X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=723617989b1d06f80c070aab8fbe6a902e68fb4a;hb=4e70ea5a634f0568c6cb40ff945fb6c3150665df;hp=5b53e99d83fca91ad3dca28f1b91d286909697c7;hpb=6360a61b062aeb1352c80dddcae611228207f5b5;p=pcsx_rearmed.git

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 5b53e99d..72361798 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -58,12 +58,12 @@ static unsigned char *pTransfer;
 #define CdlStandby     7
 #define CdlStop        8
 #define CdlPause       9
-#define CdlInit        10
+#define CdlReset       10
 #define CdlMute        11
 #define CdlDemute      12
 #define CdlSetfilter   13
 #define CdlSetmode     14
-#define CdlGetmode     15
+#define CdlGetparam    15
 #define CdlGetlocL     16
 #define CdlGetlocP     17
 #define CdlReadT       18
@@ -76,19 +76,19 @@ static unsigned char *pTransfer;
 #define CdlTest        25
 #define CdlID          26
 #define CdlReadS       27
-#define CdlReset       28
+#define CdlInit        28
 #define CdlGetQ        29
 #define CdlReadToc     30
 
 char *CmdName[0x100]= {
     "CdlSync",     "CdlNop",       "CdlSetloc",  "CdlPlay",
     "CdlForward",  "CdlBackward",  "CdlReadN",   "CdlStandby",
-    "CdlStop",     "CdlPause",     "CdlInit",    "CdlMute",
-    "CdlDemute",   "CdlSetfilter", "CdlSetmode", "CdlGetmode",
+    "CdlStop",     "CdlPause",     "CdlReset",    "CdlMute",
+    "CdlDemute",   "CdlSetfilter", "CdlSetmode", "CdlGetparam",
     "CdlGetlocL",  "CdlGetlocP",   "CdlReadT",   "CdlGetTN",
     "CdlGetTD",    "CdlSeekL",     "CdlSeekP",   "CdlSetclock",
     "CdlGetclock", "CdlTest",      "CdlID",      "CdlReadS",
-    "CdlReset",    NULL,           "CDlReadToc", NULL
+    "CdlInit",     NULL,           "CDlReadToc", NULL
 };
 
 unsigned char Test04[] = { 0 };
@@ -722,7 +722,21 @@ void cdrInterrupt() {
 			InuYasha - Feudal Fairy Tale: slower
 			- Fixes battles
 			*/
-			AddIrqQueue(CdlPause + 0x100, cdReadTime * 3);
+			/* Gameblabla - Tightening the timings (as taken from Duckstation). 
+			 * The timings from Duckstation are based upon hardware tests.
+			 * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode,
+			 * seems to be timing sensitive as it can depend on the CPU's clock speed.
+			 * */
+			if (cdr.DriveState != DRIVESTATE_STANDBY)
+			{
+				delay = 7000;
+			}
+			else
+			{
+				delay = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * (1000000));
+				CDRMISC_INT((cdr.Mode & MODE_SPEED) ? cdReadTime / 2 : cdReadTime);
+			}
+			AddIrqQueue(CdlPause + 0x100, delay);
 			cdr.Ctrl |= 0x80;
 			break;
 
@@ -732,13 +746,15 @@ void cdrInterrupt() {
 			cdr.Stat = Complete;
 			break;
 
-		case CdlInit:
-			AddIrqQueue(CdlInit + 0x100, cdReadTime * 6);
+		case CdlReset:
+			cdr.Muted = FALSE;
+			cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */
+			AddIrqQueue(CdlReset + 0x100, 4100000);
 			no_busy_error = 1;
 			start_rotating = 1;
 			break;
 
-		case CdlInit + 0x100:
+		case CdlReset + 0x100:
 			cdr.Stat = Complete;
 			break;
 
@@ -759,13 +775,13 @@ void cdrInterrupt() {
 			no_busy_error = 1;
 			break;
 
-		case CdlGetmode:
-			SetResultSize(6);
+		case CdlGetparam:
+			/* Gameblabla : According to mednafen, Result size should be 5 and done this way. */
+			SetResultSize(5);
 			cdr.Result[1] = cdr.Mode;
-			cdr.Result[2] = cdr.File;
-			cdr.Result[3] = cdr.Channel;
-			cdr.Result[4] = 0;
-			cdr.Result[5] = 0;
+			cdr.Result[2] = 0;
+			cdr.Result[3] = cdr.File;
+			cdr.Result[4] = cdr.Channel;
 			no_busy_error = 1;
 			break;
 
@@ -815,7 +831,9 @@ void cdrInterrupt() {
 				cdr.Result[0] = cdr.StatP;
 				cdr.Result[1] = itob(cdr.ResultTD[2]);
 				cdr.Result[2] = itob(cdr.ResultTD[1]);
-				cdr.Result[3] = itob(cdr.ResultTD[0]);
+				/* According to Nocash's documentation, the function doesn't care about ff.
+				 * This can be seen also in Mednafen's implementation. */
+				//cdr.Result[3] = itob(cdr.ResultTD[0]);
 			}
 			break;
 
@@ -888,7 +906,7 @@ void cdrInterrupt() {
 			cdr.Stat = Complete;
 			break;
 
-		case CdlReset:
+		case CdlInit:
 			// yes, it really sets STATUS_SHELLOPEN
 			cdr.StatP |= STATUS_SHELLOPEN;
 			cdr.DriveState = DRIVESTATE_RESCAN_CD;
@@ -1284,8 +1302,8 @@ void cdrWrite1(unsigned char rt) {
 		StopReading();
 		break;
 
-	case CdlReset:
 	case CdlInit:
+	case CdlReset:
 		cdr.Seeked = SEEK_DONE;
 		StopCdda();
 		StopReading();