summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/pc8801/pcg8100.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/pc8801/pcg8100.h')
-rw-r--r--src/devices/bus/pc8801/pcg8100.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/devices/bus/pc8801/pcg8100.h b/src/devices/bus/pc8801/pcg8100.h
new file mode 100644
index 00000000000..4d71f8509d1
--- /dev/null
+++ b/src/devices/bus/pc8801/pcg8100.h
@@ -0,0 +1,44 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+
+#ifndef MAME_BUS_PC8801_PCG8100_H
+#define MAME_BUS_PC8801_PCG8100_H
+
+#pragma once
+
+#include "pc8801_exp.h"
+#include "machine/pit8253.h"
+#include "sound/spkrdev.h"
+
+class pcg8100_device : public pc8801_exp_device
+{
+public:
+ pcg8100_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void io_map(address_map &map) override;
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+private:
+ virtual void device_add_mconfig(machine_config &config) override;
+
+ u8 m_pcg_data = 0;
+ u16 m_pcg_address = 0;
+ u8 m_pcg_latch = 0;
+
+ void pcg_latch_w(u8 data);
+
+ required_device<pit8253_device> m_pit;
+ required_device_array<speaker_sound_device, 3> m_dac1bit;
+
+ required_region_ptr<u8> m_cg_rom;
+ std::array<u8, 0x400> m_original_rom;
+ void audio_channel(u8 ch, bool keyon);
+};
+
+DECLARE_DEVICE_TYPE(PCG8100, pcg8100_device)
+
+
+#endif // MAME_BUS_PC8801_JMBX1_H