The STATUS_REGISTER should return the actual status HI (Overflow) and LO (underflow) watermark because this register can be polled by the game.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6508 8ced0084-cf51-0410-be5f-012b33b47a6e

1 files changed, 3 insertions, 2 deletions

diff --git a/Source/Core/VideoCommon/Src/CommandProcessor.cpp b/Source/Core/VideoCommon/Src/CommandProcessor.cpp
index cc683a362a..a835dc4b53 100644
--- a/Source/Core/VideoCommon/Src/CommandProcessor.cpp
+++ b/Source/Core/VideoCommon/Src/CommandProcessor.cpp
@@ -185,8 +185,9 @@ void Read16(u16& _rReturnValue, const u32 _Address)
 		m_CPStatusReg.Breakpoint = fifo.bFF_Breakpoint;
 		m_CPStatusReg.ReadIdle = !fifo.CPReadWriteDistance || !fifo.bFF_GPReadEnable;
 		m_CPStatusReg.CommandIdle = fifo.CPCmdIdle;
-		m_CPStatusReg.UnderflowLoWatermark = fifo.CPReadIdle;
-
+		m_CPStatusReg.UnderflowLoWatermark = (fifo.CPReadWriteDistance <= fifo.CPLoWatermark);
+		m_CPStatusReg.OverflowHiWatermark = (fifo.CPReadWriteDistance >= fifo.CPHiWatermark);
+		
 		// hack: CPU will always believe fifo is empty and on idle
 		//m_CPStatusReg.ReadIdle = 1;
 		//m_CPStatusReg.CommandIdle = 1;