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Diffstat (limited to 'src/mess/machine/abc1600mac.h')
-rw-r--r-- | src/mess/machine/abc1600mac.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/src/mess/machine/abc1600mac.h b/src/mess/machine/abc1600mac.h deleted file mode 100644 index c26c2dc9b09..00000000000 --- a/src/mess/machine/abc1600mac.h +++ /dev/null @@ -1,136 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/********************************************************************** - - Luxor ABC 1600 Memory Access Controller emulation - -**********************************************************************/ - -#pragma once - -#ifndef __ABC1600_MAC__ -#define __ABC1600_MAC__ - -#include "emu.h" -#include "cpu/m68000/m68000.h" - - - -///************************************************************************* -// MACROS / CONSTANTS -///************************************************************************* - -#define ABC1600_MAC_TAG "mac" - - - -///************************************************************************* -// INTERFACE CONFIGURATION MACROS -///************************************************************************* - -#define MCFG_ABC1600_MAC_ADD(_cpu_tag, _program_map) \ - MCFG_DEVICE_ADD(ABC1600_MAC_TAG, ABC1600_MAC, 0) \ - MCFG_DEVICE_ADDRESS_MAP(AS_PROGRAM, _program_map) \ - downcast<abc1600_mac_device *>(device)->set_cpu_tag(_cpu_tag); - - - -///************************************************************************* -// TYPE DEFINITIONS -///************************************************************************* - -// ======================> abc1600_mac_device - -class abc1600_mac_device : public device_t, - public device_memory_interface -{ -public: - abc1600_mac_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - - // optional information overrides - virtual const rom_entry *device_rom_region() const; - - void set_cpu_tag(const char *cpu_tag) { m_cpu_tag = cpu_tag; } - - virtual DECLARE_ADDRESS_MAP(map, 8); - - DECLARE_READ8_MEMBER( cause_r ); - DECLARE_WRITE8_MEMBER( task_w ); - DECLARE_READ8_MEMBER( segment_r ); - DECLARE_WRITE8_MEMBER( segment_w ); - DECLARE_READ8_MEMBER( page_r ); - DECLARE_WRITE8_MEMBER( page_w ); - DECLARE_WRITE8_MEMBER( dmamap_w ); - - DECLARE_READ8_MEMBER( dma0_mreq_r ) { return dma_mreq_r(DMAMAP_R0_LO, offset); } - DECLARE_WRITE8_MEMBER( dma0_mreq_w ) { dma_mreq_w(DMAMAP_R0_LO, offset, data); } - DECLARE_READ8_MEMBER( dma0_iorq_r ) { return dma_iorq_r(DMAMAP_R0_LO, offset); } - DECLARE_WRITE8_MEMBER( dma0_iorq_w ) { dma_iorq_w(DMAMAP_R0_LO, offset, data); } - DECLARE_READ8_MEMBER( dma1_mreq_r ) { return dma_mreq_r(DMAMAP_R1_LO, offset); } - DECLARE_WRITE8_MEMBER( dma1_mreq_w ) { dma_mreq_w(DMAMAP_R1_LO, offset, data); } - DECLARE_READ8_MEMBER( dma1_iorq_r ) { return dma_iorq_r(DMAMAP_R1_LO, offset); } - DECLARE_WRITE8_MEMBER( dma1_iorq_w ) { dma_iorq_w(DMAMAP_R1_LO, offset, data); } - DECLARE_READ8_MEMBER( dma2_mreq_r ) { return dma_mreq_r(DMAMAP_R2_LO, offset); } - DECLARE_WRITE8_MEMBER( dma2_mreq_w ) { dma_mreq_w(DMAMAP_R2_LO, offset, data); } - DECLARE_READ8_MEMBER( dma2_iorq_r ) { return dma_iorq_r(DMAMAP_R2_LO, offset); } - DECLARE_WRITE8_MEMBER( dma2_iorq_w ) { dma_iorq_w(DMAMAP_R2_LO, offset, data); } - -protected: - // device-level overrides - virtual void device_start(); - virtual void device_reset(); - - // device_memory_interface overrides - virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_PROGRAM) const; - -private: - enum - { - DMAMAP_R2_LO = 0, - DMAMAP_R2_HI, - DMAMAP_R1_LO = 4, - DMAMAP_R1_HI, - DMAMAP_R0_LO, - DMAMAP_R0_HI - }; - - DECLARE_READ8_MEMBER( read ); - DECLARE_WRITE8_MEMBER( write ); - - int get_current_task(offs_t offset); - offs_t get_segment_address(offs_t offset); - offs_t get_page_address(offs_t offset, UINT8 segd); - offs_t translate_address(offs_t offset, int *nonx, int *wp); - UINT8 read_user_memory(offs_t offset); - void write_user_memory(offs_t offset, UINT8 data); - int get_fc(); - UINT8 read_supervisor_memory(address_space &space, offs_t offset); - void write_supervisor_memory(address_space &space, offs_t offset, UINT8 data); - offs_t get_dma_address(int index, UINT16 offset); - UINT8 dma_mreq_r(int index, UINT16 offset); - void dma_mreq_w(int index, UINT16 offset, UINT8 data); - UINT8 dma_iorq_r(int index, UINT16 offset); - void dma_iorq_w(int index, UINT16 offset, UINT8 data); - - const address_space_config m_space_config; - - required_memory_region m_rom; - optional_shared_ptr<UINT8> m_segment_ram; - optional_shared_ptr<UINT16> m_page_ram; - - const char *m_cpu_tag; - m68000_base_device *m_cpu; - - int m_ifc2; - UINT8 m_task; - UINT8 m_dmamap[8]; - UINT8 m_cause; -}; - - -// device type definition -extern const device_type ABC1600_MAC; - - - -#endif |