diff options
Diffstat (limited to 'src/mame/drivers/samcoupe.cpp')
-rw-r--r-- | src/mame/drivers/samcoupe.cpp | 623 |
1 files changed, 0 insertions, 623 deletions
diff --git a/src/mame/drivers/samcoupe.cpp b/src/mame/drivers/samcoupe.cpp deleted file mode 100644 index c3fc4bf18fc..00000000000 --- a/src/mame/drivers/samcoupe.cpp +++ /dev/null @@ -1,623 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Lee Hammerton, Dirk Best -/*************************************************************************** - - Miles Gordon Technology SAM Coupe - - Notes: - ------ - - Beware - the early ROMs are very buggy, and tend to go mad once BASIC - starts paging. ROM 10 (version 1.0) requires the CALL after F9 or BOOT - because the ROM loads the bootstrap but fails to execute it. The address - depends on the RAM size: - - On a 256K SAM: CALL 229385 - Or on a 512K (or larger) machine: CALL 491529 - - - Todo: - ----- - - - Attribute read - - Better timing - - Harddisk interfaces - -***************************************************************************/ - -/* core includes */ -#include "emu.h" -#include "includes/samcoupe.h" - -#include "cpu/z80/z80.h" -#include "sound/saa1099.h" - -#include "screen.h" -#include "softlist.h" -#include "speaker.h" - -#include "formats/tzx_cas.h" -#include "formats/coupedsk.h" - -/*************************************************************************** - CONSTANTS -***************************************************************************/ - -#define SAMCOUPE_XTAL_X1 24_MHz_XTAL -#define SAMCOUPE_XTAL_X2 4.433619_MHz_XTAL - - -/*************************************************************************** - TIMERS -***************************************************************************/ - -void samcoupe_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - switch (id) - { - case TIMER_IRQ_OFF: - irq_off(ptr, param); - break; - case TIMER_MOUSE_RESET: - samcoupe_mouse_reset(ptr, param); - break; - case TIMER_VIDEO_UPDATE: - sam_video_update_callback(ptr, param); - break; - default: - throw emu_fatalerror("Unknown id in samcoupe_state::device_timer"); - } -} - -/*************************************************************************** - I/O PORTS -***************************************************************************/ - -READ8_MEMBER(samcoupe_state::samcoupe_disk_r) -{ - /* drive and side is encoded into bit 5 and 3 */ - floppy_connector *con = (BIT(offset, 4) ? m_wd1772_1 : m_wd1772_0); - floppy_image_device *floppy = con ? con->get_device() : nullptr; - - if(floppy) - floppy->ss_w(BIT(offset, 2)); - m_fdc->set_floppy(floppy); - - /* bit 1 and 2 select the controller register */ - return m_fdc->read(offset & 0x03); -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_disk_w) -{ - /* drive and side is encoded into bit 5 and 3 */ - floppy_connector *con = (BIT(offset, 4) ? m_wd1772_1 : m_wd1772_0); - floppy_image_device *floppy = con ? con->get_device() : nullptr; - - if(floppy) - floppy->ss_w(BIT(offset, 2)); - m_fdc->set_floppy(floppy); - - /* bit 1 and 2 select the controller register */ - return m_fdc->write(offset & 0x03, data); -} - -READ8_MEMBER(samcoupe_state::samcoupe_pen_r) -{ - uint8_t data; - - if (offset & 0x100) - { - int vpos = m_screen->vpos(); - - /* return the current screen line or 192 for the border area */ - if (vpos < SAM_BORDER_TOP || vpos >= SAM_BORDER_TOP + SAM_SCREEN_HEIGHT) - data = 192; - else - data = vpos - SAM_BORDER_TOP; - } - else - { - /* horizontal position is encoded into bits 3 to 8 */ - data = m_screen->hpos() & 0xfc; - } - - return data; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_clut_w) -{ - m_clut[(offset >> 8) & 0x0f] = data & 0x7f; -} - -READ8_MEMBER(samcoupe_state::samcoupe_status_r) -{ - uint8_t data = 0xe0; - - /* bit 5-7, keyboard input */ - if (!BIT(offset, 8)) data &= m_keyboard_row_fe->read() & 0xe0; - if (!BIT(offset, 9)) data &= m_keyboard_row_fd->read() & 0xe0; - if (!BIT(offset, 10)) data &= m_keyboard_row_fb->read() & 0xe0; - if (!BIT(offset, 11)) data &= m_keyboard_row_f7->read() & 0xe0; - if (!BIT(offset, 12)) data &= m_keyboard_row_ef->read() & 0xe0; - if (!BIT(offset, 13)) data &= m_keyboard_row_df->read() & 0xe0; - if (!BIT(offset, 14)) data &= m_keyboard_row_bf->read() & 0xe0; - if (!BIT(offset, 15)) data &= m_keyboard_row_7f->read() & 0xe0; - - /* bit 0-4, interrupt source */ - data |= m_status; - - return data; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_line_int_w) -{ - m_line_int = data; -} - -READ8_MEMBER(samcoupe_state::samcoupe_lmpr_r) -{ - return m_lmpr; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_lmpr_w) -{ - address_space &space_program = m_maincpu->space(AS_PROGRAM); - - m_lmpr = data; - samcoupe_update_memory(space_program); -} - -READ8_MEMBER(samcoupe_state::samcoupe_hmpr_r) -{ - return m_hmpr; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_hmpr_w) -{ - address_space &space_program = m_maincpu->space(AS_PROGRAM); - - m_hmpr = data; - samcoupe_update_memory(space_program); -} - -READ8_MEMBER(samcoupe_state::samcoupe_vmpr_r) -{ - return m_vmpr; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_vmpr_w) -{ - address_space &space_program = m_maincpu->space(AS_PROGRAM); - - m_vmpr = data; - samcoupe_update_memory(space_program); -} - -READ8_MEMBER(samcoupe_state::samcoupe_midi_r) -{ - logerror("%s: read from midi port\n", machine().describe_context()); - return 0xff; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_midi_w) -{ - logerror("%s: write to midi port: 0x%02x\n", machine().describe_context(), data); -} - -READ8_MEMBER(samcoupe_state::samcoupe_keyboard_r) -{ - uint8_t data = 0x1f; - - /* bit 0-4, keyboard input */ - if (!BIT(offset, 8)) data &= m_keyboard_row_fe->read() & 0x1f; - if (!BIT(offset, 9)) data &= m_keyboard_row_fd->read() & 0x1f; - if (!BIT(offset, 10)) data &= m_keyboard_row_fb->read() & 0x1f; - if (!BIT(offset, 11)) data &= m_keyboard_row_f7->read() & 0x1f; - if (!BIT(offset, 12)) data &= m_keyboard_row_ef->read() & 0x1f; - if (!BIT(offset, 13)) data &= m_keyboard_row_df->read() & 0x1f; - if (!BIT(offset, 14)) data &= m_keyboard_row_bf->read() & 0x1f; - if (!BIT(offset, 15)) data &= m_keyboard_row_7f->read() & 0x1f; - - if (offset == 0xff00) - { - data &= m_keyboard_row_ff->read() & 0x1f; - - /* if no key has been pressed, return the mouse state */ - if (data == 0x1f) - data = samcoupe_mouse_r(); - } - - /* bit 5, lightpen strobe */ - data |= 1 << 5; - - /* bit 6, cassette input */ - data |= (m_cassette->input() > 0 ? 1 : 0) << 6; - - /* bit 7, external memory */ - data |= 1 << 7; - - /* joysticks */ - if (!BIT(offset, 12)) data &= m_joy1->read() | (0xff ^ 0x1f); - if (!BIT(offset, 11)) data &= m_joy2->read() | (0xff ^ 0x1f); - - return data; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_border_w) -{ - m_border = data; - - /* bit 3, cassette output */ - m_cassette->output( BIT(data, 3) ? -1.0 : +1.0); - - /* bit 4, beep */ - m_speaker->level_w(BIT(data, 4)); -} - -READ8_MEMBER(samcoupe_state::samcoupe_attributes_r) -{ - return m_attribute; -} - -WRITE_LINE_MEMBER(samcoupe_state::write_lpt1_busy) -{ - m_lpt1_busy = state; -} - -READ8_MEMBER(samcoupe_state::samcoupe_lpt1_busy_r) -{ - return m_lpt1_busy; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_lpt1_strobe_w) -{ - m_lpt1->write_strobe(data & 1); -} - -DECLARE_WRITE_LINE_MEMBER(samcoupe_state::write_lpt2_busy) -{ - m_lpt2_busy = state; -} - -READ8_MEMBER(samcoupe_state::samcoupe_lpt2_busy_r) -{ - return m_lpt2_busy; -} - -WRITE8_MEMBER(samcoupe_state::samcoupe_lpt2_strobe_w) -{ - m_lpt2->write_strobe(data & 1); -} - -/*************************************************************************** - ADDRESS MAPS -***************************************************************************/ - -void samcoupe_state::samcoupe_mem(address_map &map) -{ - map(0x0000, 0x3fff).ram().rw(FUNC(samcoupe_state::sam_bank1_r), FUNC(samcoupe_state::sam_bank1_w)); // .bankrw("bank1"); - map(0x4000, 0x7fff).ram().rw(FUNC(samcoupe_state::sam_bank2_r), FUNC(samcoupe_state::sam_bank2_w)); // .bankrw("bank2"); - map(0x8000, 0xbfff).ram().rw(FUNC(samcoupe_state::sam_bank3_r), FUNC(samcoupe_state::sam_bank3_w)); // .bankrw("bank3"); - map(0xc000, 0xffff).ram().rw(FUNC(samcoupe_state::sam_bank4_r), FUNC(samcoupe_state::sam_bank4_w)); // .bankrw("bank4"); -} - -void samcoupe_state::samcoupe_io(address_map &map) -{ - map(0x0080, 0x0081).select(0xff00).w(FUNC(samcoupe_state::samcoupe_ext_mem_w)); - map(0x00e0, 0x00e7).select(0xff10).rw(FUNC(samcoupe_state::samcoupe_disk_r), FUNC(samcoupe_state::samcoupe_disk_w)); - map(0x00e8, 0x00e8).select(0xff00).w("lpt1_data_out", FUNC(output_latch_device::bus_w)); - map(0x00e9, 0x00e9).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_lpt1_busy_r), FUNC(samcoupe_state::samcoupe_lpt1_strobe_w)); - map(0x00ea, 0x00ea).select(0xff00).w("lpt2_data_out", FUNC(output_latch_device::bus_w)); - map(0x00eb, 0x00eb).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_lpt2_busy_r), FUNC(samcoupe_state::samcoupe_lpt2_strobe_w)); - map(0x00f8, 0x00f8).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_pen_r), FUNC(samcoupe_state::samcoupe_clut_w)); - map(0x00f9, 0x00f9).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_status_r), FUNC(samcoupe_state::samcoupe_line_int_w)); - map(0x00fa, 0x00fa).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_lmpr_r), FUNC(samcoupe_state::samcoupe_lmpr_w)); - map(0x00fb, 0x00fb).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_hmpr_r), FUNC(samcoupe_state::samcoupe_hmpr_w)); - map(0x00fc, 0x00fc).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_vmpr_r), FUNC(samcoupe_state::samcoupe_vmpr_w)); - map(0x00fd, 0x00fd).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_midi_r), FUNC(samcoupe_state::samcoupe_midi_w)); - map(0x00fe, 0x00fe).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_keyboard_r), FUNC(samcoupe_state::samcoupe_border_w)); - map(0x00ff, 0x00ff).select(0xff00).r(FUNC(samcoupe_state::samcoupe_attributes_r)); - map(0x00ff, 0x00ff).select(0xfe00).w("saa1099", FUNC(saa1099_device::data_w)); - map(0x01ff, 0x01ff).select(0xfe00).w("saa1099", FUNC(saa1099_device::control_w)); -} - - -/*************************************************************************** - INTERRUPTS -***************************************************************************/ - -TIMER_CALLBACK_MEMBER(samcoupe_state::irq_off) -{ - /* adjust STATUS register */ - m_status |= param; - - /* clear interrupt */ - if ((m_status & 0x1f) == 0x1f) - m_maincpu->set_input_line(0, CLEAR_LINE); - -} - -void samcoupe_state::samcoupe_irq(uint8_t src) -{ - /* assert irq and a timer to set it off again */ - m_maincpu->set_input_line(0, ASSERT_LINE); - timer_set(attotime::from_usec(20), TIMER_IRQ_OFF, src); - - /* adjust STATUS register */ - m_status &= ~src; -} - -INTERRUPT_GEN_MEMBER(samcoupe_state::samcoupe_frame_interrupt) -{ - /* signal frame interrupt */ - samcoupe_irq(SAM_FRAME_INT); -} - - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -static INPUT_PORTS_START( samcoupe ) - PORT_START("keyboard_row_fe") - 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_Z) PORT_CHAR('z') PORT_CHAR('Z') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR('?') - 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_V) PORT_CHAR('v') PORT_CHAR('V') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(F1)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(F2)) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(F3)) - - PORT_START("keyboard_row_fd") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR('{') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR('}') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(F4)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(F5)) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(F6)) - - PORT_START("keyboard_row_fb") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR('<') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR('>') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR('[') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(']') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(F7)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(F8)) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(F9)) - - PORT_START("keyboard_row_f7") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR(UCHAR_MAMEKEY(ESC)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) - - PORT_START("keyboard_row_ef") - 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_9) PORT_CHAR('9') PORT_CHAR(')') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('/') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('*') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - - PORT_START("keyboard_row_df") - 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_O) PORT_CHAR('o') PORT_CHAR('O') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('=') PORT_CHAR('_') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('"') PORT_CHAR(0xA9) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(F10)) - - PORT_START("keyboard_row_bf") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0xA3) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR('^') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EDIT") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) - - PORT_START("keyboard_row_7f") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SYMBOL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("INV") PORT_CODE(KEYCODE_SLASH) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CHAR('\\') - - PORT_START("keyboard_row_ff") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) - - PORT_START("mouse_buttons") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_CODE(MOUSECODE_BUTTON1) PORT_NAME("Mouse Button 1") - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON3) PORT_CODE(MOUSECODE_BUTTON3) PORT_NAME("Mouse Button 3") - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_CODE(MOUSECODE_BUTTON2) PORT_NAME("Mouse Button 2") - PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("mouse_x") - PORT_BIT(0xfff, 0x000, IPT_MOUSE_X) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) PORT_REVERSE - - PORT_START("mouse_y") - PORT_BIT(0xfff, 0x000, IPT_MOUSE_Y) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) - - PORT_START("config") - PORT_CONFNAME(0x01, 0x00, "Real Time Clock") - PORT_CONFSETTING( 0x00, DEF_STR(None)) - PORT_CONFSETTING( 0x01, "SAMBUS") - - /* Sam Coupe has single 9-pin ATARI-compatible connector but supports 2 joysticks via a splitter, - this works by using a different ground for each stick (pin 8: stick 1 gnd, pin 9: stick 2 gnd.) - Joysticks overlay number keys 6-0 for the stick 1 and 1-5 for stick 2 (same scheme as ZX Spectrum) */ - - PORT_START("joy_1") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(1) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(1) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(1) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(1) - - PORT_START("joy_2") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) -INPUT_PORTS_END - - -/*************************************************************************** - PALETTE -***************************************************************************/ - -/* - Decode colours for the palette as follows: - - bit 7 6 5 4 3 2 1 0 - nothing G+4 R+4 B+4 ALL+1 G+2 R+2 B+2 - -*/ -void samcoupe_state::samcoupe_palette(palette_device &palette) const -{ - for (int i = 0; i < 128; i++) - { - uint8_t const b = bitswap<3>(i, 4, 0, 3); - uint8_t const r = bitswap<3>(i, 5, 1, 3); - uint8_t const g = bitswap<3>(i, 6, 2, 3); - - palette.set_pen_color(i, pal3bit(r), pal3bit(g), pal3bit(b)); - } -} - - -/*************************************************************************** - MACHINE DRIVERS -***************************************************************************/ - -FLOPPY_FORMATS_MEMBER( samcoupe_state::floppy_formats ) - FLOPPY_MGT_FORMAT -FLOPPY_FORMATS_END - -static void samcoupe_floppies(device_slot_interface &device) -{ - device.option_add("35dd", FLOPPY_35_DD); -} - -void samcoupe_state::samcoupe(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, SAMCOUPE_XTAL_X1 / 4); /* 6 MHz */ - m_maincpu->set_addrmap(AS_PROGRAM, &samcoupe_state::samcoupe_mem); - m_maincpu->set_addrmap(AS_IO, &samcoupe_state::samcoupe_io); - m_maincpu->set_vblank_int("screen", FUNC(samcoupe_state::samcoupe_frame_interrupt)); - - /* video hardware */ - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_raw(SAMCOUPE_XTAL_X1/2, SAM_TOTAL_WIDTH, 0, SAM_BORDER_LEFT + SAM_SCREEN_WIDTH + SAM_BORDER_RIGHT, - SAM_TOTAL_HEIGHT, 0, SAM_BORDER_TOP + SAM_SCREEN_HEIGHT + SAM_BORDER_BOTTOM); - m_screen->set_screen_update(FUNC(samcoupe_state::screen_update)); - m_screen->set_palette("palette"); - - PALETTE(config, "palette", FUNC(samcoupe_state::samcoupe_palette), 128); - - /* devices */ - CENTRONICS(config, m_lpt1, centronics_devices, "printer"); - m_lpt1->busy_handler().set(FUNC(samcoupe_state::write_lpt1_busy)); - - output_latch_device &lpt1_data_out(OUTPUT_LATCH(config, "lpt1_data_out")); - m_lpt1->set_output_latch(lpt1_data_out); - - CENTRONICS(config, m_lpt2, centronics_devices, "printer"); - m_lpt2->busy_handler().set(FUNC(samcoupe_state::write_lpt2_busy)); - - output_latch_device &lpt2_data_out(OUTPUT_LATCH(config, "lpt2_data_out")); - m_lpt2->set_output_latch(lpt2_data_out); - - MSM6242(config, m_rtc, 32.768_kHz_XTAL); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50); - SAA1099(config, "saa1099", SAMCOUPE_XTAL_X1/3).add_route(ALL_OUTPUTS, "mono", 0.50); /* 8 MHz */ - - CASSETTE(config, m_cassette); - m_cassette->set_formats(tzx_cassette_formats); - m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED); - m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); - m_cassette->set_interface("samcoupe_cass"); - SOFTWARE_LIST(config, "cass_list").set_original("samcoupe_cass"); - - WD1772(config, m_fdc, SAMCOUPE_XTAL_X1/3); - FLOPPY_CONNECTOR(config, "wd1772:0", samcoupe_floppies, "35dd", samcoupe_state::floppy_formats); - FLOPPY_CONNECTOR(config, "wd1772:1", samcoupe_floppies, "35dd", samcoupe_state::floppy_formats); - SOFTWARE_LIST(config, "flop_list").set_original("samcoupe_flop"); - - /* internal ram */ - RAM(config, RAM_TAG).set_default_size("512K").set_extra_options("256K,1280K,1536K,2304K,2560K,3328K,3584K,4352K,4608K"); -} - - -/*************************************************************************** - ROM DEFINITIONS -***************************************************************************/ - -/* - The bios is actually 32K. This is the combined version of the two old 16K MESS roms. - It does match the 3.0 one the most, but the first half differs in one byte - and in the second half, the case of the "plc" in the company string differs. -*/ -ROM_START( samcoupe ) - ROM_REGION( 0x8000, "maincpu", 0 ) - ROM_SYSTEM_BIOS( 0, "31", "v3.1" ) - ROMX_LOAD( "rom31.z5", 0x0000, 0x8000, CRC(0b7e3585) SHA1(c86601633fb61a8c517f7657aad9af4e6870f2ee), ROM_BIOS(0) ) - ROM_SYSTEM_BIOS( 1, "30", "v3.0" ) - ROMX_LOAD( "rom30.z5", 0x0000, 0x8000, CRC(e535c25d) SHA1(d390f0be420dfb12b1e54a4f528b5055d7d97e2a), ROM_BIOS(1) ) - ROM_SYSTEM_BIOS( 2, "25", "v2.5" ) - ROMX_LOAD( "rom25.z5", 0x0000, 0x8000, CRC(ddadd358) SHA1(a25ed85a0f1134ac3a481a3225f24a8bd3a790cf), ROM_BIOS(2) ) - ROM_SYSTEM_BIOS( 3, "24", "v2.4" ) - ROMX_LOAD( "rom24.z5", 0x0000, 0x8000, CRC(bb23fee4) SHA1(10cd911ba237dd2cf0c2637be1ad6745b7cc89b9), ROM_BIOS(3) ) - ROM_SYSTEM_BIOS( 4, "21", "v2.1" ) - ROMX_LOAD( "rom21.z5", 0x0000, 0x8000, CRC(f6804b46) SHA1(11dcac5fdea782cdac03b4d0d7ac25d88547eefe), ROM_BIOS(4) ) - ROM_SYSTEM_BIOS( 5, "20", "v2.0" ) - ROMX_LOAD( "rom20.z5", 0x0000, 0x8000, CRC(eaf32054) SHA1(41736323f0236649f2d5fe111f900def8db93a13), ROM_BIOS(5) ) - ROM_SYSTEM_BIOS( 6, "181", "v1.81" ) - ROMX_LOAD( "rom181.z5", 0x0000, 0x8000, CRC(d25e1de1) SHA1(cb0fa79e4d5f7df0b57ede08ea7ecc9ae152f534), ROM_BIOS(6) ) - ROM_SYSTEM_BIOS( 7, "18", "v1.8" ) - ROMX_LOAD( "rom18.z5", 0x0000, 0x8000, CRC(f626063f) SHA1(485e7d9e9a4f8a70c0f93cd6e69ff12269438829), ROM_BIOS(7) ) - ROM_SYSTEM_BIOS( 8, "14", "v1.4" ) - ROMX_LOAD( "rom14.z5", 0x0000, 0x8000, CRC(08799596) SHA1(b4e596051f2748dee9481ea4af7d15ccddc1e1b5), ROM_BIOS(8) ) - ROM_SYSTEM_BIOS( 9, "13", "v1.3" ) - ROMX_LOAD( "rom13.z5", 0x0000, 0x8000, CRC(2093768c) SHA1(af8d348fd080b18a4cbe9ed69d254be7be330146), ROM_BIOS(9) ) - ROM_SYSTEM_BIOS( 10, "12", "v1.2" ) - ROMX_LOAD( "rom12.z5", 0x0000, 0x8000, CRC(7fe37dd8) SHA1(9339a0c1f72e8512c6f32dec15ab7d6c3bb04151), ROM_BIOS(10) ) - ROM_SYSTEM_BIOS( 11, "10", "v1.0" ) - ROMX_LOAD( "rom10.z5", 0x0000, 0x8000, CRC(3659d31f) SHA1(d3de7bb74e04d5b4dc7477f70de54d540b1bcc07), ROM_BIOS(11) ) - ROM_SYSTEM_BIOS( 12, "04", "v0.4" ) - ROMX_LOAD( "rom04.z5", 0x0000, 0x8000, CRC(f439e84e) SHA1(8bc457a5c764b0bb0aa7008c57f28c30248fc6a4), ROM_BIOS(12) ) - ROM_SYSTEM_BIOS( 13, "01", "v0.1" ) - ROMX_LOAD( "rom01.z5", 0x0000, 0x8000, CRC(c04acfdf) SHA1(8976ed005c14905eec1215f0a5c28aa686a7dda2), ROM_BIOS(13) ) -ROM_END - -/*************************************************************************** - GAME DRIVERS -***************************************************************************/ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1989, samcoupe, 0, 0, samcoupe, samcoupe, samcoupe_state, empty_init, "Miles Gordon Technology plc", "SAM Coupe", 0 ) |