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allow 8kb and 48kb sizes

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This commit is contained in:
Michaël Banaan Ananas 2014-06-17 19:20:01 +00:00
parent d775dfb341
commit 3714cc3043
2 changed files with 19 additions and 8 deletions
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8
src/emu/bus/msx_cart/cartridge.c
View File

@ -66,22 +66,22 @@ msx_cart_interface::msx_cart_interface(const machine_config &mconfig, device_t &
void msx_cart_interface::rom_alloc(UINT32 size) void msx_cart_interface::rom_alloc(UINT32 size)
{ {
m_rom.resize(size); m_rom.resize_and_clear(size, 0xff);
} }
void msx_cart_interface::rom_vlm5030_alloc(UINT32 size) void msx_cart_interface::rom_vlm5030_alloc(UINT32 size)
{ {
m_rom_vlm5030.resize(size); m_rom_vlm5030.resize_and_clear(size, 0xff);
} }
void msx_cart_interface::ram_alloc(UINT32 size) void msx_cart_interface::ram_alloc(UINT32 size)
{ {
m_ram.resize(size); m_ram.resize_and_clear(size);
} }
void msx_cart_interface::sram_alloc(UINT32 size) void msx_cart_interface::sram_alloc(UINT32 size)
{ {
m_sram.resize(size); m_sram.resize_and_clear(size);
} }

19
src/emu/bus/msx_slot/cartridge.c
View File

@ -137,11 +137,22 @@ bool msx_slot_cartridge_device::call_load()
else else
{ {
UINT32 length = this->length(); UINT32 length = this->length();
UINT32 length_aligned = 0x4000; // determine how much space to allocate
while (length_aligned < length ) UINT32 length_aligned = 0x10000;
if (length <= 0x2000)
length_aligned = 0x2000;
else if (length <= 0x4000)
length_aligned = 0x4000;
else if (length <= 0x8000)
length_aligned = 0x8000;
else if (length <= 0xc000)
length_aligned = 0xc000;
else
{ {
length_aligned *= 2; while (length_aligned < length )
length_aligned *= 2;
} }
m_cartridge->rom_alloc(length_aligned); m_cartridge->rom_alloc(length_aligned);