void UIHexEditorWnd::overwrite(s64 index, char ch)
{
u8 data = MappedMemoryReadByte(index / 2);
char str[2] = { ch, '\0' };
ch = strtol(str, NULL, 16);
if (index % 2 == 0)
MappedMemoryWriteByte(index / 2, data & 0xF | (ch << 4));
else
MappedMemoryWriteByte(index / 2, data & 0xF0 | ch);
resetSelection();
}
int MappedMemoryLoad(const char *filename, u32 addr)
{
FILE *fp;
u32 filesize;
u8 *buffer;
u32 i;
if (!filename)
return -1;
if ((fp = fopen(filename, "rb")) == NULL)
return -1;
// Calculate file size
fseek(fp, 0, SEEK_END);
filesize = ftell(fp);
fseek(fp, 0, SEEK_SET);
if ((buffer = (u8 *)malloc(filesize)) == NULL)
{
fclose(fp);
return -2;
}
fread((void *)buffer, 1, filesize, fp);
fclose(fp);
for (i = 0; i < filesize; i++)
MappedMemoryWriteByte(addr+i, buffer[i]);
free(buffer);
return 0;
}
void CheatDoPatches(void)
{
int i;
for (i = 0; ; i++)
{
switch (cheatlist[i].type)
{
case CHEATTYPE_NONE:
return;
case CHEATTYPE_ENABLE:
if (cheatlist[i].enable == 0)
continue;
if (MappedMemoryReadWord(cheatlist[i].addr) != cheatlist[i].val)
return;
break;
case CHEATTYPE_BYTEWRITE:
if (cheatlist[i].enable == 0)
continue;
MappedMemoryWriteByte(cheatlist[i].addr, (u8)cheatlist[i].val);
SH2WriteNotify(cheatlist[i].addr, 1);
break;
case CHEATTYPE_WORDWRITE:
if (cheatlist[i].enable == 0)
continue;
MappedMemoryWriteWord(cheatlist[i].addr, (u16)cheatlist[i].val);
SH2WriteNotify(cheatlist[i].addr, 2);
break;
case CHEATTYPE_LONGWRITE:
if (cheatlist[i].enable == 0)
continue;
MappedMemoryWriteLong(cheatlist[i].addr, cheatlist[i].val);
SH2WriteNotify(cheatlist[i].addr, 4);
break;
}
}
}
void UIHexEditorWnd::overwrite(u32 addr, u8 data)
{
MappedMemoryWriteByte(addr, data);
resetSelection();
}
void UIHexEditorWnd::clear(u32 index, int len)
{
for (int i=0; i < len; i++)
MappedMemoryWriteByte(index+i, 0);
}
