From 4b97c29d400cee6cd2a9a7fa0c519cd7f184748c Mon Sep 17 00:00:00 2001
From: codefrog2002 <36536480+codefrog2002@users.noreply.github.com>
Date: Fri, 17 Nov 2023 00:22:12 -0800
Subject: tms32025 neg instruction accidentally modifies the wrong status
 register - C_FLG is in ST1, not in ST0. Calling CLR0(C_FLG) or SET0(C_FLG)
 accidentally modifies ST0's INTM bit instead of ST1's C bit. (#11752)

---
 src/devices/cpu/tms32025/tms32025.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/devices/cpu/tms32025/tms32025.cpp b/src/devices/cpu/tms32025/tms32025.cpp
index 86dbb05e48a..028c3e11f01 100644
--- a/src/devices/cpu/tms32025/tms32025.cpp
+++ b/src/devices/cpu/tms32025/tms32025.cpp
@@ -1178,8 +1178,8 @@ void tms32025_device::neg()
 		if (OVM) m_ACC.d = 0x7fffffff;
 	}
 	else m_ACC.d = -m_ACC.d;
-	if (m_ACC.d) CLR0(C_FLAG);
-	else SET0(C_FLAG);
+	if (m_ACC.d) CLR1(C_FLAG);
+	else SET1(C_FLAG);
 }
 /*
 void tms32025_device::nop() { }   // NOP is a subset of the MAR instruction
-- 
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