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|
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Victor 9000 / ACT Sirius 1 emulation
**********************************************************************/
/*
TODO:
- keyboard
- expansion bus
- Z80 card
- Winchester DMA card (Xebec S1410 + Tandon TM502/TM603SE)
- RAM cards
- clock cards
- floppy 8048
- hires graphics
- brightness/contrast
- MC6852
- codec sound
*/
#include "includes/victor9k.h"
//**************************************************************************
// ADDRESS MAPS
//**************************************************************************
//-------------------------------------------------
// ADDRESS_MAP( victor9k_mem )
//-------------------------------------------------
static ADDRESS_MAP_START( victor9k_mem, AS_PROGRAM, 8, victor9k_state )
AM_RANGE(0x00000, 0x1ffff) AM_RAM
AM_RANGE(0x20000, 0xdffff) AM_NOP
AM_RANGE(0xe0000, 0xe0001) AM_MIRROR(0x7f00) AM_DEVREADWRITE(I8259A_TAG, pic8259_device, read, write)
AM_RANGE(0xe0020, 0xe0023) AM_MIRROR(0x7f00) AM_DEVREADWRITE(I8253_TAG, pit8253_device, read, write)
AM_RANGE(0xe0040, 0xe0043) AM_MIRROR(0x7f00) AM_DEVREADWRITE(UPD7201_TAG, upd7201_device, cd_ba_r, cd_ba_w)
AM_RANGE(0xe8000, 0xe8000) AM_MIRROR(0x7f00) AM_DEVREADWRITE(HD46505S_TAG, mc6845_device, status_r, address_w)
AM_RANGE(0xe8001, 0xe8001) AM_MIRROR(0x7f00) AM_DEVREADWRITE(HD46505S_TAG, mc6845_device, register_r, register_w)
AM_RANGE(0xe8020, 0xe802f) AM_MIRROR(0x7f00) AM_DEVREADWRITE(M6522_1_TAG, via6522_device, read, write)
AM_RANGE(0xe8040, 0xe804f) AM_MIRROR(0x7f00) AM_DEVREADWRITE(M6522_2_TAG, via6522_device, read, write)
AM_RANGE(0xe8060, 0xe8061) AM_MIRROR(0x7f00) AM_DEVREADWRITE(MC6852_TAG, mc6852_device, read, write)
AM_RANGE(0xe8080, 0xe808f) AM_MIRROR(0x7f00) AM_DEVREADWRITE(M6522_3_TAG, via6522_device, read, write)
AM_RANGE(0xe80a0, 0xe80af) AM_MIRROR(0x7f00) AM_DEVREADWRITE(FDC_TAG, victor_9000_fdc_t, cs5_r, cs5_w)
AM_RANGE(0xe80c0, 0xe80cf) AM_MIRROR(0x7f00) AM_DEVREADWRITE(FDC_TAG, victor_9000_fdc_t, cs6_r, cs6_w)
AM_RANGE(0xe80e0, 0xe80ef) AM_MIRROR(0x7f00) AM_DEVREADWRITE(FDC_TAG, victor_9000_fdc_t, cs7_r, cs7_w)
AM_RANGE(0xf0000, 0xf0fff) AM_MIRROR(0x1000) AM_RAM AM_SHARE("video_ram")
AM_RANGE(0xf8000, 0xf9fff) AM_MIRROR(0x6000) AM_ROM AM_REGION(I8088_TAG, 0)
ADDRESS_MAP_END
//**************************************************************************
// INPUT PORTS
//**************************************************************************
//-------------------------------------------------
// INPUT_PORTS( victor9k )
//-------------------------------------------------
static INPUT_PORTS_START( victor9k )
// defined in machine/victor9kb.c
INPUT_PORTS_END
//**************************************************************************
// DEVICE CONFIGURATION
//**************************************************************************
//-------------------------------------------------
// MC6845
//-------------------------------------------------
#define CODE_NON_DISPLAY 0x1000
#define CODE_UNDERLINE 0x2000
#define CODE_LOW_INTENSITY 0x4000
#define CODE_REVERSE_VIDEO 0x8000
MC6845_UPDATE_ROW( victor9k_state::crtc_update_row )
{
address_space &program = m_maincpu->space(AS_PROGRAM);
const rgb_t *palette = m_palette->palette()->entry_list_raw();
if (BIT(ma, 13))
{
fatalerror("Graphics mode not supported!\n");
}
else
{
UINT16 video_ram_addr = (ma & 0xfff) << 1;
for (int sx = 0; sx < x_count; sx++)
{
UINT16 code = (m_video_ram[video_ram_addr + 1] << 8) | m_video_ram[video_ram_addr];
UINT32 char_ram_addr = (BIT(ma, 12) << 16) | ((code & 0xff) << 5) | (ra << 1);
UINT16 data = program.read_word(char_ram_addr);
if (code & CODE_REVERSE_VIDEO) data ^= 0xffff;
if (code & CODE_NON_DISPLAY) data = 0;
if (sx == cursor_x) data = 0xffff;
for (int x = 0; x <= 10; x++)
{
int pixel = BIT(data, x);
int color = palette[pixel && de];
if (!(code & CODE_LOW_INTENSITY) && color) color = 2;
bitmap.pix32(vbp + y, hbp + x + sx*10) = color;
}
video_ram_addr += 2;
video_ram_addr &= 0xfff;
}
}
}
WRITE_LINE_MEMBER(victor9k_state::vert_w)
{
m_via2->write_pa7(state);
m_pic->ir7_w(state);
}
WRITE_LINE_MEMBER(victor9k_state::mux_serial_b_w)
{
}
WRITE_LINE_MEMBER(victor9k_state::mux_serial_a_w)
{
}
//-------------------------------------------------
// PIC8259
//-------------------------------------------------
/*
pin signal description
IR0 SYN sync detect
IR1 COMM serial communications (7201)
IR2 TIMER 8253 timer
IR3 PARALLEL all 6522 IRQ (including disk)
IR4 IR4 expansion IR4
IR5 IR5 expansion IR5
IR6 KBINT keyboard data ready
IR7 VINT vertical sync or nonspecific interrupt
*/
//-------------------------------------------------
// MC6852_INTERFACE( ssda_intf )
//-------------------------------------------------
WRITE_LINE_MEMBER( victor9k_state::ssda_irq_w )
{
m_ssda_irq = state;
m_pic->ir3_w(m_ssda_irq || m_via1_irq || m_via3_irq || m_fdc_irq);
}
WRITE8_MEMBER( victor9k_state::via1_pa_w )
{
/*
bit description
PA0 DIO1
PA1 DIO2
PA2 DIO3
PA3 DIO4
PA4 DIO5
PA5 DIO6
PA6 DIO7
PA7 DIO8
*/
// centronics
m_centronics->write_data0(BIT(data, 0));
m_centronics->write_data1(BIT(data, 1));
m_centronics->write_data2(BIT(data, 2));
m_centronics->write_data3(BIT(data, 3));
m_centronics->write_data4(BIT(data, 4));
m_centronics->write_data5(BIT(data, 5));
m_centronics->write_data6(BIT(data, 6));
m_centronics->write_data7(BIT(data, 7));
// IEEE-488
m_ieee488->dio_w(data);
}
DECLARE_WRITE_LINE_MEMBER( victor9k_state::write_nfrd )
{
m_via1->write_pb6(state);
m_via1->write_ca1(state);
}
DECLARE_WRITE_LINE_MEMBER( victor9k_state::write_ndac )
{
m_via1->write_pb7(state);
m_via1->write_ca2(state);
}
WRITE8_MEMBER( victor9k_state::via1_pb_w )
{
/*
bit description
PB0 DAV / DATA STROBE
PB1 EOI / VFU?
PB2 REN
PB3 ATN
PB4 IFC
PB5 SRQ
PB6 NRFD
PB7 NDAC
*/
// centronics
m_centronics->write_strobe(BIT(data, 0));
// IEEE-488
m_ieee488->dav_w(BIT(data, 0));
m_ieee488->eoi_w(BIT(data, 1));
m_ieee488->ren_w(BIT(data, 2));
m_ieee488->atn_w(BIT(data, 3));
m_ieee488->ifc_w(BIT(data, 4));
m_ieee488->srq_w(BIT(data, 5));
m_ieee488->nrfd_w(BIT(data, 6));
m_ieee488->ndac_w(BIT(data, 7));
}
WRITE_LINE_MEMBER( victor9k_state::codec_vol_w )
{
}
WRITE_LINE_MEMBER( victor9k_state::via1_irq_w )
{
m_via1_irq = state;
m_pic->ir3_w(m_ssda_irq || m_via1_irq || m_via3_irq || m_fdc_irq);
}
WRITE8_MEMBER( victor9k_state::via2_pa_w )
{
/*
bit description
PA0 _INT/EXTA
PA1 _INT/EXTB
PA2
PA3
PA4
PA5
PA6
PA7
*/
}
WRITE8_MEMBER( victor9k_state::via2_pb_w )
{
/*
bit description
PB0 TALK/LISTEN
PB1 KBACKCTL
PB2 BRT0
PB3 BRT1
PB4 BRT2
PB5 CONT0
PB6 CONT1
PB7 CONT2
*/
// keyboard acknowledge
m_kb->kback_w(BIT(data, 1));
// brightness
m_brt = (data >> 2) & 0x07;
// contrast
m_cont = data >> 5;
}
WRITE_LINE_MEMBER( victor9k_state::write_ria )
{
m_upd7201->ria_w(state);
m_via2->write_pa2(state);
}
WRITE_LINE_MEMBER( victor9k_state::write_rib )
{
m_upd7201->rib_w(state);
m_via2->write_pa4(state);
}
/*
bit description
PA0 J5-16
PA1 J5-18
PA2 J5-20
PA3 J5-22
PA4 J5-24
PA5 J5-26
PA6 J5-28
PA7 J5-30
PB0 J5-32
PB1 J5-34
PB2 J5-36
PB3 J5-38
PB4 J5-40
PB5 J5-42
PB6 J5-44
PB7 J5-46
CA1 J5-12
CB1 J5-48
CA2 J5-14
CB2 J5-50
*/
WRITE8_MEMBER( victor9k_state::via3_pb_w )
{
// codec clock output
m_ssda->rx_clk_w(BIT(data, 7));
m_ssda->tx_clk_w(BIT(data, 7));
}
WRITE_LINE_MEMBER( victor9k_state::via3_irq_w )
{
m_via3_irq = state;
m_pic->ir3_w(m_ssda_irq || m_via1_irq || m_via3_irq || m_fdc_irq);
}
//-------------------------------------------------
// VICTOR9K_KEYBOARD_INTERFACE( kb_intf )
//-------------------------------------------------
WRITE_LINE_MEMBER( victor9k_state::kbrdy_w )
{
//logerror("KBRDY %u\n", state);
m_via2->write_cb1(state);
}
WRITE_LINE_MEMBER( victor9k_state::kbdata_w )
{
//logerror("KBDATA %u\n", state);
m_via2->write_cb2(state);
m_via2->write_pa6(state);
}
WRITE_LINE_MEMBER( victor9k_state::fdc_irq_w )
{
m_fdc_irq = state;
m_pic->ir3_w(m_ssda_irq || m_via1_irq || m_via3_irq || m_fdc_irq);
}
//**************************************************************************
// MACHINE INITIALIZATION
//**************************************************************************
void victor9k_state::machine_start()
{
// state saving
save_item(NAME(m_brt));
save_item(NAME(m_cont));
save_item(NAME(m_via1_irq));
save_item(NAME(m_via3_irq));
save_item(NAME(m_fdc_irq));
save_item(NAME(m_ssda_irq));
// patch out SCP self test
m_rom->base()[0x11ab] = 0xc3;
// patch out ROM checksum error
m_rom->base()[0x1d51] = 0x90;
m_rom->base()[0x1d52] = 0x90;
m_rom->base()[0x1d53] = 0x90;
m_rom->base()[0x1d54] = 0x90;
}
void victor9k_state::machine_reset()
{
m_maincpu->reset();
m_upd7201->reset();
m_ssda->reset();
m_via1->reset();
m_via2->reset();
m_via3->reset();
m_crtc->reset();
m_fdc->reset();
}
//**************************************************************************
// MACHINE CONFIGURATION
//**************************************************************************
//-------------------------------------------------
// MACHINE_CONFIG( victor9k )
//-------------------------------------------------
static MACHINE_CONFIG_START( victor9k, victor9k_state )
// basic machine hardware
MCFG_CPU_ADD(I8088_TAG, I8088, XTAL_30MHz/6)
MCFG_CPU_PROGRAM_MAP(victor9k_mem)
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE(I8259A_TAG, pic8259_device, inta_cb)
// video hardware
MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate
MCFG_SCREEN_UPDATE_DEVICE(HD46505S_TAG, hd6845_device, screen_update)
MCFG_SCREEN_SIZE(640, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
MCFG_PALETTE_ADD_MONOCHROME_GREEN_HIGHLIGHT("palette")
MCFG_MC6845_ADD(HD46505S_TAG, HD6845, SCREEN_TAG, XTAL_30MHz/11) // HD6845 == HD46505S
MCFG_MC6845_SHOW_BORDER_AREA(true)
MCFG_MC6845_CHAR_WIDTH(10)
MCFG_MC6845_UPDATE_ROW_CB(victor9k_state, crtc_update_row)
MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(victor9k_state, vert_w))
// sound hardware
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(HC55516_TAG, HC55516, 100000)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
// devices
MCFG_IEEE488_BUS_ADD()
MCFG_IEEE488_DAV_CALLBACK(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb0))
MCFG_IEEE488_EOI_CALLBACK(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb1))
MCFG_IEEE488_REN_CALLBACK(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb2))
MCFG_IEEE488_ATN_CALLBACK(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb3))
MCFG_IEEE488_IFC_CALLBACK(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb4))
MCFG_IEEE488_SRQ_CALLBACK(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb5))
MCFG_IEEE488_NRFD_CALLBACK(WRITELINE(victor9k_state, write_nfrd))
MCFG_IEEE488_NDAC_CALLBACK(WRITELINE(victor9k_state, write_ndac))
MCFG_PIC8259_ADD(I8259A_TAG, INPUTLINE(I8088_TAG, INPUT_LINE_IRQ0), VCC, NULL)
MCFG_DEVICE_ADD(I8253_TAG, PIT8253, 0)
MCFG_PIT8253_CLK0(2500000)
MCFG_PIT8253_OUT0_HANDLER(WRITELINE(victor9k_state, mux_serial_b_w))
MCFG_PIT8253_CLK1(2500000)
MCFG_PIT8253_OUT1_HANDLER(WRITELINE(victor9k_state, mux_serial_a_w))
MCFG_PIT8253_CLK2(100000)
MCFG_PIT8253_OUT2_HANDLER(DEVWRITELINE(I8259A_TAG, pic8259_device, ir2_w))
MCFG_UPD7201_ADD(UPD7201_TAG, XTAL_30MHz/30, 0, 0, 0, 0)
MCFG_Z80DART_OUT_TXDA_CB(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_txd))
MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_dtr))
MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_rts))
MCFG_Z80DART_OUT_TXDB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_txd))
MCFG_Z80DART_OUT_DTRB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_dtr))
MCFG_Z80DART_OUT_RTSB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_rts))
MCFG_Z80DART_OUT_INT_CB(DEVWRITELINE(I8259A_TAG, pic8259_device, ir1_w))
MCFG_DEVICE_ADD(MC6852_TAG, MC6852, XTAL_30MHz/30)
MCFG_MC6852_TX_DATA_CALLBACK(DEVWRITELINE(HC55516_TAG, hc55516_device, digit_w))
MCFG_MC6852_IRQ_CALLBACK(WRITELINE(victor9k_state, ssda_irq_w))
MCFG_DEVICE_ADD(M6522_1_TAG, VIA6522, XTAL_30MHz/30)
MCFG_VIA6522_READPA_HANDLER(DEVREAD8(IEEE488_TAG, ieee488_device, dio_r))
MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(victor9k_state, via1_pa_w))
MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(victor9k_state, via1_pb_w))
MCFG_VIA6522_CB2_HANDLER(WRITELINE(victor9k_state, codec_vol_w))
MCFG_VIA6522_IRQ_HANDLER(WRITELINE(victor9k_state, via1_irq_w))
MCFG_DEVICE_ADD(M6522_2_TAG, VIA6522, XTAL_30MHz/30)
MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(victor9k_state, via2_pa_w))
MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(victor9k_state, via2_pb_w))
MCFG_VIA6522_IRQ_HANDLER(DEVWRITELINE(I8259A_TAG, pic8259_device, ir6_w))
MCFG_DEVICE_ADD(M6522_3_TAG, VIA6522, XTAL_30MHz/30)
MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(victor9k_state, via3_pb_w))
MCFG_VIA6522_IRQ_HANDLER(WRITELINE(victor9k_state, via3_irq_w))
MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_devices, "printer")
MCFG_CENTRONICS_BUSY_HANDLER(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb5))
MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb6))
MCFG_CENTRONICS_SELECT_HANDLER(DEVWRITELINE(M6522_1_TAG, via6522_device, write_pb7))
MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, rxa_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, dcda_w))
MCFG_RS232_RI_HANDLER(WRITELINE(victor9k_state, write_ria))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, ctsa_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE(M6522_2_TAG, via6522_device, write_pa3))
MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, rxb_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, dcdb_w))
MCFG_RS232_RI_HANDLER(WRITELINE(victor9k_state, write_ria))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE(UPD7201_TAG, z80dart_device, ctsb_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE(M6522_2_TAG, via6522_device, write_pa5))
MCFG_DEVICE_ADD(KB_TAG, VICTOR9K_KEYBOARD, 0)
MCFG_VICTOR9K_KBRDY_HANDLER(WRITELINE(victor9k_state, kbrdy_w))
MCFG_VICTOR9K_KBDATA_HANDLER(WRITELINE(victor9k_state, kbdata_w))
MCFG_DEVICE_ADD(FDC_TAG, VICTOR_9000_FDC, 0)
MCFG_VICTOR_9000_FDC_IRQ_CB(WRITELINE(victor9k_state, fdc_irq_w))
MCFG_VICTOR_9000_FDC_SYN_CB(DEVWRITELINE(I8259A_TAG, pic8259_device, ir0_w)) MCFG_DEVCB_XOR(1)
MCFG_VICTOR_9000_FDC_LBRDY_CB(INPUTLINE(I8088_TAG, INPUT_LINE_TEST)) MCFG_DEVCB_XOR(1)
// internal ram
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("128K")
// software list
MCFG_SOFTWARE_LIST_ADD("flop_list", "victor9k_flop")
MACHINE_CONFIG_END
//**************************************************************************
// ROMS
//**************************************************************************
//-------------------------------------------------
// ROM( victor9k )
//-------------------------------------------------
ROM_START( victor9k )
ROM_REGION( 0x2000, I8088_TAG, 0 )
ROM_DEFAULT_BIOS( "univ" )
ROM_SYSTEM_BIOS( 0, "old", "Older" )
ROMX_LOAD( "102320.7j", 0x0000, 0x1000, CRC(3d615fd7) SHA1(b22f7e5d66404185395d8effbf57efded0079a92), ROM_BIOS(1) )
ROMX_LOAD( "102322.8j", 0x1000, 0x1000, CRC(9209df0e) SHA1(3ee8e0c15186bbd5768b550ecc1fa3b6b1dbb928), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 1, "univ", "Universal" )
ROMX_LOAD( "v9000 univ. fe f3f7 13db.7j", 0x0000, 0x1000, CRC(25c7a59f) SHA1(8784e9aa7eb9439f81e18b8e223c94714e033911), ROM_BIOS(2) )
ROMX_LOAD( "v9000 univ. ff f3f7 39fe.8j", 0x1000, 0x1000, CRC(496c7467) SHA1(eccf428f62ef94ab85f4a43ba59ae6a066244a66), ROM_BIOS(2) )
ROM_END
//**************************************************************************
// SYSTEM DRIVERS
//**************************************************************************
// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS
COMP( 1982, victor9k, 0, 0, victor9k, victor9k, driver_device, 0, "Victor Business Products", "Victor 9000", GAME_NOT_WORKING )
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