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Port from MESS, nw

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This commit is contained in:
Angelo Salese 2011-08-02 20:28:54 +00:00
parent a9891fa66e
commit 04d8b21952
3 changed files with 86 additions and 24 deletions
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6
src/mame/drivers/saturn.c
View File

@ -1932,6 +1932,9 @@ static MACHINE_RESET( saturn )
state->m_scu.start_factor[0] = -1;
state->m_scu.start_factor[1] = -1;
state->m_scu.start_factor[2] = -1;
state->m_vdp2.old_crmd = -1;
state->m_vdp2.old_tvmd = -1;
}
@ -1962,6 +1965,9 @@ static MACHINE_RESET( stv )
state->m_scu.start_factor[0] = -1;
state->m_scu.start_factor[1] = -1;
state->m_scu.start_factor[2] = -1;
state->m_vdp2.old_crmd = -1;
state->m_vdp2.old_tvmd = -1;
}
struct cdrom_interface saturn_cdrom =

2
src/mame/includes/stv.h
View File

@ -72,6 +72,8 @@ public:
UINT16 v_count;
UINT8 exltfg;
UINT8 exsyfg;
int old_crmd;
int old_tvmd;
}m_vdp2;
struct {

102
src/mame/video/stvvdp2.c
View File

@ -1,6 +1,7 @@
/* Sega Saturn VDP2 */
#define DEBUG_MODE 0
#define TEST_FUNCTIONS 0
/*
@ -371,6 +372,8 @@ bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09
#define STV_VDP2_MZCTL ((state->m_vdp2_regs[0x020/4] >> 0)&0x0000ffff)
#define STV_VDP2_MZSZV ((STV_VDP2_MZCTL & 0xf000) >> 12)
#define STV_VDP2_MZSZH ((STV_VDP2_MZCTL & 0x0f00) >> 8)
#define STV_VDP2_R0MZE ((STV_VDP2_MZCTL & 0x0010) >> 4)
#define STV_VDP2_N3MZE ((STV_VDP2_MZCTL & 0x0008) >> 3)
#define STV_VDP2_N2MZE ((STV_VDP2_MZCTL & 0x0004) >> 2)
@ -2138,6 +2141,7 @@ static struct stv_vdp2_tilemap_capabilities
UINT8 window_control;
UINT8 line_screen_enabled;
UINT8 mosaic_screen_enabled;
// UINT8 real_map_offset[16];
@ -4234,6 +4238,38 @@ static void stv_vdp2_draw_line(running_machine &machine, bitmap_t *bitmap, const
}
}
static void stv_vdp2_draw_mosaic(running_machine &machine, bitmap_t *bitmap, const rectangle *cliprect, UINT8 is_roz)
{
saturn_state *state = machine.driver_data<saturn_state>();
int x,y,xi,yi;
UINT8 h_size,v_size;
UINT16 pix;
h_size = STV_VDP2_MZSZH+1;
v_size = STV_VDP2_MZSZV+1;
if(is_roz)
v_size = 1;
if(h_size == 1 && v_size == 1)
return; // don't bother
if(STV_VDP2_LSMD == 3)
v_size <<= 1;
for(y=cliprect->min_y;y<=cliprect->max_y;y+=v_size)
{
for(x=cliprect->min_x;x<=cliprect->max_x;x+=h_size)
{
pix = *BITMAP_ADDR16(bitmap, y,x);
for(yi=0;yi<v_size;yi++)
for(xi=0;xi<h_size;xi++)
*BITMAP_ADDR16(bitmap, y+yi, x+xi) = pix;
}
}
}
static void stv_vdp2_check_tilemap(running_machine &machine, bitmap_t *bitmap, const rectangle *cliprect)
{
/* the idea is here we check the tilemap capabilities / whats enabled and call an appropriate tilemap drawing routine, or
@ -4271,9 +4307,13 @@ static void stv_vdp2_check_tilemap(running_machine &machine, bitmap_t *bitmap, c
stv_vdp2_draw_basic_tilemap(machine, bitmap, &mycliprect);
}
if(stv2_current_tilemap.line_screen_enabled)
/* post-processing functions (TODO: needs layer bitmaps to be individual planes to work correctly) */
if(stv2_current_tilemap.line_screen_enabled && TEST_FUNCTIONS)
stv_vdp2_draw_line(machine,bitmap,cliprect);
if(stv2_current_tilemap.mosaic_screen_enabled && TEST_FUNCTIONS)
stv_vdp2_draw_mosaic(machine,bitmap,cliprect,stv2_current_tilemap.layer_name & 0x80);
{
/* Capcom Collection Dai 2 - Choh Makaimura (Duh!) */
@ -4281,15 +4321,17 @@ static void stv_vdp2_check_tilemap(running_machine &machine, bitmap_t *bitmap, c
popmessage("Mosaic control enabled = %04x\n",STV_VDP2_MZCTL);
/* Bio Hazard bit 1 */
/* Airs Adventure 0x3e */
if(STV_VDP2_LNCLEN & ~2)
popmessage("Line Colour screen enabled %04x %08x, contact MAMEdev",STV_VDP2_LNCLEN,STV_VDP2_LCTAU<<16|STV_VDP2_LCTAL);
/* Bio Hazard 0x400 = extended color calculation enabled */
/* Advanced World War 0x200 = color calculation ratio mode */
//if(STV_VDP2_CCCR & 0xf600)
if(STV_VDP2_CCCR & 0xf200)
if(STV_VDP2_CCCR & 0xf000)
popmessage("Gradation enabled %04x, contact MAMEdev",STV_VDP2_CCCR);
/* Advanced VG, Shining Force 3 */
/* Advanced VG, Shining Force III */
if(STV_VDP2_SFCCMD && 0)
popmessage("Special Color Calculation enable %04x, contact MAMEdev",STV_VDP2_SFCCMD);
@ -4299,19 +4341,26 @@ static void stv_vdp2_check_tilemap(running_machine &machine, bitmap_t *bitmap, c
if(STV_VDP2_SFSEL)
popmessage("Special Function Code Select enable %04x %04x, contact MAMEdev",STV_VDP2_SFSEL,STV_VDP2_SFCODE);
/* Albert Odyssey Gaiden 0x0001 */
/* Asuka 120% (doesn't make sense?) 0x0101 */
if(STV_VDP2_ZMCTL)
popmessage("Reduction enable %04x, contact MAMEdev",STV_VDP2_ZMCTL);
if(STV_VDP2_SCRCTL & 0x0101)
popmessage("Vertical cell scroll enable %04x, contact MAMEdev",STV_VDP2_SCRCTL);
if(STV_VDP2_WCTLD & 0x2606)
/* Magical Drop III 0x200 -> color calculation window */
if(STV_VDP2_WCTLD & 0x200a)
popmessage("Special window enabled %04x, contact MAMEdev",STV_VDP2_WCTLD);
/* Shining Force III, After Burner 2 (doesn't make a proper use tho?) */
if(STV_VDP2_W0LWE || STV_VDP2_W1LWE)
popmessage("Line Window %s enabled, contact MAMEdev",STV_VDP2_W0LWE ? "0" : "1");
popmessage("Line Window %s %08x enabled, contact MAMEdev",STV_VDP2_W0LWE ? "0" : "1",STV_VDP2_W0LWTA);
if(STV_VDP2_SFPRMD)
/* Akumajou Dracula, bits 2-4 */
/* Arcana Strikes bit 5*/
/* Choh Makai Mura 0x0055 */
if(STV_VDP2_SFPRMD & ~0x0055)
popmessage("Special Priority Mode enabled %04x, contact MAMEdev",STV_VDP2_SFPRMD);
}
}
@ -4794,8 +4843,9 @@ static void stv_vdp2_draw_NBG0(running_machine &machine, bitmap_t *bitmap, const
(STV_VDP2_N0SWA << 6);
stv2_current_tilemap.line_screen_enabled = STV_VDP2_N0LCEN;
stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N0MZE;
stv2_current_tilemap.layer_name=0;
stv2_current_tilemap.layer_name=(STV_VDP2_R1ON) ? 0x81 : 0;
if ( stv2_current_tilemap.enabled && (!(STV_VDP2_R1ON))) /* TODO: check cycle pattern for RBG1 */
{
@ -4894,6 +4944,7 @@ static void stv_vdp2_draw_NBG1(running_machine &machine, bitmap_t *bitmap, const
(STV_VDP2_N1SWA << 6);
stv2_current_tilemap.line_screen_enabled = STV_VDP2_N1LCEN;
stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N1MZE;
stv2_current_tilemap.layer_name=1;
@ -4996,6 +5047,7 @@ static void stv_vdp2_draw_NBG2(running_machine &machine, bitmap_t *bitmap, const
(STV_VDP2_N2SWA << 6);
stv2_current_tilemap.line_screen_enabled = STV_VDP2_N2LCEN;
stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N2MZE;
stv2_current_tilemap.layer_name=2;
@ -5099,6 +5151,7 @@ static void stv_vdp2_draw_NBG3(running_machine &machine, bitmap_t *bitmap, const
(STV_VDP2_N3SWA << 6);
stv2_current_tilemap.line_screen_enabled = STV_VDP2_N3LCEN;
stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N3MZE;
stv2_current_tilemap.layer_name=3;
@ -5373,6 +5426,7 @@ static void stv_vdp2_draw_RBG0(running_machine &machine, bitmap_t *bitmap, const
stv2_current_tilemap.linezoom_enable = 0;
stv2_current_tilemap.line_screen_enabled = STV_VDP2_R0LCEN;
stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_R0MZE;
/*Use 0x80 as a normal/rotate switch*/
stv2_current_tilemap.layer_name=0x80;
@ -5405,6 +5459,9 @@ static void stv_vdp2_draw_back(running_machine &machine, bitmap_t *bitmap, const
int x,y;
UINT8* gfxdata = state->m_vdp2.gfx_decode;
UINT32 base_offs,base_mask;
UINT8 interlace;
interlace = (STV_VDP2_LSMD == 3)+1;
//popmessage("Back screen %08x %08x %08x",STV_VDP2_BDCLMD,STV_VDP2_BKCLMD,STV_VDP2_BKTA);
@ -5419,7 +5476,7 @@ static void stv_vdp2_draw_back(running_machine &machine, bitmap_t *bitmap, const
{
base_offs = (STV_VDP2_BKTA & base_mask) << 1;
if(STV_VDP2_BKCLMD)
base_offs += (y << 1);
base_offs += ((y / interlace) << 1);
for(x=cliprect->min_x;x<=cliprect->max_x;x++)
{
@ -5583,12 +5640,13 @@ WRITE32_HANDLER ( saturn_vdp2_cram_w )
case 2:
case 3:
{
offset &= (0xfff) >> 3;
//offset &= (0xfff) >> 2;
b = ((state->m_vdp2_cram[offset] & 0x00ff0000) >> 16);
g = ((state->m_vdp2_cram[offset] & 0x0000ff00) >> 8);
r = ((state->m_vdp2_cram[offset] & 0x000000ff) >> 0);
palette_set_color(space->machine(),offset,MAKE_RGB(r,g,b));
palette_set_color(space->machine(),offset^0x400,MAKE_RGB(r,g,b));
}
break;
/*Mode 0*/
@ -5626,15 +5684,13 @@ static void refresh_palette_data(running_machine &machine)
case 2:
case 3:
{
for(bank=0;bank<2;bank++)
for(c_i=0;c_i<0x400;c_i++)
{
for(c_i=0;c_i<0x400;c_i++)
{
b = ((state->m_vdp2_cram[c_i] & 0x00ff0000) >> 16);
g = ((state->m_vdp2_cram[c_i] & 0x0000ff00) >> 8);
r = ((state->m_vdp2_cram[c_i] & 0x000000ff) >> 0);
palette_set_color(machine,c_i+bank*0x400,MAKE_RGB(r,g,b));
}
b = ((state->m_vdp2_cram[c_i] & 0x00ff0000) >> 16);
g = ((state->m_vdp2_cram[c_i] & 0x0000ff00) >> 8);
r = ((state->m_vdp2_cram[c_i] & 0x000000ff) >> 0);
palette_set_color(machine,c_i,MAKE_RGB(r,g,b));
palette_set_color(machine,c_i+0x400,MAKE_RGB(r,g,b));
}
}
break;
@ -5678,18 +5734,16 @@ static void refresh_palette_data(running_machine &machine)
WRITE32_HANDLER ( saturn_vdp2_regs_w )
{
saturn_state *state = space->machine().driver_data<saturn_state>();
static UINT8 old_crmd;
static UINT16 old_tvmd;
COMBINE_DATA(&state->m_vdp2_regs[offset]);
if(old_crmd != STV_VDP2_CRMD)
if(state->m_vdp2.old_crmd != STV_VDP2_CRMD)
{
old_crmd = STV_VDP2_CRMD;
state->m_vdp2.old_crmd = STV_VDP2_CRMD;
refresh_palette_data(space->machine());
}
if(old_tvmd != STV_VDP2_TVMD)
if(state->m_vdp2.old_tvmd != STV_VDP2_TVMD)
{
old_tvmd = STV_VDP2_TVMD;
state->m_vdp2.old_tvmd = STV_VDP2_TVMD;
stv_vdp2_dynamic_res_change(space->machine());
}
}
@ -5841,7 +5895,7 @@ static int stv_vdp2_start (running_machine &machine)
machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(stv_vdp2_exit), &machine));
state->m_vdp2_regs = auto_alloc_array_clear(machine, UINT32, 0x040000/4 );
state->m_vdp2_vram = auto_alloc_array_clear(machine, UINT32, 0x100000/4 ); // actually we only need half of it since we don't emulate extra 4mbit ram cart.
state->m_vdp2_vram = auto_alloc_array_clear(machine, UINT32, 0x100000/4 );
state->m_vdp2_cram = auto_alloc_array_clear(machine, UINT32, 0x080000/4 );
state->m_vdp2.gfx_decode = auto_alloc_array(machine, UINT8, 0x100000 );