diff options
Diffstat (limited to 'src/mame/drivers/fidel_chesster.cpp')
-rw-r--r-- | src/mame/drivers/fidel_chesster.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/mame/drivers/fidel_chesster.cpp b/src/mame/drivers/fidel_chesster.cpp index 3a87fd3ece5..0662d3a4e3b 100644 --- a/src/mame/drivers/fidel_chesster.cpp +++ b/src/mame/drivers/fidel_chesster.cpp @@ -30,6 +30,7 @@ the S14001A in the 70s), this time a 65C02 software solution. #include "includes/fidelbase.h" #include "cpu/m6502/r65c02.h" +#include "machine/timer.h" #include "sound/volt_reg.h" #include "speaker.h" @@ -43,7 +44,9 @@ class chesster_state : public fidelbase_state { public: chesster_state(const machine_config &mconfig, device_type type, const char *tag) : - fidelbase_state(mconfig, type, tag) + fidelbase_state(mconfig, type, tag), + m_irq_on(*this, "irq_on"), + m_rombank(*this, "rombank") { } // machine drivers @@ -53,9 +56,17 @@ public: void init_chesster(); private: + // devices/pointers + required_device<timer_device> m_irq_on; + required_memory_bank m_rombank; + // address maps void main_map(address_map &map); + // periodic interrupts + template<int Line> TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(Line, ASSERT_LINE); } + template<int Line> TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(Line, CLEAR_LINE); } + int m_numbanks; // I/O handlers |