src/mess/drivers/et3400.c
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| 9 | 9 | - Proper artwork |
| 10 | 10 | |
| 11 | 11 | ****************************************************************************/ |
| 12 | #define ADDRESS_MAP_MODERN |
| 12 | 13 | |
| 13 | 14 | #include "emu.h" |
| 14 | 15 | #include "cpu/m6800/m6800.h" |
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| 19 | 20 | { |
| 20 | 21 | public: |
| 21 | 22 | et3400_state(running_machine &machine, const driver_device_config_base &config) |
| 22 | | : driver_device(machine, config) { } |
| 23 | : driver_device(machine, config), |
| 24 | m_maincpu(*this, "maincpu") |
| 25 | { } |
| 23 | 26 | |
| 27 | required_device<cpu_device> m_maincpu; |
| 28 | DECLARE_READ8_MEMBER( et3400_keypad_r ); |
| 29 | DECLARE_WRITE8_MEMBER( et3400_display_w ); |
| 24 | 30 | }; |
| 25 | 31 | |
| 26 | 32 | |
| 27 | 33 | |
| 28 | | static READ8_HANDLER( et3400_keypad_r ) |
| 34 | |
| 29 | 35 | { |
| 30 | 36 | UINT8 data = 0xff; |
| 31 | 37 | |
| 32 | 38 | if (~offset & 4) |
| 33 | | data &= input_port_read(space->machine, "X2"); |
| 39 | data &= input_port_read( |
| 34 | 40 | if (~offset & 2) |
| 35 | | data &= input_port_read(space->machine, "X1"); |
| 41 | data &= input_port_read( |
| 36 | 42 | if (~offset & 1) |
| 37 | | data &= input_port_read(space->machine, "X0"); |
| 43 | data &= input_port_read( |
| 38 | 44 | |
| 39 | 45 | return data; |
| 40 | 46 | } |
| 41 | 47 | |
| 42 | | static WRITE8_HANDLER( et3400_display_w ) |
| 48 | |
| 43 | 49 | { |
| 44 | 50 | /* This computer sets each segment, one at a time. */ |
| 45 | 51 | |
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| 57 | 63 | } |
| 58 | 64 | |
| 59 | 65 | |
| 60 | | static ADDRESS_MAP_START(et3400_mem, ADDRESS_SPACE_PROGRAM, 8) |
| 66 | static ADDRESS_MAP_START(et3400_mem, ADDRESS_SPACE_PROGRAM, 8, et3400_state) |
| 61 | 67 | ADDRESS_MAP_UNMAP_HIGH |
| 62 | 68 | AM_RANGE( 0x0000, 0x01ff ) AM_RAM |
| 63 | 69 | AM_RANGE( 0xc000, 0xc0ff ) AM_READ(et3400_keypad_r) |