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-rw-r--r--src/mame/machine/coco_vhd.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/machine/coco_vhd.h b/src/mame/machine/coco_vhd.h
index 3d4819cb8f5..4753d055646 100644
--- a/src/mame/machine/coco_vhd.h
+++ b/src/mame/machine/coco_vhd.h
@@ -36,9 +36,9 @@ public:
virtual bool is_creatable() const { return 1; }
virtual bool must_be_loaded() const { return 0; }
virtual bool is_reset_on_load() const { return 0; }
- virtual const char *image_interface() const { return NULL; }
+ virtual const char *image_interface() const { return nullptr; }
virtual const char *file_extensions() const { return "vhd"; }
- virtual const option_guide *create_option_guide() const { return NULL; }
+ virtual const option_guide *create_option_guide() const { return nullptr; }
// specific implementation
DECLARE_READ8_MEMBER(read) { return read(offset); }