31
static WRITE8_HANDLER( k007121_registers_w )
31
WRITE8_MEMBER(fastlane_state::k007121_registers_w)
33
fastlane_state *state = space->machine().driver_data<fastlane_state>();
36
k007121_ctrl_w(state->m_k007121, offset, data);
35
k007121_ctrl_w(m_k007121, offset, data);
37
36
else /* scroll registers */
38
state->m_k007121_regs[offset] = data;
37
m_k007121_regs[offset] = data;
41
static WRITE8_HANDLER( fastlane_bankswitch_w )
40
WRITE8_MEMBER(fastlane_state::fastlane_bankswitch_w)
43
fastlane_state *state = space->machine().driver_data<fastlane_state>();
45
43
/* bits 0 & 1 coin counters */
46
coin_counter_w(space->machine(), 0,data & 0x01);
47
coin_counter_w(space->machine(), 1,data & 0x02);
44
coin_counter_w(machine(), 0,data & 0x01);
45
coin_counter_w(machine(), 1,data & 0x02);
49
47
/* bits 2 & 3 = bank number */
50
memory_set_bank(space->machine(), "bank1", (data & 0x0c) >> 2);
48
membank("bank1")->set_entry((data & 0x0c) >> 2);
52
50
/* bit 4: bank # for the 007232 (chip 2) */
53
k007232_set_bank(state->m_konami2, 0 + ((data & 0x10) >> 4), 2 + ((data & 0x10) >> 4));
51
k007232_set_bank(m_konami2, 0 + ((data & 0x10) >> 4), 2 + ((data & 0x10) >> 4));
55
53
/* other bits seems to be unused */
72
static ADDRESS_MAP_START( fastlane_map, AS_PROGRAM, 8 )
73
AM_RANGE(0x0000, 0x005f) AM_RAM_WRITE(k007121_registers_w) AM_BASE_MEMBER(fastlane_state, m_k007121_regs) /* 007121 registers */
70
static ADDRESS_MAP_START( fastlane_map, AS_PROGRAM, 8, fastlane_state )
71
AM_RANGE(0x0000, 0x005f) AM_RAM_WRITE(k007121_registers_w) AM_SHARE("k007121_regs") /* 007121 registers */
74
72
AM_RANGE(0x0800, 0x0800) AM_READ_PORT("DSW3")
75
73
AM_RANGE(0x0801, 0x0801) AM_READ_PORT("P2")
76
74
AM_RANGE(0x0802, 0x0802) AM_READ_PORT("P1")
79
77
AM_RANGE(0x0901, 0x0901) AM_READ_PORT("DSW2")
80
78
AM_RANGE(0x0b00, 0x0b00) AM_WRITE(watchdog_reset_w) /* watchdog reset */
81
79
AM_RANGE(0x0c00, 0x0c00) AM_WRITE(fastlane_bankswitch_w) /* bankswitch control */
82
AM_RANGE(0x0d00, 0x0d0d) AM_DEVREADWRITE("konami1", fastlane_k007232_r, fastlane_k007232_w) /* 007232 registers (chip 1) */
83
AM_RANGE(0x0e00, 0x0e0d) AM_DEVREADWRITE("konami2", fastlane_k007232_r, fastlane_k007232_w) /* 007232 registers (chip 2) */
84
AM_RANGE(0x0f00, 0x0f1f) AM_DEVREADWRITE("k051733", k051733_r, k051733_w) /* 051733 (protection) */
85
AM_RANGE(0x1000, 0x17ff) AM_RAM AM_BASE_MEMBER(fastlane_state, m_paletteram) /* Palette RAM */
80
AM_RANGE(0x0d00, 0x0d0d) AM_DEVREADWRITE_LEGACY("konami1", fastlane_k007232_r, fastlane_k007232_w) /* 007232 registers (chip 1) */
81
AM_RANGE(0x0e00, 0x0e0d) AM_DEVREADWRITE_LEGACY("konami2", fastlane_k007232_r, fastlane_k007232_w) /* 007232 registers (chip 2) */
82
AM_RANGE(0x0f00, 0x0f1f) AM_DEVREADWRITE_LEGACY("k051733", k051733_r, k051733_w) /* 051733 (protection) */
83
AM_RANGE(0x1000, 0x17ff) AM_RAM AM_SHARE("paletteram") /* Palette RAM */
86
84
AM_RANGE(0x1800, 0x1fff) AM_RAM /* Work RAM */
87
AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(fastlane_vram1_w) AM_BASE_MEMBER(fastlane_state, m_videoram1) /* Video RAM (chip 1) */
88
AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(fastlane_vram2_w) AM_BASE_MEMBER(fastlane_state, m_videoram2) /* Video RAM (chip 2) */
89
AM_RANGE(0x3000, 0x3fff) AM_RAM AM_BASE_MEMBER(fastlane_state, m_spriteram) /* Sprite RAM */
85
AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(fastlane_vram1_w) AM_SHARE("videoram1") /* Video RAM (chip 1) */
86
AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(fastlane_vram2_w) AM_SHARE("videoram2") /* Video RAM (chip 2) */
87
AM_RANGE(0x3000, 0x3fff) AM_RAM AM_SHARE("spriteram") /* Sprite RAM */
90
88
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1") /* banked ROM */
91
89
AM_RANGE(0x8000, 0xffff) AM_ROM /* ROM */
196
194
static MACHINE_START( fastlane )
198
196
fastlane_state *state = machine.driver_data<fastlane_state>();
199
UINT8 *ROM = machine.region("maincpu")->base();
197
UINT8 *ROM = state->memregion("maincpu")->base();
201
memory_configure_bank(machine, "bank1", 0, 4, &ROM[0x10000], 0x4000);
199
state->membank("bank1")->configure_entries(0, 4, &ROM[0x10000], 0x4000);
203
201
state->m_konami2 = machine.device("konami2");
204
202
state->m_k007121 = machine.device("k007121");