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The Video Game R-Evolution
The document outlines the evolution of video games from the first cathode ray amusement device in 1947 to the Atari 2600 and NES, detailing key specifications and features. It discusses the architecture, performance, and capabilities of various gaming systems including the Atari 2600 and NES alongside notable games and their impact. Additionally, it touches on technological advancements and challenges faced in video game development during this era.
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The Video Game R-Evolution
- 1. The Video GameR- Evolution Julio Seaman
- 2. The first videogame? 1947 CathodeRay Amusement Device
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- 4. 1972 - MagnavoxOdyssey
- 5. 1972 - MagnavoxOdyssey
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- 8. 1975 - SearsPong
- 9. 1977 - Atari2600
- 11. Atari 2600 • CPU:6507, 8 bit, 1.19 mhz • RAM: 128 bytes • ROM: 4K • Resolution: 160x192 • Colors: 128 max, 2 x scanline (playfield), 1 x player
- 12. Atari 2600 • Arquitecture •6507 • RIOT • Stella/TIA • Cartridge
- 13. Atari 2600: UniversalPong Machine • Playfield • 2 Players • 2 Missiles • 1 ball
- 14. Atari 2600: ASM6502 • Read/Write • Register Transfer • Stack Operations • Logical Operations • Arithmetic Operations • Inc/Dec • Bit shifting • Jump! • Branching
- 15. Atari 2600 -General Go to "Random Terrain" to see original article
- 16. Atari 2600: Playfield •PF0,PF1,PF2 • COLUPF, COLUBK • CTRPLF • D0: Reflect • D1: Score • D2: Priority • D4-5: Ball size (1,2,4,8)
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- 18. Atari 2600: Playfield “Racingthe Beam” Original Article at "Random Terrain"
- 19. Atari 2600: Playfield HowMK would have looked in an Atari 2600
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- 24. Atari 2600: Players& Missiles • “Mejor resolución” (1 clock x bit) • Definición: GRP1, GRP2 • 1 color (COLUP0, COLUP1) • player.setPosition(x,y); // yeah, right! • y = scanline # • x = ? • RESP1,RESP2,RESMP1,RESMP2 • HMP0,HMP1,HMM1,HMM2; HMOVE
- 25. Atari 2600: Players& Missiles Variations• NUSIZ0, NUSIZ1 • Bits 0-2: • 0 One copy (X.........) • 1 Two copies - close (X.X.......) • 2 Two copies - medium (X...X.....) • 3 Three copies - close (X.X.X.....) • 4 Two copies - wide (X.......X.) • 5 Double sized player (XX........) • 6 Three copies - medium (X...X...X.) • 7 Quad sized player (XXXX......) • Bits 4-5: Missile size (0..3 = 1,2,4,8 “pixels” width)
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- 30. Atari 2600: VideoChess
- 31. Atari 2600: VideoChess “Venetian Blinds”
- 32. Atari 2600: Activision "Youare no more important to that game than the guy on the assembly line who puts it together." - Ray Kassar, Atari CEO
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- 34. Game Crash of1983
- 35. Atari 2600: GameOver!
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- 37. NES • CPU: RICOH(basado en 6502), 8 bit, 1.79 mhz • RAM: 2kb, Video RAM: 2kb • ROM: “Kirby’s Adventure” (732kb) • Resolución: 256x224 • Colores: 4 paletas de 16 colores, 4 por tile, 25 max
- 38. NES • Arquitectura • 6502 •PPU • Cartridge
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- 40. NES: The TileMachine • PPU • Pattern Tables • Name Tables • Sprites
- 41. NES: Pattern Tables •8 kb • 8x8 o 8x16 (bit 5 de PPUCTRL) • 4 colores, 2 bits • Secciones (bit 4 de PPUCTRL) • Background • Sprite
- 42. NES: Name Tables •32x30 tiles (de 8x8, 256x240 pixels) • attributes table to indicate palette • addressing for 4 tables (2000h, 2400h, 2800h, 2c00h) • 2kb RAM, oops!
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- 44. NES: Name Tables Scrolling •2 writes into PPUSCROLL • x • y • Bits 1 y 0 of PPUCTRL
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- 46. NES: Sprites • 64at the same time • 8 per scanline • write into SPR-RAM • Y • Tile # • Attributes • Bits 0-1: Color • Bit 5: Priority • Bit 6: Horizontal flip • Bit 7: Vertical flip • X
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- 48. PC: CGA • 2modes (ah, al, int 13h) • text • 16 colors (+ blinking) • 80x25 • b800h : text/attributes matrix • graphic • 4 colors. 4 palettes? • 320x200 • a000: pixel matrix
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