// kout.c
// Author: Josh Holtrop
// Date: 08/02/04
// Modified: 08/16/04

#include "hos_defines.h"
#include "char/parallel.h"
#include "kout.h"
#include "lang/conv.h"
#include "fs/devices.h"

extern int display_activeConsole;

char	buffer[64];

// print a character
void	putc(int c)
{
	#ifdef PARALLEL_DEBUG
		char_write(MAJORC_PARALLEL, 0, c);
	#endif
	char_write(MAJORC_VCONSOLE, display_activeConsole, c);
}


// print a formatted string
void	kprintf(char *fmt, ...)
{
	u32_t *params = ((u32_t *)(&fmt)) + 1;		//points to the first paramater
	int i;
	int special = 0;
	for (i = 0; ; i++)
	{
		if (special)
		{
			special = 0;
			switch (fmt[i])
			{
			case 0:
				return;
			case '%':
				putc('%');
				break;
			case 's': case 'S':
				puts((char *)*params);
				params++;
				break;
			case 'c': case 'C':
				putc(*params);
				params++;
				break;
			case 'd': case 'D': case 'i': case 'I':
				putDec(*params);
				params++;
				break;
			case 'u': case 'U':
				putDecu(*params);
				params++;
				break;
			case 'x': case 'X':
				putHex(*params);
				params++;
				break;
			case 'b': case 'B':
				kio_putBCD(*params);
				params++;
				break;
			}
		}
		else
		{
			switch (fmt[i])
			{
			case '%':
				special = 1;
				break;
			case 0:
				return;
			default:
				putc(fmt[i]);
			}
		}
	}
}


// This function prints a raw string
void	puts(char *str)
{
	while (*str)
	{
		putc(*str++);
	}
}


// This function prints a signed, decimal integer
void	putDec(int num)
{
	itoa(num, buffer);
	puts(buffer);
}


// This function prints an unsigned, decimal integer
void	putDecu(u32_t num)
{
	utoa(num, buffer);
	puts(buffer);
}


// This function displays a number in hexadecimal
void	putHex(u32_t num)
{
	itox(num, buffer);
	puts(buffer);
}


// This function prints a two-digit binary-coded-decimal value
void	kio_putBCD(u32_t bcd)
{
	bcdtoa(bcd, buffer);
	
}