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    Length: 1620 (0x654)
    Types: TextFile
    Notes: UNIX file
    Names: »try.c«

└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
    └─⟦0a3c255ba⟧ UNIX V7 Filesystem
        └─ ⟦this⟧ »assm/try.c« 

TextFile

#include	<stdio.h>
/* #include	"opcode.c" */


char	line_buf[255];
unsigned int	pc;
FILE	*fopen();
int	def_lbl, udef_lbl;

main()
{
	register int i;
	char 	file[32];
	FILE	*fp0, *fp1;

	printf("\033[E");
	printf("8085 Cross Assembler\n\n\n\n");
	printf("Source file: ");
	scanf("%s", file);

	if((fp0 = fopen(file, "r")) == NULL) {
		panic("\nFile not found\n\n");
	}
	pass1(fp0);
	pass2(fp0);

	printf("Assembly complete.\n");
	fclose(fp0);
	
}

/*
 * Pass 1 code
 */

pass1(fp0)
FILE	*fp0;

{
	pc = 0;		/* initial PC counter			*/
	def_lbl	= 0;	/* no defined labels			*/
	udef_lbl = 0;	/* no undefined labels			*/

	for(;;) {
		get_line(fp0);
		printf("%s\n", line_buf);
	}
}

/*
 * Pass 2 code
 */

pass2(fp0)
FILE	*fp0;

{

}

/*
 * get a  line from the file.
 */
get_line(fp0)
FILE	*fp0;
{
	char c, *tmp;
	register int	cnt;

	tmp = &line_buf[0];			/* point tmp @ buffer	*/
	cnt = 0;
printf("Here!\n");
	while (( c=getc(fp0)) != EOF) {
		if(((c == 0x3B) || (c == 0x0A))  && (cnt == 0)) {
			if(c == 0x3B)
				while((c=getc(fp0)) != EOF) {
					if(c == 0x0A)
						return(1);
				}
			return(1);
		}
		if(c == 0x3B ) {		/* chuck rest of line	*/
			while ((c = getc(fp0)) != EOF) {
				if(c == 0x0A) {
					*tmp++ = 0;
					return(0);
				}
			}
			panic("Pass1: Unexpected EOF\n");
		}
		*tmp++ = c;		/* c into buf & inc pointer	*/
					/* bump counter			*/
		if (cnt++ == 255)
			panic("Pass1: Bogus source file!\n");
		if ( c == 0x0A ) {
			*tmp++ = 0;
			return(0);	/* got line - return		*/
		}
	}
	panic("Pass1: Unexpected EOF\n");
}

/*
 * Error exit.
 */

panic(msg)
char	*msg;
{
	printf("%s", msg);
	exit(1);
}