diff options
Diffstat (limited to 'src/mame/drivers/glass.cpp')
-rw-r--r-- | src/mame/drivers/glass.cpp | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/src/mame/drivers/glass.cpp b/src/mame/drivers/glass.cpp new file mode 100644 index 00000000000..b4e30ce200a --- /dev/null +++ b/src/mame/drivers/glass.cpp @@ -0,0 +1,422 @@ +// license:BSD-3-Clause +// copyright-holders:Manuel Abadia +/*************************************************************************** + +Glass (c) 1993 Gaelco (Developed by OMK. Produced by Gaelco) + +Driver by Manuel Abadia <emumanu+mame@gmail.com> + +The DS5002FP has up to 128KB undumped gameplay code making the game unplayable :_( + +***************************************************************************/ + +#include "emu.h" +#include "cpu/m68000/m68000.h" +#include "sound/okim6295.h" +#include "includes/glass.h" + +WRITE16_MEMBER(glass_state::clr_int_w) +{ + m_cause_interrupt = 1; +} + +INTERRUPT_GEN_MEMBER(glass_state::glass_interrupt) +{ + if (m_cause_interrupt) + { + device.execute().set_input_line(6, HOLD_LINE); + m_cause_interrupt = 0; + } +} + + +static const gfx_layout glass_tilelayout16 = +{ + 16,16, /* 16x16 tiles */ + 0x100000/32, /* number of tiles */ + 4, /* 4 bpp */ + { 3*0x100000*8, 2*0x100000*8, 1*0x100000*8, 0*0x100000*8 }, + { + 0, 1, 2, 3, 4, 5, 6, 7, + 16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+4, 16*8+5, 16*8+6, 16*8+7 + }, + { + 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 + }, + 32*8 +}; + +static GFXDECODE_START( glass ) + GFXDECODE_ENTRY( "gfx1", 0x000000, glass_tilelayout16, 0, 64 ) +GFXDECODE_END + + +WRITE16_MEMBER(glass_state::OKIM6295_bankswitch_w) +{ + UINT8 *RAM = memregion("oki")->base(); + + if (ACCESSING_BITS_0_7) + memcpy(&RAM[0x30000], &RAM[0x40000 + (data & 0x0f) * 0x10000], 0x10000); +} + +WRITE16_MEMBER(glass_state::glass_coin_w) +{ + switch (offset >> 3) + { + case 0x00: /* Coin Lockouts */ + case 0x01: + coin_lockout_w(machine(), (offset >> 3) & 0x01, ~data & 0x01); + break; + case 0x02: /* Coin Counters */ + case 0x03: + coin_counter_w(machine(), (offset >> 3) & 0x01, data & 0x01); + break; + case 0x04: /* Sound Muting (if bit 0 == 1, sound output stream = 0) */ + break; + } +} + +static ADDRESS_MAP_START( glass_map, AS_PROGRAM, 16, glass_state ) + AM_RANGE(0x000000, 0x07ffff) AM_ROM /* ROM */ + AM_RANGE(0x100000, 0x101fff) AM_RAM_WRITE(glass_vram_w) AM_SHARE("videoram") /* Video RAM */ + AM_RANGE(0x102000, 0x102fff) AM_RAM /* Extra Video RAM */ + AM_RANGE(0x108000, 0x108007) AM_WRITEONLY AM_SHARE("vregs") /* Video Registers */ + AM_RANGE(0x108008, 0x108009) AM_WRITE(clr_int_w) /* CLR INT Video */ + AM_RANGE(0x200000, 0x2007ff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette") /* Palette */ + AM_RANGE(0x440000, 0x440fff) AM_RAM AM_SHARE("spriteram") /* Sprite RAM */ + AM_RANGE(0x700000, 0x700001) AM_READ_PORT("DSW2") + AM_RANGE(0x700002, 0x700003) AM_READ_PORT("DSW1") + AM_RANGE(0x700004, 0x700005) AM_READ_PORT("P1") + AM_RANGE(0x700006, 0x700007) AM_READ_PORT("P2") + AM_RANGE(0x700008, 0x700009) AM_WRITE(glass_blitter_w) /* serial blitter */ + AM_RANGE(0x70000c, 0x70000d) AM_WRITE(OKIM6295_bankswitch_w) /* OKI6295 bankswitch */ + AM_RANGE(0x70000e, 0x70000f) AM_DEVREADWRITE8("oki", okim6295_device, read, write, 0x00ff) /* OKI6295 status register */ + AM_RANGE(0x70000a, 0x70004b) AM_WRITE(glass_coin_w) /* Coin Counters/Lockout */ + AM_RANGE(0xfec000, 0xfeffff) AM_RAM AM_SHARE("mainram") /* Work RAM (partially shared with DS5002FP) */ +ADDRESS_MAP_END + + +static INPUT_PORTS_START( glass ) + PORT_START("DSW1") + PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:6,7,8") + PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 3C_4C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 2C_3C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x05, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_6C ) ) + PORT_DIPNAME( 0x38, 0x38, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:3,4,5") + PORT_DIPSETTING( 0x10, DEF_STR( 6C_1C ) ) + PORT_DIPSETTING( 0x18, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x28, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x30, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 3C_2C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 4C_3C ) ) + PORT_DIPSETTING( 0x38, DEF_STR( 1C_1C ) ) + PORT_DIPNAME( 0x40, 0x40, "Credit configuration" ) PORT_DIPLOCATION("SW1:2") + PORT_DIPSETTING( 0x40, "Start 1C" ) + PORT_DIPSETTING( 0x00, "Start 2C" ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) ) PORT_DIPLOCATION("SW1:1") + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START("DSW2") + PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:7,8") + PORT_DIPSETTING( 0x02, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x03, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) ) + PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:5,6") + PORT_DIPSETTING( 0x0c, "3" ) + PORT_DIPSETTING( 0x08, "1" ) + PORT_DIPSETTING( 0x04, "2" ) + PORT_DIPSETTING( 0x00, "4" ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Version ) ) PORT_DIPLOCATION("SW2:4") + PORT_DIPSETTING( 0x10, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x00, "Light" ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:3") + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x20, DEF_STR( On ) ) + PORT_DIPUNUSED_DIPLOC( 0x40, 0x40, "SW2:2" ) /* Listed as "Unused" */ + PORT_SERVICE_DIPLOC( 0x80, IP_ACTIVE_LOW, "SW2:1" ) + + PORT_START("P1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) + + PORT_START("P2") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) + PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNKNOWN ) +INPUT_PORTS_END + + + +void glass_state::machine_start() +{ + save_item(NAME(m_cause_interrupt)); + save_item(NAME(m_current_bit)); + save_item(NAME(m_current_command)); + save_item(NAME(m_blitter_serial_buffer)); +} + +void glass_state::machine_reset() +{ + int i; + + m_cause_interrupt = 1; + m_current_bit = 0; + m_current_command = 0; + + for (i = 0; i < 5; i++) + m_blitter_serial_buffer[i] = 0; +} + +static MACHINE_CONFIG_START( glass, glass_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M68000,24000000/2) /* 12 MHz (M680000 P12) */ + MCFG_CPU_PROGRAM_MAP(glass_map) + MCFG_CPU_VBLANK_INT_DRIVER("screen", glass_state, glass_interrupt) + + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) + MCFG_SCREEN_SIZE(32*16, 32*16) + MCFG_SCREEN_VISIBLE_AREA(0, 368-1, 16, 256-1) + MCFG_SCREEN_UPDATE_DRIVER(glass_state, screen_update_glass) + MCFG_SCREEN_PALETTE("palette") + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", glass) + MCFG_PALETTE_ADD("palette", 1024) + MCFG_PALETTE_FORMAT(xBBBBBGGGGGRRRRR) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_OKIM6295_ADD("oki", 1056000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_CONFIG_END + +ROM_START( glass ) /* Version 1.1 */ + ROM_REGION( 0x080000, "maincpu", 0 ) /* 68000 code */ + ROM_LOAD16_BYTE( "1.c23", 0x000000, 0x040000, CRC(aeebd4ed) SHA1(04759dc146dff0fc74b78d70e79dfaebe68328f9) ) + ROM_LOAD16_BYTE( "2.c22", 0x000001, 0x040000, CRC(165e2e01) SHA1(180a2e2b5151f2321d85ac23eff7fbc9f52023a5) ) + + ROM_REGION( 0x400000, "gfx1", ROMREGION_ERASE00 ) /* Graphics */ + /* 0x000000-0x3fffff filled in later in the DRIVER_INIT */ + + ROM_REGION( 0x400000, "gfx2", 0 ) /* Graphics */ + ROM_LOAD( "h13.bin", 0x000000, 0x200000, CRC(13ab7f31) SHA1(468424f74d6cccd1b445a9f20e2d24bc46d61ed6) ) + ROM_LOAD( "h11.bin", 0x200000, 0x200000, CRC(c6ac41c8) SHA1(22408ef1e35c66d0fba0c72972c46fad891d1193) ) + + ROM_REGION( 0x100000, "gfx3", 0 ) /* 16 bitmaps (320x200, indexed colors) */ + ROM_LOAD( "h9.bin", 0x000000, 0x100000, CRC(b9492557) SHA1(3f5c0d696d65e1cd492763dfa749c813dd56a9bf) ) + + ROM_REGION( 0x140000, "oki", 0 ) /* ADPCM samples - sound chip is OKIM6295 */ + ROM_LOAD( "c1.bin", 0x000000, 0x100000, CRC(d9f075a2) SHA1(31a7a677861f39d512e9d1f51925c689e481159a) ) + /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */ + ROM_RELOAD( 0x040000, 0x100000 ) +ROM_END + +ROM_START( glass10 ) /* Version 1.0 */ + ROM_REGION( 0x080000, "maincpu", 0 ) /* 68000 code */ + ROM_LOAD16_BYTE( "c23.bin", 0x000000, 0x040000, CRC(688cdf33) SHA1(b59dcc3fc15f72037692b745927b110e97d8282e) ) + ROM_LOAD16_BYTE( "c22.bin", 0x000001, 0x040000, CRC(ab17c992) SHA1(1509b5b4bbfb4e022e0ab6fbbc0ffc070adfa531) ) + + ROM_REGION( 0x400000, "gfx1", ROMREGION_ERASE00 ) /* Graphics */ + /* 0x000000-0x3fffff filled in later in the DRIVER_INIT */ + + ROM_REGION( 0x400000, "gfx2", 0 ) /* Graphics */ + ROM_LOAD( "h13.bin", 0x000000, 0x200000, CRC(13ab7f31) SHA1(468424f74d6cccd1b445a9f20e2d24bc46d61ed6) ) + ROM_LOAD( "h11.bin", 0x200000, 0x200000, CRC(c6ac41c8) SHA1(22408ef1e35c66d0fba0c72972c46fad891d1193) ) + + ROM_REGION( 0x100000, "gfx3", 0 ) /* 16 bitmaps (320x200, indexed colors) */ + ROM_LOAD( "h9.bin", 0x000000, 0x100000, CRC(b9492557) SHA1(3f5c0d696d65e1cd492763dfa749c813dd56a9bf) ) + + ROM_REGION( 0x140000, "oki", 0 ) /* ADPCM samples - sound chip is OKIM6295 */ + ROM_LOAD( "c1.bin", 0x000000, 0x100000, CRC(d9f075a2) SHA1(31a7a677861f39d512e9d1f51925c689e481159a) ) + /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */ + ROM_RELOAD( 0x040000, 0x100000 ) +ROM_END + +ROM_START( glassbrk ) /* Title screen shows "GLASS" and under that "Break Edition" on a real PCB */ + ROM_REGION( 0x080000, "maincpu", 0 ) /* 68000 code */ + ROM_LOAD16_BYTE( "spl-c23.bin", 0x000000, 0x040000, CRC(c1393bea) SHA1(a5f877ba38305a7b49fa3c96b9344cbf71e8c9ef) ) + ROM_LOAD16_BYTE( "spl-c22.bin", 0x000001, 0x040000, CRC(0d6fa33e) SHA1(37e9258ef7e108d034c80abc8e5e5ab6dacf0a61) ) + + ROM_REGION( 0x400000, "gfx1", ROMREGION_ERASE00 ) /* Graphics */ + /* 0x000000-0x3fffff filled in later in the DRIVER_INIT */ + + ROM_REGION( 0x400000, "gfx2", 0 ) /* Graphics */ + ROM_LOAD( "h13.bin", 0x000000, 0x200000, CRC(13ab7f31) SHA1(468424f74d6cccd1b445a9f20e2d24bc46d61ed6) ) + ROM_LOAD( "h11.bin", 0x200000, 0x200000, CRC(c6ac41c8) SHA1(22408ef1e35c66d0fba0c72972c46fad891d1193) ) + + ROM_REGION( 0x100000, "gfx3", 0 ) /* 16 bitmaps (320x200, indexed colors) */ + ROM_LOAD( "h9.bin", 0x000000, 0x100000, CRC(b9492557) SHA1(3f5c0d696d65e1cd492763dfa749c813dd56a9bf) ) + + ROM_REGION( 0x140000, "oki", 0 ) /* ADPCM samples - sound chip is OKIM6295 */ + ROM_LOAD( "c1.bin", 0x000000, 0x100000, CRC(d9f075a2) SHA1(31a7a677861f39d512e9d1f51925c689e481159a) ) + /* 0x00000-0x2ffff is fixed, 0x30000-0x3ffff is bank switched from all the ROMs */ + ROM_RELOAD( 0x040000, 0x100000 ) +ROM_END + +/*************************************************************************** + + Split even/odd bytes from ROMs in 16 bit mode to different memory areas + +***************************************************************************/ + +void glass_state::glass_ROM16_split_gfx( const char *src_reg, const char *dst_reg, int start, int length, int dest1, int dest2 ) +{ + int i; + + /* get a pointer to the source data */ + UINT8 *src = (UINT8 *)memregion(src_reg)->base(); + + /* get a pointer to the destination data */ + UINT8 *dst = (UINT8 *)memregion(dst_reg)->base(); + + /* fill destination areas with the proper data */ + for (i = 0; i < length / 2; i++) + { + dst[dest1 + i] = src[start + i * 2 + 0]; + dst[dest2 + i] = src[start + i * 2 + 1]; + } +} + +/* How does the protection work? + + We know in World Rally it shares the whole of main RAM with the Dallas, with subtle reads and writes / values being checked.. so I guess this will be similar at least + and thus very hard to figure out if done properly + + */ + +READ16_MEMBER( glass_state::glass_mainram_r ) +{ + UINT16 ret = m_mainram[offset]; + int pc = space.device().safe_pc(); + + if (offset == (0xfede96 - 0xfec000)>>1) + { + // this address seems important, the game will abort with 'power failure' depending on some reads, presumably refering to the power to the battery + + // there are also various code segments like the one below + /* + start: + tst.b this address + bne end + tst.b $fede1d.l + nop << why? + bne start + end: + */ + return 0x0000; + //printf("%06x read %06x - %04x %04x\n", pc , (offset*2 + 0xfec000), ret, mem_mask); + } + else if (offset == (0xfede1c - 0xfec000)>>1) + { + // related to above, could also be some command ack? + logerror("%06x read %06x - %04x %04x\n", pc, (offset*2 + 0xfec000), ret, mem_mask); + } + else if (offset == (0xfede26 - 0xfec000)>>1) + { + logerror("%06x read %06x - %04x %04x\n", pc, (offset*2 + 0xfec000), ret, mem_mask); + } + return ret; +} + +WRITE16_MEMBER( glass_state::glass_mainram_w ) +{ + int pc = space.device().safe_pc(); + + COMBINE_DATA(&m_mainram[offset]); + + if (offset == (0xfede02 - 0xfec000)>>1) + { +// printf("%06x write %06x - %04x %04x\n", pc, (offset*2 + 0xfec000), data, mem_mask); + // several checks write here then expect it to appear mirrored, might be some kind of command + command ack + if (mem_mask & 0xff00) // sometimes mask 0xff00, but not in cases which poll for change + { + mem_mask = 0x00ff; + data >>=8; + COMBINE_DATA(&m_mainram[offset]); + } + return; + } + else if (offset == (0xfede1c - 0xfec000)>>1) + { + // see notes about 0xfede96 in read, this address seems important + logerror("%06x write %06x - %04x %04x\n", pc, (offset*2 + 0xfec000), data, mem_mask); + if (mem_mask == 0x00ff) + { + int realdata = data; + + // don't store the bits written, game checks they get cleared? + data &= 0xff00; + COMBINE_DATA(&m_mainram[offset]); + + // a command? + if (realdata == 0x0002) + { + // there is a check on address 0xfede26 just after writing 0002 here.. + offset = (0xfede26 - 0xfec000) >> 1; + data = 0xff00; + mem_mask = 0xff00; + COMBINE_DATA(&m_mainram[offset]); + } + } + return; + } + +} + + +DRIVER_INIT_MEMBER(glass_state,glass) +{ + /* + For "gfx2" we have this memory map: + 0x000000-0x1fffff ROM H13 + 0x200000-0x3fffff ROM H11 + + and we are going to construct this one for "gfx1": + 0x000000-0x0fffff ROM H13 even bytes + 0x100000-0x1fffff ROM H13 odd bytes + 0x200000-0x2fffff ROM H11 even bytes + 0x300000-0x3fffff ROM H11 odd bytes + */ + + /* split ROM H13 */ + glass_ROM16_split_gfx("gfx2", "gfx1", 0x0000000, 0x0200000, 0x0000000, 0x0100000); + + /* split ROM H11 */ + glass_ROM16_split_gfx("gfx2", "gfx1", 0x0200000, 0x0200000, 0x0200000, 0x0300000); + + /* install custom handler over RAM for protection */ + m_maincpu->space(AS_PROGRAM).install_readwrite_handler(0xfec000, 0xfeffff, read16_delegate(FUNC(glass_state::glass_mainram_r), this), write16_delegate(FUNC(glass_state::glass_mainram_w),this)); + +} + +GAME( 1993, glass, 0, glass, glass, glass_state, glass, ROT0, "OMK / Gaelco", "Glass (Ver 1.1)", MACHINE_UNEMULATED_PROTECTION | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +GAME( 1993, glass10, glass, glass, glass, glass_state, glass, ROT0, "OMK / Gaelco", "Glass (Ver 1.0)", MACHINE_UNEMULATED_PROTECTION | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) +GAME( 1993, glassbrk, glass, glass, glass, glass_state, glass, ROT0, "OMK / Gaelco", "Glass (Ver 1.0, Break Edition)", MACHINE_UNEMULATED_PROTECTION | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) |