From b84b48566905640d4602e505cade71bce1cb3b2c Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Fri, 12 Sep 2025 14:40:27 +0200
Subject: [PATCH] OneBus: use all eight bits of the IRQ reload value.

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

diff --git a/src/boards/onebus.c b/src/boards/onebus.c
index a124b33..534a749 100644
--- a/src/boards/onebus.c
+++ b/src/boards/onebus.c
@@ -230,7 +230,7 @@ static DECLFW(UNLOneBusWriteMMC3) {
 		break;
 	}
 	case 0xa000: mirror = V; Sync(); break;
-	case 0xc000: IRQLatch = V & 0xfe; break;
+	case 0xc000: IRQLatch = V; break;
 	case 0xc001: IRQReload = 1; break;
 	case 0xe000: X6502_IRQEnd(FCEU_IQEXT); IRQa = 0; break;
 	case 0xe001: IRQa = 1; break;