ack/mach/i80/ncg/mach.c

101 lines
1.8 KiB
C
Raw Normal View History

1985-01-17 14:31:34 +00:00
/*
* (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
*
*/
1985-03-18 12:55:07 +00:00
#ifndef NORCSID
static char rcsid[]= "$Header$" ;
#endif
1985-01-17 14:31:34 +00:00
/*
* machine dependent back end routines for the Intel 8080.
*/
con_part(sz,w) register sz; word w; {
while (part_size % sz)
part_size++;
if (part_size == 2)
part_flush();
if (sz == 1) {
w &= 0xFF;
if (part_size)
w <<= 8;
part_word |= w;
} else {
assert(sz == 2);
part_word = w;
}
part_size += sz;
}
con_mult(sz) word sz; {
long l;
if (argval != 4)
fatal("bad icon/ucon size");
l = atol(str);
fprintf(codefile,".short\t%d\n",(int)l);
fprintf(codefile,".short\t%d\n",(int)(l>>16));
}
con_float() {
fatal("no reals");
}
prolog(nlocals) full nlocals; {
fprintf(codefile,"\tpush\tb\n\tlxi\th,0\n\tdad\tsp\n\tmov\tb,h\n\tmov\tc,l\n");
switch (nlocals) {
case 4: fprintf(codefile,"\tpush\th\n");
case 2: fprintf(codefile,"\tpush\th\n");
case 0: break;
default:
fprintf(codefile,"\tlxi\th,%d\n\tdad\tsp\n\tsphl\n",-nlocals);
break;
}
}
mes(type) word type ; {
int argt ;
switch ( (int)type ) {
case ms_ext :
for (;;) {
switch ( argt=getarg(
ptyp(sp_cend)|ptyp(sp_pnam)|sym_ptyp) ) {
case sp_cend :
return ;
default:
strarg(argt) ;
fprintf(codefile,".define %s\n",argstr) ;
break ;
}
}
default :
while ( getarg(any_ptyp) != sp_cend ) ;
break ;
}
}
char *segname[] = {
".text",
".data",
".data",
".bss"
};