unsigned char handle[32];
unsigned char bmpHead[] = {
0x42, 0x4D, 0x36, 0x65, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x28, 0x00,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0xF0, 0x00,
0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x65, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
void memdump(wchar_t* filename, unsigned char* buf, unsigned int size){
unsigned int br = 0;
memset(&handle, 0, 32);
fopen9(&handle, filename, 6);
fwrite9(&handle, &br, buf, size);
fclose9(&handle);
for(int i = 0; i < 0x46500; i++) *(VRAM+0x1E6000 + i) = 0xFF;
}
void transpose (void * dst, const void * src, unsigned dim1, unsigned dim2, unsigned item_length) {
char * ptr_write;
const char * ptr_read;
unsigned x, y, z;
for (x = 0; x < dim1; x ++) for (y = 0; y < dim2; y ++) {
ptr_write = ((char *) dst) + item_length * (y * dim1 + x);
ptr_read = ((const char *) src) + item_length * (x * dim2 + y);
for (z = 0; z < item_length; z ++) *(ptr_write ++) = *(ptr_read ++);
}
}
void screenShot(int frame){
unsigned int br;
short width = frame == 0 ? 400 : 320;
short height = 240;
int frameOff = frame == 0 ? 0x300000 : 0; //0x1E6000 : 0x48F000; //<- Defaults
int length = frame == 0 ? 0x46500 : 0x38400;
memset(&handle, 0, 32);
fopen9(&handle, frame == 0 ? L"sdmc:/screen_top.bmp" : L"sdmc:/screen_bot.bmp", 6);
transpose(FCRAM+0xF80000, VRAM+frameOff, width, height, 3);
bmpHead[18] = frame == 0 ? 0x90 : 0x40;
fwrite9(&handle, &br, bmpHead, 0x36);
fwrite9(&handle, &br, FCRAM+0xF80000, length);
fclose9(&handle);
for(int i = 0; i < length; i++) *(VRAM+frameOff + i) = 0xFF;
}
void myThread(){
while(1){
if(getHID() & BUTTON_SELECT){
screenShot(TOP_FRAME);
screenShot(BOT_FRAME);
}
if(getHID() & BUTTON_START) memdump(L"sdmc:/VRAM.bin", VRAM, 0x00600000);
}
__asm("SVC 0x09");
}
Feel free to ask questions.
Enjoy.