Properly report MSU-1 revision in the status register

2017-10-12 15:59:33 -07:00 · 2017-10-12 15:59:33 -07:00 · fc224c0df7
parent a95d69c051
commit fc224c0df7
2 changed files with 4 additions and 3 deletions
--- a/msu1.cpp
+++ b/msu1.cpp
@ -464,7 +464,7 @@ uint8 S9xMSU1ReadPort(uint8 port)
 	switch (port)
 	{
 	case 0:
-		return MSU1.MSU1_STATUS;
+		return MSU1.MSU1_STATUS | MSU1_REVISION;
 	case 1:
    {
        if (MSU1.MSU1_STATUS & DataBusy)
--- a/msu1.h
+++ b/msu1.h
@ -194,6 +194,8 @@
 #define _MSU1_H_
 #include "snes9x.h"

+#define MSU1_REVISION 0x02
+
 struct SMSU1
 {
 	uint8	MSU1_STATUS;
@ -209,8 +211,7 @@ struct SMSU1
 };

 enum SMSU1_FLAG {
-	Revision		= 0x02,	//max: 0x07
-	AudioResume		= 0x04,
+	Revision		= 0x07,	// bitmask, not the actual version number
 	AudioError		= 0x08,
 	AudioPlaying		= 0x10,
 	AudioRepeating		= 0x20,