/*
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 Strcasecmp extends AbstractNativeCodeSequence {
static public void call() {
int src1Addr = getGprA0();
int src2Addr = getGprA1();
IMemoryReader memoryReader1 = MemoryReader.getMemoryReader(src1Addr, 1);
IMemoryReader memoryReader2 = MemoryReader.getMemoryReader(src2Addr, 1);
if (memoryReader1 != null && memoryReader2 != null) {
while (true) {
int c1 = toLowerCase[memoryReader1.readNext()];
int c2 = toLowerCase[memoryReader2.readNext()];
if (c1 != c2) {
setGprV0(c1 - c2);
return;
} else if (c1 == 0) {
// c1 == 0 and c2 == 0
break;
}
}
}
setGprV0(0);
}
}