/*************************************************************************** ACT Apricot F1 series preliminary driver by Angelo Salese 11/09/2011 - modernised. The portable doesn't seem to have scroll registers, and it sets the palette to black. I've added a temporary video output so that you can get an idea of what the screen should look like. [Robbbert] ****************************************************************************/ /* TODO: - devices - LCD - sound */ #include "includes/apricotp.h" #include "apricotp.lh" //************************************************************************** // MACROS/CONSTANTS //************************************************************************** enum { LED_STOP = 0, LED_POWER, LED_SHIFT_LOCK, LED_DISK, LED_VOICE, LED_COLOUR_SELECT, LED_CAPS_LOCK }; //************************************************************************** // VIDEO //************************************************************************** //------------------------------------------------- // mc6845_interface crtc_intf //------------------------------------------------- static MC6845_UPDATE_ROW( fp_update_row ) { } static const mc6845_interface crtc_intf = { SCREEN_CRT_TAG, 8, NULL, fp_update_row, NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, NULL }; void fp_state::video_start() { // allocate memory m_video_ram = auto_alloc_array(machine(), UINT16, 0x20000); } UINT32 fp_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { offs_t addr = (!BIT(m_video, 4) << 15) | (BIT(m_video, 1) << 14); for (int y = 0; y < 200; y++) { for (int sx = 0; sx < 40; sx++) { UINT16 data = m_video_ram[addr++]; for (int x = 0; x < 16; x++) { int color = BIT(data, 15); bitmap.pix16(y, (sx * 16) + x) = color; data <<= 1; } } } return 0; } static const gfx_layout charset_8x8 = { 8,8, 256, 1, { 0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; static GFXDECODE_START( act_f1 ) GFXDECODE_ENTRY( I8086_TAG, 0x0800, charset_8x8, 0, 1 ) GFXDECODE_END READ8_MEMBER( fp_state::prtr_snd_r ) { /* bit description 0 BUSY 1 SE 2 _FAULT 3 PE 4 LP23 5 DCNG-L 6 J9 1-2 7 J9 3-4 */ UINT8 data = 0; data |= m_centronics->busy_r(); data |= m_centronics->vcc_r() << 1; data |= m_centronics->fault_r() << 2; data |= m_centronics->pe_r() << 3; return data; } WRITE8_MEMBER( fp_state::pint_clr_w ) { pic8259_ir6_w(m_pic, CLEAR_LINE); } WRITE8_MEMBER( fp_state::ls_w ) { m_centronics->strobe_w(!BIT(data, 0)); } WRITE8_MEMBER( fp_state::contrast_w ) { } WRITE8_MEMBER( fp_state::palette_w ) { /* bit description 0 B 1 G 2 R 3 I 4 index 5 index 6 index 7 index */ } WRITE16_MEMBER( fp_state::video_w ) { /* bit description 0 CRTRES-H 1 SEL1 2 DON-H 3 LCDON-H 4 SEL2 5 L3 even access 6 L2 odd access 7 L1 video RAM enable 8 9 STOP LED 10 POWER LED 11 SHIFT LOCK LED 12 DISK LED 13 VOICE LED 14 COLOUR SELECT LED 15 CAPS LOCK LED */ m_video = data & 0xff; } READ16_MEMBER( fp_state::mem_r ) { UINT16 data = 0xffff; if (offset >= 0xd0000/2 && offset < 0xf0000/2) { if (BIT(m_video, 7)) { data = m_video_ram[offset - 0xd0000/2]; } else { if (offset < m_ram->size()/2) { data = m_work_ram[offset]; } } } else { if (offset < m_ram->size()/2) { data = m_work_ram[offset]; } } return data; } WRITE16_MEMBER( fp_state::mem_w ) { if (offset >= 0xd0000/2 && offset < 0xe0000/2) { if (BIT(m_video, 7)) { m_video_ram[offset - 0xd0000/2] = data; } else { if (offset < m_ram->size()/2) { m_work_ram[offset] = data; } } } else if (offset >= 0xe0000/2 && offset < 0xf0000/2) { if (BIT(m_video, 7)) { if (BIT(m_video, 5)) { m_video_ram[offset - 0xd0000/2] = (data & 0xff00) | (m_video_ram[offset - 0xd0000/2] & 0x00ff); } if (BIT(m_video, 6)) { m_video_ram[offset - 0xd0000/2] = (data & 0x00ff) | (m_video_ram[offset - 0xd0000/2] & 0xff00); } } else { if (offset < m_ram->size()/2) { m_work_ram[offset] = data; } } } else { if (offset < m_ram->size()/2) { m_work_ram[offset] = data; } } } //************************************************************************** // ADDRESS MAPS //************************************************************************** //------------------------------------------------- // ADDRESS_MAP( fp_mem ) //------------------------------------------------- static ADDRESS_MAP_START( fp_mem, AS_PROGRAM, 16, fp_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00000, 0xf7fff) AM_READWRITE(mem_r, mem_w) AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION(I8086_TAG, 0) ADDRESS_MAP_END //------------------------------------------------- // ADDRESS_MAP( fp_io ) //------------------------------------------------- static ADDRESS_MAP_START( fp_io, AS_IO, 16, fp_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x000, 0x007) AM_DEVREADWRITE8_LEGACY(WD2797_TAG, wd17xx_r, wd17xx_w, 0x00ff) AM_RANGE(0x008, 0x00f) AM_DEVREADWRITE8_LEGACY(I8253A5_TAG, pit8253_r, pit8253_w, 0x00ff) AM_RANGE(0x018, 0x01f) AM_DEVREADWRITE8_LEGACY(Z80SIO0_TAG, z80dart_ba_cd_r, z80dart_ba_cd_w, 0x00ff) AM_RANGE(0x020, 0x021) AM_DEVWRITE8(CENTRONICS_TAG, centronics_device, write, 0x00ff) AM_RANGE(0x022, 0x023) AM_WRITE8(pint_clr_w, 0x00ff) AM_RANGE(0x024, 0x025) AM_READ8(prtr_snd_r, 0x00ff) AM_RANGE(0x026, 0x027) AM_DEVWRITE8(SN76489AN_TAG, sn76489a_device, write, 0x00ff) AM_RANGE(0x028, 0x029) AM_WRITE8(contrast_w, 0x00ff) AM_RANGE(0x02a, 0x02b) AM_WRITE8(palette_w, 0x00ff) AM_RANGE(0x02e, 0x02f) AM_WRITE(video_w) AM_RANGE(0x040, 0x05f) AM_DEVREADWRITE8(I8237_TAG, am9517a_device, read, write, 0x00ff) AM_RANGE(0x068, 0x06b) AM_DEVREADWRITE8_LEGACY(I8259A_TAG, pic8259_r, pic8259_w, 0x00ff) AM_RANGE(0x06c, 0x06d) AM_DEVWRITE8(MC6845_TAG, mc6845_device, address_w, 0x00ff) AM_RANGE(0x06e, 0x06f) AM_DEVREADWRITE8(MC6845_TAG, mc6845_device, register_r, register_w, 0x00ff) ADDRESS_MAP_END //------------------------------------------------- // ADDRESS_MAP( sound_mem ) //------------------------------------------------- static ADDRESS_MAP_START( sound_mem, AS_PROGRAM, 8, fp_state ) AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION(HD63B01V1_TAG, 0) ADDRESS_MAP_END //------------------------------------------------- // ADDRESS_MAP( sound_io ) //------------------------------------------------- static ADDRESS_MAP_START( sound_io, AS_IO, 8, fp_state ) AM_RANGE(M6801_PORT1, M6801_PORT1) AM_RANGE(M6801_PORT2, M6801_PORT2) AM_RANGE(M6801_PORT3, M6801_PORT3) AM_RANGE(M6801_PORT4, M6801_PORT4) ADDRESS_MAP_END //************************************************************************** // INPUT PORTS //************************************************************************** //------------------------------------------------- // INPUT_PORTS( act ) //------------------------------------------------- static INPUT_PORTS_START( fp ) // defined in machine/apricotkb.c INPUT_PORTS_END //************************************************************************** // DEVICE CONFIGURATION //************************************************************************** //------------------------------------------------- // APRICOT_KEYBOARD_INTERFACE( kb_intf ) //------------------------------------------------- static APRICOT_KEYBOARD_INTERFACE( kb_intf ) { DEVCB_NULL }; //------------------------------------------------- // pic8259_interface pic_intf //------------------------------------------------- static IRQ_CALLBACK( fp_irq_callback ) { fp_state *state = device->machine().driver_data(); return pic8259_acknowledge(state->m_pic); } /* INT0 TIMER INT1 FDC INT2 6301 INT3 COMS INT4 USART INT5 COMS INT6 PRINT INT7 EOP */ static const struct pic8259_interface pic_intf = { DEVCB_CPU_INPUT_LINE(I8086_TAG, INPUT_LINE_IRQ0), DEVCB_LINE_VCC, DEVCB_NULL }; //------------------------------------------------- // pit8253_config pit_intf //------------------------------------------------- static const struct pit8253_config pit_intf = { { { 2000000, DEVCB_LINE_VCC, DEVCB_DEVICE_LINE(I8259A_TAG, pic8259_ir0_w) }, { 2000000, DEVCB_LINE_VCC, DEVCB_NULL }, { 2000000, DEVCB_LINE_VCC, DEVCB_NULL } } }; //------------------------------------------------- // I8237_INTERFACE( dmac_intf ) //------------------------------------------------- static I8237_INTERFACE( dmac_intf ) { DEVCB_NULL, DEVCB_DEVICE_LINE(I8259A_TAG, pic8259_ir7_w), DEVCB_NULL, DEVCB_NULL, { DEVCB_NULL, DEVCB_DEVICE_HANDLER(WD2797_TAG, wd17xx_data_r), DEVCB_NULL, DEVCB_NULL }, { DEVCB_NULL, DEVCB_DEVICE_HANDLER(WD2797_TAG, wd17xx_data_w), DEVCB_NULL, DEVCB_NULL }, { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL } }; //------------------------------------------------- // Z80DART_INTERFACE( sio_intf ) //------------------------------------------------- static Z80DART_INTERFACE( sio_intf ) { 0, 0, 0, 0, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_LINE(I8259A_TAG, pic8259_ir4_w) }; //------------------------------------------------- // wd17xx_interface fdc_intf //------------------------------------------------- static LEGACY_FLOPPY_OPTIONS_START( act ) LEGACY_FLOPPY_OPTION( img2hd, "dsk", "2HD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, HEADS([2]) TRACKS([80]) SECTORS([16]) SECTOR_LENGTH([256]) FIRST_SECTOR_ID([1])) LEGACY_FLOPPY_OPTIONS_END static const floppy_interface act_floppy_interface = { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, FLOPPY_STANDARD_3_5_DSDD, // Sony OA-D32W LEGACY_FLOPPY_OPTIONS_NAME(act), "floppy_3_5", NULL }; static const wd17xx_interface fdc_intf = { DEVCB_LINE_GND, DEVCB_DEVICE_LINE(I8259A_TAG, pic8259_ir1_w), DEVCB_DEVICE_LINE_MEMBER(I8237_TAG, am9517a_device, dreq1_w), { FLOPPY_0, NULL, NULL, NULL } }; //------------------------------------------------- // centronics_interface centronics_intf //------------------------------------------------- WRITE_LINE_MEMBER( fp_state::busy_w ) { if (!state) pic8259_ir6_w(m_pic, ASSERT_LINE); } static const centronics_interface centronics_intf = { DEVCB_NULL, DEVCB_DRIVER_LINE_MEMBER(fp_state, busy_w), DEVCB_NULL }; /************************************* * * Sound interface * *************************************/ //------------------------------------------------- // sn76496_config psg_intf //------------------------------------------------- static const sn76496_config psg_intf = { DEVCB_NULL }; //************************************************************************** // MACHINE INITIALIZATION //************************************************************************** //------------------------------------------------- // MACHINE_START( fp ) //------------------------------------------------- void fp_state::machine_start() { // register CPU IRQ callback m_maincpu->set_irq_acknowledge_callback(fp_irq_callback); // allocate memory m_work_ram = auto_alloc_array(machine(), UINT16, m_ram->size() / 2); } //------------------------------------------------- // MACHINE_RESET( fp ) //------------------------------------------------- void fp_state::machine_reset() { m_video = 0; } //************************************************************************** // MACHINE DRIVERS //************************************************************************** //------------------------------------------------- // MACHINE_CONFIG( fp ) //------------------------------------------------- static MACHINE_CONFIG_START( fp, fp_state ) /* basic machine hardware */ MCFG_CPU_ADD(I8086_TAG, I8086, XTAL_15MHz/3) MCFG_CPU_PROGRAM_MAP(fp_mem) MCFG_CPU_IO_MAP(fp_io) MCFG_CPU_ADD(HD63B01V1_TAG, HD6301, 2000000) MCFG_CPU_PROGRAM_MAP(sound_mem) MCFG_CPU_IO_MAP(sound_io) MCFG_DEVICE_DISABLE() /* video hardware */ MCFG_DEFAULT_LAYOUT( layout_apricotp ) MCFG_SCREEN_ADD(SCREEN_LCD_TAG, LCD) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_UPDATE_DRIVER(fp_state, screen_update) MCFG_SCREEN_SIZE(640, 200) MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 200-1) MCFG_SCREEN_ADD(SCREEN_CRT_TAG, RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_UPDATE_DEVICE(MC6845_TAG, mc6845_device, screen_update) MCFG_SCREEN_SIZE(640, 256) MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 256-1) MCFG_PALETTE_LENGTH(16) MCFG_GFXDECODE(act_f1) MCFG_MC6845_ADD(MC6845_TAG, MC6845, 4000000, crtc_intf) // sound hardware MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD(SN76489AN_TAG, SN76489A, 2000000) MCFG_SOUND_CONFIG(psg_intf) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) /* Devices */ MCFG_APRICOT_KEYBOARD_ADD(kb_intf) MCFG_I8237_ADD(I8237_TAG, 250000, dmac_intf) MCFG_PIC8259_ADD(I8259A_TAG, pic_intf) MCFG_PIT8253_ADD(I8253A5_TAG, pit_intf) MCFG_Z80DART_ADD(Z80SIO0_TAG, 2500000, sio_intf) MCFG_WD2797_ADD(WD2797_TAG, fdc_intf) MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(act_floppy_interface) MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("256K") MCFG_RAM_EXTRA_OPTIONS("512K,1M") MACHINE_CONFIG_END //************************************************************************** // ROMS //************************************************************************** //------------------------------------------------- // ROM( fp ) //------------------------------------------------- ROM_START( fp ) ROM_REGION( 0x8000, I8086_TAG, 0 ) ROM_LOAD16_BYTE( "lo_fp_3.1.ic20", 0x0000, 0x4000, CRC(0572add2) SHA1(c7ab0e5ced477802e37f9232b5673f276b8f5623) ) // Labelled 11212721 F97E PORT LO VR 3.1 ROM_LOAD16_BYTE( "hi_fp_3.1.ic9", 0x0001, 0x4000, CRC(3903674b) SHA1(8418682dcc0c52416d7d851760fea44a3cf2f914) ) // Labelled 11212721 BD2D PORT HI VR 3.1 ROM_REGION( 0x1000, HD63B01V1_TAG, 0 ) ROM_LOAD( "voice interface hd63b01v01.ic29", 0x0000, 0x1000, NO_DUMP ) ROM_REGION( 0x100, "proms", 0 ) ROM_LOAD( "tbp24s10.ic73", 0x000, 0x100, NO_DUMP ) // address decoder 256x4 ROM_REGION( 0x100, "plds", 0 ) ROM_LOAD( "pal1 pal12l6.ic2", 0x000, 0x100, NO_DUMP ) // ? ROM_LOAD( "pal2 pal10l8.ic35", 0x000, 0x100, NO_DUMP ) // address decoder ROM_LOAD( "pal3 pal12l6.ic77", 0x000, 0x100, NO_DUMP ) // ? ROM_END //************************************************************************** // SYSTEM DRIVERS //************************************************************************** // YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS COMP( 1984, fp, 0, 0, fp, fp, driver_device, 0, "ACT", "Apricot Portable / FP", GAME_NOT_WORKING )