--- generator/cpu68k/def68k.c	2020/03/04 04:46:43	1.1
+++ generator/cpu68k/def68k.c	2020/03/04 04:47:19	1.1.1.3
@@ -40,6 +40,9 @@ int main(int argc, char *argv[])
   char buf[BUFLEN], *p;
   int lineno = 0;
 
+  (void)argc;
+  (void)argv;
+
   /* open output files and write headers */
 
   if ((outiibs = fopen(FNAME_OUTIIBS, "w")) == NULL) {
@@ -657,7 +660,9 @@ void procline(char *line, int lineno, FI
   /* checks */
 
   if (expand_d_ea_e) {
-    if (e[ea_Imm]) {
+    /* BTST is weirdo and you can do BTST Dx, #nnnn where Dx is the source
+     * of the bit-position and #nnnn is the immediate data to test */
+    if (e[ea_Imm] && mnemonic_num != i_BTST ) {
       fprintf(stderr, "%d: Immediate data not allowed as dest\n", lineno);
       exit(1);
     }
@@ -702,7 +707,6 @@ void procline(char *line, int lineno, FI
     t_size size;
     t_datatype ea_e;
     t_datatype ea_f;
-    int skip;
     int cc;
     int wordlen, type;
     int idx;
@@ -1360,8 +1364,6 @@ int clocks_typetoindex(t_datatype type)
 
 int clocks_eacalc(t_datatype type, t_size size)
 {
-  int clks = 0;
-
   switch(type) {
   case dt_Dreg:
   case dt_Areg: return 0;
@@ -1382,8 +1384,8 @@ int clocks_eacalc(t_datatype type, t_siz
   case dt_Imm4:
   case dt_Imm8:
   case dt_Imm8s:
+  case dt_ImmV:
   case dt_Ill: return 0;
-  default:
   }
   printf("Invalid type for clocks\n");
   exit(1);