diff options
Diffstat (limited to 'src/mame/drivers/svi318.cpp')
-rw-r--r-- | src/mame/drivers/svi318.cpp | 622 |
1 files changed, 0 insertions, 622 deletions
diff --git a/src/mame/drivers/svi318.cpp b/src/mame/drivers/svi318.cpp deleted file mode 100644 index cb067892007..00000000000 --- a/src/mame/drivers/svi318.cpp +++ /dev/null @@ -1,622 +0,0 @@ -// license: GPL-2.0+ -// copyright-holders: Dirk Best -// thanks-to: Tomas Karlsson, Sean Young -/*************************************************************************** - - Spectravideo SVI-318/328 - -***************************************************************************/ - -#include "emu.h" - -#include "cpu/z80/z80.h" -#include "imagedev/cassette.h" -#include "machine/bankdev.h" -#include "machine/i8255.h" -#include "machine/ram.h" -#include "sound/ay8910.h" -#include "sound/spkrdev.h" -#include "video/tms9928a.h" - -#include "bus/generic/carts.h" -#include "bus/generic/slot.h" -#include "bus/svi3x8/expander/expander.h" - -#include "softlist.h" -#include "speaker.h" - -#include "formats/svi_cas.h" - - -//************************************************************************** -// CONSTANTS & MACROS -//************************************************************************** - -#define IS_SVI328 (m_ram->size() == 64 * 1024) - -#define CCS1 (m_cart == 0 && offset < 0x4000) -#define CCS2 (m_cart == 0 && offset >= 0x4000 && offset < 0x8000) -#define CCS3 (m_cart == 0 && m_rom2 == 0 && offset >= 0x8000 && offset < 0xc000) -#define CCS4 (m_cart == 0 && m_rom3 == 0 && offset >= 0xc000) -#define ROMCS (m_romdis == 1 && offset < 0x8000) -#define RAMCS (m_ramdis == 1 && offset >= 0x8000) - - -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** - -class svi3x8_state : public driver_device -{ -public: - svi3x8_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_ram(*this, RAM_TAG), - m_io(*this, "io"), - m_basic(*this, "basic"), - m_vdp(*this, "vdp"), - m_speaker(*this, "speaker"), - m_cassette(*this, "cassette"), - m_cart_rom(*this, "cartslot"), - m_expander(*this, "exp"), - m_keyboard(*this, "KEY.%u", 0), - m_buttons(*this, "BUTTONS"), - m_led_caps_lock(*this, "led_caps_lock"), - m_intvdp(0), m_intexp(0), - m_romdis(1), m_ramdis(1), - m_cart(1), m_bk21(1), - m_rom2(1), m_rom3(1), - m_ctrl1(-1), - m_keyboard_row(0) - {} - - void svi318(machine_config &config); - void svi328n(machine_config &config); - void svi318p(machine_config &config); - void svi318n(machine_config &config); - void svi328p(machine_config &config); - -private: - uint8_t ppi_port_a_r(); - uint8_t ppi_port_b_r(); - void ppi_port_c_w(uint8_t data); - void bank_w(uint8_t data); - DECLARE_WRITE_LINE_MEMBER( intvdp_w ); - - uint8_t mreq_r(offs_t offset); - void mreq_w(offs_t offset, uint8_t data); - - // from expander bus - DECLARE_WRITE_LINE_MEMBER( intexp_w ); - DECLARE_WRITE_LINE_MEMBER( romdis_w ); - DECLARE_WRITE_LINE_MEMBER( ramdis_w ); - DECLARE_WRITE_LINE_MEMBER( ctrl1_w ); - - DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load); - - void svi3x8_io(address_map &map); - void svi3x8_io_bank(address_map &map); - void svi3x8_mem(address_map &map); - - virtual void machine_start() override; - virtual void machine_reset() override; - - required_device<cpu_device> m_maincpu; - required_device<ram_device> m_ram; - required_device<address_map_bank_device> m_io; - required_memory_region m_basic; - required_device<tms9928a_device> m_vdp; - required_device<speaker_sound_device> m_speaker; - required_device<cassette_image_device> m_cassette; - required_device<generic_slot_device> m_cart_rom; - required_device<svi_expander_device> m_expander; - required_ioport_array<16> m_keyboard; - required_ioport m_buttons; - output_finder<> m_led_caps_lock; - - int m_intvdp; - int m_intexp; - int m_romdis; - int m_ramdis; - int m_cart; - int m_bk21; - int m_rom2; - int m_rom3; - int m_ctrl1; - - uint8_t m_keyboard_row; -}; - - -//************************************************************************** -// ADDRESS MAPS -//************************************************************************** - -void svi3x8_state::svi3x8_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0xffff).rw(FUNC(svi3x8_state::mreq_r), FUNC(svi3x8_state::mreq_w)); -} - -void svi3x8_state::svi3x8_io(address_map &map) -{ - map.global_mask(0xff); - map(0x00, 0xff).m(m_io, FUNC(address_map_bank_device::amap8)); -} - -void svi3x8_state::svi3x8_io_bank(address_map &map) -{ - map(0x000, 0x0ff).rw(m_expander, FUNC(svi_expander_device::iorq_r), FUNC(svi_expander_device::iorq_w)); - map(0x100, 0x17f).rw(m_expander, FUNC(svi_expander_device::iorq_r), FUNC(svi_expander_device::iorq_w)); - map(0x180, 0x181).mirror(0x22).w(m_vdp, FUNC(tms9928a_device::write)); - map(0x184, 0x185).mirror(0x22).r(m_vdp, FUNC(tms9928a_device::read)); - map(0x188, 0x188).mirror(0x23).w("psg", FUNC(ay8910_device::address_w)); - map(0x18c, 0x18c).mirror(0x23).w("psg", FUNC(ay8910_device::data_w)); - map(0x190, 0x190).mirror(0x23).r("psg", FUNC(ay8910_device::data_r)); - map(0x194, 0x197).w("ppi", FUNC(i8255_device::write)); - map(0x198, 0x19a).r("ppi", FUNC(i8255_device::read)); -} - - -//************************************************************************** -// INPUTS -//************************************************************************** - -static INPUT_PORTS_START( svi318 ) - PORT_START("KEY.0") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') - - PORT_START("KEY.1") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_CHAR(';') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') - - PORT_START("KEY.2") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') - - PORT_START("KEY.3") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('0') PORT_CHAR('J') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') - - PORT_START("KEY.4") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') - - PORT_START("KEY.5") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('~') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_NAME(UTF8_UP) - - PORT_START("KEY.6") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_NAME("Ctrl") - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) PORT_NAME("Left Grph") - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) PORT_NAME("Right Grph") - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("Stop") - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_NAME(UTF8_LEFT) - - PORT_START("KEY.7") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CHAR(UCHAR_MAMEKEY(F6)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CHAR(UCHAR_MAMEKEY(F7)) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CHAR(UCHAR_MAMEKEY(F8)) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CHAR(UCHAR_MAMEKEY(F9)) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CHAR(UCHAR_MAMEKEY(F10)) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_NAME("CLS/HM Copy") - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_NAME("Ins Paste") - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_NAME(UTF8_DOWN) - - PORT_START("KEY.8") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_NAME("Del Cut") - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_NAME("Caps Lock") - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_NAME("Select") - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_NAME("Print") - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_NAME(UTF8_RIGHT) - - PORT_START("KEY.9") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("KEY.10") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("KEY.11") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("KEY.12") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("KEY.13") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("KEY.14") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("KEY.15") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("JOY") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(1) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(1) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(2) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(2) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(2) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2) - - PORT_START("BUTTONS") - PORT_BIT(0x0f, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) - PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) -INPUT_PORTS_END - -static INPUT_PORTS_START( svi328 ) - PORT_INCLUDE(svi318) - - PORT_MODIFY("KEY.9") - PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) - PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) - PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) - PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) - PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) - PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) - PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) - PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) - - PORT_MODIFY("KEY.10") - PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) - PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) - PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) - PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) - PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) - PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) - PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) - PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) -INPUT_PORTS_END - - -//************************************************************************** -// VIDEO EMULATION -//************************************************************************** - -WRITE_LINE_MEMBER( svi3x8_state::intvdp_w ) -{ - m_intvdp = state; - - if (m_ctrl1 == 0) - m_maincpu->set_input_line(INPUT_LINE_NMI, m_intvdp ? ASSERT_LINE : CLEAR_LINE); - else - m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE); -} - - -//************************************************************************** -// MACHINE EMULATION -//************************************************************************** - -void svi3x8_state::machine_start() -{ - m_led_caps_lock.resolve(); - - // register for save states - save_item(NAME(m_intvdp)); - save_item(NAME(m_intexp)); - save_item(NAME(m_romdis)); - save_item(NAME(m_ramdis)); - save_item(NAME(m_cart)); - save_item(NAME(m_bk21)); - save_item(NAME(m_rom2)); - save_item(NAME(m_rom3)); - save_item(NAME(m_ctrl1)); - save_item(NAME(m_keyboard_row)); -} - -void svi3x8_state::machine_reset() -{ - m_intvdp = 0; - m_intexp = 0; - m_romdis = 1; - m_ramdis = 1; - m_cart = 1; - m_bk21 = 1; - m_rom2 = 1; - m_rom3 = 1; - m_keyboard_row = 0; - - if (m_ctrl1 == -1) - ctrl1_w(1); -} - -uint8_t svi3x8_state::mreq_r(offs_t offset) -{ - // ctrl1 inverts a15 - if (m_ctrl1 == 0) - offset ^= 0x8000; - - if (CCS1 || CCS2 || CCS3 || CCS4) - return m_cart_rom->read_rom(offset); - - uint8_t data = m_expander->mreq_r(offset); - - if (ROMCS) - data = m_basic->as_u8(offset); - - if (m_bk21 == 0 && IS_SVI328 && offset < 0x8000) - data = m_ram->read(offset); - - if (RAMCS && (IS_SVI328 || offset >= 0xc000)) - data = m_ram->read(IS_SVI328 ? offset : offset - 0xc000); - - return data; -} - -void svi3x8_state::mreq_w(offs_t offset, uint8_t data) -{ - // ctrl1 inverts a15 - if (m_ctrl1 == 0) - offset ^= 0x8000; - - if (CCS1 || CCS2 || CCS3 || CCS4) - return; - - m_expander->mreq_w(offset, data); - - if (m_bk21 == 0 && IS_SVI328 && offset < 0x8000) - m_ram->write(offset, data); - - if (RAMCS && (IS_SVI328 || offset >= 0xc000)) - m_ram->write(IS_SVI328 ? offset : offset - 0xc000, data); -} - -void svi3x8_state::bank_w(uint8_t data) -{ - logerror("bank_w: %02x\n", data); - - m_cart = BIT(data, 0); - m_bk21 = BIT(data, 1); - - m_expander->bk21_w(BIT(data, 1)); - m_expander->bk22_w(BIT(data, 2)); - m_expander->bk31_w(BIT(data, 3)); - m_expander->bk32_w(BIT(data, 4)); - - m_rom2 = BIT(data, 6); - m_rom3 = BIT(data, 7); - - m_led_caps_lock = BIT(data, 5); -} - -uint8_t svi3x8_state::ppi_port_a_r() -{ - uint8_t data = 0x3f; - - // bit 0-3, paddle or tablet input - - // bit 4-5, joystick buttons - data &= m_buttons->read(); - - // bit 6-7, cassette - data |= m_cassette->exists() ? 0x00 : 0x40; - data |= (m_cassette->input() > 0.0038) ? 0x80 : 0x00; - - return data; -} - -uint8_t svi3x8_state::ppi_port_b_r() -{ - // bit 0-7, keyboard data - return m_keyboard[m_keyboard_row]->read(); -} - -void svi3x8_state::ppi_port_c_w(uint8_t data) -{ - // bit 0-3, keyboard row - m_keyboard_row = data & 0x0f; - - // bit 4-6, cassette - m_cassette->change_state(BIT(data, 4) ? CASSETTE_MOTOR_DISABLED : CASSETTE_MOTOR_ENABLED, CASSETTE_MASK_MOTOR); - m_cassette->output(BIT(data, 5) ? -1.0 : +1.0); - //m_cassette->change_state(BIT(data, 6) ? CASSETTE_SPEAKER_ENABLED : CASSETTE_SPEAKER_MUTED, CASSETTE_MASK_SPEAKER); - - // bit 7, mix psg sound (keyboard click) - m_speaker->level_w(BIT(data, 7)); -} - -WRITE_LINE_MEMBER( svi3x8_state::intexp_w ) -{ - m_intexp = state; - - if (m_ctrl1 == 0) - m_maincpu->set_input_line(INPUT_LINE_IRQ0, m_intexp ? ASSERT_LINE : CLEAR_LINE); - else - m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE); -} - -WRITE_LINE_MEMBER( svi3x8_state::romdis_w ) -{ - m_romdis = state; -} - -WRITE_LINE_MEMBER( svi3x8_state::ramdis_w ) -{ - m_ramdis = state; -} - -WRITE_LINE_MEMBER( svi3x8_state::ctrl1_w ) -{ - m_ctrl1 = state; - - // ctrl1 disables internal io address decoding - m_io->set_bank(m_ctrl1); -} - - -//************************************************************************** -// CARTRIDGE -//************************************************************************** - -DEVICE_IMAGE_LOAD_MEMBER( svi3x8_state::cart_load ) -{ - uint32_t size = m_cart_rom->common_get_size("rom"); - - m_cart_rom->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); - m_cart_rom->common_load_rom(m_cart_rom->get_rom_base(), size, "rom"); - - return image_init_result::PASS; -} - - -//************************************************************************** -// MACHINE DEFINTIONS -//************************************************************************** - -void svi3x8_state::svi318(machine_config &config) -{ - // basic machine hardware - Z80(config, m_maincpu, XTAL(10'738'635) / 3); - m_maincpu->set_addrmap(AS_PROGRAM, &svi3x8_state::svi3x8_mem); - m_maincpu->set_addrmap(AS_IO, &svi3x8_state::svi3x8_io); - - RAM(config, m_ram).set_default_size("16K"); - - ADDRESS_MAP_BANK(config, "io").set_map(&svi3x8_state::svi3x8_io_bank).set_data_width(8).set_addr_width(9).set_stride(0x100); - - i8255_device &ppi(I8255(config, "ppi")); - ppi.in_pa_callback().set(FUNC(svi3x8_state::ppi_port_a_r)); - ppi.in_pb_callback().set(FUNC(svi3x8_state::ppi_port_b_r)); - ppi.out_pc_callback().set(FUNC(svi3x8_state::ppi_port_c_w)); - - // sound hardware - SPEAKER(config, "mono").front_center(); - SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50); - ay8910_device &psg(AY8910(config, "psg", XTAL(10'738'635) / 6)); - psg.port_a_read_callback().set_ioport("JOY"); - psg.port_b_write_callback().set(FUNC(svi3x8_state::bank_w)); - psg.add_route(ALL_OUTPUTS, "mono", 0.75); - - // cassette - CASSETTE(config, m_cassette); - m_cassette->set_default_state(CASSETTE_STOPPED); - m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); - m_cassette->set_formats(svi_cassette_formats); - m_cassette->set_interface("svi318_cass"); - SOFTWARE_LIST(config, "cass_list").set_original("svi318_cass"); - - // cartridge slot - GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "svi318_cart", "bin,rom").set_device_load(FUNC(svi3x8_state::cart_load)); - SOFTWARE_LIST(config, "cart_list").set_original("svi318_cart"); - - // expander bus - SVI_EXPANDER(config, m_expander, svi_expander_modules); - m_expander->int_handler().set(FUNC(svi3x8_state::intexp_w)); - m_expander->romdis_handler().set(FUNC(svi3x8_state::romdis_w)); - m_expander->ramdis_handler().set(FUNC(svi3x8_state::ramdis_w)); - m_expander->ctrl1_handler().set(FUNC(svi3x8_state::ctrl1_w)); - m_expander->excsr_handler().set(m_vdp, FUNC(tms9928a_device::read)); - m_expander->excsw_handler().set(m_vdp, FUNC(tms9928a_device::write)); -} - -void svi3x8_state::svi318p(machine_config &config) -{ - svi318(config); - - // video hardware - TMS9929A(config, m_vdp, XTAL(10'738'635)).set_screen("screen"); - m_vdp->set_vram_size(0x4000); - m_vdp->int_callback().set(FUNC(svi3x8_state::intvdp_w)); - SCREEN(config, "screen", SCREEN_TYPE_RASTER); -} - -void svi3x8_state::svi318n(machine_config &config) -{ - svi318(config); - TMS9928A(config, m_vdp, XTAL(10'738'635)).set_screen("screen"); - m_vdp->set_vram_size(0x4000); - m_vdp->int_callback().set(FUNC(svi3x8_state::intvdp_w)); - SCREEN(config, "screen", SCREEN_TYPE_RASTER); -} - -void svi3x8_state::svi328p(machine_config &config) -{ - svi318p(config); - m_ram->set_default_size("64K"); -} - -void svi3x8_state::svi328n(machine_config &config) -{ - svi318n(config); - m_ram->set_default_size("64K"); -} - - -//************************************************************************** -// ROM DEFINITIONS -//************************************************************************** - -// note: should be split into two 16k chips, document differenes -ROM_START( svi318 ) - ROM_REGION(0x8000, "basic", 0) - ROM_SYSTEM_BIOS(0, "v111", "SV BASIC v1.11") - ROMX_LOAD("svi111.rom", 0x0000, 0x8000, CRC(bc433df6) SHA1(10349ce675f6d6d47f0976e39cb7188eba858d89), ROM_BIOS(0)) - ROM_SYSTEM_BIOS(1, "v11", "SV BASIC v1.1") - ROMX_LOAD("svi110.rom", 0x0000, 0x8000, CRC(709904e9) SHA1(7d8daf52f78371ca2c9443e04827c8e1f98c8f2c), ROM_BIOS(1)) - ROM_SYSTEM_BIOS(2, "v10", "SV BASIC v1.0") - ROMX_LOAD("svi100.rom", 0x0000, 0x8000, CRC(98d48655) SHA1(07758272df475e5e06187aa3574241df1b14035b), ROM_BIOS(2)) -ROM_END - -#define rom_svi318n rom_svi318 -#define rom_svi328 rom_svi318 -#define rom_svi328n rom_svi318 - - -//************************************************************************** -// SYSTEM DRIVERS -//************************************************************************** - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1983, svi318, 0, 0, svi318p, svi318, svi3x8_state, empty_init, "Spectravideo", "SVI-318 (PAL)", MACHINE_SUPPORTS_SAVE ) -COMP( 1983, svi318n, svi318, 0, svi318n, svi318, svi3x8_state, empty_init, "Spectravideo", "SVI-318 (NTSC)", MACHINE_SUPPORTS_SAVE ) -COMP( 1983, svi328, 0, 0, svi328p, svi328, svi3x8_state, empty_init, "Spectravideo", "SVI-328 (PAL)", MACHINE_SUPPORTS_SAVE ) -COMP( 1983, svi328n, svi328, 0, svi328n, svi328, svi3x8_state, empty_init, "Spectravideo", "SVI-328 (NTSC)", MACHINE_SUPPORTS_SAVE ) |