diff options
Diffstat (limited to 'src/mess/drivers/cc40.c')
-rw-r--r-- | src/mess/drivers/cc40.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/mess/drivers/cc40.c b/src/mess/drivers/cc40.c index fab1b98df5a..8ca9bc455cf 100644 --- a/src/mess/drivers/cc40.c +++ b/src/mess/drivers/cc40.c @@ -42,14 +42,14 @@ AMI 1041036-1 - 68-pin QFP AMI Gate Array HD44100H - 60-pin QFP Hitachi HD44100 LCD Driver HD44780A00 - 80-pin TFP Hitachi HD44780 LCD Controller - + * - indicates that it's on the other side of the PCB - - + + CC-40 is powered by 4 AA batteries. These will also save internal RAM, provided that the machine is turned off properly. If a program is running, you may have to press [BREAK] before turning the CC-40 off. - + To run a cartridge, usually the command RUN "DIR" shows which program(s) can be loaded. Load a program by pressing the [RUN] key while viewing the list, or manually with the command RUN "<shortname of program in list>" @@ -90,14 +90,14 @@ public: required_device<tms70c20_device> m_maincpu; required_device<dac_device> m_dac; - + ioport_port *m_key_matrix[8]; UINT8 m_power; UINT8 m_banks; UINT8 m_clock_control; UINT8 m_key_select; - + void update_lcd_indicator(UINT8 y, UINT8 x, int state); DECLARE_READ8_MEMBER(bus_control_r); @@ -215,7 +215,7 @@ WRITE8_MEMBER(cc40_state::power_w) { // d0: power-on hold latch m_power = data & 1; - + // stop running if (!m_power) m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE); @@ -242,7 +242,7 @@ WRITE8_MEMBER(cc40_state::bankswitch_w) { // d0-d1: system rom bankswitch membank("sysbank")->set_entry(data & 3); - + // d2-d3: cartridge rom bankswitch membank("cartbank")->set_entry(data >> 2 & 3); @@ -271,7 +271,7 @@ WRITE8_MEMBER(cc40_state::clock_w) // high to low m_maincpu->set_clock_scale(1); } - + m_clock_control = data & 0x0f; } @@ -285,7 +285,7 @@ READ8_MEMBER(cc40_state::keyboard_r) if (m_key_select >> i & 1) ret |= m_key_matrix[i]->read(); } - + return ret; } @@ -427,7 +427,7 @@ INPUT_PORTS_END void cc40_state::machine_reset() { m_power = 1; - + address_space &space = m_maincpu->space(AS_PROGRAM); bankswitch_w(space, 0, 0); } @@ -437,7 +437,7 @@ void cc40_state::machine_start() static const char *const tags[] = { "IN0", "IN1", "IN2", "IN3", "IN4", "IN5", "IN6", "IN7" }; for (int i = 0; i < 8; i++) m_key_matrix[i] = ioport(tags[i]); - + membank("sysbank")->configure_entries(0, 4, memregion("system")->base(), 0x2000); membank("cartbank")->configure_entries(0, 4, memregion("user1")->base(), 0x8000); @@ -446,7 +446,7 @@ void cc40_state::machine_start() m_banks = 0; m_clock_control = 0; m_key_select = 0; - + // register for savestates save_item(NAME(m_power)); save_item(NAME(m_banks)); @@ -511,7 +511,7 @@ ROM_START( cc40 ) ROM_REGION( 0x8000, "system", 0 ) ROM_LOAD( "cc40.bin", 0x0000, 0x8000, CRC(f5322fab) SHA1(1b5c4052a53654363c458f75eac7a27f0752def6) ) // system rom, banked - + ROM_REGION( 0x20000, "user1", ROMREGION_ERASEFF ) // cartridge area, max 4*32KB ROM_END |