Use standardised signed version of word type from base.h

asm/parser.c

@@ -79,9 +79,7 @@ perr_t parse_word(token_t token, word *ret)
     if (is_negative)
     {
       char *end = NULL;
-      // TODO: Make a standardised type of the same size as word in
-      // base.h
-      int64_t i = strtoll(token.str, &end, 0);
+      s_word i  = strtoll(token.str, &end, 0);
       if (!(end && end[0] == '\0'))
         return PERR_NOT_A_NUMBER;
       else if (errno == ERANGE)

vm/runtime.c

@@ -197,7 +197,7 @@ err_t vm_execute(vm_t *vm)
       printf("0x%x", datum.as_byte);
       break;
     case TYPE_INT: {
-      int32_t i = 0;
+      s_hword i = 0;
       memcpy(&i, &datum.as_hword, HWORD_SIZE);
       printf("%" PRId32, i);
       break;
@@ -206,7 +206,7 @@ err_t vm_execute(vm_t *vm)
       printf("%" PRIu32, datum.as_hword);
       break;
     case TYPE_LONG: {
-      int64_t i = 0;
+      s_word i = 0;
       memcpy(&i, &datum.as_word, WORD_SIZE);
       printf("%" PRId64, i);
       break;