diff options
Diffstat (limited to 'src/mame/drivers/apricotp.cpp')
-rw-r--r-- | src/mame/drivers/apricotp.cpp | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/src/mame/drivers/apricotp.cpp b/src/mame/drivers/apricotp.cpp deleted file mode 100644 index 8e6b94d197d..00000000000 --- a/src/mame/drivers/apricotp.cpp +++ /dev/null @@ -1,686 +0,0 @@ -// license:LGPL-2.1+ -// copyright-holders:Angelo Salese -/*************************************************************************** - - ACT Apricot FP - - 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. - -****************************************************************************/ - -/* - - TODO: - - - devices - - LCD - - sound - -*/ - -#include "emu.h" -#include "bus/centronics/ctronics.h" -#include "cpu/i86/i86.h" -#include "cpu/m6800/m6801.h" -#include "formats/apridisk.h" -#include "imagedev/floppy.h" -#include "machine/am9517a.h" -#include "machine/apricotkb.h" -#include "machine/pic8259.h" -#include "machine/pit8253.h" -#include "machine/ram.h" -#include "machine/wd_fdc.h" -#include "machine/z80sio.h" -#include "sound/sn76496.h" -#include "video/mc6845.h" -#include "emupal.h" -#include "screen.h" -#include "speaker.h" -#include "apricotp.lh" - - -//************************************************************************** -// MACROS / CONSTANTS -//************************************************************************** - -#define I8086_TAG "ic7" -#define I8284_TAG "ic30" -#define I8259A_TAG "ic51" -#define TMS4500_TAG "ic42" -#define MC6845_TAG "ic69" -#define HD63B01V1_TAG "ic29" -#define AD7574_TAG "ic34" -#define AD1408_TAG "ic37" -#define WD2797_TAG "ic5" -#define SN76489AN_TAG "ic13" -#define CENTRONICS_TAG "centronics" -#define SCREEN_LCD_TAG "screen0" -#define SCREEN_CRT_TAG "screen1" - -enum -{ - LED_STOP = 0, - LED_POWER, - LED_SHIFT_LOCK, - LED_DISK, - LED_VOICE, - LED_COLOUR_SELECT, - LED_CAPS_LOCK -}; - - -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** - -// ======================> fp_state - -class fp_state : public driver_device -{ -public: - fp_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, I8086_TAG) - , m_soundcpu(*this, HD63B01V1_TAG) - , m_dmac(*this, "ic17") - , m_pic(*this, I8259A_TAG) - , m_pit(*this, "ic20") - , m_sio(*this, "ic6") - , m_fdc(*this, WD2797_TAG) - , m_crtc(*this, MC6845_TAG) - , m_ram(*this, RAM_TAG) - , m_floppy0(*this, WD2797_TAG":0") - , m_floppy1(*this, WD2797_TAG":1") - , m_floppy(nullptr) - , m_centronics(*this, CENTRONICS_TAG) - , m_work_ram(*this, "work_ram") - , m_video_ram(*this, "video_ram") - { } - - void fp(machine_config &config); - -private: - DECLARE_FLOPPY_FORMATS(floppy_formats); - - required_device<cpu_device> m_maincpu; - required_device<cpu_device> m_soundcpu; - required_device<am9517a_device> m_dmac; - required_device<pic8259_device> m_pic; - required_device<pit8253_device> m_pit; - required_device<z80sio_device> m_sio; - required_device<wd2797_device> m_fdc; - required_device<mc6845_device> m_crtc; - required_device<ram_device> m_ram; - required_device<floppy_connector> m_floppy0; - required_device<floppy_connector> m_floppy1; - floppy_image_device *m_floppy; - required_device<centronics_device> m_centronics; - - virtual void machine_start() override; - virtual void machine_reset() override; - - virtual void video_start() override; - uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - MC6845_UPDATE_ROW(update_row); - uint16_t mem_r(offs_t offset); - void mem_w(offs_t offset, uint16_t data); - uint8_t prtr_snd_r(); - void pint_clr_w(uint8_t data); - void ls_w(uint8_t data); - void contrast_w(uint8_t data); - void palette_w(uint8_t data); - void video_w(uint16_t data); - void lat_w(offs_t offset, uint8_t data); - - void lat_ls259_w(offs_t offset, int state); - - optional_shared_ptr<uint16_t> m_work_ram; - - // video state - optional_shared_ptr<uint16_t> m_video_ram; - uint8_t m_video; - - int m_centronics_busy; - int m_centronics_select; - int m_centronics_fault; - int m_centronics_perror; - - DECLARE_WRITE_LINE_MEMBER( write_centronics_busy ); - DECLARE_WRITE_LINE_MEMBER( write_centronics_select ); - DECLARE_WRITE_LINE_MEMBER( write_centronics_fault ); - DECLARE_WRITE_LINE_MEMBER( write_centronics_perror ); - - void fp_io(address_map &map); - void fp_mem(address_map &map); - void sound_io(address_map &map); - void sound_mem(address_map &map); -}; - - -//************************************************************************** -// VIDEO -//************************************************************************** - -void fp_state::video_start() -{ - // allocate memory - m_video_ram.allocate(0x20000); -} - -MC6845_UPDATE_ROW( fp_state::update_row ) -{ -} - -uint32_t 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_t data = m_video_ram[addr++]; - - for (int x = 0; x < 16; x++) - { - int color = BIT(data, 15); - - bitmap.pix(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( gfx_act_f1 ) - GFXDECODE_ENTRY( I8086_TAG, 0x0800, charset_8x8, 0, 1 ) -GFXDECODE_END - - -uint8_t 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_t data = 0; - - // centronics - data |= m_centronics_busy; - data |= m_centronics_select << 1; - data |= m_centronics_fault << 2; - data |= m_centronics_perror << 3; - - // floppy - data |= (m_floppy ? m_floppy->dskchg_r() : 1) << 5; - - return data; -} - -void fp_state::pint_clr_w(uint8_t data) -{ - m_pic->ir6_w(CLEAR_LINE); -} - - -void fp_state::ls_w(uint8_t data) -{ - m_centronics->write_strobe(!BIT(data, 0)); -} - - -void fp_state::contrast_w(uint8_t data) -{ -} - - -void fp_state::palette_w(uint8_t data) -{ - /* - - bit description - - 0 B - 1 G - 2 R - 3 I - 4 index - 5 index - 6 index - 7 index - - */ -} - - -void fp_state::video_w(uint16_t data) -{ - /* - - 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; -} - -void fp_state::lat_ls259_w(offs_t offset, int state) -{ - switch (offset) - { - case 0: - { - m_floppy = nullptr; - - if (state) m_floppy = m_floppy0->get_device(); - else m_floppy = m_floppy1->get_device(); - - m_fdc->set_floppy(m_floppy); - - if (m_floppy) - m_floppy->mon_w(0); - } - break; - } -} - -void fp_state::lat_w(offs_t offset, uint8_t data) -{ - lat_ls259_w((offset >> 1) & 0x07, BIT(data, 0)); -} - - -uint16_t fp_state::mem_r(offs_t offset) -{ - uint16_t 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; -} - - -void fp_state::mem_w(offs_t offset, uint16_t data) -{ - 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 ) -//------------------------------------------------- - -void fp_state::fp_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x00000, 0xf7fff).rw(FUNC(fp_state::mem_r), FUNC(fp_state::mem_w)); - map(0xf8000, 0xfffff).rom().region(I8086_TAG, 0); -} - - -//------------------------------------------------- -// ADDRESS_MAP( fp_io ) -//------------------------------------------------- - -void fp_state::fp_io(address_map &map) -{ - map.unmap_value_high(); - map(0x000, 0x007).rw(m_fdc, FUNC(wd2797_device::read), FUNC(wd2797_device::write)).umask16(0x00ff); - map(0x008, 0x00f).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write)).umask16(0x00ff); - map(0x018, 0x01f).rw(m_sio, FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)).umask16(0x00ff); - map(0x020, 0x020).w("cent_data_out", FUNC(output_latch_device::write)); - map(0x022, 0x022).w(FUNC(fp_state::pint_clr_w)); - map(0x024, 0x024).r(FUNC(fp_state::prtr_snd_r)); - map(0x026, 0x026).w(SN76489AN_TAG, FUNC(sn76489a_device::write)); - map(0x028, 0x028).w(FUNC(fp_state::contrast_w)); - map(0x02a, 0x02a).w(FUNC(fp_state::palette_w)); - map(0x02e, 0x02f).w(FUNC(fp_state::video_w)); - map(0x040, 0x05f).rw(m_dmac, FUNC(am9517a_device::read), FUNC(am9517a_device::write)).umask16(0x00ff); - map(0x068, 0x06b).rw(m_pic, FUNC(pic8259_device::read), FUNC(pic8259_device::write)).umask16(0x00ff); - map(0x06c, 0x06c).w(m_crtc, FUNC(mc6845_device::address_w)); - map(0x06e, 0x06e).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); -} - - -//------------------------------------------------- -// ADDRESS_MAP( sound_mem ) -//------------------------------------------------- - -void fp_state::sound_mem(address_map &map) -{ - map(0xf000, 0xffff).rom().region(HD63B01V1_TAG, 0); -} - - - -//************************************************************************** -// INPUT PORTS -//************************************************************************** - -//------------------------------------------------- -// INPUT_PORTS( act ) -//------------------------------------------------- - -static INPUT_PORTS_START( fp ) - // defined in machine/apricotkb.c -INPUT_PORTS_END - - - -//************************************************************************** -// DEVICE CONFIGURATION -//************************************************************************** - -//------------------------------------------------- -// pic8259_interface pic_intf -//------------------------------------------------- - -/* - - INT0 TIMER - INT1 FDC - INT2 6301 - INT3 COMS - INT4 USART - INT5 COMS - INT6 PRINT - INT7 EOP - -*/ - -WRITE_LINE_MEMBER( fp_state::write_centronics_busy ) -{ - m_centronics_busy = state; - if (!state) m_pic->ir6_w(ASSERT_LINE); -} - -WRITE_LINE_MEMBER( fp_state::write_centronics_select ) -{ - m_centronics_select = state; -} - -WRITE_LINE_MEMBER( fp_state::write_centronics_fault ) -{ - m_centronics_fault = state; -} - -WRITE_LINE_MEMBER( fp_state::write_centronics_perror ) -{ - m_centronics_perror = state; -} - -//************************************************************************** -// MACHINE INITIALIZATION -//************************************************************************** - -//------------------------------------------------- -// MACHINE_START( fp ) -//------------------------------------------------- - -void fp_state::machine_start() -{ - // allocate memory - m_work_ram.allocate(m_ram->size() / 2); -} - - -void fp_state::machine_reset() -{ - m_video = 0; - - m_fdc->dden_w(0); - - for (offs_t offset = 0; offset < 7; offset++) - { - lat_ls259_w(offset, 0); - } -} - - - -//************************************************************************** -// MACHINE DRIVERS -//************************************************************************** - -FLOPPY_FORMATS_MEMBER( fp_state::floppy_formats ) - FLOPPY_APRIDISK_FORMAT -FLOPPY_FORMATS_END - - -//------------------------------------------------- -// machine_config( fp ) -//------------------------------------------------- - -void fp_state::fp(machine_config &config) -{ - /* basic machine hardware */ - I8086(config, m_maincpu, 15_MHz_XTAL / 3); - m_maincpu->set_addrmap(AS_PROGRAM, &fp_state::fp_mem); - m_maincpu->set_addrmap(AS_IO, &fp_state::fp_io); - m_maincpu->set_irq_acknowledge_callback(I8259A_TAG, FUNC(pic8259_device::inta_cb)); - - HD6301V1(config, m_soundcpu, 2000000); - m_soundcpu->set_addrmap(AS_PROGRAM, &fp_state::sound_mem); - m_soundcpu->set_disable(); - - /* video hardware */ - config.set_default_layout(layout_apricotp); - - screen_device &screen_lcd(SCREEN(config, SCREEN_LCD_TAG, SCREEN_TYPE_RASTER)); - screen_lcd.set_refresh_hz(50); - screen_lcd.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen_lcd.set_screen_update(FUNC(fp_state::screen_update)); - screen_lcd.set_size(640, 200); - screen_lcd.set_visarea_full(); - screen_lcd.set_palette("palette"); - - screen_device &screen_crt(SCREEN(config, SCREEN_CRT_TAG, SCREEN_TYPE_RASTER)); - screen_crt.set_refresh_hz(50); - screen_crt.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen_crt.set_screen_update(MC6845_TAG, FUNC(mc6845_device::screen_update)); - screen_crt.set_size(640, 256); - screen_crt.set_visarea_full(); - - PALETTE(config, "palette").set_entries(16); - GFXDECODE(config, "gfxdecode", "palette", gfx_act_f1); - - MC6845(config, m_crtc, 4000000); - m_crtc->set_screen(SCREEN_CRT_TAG); - m_crtc->set_show_border_area(false); - m_crtc->set_char_width(8); - m_crtc->set_update_row_callback(FUNC(fp_state::update_row)); - - // sound hardware - SPEAKER(config, "mono").front_center(); - SN76489A(config, SN76489AN_TAG, 2000000).add_route(ALL_OUTPUTS, "mono", 1.00); - - /* Devices */ - APRICOT_KEYBOARD(config, APRICOT_KEYBOARD_TAG, 0); - - AM9517A(config, m_dmac, 250000); - m_dmac->out_eop_callback().set(m_pic, FUNC(pic8259_device::ir7_w)); - m_dmac->in_ior_callback<1>().set(m_fdc, FUNC(wd2797_device::data_r)); - m_dmac->out_iow_callback<1>().set(m_fdc, FUNC(wd2797_device::data_w)); - - PIC8259(config, m_pic, 0); - m_pic->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - - PIT8253(config, m_pit, 0); - m_pit->set_clk<0>(2000000); - m_pit->out_handler<0>().set(m_pic, FUNC(pic8259_device::ir0_w)); - m_pit->set_clk<1>(2000000); - m_pit->set_clk<2>(2000000); - - Z80SIO(config, m_sio, 2500000); - m_sio->out_int_callback().set(m_pic, FUNC(pic8259_device::ir4_w)); - - WD2797(config, m_fdc, 2000000); - m_fdc->intrq_wr_callback().set(m_pic, FUNC(pic8259_device::ir1_w)); - m_fdc->drq_wr_callback().set(m_dmac, FUNC(am9517a_device::dreq1_w)); - - FLOPPY_CONNECTOR(config, m_floppy0, "d32w", SONY_OA_D32W, true, floppy_formats); - FLOPPY_CONNECTOR(config, m_floppy1, "d32w", SONY_OA_D32W, false, floppy_formats); - - CENTRONICS(config, m_centronics, centronics_devices, "printer"); - m_centronics->busy_handler().set(FUNC(fp_state::write_centronics_busy)); - m_centronics->select_handler().set(FUNC(fp_state::write_centronics_select)); - m_centronics->fault_handler().set(FUNC(fp_state::write_centronics_fault)); - m_centronics->perror_handler().set(FUNC(fp_state::write_centronics_perror)); - - output_latch_device ¢_data_out(OUTPUT_LATCH(config, "cent_data_out")); - m_centronics->set_output_latch(cent_data_out); - - /* internal ram */ - RAM(config, RAM_TAG).set_default_size("256K").set_extra_options("512K,1M"); -} - - - -//************************************************************************** -// 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 CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1984, fp, 0, 0, fp, fp, fp_state, empty_init, "ACT", "Apricot Portable / FP", MACHINE_NOT_WORKING ) |