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msx ink: fix regression with flash read

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This commit is contained in:
hap 2024-04-12 15:22:24 +02:00
parent 700ed63aee
commit c5c8474c6f
1 changed files with 11 additions and 4 deletions
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15
src/devices/bus/msx/cart/ink.cpp
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@ -35,6 +35,7 @@ protected:
private:
required_device<amd_29f040_device> m_flash;
template <int Page> u8 read_page(offs_t offset);
template <int Page> void write_page(offs_t offset, u8 data);
};
@ -65,10 +66,10 @@ std::error_condition msx_cart_ink_device::initialize_cartridge(std::string &mess
u8 *flash = memregion("flash")->base();
memcpy(flash, cart_rom_region()->base(), size);
page(0)->install_rom(0x0000, 0x3fff, flash);
page(1)->install_rom(0x4000, 0x7fff, flash + 0x4000);
page(2)->install_rom(0x8000, 0xbfff, flash + 0x8000);
page(3)->install_rom(0xc000, 0xffff, flash + 0xc000);
page(0)->install_read_handler(0x0000, 0x3fff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::read_page<0>)));
page(1)->install_read_handler(0x4000, 0x7fff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::read_page<1>)));
page(2)->install_read_handler(0x8000, 0xbfff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::read_page<2>)));
page(3)->install_read_handler(0xc000, 0xffff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::read_page<3>)));
page(0)->install_write_handler(0x0000, 0x3fff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::write_page<0>)));
page(1)->install_write_handler(0x4000, 0x7fff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::write_page<1>)));
page(2)->install_write_handler(0x8000, 0xbfff, emu::rw_delegate(*this, FUNC(msx_cart_ink_device::write_page<2>)));
@ -77,6 +78,12 @@ std::error_condition msx_cart_ink_device::initialize_cartridge(std::string &mess
return std::error_condition();
}
template <int Page>
u8 msx_cart_ink_device::read_page(offs_t offset)
{
return m_flash->read(offset | (Page * 0x4000));
}
template <int Page>
void msx_cart_ink_device::write_page(offs_t offset, u8 data)
{