mdec: timing hacks

#846

libpcsxcore/database.c

@@ -145,14 +145,16 @@ cycle_multiplier_overrides[] =
 	/* Syphon Filter - reportedly hangs under unknown conditions */
 	{ 169, { "SCUS94240" } },
 	/* Psychic Detective - some weird race condition in the game's cdrom code */
-	{ 222, { "SLUS00165", "SLUS00166", "SLUS00167" } },
-	{ 222, { "SLES00070", "SLES10070", "SLES20070" } },
+	{ 200, { "SLUS00165", "SLUS00166", "SLUS00167" } },
+	{ 200, { "SLES00070", "SLES10070", "SLES20070" } },
 	/* Vib-Ribbon - cd timing issues (PAL+ari64drc only?) */
 	{ 200, { "SCES02873" } },
 	/* Zero Divide - sometimes too fast */
 	{ 200, { "SLUS00183", "SLES00159", "SLPS00083", "SLPM80008" } },
 	/* Eagle One: Harrier Attack - hangs (but not in standalone build?) */
 	{ 153, { "SLUS00943" } },
+	/* Sol Divide: FMV timing */
+	{ 200, { "SLUS01519", "SCPS45260", "SLPS01463" } },
 };
 
 /* Function for automatic patching according to GameID. */

libpcsxcore/mdec.c

@@ -34,10 +34,12 @@
  */
 
 /*
- * >= 10 for Galerians
+ * >= 14 for Sol Divide
  * <= 18 for "Disney's Treasure Planet"
+ * Psychic Detective may break on *any* change
  */
-#define MDEC_BIAS 10
+#define MDEC_BIAS 14
+#define MDEC_DELAY 1024
 
 #define DSIZE			8
 #define DSIZE2			(DSIZE * DSIZE)
@@ -654,9 +656,9 @@ void psxDma1(u32 adr, u32 bcr, u32 chcr) {
 		log_unhandled("mdec: bork\n");
 
 	/* define the power of mdec */
-	set_event(PSXINT_MDECOUTDMA, words * MDEC_BIAS);
+	set_event(PSXINT_MDECOUTDMA, words * MDEC_BIAS + MDEC_DELAY);
 	/* some CPU stalling */
-	psxRegs.cycle += words;
+	psxRegs.cycle += words * MDEC_BIAS / 4;
 }
 
 void mdec1Interrupt() {