diff --git a/out/zx_ula.pof b/out/zx_ula.pof deleted file mode 100644 index 363fc5d..0000000 Binary files a/out/zx_ula.pof and /dev/null differ diff --git a/out/zx_ula_Y2=16MHz.pof b/out/zx_ula_Y2=16MHz.pof new file mode 100644 index 0000000..a11240a Binary files /dev/null and b/out/zx_ula_Y2=16MHz.pof differ diff --git a/out/zx_ula_Y2=28.375MHz.pof b/out/zx_ula_Y2=28.375MHz.pof new file mode 100644 index 0000000..ce397ea Binary files /dev/null and b/out/zx_ula_Y2=28.375MHz.pof differ