Initial commit

1 files changed, 65 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..c8a1115
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,65 @@
+#include "gc.h"
+#include "util.h"
+#include <3ds.h>
+#include <inttypes.h>
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+  gfxInit(GSP_BGR8_OES, GSP_BGR8_OES, false);
+
+  // Initialize console on top screen. Using NULL as the second argument tells
+  // the console library to use the internal console structure as current one
+  consoleInit(GFX_TOP, NULL);
+
+  // Move the cursor to row 15 and column 19 and then prints "Hello World!"
+  // To move the cursor you have to print "\x1b[r;cH", where r and c are
+  // respectively the row and column where you want your cursor to move The top
+  // screen has 30 rows and 50 columns The bottom screen has 30 rows and 40
+  // columns
+  printf("\x1b[16;20HHello World!");
+
+  printf("\x1b[29;16HPress Start to exit.\n");
+
+  gc_init();
+
+  // Main loop
+  while (aptMainLoop()) {
+    // Scan all the inputs. This should be done once for each frame
+    hidScanInput();
+
+    // hidKeysDown returns information about which buttons have been just
+    // pressed (and they weren't in the previous frame)
+    u32 kDown = hidKeysDown();
+
+    if (kDown & KEY_START)
+      break; // break in order to return to hbmenu
+    if (kDown & KEY_A)
+      todo("GM");
+
+    circlePosition pos;
+    hidCircleRead(&pos);
+    printf("\x1b[0;0H\x1b[K(%" PRId16 ", %" PRId16 ")\n", pos.dx, pos.dy);
+
+    // Get the bottom screen's frame buffer
+    u16 w, h;
+    u8 *fb = gfxGetFramebuffer(GFX_BOTTOM, GFX_LEFT, &w, &h);
+
+    for (u16 j = 0; j < h; j++) {
+      for (u16 i = 0; i < w; i++) {
+        *fb++ = (u8)(((float)i / (float)w) * 255.0);
+        *fb++ = (u8)(((float)j / (float)h) * 255.0);
+        *fb++ = 0x00;
+      }
+    }
+
+    // Flush and swap framebuffers
+    gfxFlushBuffers();
+    gfxSwapBuffers();
+
+    // Wait for VBlank
+    gspWaitForVBlank();
+  }
+
+  gfxExit();
+  return 0;
+}