From e117e43bd06627f7fadb2c58adf07e058f100579 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 12 Mar 2021 16:11:08 +0000
Subject: Initial trimui s support

---
 shell/input/sdl/input.c | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 shell/input/sdl/input.c

(limited to 'shell/input/sdl')

diff --git a/shell/input/sdl/input.c b/shell/input/sdl/input.c
new file mode 100644
index 0000000..efc44ac
--- /dev/null
+++ b/shell/input/sdl/input.c
@@ -0,0 +1,100 @@
+#include <SDL/SDL.h>
+#include <stdint.h>
+#include <stdio.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 "srtc.h"
+#include "sa1.h"
+#include "scaler.h"
+
+#include "menu.h"
+#include "config.h"
+#include "buttons.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;
+
+	// Only 1P is supported
+	if (port > 0) return joypad;
+
+	keystate = SDL_GetKeyState(NULL);
+
+	while (SDL_PollEvent(&event))
+	{
+		switch (event.type)
+		{
+			case SDL_KEYDOWN:
+				switch(event.key.keysym.sym)
+				{
+					case BTN_MENU:
+					case BTN_L2:
+						emulator_state = 1;
+					break;
+				  default:
+					break;
+				}
+			break;
+			case SDL_KEYUP:
+				switch(event.key.keysym.sym)
+				{
+					case BTN_HOME:
+						emulator_state = 1;
+					break;
+				  default:
+					break;
+				}
+			break;
+		}
+	}
+
+	CASE(option.config_buttons[0][10], SNES_START_MASK);
+	CASE(option.config_buttons[0][11], SNES_SELECT_MASK);
+	CASE(option.config_buttons[0][4], SNES_A_MASK);
+	CASE(option.config_buttons[0][5], SNES_B_MASK);
+	CASE(option.config_buttons[0][6], SNES_X_MASK);
+	CASE(option.config_buttons[0][7], SNES_Y_MASK);
+	CASE(option.config_buttons[0][8], SNES_TL_MASK);
+	CASE(option.config_buttons[0][9], SNES_TR_MASK);
+	CASE(option.config_buttons[0][0], SNES_UP_MASK);
+	CASE(option.config_buttons[0][1], SNES_RIGHT_MASK);
+	CASE(option.config_buttons[0][2], SNES_DOWN_MASK);
+	CASE(option.config_buttons[0][3], SNES_LEFT_MASK);
+
+	return joypad;
+}
-- 
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