The Video Game R-Evolution
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A brief technical history about videogames and some of the limitations that the programmers had to face back in the day.
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The Video Game R-Evolution
- 1. The Video Game R- Evolution Julio Seaman
- 2. The first videogame? 1947 Cathode Ray Amusement Device
- 4. 1972 - Magnavox Odyssey
- 5. 1972 - Magnavox Odyssey
- 6. 1972 - Pong
- 7. 1972 - Pong
- 8. 1975 - Sears Pong
- 9. 1977 - Atari 2600
- 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: Universal Pong Machine • Playfield • 2 Players • 2 Missiles • 1 ball
- 14. Atari 2600: ASM 6502 • 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)
- 18. Atari 2600: Playfield “Racing the Beam” Original Article at "Random Terrain"
- 19. Atari 2600: Playfield How MK would have looked in an Atari 2600
- 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)
- 30. Atari 2600: Video Chess
- 31. Atari 2600: Video Chess “Venetian Blinds”
- 32. Atari 2600: Activision "You are no more important to that game than the guy on the assembly line who puts it together." - Ray Kassar, Atari CEO
- 34. Game Crash of 1983
- 35. Atari 2600: Game Over!
- 36. 1983 - NES
- 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
- 39. Atari 2600 vs NES
- 40. NES: The Tile Machine • 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!
- 44. NES: Name Tables Scrolling • 2 writes into PPUSCROLL • x • y • Bits 1 y 0 of PPUCTRL
- 46. NES: Sprites • 64 at 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
- 47. PC
- 48. PC: CGA • 2 modes (ah, al, int 13h) • text • 16 colors (+ blinking) • 80x25 • b800h : text/attributes matrix • graphic • 4 colors. 4 palettes? • 320x200 • a000: pixel matrix
- 49. PC: CGA
- 50. PC: CGA
- 51. PC: CGA
- 52. PC: CGA
- 53. PC: CGA
- 54. PC: CGA
- 57. PC: CGA
- 58. CGA -> VGA
- 59. CGA -> VGA
- 60. CGA -> VGA
- 61. 3D: 80’s
- 63. 3D: Ray Casting
- 64. Wolfenstein 3D
- 65. Trees
- 66. BSP Trees
- 67. Doom
Editor's Notes
- Thomas T. Goldsmith
- estudiantes MIT
- 418 juegos hasta 1992
- created by Warren Robinet
- David Crane, Larry Kaplan, Alan Miller, and Bob Whitehead