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Added NMI sound ACK mechanism to tecmo.c driver [Angelo Salese]

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This commit is contained in:
Angelo Salese 2012-05-08 14:50:51 +00:00
parent 6b1138b435
commit 81819092bf
2 changed files with 33 additions and 18 deletions
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50
src/mame/drivers/tecmo.c
View File

@ -4,6 +4,8 @@ tecmo.c
driver by Nicola Salmoria
TODO:
- missing drums in backfirt (uses a Y3014?);
Silkworm memory map (preliminary)
@ -65,7 +67,12 @@ WRITE8_MEMBER(tecmo_state::tecmo_bankswitch_w)
WRITE8_MEMBER(tecmo_state::tecmo_sound_command_w)
{
soundlatch_byte_w(space, offset, data);
cputag_set_input_line(machine(), "soundcpu",INPUT_LINE_NMI,PULSE_LINE);
cputag_set_input_line(machine(), "soundcpu",INPUT_LINE_NMI,ASSERT_LINE);
}
WRITE8_MEMBER(tecmo_state::tecmo_nmi_ack_w)
{
cputag_set_input_line(machine(), "soundcpu",INPUT_LINE_NMI,CLEAR_LINE);
}
static WRITE8_DEVICE_HANDLER( tecmo_adpcm_start_w )
@ -74,14 +81,17 @@ static WRITE8_DEVICE_HANDLER( tecmo_adpcm_start_w )
state->m_adpcm_pos = data << 8;
msm5205_reset_w(device, 0);
}
WRITE8_MEMBER(tecmo_state::tecmo_adpcm_end_w)
{
m_adpcm_end = (data + 1) << 8;
}
static WRITE8_DEVICE_HANDLER( tecmo_adpcm_vol_w )
{
msm5205_set_volume(device,(data & 0x0f) * 100 / 15);
}
static void tecmo_adpcm_int(device_t *device)
{
tecmo_state *state = device->machine().driver_data<tecmo_state>();
@ -147,10 +157,10 @@ static ADDRESS_MAP_START( rygar_map, AS_PROGRAM, 8, tecmo_state )
AM_RANGE(0xf803, 0xf803) AM_READ_PORT("BUTTONS2")
AM_RANGE(0xf804, 0xf804) AM_READ_PORT("SYS_0")
AM_RANGE(0xf805, 0xf805) AM_READ_PORT("SYS_1")
AM_RANGE(0xf806, 0xf806) AM_READ(tecmo_dswa_l_r )
AM_RANGE(0xf807, 0xf807) AM_READ(tecmo_dswa_h_r )
AM_RANGE(0xf808, 0xf808) AM_READ(tecmo_dswb_l_r )
AM_RANGE(0xf809, 0xf809) AM_READ(tecmo_dswb_h_r )
AM_RANGE(0xf806, 0xf806) AM_READ(tecmo_dswa_l_r)
AM_RANGE(0xf807, 0xf807) AM_READ(tecmo_dswa_h_r)
AM_RANGE(0xf808, 0xf808) AM_READ(tecmo_dswb_l_r)
AM_RANGE(0xf809, 0xf809) AM_READ(tecmo_dswb_h_r)
AM_RANGE(0xf80f, 0xf80f) AM_READ_PORT("SYS_2")
AM_RANGE(0xf800, 0xf802) AM_WRITE(tecmo_fgscroll_w)
AM_RANGE(0xf803, 0xf805) AM_WRITE(tecmo_bgscroll_w)
@ -175,10 +185,10 @@ static ADDRESS_MAP_START( gemini_map, AS_PROGRAM, 8, tecmo_state )
AM_RANGE(0xf803, 0xf803) AM_READ_PORT("BUTTONS2")
AM_RANGE(0xf804, 0xf804) AM_READ_PORT("SYS_0")
AM_RANGE(0xf805, 0xf805) AM_READ_PORT("SYS_1")
AM_RANGE(0xf806, 0xf806) AM_READ(tecmo_dswa_l_r )
AM_RANGE(0xf807, 0xf807) AM_READ(tecmo_dswa_h_r )
AM_RANGE(0xf808, 0xf808) AM_READ(tecmo_dswb_l_r )
AM_RANGE(0xf809, 0xf809) AM_READ(tecmo_dswb_h_r )
AM_RANGE(0xf806, 0xf806) AM_READ(tecmo_dswa_l_r)
AM_RANGE(0xf807, 0xf807) AM_READ(tecmo_dswa_h_r)
AM_RANGE(0xf808, 0xf808) AM_READ(tecmo_dswb_l_r)
AM_RANGE(0xf809, 0xf809) AM_READ(tecmo_dswb_h_r)
AM_RANGE(0xf80f, 0xf80f) AM_READ_PORT("SYS_2")
AM_RANGE(0xf800, 0xf802) AM_WRITE(tecmo_fgscroll_w)
AM_RANGE(0xf803, 0xf805) AM_WRITE(tecmo_bgscroll_w)
@ -203,10 +213,10 @@ static ADDRESS_MAP_START( silkworm_map, AS_PROGRAM, 8, tecmo_state )
AM_RANGE(0xf803, 0xf803) AM_READ_PORT("BUTTONS2")
AM_RANGE(0xf804, 0xf804) AM_READ_PORT("SYS_0")
AM_RANGE(0xf805, 0xf805) AM_READ_PORT("SYS_1")
AM_RANGE(0xf806, 0xf806) AM_READ(tecmo_dswa_l_r )
AM_RANGE(0xf807, 0xf807) AM_READ(tecmo_dswa_h_r )
AM_RANGE(0xf808, 0xf808) AM_READ(tecmo_dswb_l_r )
AM_RANGE(0xf809, 0xf809) AM_READ(tecmo_dswb_h_r )
AM_RANGE(0xf806, 0xf806) AM_READ(tecmo_dswa_l_r)
AM_RANGE(0xf807, 0xf807) AM_READ(tecmo_dswa_h_r)
AM_RANGE(0xf808, 0xf808) AM_READ(tecmo_dswb_l_r)
AM_RANGE(0xf809, 0xf809) AM_READ(tecmo_dswb_h_r)
AM_RANGE(0xf80f, 0xf80f) AM_READ_PORT("SYS_2")
AM_RANGE(0xf800, 0xf802) AM_WRITE(tecmo_fgscroll_w)
AM_RANGE(0xf803, 0xf805) AM_WRITE(tecmo_bgscroll_w)
@ -224,7 +234,7 @@ static ADDRESS_MAP_START( rygar_sound_map, AS_PROGRAM, 8, tecmo_state )
AM_RANGE(0xc000, 0xc000) AM_READ(soundlatch_byte_r) AM_DEVWRITE_LEGACY("msm", tecmo_adpcm_start_w)
AM_RANGE(0xd000, 0xd000) AM_WRITE(tecmo_adpcm_end_w)
AM_RANGE(0xe000, 0xe000) AM_DEVWRITE_LEGACY("msm", tecmo_adpcm_vol_w)
AM_RANGE(0xf000, 0xf000) AM_WRITENOP /* NMI acknowledge */
AM_RANGE(0xf000, 0xf000) AM_WRITE(tecmo_nmi_ack_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( tecmo_sound_map, AS_PROGRAM, 8, tecmo_state )
@ -236,7 +246,7 @@ static ADDRESS_MAP_START( tecmo_sound_map, AS_PROGRAM, 8, tecmo_state )
AM_RANGE(0xc000, 0xc000) AM_READ(soundlatch_byte_r) AM_DEVWRITE_LEGACY("msm", tecmo_adpcm_start_w)
AM_RANGE(0xc400, 0xc400) AM_WRITE(tecmo_adpcm_end_w)
AM_RANGE(0xc800, 0xc800) AM_DEVWRITE_LEGACY("msm", tecmo_adpcm_vol_w)
AM_RANGE(0xcc00, 0xcc00) AM_WRITENOP /* NMI acknowledge */
AM_RANGE(0xcc00, 0xcc00) AM_WRITE(tecmo_nmi_ack_w)
ADDRESS_MAP_END
@ -1065,6 +1075,9 @@ ROM_START( backfirt )
ROM_LOAD( "b16-s2.bin", 0x10000, 0x10000, CRC(6e4052c9) SHA1(e2e3d7221b75cb044449a25a076a93c3def1f11b) ) /* tiles #2 */
ROM_LOAD( "b15-s2.bin", 0x20000, 0x10000, CRC(2b6cc20e) SHA1(4815819288753400935836cc1b0b69f4c4b43ddc) ) /* tiles #2 */
ROM_LOAD( "b14-s3.bin", 0x30000, 0x08000, CRC(4d29637a) SHA1(28e85925138256b8ce5a1c4a5df5b219b1b6b197) ) /* tiles #2 */ // half size is correct, rom type 27256
ROM_REGION( 0x8000, "adpcm", ROMREGION_ERASE00 ) /* ADPCM samples */
// ROM_LOAD( "silkworm.1", 0x0000, 0x8000, CRC(5b553644) SHA1(5d39d2251094c17f7b732b4861401b3516fce9b1) )
ROM_END
ROM_START( gemini )
@ -1131,13 +1144,14 @@ static DRIVER_INIT( backfirt )
/* no MSM */
machine.device("soundcpu")->memory().space(AS_PROGRAM)->nop_write(0xc000, 0xc000);
machine.device("soundcpu")->memory().space(AS_PROGRAM)->nop_write(0xd000, 0xd000);
machine.device("soundcpu")->memory().space(AS_PROGRAM)->nop_write(0xe000, 0xe000);
machine.device("soundcpu")->memory().space(AS_PROGRAM)->nop_write(0xc400, 0xc400);
machine.device("soundcpu")->memory().space(AS_PROGRAM)->nop_write(0xc800, 0xc800);
}
GAME( 1986, rygar, 0, rygar, rygar, rygar, ROT0, "Tecmo", "Rygar (US set 1)", 0 )
GAME( 1986, rygar2, rygar, rygar, rygar, rygar, ROT0, "Tecmo", "Rygar (US set 2)", 0 )
GAME( 1986, rygar3, rygar, rygar, rygar, rygar, ROT0, "Tecmo", "Rygar (US set 3 Old Version)", 0 )
@ -1145,4 +1159,4 @@ GAME( 1986, rygarj, rygar, rygar, rygar, rygar, ROT0, "Tecmo", "
GAME( 1987, gemini, 0, gemini, gemini, gemini, ROT90, "Tecmo", "Gemini Wing (Japan)", 0 ) /* Japan regional warning screen */
GAME( 1988, silkworm, 0, silkworm, silkworm, silkworm, ROT0, "Tecmo", "Silk Worm (World)", 0 ) /* No regional "Warning, if you are playing ..." screen */
GAME( 1988, silkwormj, silkworm, silkworm, silkworm, silkworm, ROT0, "Tecmo", "Silk Worm (Japan)", 0 ) /* Japan regional warning screen */
GAME( 1988, backfirt, 0, gemini, backfirt, backfirt, ROT0, "Tecmo", "Back Fire (Tecmo, bootleg)", 0 )
GAME( 1988, backfirt, 0, gemini, backfirt, backfirt, ROT0, "Tecmo", "Back Fire (Tecmo, bootleg)", GAME_IMPERFECT_SOUND )

1
src/mame/includes/tecmo.h
View File

@ -23,6 +23,7 @@ public:
required_shared_ptr<UINT8> m_spriteram;
DECLARE_WRITE8_MEMBER(tecmo_bankswitch_w);
DECLARE_WRITE8_MEMBER(tecmo_sound_command_w);
DECLARE_WRITE8_MEMBER(tecmo_nmi_ack_w);
DECLARE_WRITE8_MEMBER(tecmo_adpcm_end_w);
DECLARE_READ8_MEMBER(tecmo_dswa_l_r);
DECLARE_READ8_MEMBER(tecmo_dswa_h_r);