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Added basic scene hook-up and RGB brightness control, fixes credit display too

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This commit is contained in:
Angelo Salese 2013-03-02 14:44:44 +00:00
parent b3486955c1
commit a6b43794ad
1 changed files with 107 additions and 30 deletions
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137
src/mame/drivers/gunpey.c
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@ -210,6 +210,7 @@ public:
DECLARE_WRITE8_MEMBER(gunpey_blitter_w);
DECLARE_WRITE8_MEMBER(gunpey_output_w);
DECLARE_WRITE16_MEMBER(gunpey_vram_bank_w);
DECLARE_WRITE16_MEMBER(gunpey_vregs_addr_w);
DECLARE_DRIVER_INIT(gunpey);
virtual void video_start();
virtual void palette_init();
@ -217,9 +218,9 @@ public:
TIMER_DEVICE_CALLBACK_MEMBER(gunpey_scanline);
TIMER_CALLBACK_MEMBER(blitter_end);
void gunpey_irq_check(UINT8 irq_type);
UINT8 draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,const rectangle &cliprect,int count);
UINT8 draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,const rectangle &cliprect,int count,UINT8 scene_gradient);
UINT16 m_vram_bank;
UINT16 m_vreg_addr;
//UINT16 main_vram[0x800][0x800];
};
@ -230,7 +231,7 @@ void gunpey_state::video_start()
m_blit_buffer = auto_alloc_array(machine(), UINT16, 512*512);
}
UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,const rectangle &cliprect,int count)
UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,const rectangle &cliprect,int count,UINT8 scene_gradient)
{
int x,y;
int bpp_sel;
@ -241,7 +242,7 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
// do they get decompressed at blit time instead? of are there other registers we need to look at
// +0 +1 +2 +3 +4 +5 +6 +7
// cccc cccc e--b b--- | xxxx x--- u--t tttt | yyyy yy-- --XX XXXX | nnnn nnnn ---Y YYYY | mmmm mmmm -MMM -NNN | hhhh hhhh wwww wwww | ---- ---- oooo oooo | pppp pppp ---- ---- |
// cccc cccc e--b b--- | xxxx x--- u--t tttt | yyyy yy-- --XX XXXX | nnnn nnnn ---Y YYYY | mmmm mmmm -MMM -NNN | hhhh hhhh wwww wwww | ---- ---- oooo oooo | pppp pppp ---- ---- |
// c = color palette
// e = END marker
@ -291,15 +292,15 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
// UINT8 testhack = vram[((((ysource+0)&0x7ff)*0x800) + ((xsource+0)&0x7ff))];
// UINT8 testhack2 = vram[((((ysource+0)&0x7ff)*0x800) + ((xsource+1)&0x7ff))];
//if (m_wram[count+1] & 0x0010)
//if (m_wram[count+1] & 0x0010)
// color = machine.rand()&0xf;
UINT16 unused;
if (debug) printf("sprite %04x %04x %04x %04x %04x %04x %04x %04x\n", m_wram[count+0], m_wram[count+1], m_wram[count+2], m_wram[count+3], m_wram[count+4], m_wram[count+5], m_wram[count+6], m_wram[count+7]);
unused = m_wram[count+0]&~0xff98; if (unused) printf("unused bits set in word 0 - %04x\n", unused);
unused = m_wram[count+1]&~0xf89f; if (unused) printf("unused bits set in word 1 - %04x\n", unused);
unused = m_wram[count+2]&~0xfc3f; if (unused) printf("unused bits set in word 2 - %04x\n", unused);
@ -308,7 +309,7 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
unused = m_wram[count+5]&~0xffff; if (unused) printf("unused bits set in word 5 - %04x\n", unused);
unused = m_wram[count+6]&~0x00ff; if (unused) printf("unused bits set in word 6 - %04x\n", unused);
unused = m_wram[count+7]&~0xff00; if (unused) printf("unused bits set in word 7 - %04x\n", unused);
if ((zoomwidth != sourcewidth) || (zoomheight!= zoomheight))
{
//printf("zoomed widths %02x %02x heights %02x %02x\n", sourcewidth, zoomwidth, sourceheight, zoomheight);
@ -338,8 +339,27 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
color_data = (vram[col_offs])|(vram[col_offs+1]<<8);
if(!(color_data & 0x8000))
{
if(scene_gradient & 0x40)
{
int r,g,b;
r = (color_data & 0x7c00) >> 10;
g = (color_data & 0x03e0) >> 5;
b = (color_data & 0x001f) >> 0;
r-= (scene_gradient & 0x1f);
g-= (scene_gradient & 0x1f);
b-= (scene_gradient & 0x1f);
if(r < 0) r = 0;
if(g < 0) g = 0;
if(b < 0) b = 0;
color_data = (color_data & 0x8000) | (r << 10) | (g << 5) | (b << 0);
}
if(cliprect.contains(x+(xi*2), y+yi))
bitmap.pix16(y+yi, x+(xi*2)) = color_data & 0x7fff;
}
pix = (data & 0xf0)>>4;
col_offs = ((pix + color*0x10) & 0xff) << 1;
@ -347,8 +367,27 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
color_data = (vram[col_offs])|(vram[col_offs+1]<<8);
if(!(color_data & 0x8000))
{
if(scene_gradient & 0x40)
{
int r,g,b;
r = (color_data & 0x7c00) >> 10;
g = (color_data & 0x03e0) >> 5;
b = (color_data & 0x001f) >> 0;
r-= (scene_gradient & 0x1f);
g-= (scene_gradient & 0x1f);
b-= (scene_gradient & 0x1f);
if(r < 0) r = 0;
if(g < 0) g = 0;
if(b < 0) b = 0;
color_data = (color_data & 0x8000) | (r << 10) | (g << 5) | (b << 0);
}
if(cliprect.contains(x+1+(xi*2), y+yi))
bitmap.pix16(y+yi, x+1+(xi*2)) = color_data & 0x7fff;
}
}
}
}
@ -389,8 +428,27 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
color_data = (vram[col_offs])|(vram[col_offs+1]<<8);
if(!(color_data & 0x8000))
if(cliprect.contains(x+xi, y+yi))
bitmap.pix16(y+yi, x+xi) = color_data & 0x7fff;
{
if(scene_gradient & 0x40)
{
int r,g,b;
r = (color_data & 0x7c00) >> 10;
g = (color_data & 0x03e0) >> 5;
b = (color_data & 0x001f) >> 0;
r-= (scene_gradient & 0x1f);
g-= (scene_gradient & 0x1f);
b-= (scene_gradient & 0x1f);
if(r < 0) r = 0;
if(g < 0) g = 0;
if(b < 0) b = 0;
color_data = (color_data & 0x8000) | (r << 10) | (g << 5) | (b << 0);
}
if(cliprect.contains(x+xi, y+yi))
bitmap.pix16(y+yi, x+xi) = color_data & 0x7fff;
}
}
}
}
@ -407,26 +465,46 @@ UINT8 gunpey_state::draw_gfx(running_machine &machine, bitmap_ind16 &bitmap,cons
UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
//UINT16 *blit_buffer = m_blit_buffer;
int count;
UINT16 vram_bank = m_vram_bank & 0x7fff;
UINT16 vreg_addr = m_vreg_addr & 0x7fff;
UINT8 end_mark;
int count;
int scene_index;
bitmap.fill(machine().pens[0], cliprect); //black pen
/* last 4 entries are special, skip them for now. */
for(count = vram_bank/2;count<(vram_bank+0x1000)/2;count+=0x10/2)
if((!(m_vreg_addr & 0x8000)) || (!(m_vram_bank & 0x8000)))
return 0;
for(scene_index = vreg_addr/2;scene_index<(vreg_addr+0x400)/2;scene_index+=0x10/2)
{
end_mark = draw_gfx(screen.machine(), bitmap,cliprect,count);
UINT16 start_offs;
UINT16 end_offs;
UINT8 scene_end_mark;
UINT8 scene_enabled;
UINT8 scene_gradient;
if(end_mark == 0x80)
break;
}
start_offs = (vram_bank+(m_wram[scene_index+5] << 8))/2;
end_offs = (vram_bank+(m_wram[scene_index+5] << 8)+0x1000)/2; //safety check
scene_end_mark = m_wram[scene_index+0] & 0x80;
scene_enabled = m_wram[scene_index+0] & 0x01;
scene_gradient = m_wram[scene_index+1] & 0xff;
for(count = (vram_bank+0x1000)/2;count<(vram_bank+0x2000)/2;count+=0x10/2)
{
end_mark = draw_gfx(screen.machine(), bitmap,cliprect,count);
// printf("%08x: %08x %08x %08x %08x | %08x %08x %08x %08x\n",scene_index,m_wram[scene_index+0],m_wram[scene_index+1],m_wram[scene_index+2],m_wram[scene_index+3],
// m_wram[scene_index+4],m_wram[scene_index+5],m_wram[scene_index+6],m_wram[scene_index+7]);
if(end_mark == 0x80)
if(scene_enabled)
{
for(count = start_offs;count<end_offs;count+=0x10/2)
{
end_mark = draw_gfx(screen.machine(), bitmap,cliprect,count,scene_gradient);
if(end_mark == 0x80)
break;
}
}
if(scene_end_mark == 0x80)
break;
}
@ -567,6 +645,11 @@ WRITE16_MEMBER(gunpey_state::gunpey_vram_bank_w)
COMBINE_DATA(&m_vram_bank);
}
WRITE16_MEMBER(gunpey_state::gunpey_vregs_addr_w)
{
COMBINE_DATA(&m_vreg_addr);
}
/***************************************************************************************/
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 16, gunpey_state )
@ -587,6 +670,7 @@ static ADDRESS_MAP_START( io_map, AS_IO, 16, gunpey_state )
AM_RANGE(0x7fc8, 0x7fc9) AM_READWRITE8(gunpey_status_r, gunpey_status_w, 0xffff )
AM_RANGE(0x7fd0, 0x7fdf) AM_WRITE8(gunpey_blitter_w, 0xffff )
//AM_RANGE(0x7FF0, 0x7FF1) AM_RAM
AM_RANGE(0x7fec, 0x7fed) AM_WRITE(gunpey_vregs_addr_w)
AM_RANGE(0x7fee, 0x7fef) AM_WRITE(gunpey_vram_bank_w)
ADDRESS_MAP_END
@ -785,14 +869,7 @@ ROM_END
DRIVER_INIT_MEMBER(gunpey_state,gunpey)
{
// UINT8 *rom = memregion("maincpu")->base();
/* patch SLOOOOW cycle checks ... */
// rom[0x848b5] = 0x7e;
// rom[0x848b6] = 0x03;
// rom[0x89657] = 0x75;
// rom[0x8e628] = 0x75;
// ...
}
GAME( 2000, gunpey, 0, gunpey, gunpey, gunpey_state, gunpey, ROT0, "Banpresto", "Gunpey",GAME_NOT_WORKING)
GAME( 2000, gunpey, 0, gunpey, gunpey, gunpey_state, gunpey, ROT0, "Banpresto", "Gunpey (Japan)",GAME_NOT_WORKING)