pturn: Add LS259 and coin counters; remove PULSE_LINE (nw)

This commit is contained in:
AJR 2017-11-04 14:58:52 -04:00
parent b9e9c478a1
commit 3ed1c00293

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@ -78,6 +78,7 @@ ROMS: All ROM labels say only "PROM" and a number.
*/ */
#include "emu.h" #include "emu.h"
#include "cpu/z80/z80.h" #include "cpu/z80/z80.h"
#include "machine/74259.h"
#include "machine/gen_latch.h" #include "machine/gen_latch.h"
#include "sound/ay8910.h" #include "sound/ay8910.h"
#include "screen.h" #include "screen.h"
@ -90,6 +91,7 @@ public:
pturn_state(const machine_config &mconfig, device_type type, const char *tag) pturn_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag), : driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"), m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode"), m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"), m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch"), m_soundlatch(*this, "soundlatch"),
@ -97,6 +99,7 @@ public:
m_spriteram(*this, "spriteram") { } m_spriteram(*this, "spriteram") { }
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode; required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette; required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch; required_device<generic_latch_8_device> m_soundlatch;
@ -111,19 +114,21 @@ public:
int m_bgpalette; int m_bgpalette;
int m_fgpalette; int m_fgpalette;
int m_bgcolor; int m_bgcolor;
int m_nmi_main; bool m_nmi_main;
int m_nmi_sub; bool m_nmi_sub;
DECLARE_WRITE8_MEMBER(videoram_w); 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_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(bgcolor_w);
DECLARE_WRITE8_MEMBER(bg_scrollx_w); DECLARE_WRITE8_MEMBER(bg_scrollx_w);
DECLARE_WRITE8_MEMBER(fgpalette_w); DECLARE_WRITE8_MEMBER(fgpalette_w);
DECLARE_WRITE8_MEMBER(bg_scrolly_w); DECLARE_WRITE8_MEMBER(bg_scrolly_w);
DECLARE_WRITE8_MEMBER(fgbank_w); DECLARE_WRITE_LINE_MEMBER(fgbank_w);
DECLARE_WRITE8_MEMBER(bgbank_w); DECLARE_WRITE_LINE_MEMBER(bgbank_w);
DECLARE_WRITE8_MEMBER(flip_w); DECLARE_WRITE_LINE_MEMBER(flip_w);
DECLARE_READ8_MEMBER(custom_r); DECLARE_READ8_MEMBER(custom_r);
TILE_GET_INFO_MEMBER(get_tile_info); 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) 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) WRITE8_MEMBER(pturn_state::bgcolor_w)
@ -277,21 +296,21 @@ WRITE8_MEMBER(pturn_state::bg_scrolly_w)
m_bgmap->set_scrollx(0, data); 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(); 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(); 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(0xf805, 0xf805) AM_READ_PORT("DSW1")
AM_RANGE(0xf806, 0xf806) AM_READNOP /* Protection related, ((val&3)==2) -> jump to 0 */ AM_RANGE(0xf806, 0xf806) AM_READNOP /* Protection related, ((val&3)==2) -> jump to 0 */
AM_RANGE(0xfc00, 0xfc00) AM_WRITE(flip_w) AM_RANGE(0xfc00, 0xfc07) AM_DEVWRITE("mainlatch", ls259_device, write_d0)
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 */
ADDRESS_MAP_END ADDRESS_MAP_END
@ -472,18 +484,14 @@ INPUT_PORTS_END
INTERRUPT_GEN_MEMBER(pturn_state::sub_intgen) INTERRUPT_GEN_MEMBER(pturn_state::sub_intgen)
{ {
if(m_nmi_sub) if (m_nmi_sub)
{ device.execute().set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
device.execute().set_input_line(INPUT_LINE_NMI,PULSE_LINE);
}
} }
INTERRUPT_GEN_MEMBER(pturn_state::main_intgen) INTERRUPT_GEN_MEMBER(pturn_state::main_intgen)
{ {
if (m_nmi_main) if (m_nmi_main)
{ device.execute().set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
device.execute().set_input_line(INPUT_LINE_NMI,PULSE_LINE);
}
} }
void pturn_state::machine_start() void pturn_state::machine_start()
@ -496,6 +504,7 @@ void pturn_state::machine_reset()
{ {
address_space &space = m_maincpu->space(AS_PROGRAM); address_space &space = m_maincpu->space(AS_PROGRAM);
m_soundlatch->clear_w(space,0,0); m_soundlatch->clear_w(space,0,0);
m_nmi_sub = false;
} }
static MACHINE_CONFIG_START( pturn ) static MACHINE_CONFIG_START( pturn )
@ -507,6 +516,14 @@ static MACHINE_CONFIG_START( pturn )
MCFG_CPU_PROGRAM_MAP(sub_map) MCFG_CPU_PROGRAM_MAP(sub_map)
MCFG_CPU_PERIODIC_INT_DRIVER(pturn_state, sub_intgen, 3*60) 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_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_REFRESH_RATE(60)