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Diffstat (limited to 'src/mess/drivers/avigo.c')
-rw-r--r-- | src/mess/drivers/avigo.c | 1017 |
1 files changed, 0 insertions, 1017 deletions
diff --git a/src/mess/drivers/avigo.c b/src/mess/drivers/avigo.c deleted file mode 100644 index f9730f56c90..00000000000 --- a/src/mess/drivers/avigo.c +++ /dev/null @@ -1,1017 +0,0 @@ -// 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) |