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Fix funcube, may have side effects on ablastb which really doesn't work on the first place so I do not really care

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This commit is contained in:
Olivier Galibert 2020-11-27 13:03:04 +01:00
parent a06478bd85
commit 31bbc684d2
3 changed files with 13 additions and 17 deletions
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4
src/mame/drivers/seta2.cpp
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@ -829,9 +829,9 @@ void funcube_state::funcube_map(address_map &map)
map(0x00500001, 0x00500001).rw(m_oki, FUNC(okim9810_device::read_status), FUNC(okim9810_device::write_command));
map(0x00500003, 0x00500003).w(m_oki, FUNC(okim9810_device::write_tmp_register));
map(0x00800000, 0x0083ffff).rw(FUNC(funcube_state::spriteram_r), FUNC(funcube_state::spriteram_w)).share("spriteram");
map(0x00800000, 0x0083ffff).rw(FUNC(funcube_state::spriteram_r), FUNC(funcube_state::spriteram_w));
map(0x00840000, 0x0084ffff).ram().w(m_palette, FUNC(palette_device::write32)).share("palette"); // Palette
map(0x00860000, 0x0086003f).ram().w(FUNC(funcube_state::vregs_w)).share("vregs");
map(0x00860000, 0x0086003f).rw(FUNC(funcube_state::vregs_r), FUNC(funcube_state::vregs_w));
map(0x00c00000, 0x00c002ff).rw(FUNC(funcube_state::nvram_r), FUNC(funcube_state::nvram_w));

9
src/mame/includes/seta2.h
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@ -35,9 +35,9 @@ public:
m_x1_bank(*this, "x1_bank_%u", 1U),
m_nvram(*this, "nvram"),
m_spriteram(*this, "spriteram"),
m_spriteram(*this, "spriteram", 0x40000, ENDIANNESS_BIG),
m_tileram(*this, "tileram"),
m_vregs(*this, "vregs"),
m_vregs(*this, "vregs", 0x40, ENDIANNESS_BIG),
m_leds(*this, "led%u", 0U),
m_lamps(*this, "lamp%u", 0U)
{ }
@ -85,6 +85,7 @@ protected:
void gundamex_eeprom_w(uint16_t data);
void vregs_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t vregs_r(offs_t offset);
uint16_t spriteram_r(offs_t offset);
void spriteram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
@ -129,9 +130,9 @@ protected:
optional_memory_bank_array<8> m_x1_bank;
optional_shared_ptr<uint16_t> m_nvram;
optional_shared_ptr<uint16_t> m_spriteram;
memory_share_creator<uint16_t> m_spriteram;
optional_shared_ptr<uint16_t> m_tileram;
optional_shared_ptr<uint16_t> m_vregs;
memory_share_creator<uint16_t> m_vregs;
output_finder<7> m_leds;
output_finder<11> m_lamps;

17
src/mame/video/seta2.cpp
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@ -149,6 +149,11 @@
***************************************************************************/
uint16_t seta2_state::vregs_r(offs_t offset)
{
return m_vregs[offset];
}
void seta2_state::vregs_w(offs_t offset, uint16_t data, uint16_t mem_mask)
{
/* 02/04 = horizontal display start/end
@ -786,9 +791,6 @@ TIMER_CALLBACK_MEMBER(seta2_state::raster_timer_done)
void seta2_state::draw_sprites(bitmap_ind16& bitmap, const rectangle& cliprect)
{
if (!m_vregs.found())
return; // ablastb (bootleg) doesn't have obvious video registers, so just abandon, probably needs a different driver
//printf("yoffset: %04x%04x yzoom: %04x%04x | xoffset: %04x%04x xzoom: %04x%04x \n", m_vregs[0x1a/2], m_vregs[0x18/2], m_vregs[0x1e/2], m_vregs[0x1c/2] , m_vregs[0x12/2], m_vregs[0x10/2], m_vregs[0x16/2], m_vregs[0x14/2]);
uint32_t yoffset = (m_vregs[0x1a / 2] << 16) | m_vregs[0x18 / 2];
@ -897,15 +899,8 @@ uint32_t seta2_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap,
// Black or pen 0?
bitmap.fill(m_palette->pen(0), cliprect);
if (m_vregs.found())
{
if ( (m_vregs[0x30/2] & 1) == 0 ) // 1 = BLANK SCREEN
draw_sprites(bitmap, cliprect);
}
else // ablastb doesn't seem to have the same vregs
{
if ( (m_vregs[0x30/2] & 1) == 0 ) // 1 = BLANK SCREEN
draw_sprites(bitmap, cliprect);
}
return 0;
}