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-rw-r--r--src/mame/drivers/att4425.cpp317
1 files changed, 0 insertions, 317 deletions
diff --git a/src/mame/drivers/att4425.cpp b/src/mame/drivers/att4425.cpp
deleted file mode 100644
index 0dab4bf2d4b..00000000000
--- a/src/mame/drivers/att4425.cpp
+++ /dev/null
@@ -1,317 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Sergey Svishchev
-/***************************************************************************
-
- AT&T model 4425 text terminal with mosaic graphics character set
- Also known as Teletype model 56D.
-
- Skeleton driver. This terminal is supported by netpbm -- pbmto4425(1)
-
- To do:
- - keyboard
- - everything else
-
-****************************************************************************/
-
-
-#include "emu.h"
-
-#include "cpu/z80/z80.h"
-#include "machine/clock.h"
-#include "machine/i8251.h"
-#include "machine/ram.h"
-#include "machine/z80ctc.h"
-#include "machine/z80sio.h"
-
-#include "bus/rs232/rs232.h"
-#include "machine/keyboard.h"
-
-#include "emupal.h"
-#include "screen.h"
-
-
-#define SCREEN_TAG "screen"
-#define Z80_TAG "maincpu"
-#define Z80CTC_TAG "z80ctc"
-#define Z80SIO_TAG "z80sio"
-#define RS232_A_TAG "sioa"
-#define RS232_B_TAG "siob"
-#define I8251_TAG "i8251"
-
-class att4425_state : public driver_device
-{
-public:
- att4425_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, Z80_TAG)
- , m_i8251(*this, I8251_TAG)
- , m_sio(*this, Z80SIO_TAG)
- , m_p_videoram(*this, "videoram")
- , m_p_chargen(*this, "chargen")
- , m_screen(*this, SCREEN_TAG)
- { }
-
- void att4425(machine_config &config);
-
-private:
- DECLARE_WRITE8_MEMBER(port10_w);
- DECLARE_WRITE8_MEMBER(port14_w);
- DECLARE_READ8_MEMBER(port14_r);
- DECLARE_READ8_MEMBER(port15_r);
-
- DECLARE_WRITE_LINE_MEMBER(write_line_clock);
- DECLARE_WRITE_LINE_MEMBER(write_keyboard_clock);
-
- uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
-
- virtual void machine_start() override;
- virtual void video_start() override;
- void att4425_io(address_map &map);
- void att4425_mem(address_map &map);
-
- required_device<z80_device> m_maincpu;
- required_device<i8251_device> m_i8251;
- required_device<z80sio_device> m_sio;
- required_shared_ptr<uint8_t> m_p_videoram;
- required_region_ptr<u8> m_p_chargen;
- required_device<screen_device> m_screen;
-};
-
-/* Memory Maps */
-
-WRITE8_MEMBER(att4425_state::port10_w)
-{
- logerror("Writing %02X to port 10\n", data);
-}
-
-WRITE8_MEMBER(att4425_state::port14_w)
-{
- logerror("Writing %02X to port 14\n", data);
-}
-
-READ8_MEMBER(att4425_state::port14_r)
-{
- // only complement of bit 0 used?
- return 0;
-}
-
-READ8_MEMBER(att4425_state::port15_r)
-{
- // status of something (at least bits 2 and 3 used)
- return 0;
-}
-
-void att4425_state::att4425_mem(address_map &map)
-{
- map(0x0000, 0x7fff).rom().region(Z80_TAG, 0);
- map(0x8000, 0xffff).ram().share("videoram"); // c000..f7af?
-}
-
-void att4425_state::att4425_io(address_map &map)
-{
- map.global_mask(0xff);
- map(0x00, 0x01).rw(m_i8251, FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x10, 0x10).w(FUNC(att4425_state::port10_w));
- map(0x14, 0x14).rw(FUNC(att4425_state::port14_r), FUNC(att4425_state::port14_w));
- map(0x15, 0x15).r(FUNC(att4425_state::port15_r));
- map(0x18, 0x1b).rw(Z80CTC_TAG, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
- map(0x1c, 0x1f).rw(m_sio, FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w));
-}
-
-/* Input Ports */
-
-static INPUT_PORTS_START( att4425 )
-INPUT_PORTS_END
-
-/* Video */
-
-void att4425_state::video_start()
-{
-}
-
-uint32_t att4425_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- uint8_t y, ra, gfx, fg, bg, chr, attr;
- uint16_t sy = 0, ma, x, ca;
-
- fg = 2;
- bg = 0;
-
- for (y = 0; y < 27; y++)
- {
- ma = 0x7e9c + 4 * (81 - 27 + y);
- ma = (m_p_videoram[ma] << 8) + m_p_videoram[ma + 1] - 0x8000;
-
- for (ra = 0; ra < 13; ra++)
- {
- uint16_t *p = &bitmap.pix16(sy++);
-
- for (x = ma; x < ma + 160; x += 2)
- {
- chr = m_p_videoram[x + 1];
- attr = m_p_videoram[x];
- ca = (chr << 4) & 0x7f0;
-
- // font 2
- if (attr & 0x01)
- ca += 0x0800;
-
- // underline
- if (attr & 0x10 && ra == 12)
- gfx = 0xff;
- else
- gfx = m_p_chargen[ca | ra] ^ 255;
-
- // dim
- if (attr & 0x02)
- fg = 1;
- else
- fg = 2;
-
- // conceal
- if (attr & 0x04)
- fg = bg;
-
- // reverse video
- if (attr & 0x20)
- gfx ^= 255;
-
- /* Display a scanline of a character */
- for (int i = 7; i >= 0; i--)
- {
- *p++ = BIT(gfx, i) ? fg : bg;
- }
- *p++ = bg;
- }
- }
- }
- return 0;
-}
-
-static const gfx_layout att4425_charlayout =
-{
- 8, 13,
- RGN_FRAC(1,1),
- 1,
- { 0 },
- { STEP8(0,1) },
- { 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, },
- 16*8
-};
-
-static GFXDECODE_START( gfx_att4425 )
- GFXDECODE_ENTRY( "chargen", 0x0000, att4425_charlayout, 0, 1 )
-GFXDECODE_END
-
-/* Machine Initialization */
-
-void att4425_state::machine_start()
-{
-}
-
-/* Machine Driver */
-
-WRITE_LINE_MEMBER(att4425_state::write_line_clock)
-{
- m_sio->rxca_w(state);
- m_sio->txca_w(state);
- m_sio->rxtxcb_w(state);
-}
-
-WRITE_LINE_MEMBER(att4425_state::write_keyboard_clock)
-{
- m_i8251->write_txc(state);
- m_i8251->write_rxc(state);
-}
-
-static const z80_daisy_config att4425_daisy_chain[] =
-{
- // XXX order is unknown
- { Z80SIO_TAG },
- { Z80CTC_TAG },
- { nullptr }
-};
-
-void att4425_state::att4425(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, XTAL(32'000'000)/8); // XXX
- m_maincpu->set_addrmap(AS_PROGRAM, &att4425_state::att4425_mem);
- m_maincpu->set_addrmap(AS_IO, &att4425_state::att4425_io);
- m_maincpu->set_daisy_config(att4425_daisy_chain);
-
- /* video hardware */
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER, rgb_t::green());
- m_screen->set_refresh_hz(50);
- m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
- m_screen->set_screen_update(FUNC(att4425_state::screen_update));
- m_screen->set_palette("palette");
- m_screen->set_size(720, 351);
- m_screen->set_visarea(0, 720-1, 0, 351-1);
- GFXDECODE(config, "gfxdecode", "palette", gfx_att4425);
- PALETTE(config, "palette", palette_device::MONOCHROME_HIGHLIGHT);
-
- // ch.3 -- timer?
- z80ctc_device& ctc(Z80CTC(config, Z80CTC_TAG, XTAL(32'000'000))); // XXX;
- ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
-#ifdef notdef
- ctc.zc_callback<0>().set(m_sio, FUNC(z80sio_device::rxca_w));
- ctc.zc_callback<0>().append(m_sio, FUNC(z80sio_device::txca_w));
- ctc.zc_callback<2>().set(m_sio, FUNC(z80sio_device::rxtxcb_w));
-#endif
-
- Z80SIO(config, m_sio, 4800); // XXX
- m_sio->out_int_callback().set_inputline(Z80_TAG, INPUT_LINE_IRQ0);
- m_sio->out_txda_callback().set(RS232_A_TAG, FUNC(rs232_port_device::write_txd));
- m_sio->out_dtra_callback().set(RS232_A_TAG, FUNC(rs232_port_device::write_dtr));
- m_sio->out_rtsa_callback().set(RS232_A_TAG, FUNC(rs232_port_device::write_rts));
- m_sio->out_txdb_callback().set(RS232_B_TAG, FUNC(rs232_port_device::write_txd));
-
- // host
- rs232_port_device &rs232a(RS232_PORT(config, RS232_A_TAG, default_rs232_devices, "null_modem"));
- rs232a.rxd_handler().set(m_sio, FUNC(z80sio_device::rxa_w));
- rs232a.dcd_handler().set(m_sio, FUNC(z80sio_device::dcda_w));
- rs232a.cts_handler().set(m_sio, FUNC(z80sio_device::ctsa_w));
-
- // aux printer?
- rs232_port_device &rs232b(RS232_PORT(config, RS232_B_TAG, default_rs232_devices, "printer"));
- rs232b.rxd_handler().set(m_sio, FUNC(z80sio_device::rxb_w));
-
- // XXX
- clock_device &line_clock(CLOCK(config, "line_clock", 9600*64));
- line_clock.signal_handler().set(FUNC(att4425_state::write_line_clock));
-
- I8251(config, m_i8251, 0);
- m_i8251->txd_handler().set("rs232", FUNC(rs232_port_device::write_txd));
- m_i8251->dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr));
- m_i8251->rts_handler().set("rs232", FUNC(rs232_port_device::write_rts));
-
- rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "keyboard"));
- rs232.rxd_handler().set(m_i8251, FUNC(i8251_device::write_rxd));
- rs232.cts_handler().set(m_i8251, FUNC(i8251_device::write_cts));
- rs232.dsr_handler().set(m_i8251, FUNC(i8251_device::write_dsr));
-
- // XXX
- clock_device &keyboard_clock(CLOCK(config, "keyboard_clock", 4800*64));
- keyboard_clock.signal_handler().set(FUNC(att4425_state::write_keyboard_clock));
-
- RAM(config, RAM_TAG).set_default_size("32K").set_default_value(0);
-}
-
-/* ROMs */
-
-ROM_START( att4425 )
- ROM_REGION( 0x8000, Z80_TAG, 0 )
- ROM_LOAD( "455773-1.bin", 0x0000, 0x2000, CRC(d216515b) SHA1(6e098c35f8fe6be4f28a577a43145c92972041b1) )
- ROM_LOAD( "455774-1.bin", 0x2000, 0x2000, CRC(636c069a) SHA1(c00648eae44c574b983de6a0ba6cf74a7f07b098) )
- ROM_LOAD( "456305-1.bin", 0x4000, 0x2000, CRC(43cbf638) SHA1(939569e65957370ab8e60d4f90179373b72b9573) )
- ROM_LOAD( "456306-1.bin", 0x6000, 0x2000, CRC(e4f2b0f1) SHA1(c80c2b7219b313b4924834b0a9d1d42536d1ae63) )
-
- ROM_REGION( 0x2000, "chargen", 0 )
- ROM_LOAD( "char.bin", 0x0000, 0x2000, CRC(cca962cc) SHA1(201d97b954f782ceae8d17a08fb9a1c4d5ae7a58) )
-ROM_END
-
-/* System Drivers */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1983, att4425, 0, 0, att4425, att4425, att4425_state, empty_init, "AT&T", "AT&T Teletype 4425", MACHINE_IS_SKELETON )