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-rw-r--r--src/emu/bus/intv/ecs.h145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/emu/bus/intv/ecs.h b/src/emu/bus/intv/ecs.h
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+++ b/src/emu/bus/intv/ecs.h
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+#ifndef __INTV_ECS_H
+#define __INTV_ECS_H
+
+#include "slot.h"
+#include "rom.h"
+#include "sound/ay8910.h"
+
+
+
+// ======================> intv_ecs_device
+
+class intv_ecs_device : public intv_rom_device
+{
+public:
+ // construction/destruction
+ intv_ecs_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+ virtual const rom_entry *device_rom_region() const;
+
+ // reading and writing
+
+ // actual ECS accesses
+ // paged ROMs
+ virtual DECLARE_READ16_MEMBER(read_rom20);
+ virtual DECLARE_READ16_MEMBER(read_rom70);
+ virtual DECLARE_READ16_MEMBER(read_rome0);
+ virtual DECLARE_READ16_MEMBER(read_romf0);
+ // RAM
+ virtual DECLARE_READ16_MEMBER(read_ram) { return (int)m_ram[offset & (m_ram.count() - 1)]; }
+ virtual DECLARE_WRITE16_MEMBER(write_ram) { m_ram[offset & (m_ram.count() - 1)] = data & 0xff; }
+ // AY8914
+ virtual DECLARE_READ16_MEMBER(read_ay);
+ virtual DECLARE_WRITE16_MEMBER(write_ay);
+ DECLARE_READ8_MEMBER(ay_porta_r);
+ DECLARE_READ8_MEMBER(ay_portb_r);
+ DECLARE_WRITE8_MEMBER(ay_porta_w);
+
+ // passthru accesses
+ virtual DECLARE_READ16_MEMBER(read_rom04) { return m_subslot->read_rom04(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_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);
+ }
+
+ // paged ROM banking
+ virtual DECLARE_WRITE16_MEMBER(write_rom20)
+ {
+ if (offset == 0xfff)
+ {
+ if (data == 0x2a50)
+ m_bank_base[2] = 0;
+ else if (data == 0x2a51)
+ m_bank_base[2] = 1;
+ }
+ }
+ virtual DECLARE_WRITE16_MEMBER(write_rom70)
+ {
+ if (offset == 0xfff)
+ {
+ if (data == 0x7a50)
+ m_bank_base[7] = 0;
+ else if (data == 0x7a51)
+ m_bank_base[7] = 1;
+ }
+ }
+ virtual DECLARE_WRITE16_MEMBER(write_rome0)
+ {
+ if (offset == 0xfff)
+ {
+ if (data == 0xea50)
+ m_bank_base[14] = 0;
+ else if (data == 0xea51)
+ m_bank_base[14] = 1;
+ }
+ }
+ virtual DECLARE_WRITE16_MEMBER(write_romf0)
+ {
+ if (offset == 0xfff)
+ {
+ if (data == 0xfa50)
+ m_bank_base[15] = 0;
+ else if (data == 0xfa51)
+ m_bank_base[15] = 1;
+ }
+ }
+ // 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); }
+ // IntelliVoice passthru
+ virtual DECLARE_READ16_MEMBER(read_speech) { if (m_voice_enabled) return m_subslot->read_speech(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_WRITE16_MEMBER(write_speech) { if (m_voice_enabled) m_subslot->write_speech(space, offset, data, mem_mask); }
+
+ virtual void late_subslot_setup();
+
+ UINT8 intv_control_r(int hand);
+
+private:
+
+ required_device<ay8914_device> m_snd;
+ required_device<intv_cart_slot_device> m_subslot;
+ required_ioport_array<7> m_keybd;
+ required_ioport_array<7> m_synth;
+ required_ioport m_cntrlsel;
+ required_ioport m_options;
+ required_ioport_array<2> m_keypad;
+ required_ioport_array<2> m_disc;
+ required_ioport_array<2> m_discx;
+ required_ioport_array<2> m_discy;
+
+ int m_bank_base[0x10];
+ UINT8 m_psg_porta;
+ bool m_voice_enabled, m_ramd0_enabled, m_ram88_enabled;
+};
+
+
+
+
+
+// device type definition
+extern const device_type INTV_ROM_ECS;
+
+#endif