trunk/src/mame/drivers/rotaryf.c
| r19150 | r19151 | |
|---|
| 24 | 24 | m_maincpu(*this,"maincpu"), |
| 25 | 25 | m_videoram(*this, "videoram"){ } |
| 26 | 26 | |
| 27 | DECLARE_READ8_MEMBER(port29_r); |
| 28 | DECLARE_WRITE8_MEMBER(port28_w); |
| 29 | DECLARE_WRITE8_MEMBER(port30_w); |
| 30 | bool m_flipscreen; |
| 27 | 31 | required_device<cpu_device> m_maincpu; |
| 28 | 32 | required_shared_ptr<UINT8> m_videoram; |
| 29 | 33 | UINT32 screen_update_rotaryf(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); |
| 30 | 34 | TIMER_DEVICE_CALLBACK_MEMBER(rotaryf_interrupt); |
| 31 | 35 | }; |
| 32 | 36 | |
| 37 | READ8_MEMBER( rotaryf_state::port29_r ) |
| 38 | { |
| 39 | UINT8 data = ioport("INPUTS")->read(); |
| 33 | 40 | |
| 41 | if (m_flipscreen) return data; |
| 34 | 42 | |
| 43 | return (data & 0xCD) | ((data & 0x01) << 1) | ((data & 0x0c) << 2); |
| 44 | } |
| 35 | 45 | |
| 46 | WRITE8_MEMBER( rotaryf_state::port28_w ) |
| 47 | { |
| 48 | // sound |
| 49 | } |
| 36 | 50 | |
| 51 | WRITE8_MEMBER( rotaryf_state::port30_w ) |
| 52 | { |
| 53 | /* bit 0 = player 2 is playing */ |
| 37 | 54 | |
| 55 | m_flipscreen = BIT(data, 0) & BIT(ioport("COCKTAIL")->read(), 0); |
| 56 | } |
| 57 | |
| 58 | |
| 59 | |
| 38 | 60 | /************************************* |
| 39 | 61 | * |
| 40 | 62 | * Interrupt generation |
| r19150 | r19151 | |
|---|
| 65 | 87 | UINT32 rotaryf_state::screen_update_rotaryf(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) |
| 66 | 88 | { |
| 67 | 89 | offs_t offs; |
| 90 | pen_t pens[2]; |
| 91 | pens[0] = RGB_BLACK; |
| 92 | pens[1] = RGB_WHITE; |
| 93 | UINT8 i,x,y,data; |
| 68 | 94 | |
| 69 | 95 | for (offs = 0; offs < m_videoram.bytes(); offs++) |
| 70 | 96 | { |
| 71 | | int i; |
| 97 | x = offs << 3; |
| 98 | y = offs >> 5; |
| 99 | data = m_videoram[offs]; |
| 72 | 100 | |
| 73 | | UINT8 x = offs << 3; |
| 74 | | int y = offs >> 5; |
| 75 | | UINT8 data = m_videoram[offs]; |
| 76 | | |
| 77 | 101 | for (i = 0; i < 8; i++) |
| 78 | 102 | { |
| 79 | | pen_t pen = (data & 0x01) ? RGB_WHITE : RGB_BLACK; |
| 80 | | bitmap.pix32(y, x) = pen; |
| 103 | if (m_flipscreen) |
| 104 | bitmap.pix32(255-y, 247-(x|i)) = pens[data & 1]; |
| 105 | else |
| 106 | bitmap.pix32(y, x|i) = pens[data & 1]; |
| 81 | 107 | |
| 82 | | data = data >> 1; |
| 83 | | x = x + 1; |
| 108 | data >>= 1; |
| 84 | 109 | } |
| 85 | 110 | } |
| 86 | 111 | |
| r19150 | r19151 | |
|---|
| 95 | 120 | // AM_RANGE(0x6fff, 0x6fff) AM_READ_LEGACY(random_r) ?? |
| 96 | 121 | AM_RANGE(0x7000, 0x73ff) AM_RAM // clears to 1ff ? |
| 97 | 122 | AM_RANGE(0x8000, 0x9fff) AM_MIRROR(0x4000) AM_RAM AM_SHARE("videoram") |
| 98 | | AM_RANGE(0xa000, 0xa1ff) AM_RAM |
| 123 | AM_RANGE(0xa000, 0xa1ff) AM_RAM /* writes 00, 18, 27, 3C, 7E, FE to A019, A039, A059... A179 */ |
| 99 | 124 | ADDRESS_MAP_END |
| 100 | 125 | |
| 101 | 126 | static ADDRESS_MAP_START( rotaryf_io_map, AS_IO, 8, rotaryf_state ) |
| 102 | | // AM_RANGE(0x00, 0x00) AM_READ_PORT("UNK") |
| 103 | 127 | AM_RANGE(0x21, 0x21) AM_READ_PORT("COIN") |
| 104 | 128 | AM_RANGE(0x26, 0x26) AM_READ_PORT("DSW") |
| 105 | | AM_RANGE(0x29, 0x29) AM_READ_PORT("INPUTS") |
| 129 | AM_RANGE(0x29, 0x29) AM_READ(port29_r) |
| 130 | |
| 131 | AM_RANGE(0x02, 0x02) AM_WRITENOP |
| 132 | AM_RANGE(0x04, 0x04) AM_WRITENOP |
| 133 | AM_RANGE(0x07, 0x07) AM_WRITENOP |
| 134 | AM_RANGE(0x20, 0x20) AM_WRITENOP |
| 135 | AM_RANGE(0x21, 0x21) AM_WRITENOP |
| 136 | AM_RANGE(0x28, 0x28) AM_WRITE(port28_w) |
| 137 | AM_RANGE(0x2a, 0x2a) AM_WRITENOP |
| 138 | AM_RANGE(0x2b, 0x2b) AM_WRITENOP |
| 139 | AM_RANGE(0x30, 0x30) AM_WRITE(port30_w) |
| 106 | 140 | ADDRESS_MAP_END |
| 107 | 141 | |
| 108 | 142 | |
| 109 | 143 | static INPUT_PORTS_START( rotaryf ) |
| 110 | | PORT_START("UNK") |
| 111 | | PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 112 | | PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 113 | | PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 114 | | PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 115 | | PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 116 | | PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 117 | | PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 118 | | PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) |
| 119 | | |
| 120 | 144 | PORT_START("COIN") |
| 121 | 145 | PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) |
| 122 | 146 | |