lzw-hptdemo
YouTube:
happy party three demo is a ZX Spectrum 128K production, done by LZW group and first shown at the happy party three (an online visual art show). The source code is presented mostly for archival purposes - due to being my first attempt at coding something bigger in Z80 assembly, the code is mostly a mess and probably not good for anyone to use as a reference.
Credits
- wermi - programming, design
- Zlew - music
- Loni - graphics, animation
3rd party assets
- Enter Command font from fontenddev.com (CC BY 4.0)
- VTII PT3 player from http://bulba.untergrund.net/VT1.0beta19Plus.src.7z
- 8b*8b multiplication adapted from https://www.cpcwiki.eu/index.php/Programming:Integer_Multiplication#Fastest.2C_accurate_8bit_.2A_8bit_Unsigned_with_16_KB_tables
- aPLib decompressor from https://www.cpcwiki.eu/forum/programming/quick-update-on-the-state-of-the-art-compression-using-aplib/
- screen LUT generation routine from https://chuntey.wordpress.com/2010/03/22/sprite-graphics-tutorial/
The repository also includes executables for following software:
- sjasmplus - https://github.com/z00m128/sjasmplus
- apultra - https://github.com/emmanuel-marty/apultra
- oapack - https://gitlab.com/eugene77/oapack
Building
Windows
Run make.bat.
Linux/macOS/others
Build/install sjasmplus, then run sjasmplus prog.asm --sld --fullpath.
TODO
- verify real hardware compatibility
- add compression of main demo data for reduced size