diff options
Diffstat (limited to 'src/mame/drivers/fp1100.c')
-rw-r--r-- | src/mame/drivers/fp1100.c | 705 |
1 files changed, 705 insertions, 0 deletions
diff --git a/src/mame/drivers/fp1100.c b/src/mame/drivers/fp1100.c new file mode 100644 index 00000000000..6352049278c --- /dev/null +++ b/src/mame/drivers/fp1100.c @@ -0,0 +1,705 @@ +// license:BSD-3-Clause +// copyright-holders:Angelo Salese +/*************************************************************************** + + Casio FP-1100 + + Info found at various sites: + + Casio FP1000 and FP1100 are "pre-PC" personal computers, with Cassette, + Floppy Disk, Printer and 2 cart/expansion slots. They had 32K ROM, 64K + main RAM, 80x25 text display, 320x200, 640x200, 640x400 graphics display. + Floppy disk is 2x 5 1/4. + + The FP1000 had 16K videoram and monochrome only. The monitor had a switch + to invert the display (swap foreground and background colours). + + The FP1100 had 48K videoram and 8 colours. + + Processors: Z80 @ 4MHz, uPD7801G @ 2MHz + + Came with Basic built in, and you could run CP/M 2.2 from the floppy disk. + + The keyboard is a separate unit. It contains a beeper. + + TODO: + - irq sources and communications; + - unimplemented instruction PER triggered (can be ignored) + - Most of this code is guesswork, because although schematics exist, + they are too blurry to read. + - Display can be interlaced or non-interlaced. Interlaced not emulated. + - Cassette Load is quite complex, using 6 pins of the sub-cpu. Not done. + - subcpu is supposed to be in WAIT except in horizontal blanking period. + WAIT is not emulated in our cpu. + - Keyboard not working. + - FDC not done. + + + To get it to boot while in debugger: + - focus 1 + - g + - after a second it will get stuck in a loop at fc2-fc4 + - press enter until it is at fc4 + - pc++ + - g + Now it will start. You will most likely get an error message, although + sometimes you'll get the Casio Basic title. Cursor will be flashing. + - The message will most likely be blue, but it should be white. + - Sometimes it will be in inverse video, and sometimes not. + - Sometimes it will beep, and sometimes not. + - The interrupt timing is quite critical. + + +****************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "cpu/upd7810/upd7810.h" +#include "video/mc6845.h" +#include "sound/beep.h" +#include "bus/centronics/ctronics.h" +#include "imagedev/cassette.h" + +#define MAIN_CLOCK 15974400 +#define LOG 0 + +class fp1100_state : public driver_device +{ +public: + fp1100_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_palette(*this, "palette") + , m_maincpu(*this, "maincpu") + , m_subcpu(*this, "sub") + , m_crtc(*this, "crtc") + , m_p_videoram(*this, "videoram") + , m_keyboard(*this, "KEY") + , m_beep(*this, "beeper") + , m_centronics(*this, "centronics") + , m_cass(*this, "cassette") + { } + + DECLARE_WRITE8_MEMBER(main_bank_w); + DECLARE_WRITE8_MEMBER(irq_mask_w); + DECLARE_WRITE8_MEMBER(main_to_sub_w); + DECLARE_READ8_MEMBER(sub_to_main_r); + DECLARE_WRITE8_MEMBER(slot_bank_w); + DECLARE_READ8_MEMBER(slot_id_r); + DECLARE_READ8_MEMBER(main_to_sub_r); + DECLARE_WRITE8_MEMBER(sub_to_main_w); + DECLARE_WRITE8_MEMBER(colour_control_w); + DECLARE_WRITE8_MEMBER(kbd_row_w); + DECLARE_WRITE8_MEMBER(porta_w); + DECLARE_READ8_MEMBER(portb_r); + DECLARE_READ8_MEMBER(portc_r); + DECLARE_WRITE8_MEMBER(portc_w); + DECLARE_WRITE_LINE_MEMBER(centronics_busy_w); + DECLARE_WRITE_LINE_MEMBER(cass_w); + INTERRUPT_GEN_MEMBER(fp1100_vblank_irq); + DECLARE_DRIVER_INIT(fp1100); + DECLARE_MACHINE_RESET(fp1100); + MC6845_UPDATE_ROW(fp1100_update_row); + TIMER_DEVICE_CALLBACK_MEMBER(timer_c); + required_device<palette_device> m_palette; +private: + UINT8 m_irq_mask; + UINT8 m_main_latch; + UINT8 m_sub_latch; + UINT8 m_slot_num; + UINT8 m_kbd_row; + UINT8 m_col_border; + UINT8 m_col_cursor; + UINT8 m_col_display; + UINT8 m_centronics_busy; + UINT8 m_cass_data[4]; + bool m_cass_state; + bool m_cassold; + + struct { + UINT8 id; + }m_slot[8]; + + struct { + UINT8 porta; + UINT8 portb; + UINT8 portc; + }m_upd7801; + required_device<cpu_device> m_maincpu; + required_device<cpu_device> m_subcpu; + required_device<mc6845_device> m_crtc; + required_shared_ptr<UINT8> m_p_videoram; + required_ioport_array<16> m_keyboard; + required_device<beep_device> m_beep; + required_device<centronics_device> m_centronics; + required_device<cassette_image_device> m_cass; +}; + +MC6845_UPDATE_ROW( fp1100_state::fp1100_update_row ) +{ + const rgb_t *palette = m_palette->palette()->entry_list_raw(); + UINT8 r,g,b,col,i; + UINT16 mem,x; + UINT32 *p = &bitmap.pix32(y); + + if BIT(m_upd7801.porta, 4) + { // green screen + for (x = 0; x < x_count; x++) + { + mem = (((ma+x)<<3) + ra) & 0x3fff; + g = m_p_videoram[mem]; + for (i = 0; i < 8; i++) + { + col = BIT(g, i); + if (x == cursor_x) col ^= 1; + *p++ = palette[col<<1]; + } + } + } + else + { // RGB screen + for (x = 0; x < x_count; x++) + { + mem = (((ma+x)<<3) + ra) & 0x3fff; + b = m_p_videoram[mem]; + r = m_p_videoram[mem+0x4000]; + g = m_p_videoram[mem+0x8000]; + for (i = 0; i < 8; i++) + { + col = BIT(r, i) + (BIT(g, i) << 1) + (BIT(b, i) << 2); + if (x == cursor_x) col = m_col_cursor; + *p++ = palette[col]; + } + } + } +} + +/* +d0 - Package select +d1 - Bank select (at boot time) +other bits not used +*/ +WRITE8_MEMBER( fp1100_state::main_bank_w ) +{ + membank("bankr0")->set_entry( BIT(data,1)); //(1) RAM (0) ROM + m_slot_num = (m_slot_num & 3) | ((data & 1) << 2); //?? +} + +WRITE8_MEMBER( fp1100_state::irq_mask_w ) +{ + machine().scheduler().synchronize(); // force resync + m_irq_mask = data; + m_subcpu->set_input_line(UPD7810_INTF2, BIT(data, 7) ? HOLD_LINE : CLEAR_LINE); + if (LOG) printf("%s: IRQmask=%X\n",machine().describe_context(),data); +} + +WRITE8_MEMBER( fp1100_state::main_to_sub_w ) +{ +// machine().scheduler().synchronize(); // force resync +// m_subcpu->set_input_line(UPD7810_INTF2, ASSERT_LINE); + m_sub_latch = data; + if (LOG) printf("%s: From main:%X\n",machine().describe_context(),data); +} + +READ8_MEMBER( fp1100_state::sub_to_main_r ) +{ +// machine().scheduler().synchronize(); // force resync +// m_maincpu->set_input_line(0, CLEAR_LINE); + if (LOG) printf("%s: To main:%X\n",machine().describe_context(),m_main_latch); + return m_main_latch; +} + +WRITE8_MEMBER( fp1100_state::slot_bank_w ) +{ + m_slot_num = (data & 3) | (m_slot_num & 4); +} + +READ8_MEMBER( fp1100_state::slot_id_r ) +{ + //return 0xff; + return m_slot[m_slot_num & 7].id; +} + +static ADDRESS_MAP_START(fp1100_map, AS_PROGRAM, 8, fp1100_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0x8fff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0") + AM_RANGE(0x9000, 0xffff) AM_RAM AM_REGION("wram", 0x9000) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(fp1100_io, AS_IO, 8, fp1100_state ) + ADDRESS_MAP_UNMAP_HIGH + //AM_RANGE(0x0000, 0xfeff) slot memory area + AM_RANGE(0xff00, 0xff7f) AM_READWRITE(slot_id_r,slot_bank_w) + AM_RANGE(0xff80, 0xffff) AM_READ(sub_to_main_r) + AM_RANGE(0xff80, 0xff9f) AM_WRITE(irq_mask_w) + AM_RANGE(0xffa0, 0xffbf) AM_WRITE(main_bank_w) + AM_RANGE(0xffc0, 0xffff) AM_WRITE(main_to_sub_w) +ADDRESS_MAP_END + +READ8_MEMBER( fp1100_state::main_to_sub_r ) +{ +// machine().scheduler().synchronize(); // force resync +// m_subcpu->set_input_line(UPD7810_INTF2, CLEAR_LINE); + if (LOG) printf("%s: To sub:%X\n",machine().describe_context(),m_sub_latch); + return m_sub_latch; +} + +WRITE8_MEMBER( fp1100_state::sub_to_main_w ) +{ +// machine().scheduler().synchronize(); // force resync +// m_maincpu->set_input_line_and_vector(0, ASSERT_LINE, 0xf0); + m_main_latch = data; + if (LOG) printf("%s: From sub:%X\n",machine().describe_context(),data); +} + +/* +d0,1,2 - border colour (B,R,G) +d3 - not used +d4,5,6 - colour of cursor; or display area (B,R,G) (see d7) +d7 - 1=display area; 0=cursor +*/ +WRITE8_MEMBER( fp1100_state::colour_control_w ) +{ + data = BITSWAP8(data, 7, 4, 6, 5, 3, 0, 2, 1); // change BRG to RGB + + m_col_border = data & 7; + + if BIT(data, 7) + m_col_display = (data >> 4) & 7; + else + m_col_cursor = data >> 4; +} + +/* +d0,1,2,3 - keyboard scan row + - if 13, turn on shift-lock LED + - if 14, turn on caps-lock LED + - if 15, turn off both LEDs +d4 - Beeper +d5 - "3state buffer of key data line (1=open, 0=closed)" +d6,7 - not used +*/ +WRITE8_MEMBER( fp1100_state::kbd_row_w ) +{ + m_kbd_row = data & 15; + m_beep->set_state(BIT(data, 4)); +} + +static ADDRESS_MAP_START(fp1100_slave_map, AS_PROGRAM, 8, fp1100_state ) + AM_RANGE(0x0000, 0x1fff) AM_ROM AM_REGION("sub_ipl",0x0000) + AM_RANGE(0x2000, 0xdfff) AM_RAM AM_SHARE("videoram") //vram B/R/G + AM_RANGE(0xe000, 0xe000) AM_MIRROR(0x3fe) AM_DEVREADWRITE("crtc", mc6845_device, status_r,address_w) + AM_RANGE(0xe001, 0xe001) AM_MIRROR(0x3fe) AM_DEVREADWRITE("crtc", mc6845_device, register_r,register_w) + AM_RANGE(0xe400, 0xe7ff) AM_READ_PORT("DSW") AM_WRITE(kbd_row_w) + AM_RANGE(0xe800, 0xebff) AM_READWRITE(main_to_sub_r,sub_to_main_w) + //AM_RANGE(0xec00, 0xefff) "Acknowledge of INT0" doesn't seem to be used + AM_RANGE(0xf000, 0xf3ff) AM_WRITE(colour_control_w) + AM_RANGE(0xf400, 0xff7f) AM_ROM AM_REGION("sub_ipl",0x2400) + AM_RANGE(0xff80, 0xffff) AM_RAM /* upd7801 internal RAM */ +ADDRESS_MAP_END + +/* +d0,1,2 - enable RGB guns (G,R,B) +d3 - CRTC clock (80 or 40 cols) +d4 - RGB (0) or Green (1) +d5 - clear videoram +d6 - CMT baud rate (1=300; 0=1200) +d7 - CMT load clock +The SO pin is Serial Output to CMT (1=2400Hz; 0=1200Hz) +*/ +WRITE8_MEMBER( fp1100_state::porta_w ) +{ + m_upd7801.porta = data; + + if BIT(data, 5) + memset(m_p_videoram, 0, 0xc000); +} + +READ8_MEMBER( fp1100_state::portb_r ) +{ + UINT8 data = m_keyboard[m_kbd_row]->read() ^ 0xff; + //m_subcpu->set_input_line(UPD7810_INTF0, BIT(data, 7) ? HOLD_LINE : CLEAR_LINE); + return data; +} + +/* +d0 - Centronics busy +d1 - Centronics error +d2 - CMT load input clock +d7 - CMT load serial data +*/ +READ8_MEMBER( fp1100_state::portc_r ) +{ + return (m_upd7801.portc & 0x78) | m_centronics_busy; +} + +/* +d3 - cause INT on main cpu +d4 - Centronics port is used for input or output +d5 - CMT relay +d6 - Centronics strobe +*/ +WRITE8_MEMBER( fp1100_state::portc_w ) +{ + if BIT(m_irq_mask, 4) + m_maincpu->set_input_line_and_vector(0, BIT(data, 3) ? CLEAR_LINE : HOLD_LINE, 0xf0); + if (LOG) printf("%s: PortC:%X\n",machine().describe_context(),data); + m_upd7801.portc = data; + m_cass->change_state(BIT(data, 5) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); + m_centronics->write_strobe(BIT(data, 6)); +} + +static ADDRESS_MAP_START(fp1100_slave_io, AS_IO, 8, fp1100_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x00, 0x00) AM_WRITE(porta_w) + AM_RANGE(0x01, 0x01) AM_READ(portb_r) AM_DEVWRITE("cent_data_out", output_latch_device, write) + AM_RANGE(0x02, 0x02) AM_READWRITE(portc_r,portc_w) +ADDRESS_MAP_END + + +/* Input ports */ +static INPUT_PORTS_START( fp1100 ) + PORT_START("KEY.0") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("KEY.1") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") + PORT_BIT(0x70, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_NAME("Caps") + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_NAME("Graph") + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_NAME("Ctrl") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) + + PORT_START("KEY.2") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_NAME("PF0") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter") PORT_CHAR(13) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_NAME("*") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_NAME("Z") PORT_CHAR('Z') PORT_CHAR('z') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_NAME("Q") PORT_CHAR('Q') PORT_CHAR('q') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP-") PORT_CODE(KEYCODE_MINUS_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_NAME("Esc") PORT_CHAR(27) + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_NAME("A") PORT_CHAR('A') PORT_CHAR('a') + + PORT_START("KEY.3") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_NAME("PF1") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_NAME(",") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_NAME("/") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_NAME("X") PORT_CHAR('X') PORT_CHAR('x') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_NAME("W") PORT_CHAR('W') PORT_CHAR('w') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP+") PORT_CODE(KEYCODE_PLUS_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_NAME("1") PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_NAME("S") PORT_CHAR('S') PORT_CHAR('s') + + PORT_START("KEY.4") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_NAME("PF2") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_NAME(".") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME("Del") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_NAME("C") PORT_CHAR('C') PORT_CHAR('c') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_NAME("E") PORT_CHAR('E') PORT_CHAR('e') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP3") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_NAME("2") PORT_CHAR('2') PORT_CHAR('@') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_NAME("D") PORT_CHAR('D') PORT_CHAR('d') + + PORT_START("KEY.5") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_NAME("PF3") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("000") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("Right") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_NAME("V") PORT_CHAR('V') PORT_CHAR('v') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_NAME("R") PORT_CHAR('R') PORT_CHAR('r') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP6") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_NAME("3") PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_NAME("F") PORT_CHAR('F') PORT_CHAR('f') + + PORT_START("KEY.6") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_NAME("PF4") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_NAME("Space") PORT_CHAR(32) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Ins") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_NAME("B") PORT_CHAR('B') PORT_CHAR('b') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_NAME("T") PORT_CHAR('T') PORT_CHAR('t') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_NAME("4") PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_NAME("G") PORT_CHAR('G') PORT_CHAR('g') + + PORT_START("KEY.7") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_NAME("PF5") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP0") PORT_CODE(KEYCODE_0_PAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_NAME("Down") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_NAME("N") PORT_CHAR('N') PORT_CHAR('n') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_NAME("Y") PORT_CHAR('Y') PORT_CHAR('y') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP8") PORT_CODE(KEYCODE_8_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_NAME("5") PORT_CHAR('5') PORT_CHAR('^') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_NAME("H") PORT_CHAR('H') PORT_CHAR('h') + + PORT_START("KEY.8") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_NAME("PF6") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP2") PORT_CODE(KEYCODE_2_PAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_NAME("Up") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_NAME("M") PORT_CHAR('M') PORT_CHAR('m') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_NAME("U") PORT_CHAR('U') PORT_CHAR('u') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_NAME("6") PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_NAME("J") PORT_CHAR('J') PORT_CHAR('j') + + PORT_START("KEY.9") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_NAME("PF7") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP1") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_NAME("Home") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_NAME(",") PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_NAME("I") PORT_CHAR('I') PORT_CHAR('i') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP4") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_NAME("7") PORT_CHAR('7') PORT_CHAR('%') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_NAME("K") PORT_CHAR('K') PORT_CHAR('k') + + PORT_START("KEY.10") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_NAME("PF8") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_NAME("]") PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_NAME("Left") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_NAME(".") PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_NAME("O") PORT_CHAR('O') PORT_CHAR('o') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP7") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_NAME("8") PORT_CHAR('8') PORT_CHAR('*') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_NAME("L") PORT_CHAR('L') PORT_CHAR('l') + + PORT_START("KEY.11") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_NAME("PF9") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_NAME("[") PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Rubout") PORT_CHAR(8) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_NAME("/") PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_NAME("P") PORT_CHAR('P') PORT_CHAR('p') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return") PORT_CHAR(13) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_NAME("9") PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_NAME(";") PORT_CHAR(';') PORT_CHAR('+') + + PORT_START("KEY.12") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Stop/Cont") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_NAME("-") PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_NAME("Yen") PORT_CHAR('\\') PORT_CHAR('|') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(c)") + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("|") + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_NAME("^") PORT_CHAR('^') PORT_CHAR('+') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_NAME("0") PORT_CHAR('0') PORT_CHAR(')') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_NAME(":") PORT_CHAR(':') PORT_CHAR('*') + + 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("DSW") + PORT_DIPNAME( 0x01, 0x01, "Text width" ) PORT_DIPLOCATION("SW1:1") + PORT_DIPSETTING( 0x00, "40 chars/line" ) + PORT_DIPSETTING( 0x01, "80 chars/line" ) + PORT_DIPNAME( 0x02, 0x02, "Screen Mode" ) PORT_DIPLOCATION("SW1:2") + PORT_DIPSETTING( 0x00, "Screen 0" ) + PORT_DIPSETTING( 0x02, "Screen 1" ) + PORT_DIPNAME( 0x04, 0x04, "FP Mode" ) PORT_DIPLOCATION("SW1:3") + PORT_DIPSETTING( 0x00, "FP-1000" ) // Green screen + PORT_DIPSETTING( 0x04, "FP-1100" ) // RGB + PORT_DIPNAME( 0x08, 0x08, "CMT Baud Rate" ) PORT_DIPLOCATION("SW1:4") + PORT_DIPSETTING( 0x00, "1200 Baud" ) + PORT_DIPSETTING( 0x08, "300 Baud" ) + PORT_DIPNAME( 0x10, 0x10, "Printer Type" ) PORT_DIPLOCATION("SW1:5") + PORT_DIPSETTING( 0x00, "<undefined>" ) + PORT_DIPSETTING( 0x10, "FP-1012PR" ) + PORT_DIPNAME( 0x20, 0x20, "Keyboard Type" ) PORT_DIPLOCATION("SW1:6") + PORT_DIPSETTING( 0x00, "<undefined>" ) + PORT_DIPSETTING( 0x20, "Normal" ) + PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("SLOTS") + PORT_CONFNAME( 0x0003, 0x0002, "Slot #0" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x0001, "ROM" ) + PORT_CONFSETTING( 0x0002, "RAM" ) + PORT_CONFSETTING( 0x0003, "FDC" ) + PORT_CONFNAME( 0x000c, 0x0008, "Slot #1" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x0004, "ROM" ) + PORT_CONFSETTING( 0x0008, "RAM" ) + PORT_CONFSETTING( 0x000c, "FDC" ) + PORT_CONFNAME( 0x0030, 0x0020, "Slot #2" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x0010, "ROM" ) + PORT_CONFSETTING( 0x0020, "RAM" ) + PORT_CONFSETTING( 0x0030, "FDC" ) + PORT_CONFNAME( 0x00c0, 0x0080, "Slot #3" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x0040, "ROM" ) + PORT_CONFSETTING( 0x0080, "RAM" ) + PORT_CONFSETTING( 0x00c0, "FDC" ) + PORT_CONFNAME( 0x0300, 0x0200, "Slot #4" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x0100, "ROM" ) + PORT_CONFSETTING( 0x0200, "RAM" ) + PORT_CONFSETTING( 0x0300, "FDC" ) + PORT_CONFNAME( 0x0c00, 0x0800, "Slot #5" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x0400, "ROM" ) + PORT_CONFSETTING( 0x0800, "RAM" ) + PORT_CONFSETTING( 0x0c00, "FDC" ) + PORT_CONFNAME( 0x3000, 0x2000, "Slot #6" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x1000, "ROM" ) + PORT_CONFSETTING( 0x2000, "RAM" ) + PORT_CONFSETTING( 0x3000, "FDC" ) + PORT_CONFNAME( 0xc000, 0x8000, "Slot #7" ) + PORT_CONFSETTING( 0x0000, "(null)" ) + PORT_CONFSETTING( 0x4000, "ROM" ) + PORT_CONFSETTING( 0x8000, "RAM" ) + PORT_CONFSETTING( 0xc000, "FDC" ) +INPUT_PORTS_END + + +static const gfx_layout fp1100_chars_8x8 = +{ + 8,8, + 256, + 1, + { 0 }, + { 7, 6, 5, 4, 3, 2, 1, 0 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 +}; + +static GFXDECODE_START( fp1100 ) + GFXDECODE_ENTRY( "sub_ipl", 0x2400, fp1100_chars_8x8, 0, 1 ) +GFXDECODE_END + +WRITE_LINE_MEMBER( fp1100_state::centronics_busy_w ) +{ + m_centronics_busy = state; +} + +WRITE_LINE_MEMBER( fp1100_state::cass_w ) +{ + m_cass_state = state; +} + +TIMER_DEVICE_CALLBACK_MEMBER( fp1100_state::timer_c ) +{ + m_cass_data[3]++; + + if (m_cass_state != m_cassold) + { + m_cass_data[3] = 0; + m_cassold = m_cass_state; + } + + if (m_cass_state) + m_cass->output(BIT(m_cass_data[3], 0) ? -1.0 : +1.0); // 2400Hz + else + m_cass->output(BIT(m_cass_data[3], 1) ? -1.0 : +1.0); // 1200Hz +} + +INTERRUPT_GEN_MEMBER(fp1100_state::fp1100_vblank_irq) +{ +// if BIT(m_irq_mask, 4) +// m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xf8); +} + +MACHINE_RESET_MEMBER( fp1100_state, fp1100 ) +{ + int i; + UINT8 slot_type; + const UINT8 id_type[4] = { 0xff, 0x00, 0x01, 0x04}; + for(i=0;i<8;i++) + { + slot_type = (ioport("SLOTS")->read() >> i*2) & 3; + m_slot[i].id = id_type[slot_type]; + } + + m_beep->set_frequency(950); /* guess */ + m_beep->set_state(0); + + membank("bankr0")->set_entry(0); // point at rom + membank("bankw0")->set_entry(0); // always write to ram + + m_irq_mask = 0; + m_main_latch = 0; + m_sub_latch = 0; + m_slot_num = 0; + m_kbd_row = 0; + m_col_border = 0; + m_col_cursor = 0; + m_col_display = 0; + m_upd7801.porta = 0; + m_upd7801.portb = 0; + m_upd7801.portc = 0; +} + +DRIVER_INIT_MEMBER( fp1100_state, fp1100 ) +{ + UINT8 *main = memregion("ipl")->base(); + UINT8 *wram = memregion("wram")->base(); + + membank("bankr0")->configure_entry(1, &wram[0x0000]); + membank("bankr0")->configure_entry(0, &main[0x0000]); + membank("bankw0")->configure_entry(0, &wram[0x0000]); +} + +static MACHINE_CONFIG_START( fp1100, fp1100_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80, MAIN_CLOCK/4) + MCFG_CPU_PROGRAM_MAP(fp1100_map) + MCFG_CPU_IO_MAP(fp1100_io) + MCFG_CPU_VBLANK_INT_DRIVER("screen", fp1100_state, fp1100_vblank_irq) + + MCFG_CPU_ADD( "sub", UPD7801, MAIN_CLOCK/4 ) + MCFG_CPU_PROGRAM_MAP( fp1100_slave_map ) + MCFG_CPU_IO_MAP( fp1100_slave_io ) + MCFG_UPD7810_TXD(WRITELINE(fp1100_state, cass_w)) + + MCFG_MACHINE_RESET_OVERRIDE(fp1100_state, fp1100) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(640, 480) + MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) + MCFG_SCREEN_UPDATE_DEVICE("crtc", h46505_device, screen_update) + MCFG_PALETTE_ADD("palette", 8) + MCFG_GFXDECODE_ADD("gfxdecode", "palette", fp1100) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("beeper", BEEP, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) // inside the keyboard + + /* CRTC */ + MCFG_MC6845_ADD("crtc", H46505, "screen", MAIN_CLOCK/8) /* hand tuned to get ~60 fps */ + MCFG_MC6845_SHOW_BORDER_AREA(false) + MCFG_MC6845_CHAR_WIDTH(8) + MCFG_MC6845_UPDATE_ROW_CB(fp1100_state, fp1100_update_row) + + /* Printer */ + MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer") + MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(fp1100_state, centronics_busy_w)) + MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics") + + /* Cassette */ + MCFG_CASSETTE_ADD("cassette") + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED) + MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", fp1100_state, timer_c, attotime::from_hz(4800)) // cass write +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( fp1100 ) + ROM_REGION( 0x9000, "ipl", ROMREGION_ERASEFF ) + ROM_LOAD( "basic.rom", 0x0000, 0x9000, BAD_DUMP CRC(7c7dd17c) SHA1(985757b9c62abd17b0bd77db751d7782f2710ec3)) + + ROM_REGION( 0x3000, "sub_ipl", ROMREGION_ERASEFF ) + ROM_LOAD( "sub1.rom", 0x0000, 0x1000, CRC(8feda489) SHA1(917d5b398b9e7b9a6bfa5e2f88c5b99923c3c2a3)) + ROM_LOAD( "sub2.rom", 0x1000, 0x1000, CRC(359f007e) SHA1(0188d5a7b859075cb156ee55318611bd004128d7)) + ROM_LOAD( "sub3.rom", 0x2000, 0xf80, BAD_DUMP CRC(fb2b577a) SHA1(a9ae6b03e06ea2f5db30dfd51ebf5aede01d9672)) + + ROM_REGION( 0x10000, "wram", ROMREGION_ERASE00 ) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +COMP( 1983, fp1100, 0, 0, fp1100, fp1100, fp1100_state, fp1100, "Casio", "FP-1100", MACHINE_NOT_WORKING) |