summaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
author David Haywood <28625134+DavidHaywood@users.noreply.github.com>2019-11-10 22:00:09 +0000
committer Robert <Robbbert@users.noreply.github.com>2019-11-11 09:00:09 +1100
commit74155c31bf14a3a64e5793ed8eaf391096bd6e9f (patch)
tree3ef9e63236a32383404985f41e81aae6fb78cb7e
parent072b6b4e6387d839082ef8453195d363a22aae79 (diff)
continued Elan (Plug & Play) refactoring (#5882)
* elan code refactoring (nw) * save the obvious (nw) * continued refactoring (nw) * elan refactoring (nw) * continued refactor (nw) * continued elan refactoring (nw)
-rw-r--r--src/mame/audio/elan_eu3a05.cpp129
-rw-r--r--src/mame/audio/elan_eu3a05.h18
-rw-r--r--src/mame/drivers/elan_eu3a05.cpp14
-rw-r--r--src/mame/drivers/elan_eu3a14.cpp64
-rw-r--r--src/mame/video/elan_eu3a05vid.cpp45
-rw-r--r--src/mame/video/elan_eu3a05vid.h52
-rw-r--r--src/mame/video/elan_eu3a14vid.cpp258
-rw-r--r--src/mame/video/elan_eu3a14vid.h64
8 files changed, 349 insertions, 295 deletions
diff --git a/src/mame/audio/elan_eu3a05.cpp b/src/mame/audio/elan_eu3a05.cpp
index b80258f32f0..9d4d3bc5f89 100644
--- a/src/mame/audio/elan_eu3a05.cpp
+++ b/src/mame/audio/elan_eu3a05.cpp
@@ -19,12 +19,38 @@ DEFINE_DEVICE_TYPE(ELAN_EU3A05_SOUND, elan_eu3a05_sound_device, "elan_eu3a05soun
elan_eu3a05_sound_device::elan_eu3a05_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, ELAN_EU3A05_SOUND, tag, owner, clock),
device_sound_interface(mconfig, *this),
+ device_memory_interface(mconfig, *this),
+ m_space_config("regs", ENDIANNESS_NATIVE, 8, 6, 0, address_map_constructor(FUNC(elan_eu3a05_sound_device::map), this)),
m_stream(nullptr),
m_space_read_cb(*this),
m_sound_end_cb{ { *this }, { *this }, { *this }, { *this }, { *this }, { *this } }
{
}
+device_memory_interface::space_config_vector elan_eu3a05_sound_device::memory_space_config() const
+{
+ return space_config_vector {
+ std::make_pair(0, &m_space_config)
+ };
+}
+
+void elan_eu3a05_sound_device::map(address_map &map)
+{
+ map(0x00, 0x3f).rw(FUNC(elan_eu3a05_sound_device::read_unmapped), FUNC(elan_eu3a05_sound_device::write_unmapped));
+
+ map(0x00, 0x11).rw(FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_addr_r), FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_addr_w)); // 6 * 24-bit (3 byte) channel addresses
+ map(0x12, 0x23).rw(FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_size_r), FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_size_w)); // 6 * 24-bit (3 byte) channel lengths
+ map(0x24, 0x24).rw(FUNC(elan_eu3a05_sound_device::reg50a4_r), FUNC(elan_eu3a05_sound_device::reg50a4_w)); // unknown TODO
+ map(0x25, 0x25).rw(FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_trigger_r), FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_trigger_w));
+ map(0x26, 0x27).rw(FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_volume_r), FUNC(elan_eu3a05_sound_device::elan_eu3a05_sound_volume_w)); // 0x26 = volume channels 0,1,2,3 0x27 = volume channels 5,6 (lunar rescue sets 0x03 0x00 and just uses a single channel)
+ map(0x28, 0x28).r(FUNC(elan_eu3a05_sound_device::elan_eu3a05_50a8_r)); // stopped status? (read only?)
+ map(0x29, 0x29).rw(FUNC(elan_eu3a05_sound_device::reg50a9_r), FUNC(elan_eu3a05_sound_device::reg50a9_w)); // IRQ mask?
+
+ // no other reads/writes seen?
+}
+
+
+
void elan_eu3a05_sound_device::device_start()
{
m_space_read_cb.resolve_safe(0);
@@ -40,7 +66,7 @@ void elan_eu3a05_sound_device::device_start()
save_item(NAME(m_sound_trigger));
save_item(NAME(m_sound_unk));
save_item(NAME(m_volumes));
- save_item(NAME(m_5024));
+ save_item(NAME(m_50a4));
save_item(NAME(m_50a9));
}
@@ -61,7 +87,7 @@ void elan_eu3a05_sound_device::device_reset()
m_volumes[0] = 0xff;
m_volumes[1] = 0x0f;
- m_5024 = 0x00;
+ m_50a4 = 0x00;
m_50a9 = 0x00;
}
@@ -104,7 +130,9 @@ void elan_eu3a05_sound_device::sound_stream_update(sound_stream &stream, stream_
m_sound_current_nib_pos[channel] = 0;
m_isstopped |= (1 << channel);
- m_sound_end_cb[channel](1); // generate interrupt based on which channel just stopped?
+ // maybe, seems to match the system IRQ mask when the sound interrupts are enabled?
+ if (m_50a9 & (1 << channel))
+ m_sound_end_cb[channel](1); // generate interrupt based on which channel just stopped?
}
}
else
@@ -310,96 +338,13 @@ WRITE8_MEMBER(elan_eu3a05_sound_device::elan_eu3a05_sound_volume_w)
m_volumes[offset] = data;
}
-WRITE8_MEMBER(elan_eu3a05_sound_device::write)
+READ8_MEMBER(elan_eu3a05_sound_device::read_unmapped)
{
- switch (offset)
- {
- case 0x00: case 0x01: case 0x02: // channel 0 address
- case 0x03: case 0x04: case 0x05: // channel 1 address
- case 0x06: case 0x07: case 0x08: // channel 2 address
- case 0x09: case 0x0a: case 0x0b: // channel 3 address
- case 0x0c: case 0x0d: case 0x0e: // channel 4 address
- case 0x0f: case 0x10: case 0x11: // channel 5 address
- elan_eu3a05_sound_addr_w(space, offset, data);
- break;
-
- case 0x12: case 0x13: case 0x14: // channel 0 length
- case 0x15: case 0x16: case 0x17: // channel 1 length
- case 0x18: case 0x19: case 0x1a: // channel 2 length
- case 0x1b: case 0x1c: case 0x1d: // channel 3 length
- case 0x1e: case 0x1f: case 0x20: // channel 4 length
- case 0x21: case 0x22: case 0x23: // channel 5 length
- elan_eu3a05_sound_size_w(space, offset - 0x12, data);
- break;
-
- case 0x24: // unk
- m_5024 = data;
- break;
-
- case 0x25: // trigger
- elan_eu3a05_sound_trigger_w(space, offset - 0x25, data);
- break;
-
- case 0x26: // volume channels 0,1,2,3 ? (lunar rescue sets 0x03 here and 0x00 below and just uses a single channel)
- case 0x27: // volume channels 5,6 ?
- elan_eu3a05_sound_volume_w(space, offset - 0x26, data);
- break;
-
- case 0x28: // stopped status?
- LOGMASKED( LOG_AUDIO, "%s: write to stop state register? %02x\n", machine().describe_context(), data);
- break;
-
- case 0x29: // interrupt enable? or looping?
- m_50a9 = data;
- break;
- }
+ logerror("%s: elan_eu3a05_sound_device::read_unmapped (offset %02x)\n", machine().describe_context(), offset);
+ return 0x00;
}
-READ8_MEMBER(elan_eu3a05_sound_device::read)
+WRITE8_MEMBER(elan_eu3a05_sound_device::write_unmapped)
{
- uint8_t ret = 0x00;
-
- switch (offset)
- {
- case 0x00: case 0x01: case 0x02: // channel 0 address
- case 0x03: case 0x04: case 0x05: // channel 1 address
- case 0x06: case 0x07: case 0x08: // channel 2 address
- case 0x09: case 0x0a: case 0x0b: // channel 3 address
- case 0x0c: case 0x0d: case 0x0e: // channel 4 address
- case 0x0f: case 0x10: case 0x11: // channel 5 address
- ret = elan_eu3a05_sound_addr_r(space, offset);
- break;
-
- case 0x12: case 0x13: case 0x14: // channel 0 length
- case 0x15: case 0x16: case 0x17: // channel 1 length
- case 0x18: case 0x19: case 0x1a: // channel 2 length
- case 0x1b: case 0x1c: case 0x1d: // channel 3 length
- case 0x1e: case 0x1f: case 0x20: // channel 4 length
- case 0x21: case 0x22: case 0x23: // channel 5 length
- ret = elan_eu3a05_sound_size_r(space, offset - 0x12);
- break;
-
- case 0x24: // unk
- ret = m_5024;
- break;
-
- case 0x25: // trigger
- ret = elan_eu3a05_sound_trigger_r(space, offset - 0x25);
- break;
-
- case 0x26: // volume channels 0,1,2,3 ?
- case 0x27: // volume channels 5,6 ?
- ret = elan_eu3a05_sound_volume_r(space, offset - 0x26);
- break;
-
- case 0x28: // stopped status?
- ret = elan_eu3a05_50a8_r(space, offset - 0x28);
- break;
-
- case 0x29: // interrupt enable? or looping?
- ret = m_50a9;
- break;
- }
-
- return ret;
-} \ No newline at end of file
+ logerror("%s: elan_eu3a05_sound_device::write_unmapped (offset %02x) (data %02x)\n", machine().describe_context(), offset, data);
+}
diff --git a/src/mame/audio/elan_eu3a05.h b/src/mame/audio/elan_eu3a05.h
index 867998051be..a662dc8c5b2 100644
--- a/src/mame/audio/elan_eu3a05.h
+++ b/src/mame/audio/elan_eu3a05.h
@@ -11,7 +11,7 @@
// ======================> elan_eu3a05_sound_device
-class elan_eu3a05_sound_device : public device_t, public device_sound_interface
+class elan_eu3a05_sound_device : public device_t, public device_sound_interface, public device_memory_interface
{
public:
elan_eu3a05_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
@@ -20,8 +20,8 @@ public:
template <unsigned N> auto sound_end_cb() { return m_sound_end_cb[N].bind(); }
- DECLARE_WRITE8_MEMBER(write);
- DECLARE_READ8_MEMBER(read);
+ void map(address_map& map);
+
protected:
// device-level overrides
@@ -30,6 +30,8 @@ protected:
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
+ virtual space_config_vector memory_space_config() const override;
+ const address_space_config m_space_config;
private:
sound_stream *m_stream;
@@ -45,7 +47,7 @@ private:
uint8_t m_isstopped;
uint8_t m_volumes[2];
- uint8_t m_5024;
+ uint8_t m_50a4;
uint8_t m_50a9;
void handle_sound_trigger(int which);
@@ -66,9 +68,17 @@ private:
DECLARE_READ8_MEMBER(elan_eu3a05_50a8_r);
+ DECLARE_READ8_MEMBER(reg50a4_r) { return m_50a4; }
+ DECLARE_WRITE8_MEMBER(reg50a4_w) { m_50a4 = data; }
+ DECLARE_READ8_MEMBER(reg50a9_r) { return m_50a9; }
+ DECLARE_WRITE8_MEMBER(reg50a9_w) { m_50a9 = data; }
+
DECLARE_READ8_MEMBER(elan_eu3a05_sound_volume_r);
DECLARE_WRITE8_MEMBER(elan_eu3a05_sound_volume_w);
+ DECLARE_WRITE8_MEMBER(write_unmapped);
+ DECLARE_READ8_MEMBER(read_unmapped);
+
devcb_write_line m_sound_end_cb[6];
};
diff --git a/src/mame/drivers/elan_eu3a05.cpp b/src/mame/drivers/elan_eu3a05.cpp
index 06b077c0704..441398120d1 100644
--- a/src/mame/drivers/elan_eu3a05.cpp
+++ b/src/mame/drivers/elan_eu3a05.cpp
@@ -223,17 +223,7 @@ void elan_eu3a05_state::elan_eu3a05_map(address_map &map)
map(0x5016, 0x5016).rw(m_sys, FUNC(elan_eu3a05sys_device::elan_eu3a05_dmatrg_r), FUNC(elan_eu3a05sys_device::elan_eu3a05_dmatrg_w));
// 502x - 503x video regs area?
- map(0x5020, 0x5026).ram(); // unknown, space invaders sets these to fixed values, tetris has them as 00
- map(0x5027, 0x5027).rw(m_vid, FUNC(elan_eu3a05vid_device::elan_eu3a05_vidctrl_r), FUNC(elan_eu3a05vid_device::elan_eu3a05_vidctrl_w));
- map(0x5028, 0x5028).ram();
- map(0x5029, 0x5029).rw(m_vid, FUNC(elan_eu3a05vid_device::tile_gfxbase_lo_r), FUNC(elan_eu3a05vid_device::tile_gfxbase_lo_w)); // tilebase
- map(0x502a, 0x502a).rw(m_vid, FUNC(elan_eu3a05vid_device::tile_gfxbase_hi_r), FUNC(elan_eu3a05vid_device::tile_gfxbase_hi_w)); // tilebase
- map(0x502b, 0x502b).rw(m_vid, FUNC(elan_eu3a05vid_device::sprite_gfxbase_lo_r), FUNC(elan_eu3a05vid_device::sprite_gfxbase_lo_w)); // tilebase (spr?)
- map(0x502c, 0x502c).rw(m_vid, FUNC(elan_eu3a05vid_device::sprite_gfxbase_hi_r), FUNC(elan_eu3a05vid_device::sprite_gfxbase_hi_w)); // tilebase (spr?)
- map(0x502d, 0x502e).rw(m_vid, FUNC(elan_eu3a05vid_device::splitpos_r), FUNC(elan_eu3a05vid_device::splitpos_w)); // split position
- map(0x502f, 0x5036).rw(m_vid, FUNC(elan_eu3a05vid_device::tile_scroll_r), FUNC(elan_eu3a05vid_device::tile_scroll_w)); // there are 4 scroll values in here, x scroll, y scroll, xscroll1 for split, xscroll2 for split (eu3a14 can do split too)
- // 5037
- map(0x5038, 0x5038).ram();
+ map(0x5020, 0x503f).m(m_vid, FUNC(elan_eu3a05vid_device::map));
// 504x GPIO area?
map(0x5040, 0x5046).rw(m_gpio, FUNC(elan_eu3a05gpio_device::gpio_r), FUNC(elan_eu3a05gpio_device::gpio_w));
@@ -244,7 +234,7 @@ void elan_eu3a05_state::elan_eu3a05_map(address_map &map)
map(0x5060, 0x506d).ram(); // read/written by tetris (ADC?)
// 508x sound
- map(0x5080, 0x50a9).rw(m_sound, FUNC(elan_eu3a05_sound_device::read), FUNC(elan_eu3a05_sound_device::write));
+ map(0x5080, 0x50bf).m(m_sound, FUNC(elan_eu3a05_sound_device::map));
//map(0x5000, 0x50ff).ram();
map(0x6000, 0xdfff).m(m_bank, FUNC(address_map_bank_device::amap8));
diff --git a/src/mame/drivers/elan_eu3a14.cpp b/src/mame/drivers/elan_eu3a14.cpp
index f0519473c68..312f3bcf910 100644
--- a/src/mame/drivers/elan_eu3a14.cpp
+++ b/src/mame/drivers/elan_eu3a14.cpp
@@ -219,7 +219,7 @@ void elan_eu3a14_state::bank_map(address_map &map)
map(0x000000, 0x3fffff).rom().region("maincpu", 0);
}
-void elan_eu3a14_state::radica_eu3a14_map(address_map &map)
+void elan_eu3a14_state::radica_eu3a14_map(address_map& map)
{
map(0x0000, 0x01ff).ram();
map(0x0200, 0x3fff).ram().share("mainram"); // 200-9ff is sprites? a00 - ??? is tilemap?
@@ -243,7 +243,6 @@ void elan_eu3a14_state::radica_eu3a14_map(address_map &map)
// 5019 - 46 on startup (hnt3) 22 (bb3, foot) na (gtg) 09 (rsg)
// 501a - 01 on startup (hnt3) 03 (bb3, foot) na (gtg) 02,01 (rsg)
-
// probably GPIO like eu3a05, although it access 47/48 as unknown instead of 48/49/4a
map(0x5040, 0x5040).w(FUNC(elan_eu3a14_state::porta_dir_w));
map(0x5041, 0x5041).portr("IN0").w(FUNC(elan_eu3a14_state::porta_dat_w));
@@ -256,60 +255,13 @@ void elan_eu3a14_state::radica_eu3a14_map(address_map &map)
map(0x5047, 0x5047).nopw();
map(0x5048, 0x5048).nopw();
- // 5060 - 506e r/w during startup on foot
-
- // sound appears to be the same as eu3a05
- map(0x5080, 0x50a9).rw(m_sound, FUNC(elan_eu3a05_sound_device::read), FUNC(elan_eu3a05_sound_device::write));
-
- // video regs are in the 51xx range
-
- // huntin'3 seems to use some registers for a windowing / highlight effect on the trophy room names and "Target Range" mode timer??
- // 5100 - 0x0f when effect is enabled, 0x00 otherwise?
- // 5101 - 0x0e in both modes
- // 5102 - 0x86 in both modes
- // 5103 - 0x0e in tropy room (left?) / 0x2a in "Target Range" mode (left position?)
- // 5104 - trophy room window / highlight top, move with cursor / 0xbf in "Target Range" mode (top?)
- // 5105 - 0x52 in trophy room (right?) / counts from 0xa1 to 0x2a in "Target Range" mode (right position?)
- // 5106 - trophy room window / highlight bottom, move with cursor / 0xcb in "Target Range" mode (bottom?)
- // 5107 - 0x00
- // 5108 - 0x04 in both modes
- // 5109 - 0xc2 in both modes
-
- map(0x5100, 0x5100).ram();
- map(0x5101, 0x5101).ram();
- map(0x5102, 0x5102).ram();
- map(0x5103, 0x5106).ram();
- map(0x5107, 0x5107).ram(); // on transitions, maybe layer disables?
- map(0x5108, 0x5109).ram(); // hnt3, frequently rewrites same values, maybe something to do with raster irq?
-
- // layer specific regs?
- map(0x5110, 0x5115).rw(m_vid, FUNC(elan_eu3a14vid_device::tilecfg_r), FUNC(elan_eu3a14vid_device::tilecfg_w));
- map(0x5116, 0x5117).rw(m_vid, FUNC(elan_eu3a14vid_device::rowscrollcfg_r), FUNC(elan_eu3a14vid_device::rowscrollcfg_w)); // 00 01 in hnt3 (could just be extra tile config bits, purpose guessed) set to 00 05 in rad_gtg overhead part (no rowscroll)
- // 0x5118, 0x5119 not used
- map(0x511a, 0x511e).rw(m_vid, FUNC(elan_eu3a14vid_device::rowscrollsplit_r), FUNC(elan_eu3a14vid_device::rowscrollsplit_w)); // hnt3 (60 68 78 90 b8 - rowscroll position list see note below
-
-
- // register value notes for 511a-511e and how they relate to screen
- // 00-6f normal scroll reg
- // 60-67 is where the first extra scroll reg (rowscrollregs) is onscreen
- // 68-77 is the 2nd
- // 78-8f is the 3rd
- // 90-b7 is the 4th
- // b8-ff no scroll?
-
- map(0x5121, 0x5124).rw(m_vid, FUNC(elan_eu3a14vid_device::scrollregs_r), FUNC(elan_eu3a14vid_device::scrollregs_w));
- map(0x5125, 0x512c).rw(m_vid, FUNC(elan_eu3a14vid_device::rowscrollregs_r), FUNC(elan_eu3a14vid_device::rowscrollregs_w)); // 4 extra x scroll regs
-
- // layer specific regs?
- map(0x5140, 0x5145).rw(m_vid, FUNC(elan_eu3a14vid_device::ramtilecfg_r), FUNC(elan_eu3a14vid_device::ramtilecfg_w)); // hnt3
- map(0x5148, 0x514b).ram(); // hnt3 (always 0 tho?)
-
- // sprite specific regs?
- map(0x5150, 0x5150).rw(m_vid, FUNC(elan_eu3a14vid_device::spriteaddr_r), FUNC(elan_eu3a14vid_device::spriteaddr_w)); // startup 01 bb3,gtg,rsg, (na) foot 0c hnt3
- map(0x5151, 0x5152).rw(m_vid, FUNC(elan_eu3a14vid_device::spritebase_r), FUNC(elan_eu3a14vid_device::spritebase_w));
- map(0x5153, 0x5153).ram(); // startup
-
-
+ // 5060 - 506e r/w during startup on foot (adc?)
+
+ // 0x5080 - 50bf = SOUND AREA (same as eu5a03?)
+ map(0x5080, 0x50bf).m(m_sound, FUNC(elan_eu3a05_sound_device::map));
+
+ // 0x5100 - 517f = VIDEO AREA
+ map(0x5100, 0x517f).m(m_vid, FUNC(elan_eu3a14vid_device::map));
map(0x6000, 0xdfff).m(m_bank, FUNC(address_map_bank_device::amap8));
diff --git a/src/mame/video/elan_eu3a05vid.cpp b/src/mame/video/elan_eu3a05vid.cpp
index ec472fb1fe5..faf9419729a 100644
--- a/src/mame/video/elan_eu3a05vid.cpp
+++ b/src/mame/video/elan_eu3a05vid.cpp
@@ -6,16 +6,42 @@
DEFINE_DEVICE_TYPE(ELAN_EU3A05_VID, elan_eu3a05vid_device, "elan_eu3a05vid", "Elan EU3A05 Video")
-// map(0x0600, 0x3dff).ram().share("vram");
-// map(0x3e00, 0x3fff).ram().share("spriteram");
+// tilemaps start at 0x0600 in mainram, sprites at 0x3e00, unlike eu3a14 these could be fixed addresses
elan_eu3a05vid_device::elan_eu3a05vid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: elan_eu3a05commonvid_device(mconfig, ELAN_EU3A05_VID, tag, owner, clock),
+ device_memory_interface(mconfig, *this),
m_cpu(*this, finder_base::DUMMY_TAG),
- m_bank(*this, finder_base::DUMMY_TAG)
+ m_bank(*this, finder_base::DUMMY_TAG),
+ m_space_config("regs", ENDIANNESS_NATIVE, 8, 5, 0, address_map_constructor(FUNC(elan_eu3a05vid_device::map), this))
{
}
+device_memory_interface::space_config_vector elan_eu3a05vid_device::memory_space_config() const
+{
+ return space_config_vector {
+ std::make_pair(0, &m_space_config)
+ };
+}
+
+void elan_eu3a05vid_device::map(address_map &map)
+{
+ map(0x00, 0x1f).rw(FUNC(elan_eu3a05vid_device::read_unmapped), FUNC(elan_eu3a05vid_device::write_unmapped));
+
+ map(0x00, 0x06).ram(); // unknown, space invaders sets these to fixed values, tetris has them as 00
+ map(0x07, 0x07).rw(FUNC(elan_eu3a05vid_device::elan_eu3a05_vidctrl_r), FUNC(elan_eu3a05vid_device::elan_eu3a05_vidctrl_w));
+ map(0x08, 0x08).ram(); // unknown
+ map(0x09, 0x09).rw(FUNC(elan_eu3a05vid_device::tile_gfxbase_lo_r), FUNC(elan_eu3a05vid_device::tile_gfxbase_lo_w));
+ map(0x0a, 0x0a).rw(FUNC(elan_eu3a05vid_device::tile_gfxbase_hi_r), FUNC(elan_eu3a05vid_device::tile_gfxbase_hi_w));
+ map(0x0b, 0x0b).rw(FUNC(elan_eu3a05vid_device::sprite_gfxbase_lo_r), FUNC(elan_eu3a05vid_device::sprite_gfxbase_lo_w));
+ map(0x0c, 0x0c).rw(FUNC(elan_eu3a05vid_device::sprite_gfxbase_hi_r), FUNC(elan_eu3a05vid_device::sprite_gfxbase_hi_w));
+ map(0x0d, 0x0e).rw(FUNC(elan_eu3a05vid_device::splitpos_r), FUNC(elan_eu3a05vid_device::splitpos_w));
+ map(0x0f, 0x16).rw(FUNC(elan_eu3a05vid_device::tile_scroll_r), FUNC(elan_eu3a05vid_device::tile_scroll_w));
+ map(0x17, 0x17).ram(); // unknown
+ map(0x18, 0x18).ram(); // unknown
+ // no other writes seen
+}
+
void elan_eu3a05vid_device::device_start()
{
elan_eu3a05commonvid_device::device_start();
@@ -565,4 +591,15 @@ WRITE8_MEMBER(elan_eu3a05vid_device::elan_eu3a05_vidctrl_w)
*/
m_vidctrl = data;
-} \ No newline at end of file
+}
+
+READ8_MEMBER(elan_eu3a05vid_device::read_unmapped)
+{
+ logerror("%s: elan_eu3a05vid_device::read_unmapped (offset %02x)\n", machine().describe_context(), offset);
+ return 0x00;
+}
+
+WRITE8_MEMBER(elan_eu3a05vid_device::write_unmapped)
+{
+ logerror("%s: elan_eu3a05vid_device::write_unmapped (offset %02x) (data %02x)\n", machine().describe_context(), offset, data);
+}
diff --git a/src/mame/video/elan_eu3a05vid.h b/src/mame/video/elan_eu3a05vid.h
index 1580fa10840..00332fe63ad 100644
--- a/src/mame/video/elan_eu3a05vid.h
+++ b/src/mame/video/elan_eu3a05vid.h
@@ -8,7 +8,7 @@
#include "cpu/m6502/m6502.h"
#include "machine/bankdev.h"
-class elan_eu3a05vid_device : public elan_eu3a05commonvid_device
+class elan_eu3a05vid_device : public elan_eu3a05commonvid_device, public device_memory_interface
{
public:
elan_eu3a05vid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
@@ -16,28 +16,7 @@ public:
template <typename T> void set_cpu(T &&tag) { m_cpu.set_tag(std::forward<T>(tag)); }
template <typename T> void set_addrbank(T &&tag) { m_bank.set_tag(std::forward<T>(tag)); }
- // VIDEO
- // tile bases
- DECLARE_WRITE8_MEMBER(tile_gfxbase_lo_w);
- DECLARE_WRITE8_MEMBER(tile_gfxbase_hi_w);
- DECLARE_READ8_MEMBER(tile_gfxbase_lo_r);
- DECLARE_READ8_MEMBER(tile_gfxbase_hi_r);
- // sprite tile bases
- DECLARE_WRITE8_MEMBER(sprite_gfxbase_lo_w);
- DECLARE_WRITE8_MEMBER(sprite_gfxbase_hi_w);
- DECLARE_READ8_MEMBER(sprite_gfxbase_lo_r);
- DECLARE_READ8_MEMBER(sprite_gfxbase_hi_r);
-
- DECLARE_READ8_MEMBER(elan_eu3a05_vidctrl_r);
- DECLARE_WRITE8_MEMBER(elan_eu3a05_vidctrl_w);
-
- DECLARE_READ8_MEMBER(tile_scroll_r);
- DECLARE_WRITE8_MEMBER(tile_scroll_w);
-
- DECLARE_READ8_MEMBER(splitpos_r);
- DECLARE_WRITE8_MEMBER(splitpos_w);
-
- uint16_t get_scroll(int which);
+ void map(address_map& map);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
@@ -45,10 +24,12 @@ protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
+ virtual space_config_vector memory_space_config() const override;
private:
required_device<m6502_device> m_cpu;
required_device<address_map_bank_device> m_bank;
+ const address_space_config m_space_config;
uint8_t m_vidctrl;
@@ -62,6 +43,8 @@ private:
uint8_t m_splitpos[2];
+ uint16_t get_scroll(int which);
+
bool get_tile_data(int base, int drawpri, int& tile, int &attr, int &unk2);
void draw_tilemaps(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int drawpri);
void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
@@ -69,6 +52,29 @@ private:
uint8_t read_spriteram(int offset);
uint8_t read_vram(int offset);
+ // VIDEO
+ // tile bases
+ DECLARE_WRITE8_MEMBER(tile_gfxbase_lo_w);
+ DECLARE_WRITE8_MEMBER(tile_gfxbase_hi_w);
+ DECLARE_READ8_MEMBER(tile_gfxbase_lo_r);
+ DECLARE_READ8_MEMBER(tile_gfxbase_hi_r);
+ // sprite tile bases
+ DECLARE_WRITE8_MEMBER(sprite_gfxbase_lo_w);
+ DECLARE_WRITE8_MEMBER(sprite_gfxbase_hi_w);
+ DECLARE_READ8_MEMBER(sprite_gfxbase_lo_r);
+ DECLARE_READ8_MEMBER(sprite_gfxbase_hi_r);
+
+ DECLARE_READ8_MEMBER(elan_eu3a05_vidctrl_r);
+ DECLARE_WRITE8_MEMBER(elan_eu3a05_vidctrl_w);
+
+ DECLARE_READ8_MEMBER(tile_scroll_r);
+ DECLARE_WRITE8_MEMBER(tile_scroll_w);
+
+ DECLARE_READ8_MEMBER(splitpos_r);
+ DECLARE_WRITE8_MEMBER(splitpos_w);
+
+ DECLARE_READ8_MEMBER(read_unmapped);
+ DECLARE_WRITE8_MEMBER(write_unmapped);
};
DECLARE_DEVICE_TYPE(ELAN_EU3A05_VID, elan_eu3a05vid_device)
diff --git a/src/mame/video/elan_eu3a14vid.cpp b/src/mame/video/elan_eu3a14vid.cpp
index 79b2f4a97d0..f31d8788008 100644
--- a/src/mame/video/elan_eu3a14vid.cpp
+++ b/src/mame/video/elan_eu3a14vid.cpp
@@ -8,25 +8,140 @@ DEFINE_DEVICE_TYPE(ELAN_EU3A14_VID, elan_eu3a14vid_device, "elan_eu3a14vid", "El
elan_eu3a14vid_device::elan_eu3a14vid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: elan_eu3a05commonvid_device(mconfig, ELAN_EU3A14_VID, tag, owner, clock),
+ device_memory_interface(mconfig, *this),
m_cpu(*this, finder_base::DUMMY_TAG),
m_bank(*this, finder_base::DUMMY_TAG),
- m_screen(*this, finder_base::DUMMY_TAG)
+ m_screen(*this, finder_base::DUMMY_TAG),
+ m_space_config("regs", ENDIANNESS_NATIVE, 8, 7, 0, address_map_constructor(FUNC(elan_eu3a14vid_device::map), this))
{
}
+device_memory_interface::space_config_vector elan_eu3a14vid_device::memory_space_config() const
+{
+ return space_config_vector {
+ std::make_pair(0, &m_space_config)
+ };
+}
+
+/* Windowing mode note
+
+ huntin'3 seems to use some registers for a windowing / highlight effect on the trophy room names and "Target Range" mode timer??
+ 5100 - 0x0f when effect is enabled, 0x00 otherwise?
+ 5101 - 0x0e in both modes
+ 5102 - 0x86 in both modes
+ 5103 - 0x0e in tropy room (left?) / 0x2a in "Target Range" mode (left position?)
+ 5104 - trophy room window / highlight top, move with cursor / 0xbf in "Target Range" mode (top?)
+ 5105 - 0x52 in trophy room (right?) / counts from 0xa1 to 0x2a in "Target Range" mode (right position?)
+ 5106 - trophy room window / highlight bottom, move with cursor / 0xcb in "Target Range" mode (bottom?)
+*/
+
+void elan_eu3a14vid_device::map(address_map &map)
+{
+ map(0x00, 0x7f).rw(FUNC(elan_eu3a14vid_device::read_unmapped), FUNC(elan_eu3a14vid_device::write_unmapped));
+
+ map(0x00, 0x06).ram(); // see Windowing note above
+ map(0x07, 0x07).rw(FUNC(elan_eu3a14vid_device::reg5107_r), FUNC(elan_eu3a14vid_device::reg5107_w)); // writes on transitions, maybe layer disables?
+ map(0x08, 0x08).rw(FUNC(elan_eu3a14vid_device::reg5108_r), FUNC(elan_eu3a14vid_device::reg5108_w)); // 0x04 in both modes // hnt3, frequently rewrites same values TODO
+ map(0x09, 0x09).rw(FUNC(elan_eu3a14vid_device::reg5109_r), FUNC(elan_eu3a14vid_device::reg5109_w)); // related to above?
+ // 0x0a
+ // 0x0b
+ // 0x0c
+ // 0x0d
+ // 0x0e
+ // 0x0f
+ map(0x10, 0x15).rw(FUNC(elan_eu3a14vid_device::tilecfg_r), FUNC(elan_eu3a14vid_device::tilecfg_w));
+ map(0x16, 0x17).rw(FUNC(elan_eu3a14vid_device::rowscrollcfg_r), FUNC(elan_eu3a14vid_device::rowscrollcfg_w));
+ // 0x18
+ // 0x19
+ map(0x1a, 0x1e).rw(FUNC(elan_eu3a14vid_device::rowscrollsplit_r), FUNC(elan_eu3a14vid_device::rowscrollsplit_w));
+ // 0x1f
+ // 0x20
+ map(0x21, 0x24).rw(FUNC(elan_eu3a14vid_device::scrollregs_r), FUNC(elan_eu3a14vid_device::scrollregs_w)); // 0x21,0x22 = scroll reg 1, 0x23,0x24 = scroll reg 2
+ map(0x25, 0x2c).rw(FUNC(elan_eu3a14vid_device::rowscrollregs_r), FUNC(elan_eu3a14vid_device::rowscrollregs_w)); // 0x25,0x26 = rowscroll reg 1, 0x27,0x28 = rowscroll reg 2, 0x29,0x2a = rowscroll reg 3, 0x2b,0x2c = rowscroll reg 3
+ // 0x2d
+ // 0x2e
+ // 0x2f
+ // 0x30
+ // 0x31
+ // 0x32
+ // 0x33
+ // 0x34
+ // 0x35
+ // 0x36
+ // 0x37
+ // 0x38
+ // 0x39
+ // 0x3a
+ // 0x3b
+ // 0x3c
+ // 0x3d
+ // 0x3e
+ // 0x3f
+ map(0x40, 0x45).rw(FUNC(elan_eu3a14vid_device::ramtilecfg_r), FUNC(elan_eu3a14vid_device::ramtilecfg_w));
+ // 0x46
+ // 0x47
+ map(0x48, 0x4b).ram(); // hnt3 (always 0 tho?)
+ // 0x4c
+ // 0x4d
+ // 0x4e
+ // 0x4f
+ map(0x50, 0x50).rw(FUNC(elan_eu3a14vid_device::spriteaddr_r), FUNC(elan_eu3a14vid_device::spriteaddr_w));
+ map(0x51, 0x52).rw(FUNC(elan_eu3a14vid_device::spritebase_r), FUNC(elan_eu3a14vid_device::spritebase_w));
+ map(0x53, 0x53).ram(); // startup
+
+ // nothing else used?
+}
+
void elan_eu3a14vid_device::device_start()
{
elan_eu3a05commonvid_device::device_start();
+
+ save_item(NAME(m_scrollregs));
+ save_item(NAME(m_tilecfg));
+ save_item(NAME(m_rowscrollregs));
+ save_item(NAME(m_rowscrollsplit));
+ save_item(NAME(m_rowscrollcfg));
+ save_item(NAME(m_ramtilecfg));
+ save_item(NAME(m_spritebase));
+
+ save_item(NAME(m_5107));
+ save_item(NAME(m_5108));
+ save_item(NAME(m_5109));
+
+ save_item(NAME(m_spriteaddr));
}
void elan_eu3a14vid_device::device_reset()
{
elan_eu3a05commonvid_device::device_reset();
- m_spriteaddr = 0x14; // ?? rad_foot never writes, other games seem to use it to set sprite location
-}
+ for (int i = 0; i < 4; i++)
+ m_scrollregs[i] = 0x00;
+
+ for (int i = 0; i < 6; i++)
+ m_tilecfg[i] = 0x00;
+
+ for (int i = 0; i < 8; i++)
+ m_rowscrollregs[i] = 0x00;
+
+ for (int i = 0; i < 5; i++)
+ m_rowscrollsplit[i] = 0x00;
+
+ for (int i = 0; i < 2; i++)
+ m_rowscrollcfg[i] = 0x00;
+ for (int i = 0; i < 6; i++)
+ m_ramtilecfg[i] = 0x00;
+ for (int i = 0; i < 2; i++)
+ m_spritebase[i] = 0x00;
+
+ m_5107 = 0x00;
+ m_5108 = 0x00;
+ m_5109 = 0x00;
+
+ m_spriteaddr = 0x14; // ?? rad_foot never writes, other games seem to use it to set sprite location
+}
uint8_t elan_eu3a14vid_device::read_vram(int offset)
{
@@ -65,6 +180,22 @@ uint8_t elan_eu3a14vid_device::read_gfxdata(int offset, int x)
return fullbankspace.read_byte((offset+x) & 0x3fffff);
}
+uint8_t elan_eu3a14vid_device::readpix(int baseaddr, int count, int drawfromram)
+{
+ int pix;
+
+ if (drawfromram)
+ {
+ pix = read_vram((baseaddr + count) & 0x3fff);
+ }
+ else
+ {
+ address_space& fullbankspace = m_bank->space(AS_PROGRAM);
+ pix = fullbankspace.read_byte((baseaddr+count) & 0x3fffff);
+ }
+ return pix;
+}
+
void elan_eu3a14vid_device::draw_background_tile(bitmap_ind16& bitmap, const rectangle& cliprect, int bpp, int tileno, int palette, int priority, int flipx, int flipy, int xpos, int ypos, int transpen, int size, int base, int drawfromram)
{
int baseaddr = base * 256;
@@ -105,7 +236,6 @@ void elan_eu3a14vid_device::draw_background_tile(bitmap_ind16& bitmap, const rec
return;
}
-
int count = 0;
for (int y = 0; y < size; y++)
{
@@ -127,18 +257,6 @@ void elan_eu3a14vid_device::draw_background_tile(bitmap_ind16& bitmap, const rec
for (int x = 0; x < xstride; x++)
{
- int pix;
-
- if (drawfromram)
- {
- pix = read_vram((baseaddr + count) & 0x3fff);
- }
- else
- {
- address_space& fullbankspace = m_bank->space(AS_PROGRAM);
- pix = fullbankspace.read_byte((baseaddr+count) & 0x3fffff);
- }
-
if (realy >= cliprect.min_y && realy <= cliprect.max_y)
{
if (bpp == 8) // 8bpp
@@ -146,6 +264,8 @@ void elan_eu3a14vid_device::draw_background_tile(bitmap_ind16& bitmap, const rec
int realx = x + xposwithscroll;
if (realx >= cliprect.min_x && realx <= cliprect.max_x)
{
+ uint8_t pix = readpix(baseaddr, count, drawfromram);
+
if (pix)
{
if (pridst[realx] <= priority)
@@ -172,29 +292,30 @@ void elan_eu3a14vid_device::draw_background_tile(bitmap_ind16& bitmap, const rec
else if (bpp == 4) // 4bpp
{
int realx = (x * 2) + xposwithscroll;
- if (realx >= cliprect.min_x && realx <= cliprect.max_x)
+
+ if (((realx + 1) >= cliprect.min_x) || (realx <= cliprect.max_x))
{
- if (pix & 0xf0)
- {
- if (pridst[realx] <= priority)
- {
- dst[realx] = ((pix & 0xf0) >> 4) | palette;
- pridst[realx] = priority;
- }
- }
- }
+ uint8_t pix = readpix(baseaddr, count, drawfromram);
- realx++;
+ int mask = 0xf0;
+ int shift = 4;
- if (realx >= cliprect.min_x && realx <= cliprect.max_x)
- {
- if (pix & 0x0f)
+ for (int i = 0; i < 4; i++)
{
- if (pridst[realx] <= priority)
+ if (realx >= cliprect.min_x && realx <= cliprect.max_x)
{
- dst[realx] = (pix & 0x0f) | palette;
- pridst[realx] = priority;
+ if (pix & mask)
+ {
+ if (pridst[realx] <= priority)
+ {
+ dst[realx] = ((pix & mask) >> shift) | palette;
+ pridst[realx] = priority;
+ }
+ }
}
+ mask >>= 4;
+ shift -= 4;
+ realx++;
}
}
}
@@ -205,57 +326,31 @@ void elan_eu3a14vid_device::draw_background_tile(bitmap_ind16& bitmap, const rec
else if (bpp == 2) // 2bpp (hnt3 ram text)
{
int realx = (x * 4) + xposwithscroll;
- if (realx >= cliprect.min_x && realx <= cliprect.max_x)
- {
- if (pix & 0xc0)
- {
- if (pridst[realx] <= priority)
- {
- dst[realx] = ((pix & 0xc0) >> 6) | palette;
- pridst[realx] = priority;
- }
- }
- }
-
- realx++;
- if (realx >= cliprect.min_x && realx <= cliprect.max_x)
+ if (((realx + 3) >= cliprect.min_x) || (realx <= cliprect.max_x))
{
- if (pix & 0x30)
- {
- if (pridst[realx] <= priority)
- {
- dst[realx] = ((pix & 0x30) >> 4) | palette;
- pridst[realx] = priority;
- }
- }
- }
+ uint8_t pix = readpix(baseaddr, count, drawfromram);
- realx++;
+ int mask = 0xc0;
+ int shift = 6;
- if (realx >= cliprect.min_x && realx <= cliprect.max_x)
- {
- if (pix & 0x0c)
+ for (int i = 0; i < 4; i++)
{
- if (pridst[realx] <= priority)
+ if (realx >= cliprect.min_x && realx <= cliprect.max_x)
{
- dst[realx] = ((pix & 0x0c) >> 2) | palette;
- pridst[realx] = priority;
+ if (pix & 0xc0)
+ {
+ if (pridst[realx] <= priority)
+ {
+ dst[realx] = ((pix & mask) >> shift) | palette;
+ pridst[realx] = priority;
+ }
+ }
}
- }
- }
- realx++;
-
- if (realx >= cliprect.min_x && realx <= cliprect.max_x)
- {
- if (pix & 0x03)
- {
- if (pridst[realx] <= priority)
- {
- dst[realx] = ((pix & 0x03) >> 0) | palette;
- pridst[realx] = priority;
- }
+ realx++;
+ mask >>= 2;
+ shift -= 2;
}
}
}
@@ -674,8 +769,6 @@ void elan_eu3a14vid_device::draw_sprite_line(screen_device &screen, bitmap_ind16
void elan_eu3a14vid_device::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- // first 4 sprite entries seem to be garbage sprites, so we start at 0x20
- // likely we're just interpreting them wrong and they're used for blanking things or clipping?
for (int i = m_spriterambase; i < m_spriterambase + 0x800; i += 8)
{
/*
@@ -763,4 +856,13 @@ void elan_eu3a14vid_device::draw_sprites(screen_device &screen, bitmap_ind16 &bi
}
}
}
+READ8_MEMBER(elan_eu3a14vid_device::read_unmapped)
+{
+ logerror("%s: elan_eu3a14vid_device::read_unmapped (offset %02x)\n", machine().describe_context(), offset);
+ return 0x00;
+}
+WRITE8_MEMBER(elan_eu3a14vid_device::write_unmapped)
+{
+ logerror("%s: elan_eu3a14vid_device::write_unmapped (offset %02x) (data %02x)\n", machine().describe_context(), offset, data);
+}
diff --git a/src/mame/video/elan_eu3a14vid.h b/src/mame/video/elan_eu3a14vid.h
index 71f91a6aae0..ad8ea0d44da 100644
--- a/src/mame/video/elan_eu3a14vid.h
+++ b/src/mame/video/elan_eu3a14vid.h
@@ -9,7 +9,7 @@
#include "machine/bankdev.h"
#include "screen.h"
-class elan_eu3a14vid_device : public elan_eu3a05commonvid_device
+class elan_eu3a14vid_device : public elan_eu3a05commonvid_device, public device_memory_interface
{
public:
elan_eu3a14vid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
@@ -18,11 +18,30 @@ public:
template <typename T> void set_addrbank(T &&tag) { m_bank.set_tag(std::forward<T>(tag)); }
template <typename T> void set_screen(T &&tag) { m_screen.set_tag(std::forward<T>(tag)); }
+ void map(address_map& map);
+
void set_tilerambase(int tilerambase) { m_tilerambase = tilerambase; }
void video_start();
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual space_config_vector memory_space_config() const override;
+
+private:
+ required_device<m6502_device> m_cpu;
+ required_device<address_map_bank_device> m_bank;
+ required_device<screen_device> m_screen;
+ const address_space_config m_space_config;
+
+ inline uint8_t read_gfxdata(int offset, int x);
+ inline uint8_t read_vram(int offset);
+ inline uint8_t readpix(int baseaddr, int count, int drawfromram);
+
DECLARE_READ8_MEMBER(tilecfg_r) { return m_tilecfg[offset]; }
DECLARE_WRITE8_MEMBER(tilecfg_w) { m_tilecfg[offset] = data; }
DECLARE_READ8_MEMBER(ramtilecfg_r) { return m_ramtilecfg[offset]; }
@@ -33,22 +52,22 @@ public:
DECLARE_WRITE8_MEMBER(scrollregs_w) { m_scrollregs[offset] = data; }
DECLARE_READ8_MEMBER(rowscrollregs_r) { return m_rowscrollregs[offset]; }
DECLARE_WRITE8_MEMBER(rowscrollregs_w) { m_rowscrollregs[offset] = data; }
-
- DECLARE_READ8_MEMBER(spriteaddr_r) { return m_spriteaddr; }
- DECLARE_WRITE8_MEMBER(spriteaddr_w) { m_spriteaddr = data; }
-
DECLARE_READ8_MEMBER(spritebase_r) { return m_spritebase[offset]; }
DECLARE_WRITE8_MEMBER(spritebase_w) { m_spritebase[offset] = data; }
-
DECLARE_READ8_MEMBER(rowscrollsplit_r) { return m_rowscrollsplit[offset]; }
DECLARE_WRITE8_MEMBER(rowscrollsplit_w) { m_rowscrollsplit[offset] = data; }
+ DECLARE_READ8_MEMBER(spriteaddr_r) { return m_spriteaddr; }
+ DECLARE_WRITE8_MEMBER(spriteaddr_w) { m_spriteaddr = data; }
+ DECLARE_READ8_MEMBER(reg5107_r) { return m_5107; }
+ DECLARE_WRITE8_MEMBER(reg5107_w) { m_5107 = data; }
+ DECLARE_READ8_MEMBER(reg5108_r) { return m_5108; }
+ DECLARE_WRITE8_MEMBER(reg5108_w) { m_5108 = data; }
+ DECLARE_READ8_MEMBER(reg5109_r) { return m_5109; }
+ DECLARE_WRITE8_MEMBER(reg5109_w) { m_5109 = data; }
- int m_tilerambase;
- int m_spriterambase;
-
- bitmap_ind8 m_prioritybitmap;
-
+ DECLARE_READ8_MEMBER(read_unmapped);
+ DECLARE_WRITE8_MEMBER(write_unmapped);
void draw_background_ramlayer(screen_device& screen, bitmap_ind16& bitmap, const rectangle& cliprect);
int get_xscroll_for_screenypos(int line);
@@ -59,21 +78,6 @@ public:
void draw_sprite_line(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int offset, int line, int pal, int flipx, int pri, int xpos, int ypos, int bpp);
void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
-
-protected:
- // device-level overrides
- virtual void device_start() override;
- virtual void device_reset() override;
-
-private:
- required_device<m6502_device> m_cpu;
- required_device<address_map_bank_device> m_bank;
- required_device<screen_device> m_screen;
-
- uint8_t read_gfxdata(int offset, int x);
-
- uint8_t read_vram(int offset);
-
uint8_t m_scrollregs[4];
uint8_t m_tilecfg[6];
uint8_t m_rowscrollregs[8];
@@ -83,6 +87,14 @@ private:
uint8_t m_spriteaddr;
uint8_t m_spritebase[2];
+ uint8_t m_5107;
+ uint8_t m_5108;
+ uint8_t m_5109;
+
+ int m_tilerambase;
+ int m_spriterambase;
+
+ bitmap_ind8 m_prioritybitmap;
};
DECLARE_DEVICE_TYPE(ELAN_EU3A14_VID, elan_eu3a14vid_device)