summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/vta2000.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/vta2000.cpp')
-rw-r--r--src/mame/drivers/vta2000.cpp239
1 files changed, 0 insertions, 239 deletions
diff --git a/src/mame/drivers/vta2000.cpp b/src/mame/drivers/vta2000.cpp
deleted file mode 100644
index 23e2226eafe..00000000000
--- a/src/mame/drivers/vta2000.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
- VTA-2000 Terminal
-
- board images : http://fotki.yandex.ru/users/lodedome/album/93699?p=0
-
- BDP-15 board only
-
- 29/11/2010 Skeleton driver.
-
-Better known on the net as BTA2000-15m.
-It is a green-screen terminal, using RS232, and supposedly VT100 compatible.
-The top line is a status line.
-
-Note: port 0 bit 4 is NOT a speaker bit. See code at 027B.
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/i8085/i8085.h"
-#include "machine/i8251.h"
-#include "machine/pit8253.h"
-#include "machine/pic8259.h"
-#include "sound/spkrdev.h"
-#include "emupal.h"
-#include "screen.h"
-#include "speaker.h"
-
-
-class vta2000_state : public driver_device
-{
-public:
- vta2000_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_mainpit(*this, "mainpit")
- , m_speaker(*this, "speaker")
- , m_p_videoram(*this, "videoram")
- , m_p_chargen(*this, "chargen")
- { }
-
- void vta2000(machine_config &config);
-private:
- DECLARE_WRITE8_MEMBER(output_00);
- DECLARE_WRITE_LINE_MEMBER(speaker_w);
-
- uint32_t screen_update_vta2000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
-
- void mem_map(address_map &map);
- void io_map(address_map &map);
-
- virtual void machine_reset() override;
- required_device<cpu_device> m_maincpu;
- required_device<pit8253_device> m_mainpit;
- required_device<speaker_sound_device> m_speaker;
- required_shared_ptr<uint8_t> m_p_videoram;
- required_region_ptr<u8> m_p_chargen;
-};
-
-WRITE8_MEMBER(vta2000_state::output_00)
-{
- m_mainpit->write_gate0(BIT(data, 4));
-}
-
-WRITE_LINE_MEMBER(vta2000_state::speaker_w)
-{
- m_speaker->level_w(state);
-}
-
-void vta2000_state::mem_map(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x5fff).rom().region("roms", 0);
- map(0x8000, 0xc7ff).ram().share("videoram");
- map(0xc800, 0xc8ff).rom().region("roms", 0x5000);
-}
-
-void vta2000_state::io_map(address_map &map)
-{
- map.unmap_value_high();
- map(0x00, 0x00).w(FUNC(vta2000_state::output_00));
- map(0x20, 0x21).rw("pic", FUNC(pic8259_device::read), FUNC(pic8259_device::write));
- map(0xc0, 0xc0).rw("usart", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
- map(0xc3, 0xc3).rw("usart", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
- map(0xc8, 0xcb).w("brgpit", FUNC(pit8253_device::write));
- map(0xe0, 0xe3).rw("mainpit", FUNC(pit8253_device::read), FUNC(pit8253_device::write));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( vta2000 )
-INPUT_PORTS_END
-
-
-void vta2000_state::machine_reset()
-{
-}
-
-uint32_t vta2000_state::screen_update_vta2000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-/* Cursor is missing. */
-{
- static uint8_t framecnt=0;
- uint8_t y,ra,gfx,attr,fg,bg;
- uint16_t sy=0,ma=0,x,xx=0,chr;
-
- framecnt++;
-
- for (y = 0; y < 25; y++)
- {
- for (ra = 0; ra < 12; ra++)
- {
- uint16_t *p = &bitmap.pix16(sy++);
-
- xx = ma << 1;
- for (x = ma; x < ma + 80; x++)
- {
- chr = m_p_videoram[xx++];
- attr = m_p_videoram[xx++];
-
- if ((chr & 0x60)==0x60)
- chr+=256;
-
- gfx = m_p_chargen[(chr<<4) | ra ];
- bg = 0;
-
- /* Process attributes */
- if (BIT(attr, 4))
- {
- gfx ^= 0xff; // reverse video
- bg = 2;
- }
- if (BIT(attr, 0))
- fg = 2; // highlight
- else
- fg = 1;
- if ((BIT(attr, 1)) && (BIT(framecnt, 5)))
- gfx = 0; // blink
- if ((BIT(attr, 5)) && (ra == 10))
- {
- gfx = 0xff; // underline
- fg = 2;
- }
-
- /* Display a scanline of a character */
- *p++ = BIT(gfx, 7) ? fg : bg;
- *p++ = BIT(gfx, 6) ? fg : bg;
- *p++ = BIT(gfx, 5) ? fg : bg;
- *p++ = BIT(gfx, 4) ? fg : bg;
- *p++ = BIT(gfx, 3) ? fg : bg;
- *p++ = BIT(gfx, 2) ? fg : bg;
- *p++ = BIT(gfx, 1) ? fg : bg;
- *p++ = BIT(gfx, 0) ? fg : bg;
- }
- }
- if (y)
- ma+=132;
- else
- ma+=80;
- }
- return 0;
-}
-
-
-/* F4 Character Displayer */
-static const gfx_layout vta2000_charlayout =
-{
- 8, 16, /* 8 x 16 characters */
- 512, /* 128 characters */
- 1, /* 1 bits per pixel */
- { 0 }, /* no bitplanes */
- /* x offsets */
- { 0, 1, 2, 3, 4, 5, 6, 7 },
- /* y offsets */
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
- 8*16 /* every char takes 16 bytes */
-};
-
-static GFXDECODE_START( gfx_vta2000 )
- GFXDECODE_ENTRY( "chargen", 0x0000, vta2000_charlayout, 0, 1 )
-GFXDECODE_END
-
-void vta2000_state::vta2000(machine_config &config)
-{
- /* basic machine hardware */
- I8080(config, m_maincpu, XTAL(4'000'000) / 4);
- m_maincpu->set_addrmap(AS_PROGRAM, &vta2000_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &vta2000_state::io_map);
- m_maincpu->set_irq_acknowledge_callback("pic", FUNC(pic8259_device::inta_cb));
-
- PIT8253(config, m_mainpit, 0);
- m_mainpit->set_clk<0>(500'000);
- m_mainpit->out_handler<0>().set(FUNC(vta2000_state::speaker_w));
-
- pic8259_device &pic(PIC8259(config, "pic", 0));
- pic.in_sp_callback().set_constant(0);
- pic.out_int_callback().set_inputline(m_maincpu, 0);
-
- i8251_device &usart(I8251(config, "usart", XTAL(4'000'000) / 4));
- usart.rxrdy_handler().set("pic", FUNC(pic8259_device::ir4_w));
-
- pit8253_device &brgpit(PIT8253(config, "brgpit", 0));
- brgpit.set_clk<0>(1'228'800); // maybe
- brgpit.set_clk<1>(1'228'800);
- brgpit.out_handler<0>().set("usart", FUNC(i8251_device::write_rxc));
- brgpit.out_handler<1>().set("usart", FUNC(i8251_device::write_txc)); // or vice versa?
-
- /* 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_size(80*8, 25*12);
- screen.set_visarea(0, 80*8-1, 0, 25*12-1);
- screen.set_screen_update(FUNC(vta2000_state::screen_update_vta2000));
- screen.set_palette("palette");
-
- PALETTE(config, "palette", palette_device::MONOCHROME_HIGHLIGHT);
- GFXDECODE(config, "gfxdecode", "palette", gfx_vta2000);
-
- SPEAKER(config, "mono").front_center();
- SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.5);
-}
-
-
-/* ROM definition */
-ROM_START( vta2000 )
- ROM_REGION( 0x6000, "roms", 0 )
- ROM_LOAD( "bdp-15_11.rom", 0x4000, 0x2000, CRC(d4abe3e9) SHA1(ab1973306e263b0f66f2e1ede50cb5230f8d69d5) )
- ROM_LOAD( "bdp-15_12.rom", 0x2000, 0x2000, CRC(4a5fe332) SHA1(f1401c26687236184fec0558cc890e796d7d5c77) )
- ROM_LOAD( "bdp-15_13.rom", 0x0000, 0x2000, CRC(b6b89d90) SHA1(0356d7ba77013b8a79986689fb22ef4107ef885b) )
-
- ROM_REGION(0x2000, "chargen", ROMREGION_INVERT )
- ROM_LOAD( "bdp-15_14.rom", 0x0000, 0x2000, CRC(a1dc4f8e) SHA1(873fd211f44713b713d73163de2d8b5db83d2143) )
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 19??, vta2000, 0, 0, vta2000, vta2000, vta2000_state, empty_init, "<unknown>", "VTA2000-15m", MACHINE_NOT_WORKING )