Many improvements

This commit is contained in:
Angelo Salese 2012-03-01 02:53:46 +00:00
parent 564a98c9ff
commit 29a55a0318

View File

@ -6,6 +6,8 @@
TODO:
- sprites;
- tilemap effects (scrolling, colscroll, linescroll);
- BGM seems quite off, YM2413 core bug?
- I/Os;
- IRQ generation;
- Port 0x620000 is quite a mystery, some silly protection?
@ -83,6 +85,7 @@ public:
m_maincpu(*this,"maincpu")
{ }
UINT16 *m_vregs;
UINT16 *m_vram;
UINT16 *m_spr;
required_device<cpu_device> m_maincpu;
@ -98,7 +101,10 @@ static void draw_layer(running_machine &machine, bitmap_ind16 &bitmap,const rect
popobear_state *state = machine.driver_data<popobear_state>();
UINT8* vram = (UINT8 *)state->m_vram;
int count;
// const UINT8 vreg_base[] = { 0x6/2, 0xa/2, 0x10/2, 0x14/2 };
// count = (state->m_vregs[vreg_base[layer_n]]<<5);
// count &= 0xfc000;
count = (0xf0000+layer_n*0x4000);
for(int y=0;y<32;y++)
@ -119,12 +125,12 @@ static void draw_layer(running_machine &machine, bitmap_ind16 &bitmap,const rect
{
UINT8 color;
color = (vram[(xi+yi*1024)+xtile+ytile] & 0xff);
color = (vram[((xi+yi*1024)+xtile+ytile) & 0xfffff] & 0xff);
if(cliprect.contains(x*8+xi+1, y*8+yi) && color)
bitmap.pix16(y*8+yi, x*8+xi+1) = machine.pens[color];
color = (vram[(xi+1+yi*1024)+xtile+ytile] & 0xff);
color = (vram[((xi+1+yi*1024)+xtile+ytile) & 0xfffff] & 0xff);
if(cliprect.contains(x*8+xi, y*8+yi) && color)
bitmap.pix16(y*8+yi, x*8+xi) = machine.pens[color];
@ -136,77 +142,95 @@ static void draw_layer(running_machine &machine, bitmap_ind16 &bitmap,const rect
}
}
static void draw_sprites(running_machine &machine, bitmap_ind16 &bitmap,const rectangle &cliprect)
{
popobear_state *state = machine.driver_data<popobear_state>();
UINT8* vram = (UINT8 *)state->m_spr;
int i;
#if 0
static int bank_test = 1;
if(machine.input().code_pressed_once(KEYCODE_Z))
bank_test<<=1;
if(machine.input().code_pressed_once(KEYCODE_X))
bank_test>>=1;
popmessage("%02x",bank_test);
#endif
/*
???? ---- ---- ---- unused?
---- xxxx ---- ---- priority?
---- ---- x--- ---- Y direction
---- ---- -x-- ---- X direction
---- ---- --xx ---- width
---- ---- ---- xx-- color bank
---- ---- ---- --xx height?
*/
/* 0x106 = 8 x 8 */
/* 0x*29 = 32 x 32 */
for(i = 0x800-8;i >= 0; i-=8)
{
int y = vram[i+0x7f800+2]|(vram[i+0x7f800+3]<<8);
int x = vram[i+0x7f800+4]|(vram[i+0x7f800+5]<<8);
int spr_num = vram[i+0x7f800+6]|(vram[i+0x7f800+7]<<8);
int param = vram[i+0x7f800+0]|(vram[i+0x7f800+1]<<8);
int width = 8 << ((param & 0x30)>>4);
int height = 32;
int color_bank = (param & 0xc)<<4;
int x_dir = param & 0x40;
int y_dir = param & 0x80;
if(param == 0)
continue;
//if(param & bank_test)
// continue;
spr_num <<= 3;
for(int yi=0;yi<height;yi++)
{
for(int xi=0;xi<width;xi+=2)
{
UINT8 color;
int x_res,y_res;
color = (vram[spr_num] & 0xff);
x_res = (x_dir) ? x+0+(width - xi) : x+1+xi;
y_res = (y_dir) ? y+(height - yi) : y+yi;
if(cliprect.contains(x_res, y_res) && color)
bitmap.pix16(y_res, x_res) = machine.pens[color+0x100+color_bank];
color = (vram[spr_num+1] & 0xff);
x_res = (x_dir) ? x+1+(width - xi) : x+0+xi;
y_res = (y_dir) ? y+(height - yi) : y+yi;
if(cliprect.contains(x_res, y_res) && color)
bitmap.pix16(y_res, x_res) = machine.pens[color+0x100+color_bank];
spr_num+=2;
}
}
}
}
SCREEN_UPDATE_IND16( popobear )
{
//popobear_state *state = screen.machine().driver_data<popobear_state>();
popobear_state *state = screen.machine().driver_data<popobear_state>();
bitmap.fill(0, cliprect);
if(1)
{
draw_layer(screen.machine(),bitmap,cliprect,3);
draw_layer(screen.machine(),bitmap,cliprect,2);
draw_layer(screen.machine(),bitmap,cliprect,1);
draw_layer(screen.machine(),bitmap,cliprect,0);
}
//popmessage("%04x",state->m_vregs[0/2]);
if(0)
{
popobear_state *state = screen.machine().driver_data<popobear_state>();
int x,y,count;
UINT8* spr = (UINT8 *)state->m_spr;
static int m_test_x,m_test_y,m_start_offs;
if(screen.machine().input().code_pressed(KEYCODE_Z))
m_test_x++;
if(screen.machine().input().code_pressed(KEYCODE_X))
m_test_x--;
if(screen.machine().input().code_pressed(KEYCODE_A))
m_test_y++;
if(screen.machine().input().code_pressed(KEYCODE_S))
m_test_y--;
if(screen.machine().input().code_pressed(KEYCODE_Q))
m_start_offs+=0x200;
if(screen.machine().input().code_pressed(KEYCODE_W))
m_start_offs-=0x200;
if(screen.machine().input().code_pressed(KEYCODE_E))
m_start_offs++;
if(screen.machine().input().code_pressed(KEYCODE_R))
m_start_offs--;
popmessage("%d %d %04x",m_test_x,m_test_y,m_start_offs);
bitmap.fill(get_black_pen(screen.machine()), cliprect);
count = (m_start_offs);
for(y=0;y<m_test_y;y++)
{
for(x=0;x<m_test_x;x+=2)
{
UINT32 color;
color = (spr[count] & 0xff)>>0;
if(cliprect.contains(x+1, y))
bitmap.pix16(y, x+1) = screen.machine().pens[color+0x100];
color = (spr[count+1] & 0xff)>>0;
if(cliprect.contains(x, y))
bitmap.pix16(y, x) = screen.machine().pens[color+0x100];
count+=2;
}
}
}
draw_layer(screen.machine(),bitmap,cliprect,3);
draw_layer(screen.machine(),bitmap,cliprect,2);
draw_layer(screen.machine(),bitmap,cliprect,1);
draw_layer(screen.machine(),bitmap,cliprect,0);
draw_sprites(screen.machine(),bitmap,cliprect);
return 0;
}
@ -237,27 +261,27 @@ static ADDRESS_MAP_START( popobear_mem, AS_PROGRAM, 16 )
AM_RANGE(0x300000, 0x3fffff) AM_RAM AM_BASE_MEMBER(popobear_state, m_vram)
/* Most if not all of these are vregs */
AM_RANGE(0x480000, 0x480001) AM_NOP //AM_READ(popo_480001_r) AM_WRITE(popo_480001_w)
AM_RANGE(0x480018, 0x480019) AM_NOP //AM_WRITE(popo_480018_w)
AM_RANGE(0x48001a, 0x48001b) AM_NOP //AM_WRITE(popo_48001a_w)
AM_RANGE(0x48001c, 0x48001d) AM_NOP //AM_READ(popo_48001c_r) AM_WRITE(popo_48001c_w)
AM_RANGE(0x480020, 0x480021) AM_NOP //AM_READ(popo_480020_r) AM_WRITE(popo_480020_w)
AM_RANGE(0x480028, 0x480029) AM_NOP //AM_WRITE(popo_480028_w)
AM_RANGE(0x48002c, 0x48002d) AM_NOP //AM_WRITE(popo_48002c_w)
AM_RANGE(0x480000, 0x48001f) AM_RAM AM_BASE_MEMBER(popobear_state, m_vregs)
AM_RANGE(0x480020, 0x480023) AM_RAM
AM_RANGE(0x480028, 0x48002d) AM_RAM
// AM_RANGE(0x480020, 0x480021) AM_NOP //AM_READ(popo_480020_r) AM_WRITE(popo_480020_w)
// AM_RANGE(0x480028, 0x480029) AM_NOP //AM_WRITE(popo_480028_w)
// AM_RANGE(0x48002c, 0x48002d) AM_NOP //AM_WRITE(popo_48002c_w)
AM_RANGE(0x480030, 0x480031) AM_WRITE8(popobear_irq_ack_w, 0x00ff)
AM_RANGE(0x48003a, 0x48003b) AM_NOP //AM_READ(popo_48003a_r) AM_WRITE(popo_48003a_w)
AM_RANGE(0x480034, 0x480035) AM_RAM // coin counter or coin lockout
AM_RANGE(0x48003a, 0x48003b) AM_RAM //AM_READ(popo_48003a_r) AM_WRITE(popo_48003a_w)
AM_RANGE(0x480400, 0x4807ff) AM_RAM AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0x500000, 0x500001) AM_NOP //AM_READ(popo_500000_r) // watchdog?
AM_RANGE(0x520000, 0x520001) AM_READ_PORT("DSW4")
AM_RANGE(0x500000, 0x500001) AM_READ_PORT("IN0")
AM_RANGE(0x520000, 0x520001) AM_READ_PORT("IN1")
AM_RANGE(0x540000, 0x540001) AM_DEVREADWRITE8_MODERN("oki", okim6295_device, read, write, 0x00ff)
AM_RANGE(0x550000, 0x550003) AM_DEVWRITE8( "ymsnd", ym2413_w, 0x00ff )
// AM_RANGE(0x600000, 0x600001) AM_WRITE(popo_600000_w)
AM_RANGE(0x620000, 0x620001) AM_READ8(popo_620000_r,0xff00) //AM_WRITE(popo_620000_w)
AM_RANGE(0x800000, 0x9fffff) AM_ROM AM_REGION("gfx1", 0)
AM_RANGE(0xa00000, 0xbfffff) AM_ROM AM_REGION("gfx2", 0) // correct?
AM_RANGE(0x600000, 0x600001) AM_WRITENOP
AM_RANGE(0x620000, 0x620001) AM_READ8(popo_620000_r,0xff00) AM_WRITENOP
AM_RANGE(0x800000, 0x9fffff) AM_ROM AM_REGION("gfx1", 0) // u5 & u6
AM_RANGE(0xa00000, 0xbfffff) AM_ROM AM_REGION("gfx2", 0) // u7 & u8
ADDRESS_MAP_END
static INPUT_PORTS_START( popobear )
@ -312,33 +336,25 @@ static INPUT_PORTS_START( popobear )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("DSW3")
PORT_DIPNAME( 0x01, 0x00, "DSW3:1" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x00, "DSW3:2" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, "DSW3:3" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, "DSW3:4" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, "DSW3:5" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, "DSW3:6" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, "DSW3:7" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, "DSW3:8" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("IN0")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("DSW4")
PORT_START("IN1")
PORT_DIPNAME( 0x01, 0x01, "DSWA" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
@ -363,9 +379,7 @@ static INPUT_PORTS_START( popobear )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x0100, 0x0100, "DSWA" )
PORT_DIPSETTING( 0x0100, DEF_STR( Off ) )
PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2)
PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x0200, DEF_STR( Off ) )
PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
@ -381,16 +395,11 @@ static INPUT_PORTS_START( popobear )
PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x2000, DEF_STR( Off ) )
PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x4000, DEF_STR( Off ) )
PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x8000, DEF_STR( Off ) )
PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START1 )
INPUT_PORTS_END
static TIMER_DEVICE_CALLBACK( popobear_irq )
{
popobear_state *state = timer.machine().driver_data<popobear_state>();
@ -398,20 +407,21 @@ static TIMER_DEVICE_CALLBACK( popobear_irq )
/* TODO: one of those is a timer irq, tied with YM2413 */
if(scanline == 240)
device_set_input_line(state->m_maincpu, 2, ASSERT_LINE);
device_set_input_line(state->m_maincpu, 5, ASSERT_LINE);
if(scanline == 128)
if(scanline == 0)
device_set_input_line(state->m_maincpu, 3, ASSERT_LINE);
if(scanline == 32)
device_set_input_line(state->m_maincpu, 5, ASSERT_LINE);
if(scanline == 64 || scanline == 192)
device_set_input_line(state->m_maincpu, 2, ASSERT_LINE);
}
static MACHINE_CONFIG_START( popobear, popobear_state )
MCFG_CPU_ADD("maincpu", M68000, XTAL_42MHz/4) // XTAL CORRECT, DIVISOR GUESSED
MCFG_CPU_PROGRAM_MAP(popobear_mem)
// levels 2,3,5 look interesting
//MCFG_CPU_VBLANK_INT("screen",irq3_line_hold)
//MCFG_CPU_VBLANK_INT("screen",irq5_line_assert)
//MCFG_CPU_PERIODIC_INT(irq2_line_assert,120)
MCFG_TIMER_ADD_SCANLINE("scantimer", popobear_irq, "screen", 0, 1)
MCFG_SCREEN_ADD("screen", RASTER)
@ -429,7 +439,7 @@ static MACHINE_CONFIG_START( popobear, popobear_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ymsnd", YM2413, XTAL_42MHz/10) // XTAL CORRECT, DIVISOR GUESSED
MCFG_SOUND_ADD("ymsnd", YM2413, XTAL_42MHz/16) // XTAL CORRECT, DIVISOR GUESSED
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_OKIM6295_ADD("oki", XTAL_42MHz/32, OKIM6295_PIN7_LOW) // XTAL CORRECT, DIVISOR GUESSED