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Fixed sound mute for system 2 games.

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This commit is contained in:
Aaron Giles 2009-05-15 04:46:15 +00:00
parent a52c2c5356
commit f05270246f
1 changed files with 20 additions and 7 deletions
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27
src/mame/drivers/system1.c
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@ -203,7 +203,9 @@ Notes:
#define SOUND_CLOCK XTAL_8MHz
/* driver config */
static void (*videomode_custom)(running_machine *machine, UINT8 data, UINT8 prevdata);
static UINT8 mute_xor;
static UINT8 *system1_ram;
static UINT8 dakkochn_mux_data;
@ -357,6 +359,8 @@ static MACHINE_START( system1 )
z80_set_cycle_tables(cputag_get_cpu(machine, "maincpu"), cc_op, cc_cb, cc_ed, cc_xy, cc_xycb, cc_ex);
mute_xor = 0x00;
state_save_register_global(machine, dakkochn_mux_data);
state_save_register_global(machine, videomode_prev);
state_save_register_global(machine, mcu_control);
@ -364,6 +368,13 @@ static MACHINE_START( system1 )
}
static MACHINE_START( system2 )
{
MACHINE_START_CALL(system1);
mute_xor = 0x01;
}
static MACHINE_RESET( system1 )
{
dakkochn_mux_data = 0;
@ -453,8 +464,8 @@ static void dakkochn_custom_w(running_machine *machine, UINT8 data, UINT8 prevda
static WRITE8_DEVICE_HANDLER( sound_control_w )
{
/* bit 0 = MUTE */
sound_global_enable(~data & 1);
/* bit 0 = MUTE (inverted sense on System 2) */
sound_global_enable(~(data ^ mute_xor) & 1);
/* bit 6 = feedback from sound board that read occurrred */
@ -2193,6 +2204,8 @@ MACHINE_DRIVER_END
static MACHINE_DRIVER_START( sys2 )
MDRV_IMPORT_FROM( sys1ppi )
MDRV_MACHINE_START(system2)
/* video hardware */
MDRV_VIDEO_START(system2)
MDRV_VIDEO_UPDATE(system2)
@ -4686,7 +4699,7 @@ static DRIVER_INIT( bootleg )
}
static DRIVER_INIT( bootlegb )
static DRIVER_INIT( bootsys2 )
{
const address_space *space = cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM);
memory_set_decrypted_region(space, 0x0000, 0x7fff, memory_region(machine, "maincpu") + 0x20000);
@ -4794,10 +4807,10 @@ GAME( 1986, wboysys2, wboy, sys2, wboysys2, wboysys2, ROT0, "Sega (
GAME( 1987, tokisens, 0, sys2, tokisens, bank0c, ROT90, "Sega", "Toki no Senshi - Chrono Soldier", GAME_SUPPORTS_SAVE )
GAME( 1987, wbml, 0, sys2, wbml, wbml, ROT0, "Sega / Westone", "Wonder Boy in Monster Land (Japan New Ver., MC-8123, 317-0043)", GAME_SUPPORTS_SAVE )
GAME( 1987, wbmljo, wbml, sys2, wbml, wbml, ROT0, "Sega / Westone", "Wonder Boy in Monster Land (Japan Old Ver., MC-8123, 317-0043)", GAME_SUPPORTS_SAVE )
GAME( 1987, wbmljb, wbml, sys2, wbml, bootlegb, ROT0, "bootleg", "Wonder Boy in Monster Land (Japan not encrypted)", GAME_SUPPORTS_SAVE )
GAME( 1987, wbmlb, wbml, sys2, wbml, bootlegb, ROT0, "bootleg", "Wonder Boy in Monster Land (English bootleg)", GAME_SUPPORTS_SAVE)
GAME( 1987, wbmlbg, wbml, sys2, wbml, bootlegb, ROT0, "bootleg", "Wonder Boy in Monster Land (Galaxy Electronics English bootleg)", GAME_SUPPORTS_SAVE)
GAME( 1987, wbmljb, wbml, sys2, wbml, bootsys2, ROT0, "bootleg", "Wonder Boy in Monster Land (Japan not encrypted)", GAME_SUPPORTS_SAVE )
GAME( 1987, wbmlb, wbml, sys2, wbml, bootsys2, ROT0, "bootleg", "Wonder Boy in Monster Land (English bootleg)", GAME_SUPPORTS_SAVE)
GAME( 1987, wbmlbg, wbml, sys2, wbml, bootsys2, ROT0, "bootleg", "Wonder Boy in Monster Land (Galaxy Electronics English bootleg)", GAME_SUPPORTS_SAVE)
GAME( 1987, dakkochn, 0, sys2, dakkochn, dakkochn, ROT0, "Whiteboard", "DakkoChan House (MC-8123, 317-0014)", GAME_SUPPORTS_SAVE )
GAME( 1987, blockgalb, blockgal, sys2, blockgal, bootleg, ROT90, "bootleg", "Block Gal (bootleg)", GAME_SUPPORTS_SAVE )
GAME( 1988, ufosensi, 0, sys2row, ufosensi, ufosensi, ROT0, "Sega", "Ufo Senshi Yohko Chan (MC-8123, 317-0064)", GAME_SUPPORTS_SAVE )
GAME( 1988, ufosensib, ufosensi, sys2row, ufosensi, bootlegb, ROT0, "bootleg", "Ufo Senshi Yohko Chan (not encrypted)", GAME_SUPPORTS_SAVE )
GAME( 1988, ufosensib, ufosensi, sys2row, ufosensi, bootsys2, ROT0, "bootleg", "Ufo Senshi Yohko Chan (not encrypted)", GAME_SUPPORTS_SAVE )