99 lines
1.7 KiB
C
99 lines
1.7 KiB
C
/*
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*
|
|
*/
|
|
|
|
#ifndef NORCSID
|
|
static char rcsid[]= "$Id$" ;
|
|
#endif
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
|
|
long atol();
|
|
|
|
con_mult(sz) word sz; {
|
|
|
|
if (argval != 4)
|
|
fatal("bad icon/ucon size");
|
|
fprintf(codefile,".data4\t%ld\n",atol(str));
|
|
}
|
|
|
|
con_float() {
|
|
static int warning_given;
|
|
int i = argval;
|
|
|
|
if (!warning_given) {
|
|
fprintf(stderr, "warning: dummy floating point constant\n");
|
|
warning_given = 1;
|
|
}
|
|
while (i > 0) {
|
|
fputs(".data4 0 !dummy float\n", codefile);
|
|
i -= 4;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
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;
|
|
}
|
|
}
|
|
|
|
void
|
|
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[] = {
|
|
".sect .text",
|
|
".sect .data",
|
|
".sect .rom",
|
|
".sect .bss"
|
|
};
|