137 lines
2.0 KiB
C
137 lines
2.0 KiB
C
// kout.c
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// Author: Josh Holtrop
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// Date: 08/02/04
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// Modified: 03/19/05
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#include "hos_defines.h"
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#include "kout.h"
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#include "lang/conv.h"
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#include "fs/devices.h"
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char buffer[64]; // for hex/oct/dec/ascii conversion
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// print a character
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void putc(int c)
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{
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#ifdef PARALLEL_DEBUG
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char_write(MAJORC_PARALLEL, 0, c);
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#endif
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char_write(MAJORC_VCONSOLE, 1, c); // write to vconsole with minor 1, first allocated
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}
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// print a formatted string
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void kprintf(char *fmt, ...)
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{
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u32_t *params = ((u32_t *)(&fmt)) + 1; // points to the first paramater
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int i;
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int special = 0;
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for (i = 0; ; i++)
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{
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if (special)
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{
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special = 0;
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switch (fmt[i])
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{
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case 0:
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return;
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case '%':
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putc('%');
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break;
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case 's': case 'S':
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puts((char *)*params);
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params++;
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break;
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case 'c': case 'C':
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putc(*params);
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params++;
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break;
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case 'd': case 'D': case 'i': case 'I':
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putDec(*params);
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params++;
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break;
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case 'u': case 'U':
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putDecu(*params);
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params++;
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break;
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case 'x': case 'X':
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putHex(*params);
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params++;
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break;
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case 'o': case 'O':
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putOct(*params);
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params++;
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break;
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case 'b': case 'B':
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kio_putBCD(*params);
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params++;
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break;
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}
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}
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else
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{
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switch (fmt[i])
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{
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case '%':
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special = 1;
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break;
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case 0:
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return;
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default:
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putc(fmt[i]);
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}
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}
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}
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}
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// This function prints a raw string
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void puts(char *str)
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{
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while (*str)
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{
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putc(*str++);
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}
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}
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// This function prints a signed, decimal integer
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void putDec(int num)
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{
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itoa(num, buffer);
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puts(buffer);
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}
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// This function prints an unsigned, decimal integer
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void putDecu(u32_t num)
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{
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utoa(num, buffer);
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puts(buffer);
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}
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// This function displays a number in hexadecimal
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void putHex(u32_t num)
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{
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itox(num, buffer);
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puts(buffer);
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}
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// This function displays a number in octal
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void putOct(u32_t num)
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{
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itoo(num, buffer);
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puts(buffer);
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}
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// This function prints a two-digit binary-coded-decimal value
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void kio_putBCD(u32_t bcd)
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{
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bcdtoa(bcd, buffer);
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}
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