diff options
Diffstat (limited to 'src/mame/machine/bublbobl.cpp')
-rw-r--r-- | src/mame/machine/bublbobl.cpp | 63 |
1 files changed, 1 insertions, 62 deletions
diff --git a/src/mame/machine/bublbobl.cpp b/src/mame/machine/bublbobl.cpp index 20afd11c217..4cab1e64a47 100644 --- a/src/mame/machine/bublbobl.cpp +++ b/src/mame/machine/bublbobl.cpp @@ -166,53 +166,6 @@ Bubble Bobble MCU ***************************************************************************/ -uint8_t bublbobl_state::bublbobl_mcu_ddr1_r() -{ - return m_ddr1; -} - -void bublbobl_state::bublbobl_mcu_ddr1_w(uint8_t data) -{ - m_ddr1 = data; -} - -uint8_t bublbobl_state::bublbobl_mcu_ddr2_r() -{ - return m_ddr2; -} - -void bublbobl_state::bublbobl_mcu_ddr2_w(uint8_t data) -{ - m_ddr2 = data; -} - -uint8_t bublbobl_state::bublbobl_mcu_ddr3_r() -{ - return m_ddr3; -} - -void bublbobl_state::bublbobl_mcu_ddr3_w(uint8_t data) -{ - m_ddr3 = data; -} - -uint8_t bublbobl_state::bublbobl_mcu_ddr4_r() -{ - return m_ddr4; -} - -void bublbobl_state::bublbobl_mcu_ddr4_w(uint8_t data) -{ - m_ddr4 = data; -} - -uint8_t bublbobl_state::bublbobl_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 bublbobl_state::bublbobl_mcu_port1_w(uint8_t data) { //logerror("%04x: 6801U4 port 1 write %02x\n", m_mcu->pc(), data); @@ -231,16 +184,9 @@ void bublbobl_state::bublbobl_mcu_port1_w(uint8_t data) } // bit 7: select read or write shared RAM - m_port1_out = data; } -uint8_t bublbobl_state::bublbobl_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 bublbobl_state::bublbobl_mcu_port2_w(uint8_t data) { //logerror("%04x: 6801U4 port 2 write %02x\n", m_mcu->pc(), data); @@ -278,7 +224,7 @@ void bublbobl_state::bublbobl_mcu_port2_w(uint8_t data) uint8_t bublbobl_state::bublbobl_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 bublbobl_state::bublbobl_mcu_port3_w(uint8_t data) @@ -287,18 +233,11 @@ void bublbobl_state::bublbobl_mcu_port3_w(uint8_t data) m_port3_out = data; } -uint8_t bublbobl_state::bublbobl_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 bublbobl_state::bublbobl_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; } |