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OOUTPUT.C
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C/C++ Source or Header
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1991-10-01
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4KB
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173 lines
#include <stdio.h>
#include <string.h>
#include "o.h"
/*
** Local Variables
*/
int tab_at = 0;
static int col_cnt = 0;
/*
** Local Prototypes
*/
void tab_count( char * );
void tab_seek( int );
void tab_next( void );
void out_label( char * );
void out_opcode( char * );
void out_operand( char * );
void out_comment( char * );
void out_endline( void );
void out_newline( void );
void out_directive( char * );
void out_line( char *, char *, char *, char * );
void tab_count( text )
char *text;
{
int count;
count = strlen( text );
while ( count ) {
if ( *text == '\t' ) {
col_cnt = (col_cnt | 0x07) + 1;
} else {
col_cnt++;
}
text++;
--count;
}
tab_at = (col_cnt >> 3) + 1;
}
void tab_seek( tab_count )
int tab_count;
{
if ( tab_count <= tab_at ) {
putc( '\n', stdout );
tab_count -= tab_offset;
tab_offset = 0;
tab_at = 0;
col_cnt = 0;
}
if ( tab_at == 0 ) {
tab_at = 1;
}
while( tab_at < tab_count ) {
putc( '\t', stdout );
tab_at++;
col_cnt = (tab_at - 1) << 3;
}
}
void tab_next()
{
tab_seek( tab_at + 1 );
}
void out_label( label )
char *label;
{
tab_seek( 1 ); /* Start a new line if needed */
printf( "%s", label );
tab_count( label );
}
void out_opcode( opcode )
char *opcode;
{
tab_seek( 2 + tab_offset ); /* Indent to first tab stop */
printf( "%s", opcode );
tab_count( opcode );
}
void out_operand( operand )
char *operand;
{
if ( strcmp(operand,"") ) {
tab_next(); /* Indent to next tab stop */
printf( "%s", operand );
tab_count( operand );
}
}
void out_comment( comment )
char *comment;
{
if ( strcmp(comment,"") ) {
tab_seek( 7 ); /* Indent to next tab stop */
printf( "; %s", comment );
col_cnt += 2;
tab_count( comment );
}
}
void out_endline()
{
putc( '\n', stdout );
tab_offset = 0;
tab_at = 0;
col_cnt = 0;
}
void out_newline()
{
/* if ( tab_at != 0 ) { /* Finish off previous line if needed */
out_endline();
} */
out_endline();
}
void out_directive( direct )
char *direct;
{
tab_next();
if ( tab_at < 2 ) {
tab_next();
}
printf( "%s", direct );
tab_count( direct );
}
void out_line( label, opcode, operand, comment )
char *label;
char *opcode;
char *operand;
char *comment;
{
out_label( label );
out_directive( opcode );
out_operand( operand );
out_comment( comment );
}
char *out_hexize( offset, text, bytes )
dword offset;
char *text;
int bytes;
{
char temp[15];
switch( bytes ) {
case 1: sprintf( temp, "%02Xh", (uchar)offset );
break;
case 2: sprintf( temp, "%04Xh", (word)offset );
break;
case 4: sprintf( temp, "%08lXh", offset );
break;
default:
fmt_error( "Internal error calling out_hexize()" );
break;
}
if ( temp[0] >= '0' && temp[0] <= '9' ) {
strcpy( text, temp );
} else {
sprintf( text, "0%s", temp );
}
return( text );
}