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mrgame.c : fixed bad sprites; fixed scrolling.

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This commit is contained in:
Robbbert 2014-07-16 14:25:31 +00:00
parent cefb090d9b
commit 8b2f9ff4e8
1 changed files with 30 additions and 21 deletions
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51
src/mame/drivers/mrgame.c
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@ -25,7 +25,6 @@ ToDo:
- Support for electronic volume control
- Audio rom banking
- Wrong colours
- Bad scrolling
- Most sounds missing due to unemulated M114 chip
- wcup90 is different hardware and there's no schematic
@ -76,6 +75,7 @@ public:
DECLARE_READ8_MEMBER(rsw_r);
TIMER_DEVICE_CALLBACK_MEMBER(irq_timer);
UINT32 screen_update_mrgame(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
bitmap_ind16 *m_tile_bitmap;
required_device<palette_device> m_palette;
required_shared_ptr<UINT8> m_p_videoram;
required_shared_ptr<UINT8> m_p_objectram;
@ -91,7 +91,7 @@ private:
UINT8 m_video_data;
UINT8 m_video_status;
UINT8 m_video_ctrl[8];
const UINT8 *m_p_chargen;
virtual void machine_start();
virtual void machine_reset();
required_device<m68000_device> m_maincpu;
required_device<z80_device> m_audiocpu1;
@ -292,6 +292,11 @@ READ8_MEMBER( mrgame_state::portc_r )
return m_io_dsw1->read() | ((UINT8)m_ackv << 4);
}
void mrgame_state::machine_start()
{
m_tile_bitmap=auto_bitmap_ind16_alloc(machine(),256,256);
}
void mrgame_state::machine_reset()
{
m_sound_data = 0xff;
@ -303,7 +308,6 @@ void mrgame_state::machine_reset()
m_ack2 = 0;
m_ackv = 0;
m_row_data = 0;
m_p_chargen = memregion("chargen")->base();
}
DRIVER_INIT_MEMBER( mrgame_state, mrgame )
@ -398,21 +402,22 @@ PALETTE_INIT_MEMBER( mrgame_state, mrgame)
// most of this came from pinmame as the diagram doesn't make a lot of sense
UINT32 mrgame_state::screen_update_mrgame(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 y,ptr,col;
UINT16 sy=0,x,chr;
UINT8 x,y,ptr=0,col;
INT32 scrolly[32];
UINT16 chr;
bool flipx,flipy;
// text
for (y = 0; y < 32; y++)
for (x = 0; x < 32; x++)
{
ptr = 1;
for (x = 0; x < 32; x++)
{
col = m_p_objectram[ptr];
ptr+=2;
chr = m_p_videoram[x+y*32] + (m_gfx_bank << 8);
scrolly[x] = -m_p_objectram[ptr++];
col = m_p_objectram[ptr++];
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect,
for (y = 0; y < 32; y++)
{
chr = m_p_videoram[x+y*32] | (m_gfx_bank << 8);
m_gfxdecode->gfx(0)->opaque(*m_tile_bitmap, m_tile_bitmap->cliprect(),
chr,
col,
0,0,
@ -420,22 +425,26 @@ UINT32 mrgame_state::screen_update_mrgame(screen_device &screen, bitmap_ind16 &b
}
}
// scroll each column as needed
copyscrollbitmap(bitmap,*m_tile_bitmap,0,0,32,scrolly,cliprect);
// sprites
for (ptr = 0x40; ptr < 0x60; ptr += 4)
{
x = m_p_objectram[ptr + 3] + 1;
sy = 255 - m_p_objectram[ptr];
y = 255 - m_p_objectram[ptr];
flipx = BIT(m_p_objectram[ptr + 1], 6);
flipy = BIT(m_p_objectram[ptr + 1], 7);
chr = (m_p_objectram[ptr + 1] & 0x3f) + (m_gfx_bank << 8);
chr = (m_p_objectram[ptr + 1] & 0x3f) | (m_gfx_bank << 6);
col = m_p_objectram[ptr + 2];
if ((sy > 16) && (x > 24))
if ((y > 16) && (x > 24))
m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,
chr,
col,
flipx,flipy,
x,sy-16,0);
x,y-16,0);
}
return 0;
@ -463,7 +472,7 @@ static MACHINE_CONFIG_START( mrgame, mrgame_state )
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(256, 256)
MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 247) // If you align with X on test screen some info is chopped off
MCFG_SCREEN_VISIBLE_AREA(0, 255, 8, 247) // If you align with X on test screen some info is chopped off
MCFG_SCREEN_UPDATE_DRIVER(mrgame_state, screen_update_mrgame)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD_INIT_BLACK("palette", 32)
@ -520,7 +529,7 @@ ROM_START(dakar)
ROM_END
/*-------------------------------------------------------------------
/ Motor Show (1988?)
/ Motor Show (1989)
/-------------------------------------------------------------------*/
ROM_START(motrshow)
ROM_REGION(0x10000, "roms", 0)
@ -643,7 +652,7 @@ ROM_END
GAME(1988, dakar, 0, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "Dakar", GAME_IS_SKELETON_MECHANICAL)
GAME(1988, motrshow, 0, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "Motor Show (set 1)", GAME_IS_SKELETON_MECHANICAL)
GAME(1988, motrshowa, motrshow, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "Motor Show (set 2)", GAME_IS_SKELETON_MECHANICAL)
GAME(1989, motrshow, 0, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "Motor Show (set 1)", GAME_IS_SKELETON_MECHANICAL)
GAME(1989, motrshowa, motrshow, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "Motor Show (set 2)", GAME_IS_SKELETON_MECHANICAL)
GAME(1990, macattck, 0, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "Mac Attack", GAME_IS_SKELETON_MECHANICAL)
GAME(1990, wcup90, 0, mrgame, mrgame, mrgame_state, mrgame, ROT0, "Mr Game", "World Cup 90", GAME_IS_SKELETON_MECHANICAL)