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bus/nes: Simplified Kay A9711 board and fixed multicart support. (#9133)

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Software list items promoted to working (nes.xml)
---------------------------------------
Super 3 in 1 (NT-934) [kmg]
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0kmg 2022-01-11 03:45:41 -09:00 committed by GitHub
parent a3410e0b31
commit 4ae94c4b89
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 65 additions and 128 deletions
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21
hash/nes.xml
View File

@ -65359,9 +65359,6 @@ We don't include these hacks because they were not burned into real carts nor so
<dataarea name="prg" size="262144">
<rom name="super lion king 2, the (unl).prg" size="262144" crc="39d36377" sha1="edbc091d7e954793ce466d4f2122e07771f0d1a0" offset="00000" status="baddump" />
</dataarea>
<!-- 8k WRAM on cartridge -->
<dataarea name="wram" size="8192">
</dataarea>
</part>
</software>
@ -77802,7 +77799,7 @@ be better to redump them properly. -->
</part>
</software>
<software name="mk6">
<software name="mk6" supported="partial">
<description>Mortal Kombat 6 (Asia)</description>
<year>1997</year>
<publisher>N.T</publisher>
@ -77815,9 +77812,6 @@ be better to redump them properly. -->
<dataarea name="prg" size="131072">
<rom name="mortal kombat 6 (unl).prg" size="131072" crc="e99f996d" sha1="f14c9d79f4b33f833a6a8256455cb060e2a73ed2" offset="00000" status="baddump" />
</dataarea>
<!-- 8k WRAM on cartridge -->
<dataarea name="wram" size="8192">
</dataarea>
</part>
</software>
@ -78368,9 +78362,6 @@ be better to redump them properly. -->
<dataarea name="prg" size="131072">
<rom name="super real bout 97 (unl).prg" size="131072" crc="7977530c" sha1="6b23129444a5a6d1a7c8f4a7bbdf319337124376" offset="00000" status="baddump" />
</dataarea>
<!-- 8k VRAM on cartridge -->
<dataarea name="vram" size="8192">
</dataarea>
</part>
</software>
@ -78632,7 +78623,7 @@ be better to redump them properly. -->
</part>
</software>
<software name="umk3">
<software name="umk3" supported="partial">
<description>Ultimate Mortal Kombat 3 (Asia)</description>
<year>19??</year>
<publisher>&lt;unknown&gt;</publisher>
@ -78645,9 +78636,6 @@ be better to redump them properly. -->
<dataarea name="prg" size="131072">
<rom name="ultimate mortal kombat 3 (unl).prg" size="131072" crc="8e7f85bd" sha1="69c45c46cb5a0faca02ebb76c808ad8cdbd2b5f7" offset="00000" status="baddump" />
</dataarea>
<!-- 8k WRAM on cartridge -->
<dataarea name="wram" size="8192">
</dataarea>
</part>
</software>
@ -78828,9 +78816,6 @@ be better to redump them properly. -->
<dataarea name="prg" size="131072">
<rom name="yuu yuu hakusho 97 v (unl).prg" size="131072" crc="5191fb3e" sha1="7aa09e3ac055b8b9436a29d2495720b2e6ce915b" offset="00000" status="baddump" />
</dataarea>
<!-- 8k WRAM on cartridge -->
<dataarea name="wram" size="8192">
</dataarea>
</part>
</software>
@ -84173,7 +84158,7 @@ be better to redump them properly. -->
</part>
</software>
<software name="mc_s3a" supported="no">
<software name="mc_s3a">
<description>Super 3 in 1 (NT-934)</description>
<year>19??</year>
<publisher>&lt;pirate&gt;</publisher>

156
src/devices/bus/nes/mmc3_clones.cpp
View File

@ -217,7 +217,7 @@ nes_sgboog_device::nes_sgboog_device(const machine_config &mconfig, const char *
{
}
nes_kay_device::nes_kay_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
nes_kay_device::nes_kay_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: nes_txrom_device(mconfig, NES_KAY, tag, owner, clock), m_low_reg(0)
{
}
@ -562,9 +562,9 @@ void nes_kay_device::pcb_reset()
{
m_chr_source = m_vrom_chunks ? CHRROM : CHRRAM;
memset(m_reg, 0, sizeof(m_reg));
std::fill(std::begin(m_reg), std::end(m_reg), 0x00);
m_low_reg = 0;
mmc3_common_initialize(0xff, 0xff, 0);
mmc3_common_initialize(0x1f, 0xff, 0);
}
@ -1561,7 +1561,7 @@ void nes_sglionk_device::write_h(offs_t offset, u8 data)
/*-------------------------------------------------
Bootleg Board by Kay (for Panda Prince)
A9711/A9713 Bootleg Boards by Kay (for Panda Prince)
Games: The Panda Prince, Sonic 3d Blast 6, SFZ2 '97, YuYu '97
(and its title hack MK6), UMK3, Super Lion King 2
@ -1570,137 +1570,89 @@ void nes_sglionk_device::write_h(offs_t offset, u8 data)
iNES: mapper 121
In MESS: Most game works, with some graphical issues.
In MAME: Supported.
TODO: Most of the fighting games have graphical issues
with backgrounds on some stages. Due to common timing
issue with PPU/MMC3? Super Lion King 2's title screen
is also inexplicably broken.
-------------------------------------------------*/
void nes_kay_device::write_l(offs_t offset, uint8_t data)
void nes_kay_device::write_l(offs_t offset, u8 data)
{
LOG_MMC(("kay write_l, offset: %04x, data: %02x\n", offset, data));
offset += 0x100;
offset += 0x100;
if (offset >= 0x1000)
m_low_reg = data & 0x03;
if ((offset & 0x1180) == 0x1180) // only written by Super 3-in-1
{
switch (data & 0x03)
{
case 0x00:
case 0x01:
m_low_reg = 0x83;
break;
case 0x02:
m_low_reg = 0x42;
break;
case 0x03:
m_low_reg = 0x00;
break;
}
m_prg_base = (data & 0x80) >> 2;
set_prg(m_prg_base, m_prg_mask);
m_chr_base = m_prg_base << 3;
set_chr(m_chr_source, m_chr_base, m_chr_mask);
}
}
uint8_t nes_kay_device::read_l(offs_t offset)
u8 nes_kay_device::read_l(offs_t offset)
{
LOG_MMC(("kay read_l, offset: %04x\n", offset));
static constexpr u8 prot_table[4] = {0x83, 0x83, 0x42, 0x00};
offset += 0x100;
if (offset >= 0x1000)
return m_low_reg;
return prot_table[m_low_reg];
else
return 0xff;
}
void nes_kay_device::update_regs()
{
switch (m_reg[5] & 0x3f)
{
case 0x20:
case 0x29:
case 0x2b:
case 0x3f:
m_reg[7] = 1;
m_reg[1] = m_reg[6];
break;
case 0x26:
m_reg[7] = 0;
m_reg[1] = m_reg[6];
break;
case 0x2c:
m_reg[7] = 1;
if (m_reg[6])
m_reg[1] = m_reg[6];
break;
case 0x28:
m_reg[7] = 0;
m_reg[2] = m_reg[6];
break;
case 0x2a:
m_reg[7] = 0;
m_reg[3] = m_reg[6];
break;
case 0x2f:
break;
default:
m_reg[5] = 0;
break;
}
}
void nes_kay_device::prg_cb(int start, int bank)
{
if (m_reg[5] & 0x3f)
{
prg8_x(start, bank & 0x3f);
prg8_ef(m_reg[1]);
prg8_cd(m_reg[2]);
prg8_ab(m_reg[3]);
}
else
prg8_x(start, bank & 0x3f);
return get_open_bus();
}
void nes_kay_device::chr_cb(int start, int bank, int source)
{
uint8_t chr_page = (m_latch & 0x80) >> 5;
if ((start & 0x04) == chr_page)
bank |= 0x100;
bank |= (m_latch << 1) & (start << 6) & 0x100;
chr1_x(start, bank, source);
}
void nes_kay_device::write_h(offs_t offset, uint8_t data)
void nes_kay_device::set_prg(int prg_base, int prg_mask)
{
nes_txrom_device::set_prg(prg_base, prg_mask);
if (BIT(m_reg[4], 5))
{
prg8_ab(prg_base | m_reg[0]);
prg8_cd(prg_base | m_reg[1]);
prg8_ef(prg_base | m_reg[2]);
}
}
void nes_kay_device::write_h(offs_t offset, u8 data)
{
LOG_MMC(("kay write_h, offset: %04x, data: %02x\n", offset, data));
txrom_write(offset, data);
switch (offset & 0x6003)
{
case 0x0000:
txrom_write(offset, data);
set_prg(m_prg_base, m_prg_mask);
break;
case 0x0001:
m_reg[6] = (BIT(data, 0) << 5) | (BIT(data, 1) << 4) | (BIT(data, 2) << 3)
| (BIT(data, 3) << 2) | (BIT(data, 4) << 1) | BIT(data, 5);
if (!m_reg[7])
update_regs();
txrom_write(offset, data);
set_prg(m_prg_base, m_prg_mask);
m_reg[3] = bitswap<6>(data, 0, 1, 2, 3, 4, 5);
switch (m_reg[4])
{
case 0x26:
case 0x28:
case 0x2a:
m_reg[(0x2a - m_reg[4]) / 2] = m_reg[3];
set_prg(m_prg_base, m_prg_mask);
break;
}
break;
case 0x0003:
m_reg[5] = data;
update_regs();
txrom_write(0x0000, data);
m_reg[4] = data & 0x3f;
if (BIT(m_reg[4], 5) && m_reg[3])
m_reg[2] = m_reg[3];
set_prg(m_prg_base, m_prg_mask);
break;
default:
txrom_write(offset, data);
break;
}
}

16
src/devices/bus/nes/mmc3_clones.h
View File

@ -251,12 +251,11 @@ class nes_kay_device : public nes_txrom_device
{
public:
// construction/destruction
nes_kay_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
nes_kay_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
virtual uint8_t read_l(offs_t offset) override;
virtual void write_l(offs_t offset, uint8_t data) override;
virtual void write_h(offs_t offset, uint8_t data) override;
virtual void prg_cb(int start, int bank) override;
virtual u8 read_l(offs_t offset) override;
virtual void write_l(offs_t offset, u8 data) override;
virtual void write_h(offs_t offset, u8 data) override;
virtual void chr_cb(int start, int bank, int source) override;
virtual void pcb_reset() override;
@ -265,10 +264,11 @@ protected:
// device-level overrides
virtual void device_start() override;
virtual void set_prg(int prg_base, int prg_mask) override;
private:
void update_regs();
uint8_t m_reg[8];
uint8_t m_low_reg;
u8 m_reg[5];
u8 m_low_reg;
};