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dreamchg seems to use a framebuffer ...

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This commit is contained in:
Angelo Salese 2013-03-05 23:43:05 +00:00
parent 2dd8539542
commit 4748825ca9
1 changed files with 93 additions and 14 deletions
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107
src/mess/drivers/casloopy.c
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@ -163,6 +163,8 @@ public:
required_shared_ptr<UINT32> m_bios_rom;
UINT16 *m_paletteram;
UINT8 *m_vram;
UINT8 *m_bitmap_vram;
UINT16 sh7021_regs[0x100];
int m_gfx_index;
DECLARE_DRIVER_INIT(casloopy);
virtual void machine_start();
@ -175,13 +177,17 @@ public:
DECLARE_WRITE16_MEMBER(casloopy_pal_w);
DECLARE_READ8_MEMBER(casloopy_vram_r);
DECLARE_WRITE8_MEMBER(casloopy_vram_w);
DECLARE_READ16_MEMBER(sh7021_r);
DECLARE_WRITE16_MEMBER(sh7021_w);
DECLARE_READ8_MEMBER(casloopy_bitmap_r);
DECLARE_WRITE8_MEMBER(casloopy_bitmap_w);
};
static const gfx_layout casloopy_tile_layout =
{
8,8,
0x400,
0x10000/32,
4,
{ 0, 1, 2, 3 },
{ STEP8(0, 4) },
@ -192,8 +198,9 @@ static const gfx_layout casloopy_tile_layout =
void casloopy_state::video_start()
{
/* TODO: proper sizes */
m_paletteram = auto_alloc_array(machine(), UINT16, 0x1000);
m_vram = auto_alloc_array(machine(), UINT8, 0x4000);
m_paletteram = auto_alloc_array_clear(machine(), UINT16, 0x1000);
m_vram = auto_alloc_array_clear(machine(), UINT8, 0x10000);
m_bitmap_vram = auto_alloc_array_clear(machine(), UINT8, 0x20000);
for (m_gfx_index = 0; m_gfx_index < MAX_GFX_ELEMENTS; m_gfx_index++)
if (machine().gfx[m_gfx_index] == 0)
@ -217,7 +224,6 @@ UINT32 casloopy_state::screen_update_casloopy(screen_device &screen, bitmap_ind1
UINT16 tile = (m_vram[count+1])|(m_vram[count]<<8);
tile &= 0x3ff; //???
tile |= 0x100;
drawgfx_opaque(bitmap,cliprect,gfx,tile,7,0,0,x*8,y*8);
@ -225,6 +231,32 @@ UINT32 casloopy_state::screen_update_casloopy(screen_device &screen, bitmap_ind1
}
}
static int test;
if(machine().input().code_pressed(KEYCODE_Z))
test+=0x100;
if(machine().input().code_pressed(KEYCODE_X))
test-=0x100;
popmessage("%08x",test);
count = test;
for (y=cliprect.min_y;y<cliprect.max_y;y++)
{
for(x=0;x<256;x++)
{
UINT8 pix;
pix = m_bitmap_vram[count];
if(pix)
bitmap.pix16(y, x) = pix;
count++;
}
}
return 0;
}
@ -232,9 +264,12 @@ READ16_MEMBER(casloopy_state::casloopy_vregs_r)
{
if(offset == 4/2)
{
return (machine().primary_screen->vblank() << 8); /*| (machine().primary_screen->vpos() & 0xff);*/
return (machine().primary_screen->vblank() << 8) | (machine().rand() & 0xff); // vblank + vpos?
}
if(offset == 2/2)
return machine().rand();/*(machine().primary_screen->hblank() << 8) | (machine().primary_screen->hpos() & 0xff);*/ // hblank + hpos?
printf("%08x\n",offset*2);
return 0xffff;
@ -242,7 +277,8 @@ READ16_MEMBER(casloopy_state::casloopy_vregs_r)
WRITE16_MEMBER(casloopy_state::casloopy_vregs_w)
{
printf("%08x %08x\n",offset*2,data);
if(offset != 6/2)
printf("%08x %08x\n",offset*2,data);
}
READ16_MEMBER(casloopy_state::casloopy_pal_r)
@ -271,20 +307,61 @@ WRITE8_MEMBER(casloopy_state::casloopy_vram_w)
{
m_vram[offset] = data;
machine().gfx[m_gfx_index]->mark_dirty(offset/256);
machine().gfx[m_gfx_index]->mark_dirty(offset/32);
}
/* TODO: all of this should be internal to the SH core, this is just to check what it enables. */
READ16_MEMBER(casloopy_state::sh7021_r)
{
return sh7021_regs[offset];
}
WRITE16_MEMBER(casloopy_state::sh7021_w)
{
COMBINE_DATA(&sh7021_regs[offset]);
if(offset == 0x4e/2)
{
UINT32 src,dst,size,type;
src = (sh7021_regs[0x40/2]<<16)|(sh7021_regs[0x42/2]&0xffff);
dst = (sh7021_regs[0x44/2]<<16)|(sh7021_regs[0x46/2]&0xffff);
size = (sh7021_regs[0x4a/2]&0xffff);
type = (sh7021_regs[0x4e/2]&0xffff);
printf("%08x %08x %04x %04x\n",src & 0x7ffffff,dst & 0x7ffffff,size,type);
sh7021_regs[0x4e/2]&=0xfffe;
}
// printf("%08x %04x\n",sh7021_regs[offset],0x05ffff00+offset*2);
}
READ8_MEMBER(casloopy_state::casloopy_bitmap_r)
{
return m_bitmap_vram[offset];
}
WRITE8_MEMBER(casloopy_state::casloopy_bitmap_w)
{
m_bitmap_vram[offset] = data;
}
static ADDRESS_MAP_START( casloopy_map, AS_PROGRAM, 32, casloopy_state )
AM_RANGE(0x00000000, 0x00007fff) AM_RAM AM_SHARE("bios_rom")
AM_RANGE(0x01000000, 0x0107ffff) AM_RAM // stack pointer points here
AM_RANGE(0x04040000, 0x04043fff) AM_READWRITE8(casloopy_vram_r,casloopy_vram_w,0xffffffff) // tilemap + PCG
AM_RANGE(0x01000000, 0x0107ffff) AM_RAM AM_SHARE("wram")// stack pointer points here
AM_RANGE(0x04000000, 0x0401ffff) AM_READWRITE8(casloopy_bitmap_r,casloopy_bitmap_w,0xffffffff)
AM_RANGE(0x04040000, 0x0404ffff) AM_READWRITE8(casloopy_vram_r,casloopy_vram_w,0xffffffff) // tilemap + PCG
AM_RANGE(0x04051000, 0x040510ff) AM_READWRITE16(casloopy_pal_r,casloopy_pal_w,0xffffffff)
AM_RANGE(0x04058000, 0x04058007) AM_READWRITE16(casloopy_vregs_r,casloopy_vregs_w,0xffffffff)
AM_RANGE(0x0405b000, 0x0405b00f) AM_RAM // RGB brightness plus scrolling
AM_RANGE(0x05ffff00, 0x05ffffff) AM_READWRITE16(sh7021_r,sh7021_w,0xffffffff)
// AM_RANGE(0x05ffff00, 0x05ffffff) - SH7021 internal i/o
AM_RANGE(0x06000000, 0x061fffff) AM_ROM AM_REGION("rom_cart",0)
AM_RANGE(0x07fff000, 0x07ffffff) AM_RAM
AM_RANGE(0x07000000, 0x070003ff) AM_RAM AM_SHARE("oram")// on-chip RAM, actually at 0xf000000 (1 kb)
AM_RANGE(0x09000000, 0x0907ffff) AM_RAM AM_SHARE("wram")
AM_RANGE(0x0e000000, 0x0e1fffff) AM_ROM AM_REGION("rom_cart",0)
AM_RANGE(0x0f000000, 0x0f0003ff) AM_RAM AM_SHARE("oram")
ADDRESS_MAP_END
#if 0
@ -331,10 +408,12 @@ static MACHINE_CONFIG_START( casloopy, casloopy_state )
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MCFG_SCREEN_RAW_PARAMS(8000000, 444, 0, 256, 263, 0, 256)
// MCFG_SCREEN_REFRESH_RATE(60)
// MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
// MCFG_SCREEN_SIZE(444, 263)
// MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
MCFG_SCREEN_UPDATE_DRIVER(casloopy_state, screen_update_casloopy)
MCFG_PALETTE_LENGTH(512)