readme.html: Fixed link to Po Drátě

[minsk.git] / minsk.c

diff --git a/minsk.c b/minsk.c
index 3b8f9f5bb1b124b648159c28d73c0db87768b7cc..50038f6697ed40d61d3b45865ab11908383ab4cd 100644 (file)
--- a/minsk.c
+++ b/minsk.c
@@ -44,7 +44,7 @@ typedef unsigned long long int word;
 #define SIGN_MASK 01000000000000ULL
 #define  VAL_MASK 00777777777777ULL
 
-typedef struct loc 
+typedef struct loc
 {
   int block;
   int address;
@@ -184,7 +184,7 @@ NORETURN static void parse_error(char *russian_msg, char *english_msg)
 {
   if (error_hook)
     error_hook("Parse error");
-  
+
   if (english)
     printf("Parse error (line %d): %s\n", lino, english_msg);
   else
@@ -472,7 +472,7 @@ static void run(void)
       int op = (w >> 30) & 0177;       // Operation code
       int ax = (w >> 28) & 3;          // Address extensions supported in Minsk-22 mode
       int ix = (w >> 24) & 15;         // Indexing
-      loc x = { ax & 2, (w >> 12) & 07777 };   // Operands (original form)
+      loc x = { ax >> 1, (w >> 12) & 07777 };  // Operands (original form)
       loc y = { ax & 1, w & 07777 };
       loc xi=x, yi=y;                  // (indexed form)
       if (trace)
@@ -1284,7 +1284,7 @@ static void init_memory(int set_password)
       // not +00 00 0000 0000 (NOP). Otherwise, an empty program would reveal
       // the location of the password :)
       for (int i=0; i<memblocks; i++)
-        for (int j=0; i<MEM_SIZE; j++)
+        for (int j=0; j<MEM_SIZE; j++)
           mem[i][j] = 01000000000000ULL;
 
       // Store the password
@@ -1379,6 +1379,6 @@ int main(int argc, char **argv)
 
   parse_in();
   run();
-  
+
   return 0;
 }