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