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(MESS) msx.c: Added a small workaround to support systems with 8KB RAM.

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This commit is contained in:
Wilbert Pol 2014-09-13 18:39:42 +00:00
parent c709f7f5f6
commit f77740b23e
1 changed files with 9 additions and 0 deletions
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9
src/emu/bus/msx_slot/ram.h
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@ -5,12 +5,19 @@
#define MCFG_MSX_SLOT_RAM_ADD(_tag, _startpage, _numpages) \
MCFG_MSX_INTERNAL_SLOT_ADD(_tag, MSX_SLOT_RAM, _startpage, _numpages)
#define MCFG_MSX_SLOT_RAM_8KB \
msx_slot_ram_device::force_start_address(*device, 0xe000);
class msx_slot_ram_device : public device_t,
public msx_internal_slot_interface
{
public:
msx_slot_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
static void force_start_address(device_t &device, UINT16 start) { downcast<msx_slot_ram_device &>(device).m_start_address = start; }
virtual void device_start();
virtual DECLARE_READ8_MEMBER(read);
@ -20,6 +27,8 @@ private:
dynamic_array<UINT8> m_ram;
};
extern const device_type MSX_SLOT_RAM;
#endif