Benutzer:Aeroid/Boing-Ball-Demo

Start screen of the later PAL-aware variant (15-row wall, 4-row-floor) switched to foreground (no dragged down WB Screen)

Q113517043

Quellen

• ZDFinfo 2017 https://www.youtube.com/watch?v=0n446rCXtWo RJ Mical Ab Min 25
  • night before last day of winter CES Jan 1984 (Wed January 4 to Sat January 7, 1984 ? )
  • first version was just vertical movement
  • later added Sound sampled w/ Apple II and horizontal movement
• Dale Luck Interview: https://www.youtube.com/watch?v=cJcO628yCcU
• https://www.google.de/books/edition/Early_Home_Computers/tC_ZpAyGwiMC?hl=en&gbpv=1&dq=consumer%20electronics%20show%201984%20amiga&pg=PA292&printsec=frontcover
  • Bouncing Ball Demo VIC CES 1978 ?
• https://www.randelshofer.ch/animations/anims/robert_j_mical/boing3.ilbm.html
• https://news.ycombinator.com/item?id=12330689
• https://amiga.lychesis.net/artists/DaleLuck.html#Boing
  • three Bitplanes
    • Ball
    • Grid
    • Shadow
  • Colorcycling 2x14 white/red

• http://www.generationamiga.com/2020/04/14/amiga-history-the-story-of-the-boing-ball/

• https://www.google.de/books/edition/Classic_Videogame_Hardware_Genius_Guide/QZS_gXpshd4C?hl=en&gbpv=1&dq=boing+consumer+electronics+show+1984+amiga&pg=PT217&printsec=frontcover

• https://www.google.de/books/edition/Freax/Ha2_EAAAQBAJ?hl=en&gbpv=1&dq=boing+consumer+electronics+show+1984+amiga&pg=PT217&printsec=frontcover

• • no OS to see at CES'84

Development

• Different variants before CES
• Shown was a simple V-bounce (How was Multi Tasking shown??? WB-prototype?)
• Sound sample added afterwards?
• H-bounce added after the CES
• two main versions
  • Slow / 15 rows
    • 15x15 Grid
    • 3 rows of "floor" tiles
    • Starting middle (H&V) of the screen
    • 3.8s bounces
    • Ball never reaches top 3 rows
  • Double Speed / 12 rows
    • 15x12 Grid
    • 3 rows of "floor" tiles
    • Starting top of Ball in top row
    • 1.9s bounces

Releases

• "bukkake.fi/boing.lha
  • Boing 26340 bytes, 27-Feb-07
  • boing.samples 24706 bytes, 27-Feb-07
  • Boing.info 234 bytes, 27-Feb-07
  • Double Speed
    • NTSC: 1.6s / 12+3 rows
    • PAL: 1.8s / 12+3 rows
• "First Demos" (Cloanto / Amiga Forever)
  • based on WB1.3
  • Boing 7684 bytes, 08-Jul-89, (crunched)
  • boing.samples 24706 bytes, 08-Jul-89
  • Boing.info 234 bytes, 12-Feb-04
  • Double Speed
    • NTSC: 1.6s / 12+3 rows
    • PAL: 1.9s / 12+3 rows
• "WorkbenchDemos/animations" (SCA) https://www.sca.ch/amiga/guests/boing.html
  • based on WB1.2 (1986, dirs dated 24-Dec-86, .info 03-Mar-88)
  • boing! 21872 bytes, 24-Dec-86
  • boing.samples 24706 bytes, 24-Dec-86
  • boing.info 234 bytes, 24-Dec-86
  • Slow
    • NTSC: 3.2s / 12+3 rows
    • PAL: 3.8s / 15+4 rows
• "Boing/Boing Demo"
  • Boing 7988 bytes, 08-Apr-96
  • Boing.Samples 24706 bytes, 08-Apr-96
  • Slow
  • Starts in foreground
    • NTSC: 3.4s / 12+3 rows
    • PAL: 3.8s / 15+4 rows

Details

• Starts / pauses on left click
• Grid is slightly offset to the right
• Ball bounces from left wall
• Ball bounces from right wall offset by shadow width

Features

• Multitasking
• Workbench fully performing in FB (hires 640x480 4colors)
• Boing ball starting on BG hidden Screen
• different Screen resolution in BG (lowres 320x240 32colors)
• limited use of CPU for just bounce angle calculation
• mostly relying on custom chips
• combination of H-&V-Scrolling of bitplanes and color-cycling

Industry

• Commordore introduced the 264 at same CES
• Apple Macintosh announced two weeks later 1984-01-22

Bouncing Ball Demos

• The Whirlwind Bouncing Ball 1950

1949–1950, Charley Adama created a “Bouncing Ball” program for MIT’s Whirlwind computer https://www.youtube.com/watch?v=KH0tcv3nEQI&t=659s

https://www.youtube.com/watch?v=d8SQQqyazKo https://www.retrogamedeconstructionzone.com/2021/07/the-whirlwind-bouncing-ball-simulator.html

• MOS Technology VIC demo (1978?)