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https://github.com/holub/mame
synced 2025-04-23 00:39:36 +03:00
Added palette hook
This commit is contained in:
Angelo Salese
parent
4b3f8fe5f9
commit
2cd11f8d36
@ -1,6 +1,3 @@
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//#define USE_FAKE_ROM
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/********************************************************************************************
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Gunpey (c) 2000 Banpresto
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@ -220,6 +217,7 @@ public:
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TIMER_DEVICE_CALLBACK_MEMBER(gunpey_scanline);
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TIMER_CALLBACK_MEMBER(blitter_end);
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void gunpey_irq_check(UINT8 irq_type);
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void flush_pal_data(int x, int y);
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UINT16 m_vram_bank;
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//UINT16 main_vram[0x800][0x800];
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@ -239,6 +237,7 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &b
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int bpp_sel;
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int height;
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int width;
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int color;
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UINT16 vram_bank = m_vram_bank & 0x7fff;
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UINT8 *vram = memregion("vram")->base();
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@ -256,6 +255,7 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &b
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height = (m_wram[count+5] >> 8);
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width = (m_wram[count+5] & 0xff);
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bpp_sel = (m_wram[count+0] & 0x18);
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color = (m_wram[count+0] >> 8);
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x-=0x160;
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y-=0x188;
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@ -263,61 +263,7 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &b
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//UINT32 col = 0xffffff;
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// UINT32 val = (m_wram[count+1] << 16) | ((m_wram[count+2]));
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#ifdef USE_FAKE_ROM
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int letter = -1;
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/*
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-- TEST MODE --
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I/O TEST
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MONITOR TEST
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CG-ROM VIEWER
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CHARACTER CHECK
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SOUND TEST
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*/
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// these are going to be co-ordinates in the bitmap, probably not the ROM, but the one the 'blitter' (gfx unpack device?) creates
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if (val == 0x2080203b) { letter = ' '; }
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if (val == 0x0080203b) { letter = '-'; }
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if (val == 0x4080203b) { letter = '/'; }
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if (val == 0x6080203b) { letter = '0'; }
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if (val == 0x8080403a) { letter = '1'; }
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if (val == 0xa080403a) { letter = '2'; }
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if (val == 0xc080403a) { letter = '3'; }
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if (val == 0xe080403a) { letter = '4'; }
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if (val == 0x0080403b) { letter = '5'; }
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if (val == 0x2080403b) { letter = '6'; }
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if (val == 0x4080403b) { letter = '7'; }
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if (val == 0x6080403b) { letter = '8'; }
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if (val == 0x8080603a) { letter = '9'; }
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if (val == 0x8080803a) { letter = 'A'; }
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if (val == 0xa080803a) { letter = 'B'; }
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if (val == 0xc080803a) { letter = 'C'; }
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if (val == 0xe080803a) { letter = 'D'; }
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if (val == 0x0080803b) { letter = 'E'; }
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if (val == 0x2080803b) { letter = 'F'; }
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if (val == 0x4080803b) { letter = 'G'; }
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if (val == 0x6080803b) { letter = 'H'; }
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if (val == 0x8080a03a) { letter = 'I'; }
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if (val == 0xa080a03a) { letter = 'J'; }
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if (val == 0xc080a03a) { letter = 'K'; }
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if (val == 0xe080a03a) { letter = 'L'; }
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if (val == 0x0080a03b) { letter = 'M'; }
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if (val == 0x2080a03b) { letter = 'N'; }
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if (val == 0x4080a03b) { letter = 'O'; }
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if (val == 0x6080a03b) { letter = 'P'; }
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if (val == 0x8080c03a) { letter = 'Q'; }
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if (val == 0xa080c03a) { letter = 'R'; }
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if (val == 0xc080c03a) { letter = 'S'; }
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if (val == 0xe080c03a) { letter = 'T'; }
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if (val == 0x0080c03b) { letter = 'U'; }
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if (val == 0x2080c03b) { letter = 'V'; }
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if (val == 0x4080c03b) { letter = 'W'; }
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if (val == 0x6080c03b) { letter = 'X'; }
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if (val == 0x8080e03a) { letter = 'Y'; }
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if (val == 0xa080e03a) { letter = 'Z'; }
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#endif
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int xsource = ((m_wram[count+2] & 0x00ff) << 4) | ((m_wram[count+1] & 0xf000) >> 12);
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int ysource = ((m_wram[count+2] & 0xf000) >> 12)| ((m_wram[count+3] & 0x00ff) << 4);
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@ -334,12 +280,6 @@ SOUND TEST
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#ifdef USE_FAKE_ROM
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if (letter != -1)
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drawgfx_opaque(bitmap,cliprect,machine().gfx[1],letter,1,0,0,x,y);
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else
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#endif
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if(bpp_sel == 0x00)
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{
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for(int yi=0;yi<height;yi++)
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@ -353,12 +293,12 @@ SOUND TEST
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pix = (data & 0x0f);
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if(cliprect.contains(x+(xi*2), y+yi))
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bitmap.pix16(y+yi, x+(xi*2)) = pix;
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bitmap.pix16(y+yi, x+(xi*2)) = pix + color*0x10;
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pix = (data & 0xf0)>>4;
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if(cliprect.contains(x+1+(xi*2), y+yi))
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bitmap.pix16(y+yi, x+1+(xi*2)) = pix;
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bitmap.pix16(y+yi, x+1+(xi*2)) = pix + color*0x10;
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}
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}
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}
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@ -366,26 +306,6 @@ SOUND TEST
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}
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}
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#if 0
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for(y=0;y<512;y++)
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{
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for(x=0;x<512;x++)
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{
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UINT32 color;
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int r,g,b;
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color = (blit_buffer[count] & 0xffff);
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b = (color & 0x001f) << 3;
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g = (color & 0x03e0) >> 2;
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r = (color & 0x7c00) >> 7;
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if(cliprect.contains(x, y))
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bitmap.pix32(y, x) = b | (g<<8) | (r<<16);
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count++;
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}
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}
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#endif
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return 0;
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}
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@ -442,6 +362,22 @@ TIMER_CALLBACK_MEMBER(gunpey_state::blitter_end)
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gunpey_irq_check(4);
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}
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void gunpey_state::flush_pal_data(int x, int y)
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{
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if(y < 512 && x < 512)
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{
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UINT8 *vram = memregion("vram")->base();
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int val = (vram[y*0x800+x]) | (vram[y*0x800+x+1]<<8);
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int r,g,b;
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b = (val & 0x001f) >> 0;
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g = (val & 0x03e0) >> 5;
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r = (val & 0x7c00) >> 10;
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palette_set_color(machine(), y*256+x/2, MAKE_RGB(pal5bit(r), pal5bit(g), pal5bit(b)));
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}
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}
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WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
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{
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// UINT16 *blit_buffer = m_blit_buffer;
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@ -493,6 +429,7 @@ WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
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for (int x=0;x<xsize;x++)
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{
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vram[(((dsty+y)&0x7ff)*0x800)+((dstx+x)&0x7ff)] = blit_rom[(((srcy+y)&0x7ff)*0x800)+((srcx+x)&0x7ff)];
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flush_pal_data((dstx+x) & 0x7fe,(dsty+y) & 0x7ff);
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}
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}
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@ -649,6 +586,7 @@ INPUT_PORTS_END
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/* test hack */
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void gunpey_state::palette_init()
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{
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#if 0
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int i,r,g,b,val;
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UINT8 *blit_rom = memregion("blit_data")->base();
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@ -665,7 +603,7 @@ void gunpey_state::palette_init()
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palette_set_color(machine(), i/2, MAKE_RGB(r, g, b));
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}
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#endif
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}
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@ -708,7 +646,6 @@ static GFXLAYOUT_RAW( gunpey, 2048, 1, 2048*8, 2048*8 )
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static GFXDECODE_START( gunpey )
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GFXDECODE_ENTRY( "blit_data", 0, gunpey, 0x0000, 0x1 )
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GFXDECODE_ENTRY( "fakerom", 0x18000, fake_layout, 0x0, 2 )
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//GFXDECODE_ENTRY( "vram", 0, gunpey1024, 0x0000, 0x1 )
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GFXDECODE_ENTRY( "vram", 0, gunpey, 0x0000, 0x1 )
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@ -730,7 +667,7 @@ static MACHINE_CONFIG_START( gunpey, gunpey_state )
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MCFG_SCREEN_RAW_PARAMS(57242400/8, 442, 0, 320, 264, 0, 224) /* just to get ~60 Hz */
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MCFG_SCREEN_UPDATE_DRIVER(gunpey_state, screen_update_gunpey)
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MCFG_PALETTE_LENGTH(0x800)
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MCFG_PALETTE_LENGTH(0x10000)
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MCFG_GFXDECODE(gunpey)
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MCFG_SPEAKER_STANDARD_STEREO("lspeaker","rspeaker")
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@ -762,11 +699,6 @@ ROM_START( gunpey )
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ROM_REGION( 0x400000, "oki", 0 )
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ROM_LOAD( "gp_rom5.622", 0x000000, 0x400000, CRC(f79903e0) SHA1(4fd50b4138e64a48ec1504eb8cd172a229e0e965)) // 1xxxxxxxxxxxxxxxxxxxxx = 0xFF
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ROM_REGION( 0x20000, "fakerom", ROMREGION_ERASEFF )
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#ifdef USE_FAKE_ROM
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ROM_LOAD( "video", 0x00000, 0x20000, CRC(8857ec5a) SHA1(5bed14933af060cb4a1ce6a961c4ca1467a1cbc2) )
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#endif
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ROM_END
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