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Add 0x0E code support

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Anon 2017-01-31 19:06:25 -06:00
parent fdb6c878d8
commit dca184527e
1 changed files with 28 additions and 2 deletions
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30
src/core/cheat_core.cpp
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@ -371,8 +371,34 @@ void GatewayCheat::Execute() {
}
}
}
case 0x0E: { // EXXXXXXX YYYYYYYY Copy YYYYYYYY parameter bytes to [XXXXXXXX+offset...]
// TODO: Implement whatever this is...
case 0x0E: {
// Patch Code (Miscellaneous Memory Manipulation Codes)
// EXXXXXXX YYYYYYYY
// Copies YYYYYYYY bytes from (current code location + 8) to [XXXXXXXX + offset].
auto x = line.address & 0x0FFFFFFF;
auto y = line.value;
addr = x + offset;
{
u32 j = 0, t = 0, b = 0;
if (y > 0)
i++; // skip over the current code
while (y >= 4) {
u32 tmp = (t == 0) ? cheat_lines[i].address : cheat_lines[i].value;
if (t == 1)
i++;
t ^= 1;
Memory::Write32(addr, tmp);
addr += 4;
y -= 4;
}
while (y > 0) {
u32 tmp = ((t == 0) ? cheat_lines[i].address : cheat_lines[i].value) >> b;
Memory::Write8(addr, tmp);
addr += 1;
y -= 1;
b += 4;
}
}
break;
}
}