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// license:BSD-3-Clause
// copyright-holders:Angelo Salese
/* TAS 5 REEL system? by Olympic Video Gaming */
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "machine/mc146818.h"
#include "machine/z80scc.h"
#include "screen.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"),
m_maincpu(*this, "maincpu"),
m_rtc(*this, "rtc") { }
required_shared_ptr<uint16_t> m_bitmapram;
virtual void video_start() override;
uint32_t screen_update_hotstuff(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
required_device<mc146818_device> m_rtc;
void hotstuff(machine_config &config);
void hotstuff_map(address_map &map);
};
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_t hotstuff_state::screen_update_hotstuff(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
int count, y,yyy,x,xxx;
uint16_t 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] = rgb_t( (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;
}
ADDRESS_MAP_START(hotstuff_state::hotstuff_map)
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(0x600000, 0x600003) AM_DEVREADWRITE8("scc1", z80scc_device, ba_cd_inv_r, ba_cd_inv_w, 0xffff)
AM_RANGE(0x620000, 0x620003) AM_DEVREADWRITE8("scc2", z80scc_device, ba_cd_inv_r, ba_cd_inv_w, 0xffff)
;map(0x680000, 0x680001).lrw8("rtc_rw", [this](address_space &space, offs_t offset, u8 mem_mask){ return m_rtc->read(space, offset^1, mem_mask); }, [this](address_space &space, offs_t offset, u8 data, u8 mem_mask){ m_rtc->write(space, offset^1, data, mem_mask); });
AM_RANGE(0x980000, 0x9bffff) AM_RAM AM_SHARE("bitmapram")
ADDRESS_MAP_END
static INPUT_PORTS_START( hotstuff )
INPUT_PORTS_END
MACHINE_CONFIG_START(hotstuff_state::hotstuff)
MCFG_CPU_ADD("maincpu", M68000, 16000000)
MCFG_CPU_PROGRAM_MAP(hotstuff_map)
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_ADD("palette", 0x200)
MCFG_DEVICE_ADD("scc1", SCC8530N, 4915200)
MCFG_Z80SCC_OUT_INT_CB(INPUTLINE("maincpu", M68K_IRQ_4))
MCFG_DEVICE_ADD("scc2", SCC8530N, 4915200)
MCFG_Z80SCC_OUT_INT_CB(INPUTLINE("maincpu", M68K_IRQ_5))
MCFG_DEVICE_ADD("rtc", MC146818, XTAL(32'768))
MCFG_MC146818_IRQ_HANDLER(INPUTLINE("maincpu", M68K_IRQ_1))
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, hotstuff_state, 0, ROT0, "Olympic Video Gaming", "Olympic Hot Stuff (TAS 5 Reel System)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
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