summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/am1000.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/am1000.cpp')
-rw-r--r--src/mame/drivers/am1000.cpp117
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)