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bus/nes: Simplified KOF96 board. Removed deprecated poke(). (#9117)
Software list items promoted to working (nes.xml) --------------------------------------- The King of Fighters 96 (Asia) [kmg]
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@ -77460,7 +77460,7 @@ be better to redump them properly. -->
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</part>
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</software>
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<software name="kof96" supported="no">
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<software name="kof96">
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<description>The King of Fighters 96 (Asia)</description>
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<year>19??</year>
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<publisher><unknown></publisher>
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@ -242,8 +242,8 @@ nes_kof97_device::nes_kof97_device(const machine_config &mconfig, const char *ta
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{
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}
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nes_kof96_device::nes_kof96_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: nes_txrom_device(mconfig, NES_KOF96, tag, owner, clock)
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nes_kof96_device::nes_kof96_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: nes_txrom_device(mconfig, NES_KOF96, tag, owner, clock), m_mmc3_mode(true)
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{
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}
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@ -547,7 +547,6 @@ void nes_kasing_device::device_start()
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void nes_kasing_device::pcb_reset()
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{
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m_chr_source = m_vrom_chunks ? CHRROM : CHRRAM;
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m_mmc3_mode = true;
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mmc3_common_initialize(0xff, 0xff, 0);
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}
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@ -601,13 +600,13 @@ void nes_6035052_device::pcb_reset()
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void nes_kof96_device::device_start()
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{
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mmc3_start();
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save_item(NAME(m_reg));
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save_item(NAME(m_mmc3_mode));
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}
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void nes_kof96_device::pcb_reset()
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{
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m_chr_source = m_vrom_chunks ? CHRROM : CHRRAM;
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memset(m_reg, 0, sizeof(m_reg));
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m_mmc3_mode = true;
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mmc3_common_initialize(0xff, 0xff, 0);
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}
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@ -1861,129 +1860,59 @@ void nes_kof97_device::write_h(offs_t offset, uint8_t data)
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Bootleg Board for KOF96
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Games: The King of Fighters 96, Sonic 3D Blast 6, Street
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Fighter Zero 2
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Games: The King of Fighters 96, Street Fighter Zero 2
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MMC3 clone
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iNES: mapper 187
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In MESS: Preliminary Support.
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In MAME: Supported.
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-------------------------------------------------*/
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void nes_kof96_device::prg_cb(int start, int bank)
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{
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if (!(m_reg[0] & 0x80))
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prg8_x(start, bank);
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if (m_mmc3_mode)
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nes_txrom_device::prg_cb(start, bank);
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}
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void nes_kof96_device::chr_cb(int start, int bank, int source)
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{
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uint8_t chr_page = (m_latch & 0x80) >> 5;
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if ((start & 0x04) == chr_page)
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bank |= 0x100;
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bank |= (m_latch << 1) & (start << 6) & 0x100;
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chr1_x(start, bank, source);
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}
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void nes_kof96_device::write_l(offs_t offset, uint8_t data)
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void nes_kof96_device::write_l(offs_t offset, u8 data)
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{
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uint8_t new_bank;
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LOG_MMC(("kof96 write_l, offset: %04x, data: %02x\n", offset, data));
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offset += 0x100;
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if (offset == 0x1000)
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if ((offset & 0x5001) == 0x1000)
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{
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m_reg[0] = data;
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if (m_reg[0] & 0x80)
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{
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new_bank = (m_reg[0] & 0x1f);
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if (m_reg[0] & 0x20)
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prg32(new_bank >> 2);
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else
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{
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prg16_89ab(new_bank);
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prg16_cdef(new_bank);
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}
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}
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else
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m_mmc3_mode = !BIT(data, 7);
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if (m_mmc3_mode)
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set_prg(m_prg_base, m_prg_mask);
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}
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if (offset >= 0x1000)
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{
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switch (data & 0x03)
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else
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{
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case 0x00:
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case 0x01:
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m_reg[1] = 0x83;
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break;
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case 0x02:
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m_reg[1] = 0x42;
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break;
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case 0x03:
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m_reg[1] = 0x00;
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break;
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u8 bank = (data >> 1) & 0x0f;
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u8 mode = BIT(data, 5);
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prg16_89ab(bank & ~mode);
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prg16_cdef(bank | mode);
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}
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}
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if (!m_reg[3] && offset > 0x1000)
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{
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m_reg[3] = 1;
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poke(0x4017, 0x40); // FIXME
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}
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}
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uint8_t nes_kof96_device::read_l(offs_t offset)
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u8 nes_kof96_device::read_l(offs_t offset)
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{
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LOG_MMC(("kof96 read_l, offset: %04x\n", offset));
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offset += 0x100;
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if (!(offset < 0x1000))
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return m_reg[1];
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offset += 0x100;
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if (offset >= 0x1000)
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return 0x80; // unknown protection read, kof96 expects that MSB is set
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else
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return 0;
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}
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void nes_kof96_device::write_h(offs_t offset, uint8_t data)
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{
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LOG_MMC(("kof96 write_h, offset: %04x, data: %02x\n", offset, data));
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switch (offset & 0x6003)
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{
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case 0x0000:
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m_reg[2] = 1;
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txrom_write(0x0000, data);
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break;
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case 0x0001:
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if (m_reg[2])
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txrom_write(0x0001, data);
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break;
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case 0x0002:
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break;
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case 0x0003:
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m_reg[2] = 0;
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if (data == 0x28)
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prg8_cd(0x17);
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else if (data == 0x2a)
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prg8_ab(0x0f);
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break;
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default:
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txrom_write(offset, data);
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break;
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}
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}
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/*-------------------------------------------------
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Bootleg Board for Super Fighter III
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@ -356,11 +356,10 @@ class nes_kof96_device : public nes_txrom_device
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{
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public:
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// construction/destruction
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nes_kof96_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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nes_kof96_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
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virtual uint8_t read_l(offs_t offset) override;
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virtual void write_l(offs_t offset, uint8_t data) override;
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virtual void write_h(offs_t offset, uint8_t data) override; // offset does not really count for this mapper
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virtual u8 read_l(offs_t offset) override;
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virtual void write_l(offs_t offset, u8 data) override;
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virtual void prg_cb(int start, int bank) override;
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virtual void chr_cb(int start, int bank, int source) override;
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@ -371,7 +370,7 @@ protected:
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virtual void device_start() override;
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private:
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uint8_t m_reg[4];
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bool m_mmc3_mode;
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};
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@ -574,12 +574,6 @@ void device_nes_cart_interface::reset_cpu()
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m_maincpu->set_pc(0xfffc);
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}
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void device_nes_cart_interface::poke(offs_t offset, uint8_t data)
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{
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// even worse hack
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m_maincpu->space(AS_PROGRAM).write_byte(offset, data);
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}
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//-------------------------------------------------
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// Other helpers
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//-------------------------------------------------
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@ -269,7 +269,6 @@ protected:
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DECLARE_WRITE_LINE_MEMBER(set_irq_line);
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[[deprecated("IRQs should be cleared explicitly")]] void hold_irq_line();
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void reset_cpu();
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[[deprecated("devices should stop poking into memory spaces where they don't belong")]] void poke(offs_t offset, uint8_t data);
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// internal state
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uint8_t *m_prg;
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