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#include "kernel.h"
#include "interrupts.h"
#define COMMAND_LENGTH 255
static char command[COMMAND_LENGTH];
static int pos=0;
// in timer:
uint16_t timer16;
void shell_init()
{
pos=0;
command[0]=0;
scr_nextline();
scr_put_string_nl("***********************");
scr_put_string_nl("Fools Shell v 0.0.0.1 *");
scr_put_string_nl("***********************");
scr_nextline();
scr_put_string("Command> ");
}
void shell_put(char x)
{
if(pos<COMMAND_LENGTH-2);
command[pos]=x;
pos++;
command[pos]=0;
}
void shell_backspace()
{
if(pos>0);
pos--;
command[pos]=0;
}
int strcmp(char *b1, char *b2)
{
int i=0;
while(b1[i]==b2[i]&&b1[i]!=0&&b2[i]!=0) i++;
if(b1[i]==0&&b2[i]==0)return 1;
return 0;
}
// TODO: EXECUTE LATER not inside INTERRUPT !!!
void shell_execute()
{
scr_nextline();
scr_put_string(" processing command: ");
scr_put_string_nl(command);
if(1==strcmp(command,"TIME"))
{
scr_put_string_nl(" getting sys time from kernel");
scr_put_string(" ");
scr_put_hex(timer16);
scr_put_string_nl(" seconds passed since system start.");
}
else if(1==strcmp(command,"INT"))
{
scr_put_string_nl(" getting count of unhandeled interrupts");
scr_put_string(" ");
scr_put_hex(int_unhandled);
}
else if(1==strcmp(command,"EIGHT"))
{
scr_put_string_nl(" generating software interrupt 88");
scr_put_string(" ");
int_generate88();
}
else
{
scr_put_string_nl(" unsupported command, sorry!");
}
pos=0;
scr_nextline();
scr_put_string("Command> ");
}
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