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bus/msx/cart/ram.cpp: Added Popolon Musical Memory Mapper cartride. (#12365)

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wilbertpol 2024-05-16 18:16:45 +01:00 committed by GitHub
parent 0fe45bab16
commit 85774767c8
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3 changed files with 58 additions and 3 deletions
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59
src/devices/bus/msx/cart/ram.cpp
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@ -88,7 +88,6 @@ Not supported memory mappers:
- MSX Cartridge Shop MegaFlashROM SCC+ SD
- Padial LPE-4FMB-V8SKP - 4MB memory mapper + MegaRam mode
- Playsonic - 4MB memory mapper, up to 16MB through extra register
- Popolon Musical Memory Mapper - 1MB memory mapper + SN76489AN
- Stichting CODE MCR-025 - 256KB memory mapper + RAM Disk + Printer buffer
- Stichting CODE MCR-051 - 512KB memory mapper + RAM Disk + Printer buffer
- Stichting CODE MCR-076 - 768KB memory mapper + RAM Disk + Printer buffer
@ -100,8 +99,8 @@ Not supported memory mappers:
#include "slotoptions.h"
#include "bus/msx/slot/cartridge.h"
#include "bus/generic/slot.h"
#include "sound/sn76496.h"
@ -115,6 +114,7 @@ DECLARE_DEVICE_TYPE(MSX_CART_768K_MM_RAM, msx_cart_interface)
DECLARE_DEVICE_TYPE(MSX_CART_1024K_MM_RAM, msx_cart_interface)
DECLARE_DEVICE_TYPE(MSX_CART_2048K_MM_RAM, msx_cart_interface)
DECLARE_DEVICE_TYPE(MSX_CART_4096K_MM_RAM, msx_cart_interface)
DECLARE_DEVICE_TYPE(MSX_CART_MMM, msx_cart_interface)
void msx_cart_ram_register_options(device_slot_interface &device)
{
@ -129,6 +129,7 @@ void msx_cart_ram_register_options(device_slot_interface &device)
device.option_add(slotoptions::MM1024K, MSX_CART_1024K_MM_RAM);
device.option_add(slotoptions::MM2048K, MSX_CART_2048K_MM_RAM);
device.option_add(slotoptions::MM4096K, MSX_CART_4096K_MM_RAM);
device.option_add(slotoptions::MMM, MSX_CART_MMM);
}
namespace {
@ -244,7 +245,6 @@ protected:
template <int Bank> void bank_w(u8 data);
private:
memory_bank_array_creator<4> m_rambank;
u8 m_bank_mask;
};
@ -334,6 +334,58 @@ public:
{ }
};
class msx_cart_mmm_device : public msx_cart_base_mm_ram_device
{
public:
msx_cart_mmm_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: msx_cart_base_mm_ram_device(mconfig, MSX_CART_MMM, tag, owner, clock, 1024 * 1024)
, m_sn76489a(*this, "sn76489a")
, m_access_enabled(false)
, m_sn76489_enabled(false)
{ }
protected:
virtual void device_start() override;
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<sn76496_base_device> m_sn76489a;
bool m_access_enabled;
bool m_sn76489_enabled;
};
void msx_cart_mmm_device::device_start()
{
msx_cart_base_mm_ram_device::device_start();
m_access_enabled = false;
m_sn76489_enabled = false;
io_space().install_write_tap(0x3c, 0x3c, "ena_access", [this] (offs_t, u8& data, u8){ this->m_access_enabled = BIT(data, 7); });
io_space().install_write_tap(0x3f, 0x3f, "sn76489w", [this] (offs_t, u8& data, u8){ if (m_sn76489_enabled) this->m_sn76489a->write(data); });
page(2)->install_write_tap(0x803c, 0x803c, "ena_sn76489", [this] (offs_t, u8& data, u8){ if (m_access_enabled) this->m_sn76489_enabled |= BIT(data, 6); });
page(2)->install_read_tap(0x80fc, 0x80fc, "map00r", [this] (offs_t, u8& data, u8){ if (m_access_enabled) data = 0xc0 | this->m_rambank[0]->entry(); });
page(2)->install_read_tap(0x80fd, 0x80fd, "map40r", [this] (offs_t, u8& data, u8){ if (m_access_enabled) data = 0xc0 | this->m_rambank[1]->entry(); });
page(2)->install_read_tap(0x80fe, 0x80fe, "map80r", [this] (offs_t, u8& data, u8){ if (m_access_enabled) data = 0xc0 | this->m_rambank[2]->entry(); });
page(2)->install_read_tap(0x80ff, 0x80ff, "mapc0r", [this] (offs_t, u8& data, u8){ if (m_access_enabled) data = 0xc0 | this->m_rambank[3]->entry(); });
page(2)->install_write_tap(0x80fc, 0x80fc, "map00w", [this] (offs_t, u8& data, u8){ if (m_access_enabled) this->bank_w<0>(data); });
page(2)->install_write_tap(0x80fd, 0x80fd, "map40w", [this] (offs_t, u8& data, u8){ if (m_access_enabled) this->bank_w<1>(data); });
page(2)->install_write_tap(0x80fe, 0x80fe, "map80w", [this] (offs_t, u8& data, u8){ if (m_access_enabled) this->bank_w<2>(data); });
page(2)->install_write_tap(0x80ff, 0x80ff, "mapc0w", [this] (offs_t, u8& data, u8){ if (m_access_enabled) this->bank_w<3>(data); });
save_item(NAME(m_access_enabled));
save_item(NAME(m_sn76489_enabled));
}
void msx_cart_mmm_device::device_add_mconfig(machine_config &config)
{
SN76489A(config, m_sn76489a, DERIVED_CLOCK(1, 3));
if (parent_slot())
m_sn76489a->add_route(ALL_OUTPUTS, soundin(), 0.8);
}
} // anonymous namespace
@ -347,3 +399,4 @@ DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_768K_MM_RAM, msx_cart_interface, msx_cart_7
DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_1024K_MM_RAM, msx_cart_interface, msx_cart_1024k_mm_ram_device, "msx_cart_1024k_mm_ram", "Generic MSX 1024K MM RAM Expansion")
DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_2048K_MM_RAM, msx_cart_interface, msx_cart_2048k_mm_ram_device, "msx_cart_2048k_mm_ram", "Generic MSX 2048K MM RAM Expansion")
DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_4096K_MM_RAM, msx_cart_interface, msx_cart_4096k_mm_ram_device, "msx_cart_4096k_mm_ram", "Generic MSX 4096K MM RAM Expansion")
DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_MMM, msx_cart_interface, msx_cart_mmm_device, "msx_cart_mmm", "Popolon Musical Memory Mapper")

1
src/devices/bus/msx/cart/slotoptions.cpp
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@ -63,6 +63,7 @@ char const *const MM768K = "mm768k";
char const *const MM1024K = "mm1024k";
char const *const MM2048K = "mm2048k";
char const *const MM4096K = "mm4096k";
char const *const MMM = "mmm";
char const *const MOONSOUND = "moonsound";
char const *const MSXAUD_FSCA1 = "msxaud_fsca1";
char const *const MSXAUD_HXMU900 = "msxaud_hxmu900";

1
src/devices/bus/msx/cart/slotoptions.h
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@ -66,6 +66,7 @@ extern char const *const MM768K;
extern char const *const MM1024K;
extern char const *const MM2048K ;
extern char const *const MM4096K;
extern char const *const MMM;
extern char const *const MOONSOUND;
extern char const *const MSXAUD_FSCA1;
extern char const *const MSXAUD_HXMU900;