diff --git a/src/mame/drivers/meyc8088.cpp b/src/mame/drivers/meyc8088.cpp
index d4f9d65f826..6897f0bdbb3 100644
--- a/src/mame/drivers/meyc8088.cpp
+++ b/src/mame/drivers/meyc8088.cpp
@@ -163,8 +163,9 @@ uint32_t meyc8088_state::screen_update_meyc8088(screen_device &screen, bitmap_in
 
 WRITE_LINE_MEMBER(meyc8088_state::screen_vblank_meyc8088)
 {
-	// INTR on LC255 (pulses at start and end of vblank), INTA hardwired to $20
-	m_maincpu->pulse_input_line_and_vector(0, 0x20, 1);
+	// LC255(200ns pulse) rising edge asserts INTR at start and end of vblank
+	// INTA wired back to INTR to clear it, vector is hardwired to $20
+	m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0x20);
 }