/*
This file is part of jpcsp.
Jpcsp is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Jpcsp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Jpcsp. If not, see <http://www.gnu.org/licenses/>.
*/
package jpcsp.Allegrex.compiler.nativeCode;
import jpcsp.memory.IMemoryReader;
import jpcsp.memory.MemoryReader;
/**
* @author gid15
*
*/
public class Strrchr extends AbstractNativeCodeSequence {
static public void call() {
int srcAddr = getGprA0();
int c1 = getGprA1() & 0xFF;
int result = 0;
IMemoryReader memoryReader = MemoryReader.getMemoryReader(srcAddr, 1);
if (memoryReader != null) {
for (int i = 0; true; i++) {
int c2 = memoryReader.readNext();
if (c1 == c2) {
// Character found
result = srcAddr + i;
} else if (c2 == 0) {
// End of Src string found
break;
}
}
}
setGprV0(result);
}
}