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Diffstat (limited to 'src/devices/bus/a2bus/ssbapple.cpp')
-rw-r--r--src/devices/bus/a2bus/ssbapple.cpp42
1 files changed, 39 insertions, 3 deletions
diff --git a/src/devices/bus/a2bus/ssbapple.cpp b/src/devices/bus/a2bus/ssbapple.cpp
index 89165617867..c4ad0f7684b 100644
--- a/src/devices/bus/a2bus/ssbapple.cpp
+++ b/src/devices/bus/a2bus/ssbapple.cpp
@@ -11,20 +11,47 @@
#include "emu.h"
#include "ssbapple.h"
+
#include "sound/tms5220.h"
+
#include "speaker.h"
+
+namespace {
+
/***************************************************************************
PARAMETERS
***************************************************************************/
+#define TMS_TAG "tms5220"
+
//**************************************************************************
-// GLOBAL VARIABLES
+// TYPE DEFINITIONS
//**************************************************************************
-DEFINE_DEVICE_TYPE(A2BUS_SSBAPPLE, a2bus_ssb_device, "a2ssbapl", "Multitech Industrial SSB Apple speech card")
+class a2bus_ssb_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_ssb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ static constexpr feature_type imperfect_features() { return feature::SOUND; }
-#define TMS_TAG "tms5220"
+ required_device<tms5220_device> m_tms;
+
+protected:
+ a2bus_ssb_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+
+ // overrides of standard a2bus slot functions
+ virtual uint8_t read_cnxx(uint8_t offset) override;
+ virtual void write_cnxx(uint8_t offset, uint8_t data) override;
+ virtual bool take_c800() override;
+};
/***************************************************************************
FUNCTION PROTOTYPES
@@ -85,3 +112,12 @@ void a2bus_ssb_device::write_cnxx(uint8_t offset, uint8_t data)
{
m_tms->data_w(data);
}
+
+} // anonymous namespace
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE_PRIVATE(A2BUS_SSBAPPLE, device_a2bus_card_interface, a2bus_ssb_device, "a2ssbapl", "Multitech Industrial SSB Apple speech card")