mirror of
https://github.com/holub/mame
synced 2025-04-18 22:49:58 +03:00
8bf993ca5b
* Moved expansion card emulation out of the system into card devices. * Removed machine configuration settings for expansion settings. * Started to modernise the HuCard slot interface. New working software list items (pce.xml) ------------------------ Arcade Card Pro
115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Fabio Priuli, Angelo Salese
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#ifndef MAME_BUS_PCE_PCE_ACARD_H
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#define MAME_BUS_PCE_PCE_ACARD_H
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#pragma once
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#include "pce_scdsys.h"
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#include "pce_slot.h"
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// ======================> pce_acard_duo_device
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class pce_acard_duo_device : public device_t,
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public device_pce_cart_interface
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{
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public:
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// construction/destruction
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pce_acard_duo_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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// reading and writing
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virtual void install_memory_handlers(address_space &space) override;
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protected:
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// construction/destruction
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pce_acard_duo_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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private:
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uint8_t ram_r(offs_t offset);
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void ram_w(offs_t offset, uint8_t data);
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uint8_t peripheral_r(offs_t offset);
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void peripheral_w(offs_t offset, uint8_t data);
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/* Arcade Card specific */
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memory_share_creator<uint8_t> m_ram;
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struct dram_port
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{
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uint32_t ram_addr()
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{
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if (BIT(m_ctrl, 1))
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return (m_base_addr + m_addr_offset + (BIT(m_ctrl, 3) ? 0xff0000 : 0)) & 0x1fffff;
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else
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return m_base_addr & 0x1fffff;
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}
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void addr_increment()
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{
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if (BIT(m_ctrl, 0))
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{
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if (BIT(m_ctrl, 4))
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{
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m_base_addr += m_addr_inc;
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m_base_addr &= 0xffffff;
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}
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else
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{
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m_addr_offset += m_addr_inc;
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}
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}
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}
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void adjust_addr()
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{
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m_base_addr += m_addr_offset + (BIT(m_ctrl, 3) ? 0xff0000 : 0);
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m_base_addr &= 0xffffff;
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}
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uint8_t m_ctrl;
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uint32_t m_base_addr;
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uint16_t m_addr_offset;
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uint16_t m_addr_inc;
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};
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dram_port m_port[4];
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uint32_t m_shift;
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uint8_t m_shift_reg;
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uint8_t m_rotate_reg;
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};
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// ======================> pce_acard_duo_device
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class pce_acard_pro_device : public pce_acard_duo_device
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{
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public:
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// construction/destruction
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pce_acard_pro_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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// reading and writing
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virtual void install_memory_handlers(address_space &space) override;
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protected:
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virtual void device_start() override;
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private:
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pce_scdsys_shared m_scdsys;
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// reading
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uint8_t register_r(offs_t offset) { return m_scdsys.register_r(offset); }
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};
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// device type definition
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DECLARE_DEVICE_TYPE(PCE_ROM_ACARD_DUO, pce_acard_duo_device)
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DECLARE_DEVICE_TYPE(PCE_ROM_ACARD_PRO, pce_acard_pro_device)
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#endif // MAME_BUS_PCE_PCE_ACARD_H
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