trunk/src/mame/drivers/2mindril.c
| r31651 | r31652 | |
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| 53 | 53 | /* input-related */ |
| 54 | 54 | UINT16 m_defender_sensor; |
| 55 | 55 | UINT16 m_shutter_sensor; |
| 56 | | UINT16 irq_reg; |
| 56 | UINT16 m_irq_reg; |
| 57 | 57 | |
| 58 | 58 | /* devices */ |
| 59 | 59 | DECLARE_READ16_MEMBER(drill_io_r); |
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| 187 | 187 | |
| 188 | 188 | READ16_MEMBER(_2mindril_state::drill_irq_r) |
| 189 | 189 | { |
| 190 | | return irq_reg; |
| 190 | return m_irq_reg; |
| 191 | 191 | } |
| 192 | 192 | |
| 193 | 193 | WRITE16_MEMBER(_2mindril_state::drill_irq_w) |
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| 198 | 198 | ---- ---- ---- x--- irq lv 4 ack, 0->1 latch |
| 199 | 199 | ---- ---- -??- -??? connected to the other levels? |
| 200 | 200 | */ |
| 201 | | if(((irq_reg & 8) == 0) && data & 8) |
| 201 | if(((m_irq_reg & 8) == 0) && data & 8) |
| 202 | 202 | m_maincpu->set_input_line(4, CLEAR_LINE); |
| 203 | 203 | |
| 204 | | if(((irq_reg & 0x10) == 0) && data & 0x10) |
| 204 | if(((m_irq_reg & 0x10) == 0) && data & 0x10) |
| 205 | 205 | m_maincpu->set_input_line(5, CLEAR_LINE); |
| 206 | 206 | |
| 207 | 207 | if(data & 0xffe7) |
| 208 | 208 | printf("%04x\n",data); |
| 209 | 209 | |
| 210 | | COMBINE_DATA(&irq_reg); |
| 210 | COMBINE_DATA(&m_irq_reg); |
| 211 | 211 | } |
| 212 | 212 | |
| 213 | 213 | static ADDRESS_MAP_START( drill_map, AS_PROGRAM, 16, _2mindril_state ) |
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| 433 | 433 | { |
| 434 | 434 | save_item(NAME(m_defender_sensor)); |
| 435 | 435 | save_item(NAME(m_shutter_sensor)); |
| 436 | save_item(NAME(m_irq_reg)); |
| 436 | 437 | } |
| 437 | 438 | |
| 438 | 439 | MACHINE_RESET_MEMBER(_2mindril_state,drill) |
| 439 | 440 | { |
| 440 | 441 | m_defender_sensor = 0; |
| 441 | 442 | m_shutter_sensor = 0; |
| 442 | | irq_reg = 0; |
| 443 | m_irq_reg = 0; |
| 443 | 444 | } |
| 444 | 445 | |
| 445 | 446 | static MACHINE_CONFIG_START( drill, _2mindril_state ) |
| r31651 | r31652 | |
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| 560 | 561 | tile_decode(); |
| 561 | 562 | } |
| 562 | 563 | |
| 563 | | GAME( 1993, 2mindril, 0, drill, drill, _2mindril_state, drill, ROT0, "Taito", "Two Minute Drill", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS | GAME_SUPPORTS_SAVE | GAME_MECHANICAL) |
| 564 | GAME( 1993, 2mindril, 0, drill, drill, _2mindril_state, drill, ROT0, "Taito", "Two Minute Drill", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS | GAME_MECHANICAL) |