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Alex Box acbox

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acbox / defender_high_scores.png
Last active April 1, 2024 20:05
Defender progress
defender_high_scores.png
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acbox / arcade1up_gravitar_slowdown.org
Last active July 27, 2023 17:01
Quantifying slow down of the game Gravitar on Arcade1up's "Atari Legacy Arcade Machine Centipede Edition" cabinet

Quantifying slow down of the game Gravitar on Arcade1up’s “Atari Legacy Arcade Machine Centipede Edition” cabinet

What is this about?

Gravitar on Arcade1up’s Centipede cabinet feels extremely slow compared to the original 1982 cabinet and MAME running on my 2019 MacBook Pro. I wanted to quantify exactly how much slower it is in order to log a support ticket with Arcade1up.

Methodology

The red planet in the first universe has a countdown timer called escape time:

@acbox
acbox / .spacemacs
Created May 12, 2020 10:33
Remove all #+RESULTS: blocks including from #+CALL: blocks in an org-babel file (Spacemacs)
(defun dotspacemacs/user-config ()
(defconst help/org-special-pre "^\s*#[+]")
(defun help/org-2every-src-block (fn)
"Visit every Source-Block and evaluate `FN’."
(interactive)
(save-excursion
(goto-char (point-min))
(let ((case-fold-search t))
(while (re-search-forward (concat help/org-special-pre "\\(BEGIN_SRC\\|CALL\\)") nil t)
(let ((element (org-element-at-point)))