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#include "console.h"
#include "kernel/spinlock.h"
#include "kernel/config.h"
//#define FOOLOS_CONSOLE
static int posx=0;
static int posy=0;
// helper_funcs
void print_char_col(int x, int y, char c, char col)
{
#ifdef FOOLOS_CONSOLE
char* video_mem=(char *)SCR_VIDEOMEM+(x+y*SCR_REAL_WIDTH)*2;
video_mem[0]=c;
video_mem[1]=col;
#endif
}
void print_char(int x, int y, char c)
{
print_char_col(x,y,c,SCR_WHITE);
}
void print_single_num(int i)
{
if(i<10)print_char_col(posx,posy,'0'+i,SCR_GREEN);
else if(i<16)print_char_col(posx,posy,'A'+i-10,SCR_GREEN);
posx++;
if(posx>=SCR_WIDTH)scr_nextline();
}
void print_str_col(int x,int y,char *str, char col)
{
while(*str!=0)
{
print_char_col(x++,y,*(str++),col);
}
}
void print_str(int x,int y,char *str)
{
print_str_col(x,y,str,SCR_WHITE);
}
//
//
void scr_clear()
{
int x,y;
for(x=0;x<SCR_WIDTH+1;x++)
for(y=0;y<SCR_HEIGHT;y++)
{
if(x==SCR_WIDTH)print_char_col(x,y,'|',SCR_BLUE);
else print_char_col(x,y,' ',SCR_BLUE);
}
posx=posy=0;
}
/*
void scr_put_string_nl(char *str)
{
scr_put_string(str);
scr_nextline();
}
*/
void scr_nextline()
{
#ifdef FOOLOS_CONSOLE
int i,x;
posx=0;
posy++;
if(posy>SCR_HEIGHT-2)
{
for(i=1;i<SCR_HEIGHT-1;i++)
{
for(x=0;x<SCR_WIDTH+1;x++)
{
char* video_mem=(char *)SCR_VIDEOMEM+((x)+(i-1)*SCR_REAL_WIDTH)*2;
char* video_mem2=(char *)SCR_VIDEOMEM+((x)+i*SCR_REAL_WIDTH)*2;
*video_mem=*video_mem2;
*(video_mem+1)=*(video_mem2+1);
//clear last line
if(i==SCR_HEIGHT-2)
{
if(x==SCR_WIDTH)print_char_col(x,i,'|',SCR_BLUE);
else print_char_col(x,i,' ',SCR_BLUE);
}
}
}
posy--;
}
#endif
}
void scr_put_char(char ch,char col)
{
lock_spin(6);
if(ch=='\n')scr_nextline();
else if(posx<SCR_WIDTH)
{
print_char_col(posx,posy,ch,col);
posx++;
}
#ifdef FOOLOS_CONSOLE_AUTOBREAK
if(posx>=SCR_WIDTH)scr_nextline();
#endif
lock_release(6);
}
/*
void scr_put_hex(uint16_t val)
{
int i;
scr_put_string("0x");
for(i=0;i<4;i++)
{
print_single_num((val&0xf000)>>12);
val=val << 4;
}
}
*/
/*
void scr_put_hex32(uint32_t val)
{
scr_put_string("[");
scr_put_hex(val>>16);
scr_put_string(",");
scr_put_hex(val&0xffff);
scr_put_string("]");
}
*/
void scr_put_string(char *str, char col)
{
while(*str!=0)
{
scr_put_char(*(str++),col);
}
}
void scr_backspace()
{
if(posx==0)return;
print_char_col(posx-1,posy,' ',SCR_LGREEN);
posx--;
}
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