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This commit is contained in:
David Haywood 2015-10-28 22:22:51 +00:00
parent d481cbf01b
commit bfba6e75e9
2 changed files with 18 additions and 1 deletions
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16
src/devices/bus/vcs/dpcplus.c
View File

@ -56,9 +56,23 @@ void a26_rom_dpcplus_device::device_reset()
m_base_bank = 0;
}
READ32_MEMBER(a26_rom_dpcplus_device::armrom_r)
{
UINT32 ret = (a26_rom_f8_device::read_rom(space, offset * 4 + 3) << 24) |
(a26_rom_f8_device::read_rom(space, offset * 4 + 2) << 16) |
(a26_rom_f8_device::read_rom(space, offset * 4 + 1) << 8) |
(a26_rom_f8_device::read_rom(space, offset * 4 + 0) << 0);
return ret;
}
WRITE32_MEMBER(a26_rom_dpcplus_device::armrom_w)
{
}
static ADDRESS_MAP_START( dpcplus_arm7_map, AS_PROGRAM, 32, a26_rom_dpcplus_device )
// todo: implement all this correctly
//AM_RANGE(0x00000000, 0x00007fff) AM_ROM // flash, 32k
AM_RANGE(0x00000000, 0x00007fff) AM_READWRITE(armrom_r,armrom_w)// flash, 32k
AM_RANGE(0x40000000, 0x40001fff) AM_RAM // sram, 8k
ADDRESS_MAP_END

3
src/devices/bus/vcs/dpcplus.h
View File

@ -24,6 +24,9 @@ public:
virtual DECLARE_READ8_MEMBER(read_rom);
virtual DECLARE_WRITE8_MEMBER(write_bank);
DECLARE_READ32_MEMBER(armrom_r);
DECLARE_WRITE32_MEMBER(armrom_w);
protected:
};