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Merge pull request #903 from ajrhacker/nmistory
West Story improvements: the NMI story
This commit is contained in:
R. Belmont
commit
c59746f038
@ -10,10 +10,8 @@ driver by Carlos A. Lozano Baides
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TODO:
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West Story:
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- sound (program rom is close to the original)
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- some bad sprites (2 bad sprite roms, should the actual decoded data match?, can they be reconstructed from the original?)
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- tilemap scroll
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- runs too fast? (vblank flag somewhere?)
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- sound (still has IRQ problems)
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- some bad sprites (2 bad sprite roms, should the actual decoded data match?)
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Blood Bros (c) 1990 Nihon System [Seibu hardware]
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@ -25,6 +23,12 @@ The manual states:
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This works for all sets and the bootleg.
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Fabtek licensed this game for the U.S. along with other games by Seibu and TAD.
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Though no Fabtek-licensed set has been dumped yet, and the program code does
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not appear to test a region byte, the TAD strings displayed on the title screen
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are both space-justified to the same length as the unused string "U.S. LICENSEE
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FABTEK, INC."
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Sky Smasher (c) 1990 Nihon System [Seibu hardware]
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-----------
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@ -39,6 +43,12 @@ is undoubtedly capable of flipscreen and layer priority flipping
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however.(which is why we have MACHINE_NO_COCKTAIL despite the games
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being upright)
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If the word at 0x488 in the maincpu ROM is set to any value other than 1, the
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attract mode will include the "Winners Don't Use Drugs" screen. The only other
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change this effects is reducing the first "NIHON SYSTEM INC." on the title
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screen to the initials NSI. The string "US LICENSEE FABTEC INC" appears twice
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in the program ROM, but no code that might display it is known to exist.
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Dumpers Notes
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=============
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@ -121,7 +131,6 @@ DIP locations verified for Blood Bros. & Sky Smasher via manual & DIP-SW setting
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "audio/seibu.h"
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#include "cpu/z80/z80.h"
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#include "sound/3812intf.h"
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#include "includes/bloodbro.h"
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@ -161,22 +170,34 @@ static ADDRESS_MAP_START( skysmash_map, AS_PROGRAM, 16, bloodbro_state )
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AM_RANGE(0xc0000, 0xc004f) AM_DEVREADWRITE("crtc", seibu_crtc_device, read_alt, write_alt)
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ADDRESS_MAP_END
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WRITE8_MEMBER(bloodbro_state::weststry_soundlatch_w)
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{
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m_seibu_sound->main_word_w(space, offset, data, mem_mask);
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// Probably incorrect, but these interrupts must be triggered somehow
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if (offset == 1)
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m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
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else
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m_audiocpu->set_input_line(0, ASSERT_LINE);
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}
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static ADDRESS_MAP_START( weststry_map, AS_PROGRAM, 16, bloodbro_state )
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AM_RANGE(0x000000, 0x07ffff) AM_ROM
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AM_RANGE(0x080000, 0x08afff) AM_RAM
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AM_RANGE(0x08b000, 0x08bfff) AM_RAM AM_SHARE("spriteram")
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AM_RANGE(0x08c000, 0x08c3ff) AM_RAM_WRITE(bgvideoram_w) AM_SHARE("bgvideoram")
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AM_RANGE(0x08c400, 0x08cfff) AM_RAM
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AM_RANGE(0x08d000, 0x08d3ff) AM_RAM_WRITE(fgvideoram_w) AM_SHARE("fgvideoram")
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AM_RANGE(0x08d400, 0x08d7ff) AM_RAM
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AM_RANGE(0x08d800, 0x08dfff) AM_RAM_WRITE(txvideoram_w) AM_SHARE("txvideoram")
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AM_RANGE(0x08e000, 0x08ffff) AM_RAM
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AM_RANGE(0x080000, 0x08ffff) AM_RAM // old VRAM areas still used, but bootleg code copies them to higher addresses
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AM_RANGE(0x0c1000, 0x0c1001) AM_READ_PORT("DSW")
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AM_RANGE(0x0c1002, 0x0c1003) AM_READ_PORT("IN0")
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AM_RANGE(0x0c1004, 0x0c1005) AM_READ_PORT("IN1")
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AM_RANGE(0x0c1000, 0x0c17ff) AM_RAM
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AM_RANGE(0x0c1000, 0x0c1003) AM_WRITE8(weststry_soundlatch_w, 0xff00)
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AM_RANGE(0x0c1004, 0x0c100b) AM_WRITE(weststry_layer_scroll_w)
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AM_RANGE(0x0e0002, 0x0e0003) AM_READNOP // remnant of old code
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AM_RANGE(0x122800, 0x122bff) AM_RAM // cleared at startup
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AM_RANGE(0x122c00, 0x122fff) AM_RAM_WRITE(fgvideoram_w) AM_SHARE("fgvideoram")
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AM_RANGE(0x123000, 0x1233ff) AM_RAM_WRITE(bgvideoram_w) AM_SHARE("bgvideoram")
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AM_RANGE(0x123400, 0x1237ff) AM_RAM // cleared at startup
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AM_RANGE(0x123800, 0x123fff) AM_RAM_WRITE(txvideoram_w) AM_SHARE("txvideoram")
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AM_RANGE(0x124000, 0x124005) AM_RAM
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AM_RANGE(0x124006, 0x1247fd) AM_RAM AM_SHARE("spriteram")
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AM_RANGE(0x128000, 0x1287ff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
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AM_RANGE(0x120000, 0x128fff) AM_RAM
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ADDRESS_MAP_END
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/* Input Ports */
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@ -295,8 +316,7 @@ INPUT_PORTS_END
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static INPUT_PORTS_START( weststry )
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PORT_INCLUDE( bloodbro_base )
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PORT_START("COIN") /* referenced by seibu sound board */
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PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
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SEIBU_COIN_INPUTS /* coin inputs read through sound cpu */
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INPUT_PORTS_END
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@ -451,6 +471,11 @@ WRITE16_MEMBER( bloodbro_state::layer_scroll_w )
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COMBINE_DATA(&m_scrollram[offset]);
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}
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WRITE16_MEMBER( bloodbro_state::weststry_layer_scroll_w )
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{
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COMBINE_DATA(&m_scrollram[offset]);
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}
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/* Machine Drivers */
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static MACHINE_CONFIG_START( bloodbro, bloodbro_state )
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@ -495,8 +520,14 @@ static MACHINE_CONFIG_DERIVED( weststry, bloodbro )
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MCFG_PALETTE_ENTRIES(1024)
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MCFG_PALETTE_FORMAT(xxxxBBBBGGGGRRRR)
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// Bootleg video hardware is non-Seibu
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MCFG_SCREEN_MODIFY("screen")
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MCFG_SCREEN_UPDATE_DRIVER(bloodbro_state, screen_update_weststry)
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MCFG_DEVICE_REMOVE("crtc")
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// Bootleg sound hardware is close copy of Seibu, but uses different interrupts
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MCFG_SOUND_MODIFY("ymsnd")
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MCFG_YM3812_IRQ_HANDLER(INPUTLINE("audiocpu", INPUT_LINE_NMI))
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MACHINE_CONFIG_END
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static MACHINE_CONFIG_DERIVED( skysmash, bloodbro )
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@ -591,13 +622,13 @@ ROM_END
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ROM_START( weststry )
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ROM_REGION( 0x80000, "maincpu", 0 ) /* 64k for cpu code */
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ROM_REGION( 0x80000, "maincpu", 0 ) /* 64k for cpu code; based on bloodbrob */
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ROM_LOAD16_BYTE( "ws13.bin", 0x00001, 0x20000, CRC(158e302a) SHA1(52cc1bf526424ff025a6b79f3fc7bba4b9bbfcbb) )
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ROM_LOAD16_BYTE( "ws15.bin", 0x00000, 0x20000, CRC(672e9027) SHA1(71cb9fcef04edb972ba88de45d605dcff539ea2d) )
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ROM_LOAD16_BYTE( "bb_04.bin", 0x40001, 0x20000, CRC(fd951c2c) SHA1(f4031bf303c67c82f2f78f7456f78382d8c1ac85) )
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ROM_LOAD16_BYTE( "bb_03.bin", 0x40000, 0x20000, CRC(18d3c460) SHA1(93b86af1199f0fedeaf1fe64d27ffede4b819e42) )
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ROM_REGION( 0x20000, "audiocpu", 0 ) /* 64k for sound cpu code */
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ROM_REGION( 0x20000, "audiocpu", 0 ) /* 64k for sound cpu code; based on different revision of original Seibu code */
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ROM_LOAD( "ws17.bin", 0x000000, 0x08000, CRC(e00a8f09) SHA1(e7247ce0ab99d0726f31dee5de5ba33f4ebd183e) )
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ROM_CONTINUE( 0x010000, 0x08000 )
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ROM_COPY( "audiocpu", 0x000000, 0x018000, 0x08000 )
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@ -663,10 +694,19 @@ ROM_START( skysmash )
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ROM_END
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DRIVER_INIT_MEMBER(bloodbro_state,weststry)
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{
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// Patch out jp nz,$3000; no code known to exist at that address
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memory_region *z80_rom = memregion("audiocpu");
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z80_rom->u8(0x160e) = 0x00;
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z80_rom->u8(0x1610) = 0x00;
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}
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/* Game Drivers */
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GAME( 1990, bloodbro, 0, bloodbro, bloodbro, driver_device, 0, ROT0, "TAD Corporation", "Blood Bros. (set 1)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
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GAME( 1990, bloodbroa,bloodbro, bloodbro, bloodbro, driver_device, 0, ROT0, "TAD Corporation", "Blood Bros. (set 2)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
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GAME( 1990, bloodbrob,bloodbro, bloodbro, bloodbro, driver_device, 0, ROT0, "TAD Corporation", "Blood Bros. (set 3)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
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GAME( 1990, weststry, bloodbro, weststry, weststry, driver_device, 0, ROT0, "bootleg (Datsu)", "West Story (bootleg of Blood Bros.)", MACHINE_NO_COCKTAIL | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
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GAME( 1990, weststry, bloodbro, weststry, weststry, bloodbro_state, weststry, ROT0, "bootleg (Datsu)", "West Story (bootleg of Blood Bros.)", MACHINE_NO_COCKTAIL | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
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GAME( 1990, skysmash, 0, skysmash, skysmash, driver_device, 0, ROT270, "Nihon System", "Sky Smasher", MACHINE_SUPPORTS_SAVE )
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@ -1,5 +1,7 @@
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// license:BSD-3-Clause
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// copyright-holders:Carlos A. Lozano
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#include "audio/seibu.h"
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class bloodbro_state : public driver_device
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{
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public:
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@ -8,6 +10,8 @@ public:
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m_maincpu(*this, "maincpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_palette(*this, "palette"),
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m_audiocpu(*this, "audiocpu"),
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m_seibu_sound(*this, "seibu_sound"),
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m_spriteram(*this, "spriteram"),
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m_bgvideoram(*this, "bgvideoram"),
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m_fgvideoram(*this, "fgvideoram"),
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@ -16,6 +20,8 @@ public:
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required_device<cpu_device> m_maincpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<palette_device> m_palette;
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required_device<cpu_device> m_audiocpu;
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required_device<seibu_sound_device> m_seibu_sound;
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required_shared_ptr<UINT16> m_spriteram;
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required_shared_ptr<UINT16> m_bgvideoram;
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@ -34,6 +40,8 @@ public:
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DECLARE_WRITE16_MEMBER(txvideoram_w);
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DECLARE_WRITE16_MEMBER(layer_en_w);
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DECLARE_WRITE16_MEMBER(layer_scroll_w);
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DECLARE_WRITE16_MEMBER(weststry_layer_scroll_w);
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DECLARE_WRITE8_MEMBER(weststry_soundlatch_w);
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TILE_GET_INFO_MEMBER(get_bg_tile_info);
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TILE_GET_INFO_MEMBER(get_fg_tile_info);
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@ -46,4 +54,6 @@ public:
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UINT32 screen_update_skysmash(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void bloodbro_draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void weststry_draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_DRIVER_INIT(weststry);
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};
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@ -197,8 +197,7 @@ void bloodbro_state::weststry_draw_sprites(screen_device &screen, bitmap_ind16 &
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UINT16 *spriteram16 = m_spriteram;
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int offs;
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/* TODO: the last two entries are not sprites - control registers? */
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for (offs = 0;offs < m_spriteram.bytes()/2 - 8;offs += 4)
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for (offs = m_spriteram.bytes()/2 - 4; offs >= 0; offs -= 4)
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{
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int data = spriteram16[offs+2];
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int data0 = spriteram16[offs+0];
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@ -251,10 +250,9 @@ UINT32 bloodbro_state::screen_update_bloodbro(screen_device &screen, bitmap_ind1
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UINT32 bloodbro_state::screen_update_weststry(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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// m_bg_tilemap->set_scrollx(0,m_scroll[0x10]); /* ? */
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// m_bg_tilemap->set_scrolly(0,m_scroll[0x11]); /* ? */
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// m_fg_tilemap->set_scrollx(0,m_scroll[0x12]);
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// m_fg_tilemap->set_scrolly(0,m_scroll[0x13]);
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// The bootleg video hardware probably also allows BG scrolling, but weststry doesn't use it
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m_fg_tilemap->set_scrollx(0, (INT8)m_scrollram[1] - 13);
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m_fg_tilemap->set_scrolly(0, (INT8)m_scrollram[0] + 1);
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screen.priority().fill(0, cliprect);
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@ -96,6 +96,34 @@ List of default vregs (title screen):
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0x1ff - 0xfc = 259
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0x1ff - 0xff = 256
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*Blood Bros. (sets 1 and 2, init routine at $620)
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0C0000: 000F 000F 00B2 00D7 00F9 000F 00F9 00FF
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0C0010: 0076 0006 0001 0002 0000 0000 0004 ****
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0C0020: **** **** **** **** **** **** 01D8 01FF
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0C0030: 01DA 01FF **** **** 01D8 01FF 0034 003F
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0C0040: 0000 A8A8 0005 1830 0009 **** **** ****
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*Blood Bros. (set 3, init routine at $580)
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0C0000: 000F 000F 00B7 00BF 00FA 000F 00FA 00FF
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0C0010: 0076 0006 0001 0002 0000 0000 0004 ****
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0C0020: **** **** **** **** **** **** 01C0 01FF
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0C0030: 01C2 01FF **** **** 00C0 01FF 0034 003F
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0C0040: 0000 A8A8 0004 1830 0009 **** **** ****
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*Sky Smasher (init routine at $1f5d0)
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0C0000: 000F 000F 00B2 00D7 00F9 000F 00F9 00FF
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0C0020: 0076 0006 0000 0002 0000 0000 0004 ****
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0C0010: **** **** **** **** **** **** 01D9 01FF
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0C0030: 01DB 01FF **** **** 01D8 01FF 0034 003F
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0C0040: 0000 A8A8 0005 1830 0009 **** **** ****
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*Sky Smasher (unused init routine at $1f4ee)
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0C0000: 000F 000F 00AF 00BF 00F8 000F 00F8 00FF
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0C0020: 0076 0006 0000 0002 0000 0000 0004 ****
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0C0010: **** **** **** **** **** **** 01C0 01FF
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0C0030: 01C2 01FF **** **** 00C0 01FF 0034 003F
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0C0040: 0000 A8A8 0006 1830 0009 **** **** ****
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*SD Gundam Psycho Salamander no Kyoui (320 x 224 -> 0 - 224 v res)
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0C0000: 000F 0013 009F 00BF 00FA 000F 00FA 00FF
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0C0010: 0076 0006 0000 0002 0000 0000 0000 0000
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