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Diffstat (limited to 'src/mame/drivers/ax20.cpp')
-rw-r--r-- | src/mame/drivers/ax20.cpp | 171 |
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 ) |