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mame/src/mess/drivers/pc1500.c
Miodrag Milanovic 0e19f641d3 Cleanups and version bump
2013-01-11 07:32:46 +00:00

318 lines
12 KiB
C
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/***************************************************************************
Sharp pocket computers 1500
Driver by Sandro Ronco
More info:
http://www.pc1500.com/
****************************************************************************/
#include "emu.h"
#include "cpu/lh5801/lh5801.h"
#include "machine/lh5810.h"
#include "machine/upd1990a.h"
#include "pc1500.lh"
class pc1500_state : public driver_device
{
public:
pc1500_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_rtc(*this, "upd1990a"),
m_lcd_data(*this, "lcd_data") { }
required_device<cpu_device> m_maincpu;
required_device<upd1990a_device> m_rtc;
required_shared_ptr<UINT8> m_lcd_data;
UINT8 m_kb_matrix;
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
virtual void machine_reset();
DECLARE_WRITE8_MEMBER( kb_matrix_w );
DECLARE_READ8_MEMBER( port_a_r );
DECLARE_READ8_MEMBER( port_b_r );
DECLARE_WRITE8_MEMBER( port_c_w );
static UINT8 pc1500_kb_r(device_t *device);
virtual void palette_init();
};
static ADDRESS_MAP_START( pc1500_mem , AS_PROGRAM, 8, pc1500_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE( 0x0000, 0x3fff) AM_ROM //module ROM/RAM
AM_RANGE( 0x4000, 0x47ff) AM_RAM //user RAM
AM_RANGE( 0x4800, 0x6fff) AM_RAM //expansion RAM
AM_RANGE( 0x7000, 0x71ff) AM_RAM AM_MIRROR(0x0600) AM_SHARE("lcd_data")
AM_RANGE( 0x7800, 0x7bff) AM_RAM AM_REGION("maincpu", 0x7800) AM_MIRROR(0x0400)
AM_RANGE( 0xa000, 0xbfff) AM_ROM //expansion ROM
AM_RANGE( 0xc000, 0xffff) AM_ROM //system ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START( pc1500_mem_io , AS_IO, 8, pc1500_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE( 0xf000, 0xf00f) AM_DEVREADWRITE("lh5810", lh5810_device, data_r, data_w)
ADDRESS_MAP_END
UINT8 pc1500_state::pc1500_kb_r(device_t *device)
{
pc1500_state *state = device->machine().driver_data<pc1500_state>();
UINT8 data = 0xff;
if (!device->started()) return 0;
if (!(state->m_kb_matrix & 0x01))
data &= device->machine().root_device().ioport("KEY0")->read();
if (!(state->m_kb_matrix & 0x02))
data &= device->machine().root_device().ioport("KEY1")->read();
if (!(state->m_kb_matrix & 0x04))
data &= device->machine().root_device().ioport("KEY2")->read();
if (!(state->m_kb_matrix & 0x08))
data &= device->machine().root_device().ioport("KEY3")->read();
if (!(state->m_kb_matrix & 0x10))
data &= device->machine().root_device().ioport("KEY4")->read();
if (!(state->m_kb_matrix & 0x20))
data &= device->machine().root_device().ioport("KEY5")->read();
if (!(state->m_kb_matrix & 0x40))
data &= device->machine().root_device().ioport("KEY6")->read();
if (!(state->m_kb_matrix & 0x80))
data &= state->ioport("KEY7")->read();
return data;
}
UINT32 pc1500_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
bitmap.fill(0, cliprect);
for (int p=0; p<=1; p++)
for (int a=0; a<0x4e; a++)
{
UINT8 data = m_lcd_data[a + (p<<8)];
for (int b=0; b<8; b++)
{
if(b<4)
bitmap.pix16(b + 4 * (BIT( a, 0)), (a>>1) + 0x00 + 0x27*p) = BIT(data, b);
else
bitmap.pix16(b - 4 * (BIT(~a, 0)), (a>>1) + 0x4e + 0x27*p) = BIT(data, b);
}
}
output_set_value("BUSY", BIT(m_lcd_data[0x4e], 0));
output_set_value("SHIFT", BIT(m_lcd_data[0x4e], 1));
output_set_value("SML", BIT(m_lcd_data[0x4e], 2));
output_set_value("SMALL", BIT(m_lcd_data[0x4e], 3));
output_set_value("III", BIT(m_lcd_data[0x4e], 4));
output_set_value("II", BIT(m_lcd_data[0x4e], 5));
output_set_value("I", BIT(m_lcd_data[0x4e], 6));
output_set_value("DEF", BIT(m_lcd_data[0x4e], 7));
output_set_value("DE", BIT(m_lcd_data[0x4f], 0));
output_set_value("G", BIT(m_lcd_data[0x4f], 1));
output_set_value("RAD", BIT(m_lcd_data[0x4f], 2));
output_set_value("RESERVE", BIT(m_lcd_data[0x4f], 4));
output_set_value("PRO", BIT(m_lcd_data[0x4f], 5));
output_set_value("RUN", BIT(m_lcd_data[0x4f], 6));
return 0;
}
void pc1500_state::machine_reset()
{
m_kb_matrix = 0xff;
m_rtc->cs_w(1);
}
static INPUT_PORTS_START( pc1500 )
PORT_START("ON")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10)
PORT_START("KEY0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UP") PORT_CODE(KEYCODE_UP)
PORT_START("KEY1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("OFF") PORT_CODE(KEYCODE_F11)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_X)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ST") PORT_CODE(KEYCODE_F8)
PORT_START("KEY2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0)
PORT_START("KEY3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(")") PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(") PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER)
PORT_START("KEY4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_PLUS_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_ASTERISK)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RCL") PORT_CODE(KEYCODE_F7)
PORT_START("KEY5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_EQUALS)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE)
PORT_START("KEY6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MODE") PORT_CODE(KEYCODE_HOME)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CL") PORT_CODE(KEYCODE_DEL)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DEF") PORT_CODE(KEYCODE_PGUP)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SML") PORT_CODE(KEYCODE_PGDN)
PORT_START("KEY7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DOWN") PORT_CODE(KEYCODE_DOWN)
INPUT_PORTS_END
WRITE8_MEMBER( pc1500_state::kb_matrix_w )
{
m_kb_matrix = data;
}
WRITE8_MEMBER( pc1500_state::port_c_w )
{
m_rtc->data_in_w(BIT(data, 0));
m_rtc->stb_w(BIT(data, 1));
m_rtc->clk_w(BIT(data, 2));
m_rtc->oe_w(BIT(data, 3));
m_rtc->c0_w(BIT(data, 3));
m_rtc->c1_w(BIT(data, 4));
m_rtc->c2_w(BIT(data, 5));
}
READ8_MEMBER( pc1500_state::port_b_r )
{
/*
x--- ---- ON/Break key
-xx- ---- upd1990ac
---x ---- GND
---- x--- Japan: GND, export: VCC
---- -x-- cassette in
---- --xx connector
*/
UINT8 data = 0;
data |= 0x08;
data |= (m_rtc->tp_r()<<5);
data |= (m_rtc->data_out_r()<<6);
data |= (ioport("ON")->read()<<7);
return data;
}
READ8_MEMBER( pc1500_state::port_a_r )
{
return 0xff;
}
void pc1500_state::palette_init()
{
palette_set_color(machine(), 0, MAKE_RGB(138, 146, 148));
palette_set_color(machine(), 1, MAKE_RGB(92, 83, 88));
}
static const lh5801_cpu_core lh5801_pc1500_config =
{
pc1500_state::pc1500_kb_r
};
static const lh5810_interface lh5810_pc1500_config =
{
DEVCB_DRIVER_MEMBER(pc1500_state, port_a_r), //port A read
DEVCB_DRIVER_MEMBER(pc1500_state, kb_matrix_w), //port A write
DEVCB_DRIVER_MEMBER(pc1500_state, port_b_r), //port B read
DEVCB_NULL, //port B write
DEVCB_DRIVER_MEMBER(pc1500_state, port_c_w), //port C write
DEVCB_CPU_INPUT_LINE("maincpu", LH5801_LINE_MI) //IRQ callback
};
static UPD1990A_INTERFACE( pc1500_upd1990a_intf )
{
DEVCB_NULL,
DEVCB_NULL
};
static MACHINE_CONFIG_START( pc1500, pc1500_state )
MCFG_CPU_ADD("maincpu", LH5801, 1300000) //1.3 MHz
MCFG_CPU_PROGRAM_MAP( pc1500_mem )
MCFG_CPU_IO_MAP( pc1500_mem_io )
MCFG_CPU_CONFIG( lh5801_pc1500_config )
MCFG_SCREEN_ADD("screen", LCD)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate
MCFG_SCREEN_UPDATE_DRIVER(pc1500_state, screen_update)
MCFG_SCREEN_SIZE(156, 8)
MCFG_SCREEN_VISIBLE_AREA(0, 156-1, 0, 7-1)
MCFG_DEFAULT_LAYOUT(layout_pc1500)
MCFG_PALETTE_LENGTH(2)
MCFG_LH5810_ADD("lh5810", lh5810_pc1500_config)
MCFG_UPD1990A_ADD("upd1990a", XTAL_32_768kHz, pc1500_upd1990a_intf)
MACHINE_CONFIG_END
ROM_START( pc1500 )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "sys1500.rom", 0xc000, 0x4000, CRC(d480b50d) SHA1(4bf748ba4d7c2b7cd7da7f3fdefcdd2e4cd41c4e))
ROM_REGION( 0x10000, "ce150", ROMREGION_ERASEFF )
ROM_LOAD( "ce-150.rom", 0x0000, 0x2000, CRC(8fa1df6d) SHA1(a3aa02a641a46c27c0d4c0dc025b0dbe9b5b79c8))
ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
COMP( 198?, pc1500, 0, 0, pc1500, pc1500, driver_device, 0, "Sharp", "Pocket Computer 1500", GAME_NOT_WORKING | GAME_NO_SOUND )
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