/* TAS 5 REEL system? by Olympic Video Gaming */
#include "emu.h"
#include "cpu/m68000/m68000.h"
class hotstuff_state : public driver_device
{
public:
hotstuff_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_bitmapram(*this, "bitmapram"){ }
required_shared_ptr<UINT16> m_bitmapram;
struct
{
UINT8 index;
}m_ioboard;
DECLARE_READ8_MEMBER(ioboard_status_r);
DECLARE_READ8_MEMBER(ioboard_unk_r);
DECLARE_WRITE8_MEMBER(ioboard_data_w);
DECLARE_WRITE8_MEMBER(ioboard_reg_w);
virtual void video_start();
UINT32 screen_update_hotstuff(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
};
void hotstuff_state::video_start()
{
}
/* the first 0x20 bytes in every 0x200 (each line) of video ram are the colour data, providing a palette of 16 RGB444 colours for that line */
UINT32 hotstuff_state::screen_update_hotstuff(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
int count, y,yyy,x,xxx;
UINT16 row_palette_data[0x10];
rgb_t row_palette_data_as_rgb32_pen_data[0x10];
yyy=512;xxx=512*2;
count = 0;
for (y = 0; y < yyy; y++)
{
// the current palette is stored in the first 0x20 bytes of each row!
int p;
for (p=0;p<0x10;p++)
{
row_palette_data[p] = m_bitmapram[count+p];
row_palette_data_as_rgb32_pen_data[p] = MAKE_RGB( (row_palette_data[p] & 0x0f00)>>4, (row_palette_data[p] & 0x00f0)>>0, (row_palette_data[p] & 0x000f)<<4 );
}
for(x = 0; x < xxx; x++)
{
{
bitmap.pix32(y, x) = row_palette_data_as_rgb32_pen_data[(m_bitmapram[count] &0xf000)>>12];
x++;
bitmap.pix32(y, x) = row_palette_data_as_rgb32_pen_data[(m_bitmapram[count] &0x0f00)>>8];
x++;
bitmap.pix32(y, x) = row_palette_data_as_rgb32_pen_data[(m_bitmapram[count] &0x00f0)>>4];
x++;
bitmap.pix32(y, x) = row_palette_data_as_rgb32_pen_data[(m_bitmapram[count] &0x000f)>>0];
}
count++;
}
}
return 0;
}
/* TODO: identify this ... */
READ8_MEMBER(hotstuff_state::ioboard_status_r)
{
UINT8 res;
printf("STATUS R\n");
switch(m_ioboard.index)
{
case 0x0c: res = 0x80|0x10; break;
default: res = 0; break;//machine().rand(); break;
}
return res;
}
READ8_MEMBER(hotstuff_state::ioboard_unk_r)
{
printf("UNK R\n");
return 0xff;
}
WRITE8_MEMBER(hotstuff_state::ioboard_data_w)
{
printf("DATA %02x\n",data);
}
WRITE8_MEMBER(hotstuff_state::ioboard_reg_w)
{
m_ioboard.index = data;
printf("REG %02x\n",data);
}
static ADDRESS_MAP_START( hotstuff_map, AS_PROGRAM, 16, hotstuff_state )
AM_RANGE(0x000000, 0x07ffff) AM_ROM
AM_RANGE(0x080000, 0x0fffff) AM_NOP //ROM AM_REGION("data", 0)
AM_RANGE(0x400000, 0x40ffff) AM_RAM
AM_RANGE(0x680000, 0x680001) AM_READWRITE8(ioboard_status_r,ioboard_data_w,0xff00)
AM_RANGE(0x680000, 0x680001) AM_READWRITE8(ioboard_unk_r,ioboard_reg_w,0x00ff)
AM_RANGE(0x980000, 0x9bffff) AM_RAM AM_SHARE("bitmapram")
ADDRESS_MAP_END
static INPUT_PORTS_START( hotstuff )
INPUT_PORTS_END
static MACHINE_CONFIG_START( hotstuff, hotstuff_state )
MCFG_CPU_ADD("maincpu", M68000, 16000000)
MCFG_CPU_PROGRAM_MAP(hotstuff_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", hotstuff_state, irq1_line_hold)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(128*8, 64*8)
MCFG_SCREEN_VISIBLE_AREA((0x10*4)+8, 101*8-1, 0*8, 33*8-1)
MCFG_SCREEN_UPDATE_DRIVER(hotstuff_state, screen_update_hotstuff)
MCFG_PALETTE_LENGTH(0x200)
MACHINE_CONFIG_END
ROM_START( hotstuff )
ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 Code */
ROM_LOAD16_WORD_SWAP( "hot stuff game u6 (68000).bin", 0x00000, 0x80000, CRC(65f6a72f) SHA1(3a6d489ec3bf351018e279605d42f10b0a2c61b1) )
ROM_REGION( 0x80000, "data", 0 ) /* 68000 Data? */
ROM_LOAD16_WORD_SWAP( "hot stuff symbol u8 (68000).bin", 0x00000, 0x80000, CRC(f154a157) SHA1(92ae0fb977e2dcc0377487d768f95c6e447e990b) )
ROM_END
GAME( ????, hotstuff, 0, hotstuff, hotstuff, driver_device, 0, ROT0, "Olympic Video Gaming", "Olympic Hot Stuff (TAS 5 Reel System)", GAME_NOT_WORKING | GAME_NO_SOUND )