1 files changed, 5 insertions, 0 deletions
diff --git a/ztestrun.c b/ztestrun.c
index b74d064..162a94d 100644
--- a/ztestrun.c
+++ b/ztestrun.c
@@ -24,6 +24,11 @@ z80_context * z80_write_ym(uint16_t location, z80_context * context, uint8_t val
 	return context;
 }
 
+z80_context * z80_vdp_port_write(uint16_t location, z80_context * context, uint8_t value)
+{
+	return context;
+}
+
 int main(int argc, char ** argv)
 {
 	long filesize;