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taotaido: Soundlatch modernization (nw)

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This commit is contained in:
AJR 2017-06-14 08:32:15 -04:00
parent 8dbb963e1c
commit 7e576981d3
2 changed files with 5 additions and 20 deletions
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22
src/mame/drivers/taotaido.cpp
View File

@ -80,22 +80,13 @@ zooming might be wrong
void taotaido_state::machine_start()
{
membank("soundbank")->configure_entries(0, 4, memregion("audiocpu")->base(), 0x8000);
save_item(NAME(m_pending_command));
}
READ16_MEMBER(taotaido_state::pending_command_r)
{
/* Only bit 0 is tested */
return m_pending_command;
}
WRITE8_MEMBER(taotaido_state::sound_command_w)
{
m_pending_command = 1;
m_soundlatch->write(space, offset, data);
m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
return m_soundlatch->pending_r();
}
WRITE8_MEMBER(taotaido_state::unknown_output_w)
@ -117,18 +108,13 @@ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 16, taotaido_state )
AM_RANGE(0xffff10, 0xffff11) AM_WRITENOP // unknown
AM_RANGE(0xffff20, 0xffff21) AM_WRITENOP // unknown - flip screen related
AM_RANGE(0xffff40, 0xffff47) AM_WRITE(sprite_character_bank_select_w)
AM_RANGE(0xffffc0, 0xffffc1) AM_WRITE8(sound_command_w, 0x00ff) // seems right
AM_RANGE(0xffffc0, 0xffffc1) AM_DEVWRITE8("soundlatch", generic_latch_8_device, write, 0x00ff) // seems right
AM_RANGE(0xffffe0, 0xffffe1) AM_READ(pending_command_r) // guess - seems to be needed for all the sounds to work
ADDRESS_MAP_END
/* sound cpu - same as aerofgt */
WRITE8_MEMBER(taotaido_state::pending_command_clear_w)
{
m_pending_command = 0;
}
WRITE8_MEMBER(taotaido_state::sh_bankswitch_w)
{
membank("soundbank")->set_entry(data & 0x03);
@ -144,7 +130,7 @@ static ADDRESS_MAP_START( sound_port_map, AS_IO, 8, taotaido_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("ymsnd", ym2610_device, read, write)
AM_RANGE(0x04, 0x04) AM_WRITE(sh_bankswitch_w)
AM_RANGE(0x08, 0x08) AM_WRITE(pending_command_clear_w)
AM_RANGE(0x08, 0x08) AM_DEVWRITE("soundlatch", generic_latch_8_device, acknowledge_w)
AM_RANGE(0x0c, 0x0c) AM_DEVREAD("soundlatch", generic_latch_8_device, read)
ADDRESS_MAP_END
@ -403,6 +389,8 @@ static MACHINE_CONFIG_START( taotaido )
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
MCFG_GENERIC_LATCH_DATA_PENDING_CB(INPUTLINE("audiocpu", INPUT_LINE_NMI))
MCFG_GENERIC_LATCH_SEPARATE_ACKNOWLEDGE(true)
MCFG_SOUND_ADD("ymsnd", YM2610, 8000000)
MCFG_YM2610_IRQ_HANDLER(INPUTLINE("audiocpu", 0))

3
src/mame/includes/taotaido.h
View File

@ -32,7 +32,6 @@ public:
required_shared_ptr<uint16_t> m_scrollram;
required_shared_ptr<uint16_t> m_bgram;
int m_pending_command;
uint16_t m_sprite_character_bank_select[8];
uint16_t m_video_bank_select[8];
tilemap_t *m_bg_tilemap;
@ -42,9 +41,7 @@ public:
std::unique_ptr<uint16_t[]> m_spriteram2_older;
DECLARE_READ16_MEMBER(pending_command_r);
DECLARE_WRITE8_MEMBER(sound_command_w);
DECLARE_WRITE8_MEMBER(unknown_output_w);
DECLARE_WRITE8_MEMBER(pending_command_clear_w);
DECLARE_WRITE8_MEMBER(sh_bankswitch_w);
DECLARE_WRITE16_MEMBER(sprite_character_bank_select_w);
DECLARE_WRITE16_MEMBER(tileregs_w);