diff options
Diffstat (limited to 'src/mame/drivers/calchase.c')
-rw-r--r-- | src/mame/drivers/calchase.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/src/mame/drivers/calchase.c b/src/mame/drivers/calchase.c index 5eb9f1fc346..22d0b1c6d6a 100644 --- a/src/mame/drivers/calchase.c +++ b/src/mame/drivers/calchase.c @@ -131,8 +131,8 @@ class calchase_state : public driver_device public: calchase_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu") - { } + m_maincpu(*this, "maincpu") + { } UINT32 *m_bios_ram; UINT32 *m_bios_ext_ram; @@ -142,11 +142,11 @@ public: UINT8 m_mxtc_config_reg[256]; UINT8 m_piix4_config_reg[4][256]; - device_t *m_pit8254; - device_t *m_pic8259_1; - device_t *m_pic8259_2; - device_t *m_dma8237_1; - device_t *m_dma8237_2; + device_t *m_pit8254; + device_t *m_pic8259_1; + device_t *m_pic8259_2; + device_t *m_dma8237_1; + device_t *m_dma8237_2; UINT32 m_idle_skip_ram; required_device<cpu_device> m_maincpu; @@ -343,22 +343,22 @@ static void mxtc_config_w(device_t *busdevice, device_t *device, int function, i // mame_printf_debug("%s:MXTC: write %d, %02X, %02X\n", machine.describe_context(), function, reg, data); /* - memory banking with North Bridge: - 0x63 (PAM) xx-- ---- BIOS extension 0xe0000 - 0xeffff - --xx ---- BIOS area 0xf0000-0xfffff - ---- xx-- ISA add-on BIOS 0xc0000 - 0xcffff - ---- --xx ISA add-on BIOS 0xd0000 - 0xdffff + memory banking with North Bridge: + 0x63 (PAM) xx-- ---- BIOS extension 0xe0000 - 0xeffff + --xx ---- BIOS area 0xf0000-0xfffff + ---- xx-- ISA add-on BIOS 0xc0000 - 0xcffff + ---- --xx ISA add-on BIOS 0xd0000 - 0xdffff - 10 -> 1 = Write Enable, 0 = Read Enable - */ + 10 -> 1 = Write Enable, 0 = Read Enable + */ if (reg == 0x63) { - if (data & 0x20) // enable RAM access to region 0xf0000 - 0xfffff + if (data & 0x20) // enable RAM access to region 0xf0000 - 0xfffff state->membank("bios_bank")->set_base(state->m_bios_ram); - else // disable RAM access (reads go to BIOS ROM) + else // disable RAM access (reads go to BIOS ROM) state->membank("bios_bank")->set_base(state->memregion("bios")->base() + 0x10000); - if (data & 0x80) // enable RAM access to region 0xe0000 - 0xeffff + if (data & 0x80) // enable RAM access to region 0xe0000 - 0xeffff state->membank("bios_ext")->set_base(state->m_bios_ext_ram); else state->membank("bios_ext")->set_base(state->memregion("bios")->base() + 0); @@ -574,7 +574,7 @@ static ADDRESS_MAP_START( calchase_map, AS_PROGRAM, 32, calchase_state ) //AM_RANGE(0x18000000, 0x180001ff) AM_RAM //AM_RANGE(0x20000000, 0x200001ff) AM_RAM //AM_RANGE(0x28000000, 0x280001ff) AM_RAM - AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) /* System BIOS */ + AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) /* System BIOS */ ADDRESS_MAP_END static ADDRESS_MAP_START( calchase_io, AS_IO, 32, calchase_state ) @@ -629,7 +629,7 @@ ADDRESS_MAP_END #if 1 static INPUT_PORTS_START( calchase ) PORT_START("pc_keyboard_0") - PORT_BIT ( 0x0001, 0x0000, IPT_UNUSED ) /* unused scancode 0 */ + PORT_BIT ( 0x0001, 0x0000, IPT_UNUSED ) /* unused scancode 0 */ AT_KEYB_HELPER( 0x0002, "Esc", KEYCODE_Q ) /* Esc 01 81 */ PORT_START("pc_keyboard_1") @@ -652,13 +652,13 @@ static INPUT_PORTS_START( calchase ) PORT_START("pc_keyboard_5") PORT_START("pc_keyboard_6") - AT_KEYB_HELPER( 0x0040, "(MF2)Cursor Up", KEYCODE_UP ) /* Up 67 e7 */ - AT_KEYB_HELPER( 0x0080, "(MF2)Page Up", KEYCODE_PGUP ) /* Page Up 68 e8 */ - AT_KEYB_HELPER( 0x0100, "(MF2)Cursor Left", KEYCODE_LEFT ) /* Left 69 e9 */ - AT_KEYB_HELPER( 0x0200, "(MF2)Cursor Right", KEYCODE_RIGHT ) /* Right 6a ea */ - AT_KEYB_HELPER( 0x0800, "(MF2)Cursor Down", KEYCODE_DOWN ) /* Down 6c ec */ - AT_KEYB_HELPER( 0x1000, "(MF2)Page Down", KEYCODE_PGDN ) /* Page Down 6d ed */ - AT_KEYB_HELPER( 0x4000, "Del", KEYCODE_A ) /* Delete 6f ef */ + AT_KEYB_HELPER( 0x0040, "(MF2)Cursor Up", KEYCODE_UP ) /* Up 67 e7 */ + AT_KEYB_HELPER( 0x0080, "(MF2)Page Up", KEYCODE_PGUP ) /* Page Up 68 e8 */ + AT_KEYB_HELPER( 0x0100, "(MF2)Cursor Left", KEYCODE_LEFT ) /* Left 69 e9 */ + AT_KEYB_HELPER( 0x0200, "(MF2)Cursor Right", KEYCODE_RIGHT ) /* Right 6a ea */ + AT_KEYB_HELPER( 0x0800, "(MF2)Cursor Down", KEYCODE_DOWN ) /* Down 6c ec */ + AT_KEYB_HELPER( 0x1000, "(MF2)Page Down", KEYCODE_PGDN ) /* Page Down 6d ed */ + AT_KEYB_HELPER( 0x4000, "Del", KEYCODE_A ) /* Delete 6f ef */ PORT_START("pc_keyboard_7") @@ -869,15 +869,15 @@ static const struct pit8253_config calchase_pit8254_config = { { { - 4772720/4, /* heartbeat IRQ */ + 4772720/4, /* heartbeat IRQ */ DEVCB_NULL, DEVCB_DEVICE_LINE("pic8259_1", pic8259_ir0_w) }, { - 4772720/4, /* dram refresh */ + 4772720/4, /* dram refresh */ DEVCB_NULL, DEVCB_NULL }, { - 4772720/4, /* pio port c pin 4, and speaker polling enough */ + 4772720/4, /* pio port c pin 4, and speaker polling enough */ DEVCB_NULL, DEVCB_NULL } |