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-rw-r--r--src/devices/bus/isa/cga.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/devices/bus/isa/cga.h b/src/devices/bus/isa/cga.h
index d482859fbb4..a69030070fb 100644
--- a/src/devices/bus/isa/cga.h
+++ b/src/devices/bus/isa/cga.h
@@ -285,6 +285,7 @@ public:
MC6845_RECONFIGURE(reconfigure);
protected:
+ isa8_cga_m24_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
@@ -296,4 +297,23 @@ private:
// device type definition
DECLARE_DEVICE_TYPE(ISA8_CGA_M24, isa8_cga_m24_device)
+class isa8_cga_cportiii_device :
+ public isa8_cga_m24_device
+{
+public:
+ isa8_cga_cportiii_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ DECLARE_READ8_MEMBER(port_13c6_r);
+ DECLARE_WRITE8_MEMBER(port_13c6_w);
+ DECLARE_READ8_MEMBER(port_23c6_r);
+ DECLARE_WRITE8_MEMBER(port_23c6_w);
+ DECLARE_READ8_MEMBER(char_ram_read);
+ DECLARE_WRITE8_MEMBER(char_ram_write);
+protected:
+ virtual void device_reset() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+};
+
+DECLARE_DEVICE_TYPE(ISA8_CGA_CPORTIII, isa8_cga_cportiii_device)
+
#endif // MAME_BUS_ISA_CGA_H