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Diffstat (limited to 'src/mame/drivers/spg29x.cpp')
-rw-r--r--src/mame/drivers/spg29x.cpp728
1 files changed, 728 insertions, 0 deletions
diff --git a/src/mame/drivers/spg29x.cpp b/src/mame/drivers/spg29x.cpp
new file mode 100644
index 00000000000..4c821b3030f
--- /dev/null
+++ b/src/mame/drivers/spg29x.cpp
@@ -0,0 +1,728 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ Mattel HyperScan
+
+ 08/17/2013 Skeleton driver by Sandro Ronco
+
+ SPG290 Interrupt:
+
+ Vector Source
+ 63 SPU FIQ
+ 62 SPU Beatirq
+ 61 SPU Envirq
+ 60 CD servo
+ 59 ADC gain overflow / ADC recorder / FIFO overflow
+ 58 General purpose ADC
+ 57 Timer base
+ 56 Timer
+ 55 TV vblanking start
+ 54 LCD vblanking start
+ 53 PPU vblanking start
+ 52 TV
+ 51 Sensor frame end
+ 50 Sensor coordinate hit
+ 49 Sensor motion frame end
+ 48 Sensor capture done + sensor debug IRQ
+ 47 TV coordinate hit
+ 46 PPU coordinate hit
+ 45 USB host+device
+ 44 SIO
+ 43 SPI
+ 42 Uart (IrDA)
+ 41 NAND
+ 40 SD
+ 39 I2C master
+ 38 I2S slave
+ 37 APBDMA CH1
+ 36 APBDMA CH2
+ 35 LDM_DMA
+ 34 BLN_DMA
+ 33 APBDMA CH3
+ 32 APBDMA CH4
+ 31 Alarm + HMS
+ 30 MP4
+ 29 C3 (ECC module)
+ 28 GPIO
+ 27 Bufctl (for debug) + TV/PPU vblanking end (for debug)
+ 26 RESERVED1
+ 25 RESERVED2
+ 24 RESERVED3
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/score/score.h"
+#include "screen.h"
+#include "softlist_dev.h"
+
+#define LOG_SPG290_REGISTER_ACCESS (1)
+
+
+
+class spg29x_game_state : public driver_device
+{
+public:
+ spg29x_game_state(const machine_config &mconfig, device_type type, const char *tag) :
+ driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu")
+ { }
+
+ void hyperscan(machine_config &config);
+
+private:
+ required_device<score7_cpu_device> m_maincpu;
+
+ virtual void machine_start() override;
+ virtual void machine_reset() override;
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
+
+ uint32_t spg290_screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ DECLARE_READ32_MEMBER(spg290_regs_r);
+ DECLARE_WRITE32_MEMBER(spg290_regs_w);
+ void spg290_timers_update();
+ DECLARE_WRITE_LINE_MEMBER(spg290_vblank_irq);
+ inline uint32_t spg290_read_mem(uint32_t offset);
+ inline void spg290_write_mem(uint32_t offset, uint32_t data);
+ void spg290_argb1555(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint16_t posy, uint16_t posx, uint16_t argb);
+ void spg290_rgb565(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint16_t posy, uint16_t posx, uint16_t rgb, uint32_t transrgb);
+ void spg290_blit_sprite(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint32_t control, uint32_t attribute, uint32_t *palettes, uint32_t buf_start);
+ void spg290_blit_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint32_t control, uint32_t attribute, int posy, int posx, uint32_t nptr, uint32_t buf_start, uint32_t transrgb);
+ void spg290_blit_character(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint32_t control, uint32_t attribute, int posy, int posx, uint32_t nptr, uint32_t buf_start, uint32_t transrgb);
+
+ void spg290_mem(address_map &map);
+
+ static const device_timer_id TIMER_SPG290 = 0;
+ static const device_timer_id TIMER_I2C = 1;
+
+ struct spg290_miu
+ {
+ uint32_t status;
+ };
+
+ struct spg290_ppu
+ {
+ uint32_t control;
+ uint32_t irq_control;
+ uint32_t irq_status;
+ uint32_t sprite_max;
+ uint32_t sprite_buf_start;
+ uint32_t frame_buff[3];
+ uint32_t palettes[0x200];
+ uint32_t tx_hoffset[0x200];
+ uint32_t tx_hcomp[0x200];
+ uint32_t transrgb;
+
+ struct ppu_spite
+ {
+ uint32_t control;
+ uint32_t attribute;
+ } sprites[0x200];
+
+ struct ppu_tx
+ {
+ uint32_t control;
+ uint32_t attribute;
+ uint32_t posx;
+ uint32_t posy;
+ uint32_t nptr;
+ uint32_t buf_start[3];
+ } txs[3];
+ };
+
+ struct spg290_timer
+ {
+ uint32_t control;
+ uint32_t control2;
+ uint16_t preload;
+ uint16_t counter;
+ };
+
+ struct spg290_i2c
+ {
+ uint32_t config;
+ uint32_t irq_control;
+ uint32_t clock;
+ uint8_t count;
+ uint32_t id;
+ uint32_t port_addr;
+ uint32_t wdata;
+ uint32_t rdata;
+ };
+
+ spg290_miu m_miu;
+ spg290_ppu m_ppu;
+ spg290_timer m_timers[6];
+ spg290_i2c m_i2c;
+ emu_timer * m_update_timer;
+ emu_timer * m_i2c_timer;
+
+
+};
+
+class spg29x_nand_game_state : public spg29x_game_state
+{
+public:
+ spg29x_nand_game_state(const machine_config& mconfig, device_type type, const char* tag) :
+ spg29x_game_state(mconfig, type, tag)
+ { }
+
+ void nand_init(int blocksize, int blocksize_stripped);
+ void nand_init210();
+
+private:
+ std::vector<uint8_t> m_strippedrom;
+};
+
+
+
+#if LOG_SPG290_REGISTER_ACCESS
+static void log_spg290_regs(device_t *device,uint8_t module, uint16_t reg, uint32_t mem_mask, bool write, uint32_t data=0)
+{
+ static const char *const modules_name[] =
+ {
+ "CSI", "PPU", "JPG", "TV", "LCD", "SPU", "CD", "MIU", "APBDMA", "BUFCTL","IRQCTL", "GPUBUF", "LDMDMA",
+ "BLNDMA", "TPGBUF", "AHBDEC", "GPIO", "SPI", "SIO", "I2C", "I2S", "UART", "TIMERS/RTC", "WDOG", "SD",
+ "FLASH", "ADC", "USB device", "USB host", "Reserved", "Reserved", "Reserved", "SFTCFG", "CKG", "MP4",
+ "MIU2", "ECC"
+ };
+
+ if (module < 0x25)
+ device->logerror("SPG: %-10s", modules_name[module]);
+ else
+ device->logerror("SPG: mod 0x%02x ", module);
+
+ if (!write)
+ device->logerror(" R 0x%04x", reg);
+ else
+ device->logerror(" W 0x%04x = 0x%08x", reg, data);
+
+ if (mem_mask != 0xffffffffu)
+ device->logerror(" (0x%08x)\n", mem_mask);
+ else
+ device->logerror("\n");
+}
+#endif
+
+
+READ32_MEMBER(spg29x_game_state::spg290_regs_r)
+{
+ uint32_t addr = offset << 2;
+ uint32_t data = 0;
+
+ if (addr == 0x010000) // PPU Control
+ {
+ data = m_ppu.control;
+ }
+ else if (addr == 0x010084) // PPU IRQ Status
+ {
+ data = m_ppu.irq_status;
+ }
+ if (addr == 0x07006c) // MIU Status
+ {
+ data = m_miu.status;
+ }
+ else if ((addr & 0xff0fff) == 0x160000) // Timer X Status
+ {
+ int idx = (offset>>10) & 0x0f;
+ data = m_timers[idx].control;
+ }
+ else if(addr == 0x130024) // I2C interrupt
+ {
+ data = m_i2c.irq_control;
+ }
+ else if(addr == 0x130034) // I2C write data
+ {
+ data = m_i2c.wdata;
+ }
+ else if(addr == 0x130038) // I2C data data
+ {
+ data = m_i2c.rdata;
+ }
+
+#if LOG_SPG290_REGISTER_ACCESS
+ //else
+ {
+ if (!machine().side_effects_disabled())
+ log_spg290_regs(this,(offset >> 14) & 0xff, (offset<<2) & 0xffff, mem_mask, false);
+ }
+#endif
+
+ return data;
+}
+
+WRITE32_MEMBER(spg29x_game_state::spg290_regs_w)
+{
+ uint32_t addr = offset << 2;
+
+ if (addr == 0x010000) // PPU Control
+ {
+ COMBINE_DATA(&m_ppu.control);
+ }
+ else if (addr == 0x010008) // PPU Max Sprites
+ {
+ COMBINE_DATA(&m_ppu.sprite_max);
+ }
+ else if (addr == 0x010010) // PPU Max Sprites
+ {
+ COMBINE_DATA(&m_ppu.transrgb);
+ }
+ else if (addr == 0x0100d0) // Sprites buffer start
+ {
+ COMBINE_DATA(&m_ppu.sprite_buf_start);
+ }
+ else if (addr == 0x010020 || addr == 0x01003c || addr == 0x010058) // Text Layers x pos
+ {
+ int idx = (((offset>>3) & 3) | ((offset>>4) & 1)) - 1;
+ COMBINE_DATA(&m_ppu.txs[idx].posx);
+ }
+ else if (addr == 0x010024 || addr == 0x010040 || addr == 0x01005c) // Text Layers y pos
+ {
+ int idx = (((offset>>3) & 3) | ((offset>>4) & 1)) - 1;
+ COMBINE_DATA(&m_ppu.txs[idx].posy);
+ }
+ else if (addr == 0x010028 || addr == 0x010044 || addr == 0x010060) // Text Layers attribute
+ {
+ int idx = ((offset>>3) & 3) - 1;
+ COMBINE_DATA(&m_ppu.txs[idx].attribute);
+ }
+ else if (addr == 0x01002c || addr == 0x010048 || addr == 0x010064) // Text Layers control
+ {
+ int idx = ((offset>>3) & 3) - 1;
+ COMBINE_DATA(&m_ppu.txs[idx].control);
+ }
+ else if (addr == 0x010030 || addr == 0x01004c || addr == 0x010068) // Text Layers number ptr
+ {
+ int idx = ((offset>>3) & 3) - 1;
+ COMBINE_DATA(&m_ppu.txs[idx].nptr);
+ }
+ else if (addr == 0x010080) // PPU IRQ Control
+ {
+ COMBINE_DATA(&m_ppu.irq_control);
+ }
+ else if (addr == 0x010084) // PPU IRQ ack
+ {
+ if (ACCESSING_BITS_0_7)
+ m_ppu.irq_status &= ~data;
+ }
+ else if (addr >= 0x0100a0 && addr <= 0x0100a8) // Tx1 buffer start
+ {
+ COMBINE_DATA(&m_ppu.txs[0].buf_start[offset & 3]);
+ }
+ else if (addr >= 0x0100ac && addr <= 0x0100b4) // Tx2 buffer start
+ {
+ COMBINE_DATA(&m_ppu.txs[1].buf_start[(offset+1) & 3]);
+ }
+ else if (addr >= 0x0100b8 && addr <= 0x0100c0) // Tx3 buffer starts
+ {
+ COMBINE_DATA(&m_ppu.txs[2].buf_start[(offset+2) & 3]);
+ }
+ else if ((addr & 0xfff000) == 0x011000) // Palettes
+ {
+ COMBINE_DATA(&m_ppu.palettes[offset & 0x01ff]);
+ }
+ else if ((addr & 0xfff000) == 0x012000) // Tx horizontal offset
+ {
+ COMBINE_DATA(&m_ppu.tx_hoffset[offset & 0x01ff]);
+ }
+ else if ((addr & 0xfff000) == 0x013000) // Tx horizontal compression
+ {
+ COMBINE_DATA(&m_ppu.tx_hcomp[offset & 0x01ff]);
+ }
+ else if ((addr & 0xfff000) == 0x014000) // Sprite Control Registers
+ {
+ int idx = (offset>>1) & 0x1ff;
+ if (offset & 1)
+ COMBINE_DATA(&m_ppu.sprites[idx].attribute);
+ else
+ COMBINE_DATA(&m_ppu.sprites[idx].control);
+ }
+ else if (addr == 0x07005c) // MIU Status
+ {
+ COMBINE_DATA(&m_miu.status);
+ }
+ else if ((addr & 0xff0fff) == 0x160000) // Timer X Control 1
+ {
+ int idx = (offset>>10) & 0x07;
+ COMBINE_DATA(&m_timers[idx].control);
+
+ if (ACCESSING_BITS_24_31)
+ m_timers[idx].control &= ~(data & 0x04000000); // Timers IRQ ack
+ }
+ else if ((addr & 0xff0fff) == 0x160004) // Timer X Control 2
+ {
+ int idx = (offset>>10) & 0x07;
+ COMBINE_DATA(&m_timers[idx].control2);
+ }
+ else if ((addr & 0xff0fff) == 0x160008) // Timer X Preload
+ {
+ int idx = (offset>>10) & 0x07;
+ COMBINE_DATA(&m_timers[idx].preload);
+ }
+ else if (addr == 0x2100e4) // Timer Source Clock Selection
+ {
+ const auto timers_clk = XTAL(27'000'000) / ((data & 0xff) + 1);
+ m_update_timer->adjust(attotime::from_hz(timers_clk), 0, attotime::from_hz(timers_clk));
+ }
+ else if(addr == 0x130020) // I2C configuration
+ {
+ COMBINE_DATA(&m_i2c.config);
+ }
+ else if(addr == 0x130024) // I2C interrupt
+ {
+ COMBINE_DATA(&m_i2c.irq_control);
+
+ if (ACCESSING_BITS_0_7)
+ m_i2c.irq_control &= ~(data & 0x00000001); // I2C IRQ ack
+ }
+ else if(addr == 0x130028) // I2C clock setting
+ {
+ COMBINE_DATA(&m_i2c.clock);
+ const auto i2c_clk = XTAL(27'000'000) / ((m_i2c.clock & 0x3ff) + 1);
+ m_i2c_timer->adjust(attotime::from_hz(i2c_clk), 0, attotime::from_hz(i2c_clk));
+ }
+ else if(addr == 0x13002c) // I2C ID
+ {
+ COMBINE_DATA(&m_i2c.id);
+ }
+ else if(addr == 0x130030) // I2C port address
+ {
+ COMBINE_DATA(&m_i2c.port_addr);
+ }
+ else if(addr == 0x130034) // I2C write data
+ {
+ COMBINE_DATA(&m_i2c.wdata);
+ }
+ else if(addr == 0x130038) // I2C data data
+ {
+ COMBINE_DATA(&m_i2c.rdata);
+ }
+ else if(addr == 0x150000) // UART data
+ {
+ if (ACCESSING_BITS_0_7)
+ printf("%c", data & 0xff);
+ }
+
+#if LOG_SPG290_REGISTER_ACCESS
+ //else
+ {
+ if (!machine().side_effects_disabled())
+ log_spg290_regs(this,(offset >> 14) & 0xff, (offset<<2) & 0xffff, mem_mask, true, data);
+ }
+#endif
+}
+
+inline uint32_t spg29x_game_state::spg290_read_mem(uint32_t offset)
+{
+ return m_maincpu->space(0).read_dword(offset);
+}
+
+inline void spg29x_game_state::spg290_write_mem(uint32_t offset, uint32_t data)
+{
+ return m_maincpu->space(0).write_dword(offset, data);
+}
+
+void spg29x_game_state::spg290_argb1555(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint16_t posy, uint16_t posx, uint16_t argb)
+{
+ if (!(argb & 0x8000) && cliprect.contains(posx, posy))
+ {
+ rgb_t color = rgb_t(pal5bit(argb >> 10), pal5bit(argb >> 5), pal5bit(argb >> 0));
+ bitmap.pix32(posy, posx) = color;
+ }
+}
+
+void spg29x_game_state::spg290_rgb565(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint16_t posy, uint16_t posx, uint16_t rgb, uint32_t transrgb)
+{
+ if ((!(transrgb & 0x10000) || (transrgb & 0xffff) != rgb) && cliprect.contains(posx, posy))
+ {
+ rgb_t color = rgb_t(pal5bit(rgb >> 11), pal6bit(rgb >> 5), pal5bit(rgb >> 0));
+ bitmap.pix32(posy, posx) = color;
+ }
+}
+
+void spg29x_game_state::spg290_blit_sprite(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint32_t control, uint32_t attribute, uint32_t *palettes, uint32_t buf_start)
+{
+ uint32_t sprite_base = buf_start + ((control & 0xffff) << 8);
+ uint16_t sprite_x = (control >> 16) & 0x3ff;
+ uint16_t sprite_y = (attribute >> 16) & 0x3ff;
+ uint8_t sprite_hsize = 8 << ((attribute >> 4) & 0x03);
+ uint8_t sprite_vsize = 8 << ((attribute >> 6) & 0x03);
+ uint8_t bit_pixel = ((attribute & 3) + 1) << 1;
+ uint8_t pixel_word = 32 / bit_pixel;
+ uint8_t word_line = sprite_hsize / pixel_word;
+ uint8_t sprite_flip = (attribute >> 2) & 0x03;
+
+ for (int y=0; y < sprite_vsize; y++)
+ for (int x=0; x < word_line; x++)
+ {
+ uint32_t data = spg290_read_mem(sprite_base + (y * pixel_word + x) * 4);
+
+ for (int b=0; b < pixel_word; b++)
+ {
+ uint16_t pen = ((data >> (b * bit_pixel)) & ((1 << bit_pixel) - 1));
+ uint16_t posx;
+ if (sprite_flip & 0x01)
+ posx = sprite_x + (sprite_hsize - (x * word_line + b));
+ else
+ posx = sprite_x + x * (word_line) + b;
+
+ uint16_t posy;
+ if (sprite_flip & 0x02)
+ posy = sprite_y + (sprite_vsize - y);
+ else
+ posy = sprite_y + y;
+
+ spg290_argb1555(bitmap, cliprect, posy, posx, palettes[pen]);
+ }
+ }
+}
+
+void spg29x_game_state::spg290_blit_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint32_t control, uint32_t attribute, int posy, int posx, uint32_t nptr, uint32_t buf_start, uint32_t transrgb)
+{
+ for (int y=0; y<512; y++)
+ {
+ int line = (control & 0x04) ? 0 : y;
+ uint32_t tx_start = spg290_read_mem(nptr + (posy + line) * 4);
+
+ for (int x=0; x < 1024>>1; x++)
+ {
+ uint32_t data = spg290_read_mem(buf_start + (tx_start + posx) * 2 + x * 4);
+
+ for (int b=0; b < 2; b++)
+ {
+ uint16_t posx = x * 2 + b;
+ uint16_t posy = y;
+ uint16_t pix = (data >> (b*16)) & 0xffff;
+
+ if (control & 0x0080)
+ spg290_argb1555(bitmap, cliprect, posy, posx, pix);
+ if (control & 0x1000)
+ spg290_rgb565(bitmap, cliprect, posy, posx, pix, transrgb);
+ }
+ }
+ }
+}
+
+void spg29x_game_state::spg290_blit_character(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint32_t control, uint32_t attribute, int posy, int posx, uint32_t nptr, uint32_t buf_start, uint32_t transrgb)
+{
+ // TODO
+}
+
+
+uint32_t spg29x_game_state::spg290_screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ if (m_ppu.control & 0x1000)
+ {
+ for (int depth=0; depth<4; depth++)
+ {
+ // draw the bitmap/text layers
+ for (int l=0; l<3; l++)
+ if ((m_ppu.txs[l].control & 0x08) && ((m_ppu.txs[l].attribute >> 13) & 3) == depth)
+ {
+ if (m_ppu.txs[l].control & 0x01)
+ spg290_blit_bitmap(bitmap, cliprect, m_ppu.txs[l].control, m_ppu.txs[l].attribute, m_ppu.txs[l].posy & 0x1ff, m_ppu.txs[l].posx & 0x1ff, m_ppu.txs[l].nptr, m_ppu.txs[l].buf_start[0], m_ppu.transrgb);
+ else
+ spg290_blit_character(bitmap, cliprect, m_ppu.txs[l].control, m_ppu.txs[l].attribute, m_ppu.txs[l].posy & 0x1ff, m_ppu.txs[l].posx & 0x1ff, m_ppu.txs[l].nptr, m_ppu.txs[l].buf_start[0], m_ppu.transrgb);
+ }
+
+ // draw the sprites
+ for (int i=0; i<=(m_ppu.sprite_max & 0x1ff); i++)
+ {
+ if (((m_ppu.sprites[i].attribute >> 13) & 3) == depth)
+ spg290_blit_sprite(bitmap, cliprect, m_ppu.sprites[i].control, m_ppu.sprites[i].attribute, m_ppu.palettes, m_ppu.sprite_buf_start);
+ }
+ }
+ }
+ else
+ {
+ bitmap.fill(rgb_t::black(), cliprect);
+ }
+
+ return 0;
+}
+
+void spg29x_game_state::spg290_timers_update()
+{
+ for(auto & elem : m_timers)
+ if (elem.control & 0x80000000)
+ {
+ if (((elem.control2 >> 30) & 0x03) == 0x00)
+ {
+ if (elem.counter == 0xffff)
+ {
+ elem.counter = elem.preload;
+ if (elem.control & 0x08000000)
+ {
+ elem.control |= 0x04000000;
+ m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 56); // SCORE7
+ }
+ }
+ else
+ elem.counter++;
+ }
+ else
+ {
+ // TODO: capture, comparison and PWM mode
+
+ }
+ }
+}
+
+WRITE_LINE_MEMBER(spg29x_game_state::spg290_vblank_irq)
+{
+ if (state && m_ppu.irq_control & 0x01) // VBlanking Start IRQ
+ {
+ m_ppu.irq_status |= 0x01;
+ m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 53); // SCORE7
+ }
+ else if (!state && m_ppu.irq_control & 0x02) // VBlanking End IRQ
+ {
+ m_ppu.irq_status |= 0x02;
+ m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 53); // SCORE7
+ }
+}
+
+
+void spg29x_game_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+ switch (id)
+ {
+ case TIMER_SPG290:
+ spg290_timers_update();
+ break;
+ case TIMER_I2C:
+ if ((m_i2c.config & 0x40) && (m_i2c.config & 0x01))
+ {
+ // TODO: replace with real I2C emulation
+ m_i2c.rdata = 0;
+
+ m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 39); // SCORE7
+ }
+ break;
+ }
+}
+
+void spg29x_game_state::spg290_mem(address_map &map)
+{
+ map.global_mask(0x1fffffff);
+ map(0x00000000, 0x00ffffff).ram().mirror(0x07000000);
+ map(0x08000000, 0x09ffffff).rw(FUNC(spg29x_game_state::spg290_regs_r), FUNC(spg29x_game_state::spg290_regs_w));
+ map(0x0a000000, 0x0a003fff).ram(); // internal SRAM
+ map(0x0b000000, 0x0b007fff).rom().region("spg290", 0); // internal ROM
+ map(0x10000000, 0x100fffff).rom().region("bios", 0).mirror(0x0e000000);
+ map(0x11000000, 0x110fffff).rom().region("bios", 0).mirror(0x0e000000);
+}
+
+/* Input ports */
+static INPUT_PORTS_START( hyperscan )
+INPUT_PORTS_END
+
+
+void spg29x_game_state::machine_start()
+{
+ m_update_timer = timer_alloc(TIMER_SPG290);
+ m_i2c_timer = timer_alloc(TIMER_I2C);
+}
+
+void spg29x_game_state::machine_reset()
+{
+ memset(&m_ppu, 0, sizeof(spg290_ppu));
+ memset(&m_miu, 0, sizeof(spg290_miu));
+ memset(&m_i2c, 0, sizeof(m_i2c));
+ m_i2c_timer->adjust(attotime::never, 0, attotime::never);
+
+ // disable JTAG
+ m_maincpu->set_state_int(SCORE_CR + 29, 0x20000000);
+}
+
+
+void spg29x_game_state::hyperscan(machine_config &config)
+{
+ /* basic machine hardware */
+ SCORE7(config, m_maincpu, XTAL(27'000'000) * 4); // 108MHz S+core 7
+ m_maincpu->set_addrmap(AS_PROGRAM, &spg29x_game_state::spg290_mem);
+
+ SOFTWARE_LIST(config, "cd_list").set_original("hyperscan");
+
+ /* video hardware */
+ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+ screen.set_refresh_hz(50);
+ screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
+ screen.set_screen_update(FUNC(spg29x_game_state::spg290_screen_update));
+ screen.set_size(640, 480);
+ screen.set_visarea(0, 640-1, 0, 480-1);
+ screen.screen_vblank().set(FUNC(spg29x_game_state::spg290_vblank_irq));
+}
+
+
+
+void spg29x_nand_game_state::nand_init(int blocksize, int blocksize_stripped)
+{
+ uint8_t* rom = memregion("nand")->base();
+ int size = memregion("nand")->bytes();
+
+ int numblocks = size / blocksize;
+
+ m_strippedrom.resize(numblocks * blocksize_stripped);
+
+ for (int i = 0; i < numblocks; i++)
+ {
+ const int base = i * blocksize;
+ const int basestripped = i * blocksize_stripped;
+
+ for (int j = 0; j < blocksize_stripped; j++)
+ {
+ m_strippedrom[basestripped + j] = rom[base + j];
+ }
+ }
+
+ // debug to allow for easy use of unidasm.exe
+ if (0)
+ {
+ FILE *fp;
+ char filename[256];
+ sprintf(filename,"stripped_%s", machine().system().name);
+ fp=fopen(filename, "w+b");
+ if (fp)
+ {
+ fwrite(&m_strippedrom[0], blocksize_stripped * numblocks, 1, fp);
+ fclose(fp);
+ }
+ }
+}
+
+void spg29x_nand_game_state::nand_init210()
+{
+ nand_init(0x210, 0x200);
+}
+
+
+/* ROM definition */
+ROM_START( hyprscan )
+ ROM_REGION( 0x100000, "bios", ROMREGION_32BIT | ROMREGION_LE )
+ ROM_LOAD32_DWORD("hyperscan.bin", 0x000000, 0x100000, CRC(ce346a14) SHA1(560cb747e7193e6781d4b8b0bd4d7b45d3d28690))
+
+ ROM_REGION( 0x008000, "spg290", ROMREGION_32BIT | ROMREGION_LE )
+ ROM_LOAD32_DWORD("spg290.bin", 0x000000, 0x008000, NO_DUMP) // 256Kbit SPG290 internal ROM
+ROM_END
+
+ROM_START( jak_bbsf )
+ ROM_REGION( 0x100000, "bios", ROMREGION_32BIT | ROMREGION_LE | ROMREGION_ERASE00 )
+
+ ROM_REGION( 0x4200000, "nand", 0 )
+ ROM_LOAD("bigbucksafari.bin", 0x000000, 0x4200000, CRC(dc5f9bf1) SHA1(27893c396d62f353ced52ef88fd9ade5c051598f) )
+
+ ROM_REGION( 0x008000, "spg290", ROMREGION_32BIT | ROMREGION_LE )
+ ROM_LOAD32_DWORD("internal.rom", 0x000000, 0x008000, NO_DUMP)
+ROM_END
+
+
+/* Driver */
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+COMP( 2006, hyprscan, 0, 0, hyperscan, hyperscan, spg29x_game_state, empty_init, "Mattel", "HyperScan", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+
+COMP( 2009, jak_bbsf, 0, 0, hyperscan, hyperscan, spg29x_nand_game_state, nand_init210, "JAKKS Pacific Inc", "Big Buck Hunter Safari (JAKKS Pacific TV Game)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+
+