trunk/src/mame/drivers/stuntair.c
| r22894 | r22895 | |
|---|
| 87 | 87 | m_sprram(*this, "sprram") |
| 88 | 88 | { |
| 89 | 89 | m_bg_xscroll = 0; |
| 90 | m_nmienable = 0; |
| 91 | m_spritebank0 = 0; |
| 92 | m_spritebank1 = 0; |
| 90 | 93 | } |
| 91 | 94 | |
| 92 | 95 | required_device<cpu_device> m_maincpu; |
| r22894 | r22895 | |
|---|
| 100 | 103 | tilemap_t *m_bg_tilemap; |
| 101 | 104 | |
| 102 | 105 | UINT8 m_bg_xscroll; |
| 106 | UINT8 m_nmienable; |
| 107 | UINT8 m_spritebank0; |
| 108 | UINT8 m_spritebank1; |
| 103 | 109 | |
| 104 | 110 | DECLARE_WRITE8_MEMBER(stuntair_fgram_w); |
| 105 | 111 | TILE_GET_INFO_MEMBER(get_stuntair_fg_tile_info); |
| r22894 | r22895 | |
|---|
| 110 | 116 | |
| 111 | 117 | DECLARE_WRITE8_MEMBER(stuntair_bgxscroll_w); |
| 112 | 118 | |
| 113 | | DECLARE_READ8_MEMBER(stuntair_unk_r) |
| 119 | DECLARE_WRITE8_MEMBER(stuntair_unk_w) |
| 114 | 120 | { |
| 115 | | return 0xff; |
| 121 | printf("unk %02x\n", data); |
| 116 | 122 | } |
| 117 | 123 | |
| 124 | DECLARE_WRITE8_MEMBER(stuntair_f001_w) |
| 125 | { |
| 126 | m_nmienable = data&0x01; // guess |
| 127 | |
| 128 | if (data&~0x01) printf("stuntair_f001_w %02x\n", data); |
| 129 | } |
| 130 | |
| 131 | DECLARE_WRITE8_MEMBER(stuntair_spritebank0_w) |
| 132 | { |
| 133 | m_spritebank0 = data&0x01; |
| 134 | |
| 135 | if (data&~0x01) printf("stuntair_spritebank0_w %02x\n", data); |
| 136 | } |
| 137 | |
| 138 | DECLARE_WRITE8_MEMBER(stuntair_spritebank1_w) |
| 139 | { |
| 140 | m_spritebank1 = data&0x01; |
| 141 | |
| 142 | if (data&~0x01) printf("stuntair_spritebank1_w %02x\n", data); |
| 143 | } |
| 144 | |
| 145 | DECLARE_WRITE8_MEMBER(stuntair_coin_w) |
| 146 | { |
| 147 | // lower 2 bits are coin counters |
| 148 | if (data&~0x3) printf("stuntair_coin_w %02x\n", data); |
| 149 | } |
| 150 | |
| 151 | |
| 118 | 152 | INTERRUPT_GEN_MEMBER(stuntair_irq); |
| 119 | 153 | |
| 120 | 154 | |
| r22894 | r22895 | |
|---|
| 132 | 166 | AM_RANGE(0xd000, 0xd3ff) AM_RAM_WRITE(stuntair_bgram_w) AM_SHARE("bgram") // bg |
| 133 | 167 | AM_RANGE(0xd800, 0xdfff) AM_RAM AM_SHARE("sprram") |
| 134 | 168 | |
| 135 | | AM_RANGE(0xe000, 0xe000) AM_READ_PORT("DSWB") |
| 136 | | AM_RANGE(0xe800, 0xe800 )AM_READ_PORT("DSWA") AM_WRITE(stuntair_bgxscroll_w) |
| 169 | AM_RANGE(0xe000, 0xe000) AM_READ_PORT("DSWB") AM_WRITE(stuntair_coin_w) |
| 170 | AM_RANGE(0xe800, 0xe800) AM_READ_PORT("DSWA") AM_WRITE(stuntair_bgxscroll_w) |
| 137 | 171 | |
| 138 | 172 | AM_RANGE(0xf000, 0xf000) AM_READ_PORT("IN2") |
| 139 | | AM_RANGE(0xf001, 0xf001) AM_WRITENOP // might be nmi enable |
| 173 | AM_RANGE(0xf001, 0xf001) AM_WRITE(stuntair_f001_w) // might be nmi enable |
| 140 | 174 | AM_RANGE(0xf002, 0xf002) AM_READ_PORT("IN3") |
| 141 | | AM_RANGE(0xf003, 0xf003) AM_READ_PORT("IN4") |
| 175 | AM_RANGE(0xf003, 0xf003) AM_READ_PORT("IN4") AM_WRITE(stuntair_spritebank1_w) |
| 142 | 176 | // AM_RANGE(0xf004, 0xf004) AM_WRITENOP |
| 143 | | // AM_RANGE(0xf005, 0xf005) AM_WRITENOP |
| 177 | AM_RANGE(0xf005, 0xf005) AM_WRITE(stuntair_spritebank0_w) |
| 144 | 178 | // AM_RANGE(0xf006, 0xf006) AM_WRITENOP |
| 145 | 179 | // AM_RANGE(0xf007, 0xf007) AM_WRITENOP |
| 146 | 180 | |
| r22894 | r22895 | |
|---|
| 388 | 422 | |
| 389 | 423 | m_bg_tilemap->draw(bitmap, cliprect, 0, 0); |
| 390 | 424 | m_fg_tilemap->draw(bitmap, cliprect, 0, TILEMAP_PIXEL_LAYER0); |
| 391 | | m_fg_tilemap->draw(bitmap, cliprect, 0, TILEMAP_PIXEL_LAYER1|TILEMAP_DRAW_OPAQUE); |
| 392 | 425 | |
| 393 | 426 | gfx_element *gfx = machine().gfx[2]; |
| 394 | 427 | |
| 395 | | for (int i=0;i<0x200;i+=8) |
| 428 | /* there seem to be 2 spritelists with something else (fixed values) between them.. is that significant? */ |
| 429 | for (int i=0;i<0x400/16;i++) |
| 396 | 430 | { |
| 397 | | int x = m_sprram[i+5]; |
| 398 | | int y = 240-m_sprram[i+0]; |
| 399 | | |
| 400 | | drawgfx_transpen(bitmap,cliprect,gfx,2,0,0,0,x,y,0); |
| 431 | int x = m_sprram[(i*16)+5]; |
| 432 | int y = 240-m_sprram[(i*16)+0]; |
| 433 | |
| 434 | int tile; |
| 435 | |
| 436 | tile = m_sprram[(i*16)+1] & 0x3f; |
| 437 | |
| 438 | if (m_spritebank1) tile |= 0x40; |
| 439 | if (m_spritebank0) tile |= 0x80; |
| 440 | |
| 441 | int flipx = (m_sprram[(i*16)+1] & 0x80)>>7; // used |
| 442 | int flipy = (m_sprram[(i*16)+1] & 0x40)>>6; // guessed |
| 443 | |
| 444 | |
| 445 | drawgfx_transpen(bitmap,cliprect,gfx,tile,0,flipx,flipy,x,y,0); |
| 401 | 446 | } |
| 402 | 447 | |
| 448 | m_fg_tilemap->draw(bitmap, cliprect, 0, TILEMAP_PIXEL_LAYER1|TILEMAP_DRAW_OPAQUE); |
| 449 | |
| 450 | |
| 403 | 451 | return 0; |
| 404 | 452 | } |
| 405 | 453 | |
| 406 | 454 | INTERRUPT_GEN_MEMBER(stuntair_state::stuntair_irq) |
| 407 | 455 | { |
| 408 | | // if(m_nmi_enable) |
| 456 | if(m_nmienable) |
| 409 | 457 | m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); |
| 410 | 458 | } |
| 411 | 459 | |