(c) message in header files and doc mini adjustments.

[rmac] / 68kgen.c

diff --git a/68kgen.c b/68kgen.c
index ccae3e5fb7076d45e2ad456c7f5b483671d0cf6a..ec3541d65e80dfe13f616ced2a9aab89f5a4b8b0 100644 (file)
--- a/68kgen.c
+++ b/68kgen.c
@@ -1,41 +1,41 @@
 //
-// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
+// RMAC - Reboot's Macro Assembler for all Atari computers
 // 68KGEN.C - Tool to Generate 68000 Opcode Table
-// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends
 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
-// Source Utilised with the Kind Permission of Landon Dyer
+// Source utilised with the kind permission of Landon Dyer
 //
 
 #include <stdio.h>
 #include <ctype.h>
 #include <stdlib.h>
 
+
 #define        EOS     '\0'
 
 int kwnum = 1;                 /* current op# for kwgen output */
-
-FILE * kfp;                    /* keyword file */
-
+FILE * kfp;                            /* keyword file */
 int lineno = 0;
 
+// Function prototypes
 void error(char *, char *);
 void procln(int, char **);
 
-void main(int argc, char ** argv)
+
+int main(int argc, char ** argv)
 {
        char * namv[256];
        char * s;
        int namcnt;
        char ln[256];
 
-       if (argc == 2)
-               if ((kfp = fopen(argv[1], "w")) == NULL)
-                       error("Cannot create: %s", argv[1]);
+       if ((argc == 2) && ((kfp = fopen(argv[1], "w")) == NULL))
+               error("Cannot create: %s", argv[1]);
 
-//     while (gets(ln) != NULL)
        while (fgets(ln, 256, stdin) != NULL)
        {
-               ++lineno;                       /* bump line# */
+               lineno++;                       /* bump line# */
+
                if (*ln == '#')         /* ignore comments */
                        continue;
 
@@ -55,7 +55,7 @@ void main(int argc, char ** argv)
                                namv[namcnt++] = s;
 
                                while (*s && !isspace(*s))
-                                       ++s;
+                                       s++;
 
                                if (isspace(*s))
                                        *s++ = EOS;
@@ -65,18 +65,21 @@ void main(int argc, char ** argv)
                if (namcnt)
                        procln(namcnt, namv);
        }
+
+       return 0;
 }
 
 
-/*
- *  Parse line
- */
+//
+// Parse line
+//
 void procln(int namc, char ** namv)
 {
        int i, j;
        char * s;
 
-       if (namc == 1)          /* alias for previous entry */
+       // alias for previous entry
+       if (namc == 1)
        {
                fprintf(kfp, "%s\t%d\n", namv[0], kwnum-1+1000);
                return;
@@ -88,7 +91,8 @@ void procln(int namc, char ** namv)
                exit(1);
        }
 
-       if (*namv[0] != '-')            /* output keyword name */
+       // output keyword name
+       if (*namv[0] != '-')
                fprintf(kfp, "%s\t%d\n", namv[0], kwnum + 1000);
 
        printf("/*%4d %-6s*/  {", kwnum, namv[0]);
@@ -97,9 +101,11 @@ void procln(int namc, char ** namv)
                printf("CGSPECIAL");
        else for (s = namv[1], i=0; *s; ++s)
                printf("%sSIZ%c", (i++ ? "|" : ""), *s);
+
        printf(", %s, %s, ", namv[2], namv[3]);
 
-       if (*namv[4] == '%')            /* enforce little fascist percent signs */
+       // enforce little fascist percent signs
+       if (*namv[4] == '%')
        {
                for(i=1, j=0; i<17; ++i)
                {
@@ -121,12 +127,14 @@ void procln(int namc, char ** namv)
 
        printf("%s},\n", namv[5]);
 
-       ++kwnum;
+       kwnum++;
 }
 
+
 void error(char * s, char * s1)
 {
        fprintf(stderr, s, s1);
        fprintf(stderr, "\n");
        exit(1);
 }
+