#include <stdio.h>
#include <setjmp.h>
#include <string.h>
-#include <alloc.h>
+
#ifdef SDK
#include <stdlib.h>
#include <math.h>
#undef HUGE
#endif
#include "asm.h"
+#include "z80.h"
/*)Module asmain.c
*
* int fflag -f(f), relocations flagged flag
* int flevel IF-ELSE-ENDIF flag will be non
* zero for false conditional case
- * addr_t fuzz tracks pass to pass changes in the
+ * Addr_T fuzz tracks pass to pass changes in the
* address of symbols caused by
* variable length instruction formats
* int gflag -g, make undefined symbols global flag
* VOID diag() assubr.c
* VOID err() assubr.c
* int fprintf() c-library
- * int getline() aslex.c
+ * int as_getline() aslex.c
* VOID list() aslist.c
* VOID lstsym() aslist.c
* VOID minit() ___mch.c
* REL, LST, and/or SYM files may be generated.
*/
-VOID
-main(argc, argv)
-char *argv[];
+int
+main(int argc, char **argv)
{
register char *p;
- register c, i;
+ register int c, i;
struct area *ap;
+ /* Check to make sure there are the right number of filenames */
+ /* before openning any of them */
+#ifdef SDK
+ inpfil = -2;
+#else /* SDK */
+ inpfil = -1;
+#endif /* SDK */
+ for (i=1; i<argc; ++i) {
+ p = argv[i];
+ if (*p != '-')
+ inpfil++;
+ }
+ if (inpfil < 0)
+ usage();
+
#ifdef SDK
inpfil = -2;
#else /* SDK */
dot.s_area = &dca;
symp = ˙
minit();
- while (getline()) {
+ while (as_getline()) {
cp = cb;
cpt = cbt;
ep = eb;
if (lflag) {
lstsym(lfp);
}
- asexit(aserr);
+ asexit(aserr != 0);
+ /* Never reached */
+ return 0;
}
/*)Function VOID asexit(i)
* ASCII character
* int flevel IF-ELSE-ENDIF flag will be non
* zero for false conditional case
- * addr_t fuzz tracks pass to pass changes in the
+ * Addr_T fuzz tracks pass to pass changes in the
* address of symbols caused by
* variable length instruction formats
* int ifcnd[] array of IF statement condition
* int incline[] current include file line
* int incfil current file handle index
* for include files
- * addr_t laddr address of current assembler line
+ * Addr_T laddr address of current assembler line
* or value of .if argument
* int lmode listing mode
* int lop current line number on page
* int tlevel current conditional level
*
* functions called:
- * addr_t absexpr() asexpr.c
+ * Addr_T absexpr() asexpr.c
* area * alookup() assym.c
* VOID clrexpr() asexpr.c
* int digit() asexpr.c
* char getnb() aslex.c
* VOID getst() aslex.c
* sym * lookup() assym.c
- * VOID machin() ___mch.c
+ * VOID machine() ___mch.c
* mne * mlookup() assym.c
* int more() aslex.c
* VOID * new() assym.c
register struct mne *mp;
register struct sym *sp;
register struct tsym *tp;
- register c;
+ register int c;
struct area *ap;
struct expr e1;
char id[NCPS];
#ifdef SDK
double f1, f2;
unsigned int mantissa, exponent;
- const signed char readbuffer[80];
+ const char readbuffer[80];
#endif
laddr = dot.s_addr;
lmode = SLIST;
* symbol, assembler directive, or assembler mnemonic is
* being processed.
*/
- if ((ctype[c] & LETTER) == 0)
- if (flevel) {
- return;
- } else {
+ if ((ctype[c] & LETTER) == 0) {
+ if (flevel) {
+ return;
+ } else {
qerr();
}
+ }
getid(id, c);
c = getnb();
/*
{
f2 = floor(log(fabs(f1))/log(2))+1;
- mantissa = (0x1000000*fabs(f1))/exp(f2*log(2));
+ mantissa = (unsigned int) ((0x1000000*fabs(f1))/exp(f2*log(2))) ;
mantissa &=0xffffff;
- exponent = f2 + 0x40;
+ exponent = (unsigned int) (f2 + 0x40) ;
if (f1<0)
exponent |=0x80;
}
break;
case S_MODUL:
- getst(id, -1);
+ getst(id, getnb()); // a module can start with a digit
if (pass == 0) {
if (module[0]) {
err('m');
lmode = SLIST;
break;
+ case S_OPTSDCC:
+ p = optsdcc;
+ if ((c = getnb()) != 0) {
+ do {
+ if (p < &optsdcc[NINPUT-1])
+ *p++ = c;
+ } while ((c = get()) != 0);
+ }
+ *p = 0;
+ unget(c);
+ lmode = SLIST;
+ break;
+
case S_GLOBL:
do {
getid(id, -1);
char *ft;
int wf;
{
- register char *p1, *p2, *p3;
- register c;
+ register char *p2, *p3;
+ register int c;
FILE *fp;
- p1 = fn;
p2 = afn;
p3 = ft;
- while ((c = *p1++) != 0 && c != FSEPX) {
- if (p2 < &afn[FILSPC-4])
- *p2++ = c;
- }
+
+ strcpy (afn, fn);
+ p2 = strrchr (afn, FSEPX); // search last '.'
+ if (!p2)
+ p2 = afn + strlen (afn);
+ if (p2 > &afn[FILSPC-4]) // truncate filename, if it's too long
+ p2 = &afn[FILSPC-4];
*p2++ = FSEPX;
- if (*p3 == 0) {
- if (c == FSEPX) {
- p3 = p1;
- } else {
- p3 = dsft;
- }
+
+ // choose a file-extension
+ if (*p3 == 0) { // extension supplied?
+ p3 = strrchr (fn, FSEPX); // no: extension in fn?
+ if (p3)
+ ++p3;
+ else
+ p3 = dsft; // no: default extension
}
- while ((c = *p3++) != 0) {
+
+ while ((c = *p3++) != 0) { // strncpy
if (p2 < &afn[FILSPC-1])
*p2++ = c;
}
*p2++ = 0;
+
if ((fp = fopen(afn, wf?"w":"r")) == NULL) {
fprintf(stderr, "%s: cannot %s.\n", afn, wf?"create":"open");
asexit(1);
*
* global variables:
* sym dot defined as sym[0]
- * addr_t fuzz tracks pass to pass changes in the
+ * Addr_T fuzz tracks pass to pass changes in the
* address of symbols caused by
* variable length instruction formats
*
/*)Function VOID phase(ap, a)
*
* area * ap pointer to area
- * addr_t a address in area
+ * Addr_T a address in area
*
* Function phase() compares the area ap and address a
* with the current area dot.s_area and address dot.s_addr
VOID
phase(ap, a)
struct area *ap;
-addr_t a;
+Addr_T a;
{
if (ap != dot.s_area || a != dot.s_addr)
err('p');
projects / fw / sdcc / blobdiff