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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/***************************************************************************
TIM-011
04/09/2010 Skeleton driver.
****************************************************************************/
#include "emu.h"
#include "cpu/z180/z180.h"
#include "machine/upd765.h"
#define FDC9266_TAG "u43"
class tim011_state : public driver_device
{
public:
tim011_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_fdc(*this, FDC9266_TAG),
m_floppy0(*this, FDC9266_TAG ":0:35dd"),
m_floppy1(*this, FDC9266_TAG ":1:35dd"),
m_floppy2(*this, FDC9266_TAG ":2:35dd"),
m_floppy3(*this, FDC9266_TAG ":3:35dd") { }
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_tim011(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE8_MEMBER(print_w);
DECLARE_WRITE8_MEMBER(scroll_w);
DECLARE_WRITE8_MEMBER(fdc_dma_w);
DECLARE_READ8_MEMBER(print_r);
DECLARE_READ8_MEMBER(scroll_r);
UINT8 m_scroll;
required_device<cpu_device> m_maincpu;
required_device<upd765a_device> m_fdc;
required_device<floppy_image_device> m_floppy0;
required_device<floppy_image_device> m_floppy1;
required_device<floppy_image_device> m_floppy2;
required_device<floppy_image_device> m_floppy3;
};
static ADDRESS_MAP_START(tim011_mem, AS_PROGRAM, 8, tim011_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00000, 0x01fff) AM_ROM AM_MIRROR(0x3e000)
AM_RANGE(0x40000, 0x7ffff) AM_RAM // 256KB RAM 8 * 41256 DRAM
ADDRESS_MAP_END
static ADDRESS_MAP_START(tim011_io, AS_IO, 8, tim011_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x007f) AM_RAM /* Z180 internal registers */
AM_RANGE(0x0080, 0x009f) AM_DEVICE(FDC9266_TAG, upd765a_device, map)
//AM_RANGE(0x00a0, 0x00a0) AM_MIRROR(0x001f) AM_WRITE(fdc_dma_w)
//AM_RANGE(0x00c0, 0x00c1) AM_MIRROR(0x000e) AM_READWRITE(print_r,print_w)
//AM_RANGE(0x00d0, 0x00d0) AM_MIRROR(0x000f) AM_READWRITE(scroll_r,scroll_w)
AM_RANGE(0x8000, 0xffff) AM_RAM // Video RAM 43256 SRAM (32KB)
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( tim011 )
INPUT_PORTS_END
void tim011_state::machine_reset()
{
// motor is actually connected on TXS pin of CPU
m_floppy0->mon_w(0);
m_floppy1->mon_w(0);
m_floppy2->mon_w(0);
m_floppy3->mon_w(0);
}
void tim011_state::video_start()
{
}
UINT32 tim011_state::screen_update_tim011(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return 0;
}
WRITE8_MEMBER(tim011_state::fdc_dma_w)
{
printf("fdc_dma_w :%02x\n",data);
}
WRITE8_MEMBER(tim011_state::print_w)
{
//printf("print_w :%02x\n",data);
}
READ8_MEMBER(tim011_state::print_r)
{
//printf("print_r\n");
return 0;
}
WRITE8_MEMBER(tim011_state::scroll_w)
{
m_scroll = data;
}
READ8_MEMBER(tim011_state::scroll_r)
{
return m_scroll;
}
static SLOT_INTERFACE_START( tim011_floppies )
SLOT_INTERFACE( "35dd", FLOPPY_35_DD )
SLOT_INTERFACE_END
static const floppy_format_type tim011_floppy_formats[] = {
FLOPPY_IMD_FORMAT,
FLOPPY_MFI_FORMAT,
FLOPPY_MFM_FORMAT,
NULL
};
static MACHINE_CONFIG_START( tim011,tim011_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",Z180, XTAL_12_288MHz / 2) // location U17 HD64180
MCFG_CPU_PROGRAM_MAP(tim011_mem)
MCFG_CPU_IO_MAP(tim011_io)
MCFG_CPU_VBLANK_INT_DRIVER("screen", tim011_state, irq0_line_hold)
// MCFG_CPU_ADD("keyboard",CDP1802, XTAL_1_75MHz) // CDP1802, uknown clock
// FDC9266 location U43 XTAL_8MHz
MCFG_UPD765A_ADD(FDC9266_TAG, true, true)
MCFG_UPD765_INTRQ_CALLBACK(INPUTLINE("maincpu", INPUT_LINE_IRQ2))
/* floppy drives */
MCFG_FLOPPY_DRIVE_ADD(FDC9266_TAG ":0", tim011_floppies, "35dd", tim011_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(FDC9266_TAG ":1", tim011_floppies, "35dd", tim011_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(FDC9266_TAG ":2", tim011_floppies, "35dd", tim011_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(FDC9266_TAG ":3", tim011_floppies, "35dd", tim011_floppy_formats)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(512, 256)
MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)
MCFG_SCREEN_UPDATE_DRIVER(tim011_state, screen_update_tim011)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( tim011 )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "sys_tim011.u16", 0x0000, 0x2000, CRC(5b4f1300) SHA1(d324991c4292d7dcde8b8d183a57458be8a2be7b))
ROM_REGION( 0x10000, "keyboard", ROMREGION_ERASEFF )
ROM_LOAD( "keyb_tim011.bin", 0x0000, 0x1000, CRC(a99c40a6) SHA1(d6d505271d91df4e079ec3c0a4abbe75ae9d649b))
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1987, tim011, 0, 0, tim011, tim011, driver_device, 0, "Mihajlo Pupin Institute", "TIM-011", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
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