1 files changed, 50 insertions, 0 deletions
diff --git a/languages/cpp/app_templates/chello_gba/main.c b/languages/cpp/app_templates/chello_gba/main.c
new file mode 100644
index 00000000..354b4fd8
--- /dev/null
+++ b/languages/cpp/app_templates/chello_gba/main.c
@@ -0,0 +1,50 @@
+%{CPP_TEMPLATE}
+
+#include "main.h"
+
+int main(){
+  initTextMode();
+  print("HELLO WORLD",9,9);
+  while(1){}	//loop forever
+   
+}
+
+
+void print(char* text,u16 x,u16 y){
+  u16 i=0;
+  u16* ScreenBase = (u16*)0x6004000;
+  ScreenBase = ScreenBase + x + y*32;
+  while ( *text != '\0' ){
+
+    *ScreenBase++ = (u16)*text-'A'+1;
+    i++;
+    text++;
+  }
+}
+
+void initTextMode(){
+  REG_DISPCNT = (MODE0 | BG2_ENABLE);  //this sets the screen mode to mode 0 and enables background 2
+  
+  // 256 colors and charscreenbase 0, screenbase 8
+  // default size is 256x256 pixel
+  REG_BG2CNT = (1 << 7 | 0 << 2 | 8 << 8); 
+  
+  
+  u16* palDest=(u16*)BGPaletteMem; //0x5000000
+  u16* palSource = (u16*)Master_Palette;
+  // copy the palette info (256 colors a 15/16 Bit) into the desired address 
+  u16 i=0;
+  for (;i<256;i++) {
+    *palDest++ = *palSource++;
+  }
+  
+  // copy the tiles to charbase 0, (0x6000000 start of the videobuffer)
+  u16* fontDest = (u16*)VideoBuffer; //this is the start of video memory
+  u16* fontSource = (u16*)font_Tiles;
+  i=0;
+  for(;i<1920;i=i+2){
+    *fontDest++ = *fontSource++;
+  }
+}
+
+