tests: Add hamilton

The images are generated by forming a Hamiltonian cycle through the pixel
locations on the canvas, and another Hamiltonian cycle through the RGB
values within the color cube. These cycles are traversed simultaneously
to produce an extraordinarily smooth output image.

Source: https://github.com/mnurzia/hamrgb

Author: jserv

README.md

@@ -275,6 +275,7 @@ In `rv32emu` repository, there are some prebuilt ELF files for testing purpose.
 * `donut.elf` : See [donut](tests/donut.c)
 * `doom.elf` : See [sysprog21/doom_riscv](https://github.com/sysprog21/doom_riscv) [RV32M]
 * `fcalc.elf` : See [fcalc](tests/fcalc.c)
+* `hamilton.elf` : See [hamilton](tests/hamilton.c)
 * `ieee754.elf` : See [tests/ieee754.c](tests/ieee754.c) [RV32F]
 * `jit-bf.elf` : See [ezaki-k/xkon_beta](https://github.com/ezaki-k/xkon_beta)
 * `lena.elf`: See [tests/lena.c](tests/lena.c)