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Diffstat (limited to 'src/mame/apple/mac_m.cpp')
-rw-r--r--src/mame/apple/mac_m.cpp11
1 files changed, 0 insertions, 11 deletions
diff --git a/src/mame/apple/mac_m.cpp b/src/mame/apple/mac_m.cpp
index 7ef649acd7f..f4d8a771f99 100644
--- a/src/mame/apple/mac_m.cpp
+++ b/src/mame/apple/mac_m.cpp
@@ -1014,9 +1014,7 @@ void mac_state::machine_start()
save_item(NAME(m_nubus_irq_state));
save_item(NAME(m_se30_vbl_enable));
save_item(NAME(m_adb_irq_pending));
- save_item(NAME(irq_count));
save_item(NAME(ca1_data));
- save_item(NAME(ca2_data));
save_item(NAME(m_rbv_regs));
save_item(NAME(m_rbv_ier));
save_item(NAME(m_rbv_ifr));
@@ -1293,15 +1291,6 @@ void mac_state::vblank_irq()
m_macadb->adb_vblank();
}
- if (++irq_count == 60)
- {
- irq_count = 0;
-
- ca2_data ^= 1;
- /* signal 1 Hz irq on CA2 input on the VIA */
- m_via1->write_ca2(ca2_data);
- }
-
// handle SE/30 vblank IRQ
if (m_model == MODEL_MAC_SE30)
{