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Diffstat (limited to 'src/mame/drivers/avigo.cpp')
-rw-r--r-- | src/mame/drivers/avigo.cpp | 1017 |
1 files changed, 1017 insertions, 0 deletions
diff --git a/src/mame/drivers/avigo.cpp b/src/mame/drivers/avigo.cpp new file mode 100644 index 00000000000..f9730f56c90 --- /dev/null +++ b/src/mame/drivers/avigo.cpp @@ -0,0 +1,1017 @@ +// license:GPL-2.0+ +// copyright-holders:Kevin Thacker,Sandro Ronco +/****************************************************************************** + + avigo.c + + TI "Avigo" PDA + + + system driver + + Documentation: + Hans B Pufal + Avigo simulator + + + MEMORY MAP: + 0x0000-0x03fff: flash 0 block 0 + 0x4000-0x07fff: bank 1 + 0x8000-0x0bfff: bank 2 + 0xc000-0x0ffff: ram block 0 + + Bankswitch: + Bank 1 is controlled by ports 5 and 6, port 5 is the bank select + and port 6 is the chip select, the known chip select are: + - 0: flash 0 + - 1: RAM + - 3: flash 1 + - 5: flash 2 (optional) + - 6: VideoRAM + - 7: flash 0 + + Bank 2 have the same behavior but is controlled by ports 7 and 8 + + Hardware: + - Z80 CPU + - 16c500c UART + - amd29f080 flash-file memory x 3 (3mb) + - 128k ram + - stylus pen + - touch-pad screen + + Flash: + The following flash ID are checked by Avigo OS, if the returned + ID is different the PDA doesn't boot. + + Maker ID Device ID Description + 0xb0 0x21 Sharp LH28F004 + 0x89 0xa6 Sharp LH28F008 + 0x89 0xaa Sharp LH28F016 + 0xb0 0x88 Sharp LH28F032 + 0x01 0xa4 AMD AM29F040 + 0x01 0xd5 AMD AM29F080 + 0x01 0xad AMD AM29F016 + + TODO: + - Found a better way to emulate the touchscreen panel out of the screen + area (the six buttons at the bottom) + - Alarm doesn't work + - Serial communications and IR port. + + I don't have any documentation on the hardware, so a lot of this + driver has been written using educated guesswork and a lot of help + from an existing emulation written by Hans Pufal. Hans's emulator + is also written from educated guesswork. + + MESS Driver by Kevin Thacker and Sandro Ronco + + ******************************************************************************/ + + +#include "includes/avigo.h" +#include "avigo.lh" + + +#define AVIGO_LOG 0 +#define LOG(x) do { if (AVIGO_LOG) logerror x; } while (0) + + +/* memory 0x0000-0x03fff */ +READ8_MEMBER(avigo_state::flash_0x0000_read_handler) +{ + return m_flashes[0]->read(offset); +} + +/* memory 0x0000-0x03fff */ +WRITE8_MEMBER(avigo_state::flash_0x0000_write_handler) +{ + m_flashes[0]->write(offset, data); +} + +/* memory 0x04000-0x07fff */ +READ8_MEMBER(avigo_state::flash_0x4000_read_handler) +{ + return m_flashes[m_flash_at_0x4000]->read((m_bank1_l<<14) | offset); +} + +/* memory 0x04000-0x07fff */ +WRITE8_MEMBER(avigo_state::flash_0x4000_write_handler) +{ + m_flashes[m_flash_at_0x4000]->write((m_bank1_l<<14) | offset, data); +} + +/* memory 0x08000-0x0bfff */ +READ8_MEMBER(avigo_state::flash_0x8000_read_handler) +{ + return m_flashes[m_flash_at_0x8000]->read((m_bank2_l<<14) | offset); +} + +/* memory 0x08000-0x0bfff */ +WRITE8_MEMBER(avigo_state::flash_0x8000_write_handler) +{ + m_flashes[m_flash_at_0x8000]->write((m_bank2_l<<14) | offset, data); +} + + +/* + IRQ bits (port 3) ordered by priority: + + bit 7: power down request high priority. When it occurs, clear this bit. + bit 5: real time clock + bit 3: uart int + bit 6: pen int An interrupt when pen is pressed against screen. + bit 4: 1 sec int used for auto power off + bit 2: synchronisation link interrupt???keyboard int ;; check bit 5 of port 1, + bit 1: ??? (cleared in nmi, and then set again) + bit 0: not checked, probably unused +*/ + +void avigo_state::refresh_ints() +{ + if (m_irq!=0) + m_maincpu->set_input_line(0, HOLD_LINE); + else + m_maincpu->set_input_line(0, CLEAR_LINE); +} + +/* does not do anything yet */ +WRITE_LINE_MEMBER( avigo_state::tc8521_alarm_int ) +{ +//#if 0 + m_irq &=~(1<<5); + + if (state) + { + m_irq |= (1<<5); + } + + refresh_ints(); +//#endif +} + +void avigo_state::refresh_memory(UINT8 bank, UINT8 chip_select) +{ + address_space& space = m_maincpu->space(AS_PROGRAM); + int &active_flash = (bank == 1 ? m_flash_at_0x4000 : m_flash_at_0x8000); + char bank_tag[6]; + + LOG(("Chip %02x mapped at %04x - %04x\n", chip_select, bank * 0x4000, bank * 0x4000 + 0x3fff)); + + switch (chip_select) + { + case 0x06: // videoram + space.install_readwrite_handler(bank * 0x4000, bank * 0x4000 + 0x3fff, read8_delegate(FUNC(avigo_state::vid_memory_r), this), write8_delegate(FUNC(avigo_state::vid_memory_w), this)); + active_flash = -1; + break; + + case 0x01: // banked RAM + sprintf(bank_tag,"bank%d", bank); + membank(bank_tag)->set_base(m_ram_base + (((bank == 1 ? m_bank1_l : m_bank2_l) & 0x07)<<14)); + space.install_readwrite_bank (bank * 0x4000, bank * 0x4000 + 0x3fff, bank_tag); + active_flash = -1; + break; + + case 0x00: // flash 0 + case 0x03: // flash 1 + case 0x05: // flash 2 + case 0x07: // flash 0 + if (active_flash < 0) // to avoid useless calls to install_readwrite_handler that cause slowdowns + { + if (bank == 1) + space.install_readwrite_handler(0x4000, 0x7fff, read8_delegate(FUNC(avigo_state::flash_0x4000_read_handler), this), write8_delegate(FUNC(avigo_state::flash_0x4000_write_handler), this)); + else + space.install_readwrite_handler(0x8000, 0xbfff, read8_delegate(FUNC(avigo_state::flash_0x8000_read_handler), this), write8_delegate(FUNC(avigo_state::flash_0x8000_write_handler), this)); + } + + switch (chip_select) + { + case 0x00: + case 0x07: active_flash = 0; break; + case 0x03: active_flash = 1; break; + case 0x05: active_flash = 2; break; + } + break; + + default: + logerror("Unknown chip %02x mapped at %04x - %04x\n", chip_select, bank * 0x4000, bank * 0x4000 + 0x3fff); + space.unmap_readwrite(bank * 0x4000, bank * 0x4000 + 0x3fff); + active_flash = -1; + break; + } +} + + +WRITE_LINE_MEMBER( avigo_state::com_interrupt ) +{ + LOG(("com int\r\n")); + + m_irq &= ~(1<<3); + + if (state) + { + m_irq |= (1<<3); + } + + refresh_ints(); +} + +void avigo_state::machine_reset() +{ + /* if is a cold start initialize flash contents */ + if (!m_warm_start) + { + memcpy(m_flashes[0]->space().get_read_ptr(0), memregion("bios")->base() + 0x000000, 0x100000); + memcpy(m_flashes[1]->space().get_read_ptr(0), memregion("bios")->base() + 0x100000, 0x100000); + } + + m_irq = 0; + m_bank1_l = 0; + m_bank1_h = 0; + m_bank2_l = 0; + m_bank2_h = 0; + m_flash_at_0x4000 = -1; + m_flash_at_0x8000 = -1; + + refresh_memory(1, m_bank1_h & 0x07); + refresh_memory(2, m_bank2_h & 0x07); +} + +void avigo_state::machine_start() +{ + m_ram_base = (UINT8*)m_ram->pointer(); + + // bank3 always first ram bank + membank("bank3")->set_base(m_ram_base); + + /* keep machine pointers to flash devices */ + m_flashes[0] = machine().device<intelfsh8_device>("flash0"); + m_flashes[1] = machine().device<intelfsh8_device>("flash1"); + m_flashes[2] = machine().device<intelfsh8_device>("flash2"); + + machine().device<nvram_device>("nvram")->set_base(m_ram_base, m_ram->size()); + m_warm_start = 1; + + // register for state saving + save_item(NAME(m_key_line)); + save_item(NAME(m_irq)); + save_item(NAME(m_port2)); + save_item(NAME(m_bank2_l)); + save_item(NAME(m_bank2_h)); + save_item(NAME(m_bank1_l)); + save_item(NAME(m_bank1_h)); + save_item(NAME(m_ad_control_status)); + save_item(NAME(m_flash_at_0x4000)); + save_item(NAME(m_flash_at_0x8000)); + save_item(NAME(m_ad_value)); + save_item(NAME(m_screen_column)); + save_item(NAME(m_warm_start)); + + // save all flash contents + save_pointer(NAME((UINT8*)m_flashes[0]->space().get_read_ptr(0)), 0x100000); + save_pointer(NAME((UINT8*)m_flashes[1]->space().get_read_ptr(0)), 0x100000); + save_pointer(NAME((UINT8*)m_flashes[2]->space().get_read_ptr(0)), 0x100000); + + // register postload callback + machine().save().register_postload(save_prepost_delegate(FUNC(avigo_state::postload), this)); +} + +void avigo_state::postload() +{ + // refresh the bankswitch + refresh_memory(1, m_bank1_h & 0x07); + refresh_memory(2, m_bank2_h & 0x07); +} + +static ADDRESS_MAP_START( avigo_mem , AS_PROGRAM, 8, avigo_state) + AM_RANGE(0x0000, 0x3fff) AM_READWRITE(flash_0x0000_read_handler, flash_0x0000_write_handler) + AM_RANGE(0x4000, 0x7fff) AM_READWRITE_BANK("bank1") + AM_RANGE(0x8000, 0xbfff) AM_READWRITE_BANK("bank2") + AM_RANGE(0xc000, 0xffff) AM_READWRITE_BANK("bank3") +ADDRESS_MAP_END + + +READ8_MEMBER(avigo_state::key_data_read_r) +{ + UINT8 data = 0x0f; + + if (!(m_key_line & 0x01)) + { + data &= ioport("LINE0")->read(); + } + + if (!(m_key_line & 0x02)) + { + data &= ioport("LINE1")->read(); + } + + if (!(m_key_line & 0x04)) + { + data &= ioport("LINE2")->read(); + } + + /* bit 3 is cold/warm start */ + data &= ((m_warm_start<<3) ^ 0xff); + + /* if bit 5 is clear shows synchronisation logo! */ + data |= (1<<5); + + return data; +} + + +/* set key line(s) to read */ +/* bit 0 set for line 0, bit 1 set for line 1, bit 2 set for line 2 */ +WRITE8_MEMBER(avigo_state::set_key_line_w) +{ + /* 5, 101, read back 3 */ + m_key_line = data; + + m_warm_start = BIT(data, 3); +} + +READ8_MEMBER(avigo_state::irq_r) +{ + return m_irq; +} + +WRITE8_MEMBER(avigo_state::irq_w) +{ + m_irq &= data; + + refresh_ints(); +} + +WRITE8_MEMBER(avigo_state::port2_w) +{ + /* + bit 4 LCD backlight on/off + bit 5-6 source select for a/d converter + */ + + if ((m_port2 ^ data) & 0x10) + popmessage("Backlight %s", data & 0x10 ? "on" : "off"); + + m_port2 = data; +} + +READ8_MEMBER(avigo_state::bank1_r) +{ + return offset ? m_bank1_h: m_bank1_l; +} + +READ8_MEMBER(avigo_state::bank2_r) +{ + return offset ? m_bank2_h: m_bank2_l; +} + +WRITE8_MEMBER(avigo_state::bank1_w) +{ + if (offset) + { + LOG(("bank1 h w: %04x\n", data)); + m_bank1_h = data; + } + else + { + LOG(("bank1 l w: %04x\n", data)); + m_bank1_l = data & 0x3f; + } + + refresh_memory(1, m_bank1_h & 0x07); +} + +WRITE8_MEMBER(avigo_state::bank2_w) +{ + if (offset) + { + LOG(("bank2 h w: %04x\n", data)); + m_bank2_h = data; + } + else + { + LOG(("bank2 l w: %04x\n", data)); + m_bank2_l = data & 0x3f; + } + + refresh_memory(2, m_bank2_h & 0x07); +} + +READ8_MEMBER(avigo_state::ad_control_status_r) +{ + LOG(("avigo ad control read %02x\n", (int) m_ad_control_status)); + return m_ad_control_status; +} + + +WRITE8_MEMBER(avigo_state::ad_control_status_w) +{ + LOG(("avigo ad control w %02x\n",data)); + + switch (m_port2 & 0x60) + { + case 0x20: + // read main battery status valid range 0x000-0x3ff + LOG(("a/d main battery status\n")); + + m_ad_value = 0x3ff; + break; + case 0x40: + // read backup battery status valid range 0x000-0x3ff + LOG(("a/d backup battery status\n")); + + m_ad_value = 0x3ff; + break; + case 0x60: + if ((data & 0x070)==0x070) + { + /* bit 3 appears to select between 1 = x coord, 0 = y coord */ + /* when 6,5,4 = 1 */ + if ((data & 0x08)!=0) + { + LOG(("a/d select x coordinate\n")); + LOG(("x coord: %d\n", ioport("POSX")->read())); + + /* on screen range 0x060->0x03a0 */ + if (ioport("LINE3")->read() & 0x01) + { + /* this might not be totally accurate because hitable screen + area may include the border around the screen! */ + m_ad_value = ioport("POSX")->read(); + } + else + { + m_ad_value = 0; + } + + LOG(("ad value: %d\n",m_ad_value)); + + } + else + { + /* in the avigo rom, the y coordinate is inverted! */ + /* therefore a low value would be near the bottom of the display, + and a high value at the top */ + + /* total valid range 0x044->0x03a6 */ + /* 0x0350 is also checked */ + + /* assumption 0x044->0x0350 is screen area and + 0x0350->0x03a6 is panel at bottom */ + + LOG(("a/d select y coordinate\n")); + LOG(("y coord: %d\n", ioport("POSY")->read())); + + if (ioport("LINE3")->read() & 0x01) + { + m_ad_value = ioport("POSY")->read(); + } + else + { + m_ad_value = 0; + } + + LOG(("ad value: %d\n",m_ad_value)); + } + } + } + + /* bit 0: 1 if a/d complete, 0 if a/d not complete */ + m_ad_control_status = data | 1; +} + +READ8_MEMBER(avigo_state::ad_data_r) +{ + UINT8 data = 0; + + /* original */ + + /* status AND 11110111 */ + /* status OR 01110000 -> C20F */ + + switch (m_ad_control_status & 0x078) + { + /* x1110xxx */ + /* read upper 4 bits of 10 bit A/D number */ + case 0x060: + case 0x070: + case 0x078: + { + /* upper 4 bits of 10 bit A/D number in bits 7-4 of data */ + /* bit 0 must be 0, bit 1 must be 0 */ + /* bit 3 must be 1. bit 2 can have any value */ + + LOG(("a/d read upper 4 bits\n")); + data = ((m_ad_value>>6) & 0x0f)<<4; + data |= 8; + } + break; + + /* x0111xxx */ + case 0x020: + case 0x038: + { + /* lower 6 bits of 10-bit A/D number in bits 7-2 of data */ + /* bit 0 must be 1, bit 1 must be 0 */ + + LOG(("a/d lower 6-bits\n")); + data = ((m_ad_value & 0x03f)<<2); + data |= 1; + } + break; + + default: + break; + } + + /* x coord? */ + /* wait for bit 0 of status to become 1 */ + /* read data -> d */ + + + /* C20f AND 10111111 */ + /* C20f OR 00001000 */ + /* x0111xxx */ + + /* bit 1 must be 0, bit 0 must be 1 */ + /* read data -> e */ + + /* upper 4 bits of d contain data */ + /* bits 0 and 1 do not contain data of e, but all other bits do */ + + /* get bit 5 and 6 of d */ + /* and put into bit 0 and 1 of e */ + + /* C20f OR 01000000 */ + /* x1111xxx */ + + /* y coord? */ + /* bit 0 must be 0, bit 1 must be 0 */ + /* bit 3 must be 1. bit 2 can have any value */ + /* read data -> d */ + + /* C20f AND 10111111 */ + /* x0111xxx */ + + /* bit 1 must be 0, bit 0 must be 1 */ + /* read data -> e */ + + + /* original and 1111100 */ + /* original or 1111000 */ + /* 1111x00 */ + + + + /* if fails! */ + /* original */ + /* AND 1001100 */ + /* OR 1001000 */ + /* 1001x00 */ + + + /* AND 1101100 */ + /* OR 1101000 */ + /* 1101x00 */ + + /* 1111x00 */ + + LOG(("avigo ad read %02x\n",data)); + + return data; +} + + +WRITE8_MEMBER(avigo_state::speaker_w) +{ + /* Speaker output state */ + m_speaker->level_w(BIT(data, 3)); +} + + +/* port 0x04: + + bit 7: ??? if set, does a write 0x00 to 0x02e */ + + /* port 0x029: + port 0x02e */ +READ8_MEMBER(avigo_state::port_04_r) +{ + /* must be both 0 for it to boot! */ + return 0x0ff^((1<<7) | (1<<5)); +} + + + +static ADDRESS_MAP_START( avigo_io, AS_IO, 8, avigo_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x001, 0x001) AM_READWRITE( key_data_read_r, set_key_line_w ) + AM_RANGE(0x002, 0x002) AM_WRITE( port2_w ) + AM_RANGE(0x003, 0x003) AM_READWRITE( irq_r, irq_w ) + AM_RANGE(0x004, 0x004) AM_READ( port_04_r ) + AM_RANGE(0x005, 0x006) AM_READWRITE( bank1_r, bank1_w ) + AM_RANGE(0x007, 0x008) AM_READWRITE( bank2_r, bank2_w ) + AM_RANGE(0x009, 0x009) AM_READWRITE( ad_control_status_r, ad_control_status_w ) + AM_RANGE(0x010, 0x01f) AM_DEVREADWRITE("rtc", rp5c01_device, read, write) + AM_RANGE(0x028, 0x028) AM_WRITE( speaker_w ) + AM_RANGE(0x02d, 0x02d) AM_READ( ad_data_r ) + AM_RANGE(0x030, 0x037) AM_DEVREADWRITE("ns16550", ns16550_device, ins8250_r, ins8250_w ) +ADDRESS_MAP_END + + +INPUT_CHANGED_MEMBER( avigo_state::pen_irq ) +{ + LOG(("pen pressed interrupt\n")); + + // an irq is generated when the pen is pressed down on the screen + // or lifted up from the screen + m_irq |= (1<<6); + + refresh_ints(); +} + +INPUT_CHANGED_MEMBER( avigo_state::pen_move_irq ) +{ + // an irq is generated when the pen is down on the screen and is being moved + if (ioport("LINE3")->read() & 0x01) + { + LOG(("pen move interrupt\n")); + m_irq |= (1<<6); + + refresh_ints(); + } +} + +INPUT_CHANGED_MEMBER( avigo_state::kb_irq ) +{ + LOG(("key pressed interrupt\n")); + + if (!newval) + { + m_irq |= (1<<2); + + refresh_ints(); + } +} + +INPUT_CHANGED_MEMBER( avigo_state::power_down_irq ) +{ + if(newval) + { + m_irq |= (1<<7); + + refresh_ints(); + } +} + +static INPUT_PORTS_START(avigo) + PORT_START("LINE0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("PAGE UP") PORT_CODE(KEYCODE_PGUP) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("PAGE DOWN") PORT_CODE(KEYCODE_PGDN) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("LIGHT") PORT_CODE(KEYCODE_L) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("LINE1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("TO DO") PORT_CODE(KEYCODE_T) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("ADDRESS") PORT_CODE(KEYCODE_A) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("SCHEDULE") PORT_CODE(KEYCODE_S) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("LINE2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("MEMO") PORT_CODE(KEYCODE_M) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, kb_irq, NULL ) + PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("LINE3") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Pen/Stylus pressed") PORT_CODE(KEYCODE_ENTER) PORT_CODE(MOUSECODE_BUTTON1) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, pen_irq, NULL ) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("?? Causes a NMI") PORT_CODE(KEYCODE_W) PORT_CODE(JOYCODE_BUTTON2) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Power Down") PORT_CODE(KEYCODE_Q) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, power_down_irq, NULL ) + + /* these two ports are used to emulate the position of the pen/stylus on the screen */ + PORT_START("POSX") /* Mouse - X AXIS */ + PORT_BIT(0x3ff, 0x060, IPT_LIGHTGUN_X) PORT_SENSITIVITY(100) PORT_CROSSHAIR(X, 1, 0, 0) PORT_MINMAX(0x060, 0x3a0) PORT_KEYDELTA(10) PORT_PLAYER(1) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, pen_move_irq, NULL ) + + PORT_START("POSY") /* Mouse - Y AXIS */ + PORT_BIT(0x3ff, 0x044, IPT_LIGHTGUN_Y) PORT_SENSITIVITY(100) PORT_CROSSHAIR(Y, 1, 0, 0) PORT_MINMAX(0x044, 0x3a6) PORT_INVERT PORT_KEYDELTA(10) PORT_PLAYER(1) PORT_CHANGED_MEMBER( DEVICE_SELF, avigo_state, pen_move_irq, NULL ) +INPUT_PORTS_END + +/* F4 Character Displayer */ +static const gfx_layout avigo_charlayout = +{ + 8, 16, /* 8 x 16 characters */ + 96, /* 96 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, + /* y offsets */ + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, + 8*16 /* every char takes 16 bytes */ +}; + +static const gfx_layout avigo_8_by_14 = +{ + 8, 14, /* 8 x 16 characters */ + 1024, /* 1024 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, + /* y offsets */ + { 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, + 8*32 /* every char takes 32 bytes */ +}; + +static const gfx_layout avigo_16_by_15 = +{ + 16, 15, /* 8 x 16 characters */ + 1024, /* 1024 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + /* y offsets */ + { 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, + 16*16 /* every char takes 16 bytes */ +}; + +static const gfx_layout avigo_15_by_16 = +{ + 15, 16, /* 8 x 16 characters */ + 1024, /* 1024 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, + /* y offsets */ + { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }, + 16*16 /* every char takes 16 bytes */ +}; + +static const gfx_layout avigo_8_by_8 = +{ + 8, 8, /* 8 x 8 characters */ + 256, /* 256 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, + /* y offsets */ + { 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8 }, + 16*16 /* every char takes 16 bytes */ +}; + +static const gfx_layout avigo_6_by_8 = +{ + 6, 8, /* 6 x 8 characters */ + 255, /* 255 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + /* y offsets */ + { 7, 6, 5, 4, 3, 2, 1, 0 }, + 16*16 /* every char takes 16 bytes */ +}; + +static GFXDECODE_START( avigo ) + GFXDECODE_ENTRY( "bios", 0x08992, avigo_charlayout, 0, 1 ) + GFXDECODE_ENTRY( "bios", 0x0c020, avigo_8_by_14, 0, 1 ) + GFXDECODE_ENTRY( "bios", 0x0c020, avigo_16_by_15, 0, 1 ) + GFXDECODE_ENTRY( "bios", 0x14020, avigo_15_by_16, 0, 1 ) + GFXDECODE_ENTRY( "bios", 0x1c020, avigo_8_by_8, 0, 1 ) + GFXDECODE_ENTRY( "bios", 0x1e020, avigo_6_by_8, 0, 1 ) +GFXDECODE_END + + +TIMER_DEVICE_CALLBACK_MEMBER(avigo_state::avigo_scan_timer) +{ + m_irq |= (1<<1); + + refresh_ints(); +} + +TIMER_DEVICE_CALLBACK_MEMBER(avigo_state::avigo_1hz_timer) +{ + m_irq |= (1<<4); + + refresh_ints(); +} + +QUICKLOAD_LOAD_MEMBER( avigo_state,avigo) +{ + address_space& flash1 = m_flashes[1]->space(0); + const char *systemname = machine().system().name; + UINT32 first_app_page = (0x50000>>14); + int app_page; + + // german and spanish language are 4 pages bigger than other + if ( strcmp( systemname, "avigo_de" ) == 0 || strcmp( systemname, "avigo_es" ) == 0 ) + first_app_page += 4; + + // search the first empty page + for (app_page = first_app_page + 1; app_page<0x40; app_page++) + { + bool empty_page = true; + + for (int offset=0; offset<0x4000; offset++) + { + if (flash1.read_byte((app_page<<14) + offset) != 0xff) + { + empty_page = false; + break; + } + } + + if (empty_page) + break; + } + + // if there is the required free space installs the application + if ((app_page + (image.length()>>14)) < 0x40) + { + logerror("Application loaded at 0x%05x-0x%05x\n", app_page<<14, (app_page<<14) + (UINT32)image.length()); + + // copy app file into flash memory + image.fread((UINT8*)m_flashes[1]->space().get_read_ptr(app_page<<14), image.length()); + + // update the application ID + flash1.write_byte((app_page<<14) + 0x1a5, 0x80 + (app_page - (first_app_page>>14))); + + // reset the CPU for allow at the Avigo OS to recognize the installed app + m_warm_start = 1; + m_maincpu->reset(); + + return IMAGE_INIT_PASS; + } + + return IMAGE_INIT_FAIL; +} + +void avigo_state::nvram_init(nvram_device &nvram, void *base, size_t size) +{ + m_warm_start = 0; + memset(base, 0x00, size); +} + +static MACHINE_CONFIG_START( avigo, avigo_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80, 4000000) + MCFG_CPU_PROGRAM_MAP(avigo_mem) + MCFG_CPU_IO_MAP(avigo_io) + MCFG_QUANTUM_TIME(attotime::from_hz(60)) + + MCFG_DEVICE_ADD( "ns16550", NS16550, XTAL_1_8432MHz ) + MCFG_INS8250_OUT_TX_CB(DEVWRITELINE("serport", rs232_port_device, write_txd)) + MCFG_INS8250_OUT_DTR_CB(DEVWRITELINE("serport", rs232_port_device, write_dtr)) + MCFG_INS8250_OUT_RTS_CB(DEVWRITELINE("serport", rs232_port_device, write_rts)) + MCFG_INS8250_OUT_INT_CB(WRITELINE(avigo_state, com_interrupt)) + + MCFG_RS232_PORT_ADD( "serport", default_rs232_devices, NULL ) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("ns16550", ins8250_uart_device, rx_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("ns16550", ins8250_uart_device, dcd_w)) + MCFG_RS232_DSR_HANDLER(DEVWRITELINE("ns16550", ins8250_uart_device, dsr_w)) + MCFG_RS232_RI_HANDLER(DEVWRITELINE("ns16550", ins8250_uart_device, ri_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("ns16550", ins8250_uart_device, cts_w)) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", LCD) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_UPDATE_DRIVER(avigo_state, screen_update) + MCFG_SCREEN_SIZE(AVIGO_SCREEN_WIDTH, AVIGO_SCREEN_HEIGHT + AVIGO_PANEL_HEIGHT) + MCFG_SCREEN_VISIBLE_AREA(0, AVIGO_SCREEN_WIDTH-1, 0, AVIGO_SCREEN_HEIGHT + AVIGO_PANEL_HEIGHT -1) + MCFG_SCREEN_PALETTE("palette") + + MCFG_DEFAULT_LAYOUT(layout_avigo) + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", avigo) + MCFG_PALETTE_ADD("palette", AVIGO_NUM_COLOURS) + MCFG_PALETTE_INIT_OWNER(avigo_state, avigo) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) + + /* real time clock */ + MCFG_DEVICE_ADD("rtc", RP5C01, XTAL_32_768kHz) + MCFG_RP5C01_OUT_ALARM_CB(WRITELINE(avigo_state, tc8521_alarm_int)) + + /* flash ROMs */ + MCFG_AMD_29F080_ADD("flash0") + MCFG_AMD_29F080_ADD("flash1") + MCFG_AMD_29F080_ADD("flash2") + + /* internal ram */ + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("128K") + + MCFG_NVRAM_ADD_CUSTOM_DRIVER("nvram", avigo_state, nvram_init) + + // IRQ 1 is used for scan the pen and for cursor blinking + MCFG_TIMER_DRIVER_ADD_PERIODIC("scan_timer", avigo_state, avigo_scan_timer, attotime::from_hz(50)) + + // IRQ 4 is generated every second, used for auto power off + MCFG_TIMER_DRIVER_ADD_PERIODIC("1hz_timer", avigo_state, avigo_1hz_timer, attotime::from_hz(1)) + + /* quickload */ + MCFG_QUICKLOAD_ADD("quickload", avigo_state, avigo, "app", 0) +MACHINE_CONFIG_END + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ +ROM_START(avigo) + ROM_REGION(0x200000, "bios", ROMREGION_ERASEFF) + + ROM_SYSTEM_BIOS( 0, "v1004", "v1.004" ) + ROMX_LOAD("os_1004.rom", 0x000000, 0x0100000, CRC(62acd55c) SHA1(b2be12f5cc1053b6026bff2a265146ba831a7ffa), ROM_BIOS(1)) + ROMX_LOAD("english_1004.rom", 0x100000, 0x050000, CRC(c9c3a225) SHA1(7939993a5615ca59ff2047e69b6d85122d437dca), ROM_BIOS(1)) + + ROM_SYSTEM_BIOS( 1, "v1002", "v1.002" ) + ROMX_LOAD("os_1002.rom", 0x000000, 0x0100000, CRC(484bb95c) SHA1(ddc28f22f8cbc99f60f91c58ee0e2d15170024fb), ROM_BIOS(2)) + ROMX_LOAD("english_1002.rom", 0x100000, 0x050000, CRC(31cab0ac) SHA1(87d337830506a12514a4beb9a8502a0de94816f2), ROM_BIOS(2)) + + ROM_SYSTEM_BIOS( 2, "v100", "v1.00" ) + ROMX_LOAD("os_100.rom", 0x000000, 0x0100000, CRC(13ea7b38) SHA1(85566ff142d86d504ac72613f169d8758e2daa09), ROM_BIOS(3)) + ROMX_LOAD("english_100.rom", 0x100000, 0x050000, CRC(e2824b44) SHA1(3252454b05c3d3a4d7df1cb48dc3441ae82f2b1c), ROM_BIOS(3)) + +ROM_END + +ROM_START(avigo_de) + ROM_REGION(0x200000, "bios", ROMREGION_ERASEFF) + + ROM_SYSTEM_BIOS( 0, "v1004", "v1.004" ) + ROMX_LOAD("os_1004.rom", 0x000000, 0x0100000, CRC(62acd55c) SHA1(b2be12f5cc1053b6026bff2a265146ba831a7ffa), ROM_BIOS(1)) + ROMX_LOAD("german_1004.rom", 0x100000, 0x060000, CRC(0fa437b3) SHA1(e9352aa8fee6d93b898412bd129452b82baa9a21), ROM_BIOS(1)) + + ROM_SYSTEM_BIOS( 1, "v1002", "v1.002" ) + ROMX_LOAD("os_1002.rom", 0x000000, 0x0100000, CRC(484bb95c) SHA1(ddc28f22f8cbc99f60f91c58ee0e2d15170024fb), ROM_BIOS(2)) + ROMX_LOAD("german_1002.rom", 0x100000, 0x060000, CRC(c6bf07ba) SHA1(d3185687aa510f6c3b3ab3baaabe7e8ce1a79e3b), ROM_BIOS(2)) + + ROM_SYSTEM_BIOS( 2, "v100", "v1.00" ) + ROMX_LOAD("os_100.rom", 0x000000, 0x0100000, CRC(13ea7b38) SHA1(85566ff142d86d504ac72613f169d8758e2daa09), ROM_BIOS(3)) + ROMX_LOAD("german_100.rom", 0x100000, 0x060000, CRC(117d9189) SHA1(7e959ab1381ba831821fcf87973b25d87f12d34e), ROM_BIOS(3)) + +ROM_END + +ROM_START(avigo_fr) + ROM_REGION(0x200000, "bios", ROMREGION_ERASEFF) + + ROM_SYSTEM_BIOS( 0, "v1004", "v1.004" ) + ROMX_LOAD("os_1004.rom", 0x000000, 0x0100000, CRC(62acd55c) SHA1(b2be12f5cc1053b6026bff2a265146ba831a7ffa), ROM_BIOS(1)) + ROMX_LOAD("french_1004.rom", 0x100000, 0x050000, CRC(5e4d90f7) SHA1(07df3af8a431ba65e079d6c987fb5d544f6541d8), ROM_BIOS(1)) + + ROM_SYSTEM_BIOS( 1, "v1002", "v1.002" ) + ROMX_LOAD("os_1002.rom", 0x000000, 0x0100000, CRC(484bb95c) SHA1(ddc28f22f8cbc99f60f91c58ee0e2d15170024fb), ROM_BIOS(2)) + ROMX_LOAD("french_1002.rom", 0x100000, 0x050000,CRC(caa3eb91) SHA1(ab199986de301d933f069a5e1f5150967e1d7f59), ROM_BIOS(2)) + + ROM_SYSTEM_BIOS( 2, "v100", "v1.00" ) + ROMX_LOAD("os_100.rom", 0x000000, 0x0100000, CRC(13ea7b38) SHA1(85566ff142d86d504ac72613f169d8758e2daa09), ROM_BIOS(3)) + ROMX_LOAD("french_100.rom", 0x100000, 0x050000, CRC(fffa2345) SHA1(399447cede3cdd0be768952cb24f7e4431147e3d), ROM_BIOS(3)) + +ROM_END + +ROM_START(avigo_es) + ROM_REGION(0x200000, "bios", ROMREGION_ERASEFF) + + ROM_SYSTEM_BIOS( 0, "v1004", "v1.004" ) + ROMX_LOAD("os_1004.rom", 0x000000, 0x0100000, CRC(62acd55c) SHA1(b2be12f5cc1053b6026bff2a265146ba831a7ffa), ROM_BIOS(1)) + ROMX_LOAD("spanish_1004.rom", 0x100000, 0x060000, CRC(235a7f8d) SHA1(94da4ecafb54dcd5d80bc5063cb4024e66e6a21f), ROM_BIOS(1)) + + ROM_SYSTEM_BIOS( 1, "v1002", "v1.002" ) + ROMX_LOAD("os_1002.rom", 0x000000, 0x0100000, CRC(484bb95c) SHA1(ddc28f22f8cbc99f60f91c58ee0e2d15170024fb), ROM_BIOS(2)) + ROMX_LOAD("spanish_1002.rom", 0x100000, 0x060000, CRC(a6e80cc4) SHA1(e741657558c11f7bce646ba3d7b5f845bfa275b7), ROM_BIOS(2)) + + ROM_SYSTEM_BIOS( 2, "v100", "v1.00" ) + ROMX_LOAD("os_100.rom", 0x000000, 0x0100000, CRC(13ea7b38) SHA1(85566ff142d86d504ac72613f169d8758e2daa09), ROM_BIOS(3)) + ROMX_LOAD("spanish_100.rom", 0x100000, 0x060000, CRC(953a5276) SHA1(b9ba1dbdc2127b1ef419c911ef66313024a7351a), ROM_BIOS(3)) + +ROM_END + +ROM_START(avigo_it) + ROM_REGION(0x200000, "bios", ROMREGION_ERASEFF) + + ROM_SYSTEM_BIOS( 0, "v1004", "v1.004" ) + ROMX_LOAD("os_1004.rom", 0x000000, 0x0100000, CRC(62acd55c) SHA1(b2be12f5cc1053b6026bff2a265146ba831a7ffa), ROM_BIOS(1)) + ROMX_LOAD("italian_1004.rom", 0x100000, 0x050000, CRC(fb7941ec) SHA1(230e8346a3b0da1ee24568ec090ce6860ebfe995), ROM_BIOS(1)) + + ROM_SYSTEM_BIOS( 1, "v1002", "v1.002" ) + ROMX_LOAD("os_1002.rom", 0x000000, 0x0100000, CRC(484bb95c) SHA1(ddc28f22f8cbc99f60f91c58ee0e2d15170024fb), ROM_BIOS(2)) + ROMX_LOAD("italian_1002.rom", 0x100000, 0x050000, CRC(093bc032) SHA1(2c75d950d356a7fd1d058808e5f0be8e15b8ea2a), ROM_BIOS(2)) + + ROM_SYSTEM_BIOS( 2, "v100", "v1.00" ) + ROMX_LOAD("os_100.rom", 0x000000, 0x0100000, CRC(13ea7b38) SHA1(85566ff142d86d504ac72613f169d8758e2daa09), ROM_BIOS(3)) + ROMX_LOAD("italian_100.rom", 0x100000, 0x050000, CRC(de359218) SHA1(6185727aba8ffc98723f2df74dda388fd0d70cc9), ROM_BIOS(3)) +ROM_END + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */ +COMP(1997, avigo, 0, 0, avigo, avigo, driver_device, 0, "Texas Instruments", "TI Avigo 10 PDA", MACHINE_SUPPORTS_SAVE) +COMP(1997, avigo_de, avigo, 0, avigo, avigo, driver_device, 0, "Texas Instruments", "TI Avigo 10 PDA (German)", MACHINE_SUPPORTS_SAVE) +COMP(1997, avigo_fr, avigo, 0, avigo, avigo, driver_device, 0, "Texas Instruments", "TI Avigo 10 PDA (French)", MACHINE_SUPPORTS_SAVE) +COMP(1997, avigo_es, avigo, 0, avigo, avigo, driver_device, 0, "Texas Instruments", "TI Avigo 10 PDA (Spanish)", MACHINE_SUPPORTS_SAVE) +COMP(1997, avigo_it, avigo, 0, avigo, avigo, driver_device, 0, "Texas Instruments", "TI Avigo 10 PDA (Italian)", MACHINE_SUPPORTS_SAVE) |