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Diffstat (limited to 'src/mame/drivers/pturn.cpp')
-rw-r--r--src/mame/drivers/pturn.cpp77
1 files changed, 47 insertions, 30 deletions
diff --git a/src/mame/drivers/pturn.cpp b/src/mame/drivers/pturn.cpp
index a7bb4628411..4d411dcd36d 100644
--- a/src/mame/drivers/pturn.cpp
+++ b/src/mame/drivers/pturn.cpp
@@ -78,6 +78,7 @@ ROMS: All ROM labels say only "PROM" and a number.
*/
#include "emu.h"
#include "cpu/z80/z80.h"
+#include "machine/74259.h"
#include "machine/gen_latch.h"
#include "sound/ay8910.h"
#include "screen.h"
@@ -90,6 +91,7 @@ public:
pturn_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
+ m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch"),
@@ -97,6 +99,7 @@ public:
m_spriteram(*this, "spriteram") { }
required_device<cpu_device> m_maincpu;
+ required_device<cpu_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
@@ -111,19 +114,21 @@ public:
int m_bgpalette;
int m_fgpalette;
int m_bgcolor;
- int m_nmi_main;
- int m_nmi_sub;
+ bool m_nmi_main;
+ bool m_nmi_sub;
DECLARE_WRITE8_MEMBER(videoram_w);
- DECLARE_WRITE8_MEMBER(nmi_main_enable_w);
+ DECLARE_WRITE_LINE_MEMBER(nmi_main_enable_w);
DECLARE_WRITE8_MEMBER(nmi_sub_enable_w);
+ DECLARE_WRITE_LINE_MEMBER(coin_counter_1_w);
+ DECLARE_WRITE_LINE_MEMBER(coin_counter_2_w);
DECLARE_WRITE8_MEMBER(bgcolor_w);
DECLARE_WRITE8_MEMBER(bg_scrollx_w);
DECLARE_WRITE8_MEMBER(fgpalette_w);
DECLARE_WRITE8_MEMBER(bg_scrolly_w);
- DECLARE_WRITE8_MEMBER(fgbank_w);
- DECLARE_WRITE8_MEMBER(bgbank_w);
- DECLARE_WRITE8_MEMBER(flip_w);
+ DECLARE_WRITE_LINE_MEMBER(fgbank_w);
+ DECLARE_WRITE_LINE_MEMBER(bgbank_w);
+ DECLARE_WRITE_LINE_MEMBER(flip_w);
DECLARE_READ8_MEMBER(custom_r);
TILE_GET_INFO_MEMBER(get_tile_info);
@@ -244,14 +249,28 @@ WRITE8_MEMBER(pturn_state::videoram_w)
}
-WRITE8_MEMBER(pturn_state::nmi_main_enable_w)
+WRITE_LINE_MEMBER(pturn_state::nmi_main_enable_w)
{
- m_nmi_main = data;
+ m_nmi_main = state;
+ if (!m_nmi_main)
+ m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
}
WRITE8_MEMBER(pturn_state::nmi_sub_enable_w)
{
- m_nmi_sub = data;
+ m_nmi_sub = BIT(data, 0);
+ if (!m_nmi_sub)
+ m_audiocpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
+}
+
+WRITE_LINE_MEMBER(pturn_state::coin_counter_1_w)
+{
+ machine().bookkeeping().coin_counter_w(0, state);
+}
+
+WRITE_LINE_MEMBER(pturn_state::coin_counter_2_w)
+{
+ machine().bookkeeping().coin_counter_w(1, state);
}
WRITE8_MEMBER(pturn_state::bgcolor_w)
@@ -277,21 +296,21 @@ WRITE8_MEMBER(pturn_state::bg_scrolly_w)
m_bgmap->set_scrollx(0, data);
}
-WRITE8_MEMBER(pturn_state::fgbank_w)
+WRITE_LINE_MEMBER(pturn_state::fgbank_w)
{
- m_fgbank=data&1;
+ m_fgbank = state;
m_fgmap->mark_all_dirty();
}
-WRITE8_MEMBER(pturn_state::bgbank_w)
+WRITE_LINE_MEMBER(pturn_state::bgbank_w)
{
- m_bgbank=data&1;
+ m_bgbank = state;
m_bgmap->mark_all_dirty();
}
-WRITE8_MEMBER(pturn_state::flip_w)
+WRITE_LINE_MEMBER(pturn_state::flip_w)
{
- flip_screen_set(data);
+ flip_screen_set(state);
}
@@ -344,14 +363,7 @@ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, pturn_state )
AM_RANGE(0xf805, 0xf805) AM_READ_PORT("DSW1")
AM_RANGE(0xf806, 0xf806) AM_READNOP /* Protection related, ((val&3)==2) -> jump to 0 */
- AM_RANGE(0xfc00, 0xfc00) AM_WRITE(flip_w)
- AM_RANGE(0xfc01, 0xfc01) AM_WRITE(nmi_main_enable_w)
- AM_RANGE(0xfc02, 0xfc02) AM_WRITENOP /* Unknown */
- AM_RANGE(0xfc03, 0xfc03) AM_WRITENOP /* Unknown */
- AM_RANGE(0xfc04, 0xfc04) AM_WRITE(bgbank_w)
- AM_RANGE(0xfc05, 0xfc05) AM_WRITE(fgbank_w)
- AM_RANGE(0xfc06, 0xfc06) AM_WRITENOP /* Unknown */
- AM_RANGE(0xfc07, 0xfc07) AM_WRITENOP /* Unknown */
+ AM_RANGE(0xfc00, 0xfc07) AM_DEVWRITE("mainlatch", ls259_device, write_d0)
ADDRESS_MAP_END
@@ -472,18 +484,14 @@ INPUT_PORTS_END
INTERRUPT_GEN_MEMBER(pturn_state::sub_intgen)
{
- if(m_nmi_sub)
- {
- device.execute().set_input_line(INPUT_LINE_NMI,PULSE_LINE);
- }
+ if (m_nmi_sub)
+ device.execute().set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
}
INTERRUPT_GEN_MEMBER(pturn_state::main_intgen)
{
if (m_nmi_main)
- {
- device.execute().set_input_line(INPUT_LINE_NMI,PULSE_LINE);
- }
+ device.execute().set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
}
void pturn_state::machine_start()
@@ -496,6 +504,7 @@ void pturn_state::machine_reset()
{
address_space &space = m_maincpu->space(AS_PROGRAM);
m_soundlatch->clear_w(space,0,0);
+ m_nmi_sub = false;
}
static MACHINE_CONFIG_START( pturn )
@@ -507,6 +516,14 @@ static MACHINE_CONFIG_START( pturn )
MCFG_CPU_PROGRAM_MAP(sub_map)
MCFG_CPU_PERIODIC_INT_DRIVER(pturn_state, sub_intgen, 3*60)
+ MCFG_DEVICE_ADD("mainlatch", LS259, 0)
+ MCFG_ADDRESSABLE_LATCH_Q0_OUT_CB(WRITELINE(pturn_state, flip_w))
+ MCFG_ADDRESSABLE_LATCH_Q1_OUT_CB(WRITELINE(pturn_state, nmi_main_enable_w))
+ MCFG_ADDRESSABLE_LATCH_Q2_OUT_CB(WRITELINE(pturn_state, coin_counter_1_w))
+ MCFG_ADDRESSABLE_LATCH_Q3_OUT_CB(WRITELINE(pturn_state, coin_counter_2_w))
+ MCFG_ADDRESSABLE_LATCH_Q4_OUT_CB(WRITELINE(pturn_state, bgbank_w))
+ MCFG_ADDRESSABLE_LATCH_Q5_OUT_CB(WRITELINE(pturn_state, fgbank_w))
+ MCFG_ADDRESSABLE_LATCH_Q6_OUT_CB(NOOP) // toggles frequently during gameplay
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)