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speedatk: added save state support (nw)

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This commit is contained in:
Ivan Vangelista 2015-02-23 19:15:49 +01:00
parent 660442b985
commit 9c92d07fb5
3 changed files with 44 additions and 36 deletions
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24
src/mame/drivers/speedatk.c
View File

@ -7,7 +7,6 @@ Speed Attack! (c) 1984 Seta Kikaku Corp.
driver by Pierpaolo Prazzoli & Angelo Salese, based on early work by David Haywood
TODO:
- Video emulation requires a major conversion to the HD46505SP C.R.T. chip (MC6845 clone)
- It's possible that there is only one coin chute and not two,needs a real board to know
more about it.
@ -79,11 +78,18 @@ PS / PD : key matrix
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "video/mc6845.h"
#include "includes/speedatk.h"
#define MASTER_CLOCK XTAL_12MHz
void speedatk_state::machine_start()
{
save_item(NAME(m_mux_data));
save_item(NAME(m_km_status));
save_item(NAME(m_coin_settings));
save_item(NAME(m_coin_impulse));
}
UINT8 speedatk_state::iox_key_matrix_calc(UINT8 p_side)
{
static const char *const keynames[] = { "P1_ROW0", "P1_ROW1", "P2_ROW0", "P2_ROW1" };
@ -175,14 +181,14 @@ static ADDRESS_MAP_START( speedatk_mem, AS_PROGRAM, 8, speedatk_state )
AM_RANGE(0x8000, 0x8000) AM_READWRITE(key_matrix_r,key_matrix_w)
AM_RANGE(0x8001, 0x8001) AM_READWRITE(key_matrix_status_r,key_matrix_status_w)
AM_RANGE(0x8800, 0x8fff) AM_RAM
AM_RANGE(0xa000, 0xa3ff) AM_RAM_WRITE(speedatk_videoram_w) AM_SHARE("videoram")
AM_RANGE(0xb000, 0xb3ff) AM_RAM_WRITE(speedatk_colorram_w) AM_SHARE("colorram")
AM_RANGE(0xa000, 0xa3ff) AM_RAM AM_SHARE("videoram")
AM_RANGE(0xb000, 0xb3ff) AM_RAM AM_SHARE("colorram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( speedatk_io, AS_IO, 8, speedatk_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x01) AM_WRITE(speedatk_6845_w) //h46505 address / data routing
AM_RANGE(0x00, 0x01) AM_WRITE(m6845_w) //h46505 address / data routing
AM_RANGE(0x24, 0x24) AM_WRITE(watchdog_reset_w)
AM_RANGE(0x40, 0x40) AM_DEVREAD("aysnd", ay8910_device, data_r)
AM_RANGE(0x40, 0x41) AM_DEVWRITE("aysnd", ay8910_device, address_data_w)
@ -285,7 +291,7 @@ static GFXDECODE_START( speedatk )
GFXDECODE_ENTRY( "gfx2", 0, charlayout_3bpp, 0, 32 )
GFXDECODE_END
WRITE8_MEMBER(speedatk_state::speedatk_output_w)
WRITE8_MEMBER(speedatk_state::output_w)
{
m_flip_scr = data & 0x80;
@ -308,7 +314,7 @@ static MACHINE_CONFIG_START( speedatk, speedatk_state )
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(320, 256)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
MCFG_SCREEN_UPDATE_DRIVER(speedatk_state, screen_update_speedatk)
MCFG_SCREEN_UPDATE_DRIVER(speedatk_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_MC6845_ADD("crtc", H46505, "screen", MASTER_CLOCK/16) /* hand tuned to get ~60 fps */
@ -325,7 +331,7 @@ static MACHINE_CONFIG_START( speedatk, speedatk_state )
MCFG_SOUND_ADD("aysnd", AY8910, MASTER_CLOCK/4) //divider is unknown
MCFG_AY8910_PORT_B_READ_CB(IOPORT("DSW"))
MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(speedatk_state, speedatk_output_w))
MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(speedatk_state, output_w))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MACHINE_CONFIG_END
@ -350,4 +356,4 @@ ROM_START( speedatk )
ROM_LOAD( "cb2.bpr", 0x0020, 0x0100, CRC(a604cf96) SHA1(a4ef6e77dcd3abe4c27e8e636222a5ee711a51f5) ) /* lookup table */
ROM_END
GAME( 1984, speedatk, 0, speedatk, speedatk, driver_device, 0, ROT0, "Seta Kikaku Corp.", "Speed Attack! (Japan)", 0 )
GAME( 1984, speedatk, 0, speedatk, speedatk, driver_device, 0, ROT0, "Seta Kikaku Corp.", "Speed Attack! (Japan)", GAME_SUPPORTS_SAVE )

34
src/mame/includes/speedatk.h
View File

@ -1,37 +1,47 @@
#include "video/mc6845.h"
class speedatk_state : public driver_device
{
public:
speedatk_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_colorram(*this, "colorram"),
m_maincpu(*this, "maincpu"),
m_crtc(*this, "crtc"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
m_palette(*this, "palette"),
m_videoram(*this, "videoram"),
m_colorram(*this, "colorram") { }
required_device<cpu_device> m_maincpu;
required_device<h46505_device> m_crtc;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_colorram;
UINT8 m_crtc_vreg[0x100];
UINT8 m_crtc_index;
UINT8 m_flip_scr;
UINT8 m_mux_data;
UINT8 m_km_status;
UINT8 m_coin_settings;
UINT8 m_coin_impulse;
DECLARE_READ8_MEMBER(key_matrix_r);
DECLARE_WRITE8_MEMBER(key_matrix_w);
DECLARE_READ8_MEMBER(key_matrix_status_r);
DECLARE_WRITE8_MEMBER(key_matrix_status_w);
DECLARE_WRITE8_MEMBER(speedatk_videoram_w);
DECLARE_WRITE8_MEMBER(speedatk_colorram_w);
DECLARE_WRITE8_MEMBER(speedatk_6845_w);
DECLARE_WRITE8_MEMBER(speedatk_output_w);
DECLARE_WRITE8_MEMBER(videoram_w);
DECLARE_WRITE8_MEMBER(colorram_w);
DECLARE_WRITE8_MEMBER(m6845_w);
DECLARE_WRITE8_MEMBER(output_w);
virtual void machine_start();
virtual void video_start();
DECLARE_PALETTE_INIT(speedatk);
UINT32 screen_update_speedatk(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT8 iox_key_matrix_calc(UINT8 p_side);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};

22
src/mame/video/speedatk.c
View File

@ -5,7 +5,6 @@
*****************************************************************************************/
#include "emu.h"
#include "includes/speedatk.h"
#include "video/mc6845.h"
PALETTE_INIT_MEMBER(speedatk_state, speedatk)
@ -50,35 +49,28 @@ PALETTE_INIT_MEMBER(speedatk_state, speedatk)
}
}
WRITE8_MEMBER(speedatk_state::speedatk_videoram_w)
{
m_videoram[offset] = data;
}
WRITE8_MEMBER(speedatk_state::speedatk_colorram_w)
{
m_colorram[offset] = data;
}
void speedatk_state::video_start()
{
save_item(NAME(m_crtc_vreg));
save_item(NAME(m_crtc_index));
save_item(NAME(m_flip_scr));
}
WRITE8_MEMBER(speedatk_state::speedatk_6845_w)
WRITE8_MEMBER(speedatk_state::m6845_w)
{
if(offset == 0)
{
m_crtc_index = data;
machine().device<mc6845_device>("crtc")->address_w(space,0,data);
m_crtc->address_w(space,0,data);
}
else
{
m_crtc_vreg[m_crtc_index] = data;
machine().device<mc6845_device>("crtc")->register_w(space,0,data);
m_crtc->register_w(space,0,data);
}
}
UINT32 speedatk_state::screen_update_speedatk(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
UINT32 speedatk_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int x,y;
int count;