summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/drivers/svmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mess/drivers/svmu.c')
-rw-r--r--src/mess/drivers/svmu.c358
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)