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/* display.c for GP2X (CPU/LCD/RAM-Tuner Version 2.0)
Copyright (C) 2006 god_at_hell
original CPU-Overclocker (c) by Hermes/PS2Reality
parts (c) Rlyehs Work
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <math.h>
#include <unistd.h>
#include "gp2xminilib.h"
#include "cpuctrl.h"
#define WIDTH 320
#define HEIGHT 240
//unsigned TEXTBACK=0x900000; // text-background-color
extern unsigned char msx[]; // define la fuente externa usada para dibujar letras y numeros
void ClearScreen(unsigned val) // se usa para 'borrar' la pantalla virtual con un color
{
int n;
unsigned char *c;
unsigned short col;
c=&val;
col=gp2x_video_color15(c[0],c[1],c[2],0);
for(n=0;n<320*240;n++)
{
gp2x_screen15[n]=col;
}
}
void DrawBox(unsigned val)
{
int n;
unsigned char *c;
unsigned short col;
c=&val;
col=gp2x_video_color15(c[0],c[1],c[2],0);
for(n=320*27+2;n<320*28-1;n++)
{
gp2x_screen15[n]=col;
gp2x_screen15[n+320*209]=col;
}
for(n=320*29+4;n<320*30-3;n++)
{
gp2x_screen15[n]=col;
gp2x_screen15[n+320*169]=col;
gp2x_screen15[n+320*205]=col;
}
for(n=320*28;n<320*237;n=n+320)
{
gp2x_screen15[n+2]=col;
gp2x_screen15[n-2]=col;
}
for(n=320*30;n<320*235;n=n+320)
{
gp2x_screen15[n+4]=col;
gp2x_screen15[n-4]=col;
}
for(n=320*30;n<320*199;n=n+320)
{
gp2x_screen15[n-120]=col;
}
for(n=320*55-120;n<320*55-4;n++)
{
gp2x_screen15[n]=col;
}
}
void v_putchar( unsigned x, unsigned y, unsigned color, unsigned textback, unsigned char ch) // rutina usada para dibujar caracteres (coordenadas de 8x8)
{
int i,j,v;
unsigned char *font;
unsigned char *c;
unsigned short col,col2;
if(x>=WIDTH || y>=HEIGHT) return;
c=&color;
col=gp2x_video_color15(c[0],c[1],c[2],0);
c=&textback;
col2=gp2x_video_color15(c[0],c[1],c[2],0);
v=(y*320*8);
font = &msx[ (int)ch * 8];
for (i=0; i < 8; i++, font++)
{
for (j=0; j < 8; j++)
{
if ((*font & (128 >> j)))
{
gp2x_screen15[v+(((x<<3)+j))]=col;
}
else gp2x_screen15[v+(((x<<3)+j))]=col2;
}
v+=WIDTH;
}
}
// display array of chars
void v_putcad(int x,int y,unsigned color,unsigned textback,char *cad) // dibuja una cadena de texto
{
while(cad[0]!=0) {v_putchar(x,y,color,textback,cad[0]);cad++;x++;}
}
void gp2x_sound_frame(void *unused, unsigned char *stream, int samples)
{
int n;
short *pu;
pu=stream;
for(n=0;n<(samples);n++)
{
*pu++=0;*pu++=0;
}
}
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