#ifndef __MRE_H__ #define __MRE_H__ #include <stdint.h>

void mre_update_display(void) printf("[MRE] Display updated\n");

// Event handler void mre_handle_event(MRE_EVENT event, int param)

// Types typedef uint8_t BOOL; typedef uint8_t BYTE; typedef uint16_t WORD; typedef uint32_t DWORD;

// API functions void mre_init(void); void mre_exit(void); void mre_draw_text(const char* text, int x, int y, DWORD color); void mre_draw_rect(int x, int y, int w, int h, DWORD color, BOOL fill); void mre_display_set_background(DWORD color); void mre_update_display(void); void mre_set_timer(int ms, int timer_id); void mre_kill_timer(int timer_id); void mre_play_sound(int freq, int duration_ms); int mre_get_screen_width(void); int mre_get_screen_height(void);

void mre_init(void) printf("[MRE] Initialized\n"); mre_display_set_background(RGB(255,255,255));

void mre_play_sound(int freq, int duration_ms) printf("[MRE] Play tone %d Hz for %d ms\n", freq, duration_ms);

void mre_draw_rect(int x, int y, int w, int h, DWORD color, BOOL fill) printf("[MRE] Draw rect (%d,%d,%d,%d) %s %06X\n", x, y, w, h, fill ? "fill" : "border", color);

int mre_get_screen_width(void) return screen_w; int mre_get_screen_height(void) return screen_h;

mre_init(); mre_display_set_background(RGB(255, 255, 255)); mre_draw_text("Hello MRE!", 10, 10, RGB(0, 0, 0)); mre_update_display();

// Keys typedef enum MRE_KEY_SOFT_LEFT = 1, MRE_KEY_SOFT_RIGHT = 2, MRE_KEY_UP = 3, MRE_KEY_DOWN = 4, MRE_KEY_LEFT = 5, MRE_KEY_RIGHT = 6, MRE_KEY_OK = 7, MRE_KEY_BACK = 8, MRE_KEY_NUMBER_0 = 9 MRE_KEY;

void mre_kill_timer(int timer_id) printf("[MRE] Timer %d killed\n", timer_id);

// Color macro #define RGB(r,g,b) ((r<<16)|(g<<8)|b)

void mre_display_set_background(DWORD color) bg_color = color; printf("[MRE] BG color = %06X\n", color);

#endif // 3. Example MRE SDK Implementation ( mre_impl.c ) #include "mre.h" #include <stdio.h> // Simulated display buffer static DWORD display_buffer[320*240]; static int screen_w = 240, screen_h = 320; static DWORD bg_color = RGB(255,255,255); static int running = 1;