ack/mach/i80/ncg/mach.c
2019-02-07 09:09:31 +01:00

91 lines
1.6 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".
*
*/
/*
* machine dependent back end routines for the Intel 8080.
*/
#include <stdlib.h> /* atol */
void con_part(int 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;
}
void con_mult(sz) word sz;
{
if (argval != 4)
fatal("bad icon/ucon size");
fprintf(codefile, ".data4\t%ld\n", atol(str));
}
#define CODE_GENERATOR
#define IEEEFLOAT
#define FL_MSL_AT_LOW_ADDRESS 0
#define FL_MSW_AT_LOW_ADDRESS 0
#define FL_MSB_AT_LOW_ADDRESS 0
#include <con_float>
void prolog(full nlocals)
{
if (nlocals == 0)
fprintf(codefile, "\tcall .pro0\n");
else if (nlocals == 2)
fprintf(codefile, "\tcall .pro2\n");
else if (nlocals == 4)
fprintf(codefile, "\tcall .pro4\n");
else if (nlocals < 0x100)
fprintf(codefile, "\tcall .probyte\n\t.data1 %d\n", -nlocals);
else
fprintf(codefile, "\tcall .proword\n\t.data2 %d\n", -nlocals);
}
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" };