// Allows writes to the ROM memory for hacking
void gbaWriteMemory(u32 addr, u32 value) {
if (addr<0x8000000 || addr>=0xD000000) CPUWriteMemory(addr, value);
#ifndef USE_VM
else WRITE32LE(((u16 *)&rom[addr&0x1FFFFFC]), value);
#endif
}
int LoadDotCodeData(int size, u32* DCdata, unsigned long MEM1, unsigned long MEM2, int loadraw)
{
u32 temp1;
int i,j;
unsigned char scanmap[28];
int scantotal=0;
for(i=0;i<28;i++)
scanmap[i] = 0;
unsigned char longdotcodescan[28] = {
0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1,
0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1,
0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1,
0xF1, 0xF2, 0xB1, 0xB1
};
unsigned char shortdotcodescan[18] = {
0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1,
0xF1, 0xF1, 0xF1, 0xF1, 0xF1, 0xF1,
0xF1, 0xF1, 0xF1, 0xF2, 0xB1, 0xB1
};
temp1 = CPUReadMemory(MEM1-4);
for(i=0;i<0x60;i+=4)
CPUWriteMemory((MEM2-8)+i,0);
for(i=0;i<0x1860;i+=4)
CPUWriteMemory(temp1+i,0);
if(DCdata != NULL)
{
if(size==0xB60)
{
for(i=0;i<28;i++)
{
for(j=0,scantotal=0;j<0x68;j+=4)
{
scantotal += DCdata[((i*0x68)+j)>>2];
}
if(scantotal)
scanmap[i] = longdotcodescan[i];
}
for(i=0;i<size;i+=4)
{
CPUWriteMemory(temp1+i+0x9C0,DCdata[i>>2]);
}
}
else if (size==0x750)
{
for(i=0;i<18;i++)
{
if((DCdata[0] == 0x02011394) && (DCdata[1] == 0x0203E110) && (i == 0))
continue;
for(j=0,scantotal=0;j<0x68;j+=4)
{
scantotal += DCdata[((i*0x68)+j)>>2];
}
if(scantotal)
scanmap[i] = longdotcodescan[i];
}
for(i=0;i<size;i+=4)
{
CPUWriteMemory(temp1+i,DCdata[i>>2]);
}
}
}
int cheatsCheckKeys()
{
u32 extended = 0; //0 bis ich es verstehe
bool onoff = true;
int ticks = 0;
int i;
mastercode = 0;
for (i = 0; i<4; i++)
if (rompatch2addr [i] != 0) {
CHEAT_PATCH_ROM_16BIT(rompatch2addr [i],rompatch2oldval [i]);
rompatch2addr [i] = 0;
}
for (i = 0; i < cheatsNumber; i++) {
if(!cheatsList[i].enabled) {
// make sure we skip other lines in this code
i += getCodeLength(i)-1;
continue;
}
switch(cheatsList[i].size) {
case GSA_CODES_ON:
onoff = true;
break;
case GSA_SLOWDOWN:
// check if button was pressed and released, if so toggle our state
if((cheatsList[i].status & 4) && !(extended & 4))
cheatsList[i].status ^= 1;
if(extended & 4)
cheatsList[i].status |= 4;
else
cheatsList[i].status &= ~4;
if(cheatsList[i].status & 1)
ticks += ((cheatsList[i].value & 0xFFFF) * 7);
break;
case GSA_8_BIT_SLIDE:
i++;
if(i < cheatsNumber) {
u32 addr = cheatsList[i-1].value;
u8 value = cheatsList[i].rawaddress;
int vinc = (cheatsList[i].value >> 24) & 255;
int count = (cheatsList[i].value >> 16) & 255;
int ainc = (cheatsList[i].value & 0xffff);
while(count > 0) {
CPUWriteByte(addr, value);
value += vinc;
addr += ainc;
count--;
}
}
break;
case GSA_16_BIT_SLIDE:
i++;
if(i < cheatsNumber) {
u32 addr = cheatsList[i-1].value;
u16 value = cheatsList[i].rawaddress;
int vinc = (cheatsList[i].value >> 24) & 255;
int count = (cheatsList[i].value >> 16) & 255;
int ainc = (cheatsList[i].value & 0xffff)*2;
while(count > 0) {
CPUWriteHalfWord(addr, value);
value += vinc;
addr += ainc;
count--;
}
}
break;
case GSA_32_BIT_SLIDE:
i++;
if(i < cheatsNumber) {
u32 addr = cheatsList[i-1].value;
u32 value = cheatsList[i].rawaddress;
int vinc = (cheatsList[i].value >> 24) & 255;
int count = (cheatsList[i].value >> 16) & 255;
int ainc = (cheatsList[i].value & 0xffff)*4;
while(count > 0) {
CPUWriteMemory(addr, value);
value += vinc;
addr += ainc;
count--;
}
}
