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taito/taitojc.cpp: Fix character RAM size (#13379)

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cam900 2025-02-17 22:06:47 +09:00 committed by GitHub
parent 7b07d590ec
commit 9ceeaadbd3
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3 changed files with 12 additions and 9 deletions
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2
src/mame/taito/taitojc.cpp
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@ -637,7 +637,7 @@ void taitojc_state::taitojc_map(address_map &map)
map(0x00400000, 0x01bfffff).rom().region("maingfx", 0);
map(0x04000000, 0x040f7fff).ram().share(m_vram);
map(0x040f8000, 0x040fbfff).ram().w(FUNC(taitojc_state::tile_w)).share(m_tile_ram);
map(0x040fc000, 0x040fefff).ram().w(FUNC(taitojc_state::char_w)).share(m_char_ram);
map(0x040fc000, 0x040fefff).rw(FUNC(taitojc_state::char_r), FUNC(taitojc_state::char_w));
map(0x040ff000, 0x040fffff).ram().share(m_objlist);
map(0x05800000, 0x0580003f).r(FUNC(taitojc_state::pcbid_r));
map(0x05900000, 0x05900007).rw(FUNC(taitojc_state::mcu_comm_r), FUNC(taitojc_state::mcu_comm_w));

5
src/mame/taito/taitojc.h
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@ -36,7 +36,7 @@ public:
, m_main_ram(*this, "main_ram")
, m_dsp_shared_ram(*this, "dsp_shared")
, m_tile_ram(*this, "tile_ram")
, m_char_ram(*this, "char_ram")
, m_char_ram(*this, "char_ram", 0x4000, ENDIANNESS_BIG)
, m_analog_ports(*this, "AN.%u", 0)
, m_lamps(*this, "lamp%u", 0U)
, m_counters(*this, "counter%u", 0U)
@ -69,7 +69,7 @@ protected:
required_shared_ptr<uint32_t> m_main_ram;
required_shared_ptr<uint16_t> m_dsp_shared_ram;
required_shared_ptr<uint32_t> m_tile_ram;
required_shared_ptr<uint32_t> m_char_ram;
memory_share_creator<uint32_t> m_char_ram;
optional_ioport_array<8> m_analog_ports;
@ -129,6 +129,7 @@ protected:
void tile_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
void char_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t char_r(offs_t offset);
TILE_GET_INFO_MEMBER(get_tile_info);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

14
src/mame/taito/taitojc_v.cpp
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@ -43,6 +43,11 @@ void taitojc_state::char_w(offs_t offset, uint32_t data, uint32_t mem_mask)
m_gfxdecode->gfx(0)->mark_dirty(offset/32);
}
uint32_t taitojc_state::char_r(offs_t offset)
{
return m_char_ram[offset];
}
// Object data format:
//
// 0x00: xxxxxx-- -------- -------- -------- Height
@ -99,11 +104,8 @@ void taitojc_state::draw_object(bitmap_ind16 &bitmap, const rectangle &cliprect,
if (BIT(w2, 14))
address |= 0x40000;
int x = ((w1 >> 0) & 0x3ff);
x = util::sext(x, 10); // sign-extend
int y = ((w1 >> 16) & 0x3ff);
y = util::sext(y, 10); // sign-extend
int x = util::sext(w1, 10);
int y = util::sext(w1 >> 16, 10);
int width = ((w1 >> 10) & 0x3f) << 4;
int height = ((w1 >> 26) & 0x3f) << 4;
@ -113,7 +115,7 @@ void taitojc_state::draw_object(bitmap_ind16 &bitmap, const rectangle &cliprect,
uint32_t const *v;
if (address >= 0xff000)
v = &m_objlist[(address - 0xff000) / 4];
if (address >= 0xfc000)
else if (address >= 0xfc000)
v = &m_char_ram[(address - 0xfc000) / 4];
else if (address >= 0xf8000)
v = &m_tile_ram[(address - 0xf8000) / 4];