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Diffstat (limited to 'src/devices/bus/a2bus/ezcgi.cpp')
-rw-r--r--src/devices/bus/a2bus/ezcgi.cpp101
1 files changed, 94 insertions, 7 deletions
diff --git a/src/devices/bus/a2bus/ezcgi.cpp b/src/devices/bus/a2bus/ezcgi.cpp
index a9bc648f08e..51c48f61d20 100644
--- a/src/devices/bus/a2bus/ezcgi.cpp
+++ b/src/devices/bus/a2bus/ezcgi.cpp
@@ -13,6 +13,11 @@
#include "emu.h"
#include "ezcgi.h"
+#include "video/tms9928a.h"
+#include "video/v9938.h"
+
+
+namespace {
/***************************************************************************
PARAMETERS
@@ -22,12 +27,83 @@
#define SCREEN_TAG "screen"
//**************************************************************************
-// GLOBAL VARIABLES
+// TYPE DEFINITIONS
//**************************************************************************
-DEFINE_DEVICE_TYPE(A2BUS_EZCGI, a2bus_ezcgi_device, "a2ezcgi", "E-Z Color Graphics Interface")
-DEFINE_DEVICE_TYPE(A2BUS_EZCGI_9938, a2bus_ezcgi_9938_device, "a2ezcgi3", "E-Z Color Graphics Interface (TMS9938)")
-DEFINE_DEVICE_TYPE(A2BUS_EZCGI_9958, a2bus_ezcgi_9958_device, "a2ezcgi5", "E-Z Color Graphics Interface (TMS9958)")
+class a2bus_ezcgi_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_ezcgi_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ a2bus_ezcgi_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+ // overrides of standard a2bus slot functions
+ virtual uint8_t read_c0nx(uint8_t offset) override;
+ virtual void write_c0nx(uint8_t offset, uint8_t data) override;
+
+ required_device<tms9918a_device> m_tms;
+
+private:
+ void tms_irq_w(int state);
+};
+
+class a2bus_ezcgi_9938_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_ezcgi_9938_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ a2bus_ezcgi_9938_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+ // overrides of standard a2bus slot functions
+ virtual uint8_t read_c0nx(uint8_t offset) override;
+ virtual void write_c0nx(uint8_t offset, uint8_t data) override;
+
+ required_device<v9938_device> m_tms;
+
+private:
+ void tms_irq_w(int state);
+};
+
+class a2bus_ezcgi_9958_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_ezcgi_9958_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ a2bus_ezcgi_9958_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+ // overrides of standard a2bus slot functions
+ virtual uint8_t read_c0nx(uint8_t offset) override;
+ virtual void write_c0nx(uint8_t offset, uint8_t data) override;
+
+ required_device<v9958_device> m_tms;
+
+private:
+ void tms_irq_w(int state);
+};
#define MSX2_XBORDER_PIXELS 16
#define MSX2_YBORDER_PIXELS 28
@@ -252,7 +328,7 @@ void a2bus_ezcgi_9958_device::write_c0nx(uint8_t offset, uint8_t data)
}
}
-WRITE_LINE_MEMBER( a2bus_ezcgi_device::tms_irq_w )
+void a2bus_ezcgi_device::tms_irq_w(int state)
{
if (state)
{
@@ -264,7 +340,7 @@ WRITE_LINE_MEMBER( a2bus_ezcgi_device::tms_irq_w )
}
}
-WRITE_LINE_MEMBER( a2bus_ezcgi_9938_device::tms_irq_w )
+void a2bus_ezcgi_9938_device::tms_irq_w(int state)
{
if (state)
{
@@ -276,7 +352,7 @@ WRITE_LINE_MEMBER( a2bus_ezcgi_9938_device::tms_irq_w )
}
}
-WRITE_LINE_MEMBER( a2bus_ezcgi_9958_device::tms_irq_w )
+void a2bus_ezcgi_9958_device::tms_irq_w(int state)
{
if (state)
{
@@ -287,3 +363,14 @@ WRITE_LINE_MEMBER( a2bus_ezcgi_9958_device::tms_irq_w )
lower_slot_irq();
}
}
+
+} // anonymous namespace
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE_PRIVATE(A2BUS_EZCGI, device_a2bus_card_interface, a2bus_ezcgi_device, "a2ezcgi", "E-Z Color Graphics Interface")
+DEFINE_DEVICE_TYPE_PRIVATE(A2BUS_EZCGI_9938, device_a2bus_card_interface, a2bus_ezcgi_9938_device, "a2ezcgi3", "E-Z Color Graphics Interface (TMS9938)")
+DEFINE_DEVICE_TYPE_PRIVATE(A2BUS_EZCGI_9958, device_a2bus_card_interface, a2bus_ezcgi_9958_device, "a2ezcgi5", "E-Z Color Graphics Interface (TMS9958)")