added provisions for usbgecko debugging

Makefile.wii

@@ -33,6 +33,7 @@ CFLAGS	=	-g -O3 -Wall $(MACHDEP) $(INCLUDE) \
 			-DCORRECT_VRAM_READS -DNEW_COLOUR_BLENDING \
 			-D_SZ_ONE_DIRECTORY -D_LZMA_IN_CB -D_LZMA_OUT_READ \
 			-fomit-frame-pointer -fno-exceptions -Wno-unused-parameter \
+			-DDEBUG_WII \
 			#-D_DEBUG_VIDEO -pipe
 CXXFLAGS	=	-save-temps -Xassembler -aln=$@.lst $(CFLAGS)
 
@@ -41,7 +42,7 @@ LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with the project
 #---------------------------------------------------------------------------------
-LIBS	:=	-ldi -lpngu -lpng -lmxml -lfat -lwiiuse -lz -lbte -logc -lm -lfreetype -ltinysmb
+LIBS	:=	-ldb -ldi -lpngu -lpng -lmxml -lfat -lwiiuse -lz -lbte -logc -lm -lfreetype -ltinysmb
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing

source/ngc/audio.cpp

@@ -17,7 +17,7 @@
 
 #include "snes9x.h"
 #include "memmap.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "cpuexec.h"
 #include "ppu.h"
 #include "apu.h"

source/ngc/filesel.cpp

@@ -220,6 +220,10 @@ bool MakeFilePath(char filepath[], int type, int method)
 				sprintf(folder, appPath);
 				sprintf(file, "%s", PREF_FILE_NAME);
 				break;
+			case FILE_SCREEN:
+				sprintf(folder, GCSettings.SaveFolder);	// screenshot dir?
+				sprintf(file, "%s.png", Memory.ROMFilename);
+				break;
 		}
 		switch(method)
 		{

source/ngc/input.cpp

@@ -500,6 +500,14 @@ void decodepad (int pad)
 		S9xReportPointer(offset + pad, (u16) cursor_x[3 + pad],
 				(u16) cursor_y[3 + pad]);
 	}
+	
+#ifdef HW_RVL
+	// screenshot (temp)
+	if (wp & CLASSIC_CTRL_BUTTON_ZR)
+		S9xReportButton(0x90, true);
+	else
+		S9xReportButton(0x90, false);
+#endif
 }
 
 /****************************************************************************
@@ -700,6 +708,9 @@ void SetDefaultButtonMap ()
   S9xMapPointer( maxcode++, S9xGetCommandT("Pointer Mouse2"), false);
   S9xMapPointer( maxcode++, S9xGetCommandT("Pointer Justifier1"), false);
   S9xMapPointer( maxcode++, S9xGetCommandT("Pointer Justifier2"), false);
+  
+  maxcode = 0x90;
+  ASSIGN_BUTTON_FALSE (maxcode++, "Screenshot");
 
   SetControllers ();
 

source/ngc/menu.cpp

@@ -26,7 +26,7 @@ extern "C" {
 
 #include "snes9x.h"
 #include "memmap.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "cpuexec.h"
 #include "ppu.h"
 #include "apu.h"

source/ngc/s9xsupport.cpp

@@ -21,7 +21,7 @@
 
 #include "snes9x.h"
 #include "memmap.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "cpuexec.h"
 #include "ppu.h"
 #include "apu.h"

source/ngc/snes9xGX.cpp

@@ -20,6 +20,7 @@
 #include <unistd.h>
 #include <wiiuse/wpad.h>
 #include <fat.h>
+#include <debug.h>
 
 #ifdef WII_DVD
 extern "C" {
@@ -29,7 +30,7 @@ extern "C" {
 
 #include "snes9x.h"
 #include "memmap.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "cpuexec.h"
 #include "ppu.h"
 #include "apu.h"
@@ -337,7 +338,12 @@ main(int argc, char *argv[])
 	#endif
 
 	int selectedMenu = -1;
-
+	
+	#ifdef DEBUG_WII
+	DEBUG_Init(GDBSTUB_DEVICE_USB, 1);	// init debugging
+	_break();
+	#endif
+	
 	InitDeviceThread();
 
 	// Initialise video

source/ngc/snes9xGX.h

@@ -40,7 +40,8 @@ enum {
 	FILE_SRAM,
 	FILE_SNAPSHOT,
 	FILE_CHEAT,
-	FILE_PREF
+	FILE_PREF,
+	FILE_SCREEN
 };
 
 struct SGCSettings{

source/snes9x/cpu.cpp

@@ -166,7 +166,7 @@
 #include "ppu.h"
 #include "dsp1.h"
 #include "cpuexec.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "apu.h"
 #include "dma.h"
 #include "sa1.h"

source/snes9x/cpuexec.cpp

@@ -166,7 +166,7 @@
 #include "cpuops.h"
 #include "ppu.h"
 #include "cpuexec.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "snapshot.h"
 #include "gfx.h"
 #include "missing.h"

source/snes9x/cpuops.cpp

@@ -168,7 +168,7 @@
 
 #include "snes9x.h"
 #include "memmap.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "missing.h"
 #ifdef DEBUGGER
 // for "Magic WDM" features

source/snes9x/gfx.cpp

@@ -489,10 +489,10 @@ void S9xEndScreenRefresh() {
                 PPU.CGDATA[0] = saved;
             }
 
-#ifndef NGC	   
+//#ifndef NGC	   
             if(Settings.TakeScreenshot)
                 S9xDoScreenshot(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
-#endif	    
+//#endif	    
             S9xControlEOF();
 
 			if(Settings.AutoDisplayMessages || Settings.OpenGLEnable || Settings.GlideEnable)

source/snes9x/globals.cpp

@@ -167,7 +167,7 @@
 #include "dsp1.h"
 #include "missing.h"
 #include "cpuexec.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "apu.h"
 #include "dma.h"
 #include "fxemu.h"

source/snes9x/ngcscreenshot.cpp

@@ -0,0 +1,343 @@
+/**********************************************************************************
+  Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+
+  (c) Copyright 1996 - 2002  Gary Henderson (gary.henderson@ntlworld.com),
+                             Jerremy Koot (jkoot@snes9x.com)
+
+  (c) Copyright 2002 - 2004  Matthew Kendora
+
+  (c) Copyright 2002 - 2005  Peter Bortas (peter@bortas.org)
+
+  (c) Copyright 2004 - 2005  Joel Yliluoma (http://iki.fi/bisqwit/)
+
+  (c) Copyright 2001 - 2006  John Weidman (jweidman@slip.net)
+
+  (c) Copyright 2002 - 2006  funkyass (funkyass@spam.shaw.ca),
+                             Kris Bleakley (codeviolation@hotmail.com)
+
+  (c) Copyright 2002 - 2007  Brad Jorsch (anomie@users.sourceforge.net),
+                             Nach (n-a-c-h@users.sourceforge.net),
+                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2006 - 2007  nitsuja
+
+
+  BS-X C emulator code
+  (c) Copyright 2005 - 2006  Dreamer Nom,
+                             zones
+
+  C4 x86 assembler and some C emulation code
+  (c) Copyright 2000 - 2003  _Demo_ (_demo_@zsnes.com),
+                             Nach,
+                             zsKnight (zsknight@zsnes.com)
+
+  C4 C++ code
+  (c) Copyright 2003 - 2006  Brad Jorsch,
+                             Nach
+
+  DSP-1 emulator code
+  (c) Copyright 1998 - 2006  _Demo_,
+                             Andreas Naive (andreasnaive@gmail.com)
+                             Gary Henderson,
+                             Ivar (ivar@snes9x.com),
+                             John Weidman,
+                             Kris Bleakley,
+                             Matthew Kendora,
+                             Nach,
+                             neviksti (neviksti@hotmail.com)
+
+  DSP-2 emulator code
+  (c) Copyright 2003         John Weidman,
+                             Kris Bleakley,
+                             Lord Nightmare (lord_nightmare@users.sourceforge.net),
+                             Matthew Kendora,
+                             neviksti
+
+
+  DSP-3 emulator code
+  (c) Copyright 2003 - 2006  John Weidman,
+                             Kris Bleakley,
+                             Lancer,
+                             z80 gaiden
+
+  DSP-4 emulator code
+  (c) Copyright 2004 - 2006  Dreamer Nom,
+                             John Weidman,
+                             Kris Bleakley,
+                             Nach,
+                             z80 gaiden
+
+  OBC1 emulator code
+  (c) Copyright 2001 - 2004  zsKnight,
+                             pagefault (pagefault@zsnes.com),
+                             Kris Bleakley,
+                             Ported from x86 assembler to C by sanmaiwashi
+
+  SPC7110 and RTC C++ emulator code
+  (c) Copyright 2002         Matthew Kendora with research by
+                             zsKnight,
+                             John Weidman,
+                             Dark Force
+
+  S-DD1 C emulator code
+  (c) Copyright 2003         Brad Jorsch with research by
+                             Andreas Naive,
+                             John Weidman
+
+  S-RTC C emulator code
+  (c) Copyright 2001-2006    byuu,
+                             John Weidman
+
+  ST010 C++ emulator code
+  (c) Copyright 2003         Feather,
+                             John Weidman,
+                             Kris Bleakley,
+                             Matthew Kendora
+
+  Super FX x86 assembler emulator code
+  (c) Copyright 1998 - 2003  _Demo_,
+                             pagefault,
+                             zsKnight,
+
+  Super FX C emulator code
+  (c) Copyright 1997 - 1999  Ivar,
+                             Gary Henderson,
+                             John Weidman
+
+  Sound DSP emulator code is derived from SNEeSe and OpenSPC:
+  (c) Copyright 1998 - 2003  Brad Martin
+  (c) Copyright 1998 - 2006  Charles Bilyue'
+
+  SH assembler code partly based on x86 assembler code
+  (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
+
+  2xSaI filter
+  (c) Copyright 1999 - 2001  Derek Liauw Kie Fa
+
+  HQ2x, HQ3x, HQ4x filters
+  (c) Copyright 2003         Maxim Stepin (maxim@hiend3d.com)
+
+  Win32 GUI code
+  (c) Copyright 2003 - 2006  blip,
+                             funkyass,
+                             Matthew Kendora,
+                             Nach,
+                             nitsuja
+
+  Mac OS GUI code
+  (c) Copyright 1998 - 2001  John Stiles
+  (c) Copyright 2001 - 2007  zones
+
+
+  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/or 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 or it's derivatives.
+
+  Snes9x is freeware for PERSONAL USE only. Commercial users should
+  seek permission of the copyright holders first. Commercial use includes,
+  but is not limited to, charging money for Snes9x or software derived from
+  Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
+  using Snes9x as a promotion for your commercial product.
+
+  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.
+**********************************************************************************/
+
+
+
+
+
+#ifdef HAVE_CONFIG_H
+	#include <config.h>
+#endif
+#include <stdio.h>
+
+#ifndef __WIN32__
+#include <unistd.h>
+#else
+#include <direct.h>
+#endif
+#include <string.h>
+#include <fcntl.h>
+
+#include <pngu/pngu.h>
+#include <png.h>
+#include "snes9xGX.h"
+#include "fileop.h"
+#include "filesel.h"
+
+#include "snes9x.h"
+#include "memmap.h"
+#include "display.h"
+#include "gfx.h"
+#include "ppu.h"
+#include "screenshot.h"
+
+#define ShowFailure() S9xSetInfoString("Failed to take screenshot.")
+
+#if 0
+	//
+	// Need png.c from libpng to access the follow functions (and the code in s9xdoscreenshot)
+	//
+	
+	// Constants
+	#define PNGU_SOURCE_BUFFER			1
+	#define PNGU_SOURCE_DEVICE			2
+
+	//extern struct _IMGCTX;
+
+	extern "C" {
+	// Prototypes of helper functions
+	int pngu_info (IMGCTX ctx);
+	//int pngu_decode (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stripAlpha);
+	void pngu_free_info (IMGCTX ctx);
+	//void pngu_read_data_from_buffer (png_structp png_ptr, png_bytep data, png_size_t length);
+	void pngu_write_data_to_buffer (png_structp png_ptr, png_bytep data, png_size_t length);
+	void pngu_flush_data_to_buffer (png_structp png_ptr);
+	//int pngu_clamp (int value, int min, int max);
+	}
+#endif
+
+bool8 S9xDoScreenshot(int width, int height)
+{
+
+	{
+		static char str [64];
+		sprintf(str, "Saving screenshot");
+		S9xSetInfoString(str);
+		return true;
+	}
+	
+#if 0	// disable screenshots for now. Code is not quite right.
+
+	IMGCTX ctx;
+	png_color_8 sig_bit;
+	uint16 *screen = GFX.Screen;	// source
+	int method = GCSettings.SaveMethod;
+	
+	// Erase from the context any info
+	pngu_free_info (ctx);
+	ctx->propRead = 0;
+	
+	// Set some defaults
+	ctx->source = PNGU_SOURCE_DEVICE; // or PNGU_SOURCE_BUFFER;
+	if ( !MakeFilePath(ctx->filename, FILE_SCREEN, method) )
+		return FALSE;
+	
+	// init destination file
+	if (ctx->source == PNGU_SOURCE_BUFFER);	
+	else if (ctx->source == PNGU_SOURCE_DEVICE)
+	{
+		// Open file
+		if (!(ctx->fd = fopen (ctx->filename, "wb")))
+			return PNGU_CANT_OPEN_FILE;
+	}
+	else
+		return PNGU_NO_FILE_SELECTED;
+		
+	// Allocation of libpng structs
+	ctx->png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+    if (!(ctx->png_ptr))
+	{
+		if (ctx->source == PNGU_SOURCE_DEVICE)
+			fclose (ctx->fd);
+        return PNGU_LIB_ERROR;
+	}
+
+    ctx->info_ptr = png_create_info_struct (ctx->png_ptr);
+    if (!(ctx->info_ptr))
+    {
+		png_destroy_write_struct (&(ctx->png_ptr), (png_infopp)NULL);
+		if (ctx->source == PNGU_SOURCE_DEVICE)
+			fclose (ctx->fd);
+        return PNGU_LIB_ERROR;
+    }
+
+	if (ctx->source == PNGU_SOURCE_BUFFER)
+	{
+		// Installation of our custom data writer function
+		ctx->cursor = 0;
+		png_set_write_fn (ctx->png_ptr, ctx, pngu_write_data_to_buffer, pngu_flush_data_to_buffer);
+	}
+	else if (ctx->source == PNGU_SOURCE_DEVICE)
+	{
+		// Default data writer uses function fwrite, so it needs to use our FILE*
+		png_init_io (ctx->png_ptr, ctx->fd);
+	}
+
+	// Setup output file properties
+	png_set_IHDR (ctx->png_ptr, ctx->info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB, 
+				PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
+
+	// 5 bits per color
+	sig_bit.red=5;
+	sig_bit.green=5;
+	sig_bit.blue=5;
+	png_set_sBIT(ctx->png_ptr, ctx->info_ptr, &sig_bit);
+	png_set_shift(ctx->png_ptr, &sig_bit);
+
+	png_write_info(ctx->png_ptr, ctx->info_ptr);
+
+	png_set_packing(ctx->png_ptr);
+
+	*(ctx->row_pointers) = new png_byte [png_get_rowbytes(ctx->png_ptr, ctx->info_ptr)];	// alloc mem
+
+	for(int y=0; y<height; y++, screen+=GFX.RealPPL)
+	{
+		png_byte *rowpix = *(ctx->row_pointers);
+		for(int x=0; x<width; x++)
+		{
+			uint32 r, g, b;
+			DECOMPOSE_PIXEL(screen[x], r, g, b);
+			*(rowpix++) = r;
+			*(rowpix++) = g;
+			*(rowpix++) = b;
+		}
+		png_write_row(ctx->png_ptr, *(ctx->row_pointers));
+	}
+
+    delete [] ctx->row_pointers;
+
+	// Tell libpng we have no more data to write
+	png_write_end (ctx->png_ptr, (png_infop) NULL);
+
+	// Free resources
+	free (ctx->img_data);
+	free (ctx->row_pointers);
+	png_destroy_write_struct (&(ctx->png_ptr), &(ctx->info_ptr));
+	if (ctx->source == PNGU_SOURCE_DEVICE)
+		fclose (ctx->fd);
+	
+	
+	//fprintf(stderr, "%s saved.\n", fname);
+
+	{
+		static char str [64];
+		sprintf(str, "Saved screenshot");
+		S9xSetInfoString(str);
+	}
+	
+
+	return TRUE;
+#else
+	Settings.TakeScreenshot=FALSE;
+	fprintf(stderr, "Screenshot support not available (libpng was not found at build time)\n");
+	return FALSE;
+#endif
+}
+

source/snes9x/s9xdebug.cpp

@@ -176,7 +176,7 @@
 
 #include "ppu.h"
 #include "cpuexec.h"
-#include "debug.h"
+#include "s9xdebug.h"
 #include "missing.h"
 #include "display.h"
 #include "apu.h"