trunk/src/mess/drivers/c65.c
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| 30 | 30 | m_maincpu(*this, "maincpu"), |
| 31 | 31 | m_screen(*this, "screen"), |
| 32 | 32 | m_palette(*this, "palette"), |
| 33 | m_workram(*this, "wram"), |
| 33 | 34 | m_palred(*this, "redpal"), |
| 34 | 35 | m_palgreen(*this, "greenpal"), |
| 35 | 36 | m_palblue(*this, "bluepal"), |
| 36 | 37 | m_dmalist(*this, "dmalist"), |
| 37 | | m_cram(*this, "cram") |
| 38 | m_cram(*this, "cram"), |
| 39 | m_gfxdecode(*this, "gfxdecode") |
| 38 | 40 | { } |
| 39 | 41 | |
| 40 | 42 | // devices |
| 41 | 43 | required_device<m4510_device> m_maincpu; |
| 42 | 44 | required_device<screen_device> m_screen; |
| 43 | 45 | required_device<palette_device> m_palette; |
| 46 | required_shared_ptr<UINT8> m_workram; |
| 44 | 47 | required_shared_ptr<UINT8> m_palred; |
| 45 | 48 | required_shared_ptr<UINT8> m_palgreen; |
| 46 | 49 | required_shared_ptr<UINT8> m_palblue; |
| 47 | 50 | required_shared_ptr<UINT8> m_dmalist; |
| 48 | 51 | required_shared_ptr<UINT8> m_cram; |
| 49 | | |
| 52 | required_device<gfxdecode_device> m_gfxdecode; |
| 53 | |
| 50 | 54 | DECLARE_READ8_MEMBER(vic4567_dummy_r); |
| 51 | 55 | DECLARE_WRITE8_MEMBER(vic4567_dummy_w); |
| 52 | 56 | DECLARE_WRITE8_MEMBER(PalRed_w); |
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| 84 | 88 | |
| 85 | 89 | UINT32 c65_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect ) |
| 86 | 90 | { |
| 91 | int y,x; |
| 92 | gfx_element *gfx = m_gfxdecode->gfx(0); |
| 93 | |
| 94 | for(y=0;y<30;y++) |
| 95 | { |
| 96 | for(x=0;x<40;x++) |
| 97 | { |
| 98 | UINT8 tile = m_workram[x+y*40+0x800]; |
| 99 | gfx->opaque(bitmap,cliprect,tile,0,0,0,x*8,y*8); |
| 100 | } |
| 101 | } |
| 102 | |
| 87 | 103 | return 0; |
| 88 | 104 | } |
| 89 | 105 | |
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| 264 | 280 | |
| 265 | 281 | READ8_MEMBER(c65_state::dummy_r) |
| 266 | 282 | { |
| 267 | | return 0xff; |
| 283 | return 0; |
| 268 | 284 | } |
| 269 | 285 | |
| 270 | 286 | static ADDRESS_MAP_START( c65_map, AS_PROGRAM, 8, c65_state ) |
| 271 | | AM_RANGE(0x00000, 0x07fff) AM_RAM // TODO: bank |
| 287 | AM_RANGE(0x00000, 0x07fff) AM_RAM AM_SHARE("wram") // TODO: bank |
| 272 | 288 | AM_RANGE(0x0c800, 0x0cfff) AM_ROM AM_REGION("maincpu", 0xc800) |
| 273 | 289 | AM_RANGE(0x0d000, 0x0d07f) AM_READWRITE(vic4567_dummy_r,vic4567_dummy_w) // 0x0d000, 0x0d07f VIC-4567 |
| 274 | 290 | AM_RANGE(0x0d080, 0x0d081) AM_READ(dummy_r) // 0x0d080, 0x0d09f FDC |
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| 289 | 305 | // 0x0df00, 0x0df** Ext I/O Select 2 (RAM window?) |
| 290 | 306 | AM_RANGE(0x0e000, 0x0ffff) AM_ROM AM_REGION("maincpu",0x0e000) |
| 291 | 307 | AM_RANGE(0x10000, 0x1f7ff) AM_RAM |
| 292 | | AM_RANGE(0x1f800, 0x1ffff) AM_RAM // VRAM |
| 308 | AM_RANGE(0x1f800, 0x1ffff) AM_RAM // VRAM attributes |
| 293 | 309 | AM_RANGE(0x20000, 0x3ffff) AM_ROM AM_REGION("maincpu",0) |
| 294 | 310 | ADDRESS_MAP_END |
| 295 | 311 | |