sonic the Hedgehog 1991 累計1,500万+ Cartridge\n- "Genesis does what Nintendon't" Pro Aggressive Marketing