Speeding up ZX Life graphics by leaning on attribute memory.
Micro Optimisation - A Trick Of The Light
Micro Optimisation
Micro Optimisation - Beyond Structured Programming
Pushing past straight C-to-assembly translations for faster Z80 code.
Micro Optimisation - Lessons Learned
Looking back on replacing the C code with Z80 assembly.
Micro Optimisation - To ROM Then Not To ROM
Replacing the screen library and weighing ROM vs custom rendering.
Micro Optimisation - Replacing our own C Library with Z80 Assembly
Swapping a C grid library for Z80 assembly without rewriting everything.
Micro Optimisation - Calling Z80 Assembly from C on the ZX Spectrum
Calling handwritten Z80 from C with z88dk on the ZX Spectrum.