From: keie Date: Mon, 7 Jan 1985 13:08:48 +0000 (+0000) Subject: *** empty log message *** X-Git-Tag: release-5-5~5811 X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=b4ad7c46da463259e59f45d4ff6b0b59ef5c9de9;p=ack.git *** empty log message *** --- diff --git a/mach/6500/dl/dl.c b/mach/6500/dl/dl.c new file mode 100644 index 000000000..0ee9eb2e4 --- /dev/null +++ b/mach/6500/dl/dl.c @@ -0,0 +1,164 @@ +/* + * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands. + * + * This product is part of the Amsterdam Compiler Kit. + * + * Permission to use, sell, duplicate or disclose this software must be + * obtained in writing. Requests for such permissions may be sent to + * + * Dr. Andrew S. Tanenbaum + * Wiskundig Seminarium + * Vrije Universiteit + * Postbox 7161 + * 1007 MC Amsterdam + * The Netherlands + * + */ + +#include +#include +#include + +struct sgttyb tty; + +#define DATTYPE 0 +#define EOFTYPE 1 +#define SEGTYPE 2 +#define PCTYPE 3 + +#define MAXBYTE 0x18 + +int check; +int records; +int echo; +int bytecount; +int ttyfd; + +char *progname; + +char hex[] = "0123456789ABCDEF"; + +main(argc,argv) char **argv; { + register nd,pc,sg,osg,first; + register char *s; + + progname = argv[0]; + if (argc > 3) + fatal("usage: %s [object [tty]]\n",argv[0]); + s = "a.out"; + if (argc >= 2) + s = argv[1]; + if (freopen(s,"r",stdin) == NULL) + fatal("can't open %s",s); + ttyfd = 1; + first = 1; osg = 0; + for (;;) { + pc = get2c(stdin); + if (feof(stdin)) + break; + sg = get2c(stdin); + nd = get2c(stdin); + if (first) { + first = 0; + } + assert(sg == osg); + while (nd > MAXBYTE) { + data(MAXBYTE,pc); + nd -= MAXBYTE; + pc += MAXBYTE; + } + if (nd > 0) + data(nd,pc); + assert(feof(stdin) == 0); + } + if (first == 0) + eof(); + if (echo) + for (;;) + reply(); +} + +data(nd,pc) { + + newline(nd,pc,DATTYPE); + do + byte(getc(stdin)); + while (--nd); + endline(); +} + +eof() { + + newline(0,records,EOFTYPE); + endline(); +} + +newline(n,pc,typ) { + + records++; + put(';'); + byte(n); + check = 0; + bytecount = n+4; + word(pc); +} + +endline() { + + word(check); + put('\r'); + put('\n'); + assert(bytecount == 0); +put(0); +put(0); +put(0); +put(0); +put(0); +put(0); +} + +word(w) { + + byte(w>>8); + byte(w); +} + +byte(b) { + +b &= 0377; + check += b; + --bytecount; + put(hex[(b>>4) & 017]); + put(hex[b & 017]); +} + +put(c) { + + write(ttyfd,&c,1); +} + +reply() { + register i; + int c; + + if (echo == 0) + return; + i = read(ttyfd,&c,1); + assert(i > 0); + write(1,&c,1); +} + +get2c(f) FILE *f; { + register c; + + c = getc(f); + return((getc(f) << 8) | c); +} + +fatal(s,a) { + + fprintf(stderr,"%s: ",progname); + fprintf(stderr,s,a); + fprintf(stderr,"\n"); + exit(-1); +}