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Slightly adjusted PRG strategy, made a note about where next.

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This commit is contained in:
Thomas Harte 2016-08-14 16:36:42 -04:00
parent 6079d30e58
commit 547aefb696
1 changed files with 19 additions and 3 deletions
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22
Machines/Commodore/Vic-20/Vic20.cpp
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@ -229,9 +229,25 @@ void Machine::add_prg(size_t length, const uint8_t *data)
set_typer_for_string("RUN\n");
}
_rom = new uint8_t[length - 2];
memcpy(_rom, &data[2], length - 2);
write_to_map(_processorReadMemoryMap, _rom, _rom_address, _rom_length);
if(_rom_address == 0xa000)
{
_rom = new uint8_t[length - 2];
memcpy(_rom, &data[2], length - 2);
write_to_map(_processorReadMemoryMap, _rom, _rom_address, _rom_length);
}
else
{
// TODO: write to virtual media (tape, probably?), load normally.
data += 2;
while(_rom_length)
{
uint8_t *ram = _processorWriteMemoryMap[_rom_address >> 10];
if(ram) ram[_rom_address & 0x3ff] = *data;
data++;
_rom_length--;
_rom_address++;
}
}
}
}