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Various MCD fixed from Haze, don't bother

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This commit is contained in:
Angelo Salese 2011-02-16 19:17:51 +00:00
parent da71dbe23c
commit 5333d4d172
1 changed files with 41 additions and 6 deletions
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47
src/mame/machine/megadriv.c
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@ -5232,8 +5232,27 @@ static READ16_HANDLER( segacd_main_dataram_part1_r )
}
else
{
printf("Unspported: segacd_main_dataram_part1_r (Cell rearranged RAM) in mode 1\n");
return 0x0000;
// converts data stored in bitmap format (in dataram) to be read out as tiles (for dma->vram purposes)
// used by Heart of the Alien
if(offset<0x30000/2) /* 0x20000 - 0x2ffff */ // 512x256 bitmap -> tiles
offset = BITSWAP24(offset,23,22,21,20,19,18,17,16,15,8,7,6,5,4,3,2,1,14,13,12,11,10,9,0);
else if(offset<0x38000/2) /* 0x30000 - 0x37fff */ // 512x128 bitmap -> tiles
offset = BITSWAP24(offset,23,22,21,20,19,18,17,16,15,14,7,6,5,4,3,2,1,13,12,11,10,9,8,0);
else if(offset<0x3c000/2) /* 0x38000 - 0x3bfff */ // 512x64 bitmap -> tiles
offset = BITSWAP24(offset,23,22,21,20,19,18,17,16,15,14,13,6,5,4,3,2,1,12,11,10,9,8,7,0);
else /* 0x3c000 - 0x3dfff and 0x3e000 - 0x3ffff */ // 512x32 bitmap (x2) -> tiles
offset = BITSWAP24(offset,23,22,21,20,19,18,17,16,15,14,13,12,5,4,3,2,1,11,10,9,8,7,6,0);
// do we care about the ret bit?? HOTA is missing some startup screens...
//if (!segacd_ret)
//{
// return segacd_dataram[offset+0x20000/2];
//}
//else
{
return segacd_dataram[offset+0x00000/2];
}
}
}
@ -5318,6 +5337,10 @@ static TIMER_CALLBACK( segacd_gfx_conversion_timer_callback )
cputag_set_input_line(machine, "segacd_68k", 1, HOLD_LINE);
segacd_conversion_active = 0;
// this ends up as 0 after processing (soniccd bonus stage)
segacd_imagebuffer_vdot_size = 0;
}
@ -5669,6 +5692,9 @@ INLINE UINT8 get_stampmap_16x16_1x1_tile_info_pixel(running_machine* machine, in
const gfx_element *gfx = machine->gfx[tile_region];
tileno %= gfx->total_elements;
if (tileno==0) return 0x00;
const UINT8* srcdata = gfx_element_get_data(gfx, tileno);
return srcdata[((ypos&((1<<tilesize)-1))*(1<<tilesize))+(xpos&((1<<tilesize)-1))];
}
@ -5705,6 +5731,9 @@ INLINE UINT8 get_stampmap_32x32_1x1_tile_info_pixel(running_machine* machine, in
const gfx_element *gfx = machine->gfx[tile_region];
tileno %= gfx->total_elements;
if (tileno==0) return 0x00; // does this apply in this mode?
const UINT8* srcdata = gfx_element_get_data(gfx, tileno);
return srcdata[((ypos&((1<<tilesize)-1))*(1<<tilesize))+(xpos&((1<<tilesize)-1))];
}
@ -5741,6 +5770,9 @@ INLINE UINT8 get_stampmap_16x16_16x16_tile_info_pixel(running_machine* machine,
const gfx_element *gfx = machine->gfx[tile_region];
tileno %= gfx->total_elements;
if (tileno==0) return 0x00; // does this apply in this mode
const UINT8* srcdata = gfx_element_get_data(gfx, tileno);
return srcdata[((ypos&((1<<tilesize)-1))*(1<<tilesize))+(xpos&((1<<tilesize)-1))];
}
@ -5777,6 +5809,9 @@ INLINE UINT8 get_stampmap_32x32_16x16_tile_info_pixel(running_machine* machine,
const gfx_element *gfx = machine->gfx[tile_region];
tileno %= gfx->total_elements;
if (tileno==0) return 0x00;
const UINT8* srcdata = gfx_element_get_data(gfx, tileno);
return srcdata[((ypos&((1<<tilesize)-1))*(1<<tilesize))+(xpos&((1<<tilesize)-1))];
}
@ -5854,18 +5889,18 @@ void segacd_init_main_cpu( running_machine* machine )
machine->gfx[2] = gfx_element_alloc(machine, &sega_16x16_r10_f0_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[3] = gfx_element_alloc(machine, &sega_16x16_r11_f0_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[4] = gfx_element_alloc(machine, &sega_16x16_r00_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[5] = gfx_element_alloc(machine, &sega_16x16_r01_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[5] = gfx_element_alloc(machine, &sega_16x16_r11_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[6] = gfx_element_alloc(machine, &sega_16x16_r10_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[7] = gfx_element_alloc(machine, &sega_16x16_r11_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[7] = gfx_element_alloc(machine, &sega_16x16_r01_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[8] = gfx_element_alloc(machine, &sega_32x32_r00_f0_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[9] = gfx_element_alloc(machine, &sega_32x32_r01_f0_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[10]= gfx_element_alloc(machine, &sega_32x32_r10_f0_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[11]= gfx_element_alloc(machine, &sega_32x32_r11_f0_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[12]= gfx_element_alloc(machine, &sega_32x32_r00_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[13]= gfx_element_alloc(machine, &sega_32x32_r01_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[13]= gfx_element_alloc(machine, &sega_32x32_r11_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[14]= gfx_element_alloc(machine, &sega_32x32_r10_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[15]= gfx_element_alloc(machine, &sega_32x32_r11_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
machine->gfx[15]= gfx_element_alloc(machine, &sega_32x32_r01_f1_layout, (UINT8 *)segacd_dataram, 0, 0);
segacd_stampmap[0] = tilemap_create(machine, get_stampmap_16x16_1x1_tile_info, tilemap_scan_rows, 16, 16, 16, 16);
segacd_stampmap[1] = tilemap_create(machine, get_stampmap_32x32_1x1_tile_info, tilemap_scan_rows, 32, 32, 8, 8);