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tattack.cpp: added paddle input & drawing, game is now playable (nw)

master
angelosa 2017-11-10 01:53:37 +01:00
parent 7b529cc3fb
commit e3570f6e69
1 changed files with 40 additions and 14 deletions
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54
src/mame/drivers/tattack.cpp
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@ -60,13 +60,16 @@ public:
m_colorram(*this, "colorram"),
m_gfxdecode(*this, "gfxdecode") { }
// DECLARE_WRITE8_MEMBER(paddle_w);
DECLARE_WRITE8_MEMBER(paddle_w);
DECLARE_WRITE8_MEMBER(ball_w);
DECLARE_WRITE8_MEMBER(brick_dma_w);
DECLARE_DRIVER_INIT(tattack);
TILE_GET_INFO_MEMBER(get_tile_info);
virtual void video_start() override;
DECLARE_PALETTE_INIT(tattack);
uint32_t screen_update_tattack(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
virtual void video_start() override;
private:
required_device<cpu_device> m_maincpu;
required_shared_ptr<uint8_t> m_ram;
@ -75,6 +78,7 @@ private:
required_device<gfxdecode_device> m_gfxdecode;
tilemap_t *m_tmap;
uint8_t m_ball_regs[2];
uint8_t m_paddle_reg;
void draw_gameplay_bitmap(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_edge_bitmap(bitmap_ind16 &bitmap, const rectangle &cliprect);
@ -144,7 +148,18 @@ void tattack_state::draw_gameplay_bitmap(bitmap_ind16 &bitmap, const rectangle &
}
}
}
// draw paddle
for(xi=0;xi<4;xi++)
for(yi=0;yi<16;yi++)
{
int resx =(38+xi);
int resy = m_paddle_reg+yi;
if(cliprect.contains(resx,resy))
bitmap.pix16(resy, resx) = white_pen;
}
// draw ball
for(xi=0;xi<4;xi++)
for(yi=0;yi<4;yi++)
@ -176,28 +191,36 @@ void tattack_state::video_start()
m_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tattack_state::get_tile_info),this),TILEMAP_SCAN_ROWS,8,8,32,32 );
}
#if 0
WRITE8_MEMBER(tattack_state::paddle_w)
{
// ...
m_paddle_reg = data;
}
#endif
WRITE8_MEMBER(tattack_state::ball_w)
{
m_ball_regs[offset] = data;
}
static ADDRESS_MAP_START( mem, AS_PROGRAM, 8, tattack_state )
WRITE8_MEMBER(tattack_state::brick_dma_w)
{
// bit 7: 0->1 transfers from RAM to internal video buffer
// bit 4: bricks color bank?
// bit 3: enable bottom edge?
// popmessage("%02x",data&0x7f);
}
static ADDRESS_MAP_START( tattack_map, AS_PROGRAM, 8, tattack_state )
AM_RANGE(0x0000, 0x0fff) AM_ROM
AM_RANGE(0x4000, 0x4000) AM_READNOP // $315, checks again with same memory, loops if different (?)
AM_RANGE(0x4000, 0x4000) AM_READ_PORT("AN_PADDLE") // $315, checks again with same memory, loops if different (?)
AM_RANGE(0x5000, 0x53ff) AM_RAM AM_SHARE("videoram")
AM_RANGE(0x7000, 0x73ff) AM_RAM AM_SHARE("colorram") // color map ? something else .. only bits 1-3 are used
AM_RANGE(0x6000, 0x6000) AM_READ_PORT("DSW2")
AM_RANGE(0x7000, 0x73ff) AM_RAM AM_SHARE("colorram") // color map ? something else .. only bits 1-3 are used
AM_RANGE(0xa000, 0xa000) AM_READ_PORT("DSW1") // dsw ? something else ?
AM_RANGE(0xc000, 0xc000) AM_READ_PORT("INPUTS") AM_WRITENOP
AM_RANGE(0xc001, 0xc002) AM_WRITENOP // bit 7 = strobe ($302)
AM_RANGE(0xc005, 0xc005) AM_WRITENOP
AM_RANGE(0xc001, 0xc001) AM_WRITE(brick_dma_w) // bit 7 = strobe ($302)
AM_RANGE(0xc002, 0xc002) AM_WRITENOP
AM_RANGE(0xc005, 0xc005) AM_WRITE(paddle_w)
AM_RANGE(0xc006, 0xc007) AM_WRITE(ball_w)
AM_RANGE(0xe000, 0xe3ff) AM_RAM AM_SHARE("ram")
ADDRESS_MAP_END
@ -230,9 +253,9 @@ static INPUT_PORTS_START( tattack )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPNAME( 0x04, 0x00, "Time" )
PORT_DIPNAME( 0x04, 0x04, "Time" )
PORT_DIPSETTING( 0x04, "112" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPSETTING( 0x00, "5" ) // game ends after breaking five bricks!?
PORT_DIPNAME( 0x08, 0x00, "DSW1 4" )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
@ -274,6 +297,9 @@ static INPUT_PORTS_START( tattack )
PORT_DIPNAME( 0x80, 0x00, "DSW2 8" )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("AN_PADDLE")
PORT_BIT( 0xff, 0x00, IPT_PADDLE ) PORT_MINMAX(0,0xff) PORT_SENSITIVITY(10) PORT_KEYDELTA(10) PORT_CENTERDELTA(0)
INPUT_PORTS_END
@ -318,7 +344,7 @@ static MACHINE_CONFIG_START( tattack )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, 8000000 / 2) /* 4 MHz ? */
MCFG_CPU_PROGRAM_MAP(mem)
MCFG_CPU_PROGRAM_MAP(tattack_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", tattack_state, irq0_line_hold)
/* video hardware */