Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-26 10:13:37 +03:00
Code Issues Actions 29 Packages Projects Releases Wiki Activity

play with some of the blitter values a bit (nw)

Browse Source
This commit is contained in:
David Haywood 2013-02-19 18:12:34 +00:00
parent 1b98f3cca4
commit fe923caa27
1 changed files with 77 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
src/mame/drivers/coolridr.c
View File

@ -294,6 +294,11 @@ public:
int m_vPosition;
int m_hPosition;
UINT16 m_vOrigin;
UINT16 m_hOrigin;
UINT16 m_vZoom;
UINT16 m_hZoom;
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<cpu_device> m_soundcpu;
@ -569,6 +574,17 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
m_vCellCount = (data & 0xffff0000) >> 16;
m_hCellCount = (data & 0x0000ffff);
}
else if (m_blitterSerialCount == 7)
{
m_vOrigin = (data & 0xffff0000) >> 16;
m_hOrigin = (data & 0x0000ffff);
//printf("%04x %04x\n", m_vOrigin, m_hOrigin);
}
else if (m_blitterSerialCount == 8)
{
m_vZoom = (data & 0xffff0000) >> 16;
m_hZoom = (data & 0x0000ffff);
}
else if (m_blitterSerialCount == 9)
{
m_vPosition = (data & 0xffff0000) >> 16;
@ -588,26 +604,75 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
else // 0x90, 0xa0, 0xb0, 0xc0
drawbitmap = &m_temp_bitmap_sprites2;
int sizex = m_hCellCount * 16 * m_hZoom;
int sizey = m_vCellCount * 16 * m_vZoom;
m_hPosition *= 0x40;
m_vPosition *= 0x40;
switch (m_vOrigin & 3)
{
case 0:
// top
break;
case 1:
m_vPosition -= sizey / 2 ;
// middle?
break;
case 2:
m_vPosition -= sizey;
// bottom?
break;
case 3:
// invalid?
break;
}
switch (m_hOrigin & 3)
{
case 0:
// left
break;
case 1:
m_hPosition -= sizex / 2;
// middle?
break;
case 2:
m_hPosition -= sizex;
// right?
break;
case 3:
// invalid?
break;
}
// Splat some sprites
for (int h = 0; h < m_hCellCount; h++)
{
for (int v = 0; v < m_vCellCount; v++)
{
const int pixelOffsetX = (m_hPosition) + (h*16);
const int pixelOffsetY = (m_vPosition) + (v*16);
const int pixelOffsetX = ((m_hPosition) + (h* 16 * m_hZoom)) / 0x40;
const int pixelOffsetY = ((m_vPosition) + (v* 16 * m_vZoom)) / 0x40;
// It's unknown if it's row-major or column-major
// TODO: Study the CRT test and "Cool Riders" logo for clues.
UINT8 spriteNumber = space.read_byte(memOffset + h + (v*h));
// DEBUG: For demo purposes, skip &spaces and NULL characters
if (spriteNumber == 0x20 || spriteNumber == 0x00)
continue;
if (m_blitterMode == 0x30 || m_blitterMode == 0x90)
if (spriteNumber == 0x20 || spriteNumber == 0x00)
continue;
int blockwide = ((16*m_hZoom)/0x40)-1;
int blockhigh = ((16*m_vZoom)/0x40)-1;
// hack
if (blockwide<=0) blockwide = 1;
if (blockhigh<=0) blockhigh = 1;
// DEBUG: Draw 16x16 block
for (int x = 1; x < 15; x++)
for (int x = 0; x < blockwide; x++)
{
for (int y = 1; y < 15; y++)
for (int y = 0; y < blockhigh; y++)
{
UINT32 color = 0xffffffff;
@ -636,6 +701,7 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
color = 0xff000000 | ((((m_colorNumber & 0xff) | 0x80)-0x40) << 16);
}
if (drawbitmap->cliprect().contains(pixelOffsetX+x, pixelOffsetY+y))
if (drawbitmap->pix32(pixelOffsetY+y, pixelOffsetX+x)==0) drawbitmap->pix32(pixelOffsetY+y, pixelOffsetX+x) = color;
}
@ -1351,15 +1417,15 @@ static MACHINE_CONFIG_START( coolridr, coolridr_state )
MCFG_SCREEN_ADD("lscreen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_SIZE(640, 512)
//MCFG_SCREEN_VISIBLE_AREA(0,495, 0, 383) // this resolution is right for test mode, but too low for the game, it can probably change
MCFG_SCREEN_VISIBLE_AREA(0,639, 0, 479)
MCFG_SCREEN_VISIBLE_AREA(0,495, 0, 383) // the game uses this resolution
//MCFG_SCREEN_VISIBLE_AREA(0,639, 0, 479) // the 'for use in Japan screen uses this resolution' (Outrunners also uses the higher res for this screen on system 32..)
MCFG_SCREEN_UPDATE_DRIVER(coolridr_state, screen_update_coolridr1)
MCFG_SCREEN_ADD("rscreen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_SIZE(640, 512)
//MCFG_SCREEN_VISIBLE_AREA(0,495, 0, 383)
MCFG_SCREEN_VISIBLE_AREA(0,639, 0, 479)
MCFG_SCREEN_VISIBLE_AREA(0,495, 0, 383) // the game uses this resolution
//MCFG_SCREEN_VISIBLE_AREA(0,639, 0, 479) // the 'for use in ... screen uses this resolution'
MCFG_SCREEN_UPDATE_DRIVER(coolridr_state, screen_update_coolridr2)
@ -1452,4 +1518,4 @@ DRIVER_INIT_MEMBER(coolridr_state,coolridr)
machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x60d8894, 0x060d8897, read32_delegate(FUNC(coolridr_state::coolridr_hack2_r), this));
}
GAME( 1995, coolridr, 0, coolridr, coolridr, coolridr_state, coolridr, ROT0, "Sega", "Cool Riders (US)",GAME_NOT_WORKING|GAME_NO_SOUND )
GAME( 1995, coolridr, 0, coolridr, coolridr, coolridr_state, coolridr, ROT0, "Sega", "Cool Riders",GAME_NOT_WORKING|GAME_NO_SOUND ) // was marked 'US' but clearly uploads a Japan warning, might be a jumper select