ack/mach/6500/cg/mach.c
1993-11-24 12:37:16 +00:00

87 lines
1.6 KiB
C

/* $Header$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
con_part(sz,w) register sz; word w; {
while (part_size % sz)
part_size++;
if (part_size == TEM_WSIZE)
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 atol();
if (sz != 4)
fatal("bad icon/ucon size");
fprintf(codefile,".data4 %ld\n", atol(str));
}
con_float() {
static int been_here;
if (argval != 4 && argval != 8)
fatal("bad fcon size");
fprintf(codefile,".data4\t");
if (argval == 8)
fprintf(codefile,"F_DUM,");
fprintf(codefile,"F_DUM\n");
if ( !been_here++)
{
fprintf(stderr,"Warning : dummy float-constant(s)\n");
}
}
prolog(nlocals) full nlocals; {
fprintf(codefile,"\tjsr Pro\n");
if (nlocals == 0)
return;
else
fprintf(codefile,
"\tldx #[%d].h\n\tlda #[%d].l\n\tjsr Lcs\n",
nlocals, nlocals);
}
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", /* SEGTXT */
".sect .data", /* SEGCON */
".sect .rom", /* SEGROM */
".sect .bss" /* SEGBSS */
};