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This commit is contained in:
David Given 2019-02-06 11:50:05 +01:00
parent 73fab341f5
commit b77f616598
1 changed files with 51 additions and 45 deletions
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56
mach/i80/ncg/mach.c
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@ -14,27 +14,31 @@ static char rcsid[]= "$Id$" ;
#include <stdlib.h> /* atol */ #include <stdlib.h> /* atol */
void void con_part(sz, w) register sz;
con_part(sz,w) register sz; word w; { word w;
{
while (part_size % sz) while (part_size % sz)
part_size++; part_size++;
if (part_size == 2) if (part_size == 2)
part_flush(); part_flush();
if (sz == 1) { if (sz == 1)
{
w &= 0xFF; w &= 0xFF;
if (part_size) if (part_size)
w <<= 8; w <<= 8;
part_word |= w; part_word |= w;
} else { }
else
{
assert(sz == 2); assert(sz == 2);
part_word = w; part_word = w;
} }
part_size += sz; part_size += sz;
} }
void void con_mult(sz) word sz;
con_mult(sz) word sz; { {
if (argval != 4) if (argval != 4)
fatal("bad icon/ucon size"); fatal("bad icon/ucon size");
@ -48,29 +52,35 @@ con_mult(sz) word sz; {
#define FL_MSB_AT_LOW_ADDRESS 0 #define FL_MSB_AT_LOW_ADDRESS 0
#include <con_float> #include <con_float>
void void prolog(nlocals) full nlocals;
prolog(nlocals) full nlocals; { {
fprintf(codefile, "\tpush\tb\n\tlxi\th,0\n\tdad\tsp\n\tmov\tb,h\n\tmov\tc,l\n"); fprintf(codefile, "\tpush\tb\n\tlxi\th,0\n\tdad\tsp\n\tmov\tb,h\n\tmov\tc,l\n");
switch (nlocals) { switch (nlocals)
case 4: fprintf(codefile,"\tpush\th\n"); {
case 2: fprintf(codefile,"\tpush\th\n"); case 4:
case 0: break; fprintf(codefile, "\tpush\th\n");
case 2:
fprintf(codefile, "\tpush\th\n");
case 0:
break;
default: default:
fprintf(codefile, "\tlxi\th,%d\n\tdad\tsp\n\tsphl\n", -nlocals); fprintf(codefile, "\tlxi\th,%d\n\tdad\tsp\n\tsphl\n", -nlocals);
break; break;
} }
} }
void void mes(type) word type;
mes(type) word type ; { {
int argt; int argt;
switch ( (int)type ) { switch ((int)type)
{
case ms_ext: case ms_ext:
for (;;) { for (;;)
switch ( argt=getarg( {
ptyp(sp_cend)|ptyp(sp_pnam)|sym_ptyp) ) { switch (argt = getarg(ptyp(sp_cend) | ptyp(sp_pnam) | sym_ptyp))
{
case sp_cend: case sp_cend:
return; return;
default: default:
@ -80,14 +90,10 @@ mes(type) word type ; {
} }
} }
default: default:
while ( getarg(any_ptyp) != sp_cend ) ; while (getarg(any_ptyp) != sp_cend)
;
break; break;
} }
} }
char *segname[] = { char* segname[] = { ".sect .text", ".sect .data", ".sect .rom", ".sect .bss" };
".sect .text",
".sect .data",
".sect .rom",
".sect .bss"
};