X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=cpu%2Ffame%2Ffamec_opcodes.h;h=551d7571c3f3a7355c233a4394c33f9ac205e84b;hb=fcf94fcc20e7bdd527a28fe8e1b265862b616016;hp=ecbc056eaddf7f892601b3e2e85c517d0a21e3bc;hpb=8187ba84b7ed56e2535a8381ac66fb5b32414b39;p=picodrive.git

diff --git a/cpu/fame/famec_opcodes.h b/cpu/fame/famec_opcodes.h
index ecbc056..551d757 100644
--- a/cpu/fame/famec_opcodes.h
+++ b/cpu/fame/famec_opcodes.h
@@ -19263,8 +19263,7 @@ OPCODE(0x4E72)
 		ASP = res;
 	}
 	m68kcontext.execinfo |= FM68K_HALTED;
-	m68kcontext.io_cycle_counter = 0;
-RET(4)
+RET0()
 }
 
 // RTE
@@ -39984,8 +39983,7 @@ OPCODE(0x6001_idle)
 	PC += ((s8)(Opcode & 0xFE)) >> 1;
 #endif
 	UPDATE_IDLE_COUNT
-	m68kcontext.io_cycle_counter = 10;
-RET(10)
+RET0()
 }
 
 // BCC
@@ -39995,7 +39993,8 @@ OPCODE(0x6601_idle)
 	{
 		UPDATE_IDLE_COUNT
 		PC += ((s8)(Opcode & 0xFE)) >> 1;
-		m68kcontext.io_cycle_counter = 8;
+		//if (idle_hit)
+		RET0()
 	}
 RET(8)
 }
@@ -40006,14 +40005,15 @@ OPCODE(0x6701_idle)
 	{
 		UPDATE_IDLE_COUNT
 		PC += ((s8)(Opcode & 0xFE)) >> 1;
-		m68kcontext.io_cycle_counter = 8;
+		//if (idle_hit)
+		RET0()
 	}
 RET(8)
 }
 
 
 extern int SekIsIdleCode(unsigned short *dst, int bytes);
-extern int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop);
+extern int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx);
 
 OPCODE(idle_detector_bcc8)
 {
@@ -40032,18 +40032,22 @@ OPCODE(idle_detector_bcc8)
 	ret = SekIsIdleCode(dest_pc, bytes);
 	newop = (Opcode & 0xfe) | 0x7100;
 	if (!ret) newop |= 0x200;
-	if (Opcode & 0x0100) newop |= 0x400; // beq
+	if (  Opcode & 0x0100)  newop |= 0x400; // beq
+	if (!(Opcode & 0x0f00)) newop |= 0xc00; // bra
 
-	ret = SekRegisterIdlePatch(GET_PC - 2, Opcode, newop);
+	ret = SekRegisterIdlePatch(GET_PC - 2, Opcode, newop, &m68kcontext);
 	switch (ret)
 	{
 		case 0: PC[-1] = newop; break;
 		case 1: break;
-		case 2: JumpTable[Opcode] = (Opcode & 0x0100) ? CAST_OP(0x6701) : CAST_OP(0x6601); break;
+		case 2: JumpTable[Opcode] = (Opcode & 0x0f00) ?
+				((Opcode & 0x0100) ? CAST_OP(0x6701) : CAST_OP(0x6601)) :
+				CAST_OP(0x6001); break;
 	}
 
 end:
-	cond_true = (Opcode & 0x0100) ? !flag_NotZ : flag_NotZ; // beq?
+	if ((Opcode & 0xff00) == 0x6000) cond_true = 1;
+	else cond_true = (Opcode & 0x0100) ? !flag_NotZ : flag_NotZ; // beq?
 	if (cond_true)
 	{
 		PC = dest_pc;
@@ -40052,14 +40056,4 @@ end:
 RET(8)
 }
 
-OPCODE(idle_detector_dead)
-{
-	// patch without further questions
-	int newop = 0x7d00 | (Opcode & 0xff);
-	PC[-1] = newop;
-	SekRegisterIdlePatch(GET_PC - 2, Opcode, newop);
-
-	PC += ((s8)(Opcode & 0xFE)) >> 1;
-RET(10)
-}
 #endif // PICODRIVE_HACK