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tecmosys.cpp: Soundlatch modernization (nw)

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This commit is contained in:
AJR 2017-08-31 13:12:40 -04:00
parent 5b6b24d9c3
commit 238d2fbaf8
2 changed files with 17 additions and 24 deletions
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32
src/mame/drivers/tecmosys.cpp
View File

@ -193,26 +193,15 @@ ae500w07.ad1 - M6295 Samples (23c4001)
#include "speaker.h"
// It looks like this needs a synch between z80 and 68k ??? See z80:006A-0091
READ16_MEMBER(tecmosys_state::sound_r)
READ8_MEMBER(tecmosys_state::sound_command_pending_r)
{
if (ACCESSING_BITS_0_7)
{
machine().scheduler().synchronize();
return m_soundlatch2->read(space, 0);
}
return 0;
return m_soundlatch->pending_r();
}
WRITE16_MEMBER(tecmosys_state::sound_w)
WRITE8_MEMBER(tecmosys_state::sound_nmi_disable_w)
{
if (ACCESSING_BITS_0_7)
{
machine().scheduler().synchronize();
m_soundlatch->write(space, 0x00, data & 0xff);
m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}
// 00 and FF are the only values written here; the latter value is set during initialization and NMI processing
m_soundnmi->in_w<1>(data == 0);
}
/*
@ -318,9 +307,9 @@ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 16, tecmosys_state )
AM_RANGE(0xd00000, 0xd00001) AM_READ_PORT("P1")
AM_RANGE(0xd00002, 0xd00003) AM_READ_PORT("P2")
AM_RANGE(0xd80000, 0xd80001) AM_READ(eeprom_r)
AM_RANGE(0xe00000, 0xe00001) AM_WRITE(sound_w )
AM_RANGE(0xe00000, 0xe00001) AM_DEVWRITE8("soundlatch", generic_latch_8_device, write, 0x00ff)
AM_RANGE(0xe80000, 0xe80001) AM_WRITE(prot_data_w)
AM_RANGE(0xf00000, 0xf00001) AM_READ(sound_r)
AM_RANGE(0xf00000, 0xf00001) AM_READ8(sound_command_pending_r, 0x00ff)
AM_RANGE(0xf80000, 0xf80001) AM_READ(prot_data_r)
ADDRESS_MAP_END
@ -353,7 +342,7 @@ static ADDRESS_MAP_START( io_map, AS_IO, 8, tecmosys_state )
AM_RANGE(0x20, 0x20) AM_WRITE(oki_bank_w)
AM_RANGE(0x30, 0x30) AM_WRITE(z80_bank_w)
AM_RANGE(0x40, 0x40) AM_DEVREAD("soundlatch", generic_latch_8_device, read)
AM_RANGE(0x50, 0x50) AM_DEVWRITE("soundlatch2", generic_latch_8_device, write)
AM_RANGE(0x50, 0x50) AM_WRITE(sound_nmi_disable_w)
AM_RANGE(0x60, 0x61) AM_DEVREADWRITE("ymz", ymz280b_device, read, write)
ADDRESS_MAP_END
@ -477,7 +466,10 @@ static MACHINE_CONFIG_START( deroon )
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
MCFG_GENERIC_LATCH_8_ADD("soundlatch2")
MCFG_GENERIC_LATCH_DATA_PENDING_CB(DEVWRITELINE("soundnmi", input_merger_device, in_w<0>))
MCFG_INPUT_MERGER_ALL_HIGH("soundnmi")
MCFG_INPUT_MERGER_OUTPUT_HANDLER(INPUTLINE("audiocpu", INPUT_LINE_NMI))
MCFG_SOUND_ADD("ymf", YMF262, XTAL_14_31818MHz)
MCFG_YMF262_IRQ_HANDLER(INPUTLINE("audiocpu", 0))

9
src/mame/includes/tecmosys.h
View File

@ -8,6 +8,7 @@
#include "machine/eepromser.h"
#include "machine/gen_latch.h"
#include "machine/input_merger.h"
#include "machine/watchdog.h"
#include "screen.h"
@ -24,7 +25,7 @@ public:
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch"),
m_soundlatch2(*this, "soundlatch2"),
m_soundnmi(*this, "soundnmi"),
m_spriteram(*this, "spriteram"),
m_tilemap_paletteram16(*this, "tmap_palette"),
m_bg2tilemap_ram(*this, "bg2tilemap_ram"),
@ -48,7 +49,7 @@ public:
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
required_device<generic_latch_8_device> m_soundlatch2;
required_device<input_merger_device> m_soundnmi;
required_shared_ptr<uint16_t> m_spriteram;
required_shared_ptr<uint16_t> m_tilemap_paletteram16;
@ -78,8 +79,8 @@ public:
const struct prot_data* m_device_data;
uint8_t m_device_value;
DECLARE_READ16_MEMBER(sound_r);
DECLARE_WRITE16_MEMBER(sound_w);
DECLARE_READ8_MEMBER(sound_command_pending_r);
DECLARE_WRITE8_MEMBER(sound_nmi_disable_w);
DECLARE_WRITE16_MEMBER(unk880000_w);
DECLARE_READ16_MEMBER(unk880000_r);
DECLARE_WRITE8_MEMBER(z80_bank_w);