visitor's guide to the solar system: a ZX Spectrum graphic demo in 32 bytes
Presented at Lovebyte 2021, a demo party devoted to creating things in very small file sizes. This slideshow of planets is generated entirely in 32 bytes of code running on a ZX Spectrum computer.
Download: http://files.zxdemo.org/gasman/speccy...
Demozoo: https://demozoo.org/productions/291260/
Pouet: https://www.pouet.net/prod.php?which=...
Source code:
org 0x8000
CALC_CONST equ 0x34
CALC_DUP equ 0x31
CALC_END_CALC equ 0x38
call 3435
loop
ld a,r
ld (iy+0x55),a
inc (iy+0x57)
ld bc,27*256+60
call 0x22e5
rst 0x28
db CALC_CONST, 0x37, 0x70
db CALC_DUP
db CALC_CONST, 0x7a, 0x46, 0xb5
db CALC_END_CALC
call 0x2394
jr loop