ygv608.cpp: screen control 11 (layer transparency enable), made POST screens again green for NCV1 & 2 (nw)

This commit is contained in:
angelosa 2017-09-27 22:18:52 +02:00
parent 6ec0943fb9
commit b3f2d43d91
2 changed files with 211 additions and 164 deletions

View File

@ -1,5 +1,5 @@
// license:BSD-3-Clause
// copyright-holders:Mark McDougall
// copyright-holders:Mark McDougall, Angelo Salese
/*
* Yamaha YGV608 - PVDC2 Pattern mode Video Display Controller 2
@ -42,7 +42,7 @@
* - fix tilemap dirty flags, move tilemap data in own space prolly helps;
* - DMA from/to ROM;
* - color palette accessors presumably accesses an internal RAMDAC with controllable auto-increment, convert to that;
* - fix char getting cut off from GAME SELECT msg in NCV2;
* - fix char getting cut off from GAME SELECT msg in NCV2 (sprite issue);
* - clean-ups & documentation;
*
*
@ -222,9 +222,9 @@ enum {
// R#11(prm)
#define PRM_SABDEX 0x00
#define PRM_ASBDEX 0x04
#define PRM_SEABDX 0x08
#define PRM_ASEBDX 0x0c
#define PRM_ASBDEX 0x01
#define PRM_SEABDX 0x02
#define PRM_ASEBDX 0x03
// R#40
#define HDW_SHIFT 0
@ -383,6 +383,7 @@ static ADDRESS_MAP_START( regs_map, AS_IO, 8, ygv608_device )
AM_RANGE( 8, 8) AM_READWRITE(screen_ctrl_8_r, screen_ctrl_8_w)
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(13, 13) AM_WRITE(border_color_w)
// interrupt section
@ -996,7 +997,7 @@ void ygv608_device::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
int i;
/* ensure that sprites are enabled */
if( (m_dspe == false ) || (m_sprite_disable == true))
if( (m_dspe == false ) || (m_sprite_disable == true) )
return;
/* draw sprites */
@ -1004,153 +1005,157 @@ void ygv608_device::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
sa = &m_sprite_attribute_table.s[MAX_SPRITES-1];
for( i=0; i<MAX_SPRITES; i++, sa-- )
{
int code, color, sx, sy, size, attr, g_attr, spf;
int code, color, sx, sy, size, attr, g_attr, spf;
color = (sa->attr >> 4) & 0x0f;
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_sprite_aux_reg & 3;
spf = (m_regs.s.r12 & r12_spf) >> 6;
color = (sa->attr >> 4) & 0x0f;
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_sprite_aux_reg & 3;
spf = (m_regs.s.r12 & r12_spf) >> 6;
if (m_sprite_aux_mode == SPAS_SPRITESIZE )
{
size = g_attr;
flipx = (attr & SZ_HORIZREVERSE) != 0;
flipy = (attr & SZ_VERTREVERSE) != 0;
}
else
{
size = attr;
flipx = (g_attr & SZ_HORIZREVERSE) != 0;
flipy = (g_attr & SZ_VERTREVERSE) != 0;
}
switch( size )
{
case SZ_8X8 :
code = ( (int)m_sprite_bank << 8 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> ( (spf - 1) * 2 ) ) & 0x0f;
if( code >= layout_total(GFX_8X8_4BIT) ) {
logerror( "SZ_8X8: sprite=%d\n", code );
code = 0;
if (m_sprite_aux_mode == SPAS_SPRITESIZE )
{
size = g_attr;
flipx = (attr & SZ_HORIZREVERSE) != 0;
flipy = (attr & SZ_VERTREVERSE) != 0;
}
gfx(GFX_8X8_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x10000,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-8 )
gfx(GFX_8X8_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x10000,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-8 )
gfx(GFX_8X8_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x10000,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
case SZ_16X16 :
code = ( ( (int)m_sprite_bank & 0xfc ) << 6 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> (spf * 2) ) & 0x0f;
if( code >= layout_total(GFX_16X16_4BIT) ) {
logerror( "SZ_8X8: sprite=%d\n", code );
code = 0;
else
{
size = attr;
flipx = (g_attr & SZ_HORIZREVERSE) != 0;
flipy = (g_attr & SZ_VERTREVERSE) != 0;
}
gfx(GFX_16X16_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x4000,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-16 )
gfx(GFX_16X16_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x4000,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-16 )
gfx(GFX_16X16_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x4000,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
case SZ_32X32 :
code = ( ( (int)m_sprite_bank & 0xf0 ) << 4 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> ( (spf + 1) * 2 ) ) & 0x0f;
if( code >= layout_total(GFX_32X32_4BIT) ) {
logerror( "SZ_32X32: sprite=%d\n", code );
code = 0;
switch( size )
{
case SZ_8X8:
code = ( (int)m_sprite_bank << 8 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> ( (spf - 1) * 2 ) ) & 0x0f;
if( code >= layout_total(GFX_8X8_4BIT) )
{
logerror( "SZ_8X8: sprite=%d\n", code );
code = 0;
}
gfx(GFX_8X8_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x10000,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-8 )
gfx(GFX_8X8_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x10000,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-8 )
gfx(GFX_8X8_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x10000,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
case SZ_16X16:
code = ( ( (int)m_sprite_bank & 0xfc ) << 6 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> (spf * 2) ) & 0x0f;
if( code >= layout_total(GFX_16X16_4BIT) )
{
logerror( "SZ_8X8: sprite=%d\n", code );
code = 0;
}
gfx(GFX_16X16_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x4000,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-16 )
gfx(GFX_16X16_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x4000,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-16 )
gfx(GFX_16X16_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x4000,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
case SZ_32X32:
code = ( ( (int)m_sprite_bank & 0xf0 ) << 4 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> ( (spf + 1) * 2 ) ) & 0x0f;
if( code >= layout_total(GFX_32X32_4BIT) )
{
logerror( "SZ_32X32: sprite=%d\n", code );
code = 0;
}
gfx(GFX_32X32_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x1000,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-32 )
gfx(GFX_32X32_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x1000,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-32 )
gfx(GFX_32X32_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x1000,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
case SZ_64X64:
code = ( ( (int)m_sprite_bank & 0xc0 ) << 2 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> ( (spf + 1) * 2 ) ) & 0x0f;
if( code >= layout_total(GFX_64X64_4BIT) )
{
logerror( "SZ_64X64: sprite=%d\n", code );
code = 0;
}
gfx(GFX_64X64_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x400,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-64 )
gfx(GFX_64X64_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x400,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-64 )
gfx(GFX_64X64_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x400,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
default:
break;
}
gfx(GFX_32X32_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x1000,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-32 )
gfx(GFX_32X32_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x1000,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-32 )
gfx(GFX_32X32_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x1000,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
case SZ_64X64 :
code = ( ( (int)m_sprite_bank & 0xc0 ) << 2 ) | (int)sa->sn;
if (spf != 0)
color = ( code >> ( (spf + 1) * 2 ) ) & 0x0f;
if( code >= layout_total(GFX_64X64_4BIT) ) {
logerror( "SZ_64X64: sprite=%d\n", code );
code = 0;
}
gfx(GFX_64X64_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x400,
color,
flipx,flipy,
sx,sy,0x00);
// redraw with wrap-around
if( sx > 512-64 )
gfx(GFX_64X64_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x400,
color,
flipx,flipy,
sx-512,sy,0x00);
if( sy > 512-64 )
gfx(GFX_64X64_4BIT)->transpen(bitmap,spriteClip,
code+m_namcond1_gfxbank*0x400,
color,
flipx,flipy,
sx,sy-512,0x00);
// really should draw again for both wrapped!
// - ignore until someone thinks it's required
break;
default :
break;
}
}
#endif
@ -1241,9 +1246,9 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
m_tilemap_A = m_tilemap_A_cache_16[index];
m_tilemap_A->mark_all_dirty();
m_tilemap_A->set_transparent_pen(0 );
m_tilemap_A->set_transparent_pen(0);
// for NCV1 it's sufficient to scroll only columns
m_tilemap_A->set_scroll_cols(m_page_x );
m_tilemap_A->set_scroll_cols(m_page_x);
if (m_pattern_size == PTS_8X8 )
m_tilemap_B = m_tilemap_B_cache_8[index];
@ -1252,7 +1257,7 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
m_tilemap_B->mark_all_dirty();
// for NCV1 it's sufficient to scroll only columns
m_tilemap_B->set_scroll_cols(m_page_x );
m_tilemap_B->set_scroll_cols(m_page_x);
// now clear the screen in case we change to 1-plane mode
m_work_bitmap.fill(0, finalclip );
@ -1292,12 +1297,12 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
m_tilemap_A->enable(m_dspe == true);
if(m_md & MD_1PLANE )
m_tilemap_B->enable(0 );
m_tilemap_B->enable(0);
else
m_tilemap_B->enable(m_dspe == true);
m_tilemap_A ->mark_all_dirty();
m_tilemap_B ->mark_all_dirty();
m_tilemap_A->mark_all_dirty();
m_tilemap_B->mark_all_dirty();
/*
@ -1316,7 +1321,10 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
{
draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_B);
copybitmap( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip);
if(m_planeB_trans_enable == true)
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0);
else
copybitmap( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip);
}
// for some reason we can't use an opaque m_tilemap_A
@ -1324,15 +1332,19 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
// - look at why this is the case?!?
m_work_bitmap.fill(0, visarea );
if ((m_regs.s.r11 & r11_prm) == PRM_ASBDEX ||
(m_regs.s.r11 & r11_prm) == PRM_ASEBDX )
if (m_priority_mode == PRM_ASBDEX ||
m_priority_mode == PRM_ASEBDX )
draw_sprites(bitmap, finalclip);
draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_A);
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0);
if(m_planeA_trans_enable == true)
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0);
else
copybitmap( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip);
if ((m_regs.s.r11 & r11_prm) == PRM_SABDEX ||
(m_regs.s.r11 & r11_prm) == PRM_SEABDX)
if (m_priority_mode == PRM_SABDEX ||
m_priority_mode == PRM_SEABDX)
draw_sprites(bitmap,finalclip );
@ -2049,7 +2061,14 @@ WRITE8_MEMBER( ygv608_device::screen_ctrl_9_w )
}
}
// R#10R - screen control: mosaic & sprite
// R#10R - screen control 10: mosaic & sprite
/***
* xx-- ---- SPAx: Auxiliary bits of sprite attribute table (0=8x8 or no flip, 1=16x16 or flipy, 2=32x32 or flipx, 3=64x64 or flipx & y )
* --x- ---- SPAS: Auxiliary function select (0=SPAx selects sprite size, 1=SPAx selects flipping)
* ---x ---- SPRD: Sprite display disable
* ---- xx-- MCBx: Mosaic enable on plane B
* ---- --xx MCAx: Mosaic enable on plane A
***/
READ8_MEMBER( ygv608_device::screen_ctrl_10_r )
{
return (m_sprite_aux_reg << 6) | ((m_sprite_aux_mode == true) << 5) | ((m_sprite_disable == true) << 4)
@ -2059,15 +2078,34 @@ READ8_MEMBER( ygv608_device::screen_ctrl_10_r )
// R#10W - screen control: mosaic & sprite
WRITE8_MEMBER( ygv608_device::screen_ctrl_10_w )
{
m_sprite_aux_reg = (data & 0xc0) >> 6;
m_sprite_aux_mode = BIT(data, 5);
m_sprite_disable = BIT(data, 4);
// check mosaic
m_mosaic_aplane = data & 3;
m_mosaic_bplane = (data & 0xc) >> 2;
m_mosaic_aplane = data & 3;
if(m_mosaic_aplane || m_mosaic_bplane)
popmessage("Mosaic effect %02x %02x",m_mosaic_aplane,m_mosaic_bplane);
}
// R#11R - screen control 11
READ8_MEMBER( ygv608_device::screen_ctrl_11_r )
{
return (m_scm<<6)|(m_yse<<5)|(m_cbdr<<4)|
(m_priority_mode<<2)|(m_planeB_trans_enable<<1)|(m_planeA_trans_enable<<0);
}
// R#11W - screen control 11
WRITE8_MEMBER( ygv608_device::screen_ctrl_11_w )
{
/**/m_scm = (data >> 6) & 3;
/**/m_yse = BIT(data,5);
/**/m_cbdr = BIT(data,4);
m_priority_mode = (data >> 2) & 3;
m_planeB_trans_enable = BIT(data,1);
m_planeA_trans_enable = BIT(data,0);
m_sprite_disable = BIT(data, 4);
m_sprite_aux_mode = BIT(data, 5);
m_sprite_aux_reg = (data & 0xc0) >> 6;
}
// R#13W - border color

View File

@ -64,6 +64,8 @@ public:
DECLARE_WRITE8_MEMBER(screen_ctrl_9_w);
DECLARE_READ8_MEMBER(screen_ctrl_10_r);
DECLARE_WRITE8_MEMBER(screen_ctrl_10_w);
DECLARE_READ8_MEMBER(screen_ctrl_11_r);
DECLARE_WRITE8_MEMBER(screen_ctrl_11_w);
DECLARE_READ8_MEMBER(irq_mask_r);
DECLARE_WRITE8_MEMBER(irq_mask_w);
DECLARE_READ8_MEMBER(irq_ctrl_r);
@ -320,6 +322,13 @@ private:
uint8_t m_h_div_size; /**< SLH: size of horizontal division in screen division scrolling */
uint8_t m_v_div_size; /**< SLV: size of vertical division in screen division scrolling */
bool m_planeA_trans_enable; /**< CTPA: enable transparency for plane A */
bool m_planeB_trans_enable; /**< CTPA: enable transparency for plane B */
uint8_t m_priority_mode; /**< PRM: priority mode select */
bool m_cbdr; /**< CBDR: color bus terminals CB7 to 0 and SPRT */
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 */
// screen section
devcb_write_line m_vblank_handler;
devcb_write_line m_raster_handler;