diff options
Diffstat (limited to 'src/mess/drivers/svmu.c')
-rw-r--r-- | src/mess/drivers/svmu.c | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/src/mess/drivers/svmu.c b/src/mess/drivers/svmu.c deleted file mode 100644 index 1e077c8211f..00000000000 --- a/src/mess/drivers/svmu.c +++ /dev/null @@ -1,358 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Sandro Ronco -/*************************************************************************** - - Sega Visual Memory Unit - - driver by Sandro Ronco - - TODO: - - add more bios versions - - serial - -****************************************************************************/ - -#include "emu.h" -#include "cpu/lc8670/lc8670.h" -#include "imagedev/snapquik.h" -#include "machine/intelfsh.h" -#include "sound/speaker.h" -#include "svmu.lh" - -#define PIXEL_SIZE 7 -#define PIXEL_DISTANCE 1 - -class svmu_state : public driver_device -{ -public: - svmu_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_flash(*this, "flash"), - m_speaker(*this, "speaker"), - m_bios(*this, "bios") - { } - - required_device<lc8670_cpu_device> m_maincpu; - required_device<intelfsh8_device> m_flash; - required_device<speaker_sound_device> m_speaker; - required_region_ptr<UINT8> m_bios; - - DECLARE_PALETTE_INIT(svmu); - virtual void machine_reset(); - - DECLARE_WRITE8_MEMBER(page_w); - DECLARE_READ8_MEMBER(prog_r); - DECLARE_WRITE8_MEMBER(prog_w); - DECLARE_READ8_MEMBER(p1_r); - DECLARE_WRITE8_MEMBER(p1_w); - DECLARE_READ8_MEMBER(p7_r); - DECLARE_QUICKLOAD_LOAD_MEMBER( svmu ); - -private: - UINT8 m_page; -}; - - -WRITE8_MEMBER(svmu_state::page_w) -{ - m_page = data & 0x03; -} - -READ8_MEMBER(svmu_state::prog_r) -{ - if (m_page == 1) - return m_flash->read(offset); - else if (m_page == 2) - return m_flash->read(0x10000 + offset); - else - return m_bios[offset]; -} - -WRITE8_MEMBER(svmu_state::prog_w) -{ - if (m_page == 1) - m_flash->write(offset, data); - else if (m_page == 2) - m_flash->write(0x10000 + offset, data); -} - -/* - Port 1 - - x--- ---- PWM output - -x-- ---- BUZ - --x- ---- SCK1 - ---x ---- SB1 - ---- x--- SO1 - ---- -x-- SCK0 - ---- --x- SB0 - ---- ---x SO0 - -*/ - -READ8_MEMBER(svmu_state::p1_r) -{ - return 0; -} - -WRITE8_MEMBER(svmu_state::p1_w) -{ - m_speaker->level_w(BIT(data, 7)); -} - - -/* - Port 7 - - ---- x--- ID1 - ---- -x-- ID0 - ---- --x- battery low voltage - ---- ---x 5V detection -*/ - -READ8_MEMBER(svmu_state::p7_r) -{ - return (ioport("BATTERY")->read()<<1); -} - - -static ADDRESS_MAP_START(svmu_mem, AS_PROGRAM, 8, svmu_state) - AM_RANGE( 0x0000, 0xffff ) AM_READWRITE(prog_r, prog_w) -ADDRESS_MAP_END - -static ADDRESS_MAP_START(svmu_io_mem, AS_IO, 8, svmu_state) - AM_RANGE( LC8670_PORT1, LC8670_PORT1 ) AM_READWRITE(p1_r, p1_w) - AM_RANGE( LC8670_PORT3, LC8670_PORT3 ) AM_READ_PORT("P3") - AM_RANGE( LC8670_PORT7, LC8670_PORT7 ) AM_READ(p7_r) -ADDRESS_MAP_END - -/* Input ports */ -static INPUT_PORTS_START( svmu ) - PORT_START( "P3" ) - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_NAME("Up") - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_NAME("Down") - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_NAME("Left") - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_NAME("Right") - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Button A") - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("Button B") - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_NAME("MODE") PORT_CODE( KEYCODE_M ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_NAME("SLEEP") PORT_CODE( KEYCODE_S ) - PORT_START("BATTERY") - PORT_CONFNAME( 0x01, 0x01, "Battery" ) - PORT_CONFSETTING( 0x01, "Good" ) - PORT_CONFSETTING( 0x00, "Poor" ) -INPUT_PORTS_END - -void svmu_state::machine_reset() -{ - m_page = 0; -} - -PALETTE_INIT_MEMBER(svmu_state, svmu) -{ - palette.set_pen_color(0, rgb_t(138, 146, 148)); - palette.set_pen_color(1, rgb_t(92, 83, 88)); -} - -static LC8670_LCD_UPDATE( svmu_lcd_update ) -{ - if (lcd_enabled) - { - for (int y=0; y<32; y++) - for (int x=0; x<6; x++) - { - int gfx = vram[y*6 + x]; - - for (int b=0; b<8; b++) - bitmap.plot_box((x*8 + b) * (PIXEL_SIZE + PIXEL_DISTANCE), y * (PIXEL_SIZE + PIXEL_DISTANCE), PIXEL_SIZE, PIXEL_SIZE, BIT(gfx,7-b)); - } - } - else - { - bitmap.fill(0, cliprect); - } - - output_set_value("file_icon" , lcd_enabled ? BIT(vram[0xc1],6) : 0); - output_set_value("game_icon" , lcd_enabled ? BIT(vram[0xc2],4) : 0); - output_set_value("clock_icon", lcd_enabled ? BIT(vram[0xc3],2) : 0); - output_set_value("flash_icon", lcd_enabled ? BIT(vram[0xc4],0) : 0); - - return 0; -} - - -inline void vmufat_write_byte(UINT8* flash, UINT8 block, offs_t offset, UINT8 data) -{ - flash[(block * 512) + offset] = data; -} - -inline void vmufat_write_word(UINT8* flash, UINT8 block, offs_t offset, UINT16 data) -{ - // 16-bit data are stored in little endian - flash[(block * 512) + offset + 0] = data & 0xff; - flash[(block * 512) + offset + 1] = (data>>8) & 0xff; -} - -QUICKLOAD_LOAD_MEMBER( svmu_state, svmu ) -{ - UINT32 size = image.length(); - UINT8 *flash = (UINT8*)m_flash->space().get_read_ptr(0); - - image.fread(flash, size); - - // verify if image is already a valid VMUFAT file system - bool valid_vmufat = true; - if (size == 0x20000) - { - for (int i=0; i<0x10; i++) - if (flash[255 * 512 + i] != 0x55) - { - valid_vmufat = false; - break; - } - } - else - { - valid_vmufat = false; - } - - if (!valid_vmufat) - { - // more info about the VMUFAT here: http://mc.pp.se/dc/vms/flashmem.html - - //-------------------------------- Formatting -------------------------------- - memset(flash + 241*512, 0, 15*512); // clears the last 15 blocks that contain file system information - - for (int i=0; i<0x10; i++) - vmufat_write_byte(flash, 255, i, 0x55); // first 16 bytes should be 0x55 to indicate a properly formatted card - - vmufat_write_byte(flash, 255, 0x10, 0x00); // custom VMS colour (1 = use custom colours, 0 = standard colour) - vmufat_write_byte(flash, 255, 0x11, 0x00); // VMS colour blue component - vmufat_write_byte(flash, 255, 0x12, 0x00); // VMS colour green component - vmufat_write_byte(flash, 255, 0x13, 0x00); // VMS colour red component - vmufat_write_byte(flash, 255, 0x14, 0x00); // VMS colour alpha component - vmufat_write_byte(flash, 255, 0x30, 0x19); // Century (BCD) - vmufat_write_byte(flash, 255, 0x31, 0x99); // Year (BCD) - vmufat_write_byte(flash, 255, 0x32, 0x01); // Month (BCD) - vmufat_write_byte(flash, 255, 0x33, 0x01); // Day (BCD) - vmufat_write_byte(flash, 255, 0x34, 0x00); // Hour (BCD) - vmufat_write_byte(flash, 255, 0x35, 0x00); // Minute (BCD) - vmufat_write_byte(flash, 255, 0x36, 0x00); // Second (BCD) - vmufat_write_byte(flash, 255, 0x37, 0x00); // Day of week (0 = Monday, 6 = Sunday) - vmufat_write_word(flash, 255, 0x44, 0x00ff); // location of Root - vmufat_write_word(flash, 255, 0x46, 0x00fe); // location of FAT (254) - vmufat_write_word(flash, 255, 0x48, 0x0001); // size of FAT in blocks (1) - vmufat_write_word(flash, 255, 0x4a, 0x00fd); // location of Directory (253) - vmufat_write_word(flash, 255, 0x4c, 0x000d); // size of Directory in blocks (13) - vmufat_write_word(flash, 255, 0x4e, 0x0000); // icon shape for this VMS (0-123) - vmufat_write_word(flash, 255, 0x50, 0x00c8); // number of user blocks (200) - - for (int i=0; i<256; i++) - vmufat_write_word(flash, 254, i<<1, 0xfffc); // marks all blocks as unallocated - - for (int i=253; i>241; --i) - vmufat_write_word(flash, 254, i<<1, i - 1); // marsk all Directory blocks as allocate - - vmufat_write_word(flash, 254, 0x1e2, 0xfffa); // marks last Directory block - vmufat_write_word(flash, 254, 0x1fc, 0xfffa); // marks FAT block as allocated - vmufat_write_word(flash, 254, 0x1fe, 0xfffa); // marks Root block as allocated - - //-------------------------------- Create the vms file -------------------------------- - int vms_blocks = (size / 512) + (size & 0x1ff ? 1 : 0); // number of blocks required for store the vms file - - for (int i=0; i<vms_blocks - 1; i++) - vmufat_write_word(flash, 254, i<<1, i + 1); // marks blocks where the file is allocated - - vmufat_write_word(flash, 254, (vms_blocks-1)<<1, 0xfffa); // last block for this file - - vmufat_write_byte(flash, 253, 0x00, 0xcc); // file type (0x00 = no file, 0x33 = data, 0xcc = game) - vmufat_write_byte(flash, 253, 0x01, 0x00); // copy protect (0x00 = no, 0xff = yes) - vmufat_write_word(flash, 253, 0x02, 0x0000); // location of first file block - - const char *vms_filename = image.basename_noext(); - for (int i=0; i<12; i++) - { - if (i < strlen(vms_filename)) - vmufat_write_byte(flash, 253, i + 4, vms_filename[i]); // 12 bytes filename - else - vmufat_write_byte(flash, 253, i + 4, 0x20); // space padded - } - - vmufat_write_byte(flash, 253, 0x10, 0x19); // Century (BCD) - vmufat_write_byte(flash, 253, 0x11, 0x99); // Year (BCD) - vmufat_write_byte(flash, 253, 0x12, 0x01); // Month (BCD) - vmufat_write_byte(flash, 253, 0x13, 0x01); // Day (BCD) - vmufat_write_byte(flash, 253, 0x14, 0x00); // Hour (BCD) - vmufat_write_byte(flash, 253, 0x15, 0x00); // Minute (BCD) - vmufat_write_byte(flash, 253, 0x16, 0x00); // Second (BCD) - vmufat_write_byte(flash, 253, 0x17, 0x00); // Day of week (0 = Monday, 6 = Sunday) - vmufat_write_word(flash, 253, 0x18, vms_blocks); // file size (in blocks) - vmufat_write_word(flash, 253, 0x1a, 0x0001); // offset of header (in blocks) from file start - } - - return IMAGE_INIT_PASS; -} - - -static MACHINE_CONFIG_START( svmu, svmu_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", LC8670, XTAL_32_768kHz) - MCFG_CPU_PROGRAM_MAP(svmu_mem) - MCFG_CPU_IO_MAP(svmu_io_mem) - - /* specific LC8670 configurations */ - MCFG_LC8670_SET_CLOCK_SOURCES(XTAL_32_768kHz, 600000, XTAL_6MHz) // tolerance range of the RC oscillator is 600kHz to 1200kHz - MCFG_LC8670_BANKSWITCH_CB(WRITE8(svmu_state, page_w)) - MCFG_LC8670_LCD_UPDATE_CB(svmu_lcd_update) - - /* video hardware */ - MCFG_SCREEN_ADD("screen", LCD) - MCFG_SCREEN_REFRESH_RATE(60) - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate - MCFG_SCREEN_SIZE(48 * (PIXEL_SIZE + PIXEL_DISTANCE), 32 * (PIXEL_SIZE + PIXEL_DISTANCE)) - MCFG_SCREEN_VISIBLE_AREA(0, 48*(PIXEL_SIZE + PIXEL_DISTANCE) - 1, 0, 32*(PIXEL_SIZE + PIXEL_DISTANCE) - 1) - MCFG_SCREEN_UPDATE_DEVICE("maincpu", lc8670_cpu_device, screen_update) - MCFG_SCREEN_PALETTE("palette") - - MCFG_DEFAULT_LAYOUT(layout_svmu) - MCFG_PALETTE_ADD("palette", 2) - MCFG_PALETTE_INIT_OWNER(svmu_state, svmu) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) - - /* devices */ - MCFG_ATMEL_29C010_ADD("flash") - MCFG_QUICKLOAD_ADD("quickload", svmu_state, svmu, "vms,bin", 0) - MCFG_QUICKLOAD_INTERFACE("svmu_quik") - - /* Software lists */ - MCFG_SOFTWARE_LIST_ADD("quik_list", "svmu") -MACHINE_CONFIG_END - - -/* ROM definition */ -ROM_START( svmu ) - ROM_REGION( 0x10000, "bios", 0 ) - ROM_DEFAULT_BIOS("jp1004") - // these ROMs come from the Sega Katana SDK and are scrambled, a simple way to restore it is to remove the first 4 bytes and xor the whole file for the xor key. - ROM_SYSTEM_BIOS(0, "jp1001", "VMS Japanese BIOS (v1.001)") - ROMX_LOAD("vmu1001.bin", 0x0000, 0x10000, CRC(e6339f4a) SHA1(688b2e1ff8c60bde6e8b07a2d2695cdacc07bd0c), ROM_BIOS(1)) - ROM_SYSTEM_BIOS(1, "jp1002", "VMS Japanese BIOS (v1.002)") - ROMX_LOAD("vmu1002.bin", 0x0000, 0x10000, CRC(6c020d48) SHA1(9ee7c87d7b033235e0b315a0b421e70deb547c7a), ROM_BIOS(2)) - ROM_SYSTEM_BIOS(2, "jp1004", "VMS Japanese BIOS (v1.004)") - ROMX_LOAD("vmu1004.bin", 0x0000, 0x10000, CRC(8e0f867a) SHA1(dc2fa2963138a1049a43f7f36439ad0a416ee8b4), ROM_BIOS(3)) // from Sega Katana SDK (original file: fbios.sbf, CRC: c7c77b3c, xor key: 0x37) - ROM_SYSTEM_BIOS(3, "jp1005", "VMS Japanese BIOS (v1.005)") - ROMX_LOAD("vmu1005.bin", 0x0000, 0x10000, CRC(47623324) SHA1(fca1aceff8a2f8c6826f3a865f4d5ef88dfd9ed1), ROM_BIOS(4)) - ROM_SYSTEM_BIOS(4, "dev1004", "VMS Japanese Dev BIOS (v1.004)") // automatically boot the first game found in the flash - ROMX_LOAD( "vmsdev1004.bin", 0x0000, 0x10000, CRC(395e25f2) SHA1(37dea034322b5b80b35b2de784298d32c71ba7a3), ROM_BIOS(5)) // from Sega Katana SDK (original file: qbios.sbf, CRC: eed5524c, xor key: 0x43) -ROM_END - - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 1998, svmu, 0, 0, svmu , svmu , driver_device, 0, "Sega", "Visual Memory Unit", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |