objects/oKeyConfig/keypress_anykey.gml
From spelunky.gmk, Spelunky Classic 1.1's source, © 2008, 2009 Derek Yu and Mossmouth, LLC, shown whole under the Spelunky User License v1.1b. Extracted by spelunky.ai's tools, an unofficial fan project, one file per script or event; the // ==== lines are the extractor's, naming each action of the event. Some scripts are others' work that Derek Yu credits in the source's readme.txt: Martin Piecyk's platform engine, ChevyRay's view scaling scripts and tsg1zzn's Super Sound System.
oKeyConfig's keypress anykey event, 54 lines of GML.
if (keyboard_key != vk_escape){if (status == 0){ global.keyUpVal = keyboard_key;}else if (status == 1){ global.keyDownVal = keyboard_key;}else if (status == 2){ global.keyLeftVal = keyboard_key;}else if (status == 3){ global.keyRightVal = keyboard_key;}else if (status == 4){ global.keyJumpVal = keyboard_key;}else if (status == 5){ global.keyAttackVal = keyboard_key;}else if (status == 6){ global.keyItemVal = keyboard_key;}else if (status == 7){ global.keyRunVal = keyboard_key;}else if (status == 8){ global.keyBombVal = keyboard_key;}else if (status == 9){ global.keyRopeVal = keyboard_key;}else if (status == 10){ global.keyFlareVal = keyboard_key;}else if (status == 11){ global.keyPayVal = keyboard_key;}}status += 1;if (status > 11) room_goto(rInit);