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Diffstat (limited to 'src/devices/bus/intv/voice.h')
-rw-r--r-- | src/devices/bus/intv/voice.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/devices/bus/intv/voice.h b/src/devices/bus/intv/voice.h new file mode 100644 index 00000000000..412d3de7760 --- /dev/null +++ b/src/devices/bus/intv/voice.h @@ -0,0 +1,78 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __INTV_VOICE_H +#define __INTV_VOICE_H + +#include "slot.h" +#include "rom.h" +#include "sound/sp0256.h" + + +// ======================> intv_voice_device + +class intv_voice_device : public intv_rom_device +{ +public: + // construction/destruction + intv_voice_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + + // reading and writing + // actual IntelliVoice access + virtual DECLARE_READ16_MEMBER(read_speech); + virtual DECLARE_WRITE16_MEMBER(write_speech); + + // passthru access + virtual DECLARE_READ16_MEMBER(read_rom04) { return m_subslot->read_rom04(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom20) { return m_subslot->read_rom20(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom40) { return m_subslot->read_rom40(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom48) { return m_subslot->read_rom48(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom50) { return m_subslot->read_rom50(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom60) { return m_subslot->read_rom60(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom70) { return m_subslot->read_rom70(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_rom80) + { + if (m_ram88_enabled && offset >= 0x800) + return m_subslot->read_ram(space, offset & 0x7ff, mem_mask); + else + return m_subslot->read_rom80(space, offset, mem_mask); + } + virtual DECLARE_READ16_MEMBER(read_rom90) { return m_subslot->read_rom90(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_roma0) { return m_subslot->read_roma0(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_romb0) { return m_subslot->read_romb0(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_romc0) { return m_subslot->read_romc0(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_romd0) + { + if (m_ramd0_enabled && offset < 0x800) + return m_subslot->read_ram(space, offset, mem_mask); + else + return m_subslot->read_romd0(space, offset, mem_mask); + } + virtual DECLARE_READ16_MEMBER(read_rome0) { return m_subslot->read_rome0(space, offset, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_romf0) { return m_subslot->read_romf0(space, offset, mem_mask); } + + // RAM passthru write + virtual DECLARE_WRITE16_MEMBER(write_88) { if (m_ram88_enabled) m_subslot->write_ram(space, offset, data, mem_mask); } + virtual DECLARE_WRITE16_MEMBER(write_d0) { if (m_ramd0_enabled) m_subslot->write_ram(space, offset, data, mem_mask); } + virtual DECLARE_READ16_MEMBER(read_ram) { return m_subslot->read_ram(space, offset, mem_mask); } + virtual DECLARE_WRITE16_MEMBER(write_ram) { m_subslot->write_ram(space, offset, data, mem_mask); } + + virtual void late_subslot_setup(); + +private: + required_device<sp0256_device> m_speech; + required_device<intv_cart_slot_device> m_subslot; + bool m_ramd0_enabled, m_ram88_enabled; +}; + + + + +// device type definition +extern const device_type INTV_ROM_VOICE; + +#endif |