summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/ax20.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/ax20.cpp')
-rw-r--r--src/mame/drivers/ax20.cpp171
1 files changed, 0 insertions, 171 deletions
diff --git a/src/mame/drivers/ax20.cpp b/src/mame/drivers/ax20.cpp
deleted file mode 100644
index 456de221e05..00000000000
--- a/src/mame/drivers/ax20.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Sandro Ronco
-/***************************************************************************
-
- Axel AX-20
-
- 27/12/2011 Skeleton driver.
-
- Hardware description:
- - CPU: I8088
- - FDC: I8272
- - PIT: I8253
- - PIC: I8259
-
- Also marketed under the Matra brand as MAX-20 ("M" for Matra ?)
-
-****************************************************************************/
-
-#include "emu.h"
-#include "bus/isa/fdc.h"
-#include "cpu/i86/i86.h"
-#include "emupal.h"
-#include "screen.h"
-
-class ax20_state : public driver_device
-{
-public:
- ax20_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_p_vram(*this, "p_vram"),
- m_gfxdecode(*this, "gfxdecode"),
- m_palette(*this, "palette"),
- m_fdc(*this, "fdc")
- { }
-
- void ax20(machine_config &config);
-
-private:
- required_device<cpu_device> m_maincpu;
- required_shared_ptr<uint8_t> m_p_vram;
- required_device<gfxdecode_device> m_gfxdecode;
- required_device<palette_device> m_palette;
- required_device<i8272a_device> m_fdc;
-
- virtual void machine_start() override;
- uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
-
- DECLARE_READ8_MEMBER(unk_r);
- DECLARE_WRITE8_MEMBER(tc_w);
- DECLARE_WRITE8_MEMBER(ctl_w);
-
- void ax20_io(address_map &map);
- void ax20_map(address_map &map);
-};
-
-READ8_MEMBER(ax20_state::unk_r)
-{
- return 0;
-}
-
-WRITE8_MEMBER(ax20_state::tc_w)
-{
- m_fdc->tc_w((data & 0xf0) == 0xf0);
-}
-
-WRITE8_MEMBER(ax20_state::ctl_w)
-{
- m_fdc->subdevice<floppy_connector>("0")->get_device()->mon_w(!(data & 1));
-}
-
-uint32_t ax20_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- for ( int y = 0; y < 24; y++ )
- {
- for ( int x = 0; x < 80; x++ )
- {
- uint16_t tile = m_p_vram[24 + y * 128 + x ] & 0x7f;
-
- m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, tile, 0, 0, 0, x*8, y*12);
- }
- }
-
- return 0;
-}
-
-
-void ax20_state::ax20_map(address_map &map)
-{
- map.unmap_value_high();
- map(0x00000, 0x1ffff).ram();
- map(0x20000, 0x3ffff).ram(); //optional RAM
- map(0xf0400, 0xf0fff).ram().share("p_vram");
- map(0xff800, 0xfffff).rom().region("ipl", 0);
-}
-
-void ax20_state::ax20_io(address_map &map)
-{
- map.unmap_value_high();
- map(0xffc0, 0xffc0).w(FUNC(ax20_state::tc_w));
- map(0xffd0, 0xffd0).w(FUNC(ax20_state::ctl_w));
- map(0xffe0, 0xffe0).r(FUNC(ax20_state::unk_r));
- map(0xff80, 0xff81).m(m_fdc, FUNC(i8272a_device::map));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( ax20 )
-INPUT_PORTS_END
-
-
-void ax20_state::machine_start()
-{
-}
-
-static const gfx_layout ax20_charlayout =
-{
- 8, 12,
- 128,
- 1,
- { 0 },
- { 4*8+7, 4*8+6, 4*8+5, 4*8+4, 4*8+3, 4*8+2, 4*8+1, 4*8+0 },
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 8*9, 8*10, 8*11 },
- 8*16
-};
-
-static GFXDECODE_START( gfx_ax20 )
- GFXDECODE_ENTRY( "chargen", 0x0000, ax20_charlayout, 0, 1 )
-GFXDECODE_END
-
-static void ax20_floppies(device_slot_interface &device)
-{
- device.option_add("525dd", FLOPPY_525_DD);
-}
-
-void ax20_state::ax20(machine_config &config)
-{
- /* basic machine hardware */
- I8088(config, m_maincpu, XTAL(14'318'181)/3);
- m_maincpu->set_addrmap(AS_PROGRAM, &ax20_state::ax20_map);
- m_maincpu->set_addrmap(AS_IO, &ax20_state::ax20_io);
-
- /* video hardware */
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER, rgb_t::green()));
- screen.set_refresh_hz(50);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
- screen.set_screen_update(FUNC(ax20_state::screen_update));
- screen.set_size(80*8, 24*12);
- screen.set_visarea(0, 80*8-1, 0, 24*12-1);
- screen.set_palette(m_palette);
- GFXDECODE(config, m_gfxdecode, m_palette, gfx_ax20);
- PALETTE(config, m_palette, palette_device::MONOCHROME);
-
- I8272A(config, m_fdc, 8'000'000, true);
-
- /* Devices */
- FLOPPY_CONNECTOR(config, "fdc:0", ax20_floppies, "525dd", isa8_fdc_device::floppy_formats);
-}
-
-/* ROM definition */
-ROM_START( ax20 )
- ROM_REGION( 0x0800, "ipl", 0 )
- ROM_LOAD( "ax20-s.rom", 0x0000, 0x0800, CRC(f11f95b9) SHA1(59949332dd431fcf8211c2d556e1f49351e90750))
-
- ROM_REGION( 0x4000, "chargen", 0 )
- ROM_LOAD( "ax20-g.rom", 0x0000, 0x0800, CRC(90bcef80) SHA1(922067fd7316de9e69b9600c793ada5c87197eeb))
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1982, ax20, 0, 0, ax20, ax20, ax20_state, empty_init, "Axel", "AX-20", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )