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ygv608.cpp: screen control 12 (nw)

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This commit is contained in:
angelosa 2017-09-28 00:41:52 +02:00
parent a07bc6c5ea
commit 64c6e9fe6b
2 changed files with 30 additions and 9 deletions
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33
src/mame/video/ygv608.cpp
View File

@ -384,6 +384,7 @@ static ADDRESS_MAP_START( regs_map, AS_IO, 8, ygv608_device )
AM_RANGE( 9, 9) AM_READWRITE(screen_ctrl_9_r, screen_ctrl_9_w)
AM_RANGE(10, 10) AM_READWRITE(screen_ctrl_10_r, screen_ctrl_10_w)
AM_RANGE(11, 11) AM_READWRITE(screen_ctrl_11_r, screen_ctrl_11_w)
AM_RANGE(12, 12) AM_READWRITE(screen_ctrl_12_r, screen_ctrl_12_w)
AM_RANGE(13, 13) AM_WRITE(border_color_w)
// interrupt section
@ -651,11 +652,11 @@ TILE_GET_INFO_MEMBER( ygv608_device::get_tile_info_A_8 )
logerror( "A_8X8: tilemap=%d\n", j );
j = 0;
}
if ((m_regs.s.r12 & r12_apf) != 0)
if (m_planeA_color_fetch != 0)
{
// attribute only valid in 16 color mode
if( set == GFX_8X8_4BIT )
attr = ( j >> ( ((m_regs.s.r12 & r12_apf) - 1 ) * 2 ) ) & 0x0f;
attr = ( j >> ( (m_planeA_color_fetch - 1 ) * 2 ) ) & 0x0f;
}
// banking
if (set == GFX_8X8_4BIT)
@ -749,9 +750,9 @@ TILE_GET_INFO_MEMBER( ygv608_device::get_tile_info_B_8 )
logerror( "B_8X8: tilemap=%d\n", j );
j = 0;
}
if ((m_regs.s.r12 & r12_bpf) != 0)
if (m_planeB_color_fetch != 0)
{
uint8_t color = (m_regs.s.r12 & r12_bpf) >> 3;
uint8_t color = (m_planeB_color_fetch);
/* assume 16 colour mode for now... */
attr = ( j >> ( (color - 1 ) * 2 ) ) & 0x0f;
@ -841,11 +842,11 @@ TILE_GET_INFO_MEMBER( ygv608_device::get_tile_info_A_16 )
j = 0;
}
if ((m_regs.s.r12 & r12_apf) != 0)
if (m_planeA_color_fetch != 0)
{
// attribute only valid in 16 color mode
if( set == GFX_16X16_4BIT )
attr = ( j >> ( ((m_regs.s.r12 & r12_apf)) * 2 ) ) & 0x0f;
attr = ( j >> ( m_planeA_color_fetch * 2 ) ) & 0x0f;
}
// banking
@ -934,9 +935,9 @@ TILE_GET_INFO_MEMBER( ygv608_device::get_tile_info_B_16 )
j = 0;
}
if ((m_regs.s.r12 & r12_bpf) != 0)
if (m_planeB_color_fetch != 0)
{
uint8_t color = (m_regs.s.r12 & r12_bpf) >> 3;
uint8_t color = (m_planeB_color_fetch);
/* assume 16 colour mode for now... */
attr = ( j >> (color * 2)) & 0x0f;
@ -1011,7 +1012,7 @@ void ygv608_device::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
sy = ( ( ( (int)(sa->attr & 0x01) << 8 ) | (int)sa->sy ) + 1 ) & 0x1ff;
attr = (sa->attr & 0x0c) >> 2;
g_attr = m_sprite_aux_reg & 3;
spf = (m_regs.s.r12 & r12_spf) >> 6;
spf = m_sprite_color_fetch;
if (m_sprite_aux_mode == SPAS_SPRITESIZE )
{
@ -2003,6 +2004,20 @@ WRITE8_MEMBER( ygv608_device::screen_ctrl_11_w )
m_planeA_trans_enable = BIT(data,0);
}
// R#12R - screen control 12: color fetch modes
READ8_MEMBER( ygv608_device::screen_ctrl_12_r )
{
return (m_sprite_color_fetch<<6)|(m_planeB_color_fetch<<3)|(m_planeA_color_fetch<<0);
}
// R#12W - screen control 12: color fetch modes
WRITE8_MEMBER( ygv608_device::screen_ctrl_12_w )
{
m_sprite_color_fetch = (data >> 6) & 3;
m_planeB_color_fetch = (data >> 3) & 7;
m_planeA_color_fetch = (data >> 0) & 7;
}
// R#13W - border color
WRITE8_MEMBER( ygv608_device::border_color_w )
{

6
src/mame/video/ygv608.h
View File

@ -66,6 +66,8 @@ public:
DECLARE_WRITE8_MEMBER(screen_ctrl_10_w);
DECLARE_READ8_MEMBER(screen_ctrl_11_r);
DECLARE_WRITE8_MEMBER(screen_ctrl_11_w);
DECLARE_READ8_MEMBER(screen_ctrl_12_r);
DECLARE_WRITE8_MEMBER(screen_ctrl_12_w);
DECLARE_READ8_MEMBER(irq_mask_r);
DECLARE_WRITE8_MEMBER(irq_mask_w);
DECLARE_READ8_MEMBER(irq_ctrl_r);
@ -327,6 +329,10 @@ private:
bool m_yse; /**< YSE: permission control of trasparency timing output of YS terminal */
uint8_t m_scm; /**< SCM: output frequency of clock signal output from terminal FSC */
uint8_t m_planeA_color_fetch; /**< APF: A plane color fetch mode */
uint8_t m_planeB_color_fetch; /**< BPF: B plane color fetch mode */
uint8_t m_sprite_color_fetch; /**< SPF: sprite color fetch mode */
// screen section
devcb_write_line m_vblank_handler;
devcb_write_line m_raster_handler;