// license:BSD-3-Clause // copyright-holders:Tim Schuerewegen /******************************************************************************* Palm Z22 (C) 2011 Tim Schuerewegen *******************************************************************************/ /* Hardware ... Samsung OCEAN-L-20 (SoC) Samsung K9F5608U0D-JIB0 (NAND) Samsung K4S2816321-UL75 (RAM) The following reads are harmless ... 'maincpu' (3060017C): (GPIO) 56000080 -> 00010020 'maincpu' (30600960): unmapped program memory read from A0000000 & FFFFFFFF 'maincpu' (30600960): unmapped program memory read from A0000020 & FFFFFFFF 'maincpu' (30600960): unmapped program memory read from A0000040 & FFFFFFFF ... 'maincpu' (306411D4): (GPIO) 56000000 -> 005E03FF 'maincpu' (306411E0): (GPIO) 56000004 -> 0041F000 'maincpu' (30641258): (GPIO) 56000010 -> 00000015 'maincpu' (30641264): (GPIO) 56000010 -> 00000005 'maincpu' (306412C4): (GPIO) 56000040 -> 00155400 'maincpu' (306412D0): (GPIO) 56000040 -> 00155000 'maincpu' (306412DC): (GPIO) 56000044 -> 00000442 'maincpu' (306412F0): (GPIO) 56000000 -> 005E03FF 'maincpu' (306412FC): (GPIO) 56000000 -> 001E03FF 'maincpu' (30641308): (GPIO) 56000004 -> 0041F000 'maincpu' (30641320): (GPIO) 56000010 -> 00000025 'maincpu' (30641330): (GPIO) 56000010 -> 00000024 The following reads are NOT harmless ... 'maincpu' (3060022C): (GPIO) 56000044 -> 00000400 ... bits 2..1 is tested if bits 2..1 = 0 then 'maincpu' (30600240): (GPIO) 56000040 <- 00154400 'maincpu' (3060024C): (GPIO) 56000044 <- 00000000 'maincpu' (30600258): (GPIO) 56000048 <- 000007A0 else 'maincpu' (30600268): (GPIO) 56000040 <- 00155400 'maincpu' (30600274): (GPIO) 56000044 <- 00000440 'maincpu' (30600280): (GPIO) 56000048 <- 000007E6 end 'maincpu' (3060004C): (GPIO) 56000054 -> 000000FF 'maincpu' (30600060): (GPIO) 56000054 -> 000000FF 'maincpu' (30600074): (GPIO) 56000054 -> 000000FF 'maincpu' (30600088): (GPIO) 56000054 -> 000000FF 'maincpu' (3060009C): (GPIO) 56000054 -> 000000FF 'maincpu' (306000B0): (GPIO) 56000054 -> 000000FF 'maincpu' (306000C4): (GPIO) 56000054 -> 000000FF 'maincpu' (306000D8): (GPIO) 56000054 -> 000000FF ... check if keys are pressed? (8 bits) 'maincpu' (3064116C): unmapped program memory read from 4D000068 & FFFFFFFF ... should read 0 or else stuck in a loop? */ #include "emu.h" #include "cpu/arm7/arm7.h" #include "machine/s3c2410.h" #include "machine/smartmed.h" #include "rendlay.h" #include "screen.h" #define PALM_Z22_BATTERY_LEVEL 75 #define VERBOSE_LEVEL ( 0 ) class palmz22_state : public driver_device { public: palmz22_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_s3c2410(*this, "s3c2410") { } required_device m_maincpu; required_device m_s3c2410; nand_device *m_nand; uint32_t m_port[8]; DECLARE_DRIVER_INIT(palmz22); virtual void machine_start() override; virtual void machine_reset() override; DECLARE_INPUT_CHANGED_MEMBER(palmz22_input_changed); inline void verboselog(int n_level, const char *s_fmt, ...) ATTR_PRINTF(3,4); DECLARE_WRITE8_MEMBER( s3c2410_nand_command_w ); DECLARE_WRITE8_MEMBER( s3c2410_nand_address_w ); DECLARE_READ8_MEMBER( s3c2410_nand_data_r ); DECLARE_WRITE8_MEMBER( s3c2410_nand_data_w ); DECLARE_READ32_MEMBER(s3c2410_gpio_port_r); DECLARE_WRITE32_MEMBER(s3c2410_gpio_port_w); DECLARE_READ32_MEMBER(s3c2410_core_pin_r); DECLARE_READ32_MEMBER(s3c2410_adc_data_r ); void palmz22(machine_config &config); void palmz22_map(address_map &map); }; inline void palmz22_state::verboselog(int n_level, const char *s_fmt, ...) { if (VERBOSE_LEVEL >= n_level) { va_list v; char buf[32768]; va_start( v, s_fmt); vsprintf( buf, s_fmt, v); va_end( v); logerror( "%s: %s", machine().describe_context(), buf); } } /*************************************************************************** MACHINE HARDWARE ***************************************************************************/ // NAND WRITE8_MEMBER( palmz22_state::s3c2410_nand_command_w ) { verboselog(9, "s3c2410_nand_command_w %02X\n", data); m_nand->command_w(data); } WRITE8_MEMBER( palmz22_state::s3c2410_nand_address_w ) { verboselog(9, "s3c2410_nand_address_w %02X\n", data); m_nand->address_w(data); } READ8_MEMBER( palmz22_state::s3c2410_nand_data_r ) { uint8_t data = m_nand->data_r(); verboselog(9, "s3c2410_nand_data_r %02X\n", data); return data; } WRITE8_MEMBER( palmz22_state::s3c2410_nand_data_w ) { verboselog(9, "s3c2410_nand_data_w %02X\n", data); m_nand->data_w(data); } /* READ8_MEMBER( palmz22_state::s3c2410_nand_busy_r ) { uint8_t data = m_nand->is_busy(); verboselog(9, "s3c2410_nand_busy_r %02X\n", data); return data; } */ // GPIO READ32_MEMBER(palmz22_state::s3c2410_gpio_port_r) { uint32_t data = m_port[offset]; switch (offset) { case S3C2410_GPIO_PORT_E : { data = (data & ~(3 << 1)) | (0 << 1); // bits 2..1 = LCD related? (0 = clear 4D000010 bit 3, 1 = clear 560000000 bit 22) //data = 0x1F4; } break; case S3C2410_GPIO_PORT_F : { data = (data & ~0xFF) | (ioport( "PORT-F")->read() & 0xFF); } break; case S3C2410_GPIO_PORT_G : { data = (data & ~(1 << 1)) | (0 << 1); // bit 1 | 'maincpu' (200B56C0): (GPIO) 56000064 -> 00000000 data = (data & ~(1 << 2)) | (0 << 2); // bit 2 | 'maincpu' (200B3EC4): (GPIO) 56000064 -> 00000000 } break; } return data; } WRITE32_MEMBER(palmz22_state::s3c2410_gpio_port_w) { m_port[offset] = data; } // CORE /* OM[1:0] = 00b : Enable NAND flash controller auto boot mode NAND flash memory page size should be 512Bytes. NCON : NAND flash memory address step selection 0 : 3 Step addressing 1 : 4 Step addressing */ READ32_MEMBER(palmz22_state::s3c2410_core_pin_r) { int data = 0; switch (offset) { case S3C2410_CORE_PIN_NCON : data = 0; break; case S3C2410_CORE_PIN_OM0 : data = 0; break; case S3C2410_CORE_PIN_OM1 : data = 0; break; } return data; } // ADC READ32_MEMBER(palmz22_state::s3c2410_adc_data_r ) { uint32_t data = 0; switch (offset) { case 0 + 0 : data = 0x2EE + (PALM_Z22_BATTERY_LEVEL * 0xFF / 100); break; case 0 + 1 : data = 0; break; case 2 + 0 : data = ioport( "PENX")->read(); break; case 2 + 1 : data = 0x3FF - ioport( "PENY")->read(); break; } verboselog(5, "s3c2410_adc_data_r %08X\n", data); return data; } // INPUT INPUT_CHANGED_MEMBER(palmz22_state::palmz22_input_changed) { if (((int)(uintptr_t)param) == 0) { m_s3c2410->s3c2410_touch_screen( (newval & 0x01) ? 1 : 0); } else { m_s3c2410->s3c2410_request_eint( (uintptr_t)param - 1); } } // MACHINE void palmz22_state::machine_start() { m_nand = machine().device("nand"); m_nand->set_data_ptr( memregion("nand")->base()); } void palmz22_state::machine_reset() { m_maincpu->reset(); memset( m_port, 0, sizeof( m_port)); } /*************************************************************************** ADDRESS MAPS ***************************************************************************/ void palmz22_state::palmz22_map(address_map &map) { map(0x30000000, 0x31ffffff).ram(); } /*************************************************************************** MACHINE DRIVERS ***************************************************************************/ DRIVER_INIT_MEMBER(palmz22_state,palmz22) { } MACHINE_CONFIG_START(palmz22_state::palmz22) MCFG_CPU_ADD("maincpu", ARM920T, 266000000) MCFG_CPU_PROGRAM_MAP(palmz22_map) MCFG_PALETTE_ADD("palette", 32768) MCFG_SCREEN_ADD("screen", LCD) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(160, 160) MCFG_SCREEN_VISIBLE_AREA(0, 160 - 1, 0, 160 - 1) MCFG_DEFAULT_LAYOUT(layout_lcd) MCFG_SCREEN_UPDATE_DEVICE("s3c2410", s3c2410_device, screen_update) MCFG_DEVICE_ADD("s3c2410", S3C2410, 12000000) MCFG_S3C2410_PALETTE("palette") MCFG_S3C2410_SCREEN("screen") MCFG_S3C2410_CORE_PIN_R_CB(READ32(palmz22_state, s3c2410_core_pin_r)) MCFG_S3C2410_GPIO_PORT_R_CB(READ32(palmz22_state, s3c2410_gpio_port_r)) MCFG_S3C2410_GPIO_PORT_W_CB(WRITE32(palmz22_state, s3c2410_gpio_port_w)) MCFG_S3C2410_ADC_DATA_R_CB(READ32(palmz22_state, s3c2410_adc_data_r)) MCFG_S3C2410_NAND_COMMAND_W_CB(WRITE8(palmz22_state, s3c2410_nand_command_w)) MCFG_S3C2410_NAND_ADDRESS_W_CB(WRITE8(palmz22_state, s3c2410_nand_address_w)) MCFG_S3C2410_NAND_DATA_R_CB(READ8(palmz22_state, s3c2410_nand_data_r)) MCFG_S3C2410_NAND_DATA_W_CB(WRITE8(palmz22_state, s3c2410_nand_data_w)) MCFG_DEVICE_ADD("nand", NAND, 0) MCFG_NAND_TYPE(K9F5608U0D_J) MCFG_NAND_RNB_CALLBACK(DEVWRITELINE("s3c2410", s3c2410_device, frnb_w)) MACHINE_CONFIG_END static INPUT_PORTS_START( palmz22 ) PORT_START( "PENB" ) PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Pen Button") PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)0) PORT_PLAYER(2) PORT_START( "PENX" ) PORT_BIT( 0x3ff, 0x200, IPT_LIGHTGUN_X ) PORT_NAME("Pen X") PORT_SENSITIVITY(50) PORT_CROSSHAIR(X, 1, 0, 0) PORT_KEYDELTA(30) PORT_PLAYER(2) PORT_START( "PENY" ) PORT_BIT( 0x3ff, 0x200, IPT_LIGHTGUN_Y ) PORT_NAME("Pen Y") PORT_SENSITIVITY(50) PORT_CROSSHAIR(Y, 1, 0, 0) PORT_KEYDELTA(30) PORT_PLAYER(2) PORT_START( "PORT-F" ) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_NAME("Power") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_NAME("Contacts") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_NAME("Calendar") PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_NAME("Center") PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_CHANGED_MEMBER(DEVICE_SELF, palmz22_state, palmz22_input_changed, (void *)1) INPUT_PORTS_END /*************************************************************************** GAME DRIVERS ***************************************************************************/ ROM_START( palmz22 ) ROM_REGION( 0x2100000, "nand", 0 ) ROM_LOAD( "palmz22.bin", 0, 0x2100000, CRC(6d0320b3) SHA1(99297975fdad44faf69cc6eaf0fa2560d5579a4d) ) ROM_END COMP(2005, palmz22, 0, 0, palmz22, palmz22, palmz22_state, palmz22, "Palm", "Palm Z22", MACHINE_NO_SOUND)