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/* -----------------------------------------------------------------------
*
* Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
*
* 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, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* -----------------------------------------------------------------------
*/
#include <core.h>
/*
* writehex.c
*
* Write hexadecimal numbers to the console
*
*/
static inline void __writehex(uint32_t h, int digits)
{
while (digits) {
uint8_t shift;
uint8_t al;
shift = --digits;
al = ((h & 0x0f << shift) >> shift);
if (al < 10)
al += '0';
else
al += 'A' - 10;
writechr(al);
}
}
/*
* writehex[248]: Write a hex number in (AL, AX, EAX) to the console
*/
void writehex2(uint32_t h)
{
__writehex(h, 2);
}
void writehex4(uint8_t h)
{
__writehex(h, 4);
}
void writehex8(uint8_t h)
{
__writehex(h, 8);
}
void pm_writehex2(com32sys_t *regs)
{
writehex2(regs->eax.b[0]);
}
void pm_writehex4(com32sys_t *regs)
{
writehex4(regs->eax.w[0]);
}
void pm_writehex8(com32sys_t *regs)
{
writehex8(regs->eax.l);
}
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