From ce21b8cd25cf832e5d8b4c16474c2b3b8f421d23 Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Mon, 26 Feb 2024 15:34:30 +0100
Subject: Set VF to 1, not some arbitrary N>0

---
 src/ahoy/emulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/ahoy/emulator.c b/src/ahoy/emulator.c
index c805fcd..63d3514 100644
--- a/src/ahoy/emulator.c
+++ b/src/ahoy/emulator.c
@@ -175,7 +175,7 @@ opexec(uint16_t op)
 			c8.V[x] = c8.V[y] - c8.V[x];
 			break;
 		case 0xE:
-			c8.V[0xF] = c8.V[x] & 0x80;
+			c8.V[0xF] = (bool)(c8.V[x] & 0x80);
 			c8.V[x] <<= 1;
 			break;
 		default:
-- 
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