CATSFC/source/nds/displaymodes.cpp
2011-03-05 21:39:25 -05:00

53 lines
1.6 KiB
C++

//entry.c
#include <stdio.h>
#include "ds2_types.h"
#include "ds2_cpu.h"
#include "ds2_timer.h"
#include "ds2io.h"
#include "fs_api.h"
#include "gfx.h"
u32 y_scale_ = (224<<8) / 192;
static inline void Put_Pixel (unsigned char* screen, int y, int y_scale)
{
memcpy(&screen[((y<<1) << 8)], &GFX.Screen [(((y*y_scale)>>8)<<1) <<8], 256*2);
}
bool Draw_Frame_Flip(bool flip)
{
int y = 0;
do
{
int tempy = y << 4;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_+1);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);tempy++;
Put_Pixel ((unsigned char*)up_screen_addr, tempy, y_scale_);
}
while(++y < 12);
return 1;
}