diff options
Diffstat (limited to 'src/mame/apple/mac_m.cpp')
-rw-r--r-- | src/mame/apple/mac_m.cpp | 11 |
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) { |