Port the libretro core and make it standalone.

TODO :
- Input should use our config file instead.
- Missing audio in some games. (Star Ocean, doesn't happen with stock retroarch code. Odd...)

1 files changed, 74 insertions, 0 deletions

diff --git a/shell/input/sdl/input.c b/shell/input/sdl/input.c
new file mode 100644
index 0000000..357f7d1
--- /dev/null
+++ b/shell/input/sdl/input.c
@@ -0,0 +1,74 @@
+#include <SDL/SDL.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <portaudio.h>
+#include "main.h"
+#include "snes9x.h"
+#include "soundux.h"
+#include "memmap.h"
+#include "apu.h"
+#include "cheats.h"
+#include "display.h"
+#include "gfx.h"
+#include "cpuexec.h"
+#include "spc7110.h"
+#include "srtc.h"
+#include "sa1.h"
+#include "scaler.h"
+
+#include "menu.h"
+#include "config.h"
+
+uint8_t *keystate;
+uint8_t exit_snes = 0;
+extern uint32_t emulator_state;
+
+#define CASE(realkey, key) \
+	if (keystate[realkey]) \
+		joypad |= key; \
+	else \
+		joypad &= ~key; \
+
+uint32_t S9xReadJoypad(int32_t port)
+{
+	SDL_Event event;
+	static const uint32_t snes_lut[] =
+	{
+      SNES_B_MASK,
+      SNES_Y_MASK,
+      SNES_SELECT_MASK,
+      SNES_START_MASK,
+      SNES_UP_MASK,
+      SNES_DOWN_MASK,
+      SNES_LEFT_MASK,
+      SNES_RIGHT_MASK,
+      SNES_A_MASK,
+      SNES_X_MASK,
+      SNES_TL_MASK,
+      SNES_TR_MASK
+	};
+
+	int32_t i;
+	uint32_t joypad = 0;
+	
+	keystate = SDL_GetKeyState(NULL);
+	
+	SDL_PollEvent(&event);
+
+	CASE(SDLK_RETURN, SNES_START_MASK);
+	CASE(SDLK_ESCAPE, SNES_SELECT_MASK);
+	CASE(SDLK_LCTRL, SNES_A_MASK);
+	CASE(SDLK_LALT, SNES_B_MASK);
+	CASE(SDLK_LSHIFT, SNES_X_MASK);
+	CASE(SDLK_SPACE, SNES_Y_MASK);
+	CASE(SDLK_TAB, SNES_TL_MASK);
+	CASE(SDLK_BACKSPACE, SNES_TR_MASK);
+	CASE(SDLK_UP, SNES_UP_MASK);
+	CASE(SDLK_LEFT, SNES_LEFT_MASK);
+	CASE(SDLK_RIGHT, SNES_RIGHT_MASK);
+	CASE(SDLK_DOWN, SNES_DOWN_MASK);
+	
+	if (keystate[SDLK_END])	emulator_state = 1;
+
+   return joypad;
+}