u32 ScrollOutput()
{
u32 log_start = LogWrite(NULL);
// careful, these areas are used by other functions in Decrypt9
char** logptr = (char**) 0x20316000;
char* logtext = (char*) 0x20400000;
u32 log_size = 0; // log size
u32 l_total = 0; // total lines
u32 l_curr = 0; // current line
if (!FileOpen(LOG_FILE))
return 0;
log_size = FileGetSize();
if ((log_size <= log_start) || (log_size - log_start >= 1024 * 1024)) {
FileClose();
return 0; // allow 1MB of text max
}
log_size -= log_start;
if (!FileRead(logtext, log_size, log_start)) {
FileClose();
return 0;
}
FileClose();
// read lines
logtext[log_size - 1] = '\0';
logptr[l_total++] = logtext;
for (char* line = strchr(logtext, '\n'); line != NULL && l_total < 4000; line = strchr(line, '\n')) {
*line = '\0';
logptr[l_total++] = ++line;
}
if (l_total >= 4000) // allow 4000 lines of text max
return 0;
for (; l_total < DBG_N_CHARS_Y; logptr[l_total++] = logtext + log_size - 1);
// here, the actual output starts
l_curr = l_total - DBG_N_CHARS_Y ;
if (l_curr > 0) l_curr--; // start at the line before the last
while (true) {
DebugSet((const char**) logptr + l_curr);
u32 pad_state = InputWait();
if (pad_state & BUTTON_X) {
Screenshot(NULL);
} else if ((pad_state & BUTTON_UP) && (l_curr > 0)) {
l_curr--;
} else if ((pad_state & BUTTON_DOWN) && (l_curr < l_total - DBG_N_CHARS_Y)) {
l_curr++;
} else if (pad_state & (BUTTON_B | BUTTON_START)) {
return pad_state;
}
}
return 0;
}
u32 ScrollOutput()
{
u32 log_start = LogWrite(NULL);
// careful, these areas are used by other functions in Decrypt9
char** logptr = (char**) 0x21100000;
char* logtext = (char*) 0x21200000;
u32 log_size = FileGetData(LOG_FILE, logtext, 1024 * 1024, log_start); // log size
u32 l_total = 0; // total lines
u32 l_curr = 0; // current line
// read log file (second time)
log_size = FileGetData(LOG_FILE, logtext, 1024 * 1024, log_start);
// allow 1MB of text max
if ((log_size == 0) || (log_size >= 1024 * 1024))
return 0;
// organize lines
logtext[log_size - 1] = '\0';
logptr[l_total++] = logtext;
for (char* line = strchr(logtext, '\n'); line != NULL && l_total < 4000; line = strchr(line, '\n')) {
*line = '\0';
logptr[l_total++] = ++line;
}
if (l_total >= 4000) // allow 4000 lines of text max
return 0;
for (; l_total < DBG_N_CHARS_Y; logptr[l_total++] = logtext + log_size - 1); // fill up with empty lines
// here, the actual output starts
l_curr = l_total - DBG_N_CHARS_Y;
if (l_curr > 0) l_curr--; // start at the line before the last
while (true) {
DebugSet((const char**) logptr + l_curr);
u32 pad_state = InputWait();
if (pad_state & BUTTON_X) {
Screenshot(NULL);
} else if ((pad_state & BUTTON_UP) && (l_curr > 0)) {
l_curr--;
} else if ((pad_state & BUTTON_DOWN) && (l_curr < l_total - DBG_N_CHARS_Y)) {
l_curr++;
} else if (pad_state & (BUTTON_B | BUTTON_START)) {
return pad_state;
}
}
return 0;
}
