shithub: choc

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ref: 962d6dcf12e740c26c3be035884b310e74947d97
parent: b796c64d34847434d053aeacca5b6ec10ace2450
author: Simon Howard <fraggle@gmail.com>
date: Wed Mar 11 16:20:05 EDT 2009 

Debug trace code for register writes.

Subversion-branch: /branches/opl-branch
Subversion-revision: 1462


--- a/opl/opl.c
+++ b/opl/opl.c
@@ -30,6 +30,8 @@
 #include "opl.h"
 #include "opl_internal.h"
 
+#define OPL_DEBUG_TRACE
+
 #ifdef HAVE_IOPERM
 extern opl_driver_t opl_linux_driver;
 #endif
@@ -75,6 +77,9 @@
 {
     if (driver != NULL)
     {
+#ifdef OPL_DEBUG_TRACE
+        printf("OPL_write: %i, %x\n", port, value);
+#endif
         driver->write_port_func(port, value);
     }
 }
@@ -83,7 +88,15 @@
 {
     if (driver != NULL)
     {
-        return driver->read_port_func(port);
+        unsigned int result;
+
+        result = driver->read_port_func(port);
+
+#ifdef OPL_DEBUG_TRACE
+        printf("OPL_read: %i -> %x\n", port, result);
+#endif
+
+        return result;
     }
     else
     {