From c63dd5552de35b96640cfe64175f13cca05516e1 Mon Sep 17 00:00:00 2001
From: Fabio Cavallo <punes.development@gmail.com>
Date: Tue, 17 Oct 2023 14:39:18 +0200
Subject: [PATCH] Fixed the management of UP+DOWN and LEFT+RIGHT (#317).

---
 src/core/input/standard_controller.c | 24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)

diff --git a/src/core/input/standard_controller.c b/src/core/input/standard_controller.c
index 39a872380..65d5284d5 100644
--- a/src/core/input/standard_controller.c
+++ b/src/core/input/standard_controller.c
@@ -105,32 +105,16 @@ BYTE input_decode_event_standard_controller(BYTE mode, UNUSED(BYTE autorepeat),
 		(*start) = mode;
 		return (EXIT_OK);
 	} else if (event == prt->input[type][UP]) {
-		(*up) = mode;
-		// non possono essere premuti contemporaneamente
-		if (!cfg->input.permit_updown_leftright && (mode == PRESSED)) {
-			(*down) = RELEASED;
-		}
+		(*up) = ((*down) == PRESSED) && !cfg->input.permit_updown_leftright ? RELEASED : mode;
 		return (EXIT_OK);
 	} else if (event == prt->input[type][DOWN]) {
-		(*down) = mode;
-		// non possono essere premuti contemporaneamente
-		if (!cfg->input.permit_updown_leftright && (mode == PRESSED)) {
-			(*up) = RELEASED;
-		}
+		(*down) = ((*up) == PRESSED) && !cfg->input.permit_updown_leftright ? RELEASED : mode;
 		return (EXIT_OK);
 	} else if (event == prt->input[type][LEFT]) {
-		(*left) = mode;
-		// non possono essere premuti contemporaneamente
-		if (!cfg->input.permit_updown_leftright && (mode == PRESSED)) {
-			(*right) = RELEASED;
-		}
+		(*left) = ((*right) == PRESSED) && !cfg->input.permit_updown_leftright ? RELEASED : mode;
 		return (EXIT_OK);
 	} else if (event == prt->input[type][RIGHT]) {
-		(*right) = mode;
-		// non possono essere premuti contemporaneamente
-		if (!cfg->input.permit_updown_leftright && (mode == PRESSED)) {
-			(*left) = RELEASED;
-		}
+		(*right) = ((*left) == PRESSED) && !cfg->input.permit_updown_leftright ? RELEASED : mode;
 		return (EXIT_OK);
 	} else if (event == prt->input[type][TRB_A]) {
 		prt->turbo[TURBOA].mode = mode;