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path: root/src/mame/drivers/bladestl.c
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Diffstat (limited to 'src/mame/drivers/bladestl.c')
-rw-r--r--src/mame/drivers/bladestl.c522
1 files changed, 522 insertions, 0 deletions
diff --git a/src/mame/drivers/bladestl.c b/src/mame/drivers/bladestl.c
new file mode 100644
index 00000000000..f9ac1ceaeb7
--- /dev/null
+++ b/src/mame/drivers/bladestl.c
@@ -0,0 +1,522 @@
+/***************************************************************************
+
+Blades of Steel(GX797) (c) 1987 Konami
+
+Driver by Manuel Abadia <manu@teleline.es>
+
+Interrupts:
+
+ CPU #0 (6309):
+ --------------
+ * IRQ: not used.
+ * FIRQ: generated by VBLANK.
+ * NMI: writes the sound command to the 6809.
+
+ CPU #1 (6809):
+ --------------
+ * IRQ: triggered by the 6309 when a sound command is written.
+ * FIRQ: not used.
+ * NMI: not used.
+
+Notes:
+ * The protection is not fully understood(Konami 051733). The
+ game is playable, but is not 100% accurate.
+ * Missing samples.
+
+***************************************************************************/
+
+#include "driver.h"
+#include "cpu/m6809/m6809.h"
+#include "cpu/hd6309/hd6309.h"
+#include "video/konamiic.h"
+#include "sound/2203intf.h"
+#include "sound/upd7759.h"
+
+/* from video */
+int bladestl_spritebank;
+VIDEO_START( bladestl );
+VIDEO_UPDATE( bladestl );
+PALETTE_INIT( bladestl );
+WRITE8_HANDLER( bladestl_vreg_w );
+
+static INTERRUPT_GEN( bladestl_interrupt )
+{
+ if (cpu_getiloops() == 0){
+ if (K007342_is_INT_enabled())
+ cpunum_set_input_line(0, HD6309_FIRQ_LINE, HOLD_LINE);
+ }
+ else if (cpu_getiloops() % 2){
+ cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE);
+ }
+}
+
+static READ8_HANDLER( trackball_r )
+{
+ static int last[4];
+ int curr,delta;
+
+
+ curr = readinputport(5 + offset);
+ delta = (curr - last[offset]) & 0xff;
+ last[offset] = curr;
+ return (delta & 0x80) | (curr >> 1);
+}
+
+static WRITE8_HANDLER( bladestl_bankswitch_w )
+{
+ UINT8 *RAM = memory_region(REGION_CPU1);
+ int bankaddress;
+
+ /* bits 0 & 1 = coin counters */
+ coin_counter_w(0,data & 0x01);
+ coin_counter_w(1,data & 0x02);
+
+ /* bits 2 & 3 = lamps */
+ set_led_status(0,data & 0x04);
+ set_led_status(1,data & 0x08);
+
+ /* bit 4 = relay (???) */
+
+ /* bits 5-6 = bank number */
+ bankaddress = 0x10000 + ((data & 0x60) >> 5) * 0x2000;
+ memory_set_bankptr(1,&RAM[bankaddress]);
+
+ /* bit 7 = select sprite bank */
+ bladestl_spritebank = (data & 0x80) << 3;
+
+}
+
+static WRITE8_HANDLER( bladestl_sh_irqtrigger_w )
+{
+ soundlatch_w(offset, data);
+ cpunum_set_input_line(1, M6809_IRQ_LINE, HOLD_LINE);
+ //logerror("(sound) write %02x\n", data);
+}
+
+static WRITE8_HANDLER( bladestl_port_B_w ){
+ /* bit 1, 2 unknown */
+ upd7759_set_bank_base(0, ((data & 0x38) >> 3)*0x20000);
+}
+
+static WRITE8_HANDLER( bladestl_speech_ctrl_w ){
+ upd7759_reset_w(0, data & 1);
+ upd7759_start_w(0, data & 2);
+}
+
+static ADDRESS_MAP_START( bladestl_readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x1fff) AM_READ(K007342_r) /* Color RAM + Video RAM */
+ AM_RANGE(0x2000, 0x21ff) AM_READ(K007420_r) /* Sprite RAM */
+ AM_RANGE(0x2200, 0x23ff) AM_READ(K007342_scroll_r) /* Scroll RAM */
+ AM_RANGE(0x2400, 0x245f) AM_READ(paletteram_r) /* Palette */
+ AM_RANGE(0x2e01, 0x2e01) AM_READ(input_port_3_r) /* 1P controls */
+ AM_RANGE(0x2e02, 0x2e02) AM_READ(input_port_4_r) /* 2P controls */
+ AM_RANGE(0x2e03, 0x2e03) AM_READ(input_port_1_r) /* DISPW #2 */
+ AM_RANGE(0x2e40, 0x2e40) AM_READ(input_port_0_r) /* DIPSW #1 */
+ AM_RANGE(0x2e00, 0x2e00) AM_READ(input_port_2_r) /* DIPSW #3, coinsw, startsw */
+ AM_RANGE(0x2f00, 0x2f03) AM_READ(trackball_r) /* Trackballs */
+ AM_RANGE(0x2f80, 0x2f9f) AM_READ(K051733_r) /* Protection: 051733 */
+ AM_RANGE(0x4000, 0x5fff) AM_READ(MRA8_RAM) /* Work RAM */
+ AM_RANGE(0x6000, 0x7fff) AM_READ(MRA8_BANK1) /* banked ROM */
+ AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM) /* ROM */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( bladestl_writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x1fff) AM_WRITE(K007342_w) /* Color RAM + Video RAM */
+ AM_RANGE(0x2000, 0x21ff) AM_WRITE(K007420_w) /* Sprite RAM */
+ AM_RANGE(0x2200, 0x23ff) AM_WRITE(K007342_scroll_w) /* Scroll RAM */
+ AM_RANGE(0x2400, 0x245f) AM_WRITE(paletteram_xBBBBBGGGGGRRRRR_be_w) AM_BASE(&paletteram)/* palette */
+ AM_RANGE(0x2600, 0x2607) AM_WRITE(K007342_vreg_w) /* Video Registers */
+ AM_RANGE(0x2e80, 0x2e80) AM_WRITE(bladestl_sh_irqtrigger_w)/* cause interrupt on audio CPU */
+ AM_RANGE(0x2ec0, 0x2ec0) AM_WRITE(watchdog_reset_w) /* watchdog reset */
+ AM_RANGE(0x2f40, 0x2f40) AM_WRITE(bladestl_bankswitch_w) /* bankswitch control */
+ AM_RANGE(0x2f80, 0x2f9f) AM_WRITE(K051733_w) /* Protection: 051733 */
+ AM_RANGE(0x2fc0, 0x2fc0) AM_WRITE(MWA8_NOP) /* ??? */
+ AM_RANGE(0x4000, 0x5fff) AM_WRITE(MWA8_RAM) /* Work RAM */
+ AM_RANGE(0x6000, 0x7fff) AM_WRITE(MWA8_RAM) /* banked ROM */
+ AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM) /* ROM */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( bladestl_readmem_sound, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x07ff) AM_READ(MRA8_RAM) /* RAM */
+ AM_RANGE(0x1000, 0x1000) AM_READ(YM2203_status_port_0_r) /* YM2203 */
+ AM_RANGE(0x1001, 0x1001) AM_READ(YM2203_read_port_0_r) /* YM2203 */
+ AM_RANGE(0x4000, 0x4000) AM_READ(upd7759_0_busy_r) /* UPD7759 */
+ AM_RANGE(0x6000, 0x6000) AM_READ(soundlatch_r) /* soundlatch_r */
+ AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM) /* ROM */
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( bladestl_writemem_sound, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x07ff) AM_WRITE(MWA8_RAM) /* RAM */
+ AM_RANGE(0x1000, 0x1000) AM_WRITE(YM2203_control_port_0_w)/* YM2203 */
+ AM_RANGE(0x1001, 0x1001) AM_WRITE(YM2203_write_port_0_w) /* YM2203 */
+ AM_RANGE(0x3000, 0x3000) AM_WRITE(bladestl_speech_ctrl_w) /* UPD7759 */
+ AM_RANGE(0x5000, 0x5000) AM_WRITE(MWA8_NOP) /* ??? */
+ AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM) /* ROM */
+ADDRESS_MAP_END
+
+/***************************************************************************
+
+ Input Ports
+
+***************************************************************************/
+
+static INPUT_PORTS_START( bladestl )
+ PORT_START /* DSW #1 */
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_5C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
+ PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_5C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
+ PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
+
+ PORT_START /* DSW #2 */
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x18, 0x18, "Bonus time set" )
+ PORT_DIPSETTING( 0x18, "30 secs" )
+ PORT_DIPSETTING( 0x10, "20 secs" )
+ PORT_DIPSETTING( 0x08, "15 secs" )
+ PORT_DIPSETTING( 0x00, "10 secs" )
+ PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x20, "Difficult" )
+ PORT_DIPSETTING( 0x00, "Very difficult" )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START /* COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Flip_Screen ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START /* PLAYER 1 INPUTS */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
+ PORT_DIPNAME( 0x80, 0x80, "Period time set" )
+ PORT_DIPSETTING( 0x80, "4" )
+ PORT_DIPSETTING( 0x00, "7" )
+
+
+ PORT_START /* PLAYER 2 INPUTS */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ /* Trackball 1P */
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_REVERSE PORT_PLAYER(1)
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_PLAYER(1)
+
+ /* Trackball 2P */
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_REVERSE PORT_PLAYER(2)
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_PLAYER(2)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( bladstle )
+ PORT_START /* DSW #1 */
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_5C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
+ PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_5C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
+ PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
+
+ PORT_START /* DSW #2 */
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x20, "Difficult" )
+ PORT_DIPSETTING( 0x00, "Very difficult" )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START /* COINSW */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Flip_Screen ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
+
+ PORT_START /* PLAYER 1 INPUTS */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START /* PLAYER 2 INPUTS */
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ /* Trackball 1P */
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_REVERSE PORT_PLAYER(1)
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_PLAYER(1)
+
+ /* Trackball 2P */
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_PLAYER(2)
+ PORT_START
+ PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(63) PORT_PLAYER(2)
+INPUT_PORTS_END
+
+
+
+static const gfx_layout charlayout =
+{
+ 8,8, /* 8 x 8 characters */
+ 0x40000/32, /* 8192 characters */
+ 4, /* 4bpp */
+ { 0, 1, 2, 3 }, /* the four bitplanes are packed in one nibble */
+ { 2*4, 3*4, 0*4, 1*4, 6*4, 7*4, 4*4, 5*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8 /* every character takes 32 consecutive bytes */
+};
+
+static const gfx_layout spritelayout =
+{
+ 8,8, /* 8*8 sprites */
+ 0x40000/32, /* 8192 sprites */
+ 4, /* 4 bpp */
+ { 0, 1, 2, 3 }, /* the four bitplanes are packed in one nibble */
+ { 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8 /* every sprite takes 32 consecutive bytes */
+};
+
+static GFXDECODE_START( bladestl )
+ GFXDECODE_ENTRY( REGION_GFX1, 0x000000, charlayout, 0, 2 ) /* colors 00..31 */
+ GFXDECODE_ENTRY( REGION_GFX1, 0x040000, spritelayout, 32, 16 ) /* colors 32..47 but using lookup table */
+GFXDECODE_END
+
+/***************************************************************************
+
+ Machine Driver
+
+***************************************************************************/
+
+static struct YM2203interface ym2203_interface =
+{
+ 0,
+ 0,
+ upd7759_0_port_w,
+ bladestl_port_B_w
+};
+
+static struct upd7759_interface upd7759_interface =
+{
+ REGION_SOUND1 /* memory regions */
+};
+
+static MACHINE_DRIVER_START( bladestl )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(HD6309, 3000000) /* 24MHz/8 (?) */
+ MDRV_CPU_PROGRAM_MAP(bladestl_readmem,bladestl_writemem)
+ MDRV_CPU_VBLANK_INT(bladestl_interrupt,2) /* (1 IRQ + 1 NMI) */
+
+ MDRV_CPU_ADD(M6809, 2000000)
+ /* audio CPU */ /* ? */
+ MDRV_CPU_PROGRAM_MAP(bladestl_readmem_sound,bladestl_writemem_sound)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_INTERLEAVE(10)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(32*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
+ MDRV_GFXDECODE(bladestl)
+ MDRV_PALETTE_LENGTH(48)
+ MDRV_COLORTABLE_LENGTH(48 + 16*16)
+
+ MDRV_PALETTE_INIT(bladestl)
+ MDRV_VIDEO_START(bladestl)
+ MDRV_VIDEO_UPDATE(bladestl)
+
+ /* sound hardware */
+ /* the initialization order is important, the port callbacks being
+ called at initialization time */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(UPD7759, UPD7759_STANDARD_CLOCK)
+ MDRV_SOUND_CONFIG(upd7759_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60)
+
+ MDRV_SOUND_ADD(YM2203, 3579545)
+ MDRV_SOUND_CONFIG(ym2203_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.45)
+MACHINE_DRIVER_END
+
+/***************************************************************************
+
+ Game ROMs
+
+***************************************************************************/
+
+ROM_START( bladestl )
+ ROM_REGION( 0x18000, REGION_CPU1, 0 ) /* code + banked roms */
+ ROM_LOAD( "797t01.bin", 0x10000, 0x08000, CRC(89d7185d) SHA1(0d2f346d9515cab0389106c0e227fb0bd84a2c9c) ) /* fixed ROM */
+ ROM_CONTINUE( 0x08000, 0x08000 ) /* banked ROM */
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the sound CPU */
+ ROM_LOAD( "797c02", 0x08000, 0x08000, CRC(65a331ea) SHA1(f206f6c5f0474542a5b7686b2f4d2cc7077dd5b9) )
+
+ ROM_REGION( 0x080000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "797a05", 0x000000, 0x40000, CRC(5491ba28) SHA1(c807774827c55c211ab68f548e1e835289cc5744) ) /* tiles */
+ ROM_LOAD( "797a06", 0x040000, 0x40000, CRC(d055f5cc) SHA1(3723b39b2a3e6dd8e7fc66bbfe1eef9f80818774) ) /* sprites */
+
+ ROM_REGION( 0x0100, REGION_PROMS, 0 )
+ ROM_LOAD( "797a07", 0x0000, 0x0100, CRC(7aecad4e) SHA1(05150a8dd25bdd6ab0c5b350e6ffd272f040e46a) ) /* sprites lookup table */
+
+ ROM_REGION( 0xc0000, REGION_SOUND1, 0 ) /* uPD7759 data (chip 1) */
+ ROM_LOAD( "797a03", 0x00000, 0x80000, CRC(9ee1a542) SHA1(c9a142a326875a50f03e49e83a84af8bb423a467) )
+ ROM_LOAD( "797a04", 0x80000, 0x40000, CRC(9ac8ea4e) SHA1(9f81eff970c9e8aea6f67d8a7d89805fae044ae1) )
+ROM_END
+
+ROM_START( bladstle )
+ ROM_REGION( 0x18000, REGION_CPU1, 0 ) /* code + banked roms */
+ ROM_LOAD( "797e01", 0x10000, 0x08000, CRC(f8472e95) SHA1(8b6caa905fb1642300dd9da508871b00429872c3) ) /* fixed ROM */
+ ROM_CONTINUE( 0x08000, 0x08000 ) /* banked ROM */
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the sound CPU */
+ ROM_LOAD( "797c02", 0x08000, 0x08000, CRC(65a331ea) SHA1(f206f6c5f0474542a5b7686b2f4d2cc7077dd5b9) )
+
+ ROM_REGION( 0x080000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "797a05", 0x000000, 0x40000, CRC(5491ba28) SHA1(c807774827c55c211ab68f548e1e835289cc5744) ) /* tiles */
+ ROM_LOAD( "797a06", 0x040000, 0x40000, CRC(d055f5cc) SHA1(3723b39b2a3e6dd8e7fc66bbfe1eef9f80818774) ) /* sprites */
+
+ ROM_REGION( 0x0100, REGION_PROMS, 0 )
+ ROM_LOAD( "797a07", 0x0000, 0x0100, CRC(7aecad4e) SHA1(05150a8dd25bdd6ab0c5b350e6ffd272f040e46a) ) /* sprites lookup table */
+
+ ROM_REGION( 0xc0000, REGION_SOUND1, 0 ) /* uPD7759 data */
+ ROM_LOAD( "797a03", 0x00000, 0x80000, CRC(9ee1a542) SHA1(c9a142a326875a50f03e49e83a84af8bb423a467) )
+ ROM_LOAD( "797a04", 0x80000, 0x40000, CRC(9ac8ea4e) SHA1(9f81eff970c9e8aea6f67d8a7d89805fae044ae1) )
+ROM_END
+
+
+
+GAME( 1987, bladestl, 0, bladestl, bladestl, 0, ROT90, "Konami", "Blades of Steel (version T)", 0 )
+GAME( 1987, bladstle, bladestl, bladestl, bladstle, 0, ROT90, "Konami", "Blades of Steel (version E)", 0 )