New machines added as NOT_WORKING:

- Televideo TV910 [Al Kossow, R. Belmont]
This commit is contained in:
arbee 2016-11-11 22:13:48 -05:00
parent 2b6ce2a5c3
commit 08ae0123bb
4 changed files with 557 additions and 0 deletions

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@ -2860,6 +2860,7 @@ files {
MAME_DIR .. "src/mame/drivers/ts802.cpp",
MAME_DIR .. "src/mame/drivers/ts803.cpp",
MAME_DIR .. "src/mame/drivers/ts816.cpp",
MAME_DIR .. "src/mame/drivers/tv910.cpp",
MAME_DIR .. "src/mame/drivers/tv950.cpp",
MAME_DIR .. "src/mame/drivers/tv990.cpp",
}

552
src/mame/drivers/tv910.cpp Normal file
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@ -0,0 +1,552 @@
// license:BSD-3-Clause
// copyright-holders: R. Belmont
/***************************************************************************
TeleVideo TV-910 / 910 Plus
Preliminary driver by R. Belmont
Hardware:
6502 CPU
6545 CRTC
6551 ACIA
IRQ = ACIA wire-OR CRTC VBlank
NMI = AY-5-3600 keyboard char present
TODO:
- Character attributes: how is that even possible? (Esc-V brings up test screen)
- DIP switches don't all appear to have the expected effects
- Keyboard hookup isn't quite right
****************************************************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "video/mc6845.h"
#include "machine/mos6551.h"
#include "machine/kb3600.h"
#include "bus/rs232/rs232.h"
#define ACIA_TAG "acia1"
#define CRTC_TAG "crtc"
#define RS232_TAG "rs232"
#define KBDC_TAG "ay3600"
#define MASTER_CLOCK (13608000)
class tv910_state : public driver_device
{
public:
tv910_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_crtc(*this, CRTC_TAG)
, m_vram(*this, "vram")
, m_ay3600(*this, KBDC_TAG)
, m_kbdrom(*this, "keyboard")
, m_kbspecial(*this, "keyb_special")
{ }
virtual void machine_start() override;
virtual void machine_reset() override;
MC6845_UPDATE_ROW(crtc_update_row);
MC6845_ON_UPDATE_ADDR_CHANGED(crtc_update_addr);
DECLARE_READ8_MEMBER(charset_r);
DECLARE_READ8_MEMBER(kbd_ascii_r);
DECLARE_READ8_MEMBER(kbd_flags_r);
DECLARE_WRITE8_MEMBER(vbl_ack_w);
DECLARE_WRITE8_MEMBER(nmi_ack_w);
DECLARE_WRITE8_MEMBER(control_w);
DECLARE_WRITE_LINE_MEMBER(vbl_w);
DECLARE_WRITE_LINE_MEMBER(acia_irq_w);
DECLARE_READ_LINE_MEMBER(ay3600_shift_r);
DECLARE_READ_LINE_MEMBER(ay3600_control_r);
DECLARE_WRITE_LINE_MEMBER(ay3600_data_ready_w);
DECLARE_WRITE_LINE_MEMBER(ay3600_ako_w);
required_device<m6502_device> m_maincpu;
required_device<r6545_1_device> m_crtc;
required_shared_ptr<uint8_t> m_vram;
required_device<ay3600_device> m_ay3600;
required_memory_region m_kbdrom;
required_ioport m_kbspecial;
private:
uint8_t *m_vramptr, *m_chrrom;
uint16_t m_lastchar, m_strobe;
uint8_t m_transchar;
bool m_anykeydown;
int m_repeatdelay;
uint8_t m_control;
bool m_vbl_irq, m_aica_irq;
};
static ADDRESS_MAP_START(tv910_mem, AS_PROGRAM, 8, tv910_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x03ff) AM_RAM
AM_RANGE(0x4000, 0x47ff) AM_RAM AM_SHARE("vram") // VRAM
AM_RANGE(0x8010, 0x801f) AM_READ(charset_r)
AM_RANGE(0x8020, 0x8020) AM_DEVREADWRITE(CRTC_TAG, r6545_1_device, status_r, address_w)
AM_RANGE(0x8021, 0x8021) AM_DEVREADWRITE(CRTC_TAG, r6545_1_device, register_r, register_w)
AM_RANGE(0x8030, 0x8033) AM_DEVREADWRITE(ACIA_TAG, mos6551_device, read, write)
AM_RANGE(0x8040, 0x804f) AM_WRITE(vbl_ack_w)
AM_RANGE(0x8050, 0x805f) AM_WRITE(nmi_ack_w)
AM_RANGE(0x8060, 0x806f) AM_READ(kbd_ascii_r)
AM_RANGE(0x8070, 0x807f) AM_READ(kbd_flags_r)
AM_RANGE(0x9000, 0x9000) AM_WRITE(control_w)
AM_RANGE(0x9001, 0x9001) AM_READ_PORT("DSW1") // S2 in the operator's manual
AM_RANGE(0x9002, 0x9002) AM_READ_PORT("DSW2") // S1 in the operator's manual
AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION("maincpu", 0)
ADDRESS_MAP_END
WRITE8_MEMBER(tv910_state::control_w)
{
m_control = data;
#if 0
printf("%02x to control (%c%c%c%c%c)\n",
data,
(data & 0x10) ? 'U' : 'B',
(data & 0x8) ? '6' : '5',
(data & 0x4) ? 'X' : ' ',
(data & 0x2) ? 'C' : 'c',
(data & 1) ? 'B' : ' ');
#endif
}
READ8_MEMBER(tv910_state::charset_r)
{
return 0; // 0 = US (TODO: make this configurable)
}
WRITE8_MEMBER(tv910_state::nmi_ack_w)
{
m_maincpu->set_input_line(M6502_NMI_LINE, CLEAR_LINE);
m_strobe = 0;
}
READ8_MEMBER(tv910_state::kbd_ascii_r)
{
return m_transchar;
}
READ8_MEMBER(tv910_state::kbd_flags_r)
{
uint8_t rv = 0;
//rv |= m_strobe ? 0x40 : 0;
//rv |= (m_kbspecial->read() & 0x01) ? 0x00 : 0x40; // caps lock
rv |= 0x40; // must be set for keyboard reads to work, but disagrees with docs?
return rv;
}
READ_LINE_MEMBER(tv910_state::ay3600_shift_r)
{
// either shift key
if (m_kbspecial->read() & 0x06)
{
return ASSERT_LINE;
}
return CLEAR_LINE;
}
READ_LINE_MEMBER(tv910_state::ay3600_control_r)
{
if (m_kbspecial->read() & 0x08)
{
return ASSERT_LINE;
}
return CLEAR_LINE;
}
WRITE_LINE_MEMBER(tv910_state::ay3600_data_ready_w)
{
if (state == ASSERT_LINE)
{
uint8_t *decode = m_kbdrom->base();
m_lastchar = m_ay3600->b_r();
m_transchar = decode[m_lastchar];
m_strobe = 1;
m_maincpu->set_input_line(M6502_NMI_LINE, ASSERT_LINE);
//printf("new char = %04x (%02x)\n", m_lastchar, m_transchar);
}
}
WRITE_LINE_MEMBER(tv910_state::ay3600_ako_w)
{
m_anykeydown = (state == ASSERT_LINE) ? true : false;
if (m_anykeydown)
{
m_repeatdelay = 10;
}
}
/* Input ports */
/*
Keyboard matrix (thanks to Al Kossow!)
X0 X1 X2 X3 X4 X5 X6 X7
Y8 BKTAB FN19 FN18 FN17
Y7 B 3 E F [ RET ` {
Y6 . 7 U K BRK SPACE BS HOME
Y5 V 2 W D P ENTER 0 DEL
Y4 , 6 Y J ' / 9 DOWN
Y3 C 1 Q S O ; = CLRSP
Y2 M 5 T H LEFT 8 UP
Y1 X ESC TAB A I L - Z
Y0 N 4 R G LF PRNT \ RIGHT
*/
static INPUT_PORTS_START( tv910 )
PORT_START("X0")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("X1")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("X2")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("X3")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("X4")
/// 001 - LF
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('\"')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
/// 040 - BRK
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[')
/// 100 - BACKTAB
PORT_START("X5")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR))
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l')
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT)
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F19) PORT_CHAR(UCHAR_MAMEKEY(F19))
PORT_START("X6")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F18) PORT_CHAR(UCHAR_MAMEKEY(F18))
PORT_START("X7")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT)
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP)
/// 008 - CLRSP
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(10) // E0 47
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('{')
PORT_START("X8")
PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("keyb_special")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Right Shift") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Control") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
PORT_START("DSW2") // "S1" in the Operator's Manual
PORT_DIPNAME( 0x0f, 0x00, "Baud rate" )
PORT_DIPSETTING( 0x0, "9600" )
PORT_DIPSETTING( 0x1, "50" )
PORT_DIPSETTING( 0x2, "75" )
PORT_DIPSETTING( 0x3, "110" )
PORT_DIPSETTING( 0x4, "135" )
PORT_DIPSETTING( 0x5, "150" )
PORT_DIPSETTING( 0x6, "300" )
PORT_DIPSETTING( 0x7, "600" )
PORT_DIPSETTING( 0x8, "1200" )
PORT_DIPSETTING( 0x9, "1800" )
PORT_DIPSETTING( 0xa, "2400" )
PORT_DIPSETTING( 0xb, "3600" )
PORT_DIPSETTING( 0xc, "4800" )
PORT_DIPSETTING( 0xd, "7200" )
PORT_DIPSETTING( 0xe, "9600" )
PORT_DIPSETTING( 0xf, "19200" )
PORT_DIPNAME( 0x10, 0x00, "Data bits" )
PORT_DIPSETTING( 0x00, "8 bits" )
PORT_DIPSETTING( 0x10, "7 bits" )
PORT_DIPNAME( 0x20, 0x00, "Parity" )
PORT_DIPSETTING( 0x00, "No Parity" )
PORT_DIPSETTING( 0x20, "Send Parity" )
PORT_DIPNAME( 0x40, 0x00, "Parity Type" )
PORT_DIPSETTING( 0x00, "Odd Parity" )
PORT_DIPSETTING( 0x40, "Even Parity" )
PORT_DIPNAME( 0x80, 0x00, "Stop Bits" )
PORT_DIPSETTING( 0x00, "1 stop bit" )
PORT_DIPSETTING( 0x80, "2 stop bits" )
PORT_START("DSW1") // "S2" in the Operator's Manual
PORT_DIPNAME( 0x03, 0x00, "Term Char")
PORT_DIPSETTING( 0x0, "0" )
PORT_DIPSETTING( 0x1, "1" )
PORT_DIPSETTING( 0x2, "2" )
PORT_DIPSETTING( 0x3, "3" )
PORT_DIPNAME( 0x0c, 0x00, "Emulation" )
PORT_DIPSETTING( 0x0, "Standard 910" )
PORT_DIPSETTING( 0x4, "ADM-3A/5" )
PORT_DIPSETTING( 0x8, "ADDS 25" )
PORT_DIPSETTING( 0xc, "Hazeltine 1410" )
PORT_DIPNAME( 0x10, 0x00, "Refresh rate" )
PORT_DIPSETTING( 0x00, "60 Hz" )
PORT_DIPSETTING( 0x10, "50 Hz" )
PORT_DIPNAME( 0x60, 0x00, "Cursor type" )
PORT_DIPSETTING( 0x00, "Blinking block" )
PORT_DIPSETTING( 0x20, "Blinking underline" )
PORT_DIPSETTING( 0x40, "Steady block" )
PORT_DIPSETTING( 0x60, "Steady underline" )
PORT_DIPNAME( 0x80, 0x00, "Duplex" )
PORT_DIPSETTING( 0x00, "Half Duplex" )
PORT_DIPSETTING( 0x80, "Full Duplex" )
#if 0
PORT_DIPNAME( 0x100, 0x000, "Colors" )
PORT_DIPSETTING( 0x00, "Black characters on white screen" )
PORT_DIPSETTING( 0x100, "White characters on black screen" )
PORT_DIPNAME( 0x200, 0x200, "Data Set Ready" )
PORT_DIPSETTING( 0x00, "DSR connected" )
PORT_DIPSETTING( 0x200, "DSR disconnected" )
#endif
INPUT_PORTS_END
void tv910_state::machine_start()
{
m_vramptr = m_vram.target();
m_chrrom = memregion("graphics")->base();
}
void tv910_state::machine_reset()
{
}
MC6845_ON_UPDATE_ADDR_CHANGED( tv910_state::crtc_update_addr )
{
}
WRITE_LINE_MEMBER(tv910_state::vbl_w)
{
// this is ACKed by vbl_ack_w, state going 0 here doesn't ack the IRQ
if (state)
{
m_vbl_irq = true;
m_maincpu->set_input_line(M6502_IRQ_LINE, ASSERT_LINE);
}
}
WRITE_LINE_MEMBER(tv910_state::acia_irq_w)
{
m_aica_irq = (state == ASSERT_LINE) ? true : false;
if (m_aica_irq || m_vbl_irq)
{
m_maincpu->set_input_line(M6502_IRQ_LINE, ASSERT_LINE);
}
else
{
m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE);
}
}
WRITE8_MEMBER(tv910_state::vbl_ack_w)
{
m_vbl_irq = false;
if (m_aica_irq || m_vbl_irq)
{
m_maincpu->set_input_line(M6502_IRQ_LINE, ASSERT_LINE);
}
else
{
m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE);
}
}
MC6845_UPDATE_ROW( tv910_state::crtc_update_row )
{
static const uint32_t palette[2] = { 0, 0x00ff00 };
uint32_t *p = &bitmap.pix32(y);
uint16_t chr_base = ra;
int i;
for ( i = 0; i < x_count; i++ )
{
uint16_t offset = ( ma + i ) & 0x7ff;
uint8_t chr = m_vramptr[ offset ];
uint8_t data = m_chrrom[ chr_base + chr * 8 ];
uint8_t fg = 1;
uint8_t bg = 0;
if ( i == cursor_x )
{
if (m_control & 2)
{
data = 0xFF;
}
}
if ((y % 10) >= 8)
{
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
*p++ = palette[0];
}
else
{
*p = palette[( data & 0x80 ) ? fg : bg]; p++;
*p = palette[( data & 0x40 ) ? fg : bg]; p++;
*p = palette[( data & 0x20 ) ? fg : bg]; p++;
*p = palette[( data & 0x10 ) ? fg : bg]; p++;
*p = palette[( data & 0x08 ) ? fg : bg]; p++;
*p = palette[( data & 0x04 ) ? fg : bg]; p++;
*p = palette[( data & 0x02 ) ? fg : bg]; p++;
*p = palette[( data & 0x01 ) ? fg : bg]; p++;
}
}
}
static MACHINE_CONFIG_START( tv910, tv910_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, MASTER_CLOCK/8)
MCFG_CPU_PROGRAM_MAP(tv910_mem)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK, 882, 0, 720, 370, 0, 350 ) // not real values
MCFG_SCREEN_UPDATE_DEVICE( CRTC_TAG, r6545_1_device, screen_update )
MCFG_MC6845_ADD(CRTC_TAG, R6545_1, "screen", MASTER_CLOCK/8)
MCFG_MC6845_SHOW_BORDER_AREA(false)
MCFG_MC6845_CHAR_WIDTH(8)
MCFG_MC6845_UPDATE_ROW_CB(tv910_state, crtc_update_row)
MCFG_MC6845_ADDR_CHANGED_CB(tv910_state, crtc_update_addr)
MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(tv910_state, vbl_w))
MCFG_DEVICE_ADD(KBDC_TAG, AY3600, 0)
MCFG_AY3600_MATRIX_X0(IOPORT("X0"))
MCFG_AY3600_MATRIX_X1(IOPORT("X1"))
MCFG_AY3600_MATRIX_X2(IOPORT("X2"))
MCFG_AY3600_MATRIX_X3(IOPORT("X3"))
MCFG_AY3600_MATRIX_X4(IOPORT("X4"))
MCFG_AY3600_MATRIX_X5(IOPORT("X5"))
MCFG_AY3600_MATRIX_X6(IOPORT("X6"))
MCFG_AY3600_MATRIX_X7(IOPORT("X7"))
MCFG_AY3600_MATRIX_X8(IOPORT("X8"))
MCFG_AY3600_SHIFT_CB(READLINE(tv910_state, ay3600_shift_r))
MCFG_AY3600_CONTROL_CB(READLINE(tv910_state, ay3600_control_r))
MCFG_AY3600_DATA_READY_CB(WRITELINE(tv910_state, ay3600_data_ready_w))
MCFG_AY3600_AKO_CB(WRITELINE(tv910_state, ay3600_ako_w))
MCFG_DEVICE_ADD(ACIA_TAG, MOS6551, 0)
MCFG_MOS6551_XTAL(XTAL_1_8432MHz)
MCFG_MOS6551_IRQ_HANDLER(WRITELINE(tv910_state, acia_irq_w))
MCFG_MOS6551_TXD_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_txd))
MCFG_MOS6551_RTS_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_rts))
MCFG_MOS6551_DTR_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_dtr))
MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(ACIA_TAG, mos6551_device, write_rxd))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE(ACIA_TAG, mos6551_device, write_dcd))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE(ACIA_TAG, mos6551_device, write_dsr))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE(ACIA_TAG, mos6551_device, write_cts))
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( tv910 )
ROM_REGION(0x1000, "maincpu", 0)
ROM_LOAD( "1800000-020e_a38_9182.bin", 0x000000, 0x001000, CRC(ae71dd7f) SHA1(a12da9329e28a4a8e3c902f795059251311d2856) )
ROM_REGION(0x2000, "graphics", 0)
ROM_LOAD( "1800000-016a_a17_85ae.bin", 0x000000, 0x001000, CRC(835445b7) SHA1(dde94fb6531dadce48e19bf551f45f61bedf905b) )
ROM_REGION(0x1000, "keyboard", 0)
ROM_LOAD( "1800000-019b_bell_a2_43d6.bin", 0x000000, 0x000800, CRC(de954a77) SHA1(c4f7c19799c15d12d89f08dc31064fc6be9befb0) )
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS */
COMP( 1981, tv910, 0, 0, tv910, tv910, driver_device, 0, "TeleVideo", "TV910", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )

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@ -36036,6 +36036,9 @@ pyuuta // 1982 Tomy Pyuuta
pyuutajr // 1982 Tomy Pyuuta Jr.
tutor // 1983? Tomy Tutor
@source:tv910.cpp
tv910 //
@source:tv950.cpp
tv950 //

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@ -630,6 +630,7 @@ ts803.cpp
ts816.cpp
tsispch.cpp
tutor.cpp
tv910.cpp
tv950.cpp
tv990.cpp
tvc.cpp