Bonus: Demoscene

Demoscene

Demos are things that happen when a group of AI geeks sit together and make something spectacular
originates in 80's (audio loops, C64 cracktro, MS-DOS demos)
mainly a European phenomenon, part of UNESCO in Finland as of 2020
Demoparty - an event that gathers demosceners and other enthusiasts
Competitions: Demo, 64K intro (reintroduced in 2017), 4K/8K intro, Short film

Demoscene

Second Reality

1993

FR-08 64K

2000

Kkrieger 96K

2004

Timeless 64K

2012

Instant God

2016

Phobos 8K

2018

Example: Tube

256B MS-DOS binary file

   1  PAL2    mov al,0
   2          out dx,al
   3          jns PAL3
   4          sub al,cl
   5          shr al,1
   6          out dx,al
   7          shr al,1
   8          out dx,al
   9  PAL3    mov bx,cx
  10          mov [fs:bx],bl
  11          loop    PAL1
  12   
  13  TEX     mov bx,cx
  14          add ax,cx
  15          rol ax,cl
  16          mov dh,al
  17          sar dh,5
  18          adc dl,dh
  19          adc dl,[fs:bx+255]
  20

LINK

1	PAL2 mov al,0
2	out dx,al
3	jns PAL3
4	sub al,cl
5	shr al,1
6	out dx,al
7	shr al,1
8	out dx,al
9	PAL3 mov bx,cx
10	mov [fs:bx],bl
11	loop PAL1
12
13	TEX mov bx,cx
14	add ax,cx
15	rol ax,cl
16	mov dh,al
17	sar dh,5
18	adc dl,dh
19	adc dl,[fs:bx+255]
20