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Diffstat (limited to 'src/mame/drivers/am1000.cpp')
-rw-r--r-- | src/mame/drivers/am1000.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/mame/drivers/am1000.cpp b/src/mame/drivers/am1000.cpp deleted file mode 100644 index bab4bb80447..00000000000 --- a/src/mame/drivers/am1000.cpp +++ /dev/null @@ -1,117 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:AJR -/**************************************************************************** - - Skeleton driver for Alpha Micro AM-1000 system. - - This system was sold in various configurations beginning in 1982. - -****************************************************************************/ - -#include "emu.h" -#include "cpu/m68000/m68000.h" -#include "cpu/z80/z80.h" -//#include "machine/6840ptm.h" -//#include "machine/6850acia.h" -//#include "machine/com8116.h" -//#include "machine/msm5832.h" - -class am1000_state : public driver_device -{ -public: - am1000_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_subcpu(*this, "subcpu") - , m_mainprom(*this, "mainprom") - , m_mainram(*this, "mainram") - { - } - - void am1000(machine_config &config); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; - -private: - u16 rom_ram_r(offs_t offset, u16 mem_mask); - void control_w(u8 data); - - void main_map(address_map &map); - void sub_map(address_map &map); - - required_device<m68000_device> m_maincpu; - required_device<z80_device> m_subcpu; - required_region_ptr<u16> m_mainprom; - required_shared_ptr<u16> m_mainram; - - bool m_ram_enabled; -}; - - -void am1000_state::machine_start() -{ - save_item(NAME(m_ram_enabled)); -} - -void am1000_state::machine_reset() -{ - m_ram_enabled = false; -} - - -u16 am1000_state::rom_ram_r(offs_t offset, u16 mem_mask) -{ - if (m_ram_enabled) - return m_mainram[offset]; - else - return m_mainprom[offset & m_mainprom.mask()]; -} - -void am1000_state::control_w(u8 data) -{ - m_ram_enabled = true; -} - - -void am1000_state::main_map(address_map &map) -{ - map(0x000000, 0x07ffff).r(FUNC(am1000_state::rom_ram_r)).writeonly().share("mainram"); // TMM41256P-12 x16 - map(0x800000, 0x801fff).rom().region("mainprom", 0); - map(0xfffe00, 0xfffe00).w(FUNC(am1000_state::control_w)); -} - -void am1000_state::sub_map(address_map &map) -{ - map(0x0000, 0x07ff).rom().region("subprom", 0); - map(0x4000, 0x4fff).ram(); // NEC D4016C-2 x2 -} - - -static INPUT_PORTS_START(am1000) -INPUT_PORTS_END - - -void am1000_state::am1000(machine_config &config) -{ - M68000(config, m_maincpu, 16_MHz_XTAL / 2); // MK68000P-8B - m_maincpu->set_addrmap(AS_PROGRAM, &am1000_state::main_map); - - Z80(config, m_subcpu, 16_MHz_XTAL / 4); // NEC D780C-1 - m_subcpu->set_addrmap(AS_PROGRAM, &am1000_state::sub_map); -} - - -ROM_START(am1000) - ROM_REGION16_BE(0x2000, "mainprom", 0) // "© COPYRIGHT 1988 ALPHA MICRO" on labels; "COPR. 1985 ALMI" in byte-swapped data - ROM_LOAD16_BYTE("169-13_c00.u83", 0x0000, 0x1000, CRC(1d9cc8c0) SHA1(fced7bde6dbee4b54050bc7a91fc8eb74a659823)) - ROM_LOAD16_BYTE("169-12_c00.u82", 0x0001, 0x1000, CRC(72bca8ae) SHA1(67d7a13ea2d630af8e6aefeb1a30b2de8cf6012a)) - // Adjacent 24-pin sockets at U100 and U101 are both unpopulated - - ROM_REGION(0x800, "subprom", 0) - ROM_LOAD("169-05_b00.u162", 0x000, 0x800, CRC(e0f8bb40) SHA1(ac2531994eb90447d320401948af07723e51c8f9)) -ROM_END - - -COMP(1988, am1000, 0, 0, am1000, am1000, am1000_state, empty_init, "Alpha Micro", "AM-1000", MACHINE_IS_SKELETON) |