apply a facelift

1 files changed, 170 insertions, 164 deletions

diff --git a/source/seta018.c b/source/seta018.c
index 75b02b2..33a1bb1 100644
--- a/source/seta018.c
+++ b/source/seta018.c
@@ -1,6 +1,6 @@
 /*******************************************************************************
   Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
- 
+
   (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
                             Jerremy Koot (jkoot@snes9x.com)
 
@@ -43,46 +43,46 @@
   S-DD1 C emulator code
   (c) Copyright 2003 Brad Jorsch with research by
                      Andreas Naive and John Weidman
- 
+
   S-RTC C emulator code
   (c) Copyright 2001 John Weidman
-  
+
   ST010 C++ emulator code
   (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
 
-  Super FX x86 assembler emulator code 
-  (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault 
+  Super FX x86 assembler emulator code
+  (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
 
-  Super FX C emulator code 
+  Super FX C emulator code
   (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
 
 
   SH assembler code partly based on x86 assembler code
-  (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) 
+  (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
+
 
- 
   Specific ports contains the works of other authors. See headers in
   individual files.
- 
+
   Snes9x homepage: http://www.snes9x.com
- 
+
   Permission to use, copy, modify and distribute Snes9x in both binary and
   source form, for non-commercial purposes, is hereby granted without fee,
   providing that this license information and copyright notice appear with
   all copies and any derived work.
- 
+
   This software is provided 'as-is', without any express or implied
   warranty. In no event shall the authors be held liable for any damages
   arising from the use of this software.
- 
+
   Snes9x is freeware for PERSONAL USE only. Commercial users should
   seek permission of the copyright holders first. Commercial use includes
   charging money for Snes9x or software derived from Snes9x.
- 
+
   The copyright holders request that bug fixes and improvements to the code
   should be forwarded to them so everyone can benefit from the modifications
   in future versions.
- 
+
   Super NES and Super Nintendo Entertainment System are trademarks of
   Nintendo Co., Limited and its subsidiary companies.
 *******************************************************************************/
@@ -91,162 +91,168 @@
 
 ST018_Regs ST018;
 
-static int line;	// line counter
+static int line;  // line counter
 
 uint8 S9xGetST018(uint32 Address)
 {
-	uint8 t = 0; // Initialise to some value for the compiler
-	uint16 address = (uint16) Address & 0xFFFF;
-
-	line++;
-
-	// these roles may be flipped
-	// op output
-	if (address == 0x3804)
-	{
-		if (ST018.out_count)
-		{
-			t = (uint8) ST018.output [ST018.out_index];
-			ST018.out_index++;
-			if (ST018.out_count==ST018.out_index)
-				ST018.out_count=0;
-		}
-		else
-			t = 0x81;
-	}
-	// status register
-	else if (address == 0x3800)
-		t = ST018.status;
-	
-	printf( "ST018 R: %06X %02X\n", Address, t);
-
-	return t;
+   uint8 t = 0; // Initialise to some value for the compiler
+   uint16 address = (uint16) Address & 0xFFFF;
+
+   line++;
+
+   // these roles may be flipped
+   // op output
+   if (address == 0x3804)
+   {
+      if (ST018.out_count)
+      {
+         t = (uint8) ST018.output [ST018.out_index];
+         ST018.out_index++;
+         if (ST018.out_count == ST018.out_index)
+            ST018.out_count = 0;
+      }
+      else
+         t = 0x81;
+   }
+   // status register
+   else if (address == 0x3800)
+      t = ST018.status;
+
+   printf("ST018 R: %06X %02X\n", Address, t);
+
+   return t;
 }
 
 void S9xSetST018(uint8 Byte, uint32 Address)
 {
-	uint16 address = (uint16) Address&0xFFFF;
-	static bool reset = false;
-
-	printf( "ST018 W: %06X %02X\n", Address, Byte );
-
-	line++;
-
-	if (!reset)
-	{
-		// bootup values
-		ST018.waiting4command = true;
-		ST018.part_command = 0;
-		reset = true;
-	}
-
-	Memory.SRAM[address]=Byte;
-
-	// default status for now
-	ST018.status = 0x00;
-
-	// op data goes through this address
-	if (address==0x3804)
-	{
-		// check for new commands: 3 bytes length
-		if(ST018.waiting4command && ST018.part_command==2)
-		{
-			ST018.waiting4command = false;
-			ST018.command <<= 8;
-			ST018.command |= Byte;
-			ST018.in_index = 0;
-			ST018.out_index = 0;
-			ST018.part_command = 0;	// 3-byte commands
-			ST018.pass = 0;	// data streams into the chip
-			switch(ST018.command & 0xFFFFFF)
-			{
-			case 0x0100: ST018.in_count = 0; break;
-			case 0xFF00: ST018.in_count = 0; break;
-			default: ST018.waiting4command = true; break;
-			}
-		}
-		else if(ST018.waiting4command)
-		{
-			// 3-byte commands
-			ST018.part_command++;
-			ST018.command <<= 8;
-			ST018.command |= Byte;
-		}
-	}
-	// extra parameters
-	else if (address==0x3802)
-	{
-		ST018.parameters[ST018.in_index] = Byte;
-		ST018.in_index++;
-	}
-
-	if (ST018.in_count==ST018.in_index)
-	{
-		// Actually execute the command
-		ST018.waiting4command = true;
-		ST018.in_index = 0;
-		ST018.out_index = 0;
-		switch (ST018.command)
-		{
-		// hardware check?
-		case 0x0100:
-			ST018.waiting4command = false;
-			ST018.pass++;
-			if (ST018.pass==1)
-			{
-				ST018.in_count = 1;
-				ST018.out_count = 2;
-
-				// Overload's research
-				ST018.output[0x00] = 0x81;
-				ST018.output[0x01] = 0x81;
-			}
-			else
-			{
-				//ST018.in_count = 1;
-				ST018.out_count = 3;
-
-				// no reason to change this
-				//ST018.output[0x00] = 0x81;
-				//ST018.output[0x01] = 0x81;
-				ST018.output[0x02] = 0x81;
-
-				// done processing requests
-				if (ST018.pass==3)
-					ST018.waiting4command = true;
-			}
-			break;
-
-		// unknown: feels like a security detection
-		// format identical to 0x0100
-		case 0xFF00:
-			ST018.waiting4command = false;
-			ST018.pass++;
-			if (ST018.pass==1)
-			{
-				ST018.in_count = 1;
-				ST018.out_count = 2;
-
-				// Overload's research
-				ST018.output[0x00] = 0x81;
-				ST018.output[0x01] = 0x81;
-			}
-			else
-			{
-				//ST018.in_count = 1;
-				ST018.out_count = 3;
-
-				// no reason to change this
-				//ST018.output[0x00] = 0x81;
-				//ST018.output[0x01] = 0x81;
-				ST018.output[0x02] = 0x81;
-
-				// done processing requests
-				if (ST018.pass==3)
-					ST018.waiting4command = true;
-			}
-			break;
-		}
-	}
+   uint16 address = (uint16) Address & 0xFFFF;
+   static bool reset = false;
+
+   printf("ST018 W: %06X %02X\n", Address, Byte);
+
+   line++;
+
+   if (!reset)
+   {
+      // bootup values
+      ST018.waiting4command = true;
+      ST018.part_command = 0;
+      reset = true;
+   }
+
+   Memory.SRAM[address] = Byte;
+
+   // default status for now
+   ST018.status = 0x00;
+
+   // op data goes through this address
+   if (address == 0x3804)
+   {
+      // check for new commands: 3 bytes length
+      if (ST018.waiting4command && ST018.part_command == 2)
+      {
+         ST018.waiting4command = false;
+         ST018.command <<= 8;
+         ST018.command |= Byte;
+         ST018.in_index = 0;
+         ST018.out_index = 0;
+         ST018.part_command = 0; // 3-byte commands
+         ST018.pass = 0;   // data streams into the chip
+         switch (ST018.command & 0xFFFFFF)
+         {
+         case 0x0100:
+            ST018.in_count = 0;
+            break;
+         case 0xFF00:
+            ST018.in_count = 0;
+            break;
+         default:
+            ST018.waiting4command = true;
+            break;
+         }
+      }
+      else if (ST018.waiting4command)
+      {
+         // 3-byte commands
+         ST018.part_command++;
+         ST018.command <<= 8;
+         ST018.command |= Byte;
+      }
+   }
+   // extra parameters
+   else if (address == 0x3802)
+   {
+      ST018.parameters[ST018.in_index] = Byte;
+      ST018.in_index++;
+   }
+
+   if (ST018.in_count == ST018.in_index)
+   {
+      // Actually execute the command
+      ST018.waiting4command = true;
+      ST018.in_index = 0;
+      ST018.out_index = 0;
+      switch (ST018.command)
+      {
+      // hardware check?
+      case 0x0100:
+         ST018.waiting4command = false;
+         ST018.pass++;
+         if (ST018.pass == 1)
+         {
+            ST018.in_count = 1;
+            ST018.out_count = 2;
+
+            // Overload's research
+            ST018.output[0x00] = 0x81;
+            ST018.output[0x01] = 0x81;
+         }
+         else
+         {
+            //ST018.in_count = 1;
+            ST018.out_count = 3;
+
+            // no reason to change this
+            //ST018.output[0x00] = 0x81;
+            //ST018.output[0x01] = 0x81;
+            ST018.output[0x02] = 0x81;
+
+            // done processing requests
+            if (ST018.pass == 3)
+               ST018.waiting4command = true;
+         }
+         break;
+
+      // unknown: feels like a security detection
+      // format identical to 0x0100
+      case 0xFF00:
+         ST018.waiting4command = false;
+         ST018.pass++;
+         if (ST018.pass == 1)
+         {
+            ST018.in_count = 1;
+            ST018.out_count = 2;
+
+            // Overload's research
+            ST018.output[0x00] = 0x81;
+            ST018.output[0x01] = 0x81;
+         }
+         else
+         {
+            //ST018.in_count = 1;
+            ST018.out_count = 3;
+
+            // no reason to change this
+            //ST018.output[0x00] = 0x81;
+            //ST018.output[0x01] = 0x81;
+            ST018.output[0x02] = 0x81;
+
+            // done processing requests
+            if (ST018.pass == 3)
+               ST018.waiting4command = true;
+         }
+         break;
+      }
+   }
 }