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Diffstat (limited to 'src/mame/machine/kikikai.cpp')
-rw-r--r--src/mame/machine/kikikai.cpp64
1 files changed, 1 insertions, 63 deletions
diff --git a/src/mame/machine/kikikai.cpp b/src/mame/machine/kikikai.cpp
index 028af58b4e9..7c79653ff46 100644
--- a/src/mame/machine/kikikai.cpp
+++ b/src/mame/machine/kikikai.cpp
@@ -348,53 +348,6 @@ Kiki KaiKai / Kick 'n Run MCU
***************************************************************************/
-uint8_t kikikai_state::kikikai_mcu_ddr1_r()
-{
- return m_ddr1;
-}
-
-void kikikai_state::kikikai_mcu_ddr1_w(uint8_t data)
-{
- m_ddr1 = data;
-}
-
-uint8_t kikikai_state::kikikai_mcu_ddr2_r()
-{
- return m_ddr2;
-}
-
-void kikikai_state::kikikai_mcu_ddr2_w(uint8_t data)
-{
- m_ddr2 = data;
-}
-
-uint8_t kikikai_state::kikikai_mcu_ddr3_r()
-{
- return m_ddr3;
-}
-
-void kikikai_state::kikikai_mcu_ddr3_w(uint8_t data)
-{
- m_ddr3 = data;
-}
-
-uint8_t kikikai_state::kikikai_mcu_ddr4_r()
-{
- return m_ddr4;
-}
-
-void kikikai_state::kikikai_mcu_ddr4_w(uint8_t data)
-{
- m_ddr4 = data;
-}
-
-uint8_t kikikai_state::kikikai_mcu_port1_r()
-{
- //logerror("%04x: 6801U4 port 1 read\n", m_mcu->pc());
- m_port1_in = ioport("IN0")->read();
- return (m_port1_out & m_ddr1) | (m_port1_in & ~m_ddr1);
-}
-
void kikikai_state::kikikai_mcu_port1_w(uint8_t data)
{
//logerror("%04x: 6801U4 port 1 write %02x\n", m_mcu->pc(), data);
@@ -413,16 +366,9 @@ void kikikai_state::kikikai_mcu_port1_w(uint8_t data)
machine().bookkeeping().coin_lockout_w(0, ~data & 0x20);
// bit 7: ? (set briefly while MCU boots)
-
m_port1_out = data;
}
-uint8_t kikikai_state::kikikai_mcu_port2_r()
-{
- //logerror("%04x: 6801U4 port 2 read\n", m_mcu->pc());
- return (m_port2_out & m_ddr2) | (m_port2_in & ~m_ddr2);
-}
-
void kikikai_state::kikikai_mcu_port2_w(uint8_t data)
{
//logerror("%04x: 6801U4 port 2 write %02x\n", m_mcu->pc(), data);
@@ -459,7 +405,7 @@ void kikikai_state::kikikai_mcu_port2_w(uint8_t data)
uint8_t kikikai_state::kikikai_mcu_port3_r()
{
//logerror("%04x: 6801U4 port 3 read\n", m_mcu->pc());
- return (m_port3_out & m_ddr3) | (m_port3_in & ~m_ddr3);
+ return m_port3_in;
}
void kikikai_state::kikikai_mcu_port3_w(uint8_t data)
@@ -468,17 +414,9 @@ void kikikai_state::kikikai_mcu_port3_w(uint8_t data)
m_port3_out = data;
}
-uint8_t kikikai_state::kikikai_mcu_port4_r()
-{
- //logerror("%04x: 6801U4 port 4 read\n", m_mcu->pc());
- return (m_port4_out & m_ddr4) | (m_port4_in & ~m_ddr4);
-}
-
void kikikai_state::kikikai_mcu_port4_w(uint8_t data)
{
//logerror("%04x: 6801U4 port 4 write %02x\n", m_mcu->pc(), data);
-
// bits 0-7 of shared RAM address
-
m_port4_out = data;
}