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Diffstat (limited to 'src/mess/drivers/zrt80.c')
-rw-r--r--src/mess/drivers/zrt80.c323
1 files changed, 0 insertions, 323 deletions
diff --git a/src/mess/drivers/zrt80.c b/src/mess/drivers/zrt80.c
deleted file mode 100644
index fa192a2050a..00000000000
--- a/src/mess/drivers/zrt80.c
+++ /dev/null
@@ -1,323 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
- DEC ZRT-80
-
- 12/05/2009 Skeleton driver.
-
- 16/02/2011 Working.
-
- The beeper is external, frequency not known. I've made a reasonable
- assumption of frequency and lengths.
-
- Make sure 'mode' dipswitch is set to 'local' so you can see your
- typing.
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "video/mc6845.h"
-#include "machine/ins8250.h"
-#include "machine/keyboard.h"
-#include "sound/beep.h"
-
-#define KEYBOARD_TAG "keyboard"
-
-class zrt80_state : public driver_device
-{
-public:
- enum
- {
- TIMER_BEEP_OFF
- };
-
- zrt80_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_p_videoram(*this, "videoram"),
- m_maincpu(*this, "maincpu"),
- m_crtc(*this, "crtc"),
- m_8250(*this, "ins8250"),
- m_beep(*this, "beeper"),
- m_palette(*this, "palette")
- {
- }
-
- DECLARE_READ8_MEMBER(zrt80_10_r);
- DECLARE_WRITE8_MEMBER(zrt80_30_w);
- DECLARE_WRITE8_MEMBER(zrt80_38_w);
- DECLARE_WRITE8_MEMBER(kbd_put);
- MC6845_UPDATE_ROW(crtc_update_row);
- const UINT8 *m_p_chargen;
- required_shared_ptr<UINT8> m_p_videoram;
-protected:
- virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
-private:
- UINT8 m_term_data;
- virtual void machine_reset();
- virtual void video_start();
- required_device<cpu_device> m_maincpu;
- required_device<mc6845_device> m_crtc;
- required_device<ins8250_device> m_8250;
- required_device<beep_device> m_beep;
-public:
- required_device<palette_device> m_palette;
-};
-
-
-READ8_MEMBER( zrt80_state::zrt80_10_r )
-{
- UINT8 ret = m_term_data;
- m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
- return ret;
-}
-
-void zrt80_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
-{
- switch (id)
- {
- case TIMER_BEEP_OFF:
- m_beep->set_state(0);
- break;
- default:
- assert_always(FALSE, "Unknown id in zrt80_state::device_timer");
- }
-}
-
-
-WRITE8_MEMBER(zrt80_state::zrt80_30_w)
-{
- timer_set(attotime::from_msec(100), TIMER_BEEP_OFF);
- m_beep->set_state(1);
-}
-
-WRITE8_MEMBER(zrt80_state::zrt80_38_w)
-{
- timer_set(attotime::from_msec(400), TIMER_BEEP_OFF);
- m_beep->set_state(1);
-}
-
-static ADDRESS_MAP_START(zrt80_mem, AS_PROGRAM, 8, zrt80_state)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x0000, 0x0fff) AM_ROM // Z25 - Main firmware
- AM_RANGE(0x1000, 0x1fff) AM_ROM // Z24 - Expansion
- AM_RANGE(0x4000, 0x43ff) AM_RAM // Board RAM
- // Normally video RAM is 0x800 but could be expanded up to 8K
- AM_RANGE(0xc000, 0xdfff) AM_RAM AM_SHARE("videoram") // Video RAM
-
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START( zrt80_io, AS_IO, 8, zrt80_state)
- ADDRESS_MAP_UNMAP_HIGH
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x00, 0x07) AM_DEVREADWRITE("ins8250", ins8250_device, ins8250_r, ins8250_w )
- AM_RANGE(0x08, 0x08) AM_DEVWRITE("crtc", mc6845_device, address_w)
- AM_RANGE(0x09, 0x09) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
- AM_RANGE(0x10, 0x17) AM_READ(zrt80_10_r)
- AM_RANGE(0x18, 0x1F) AM_READ_PORT("DIPSW2")
- AM_RANGE(0x20, 0x27) AM_READ_PORT("DIPSW3")
- AM_RANGE(0x30, 0x37) AM_WRITE(zrt80_30_w)
- AM_RANGE(0x38, 0x3F) AM_WRITE(zrt80_38_w)
-ADDRESS_MAP_END
-
-/* Input ports */
-static INPUT_PORTS_START( zrt80 )
- PORT_START("DIPSW1")
- PORT_DIPNAME( 0x01, 0x01, "Composite Sync" )
- PORT_DIPSETTING( 0x01, "Negative" )
- PORT_DIPSETTING( 0x00, "Positive" )
- PORT_DIPNAME( 0x02, 0x02, "Vertical Sync" )
- PORT_DIPSETTING( 0x02, "Negative" )
- PORT_DIPSETTING( 0x00, "Positive" )
- PORT_DIPNAME( 0x04, 0x00, "Video" )
- PORT_DIPSETTING( 0x04, "Negative" )
- PORT_DIPSETTING( 0x00, "Positive" )
- PORT_DIPNAME( 0x08, 0x08, "Keypad" )
- PORT_DIPSETTING( 0x08, "Numeric" )
- PORT_DIPSETTING( 0x00, "Alternate Keyboard" )
- PORT_DIPNAME( 0x10, 0x10, "Horizontal Sync" )
- PORT_DIPSETTING( 0x10, "Negative" )
- PORT_DIPSETTING( 0x00, "Positive" )
- PORT_DIPNAME( 0x20, 0x20, "CPU" )
- PORT_DIPSETTING( 0x20, "Operating" )
- PORT_DIPSETTING( 0x00, "Reset" )
- PORT_DIPNAME( 0x40, 0x40, "Keyboard strobe" )
- PORT_DIPSETTING( 0x40, "Negative" )
- PORT_DIPSETTING( 0x00, "Positive" )
- PORT_DIPNAME( 0x80, 0x00, "Beeper" )
- PORT_DIPSETTING( 0x80, "Silent" )
- PORT_DIPSETTING( 0x00, "Enable" )
- PORT_START("DIPSW2")
- PORT_DIPNAME( 0x0f, 0x05, "Baud rate" )
- PORT_DIPSETTING( 0x00, "50" )
- PORT_DIPSETTING( 0x01, "75" )
- PORT_DIPSETTING( 0x02, "110" )
- PORT_DIPSETTING( 0x03, "134.5" )
- PORT_DIPSETTING( 0x04, "150" )
- PORT_DIPSETTING( 0x05, "300" )
- PORT_DIPSETTING( 0x06, "600" )
- PORT_DIPSETTING( 0x07, "1200" )
- PORT_DIPSETTING( 0x08, "1800" )
- PORT_DIPSETTING( 0x09, "2000" )
- PORT_DIPSETTING( 0x0a, "2400" )
- PORT_DIPSETTING( 0x0b, "3600" )
- PORT_DIPSETTING( 0x0c, "4800" )
- PORT_DIPSETTING( 0x0d, "7200" )
- PORT_DIPSETTING( 0x0e, "9600" )
- PORT_DIPSETTING( 0x0f, "19200" )
- PORT_DIPNAME( 0x30, 0x20, "Parity" )
- PORT_DIPSETTING( 0x00, "Odd" )
- PORT_DIPSETTING( 0x10, "Even" )
- PORT_DIPSETTING( 0x20, "Marking" )
- PORT_DIPSETTING( 0x30, "Spacing" )
- PORT_DIPNAME( 0x40, 0x40, "Handshake" )
- PORT_DIPSETTING( 0x40, "CTS" )
- PORT_DIPSETTING( 0x00, "XON/XOFF" )
- PORT_DIPNAME( 0x80, 0x80, "Line Feed" )
- PORT_DIPSETTING( 0x80, "No LF on CR" )
- PORT_DIPSETTING( 0x00, "Auto" )
- PORT_START("DIPSW3")
- PORT_DIPNAME( 0x07, 0x07, "Display" )
- PORT_DIPSETTING( 0x00, "96 x 24 15750Hz, 50Hz" )
- PORT_DIPSETTING( 0x01, "80 x 48 15750Hz, 50Hz" )
- PORT_DIPSETTING( 0x02, "80 x 24 15750Hz, 50Hz" )
- PORT_DIPSETTING( 0x03, "96 x 24 15750Hz, 60Hz" )
- PORT_DIPSETTING( 0x04, "80 x 48 18700Hz, 50Hz" )
- PORT_DIPSETTING( 0x05, "80 x 24 17540Hz, 60Hz" )
- PORT_DIPSETTING( 0x06, "80 x 48 15750Hz, 60Hz" )
- PORT_DIPSETTING( 0x07, "80 x 24 15750Hz, 60Hz" )
- PORT_DIPNAME( 0x18, 0x18, "Emulation" )
- PORT_DIPSETTING( 0x00, "Adds" )
- PORT_DIPSETTING( 0x08, "Beehive" )
- PORT_DIPSETTING( 0x10, "LSI ADM-3" )
- PORT_DIPSETTING( 0x18, "Heath H-19" )
- PORT_DIPNAME( 0x20, 0x00, "Mode" )
- PORT_DIPSETTING( 0x20, "Line" )
- PORT_DIPSETTING( 0x00, "Local" )
- PORT_DIPNAME( 0x40, 0x40, "Duplex" )
- PORT_DIPSETTING( 0x40, "Full" )
- PORT_DIPSETTING( 0x00, "Half" )
- PORT_DIPNAME( 0x80, 0x80, "Wraparound" )
- PORT_DIPSETTING( 0x80, "Disabled" )
- PORT_DIPSETTING( 0x00, "Enabled" )
-INPUT_PORTS_END
-
-
-void zrt80_state::machine_reset()
-{
- m_beep->set_frequency(800);
- m_term_data = 0;
-}
-
-void zrt80_state::video_start()
-{
- m_p_chargen = memregion("chargen")->base();
-}
-
-MC6845_UPDATE_ROW( zrt80_state::crtc_update_row )
-{
- const rgb_t *palette = m_palette->palette()->entry_list_raw();
- UINT8 chr,gfx,inv;
- UINT16 mem,x;
- UINT32 *p = &bitmap.pix32(y);
- UINT8 polarity = ioport("DIPSW1")->read() & 4 ? 0xff : 0;
-
- for (x = 0; x < x_count; x++)
- {
- inv = polarity;
- if (x == cursor_x) inv ^= 0xff;
- mem = (ma + x) & 0x1fff;
- chr = m_p_videoram[mem];
-
- if BIT(chr, 7)
- {
- inv ^= 0xff;
- chr &= 0x7f;
- }
-
- gfx = m_p_chargen[(chr<<4) | ra] ^ inv;
-
- /* Display a scanline of a character */
- *p++ = palette[BIT(gfx, 7)];
- *p++ = palette[BIT(gfx, 6)];
- *p++ = palette[BIT(gfx, 5)];
- *p++ = palette[BIT(gfx, 4)];
- *p++ = palette[BIT(gfx, 3)];
- *p++ = palette[BIT(gfx, 2)];
- *p++ = palette[BIT(gfx, 1)];
- *p++ = palette[BIT(gfx, 0)];
- }
-}
-
-WRITE8_MEMBER( zrt80_state::kbd_put )
-{
- m_term_data = data;
- m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
-}
-
-/* F4 Character Displayer */
-static const gfx_layout zrt80_charlayout =
-{
- 8, 16, /* 8 x 16 characters */
- 128, /* 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( zrt80 )
- GFXDECODE_ENTRY( "chargen", 0x0000, zrt80_charlayout, 0, 1 )
-GFXDECODE_END
-
-static MACHINE_CONFIG_START( zrt80, zrt80_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu",Z80, XTAL_2_4576MHz)
- MCFG_CPU_PROGRAM_MAP(zrt80_mem)
- MCFG_CPU_IO_MAP(zrt80_io)
-
- /* video hardware */
- MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_REFRESH_RATE(60)
- MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
- MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update)
- MCFG_SCREEN_SIZE(640, 200)
- MCFG_SCREEN_VISIBLE_AREA(0, 640 - 1, 0, 200 - 1)
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", zrt80)
- MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette")
-
- /* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_SOUND_ADD("beeper", BEEP, 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
-
- /* Devices */
- MCFG_MC6845_ADD("crtc", MC6845, "screen", XTAL_20MHz / 8)
- MCFG_MC6845_SHOW_BORDER_AREA(false)
- MCFG_MC6845_CHAR_WIDTH(8) /*?*/
- MCFG_MC6845_UPDATE_ROW_CB(zrt80_state, crtc_update_row)
-
- MCFG_DEVICE_ADD( "ins8250", INS8250, 2457600 )
- MCFG_INS8250_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
- MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0)
- MCFG_GENERIC_KEYBOARD_CB(WRITE8(zrt80_state, kbd_put))
-MACHINE_CONFIG_END
-
-/* ROM definition */
-ROM_START( zrt80 )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD("zrt80mon.z25", 0x0000, 0x1000, CRC(e6ea96dc) SHA1(e3075e30bb2b85f9288d0b8b8cdf1d2b4f7586fd) )
- //z24 is 2nd chip, used as expansion
-
- ROM_REGION( 0x0800, "chargen", 0 )
- ROM_LOAD("zrt80chr.z30", 0x0000, 0x0800, CRC(4dbdc60f) SHA1(20e393f7207a8440029c8290cdf2f121d317a37e) )
-ROM_END
-
-/* Driver */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
-COMP( 1982, zrt80, 0, 0, zrt80, zrt80, driver_device, 0, "Digital Research Computers", "ZRT-80", 0)