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blockout.cpp : Updates

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Simplify handlers, Use palette format for palette, Fix / Cleanup some drawing behavior, Fix namings, Fix spacings, Reduce unnecessary lines, Unnecessary pointers, Use shorter / correct type values
This commit is contained in:
cam900 2019-05-07 09:53:35 +09:00
parent 610897fd38
commit e72043f0d4
3 changed files with 67 additions and 95 deletions
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23
src/mame/drivers/blockout.cpp
View File

@ -107,13 +107,13 @@ void blockout_state::main_map(address_map &map)
map(0x100012, 0x100013).w(FUNC(blockout_state::blockout_irq5_ack_w)); map(0x100012, 0x100013).w(FUNC(blockout_state::blockout_irq5_ack_w));
map(0x100015, 0x100015).w(m_soundlatch, FUNC(generic_latch_8_device::write)); map(0x100015, 0x100015).w(m_soundlatch, FUNC(generic_latch_8_device::write));
map(0x100016, 0x100017).nopw(); /* don't know, maybe reset sound CPU */ map(0x100016, 0x100017).nopw(); /* don't know, maybe reset sound CPU */
map(0x180000, 0x1bffff).ram().w(FUNC(blockout_state::blockout_videoram_w)).share("videoram"); map(0x180000, 0x1bffff).rw(FUNC(blockout_state::videoram_r), FUNC(blockout_state::videoram_w)).share("videoram");
map(0x1d4000, 0x1dffff).ram(); /* work RAM */ map(0x1d4000, 0x1dffff).ram(); /* work RAM */
map(0x1f4000, 0x1fffff).ram(); /* work RAM */ map(0x1f4000, 0x1fffff).ram(); /* work RAM */
map(0x200000, 0x207fff).ram().share("frontvideoram"); map(0x200000, 0x207fff).ram().share("frontvideoram");
map(0x208000, 0x21ffff).ram(); /* ??? */ map(0x208000, 0x21ffff).ram(); /* ??? */
map(0x280002, 0x280003).w(FUNC(blockout_state::blockout_frontcolor_w)); map(0x280002, 0x280003).w(FUNC(blockout_state::frontcolor_w));
map(0x280200, 0x2805ff).ram().w(FUNC(blockout_state::blockout_paletteram_w)).share("paletteram"); map(0x280200, 0x2805ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
} }
void blockout_state::agress_map(address_map &map) void blockout_state::agress_map(address_map &map)
@ -128,13 +128,13 @@ void blockout_state::agress_map(address_map &map)
map(0x100012, 0x100013).w(FUNC(blockout_state::blockout_irq5_ack_w)); map(0x100012, 0x100013).w(FUNC(blockout_state::blockout_irq5_ack_w));
map(0x100015, 0x100015).w(m_soundlatch, FUNC(generic_latch_8_device::write)); map(0x100015, 0x100015).w(m_soundlatch, FUNC(generic_latch_8_device::write));
map(0x100016, 0x100017).nopw(); /* don't know, maybe reset sound CPU */ map(0x100016, 0x100017).nopw(); /* don't know, maybe reset sound CPU */
map(0x180000, 0x1bffff).ram().w(FUNC(blockout_state::blockout_videoram_w)).share("videoram"); map(0x180000, 0x1bffff).rw(FUNC(blockout_state::videoram_r), FUNC(blockout_state::videoram_w)).share("videoram");
map(0x1d4000, 0x1dffff).ram(); /* work RAM */ map(0x1d4000, 0x1dffff).ram(); /* work RAM */
map(0x1f4000, 0x1fffff).ram(); /* work RAM */ map(0x1f4000, 0x1fffff).ram(); /* work RAM */
map(0x200000, 0x207fff).ram().share("frontvideoram"); map(0x200000, 0x207fff).ram().share("frontvideoram");
map(0x208000, 0x21ffff).ram(); /* ??? */ map(0x208000, 0x21ffff).ram(); /* ??? */
map(0x280002, 0x280003).w(FUNC(blockout_state::blockout_frontcolor_w)); map(0x280002, 0x280003).w(FUNC(blockout_state::frontcolor_w));
map(0x280200, 0x2805ff).ram().w(FUNC(blockout_state::blockout_paletteram_w)).share("paletteram"); map(0x280200, 0x2805ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
} }
void blockout_state::audio_map(address_map &map) void blockout_state::audio_map(address_map &map)
@ -297,10 +297,10 @@ TIMER_DEVICE_CALLBACK_MEMBER(blockout_state::blockout_scanline)
{ {
int scanline = param; int scanline = param;
if(scanline == 250) // vblank-out irq if (scanline == 250) // vblank-out irq
m_maincpu->set_input_line(6, ASSERT_LINE); m_maincpu->set_input_line(6, ASSERT_LINE);
if(scanline == 0) // vblank-in irq or directly tied to coin inputs (TODO: check) if (scanline == 0) // vblank-in irq or directly tied to coin inputs (TODO: check)
m_maincpu->set_input_line(5, ASSERT_LINE); m_maincpu->set_input_line(5, ASSERT_LINE);
} }
@ -314,15 +314,14 @@ void blockout_state::blockout(machine_config &config)
Z80(config, m_audiocpu, AUDIO_CLOCK); /* 3.579545 MHz */ Z80(config, m_audiocpu, AUDIO_CLOCK); /* 3.579545 MHz */
m_audiocpu->set_addrmap(AS_PROGRAM, &blockout_state::audio_map); m_audiocpu->set_addrmap(AS_PROGRAM, &blockout_state::audio_map);
/* video hardware */ /* video hardware */
SCREEN(config, m_screen, SCREEN_TYPE_RASTER); SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
/* assume same as ddragon3 with adjusted visible display area */ /* assume same as ddragon3 with adjusted visible display area */
m_screen->set_raw(XTAL(28'000'000) / 4, 448, 0, 320, 272, 10, 250); m_screen->set_raw(XTAL(28'000'000) / 4, 448, 0, 320, 272, 10, 250);
m_screen->set_screen_update(FUNC(blockout_state::screen_update_blockout)); m_screen->set_screen_update(FUNC(blockout_state::screen_update));
m_screen->set_palette(m_palette); m_screen->set_palette(m_palette);
PALETTE(config, m_palette).set_entries(513); PALETTE(config, m_palette).set_format(2, &blockout_state::blockout_xBGR_444, 513);
/* sound hardware */ /* sound hardware */
SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "lspeaker").front_left();
@ -451,7 +450,7 @@ void blockout_state::init_agress()
* For now let's use D and just patch the TRACE exception that causes the bogus mirror check * For now let's use D and just patch the TRACE exception that causes the bogus mirror check
*/ */
uint16_t *rom = (uint16_t *)memregion("maincpu")->base(); u16 *rom = (u16 *)memregion("maincpu")->base();
rom[0x82/2] = 0x2700; rom[0x82/2] = 0x2700;
} }

21
src/mame/includes/blockout.h
View File

@ -17,9 +17,8 @@ class blockout_state : public driver_device
public: public:
blockout_state(const machine_config &mconfig, device_type type, const char *tag) blockout_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag), : driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"), m_videoram(*this, "videoram", 16),
m_frontvideoram(*this, "frontvideoram"), m_frontvideoram(*this, "frontvideoram"),
m_paletteram(*this, "paletteram"),
m_maincpu(*this, "maincpu"), m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"), m_audiocpu(*this, "audiocpu"),
m_screen(*this, "screen"), m_screen(*this, "screen"),
@ -27,13 +26,12 @@ public:
m_soundlatch(*this, "soundlatch") { } m_soundlatch(*this, "soundlatch") { }
/* memory pointers */ /* memory pointers */
required_shared_ptr<uint16_t> m_videoram; required_shared_ptr<u8> m_videoram;
required_shared_ptr<uint16_t> m_frontvideoram; required_shared_ptr<u16> m_frontvideoram;
required_shared_ptr<uint16_t> m_paletteram;
/* video-related */ /* video-related */
bitmap_ind16 m_tmpbitmap; bitmap_ind16 m_tmpbitmap;
uint16_t m_color; u16 m_color;
/* devices */ /* devices */
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
@ -45,17 +43,16 @@ public:
DECLARE_WRITE_LINE_MEMBER(irq_handler); DECLARE_WRITE_LINE_MEMBER(irq_handler);
DECLARE_WRITE16_MEMBER(blockout_irq6_ack_w); DECLARE_WRITE16_MEMBER(blockout_irq6_ack_w);
DECLARE_WRITE16_MEMBER(blockout_irq5_ack_w); DECLARE_WRITE16_MEMBER(blockout_irq5_ack_w);
DECLARE_WRITE16_MEMBER(blockout_paletteram_w); void frontcolor_w(offs_t offset, u16 data, u16 mem_mask = ~0);
DECLARE_WRITE16_MEMBER(blockout_frontcolor_w); u8 videoram_r(offs_t offset);
DECLARE_WRITE16_MEMBER(blockout_videoram_w); void videoram_w(offs_t offset, u8 data);
void init_agress(); void init_agress();
virtual void machine_start() override; virtual void machine_start() override;
virtual void machine_reset() override; virtual void machine_reset() override;
virtual void video_start() override; virtual void video_start() override;
uint32_t screen_update_blockout(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); u32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(blockout_scanline); TIMER_DEVICE_CALLBACK_MEMBER(blockout_scanline);
void setcolor( int color, int rgb ); static rgb_t blockout_xBGR_444(u32 raw);
void update_pixels( int x, int y );
void blockout(machine_config &config); void blockout(machine_config &config);
void agress(machine_config &config); void agress(machine_config &config);
void agress_map(address_map &map); void agress_map(address_map &map);

118
src/mame/video/blockout.cpp
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@ -10,50 +10,39 @@
#include "includes/blockout.h" #include "includes/blockout.h"
void blockout_state::setcolor( int color, int rgb ) rgb_t blockout_state::blockout_xBGR_444(u32 raw)
{ {
int bit0, bit1, bit2, bit3;
int r, g, b;
/* red component */ /* red component */
bit0 = (rgb >> 0) & 0x01; u8 bit0 = (raw >> 0) & 0x01;
bit1 = (rgb >> 1) & 0x01; u8 bit1 = (raw >> 1) & 0x01;
bit2 = (rgb >> 2) & 0x01; u8 bit2 = (raw >> 2) & 0x01;
bit3 = (rgb >> 3) & 0x01; u8 bit3 = (raw >> 3) & 0x01;
r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; const u8 r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
/* green component */ /* green component */
bit0 = (rgb >> 4) & 0x01; bit0 = (raw >> 4) & 0x01;
bit1 = (rgb >> 5) & 0x01; bit1 = (raw >> 5) & 0x01;
bit2 = (rgb >> 6) & 0x01; bit2 = (raw >> 6) & 0x01;
bit3 = (rgb >> 7) & 0x01; bit3 = (raw >> 7) & 0x01;
g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; const u8 g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
/* blue component */ /* blue component */
bit0 = (rgb >> 8) & 0x01; bit0 = (raw >> 8) & 0x01;
bit1 = (rgb >> 9) & 0x01; bit1 = (raw >> 9) & 0x01;
bit2 = (rgb >> 10) & 0x01; bit2 = (raw >> 10) & 0x01;
bit3 = (rgb >> 11) & 0x01; bit3 = (raw >> 11) & 0x01;
b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; const u8 b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
m_palette->set_pen_color(color, rgb_t(r,g,b)); return rgb_t(r, g, b);
} }
WRITE16_MEMBER(blockout_state::blockout_paletteram_w) void blockout_state::frontcolor_w(offs_t offset, u16 data, u16 mem_mask)
{
COMBINE_DATA(&m_paletteram[offset]);
setcolor(offset, m_paletteram[offset]);
}
WRITE16_MEMBER(blockout_state::blockout_frontcolor_w)
{ {
COMBINE_DATA(&m_color); COMBINE_DATA(&m_color);
setcolor(512, m_color); m_palette->set_pen_color(512, blockout_xBGR_444(m_color));
} }
/*************************************************************************** /***************************************************************************
Start the video hardware emulation. Start the video hardware emulation.
@ -62,65 +51,52 @@ WRITE16_MEMBER(blockout_state::blockout_frontcolor_w)
void blockout_state::video_start() void blockout_state::video_start()
{ {
/* Allocate temporary bitmaps */ /* Allocate temporary bitmaps */
m_screen->register_screen_bitmap(m_tmpbitmap); m_tmpbitmap.allocate(512, 256);
const rectangle clip(0, 511, 0, 255);
m_tmpbitmap.fill(0x100, clip);
save_item(NAME(m_tmpbitmap)); save_item(NAME(m_tmpbitmap));
} }
void blockout_state::update_pixels( int x, int y ) u8 blockout_state::videoram_r(offs_t offset)
{ {
uint16_t front, back; return m_videoram[offset];
int color; }
const rectangle &visarea = m_screen->visible_area();
if (!visarea.contains(x, y)) void blockout_state::videoram_w(offs_t offset, u8 data)
return; {
if (m_videoram[offset] != data)
{
m_videoram[offset] = data;
const u16 x = offset & 0x1ff;
const u16 y = (offset >> 9) & 0xff;
u16 color;
front = m_videoram[y * 256 + x / 2]; const u8 front = m_videoram[(y << 9) | x];
back = m_videoram[0x10000 + y * 256 + x / 2]; const u8 back = m_videoram[0x20000 | (y << 9) | x];
if (front >> 8) if (front)
color = front >> 8; color = front;
else else
color = (back >> 8) + 256; color = back | 0x100;
m_tmpbitmap.pix16(y, x) = color; m_tmpbitmap.pix16(y, x) = color;
}
if (front & 0xff)
color = front & 0xff;
else
color = (back & 0xff) + 256;
m_tmpbitmap.pix16(y, x + 1) = color;
} }
u32 blockout_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
WRITE16_MEMBER(blockout_state::blockout_videoram_w)
{ {
COMBINE_DATA(&m_videoram[offset]);
update_pixels((offset % 256) * 2, (offset / 256) % 256);
}
uint32_t blockout_state::screen_update_blockout(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int x, y;
pen_t color = 512; pen_t color = 512;
copybitmap(bitmap, m_tmpbitmap, 0, 0, 0, 0, cliprect); copybitmap(bitmap, m_tmpbitmap, 0, 0, 0, 0, cliprect);
for (y = 0; y < 256; y++) for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
{ {
for (x = 0; x < 320; x += 8) for (int x = cliprect.min_x; x <= cliprect.max_x; x++)
{ {
int d = m_frontvideoram[y * 64 + (x / 8)]; const u16 d = m_frontvideoram[((y & 0xff) << 6) + ((x & 0x1ff) >> 3)];
int xi; if (d & (1 << (7 - (x & 7))))
for(xi=0;xi<8;xi++) bitmap.pix16(y, x) = color;
{
if(d & 1 << (7-xi))
bitmap.pix16(y, x + xi) = color;
}
} }
} }