Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-05 08:41:31 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

ygv608.cpp: log mosaic (nw)

Browse Source
This commit is contained in:
angelosa 2017-06-30 07:30:25 +02:00
parent c3cb63ac92
commit 24ac067271
2 changed files with 47 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
src/mame/video/ygv608.cpp
View File

@ -169,6 +169,7 @@ enum {
};
// TODO: move these into enums
// R#7(md)
#define MD_2PLANE_8BIT 0x00
#define MD_2PLANE_16BIT 0x02
@ -203,8 +204,8 @@ enum {
#define PTS_MASK 0xc0
// R#10
#define SPAS_SPRITESIZE 0
#define SPAS_SPRITEREVERSE 1
#define SPAS_SPRITESIZE false
#define SPAS_SPRITEREVERSE true
// R#10(spas)=1
#define SZ_8X8 0x00
@ -374,6 +375,9 @@ static ADDRESS_MAP_START( regs_map, AS_IO, 8, ygv608_device )
AM_RANGE( 5, 5) AM_READWRITE(palette_address_r,palette_address_w)
AM_RANGE( 6, 6) AM_READWRITE(sprite_bank_r,sprite_bank_w)
// screen control
AM_RANGE(10, 10) AM_READWRITE(screen_ctrl_mosaic_sprite_r, screen_ctrl_mosaic_sprite_w)
// interrupt section
AM_RANGE(14, 14) AM_READWRITE(irq_mask_r,irq_mask_w)
AM_RANGE(15, 16) AM_READWRITE(irq_ctrl_r,irq_ctrl_w)
@ -963,8 +967,8 @@ void ygv608_device::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
int i;
/* ensure that sprites are enabled */
if( ((m_regs.s.r7 & r7_dspe) == 0 ) || (m_regs.s.r10 & r10_sprd))
return;
if( ((m_regs.s.r7 & r7_dspe) == 0 ) || (m_sprite_disable == true))
return;
/* draw sprites */
spriteClip &= cliprect;
@ -977,10 +981,10 @@ void ygv608_device::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
sx = ( (int)(sa->attr & 0x02) << 7 ) | (int)sa->sx;
sy = ( ( ( (int)(sa->attr & 0x01) << 8 ) | (int)sa->sy ) + 1 ) & 0x1ff;
attr = (sa->attr & 0x0c) >> 2;
g_attr = (m_regs.s.r10 & r10_spa) >> 6;
g_attr = m_sprite_aux_reg & 3;
spf = (m_regs.s.r12 & r12_spf) >> 6;
if ((m_regs.s.r10 & r10_spas) == SPAS_SPRITESIZE )
if (m_sprite_aux_mode == SPAS_SPRITESIZE )
{
size = g_attr;
flipx = (attr & SZ_HORIZREVERSE) != 0;
@ -993,7 +997,8 @@ void ygv608_device::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
flipy = (g_attr & SZ_VERTREVERSE) != 0;
}
switch( size ) {
switch( size )
{
case SZ_8X8 :
code = ( (int)m_sprite_bank << 8 ) | (int)sa->sn;
if (spf != 0)
@ -1585,6 +1590,8 @@ WRITE8_MEMBER( ygv608_device::palette_data_w )
if (++m_color_state_w == 3)
{
m_color_state_w = 0;
// if(m_colour_palette[m_palette_address][0] & 0x80) // Transparency designation, none of the Namco games enables it?
palette().set_pen_color(m_palette_address,
pal6bit( m_colour_palette[m_palette_address][0] ),
pal6bit( m_colour_palette[m_palette_address][1] ),
@ -1761,8 +1768,10 @@ WRITE8_MEMBER( ygv608_device::pattern_name_table_y_w )
// logerror ("%s:setting pny(%d) >= page_y(%d)\n", machine().describe_context(),
// yTile, m_page_y );
m_ytile_ptr &= m_page_y -1;
m_ytile_autoinc = BIT(data,7);
m_plane_select_access = BIT(data,6);
m_ytile_autoinc = BIT(data,7);
m_plane_select_access = BIT(data,6);
if(m_ytile_autoinc == true && m_xtile_autoinc == true)
logerror("%s: Warning both X/Y Tiles autoinc enabled!\n",this->tag());
}
// R#1R - Pattern Name Table Access pointer X
@ -1780,6 +1789,8 @@ WRITE8_MEMBER( ygv608_device::pattern_name_table_x_w )
// xTile, m_page_x );
m_xtile_ptr &= m_page_x -1;
m_xtile_autoinc = BIT(data,7);
if(m_ytile_autoinc == true && m_xtile_autoinc == true)
logerror("%s: Warning both X/Y Tiles autoinc enabled!\n",this->tag());
}
@ -1832,6 +1843,26 @@ WRITE8_MEMBER( ygv608_device::sprite_bank_w )
m_sprite_bank = data;
}
// R#10R - screen control: mosaic & sprite
READ8_MEMBER( ygv608_device::screen_ctrl_mosaic_sprite_r )
{
return (m_sprite_aux_reg << 6) | ((m_sprite_aux_mode == true) << 5) | ((m_sprite_disable == true) << 4)
| (m_mosaic_bplane << 2) | (m_mosaic_aplane & 3);
}
WRITE8_MEMBER( ygv608_device::screen_ctrl_mosaic_sprite_w )
{
// check mosaic
m_mosaic_aplane = data & 3;
m_mosaic_bplane = (data & 0xc) >> 2;
if(m_mosaic_aplane || m_mosaic_bplane)
popmessage("Mosaic effect %02x %02x",m_mosaic_aplane,m_mosaic_bplane);
m_sprite_disable = BIT(data, 4);
m_sprite_aux_mode = BIT(data, 5);
m_sprite_aux_reg = (data & 0xc0) >> 6;
}
// R#14R interrupt mask control
READ8_MEMBER( ygv608_device::irq_mask_r )
{

7
src/mame/video/ygv608.h
View File

@ -54,6 +54,8 @@ public:
DECLARE_WRITE8_MEMBER(palette_address_w);
DECLARE_READ8_MEMBER(sprite_bank_r);
DECLARE_WRITE8_MEMBER(sprite_bank_w);
DECLARE_READ8_MEMBER(screen_ctrl_mosaic_sprite_r);
DECLARE_WRITE8_MEMBER(screen_ctrl_mosaic_sprite_w);
DECLARE_READ8_MEMBER(irq_mask_r);
DECLARE_WRITE8_MEMBER(irq_mask_w);
DECLARE_READ8_MEMBER(irq_ctrl_r);
@ -278,6 +280,11 @@ private:
bool m_ytile_autoinc; /**< PNXA: Permits auto-increment in Y coordinate */
bool m_plane_select_access; /**< B/(A): A/B plane access select */
uint8_t m_mosaic_aplane; /**< MCA: mosaic factor applied to A plane */
uint8_t m_mosaic_bplane; /**< MCA: mosaic factor applied to B plane */
bool m_sprite_disable; /**< SPRD: disables the sprite plane display */
bool m_sprite_aux_mode; /**< SPAS: if 0 aux bits selects size, if 1 selects flipping */
uint8_t m_sprite_aux_reg; /**< SPA: auxiliary bits of sprite attribute table */
// screen section
devcb_write_line m_vblank_handler;