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FECTRL.C
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/*
//
// Copyright (C) 2009-2014 Jean-François DEL NERO
// Copyright (C) 2015 bjt
//
// This file is part of the HxCFloppyEmulator file selector.
//
// HxCFloppyEmulator file selector may be used and distributed without restriction
// provided that this copyright statement is not removed from the file and that any
// derivative work contains the original copyright notice and the associated
// disclaimer.
//
// HxCFloppyEmulator file selector 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 2
// of the License, or (at your option) any later version.
//
// HxCFloppyEmulator file selector 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 HxCFloppyEmulator file selector; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
*/
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <graph.h>
#include "keysfunc.h"
#include "guiutils.h"
#include "cfg_file.h"
#include "hxcfeda.h"
#include "pc_hw.h"
#include "conf.h"
#include <fat_opts.h>
#include <fat_misc.h>
#include <fat_defs.h>
#include <fat_file.h>
//#define DBGMODE 1
unsigned char sector[512];
static unsigned char ticker_offset=0;
static unsigned char ticker_chars[4]={0x2D,0x5C,0x7C,0x2F};
static unsigned short y_pos;
static unsigned long last_setlbabase;
static unsigned long cluster;
static unsigned char cfgfile_header[512];
static unsigned char currentPath[4*256]={"\\"};
static unsigned char sdfecfg_file[2048];
static char filter[17];
static unsigned char slotnumber;
static char selectorpos;
static unsigned char read_entry;
static unsigned char filtermode;
static disk_in_drive disks_slot_a[NUMBER_OF_SLOT];
static disk_in_drive disks_slot_b[NUMBER_OF_SLOT];
static DirectoryEntry DirectoryEntry_tab[32];
static struct fs_dir_list_status file_list_status;
static struct fs_dir_list_status file_list_status_tab[512];
static struct fat_dir_entry sfEntry;
static struct fs_dir_ent dir_entry;
extern struct fatfs _fs;
extern unsigned short SCREEN_YRESOL;
extern unsigned char NUMBER_OF_FILE_ON_DISPLAY;
int fl_fswrite(unsigned char* buffer,int size,int start_sector,void* f);
void init_buffer(void);
unsigned char get_char(void);
void sleep(int duration)
{
clock_t prevTime=clock();
while((clock()-prevTime)<(CLOCKS_PER_SEC*duration));
}
void lockup()
{
sleep(2);
quit();
}
int setlbabase(unsigned long lba)
{
int ret;
direct_access_cmd_sector* dacs;
direct_access_status_sector* dass;
#ifdef DBGMODE
hxc_printf(0,0,0,"-- setlbabase E --");
#endif
dass=(direct_access_status_sector*)sector;
dacs=(direct_access_cmd_sector*)sector;
memset(§or,0,512);
sprintf(dacs->DAHEADERSIGNATURE,"HxCFEDA");
dacs->cmd_code=1;
dacs->parameter_0=(lba>>0)&0xFF;
dacs->parameter_1=(lba>>8)&0xFF;
dacs->parameter_2=(lba>>16)&0xFF;
dacs->parameter_3=(lba>>24)&0xFF;
dacs->parameter_4=0xA5;
ret=writesector(0,(unsigned char*)§or);
if(!ret)
{
hxc_printf_box(0,"setlbabase: Write error");
lockup();
}
#ifdef DBGMODE
hxc_printf(0,0,0,"-- setlbabase L --");
#endif
return 0;
}
int test_floppy_if()
{
direct_access_status_sector* dass=(direct_access_status_sector*)sector;
last_setlbabase=2;
do
{
setlbabase(last_setlbabase);
memset(sector,0,512);
if(!readsector(0,sector))
{
hxc_printf_box(0,"test_floppy_if: Sector %d read error",last_setlbabase);
lockup();
}
#ifdef DBGMODE
hxc_printf(0,0,0,"%.8X=%.8X?",last_setlbabase,L_INDIAN(dass->lba_base));
#endif
if(last_setlbabase!=L_INDIAN(dass->lba_base))
{
hxc_printf_box(0,"test_floppy_if: LBA change test failed");
lockup();
}
last_setlbabase--;
} while(last_setlbabase);
return 0;
}
int media_init()
{
unsigned char ret;
direct_access_status_sector* dass;
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_init E --");
#endif
last_setlbabase=0xFFFFF000;
ret=readsector(0,(unsigned char*)§or);
if(ret)
{
dass=(direct_access_status_sector*)sector;
if(!strcmp(dass->DAHEADERSIGNATURE,"HxCFEDA"))
{
_settextcolor(ALTBGCOLOR);
_setbkcolor(ALTFGCOLOR);
hxc_printf(0,0,SCREEN_YRESOL-8,"Firmware %s",dass->FIRMWAREVERSION);
_settextcolor(FGCOLOR);
_setbkcolor(BGCOLOR);
test_floppy_if();
dass=(direct_access_status_sector*)sector;
last_setlbabase=0;
setlbabase(last_setlbabase);
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_init L --");
#endif
return 1;
}
hxc_printf_box(0,"HxC Floppy Emulator not found!");
lockup();
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_init L --");
#endif
return 0;
}
hxc_printf_box(0,"media_init: Floppy access error");
lockup();
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_init L --");
#endif
return 0;
}
int media_read(unsigned long sector,unsigned char* buffer)
{
direct_access_status_sector* dass=(direct_access_status_sector*)buffer;
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_read E --");
#endif
_settextcolor(ALTFGCOLOR);
_setbkcolor(ALTBGCOLOR);
hxc_printf(0,8*79,0,"%c",ticker_chars[0x3&ticker_offset++]);
_settextcolor(FGCOLOR);
_setbkcolor(BGCOLOR);
do
{
if((sector-last_setlbabase)>=8)
{
setlbabase(sector);
}
if(!readsector(0,buffer))
{
hxc_printf_box(0,"media_read: Sector %d read error",(sector-last_setlbabase)+1);
}
last_setlbabase=L_INDIAN(dass->lba_base);
} while((sector-L_INDIAN(dass->lba_base))>=8);
if(!readsector((unsigned char)((sector-last_setlbabase)+1),buffer))
{
hxc_printf_box(0,"media_read: Sector %d read error",(sector-last_setlbabase)+1);
lockup();
}
_settextcolor(ALTFGCOLOR);
_setbkcolor(ALTBGCOLOR);
hxc_printf(0,8*79,0," ");
_settextcolor(FGCOLOR);
_setbkcolor(BGCOLOR);
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_read L --");
#endif
return 1;
}
int media_write(unsigned long sector,unsigned char* buffer)
{
direct_access_status_sector* dass;
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_write E --");
#endif
_settextcolor(ALTFGCOLOR);
_setbkcolor(ALTBGCOLOR);
hxc_printf(0,8*79,0,"%c",ticker_chars[0x3&ticker_offset++]);
_settextcolor(FGCOLOR);
_setbkcolor(BGCOLOR);
if((sector-last_setlbabase)>=8)
{
last_setlbabase=sector;
setlbabase(sector);
}
if(!writesector((unsigned char)((sector-last_setlbabase)+1),buffer))
{
hxc_printf_box(0,"media_write: Write error");
lockup();
}
_settextcolor(ALTFGCOLOR);
_setbkcolor(ALTBGCOLOR);
hxc_printf(0,8*79,0," ");
_settextcolor(FGCOLOR);
_setbkcolor(BGCOLOR);
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_write L --");
#endif
return 1;
}
void printslotstatus(unsigned char slotnumber,disk_in_drive* disks_a,disk_in_drive* disks_b)
{
char tmp_str[17];
hxc_printf(0,0,SLOT_Y_POS,"Slot %.2d",slotnumber);
hxc_printf(0,0,SLOT_Y_POS+8,"Drive A: ");
if(disks_a->DirEnt.size)
{
memcpy(tmp_str,disks_a->DirEnt.longName,16);
tmp_str[16]=0;
hxc_printf(0,0,SLOT_Y_POS+8,"Drive A: %s",tmp_str);
}
hxc_printf(0,0,SLOT_Y_POS+16,"Drive B: ");
if(disks_b->DirEnt.size)
{
memcpy(tmp_str,disks_b->DirEnt.longName,16);
tmp_str[16]=0;
hxc_printf(0,0,SLOT_Y_POS+16,"Drive B: %s",tmp_str);
}
}
char read_cfg_file(unsigned char* sdfecfg_file)
{
char ret;
unsigned char number_of_slot;
unsigned short i;
cfgfile* cfgfile_ptr;
FL_FILE* file;
#ifdef DBGMODE
hxc_printf(0,0,0,"-- read_cfg_file E --");
#endif
memset((void*)&disks_slot_a,0,sizeof(disk_in_drive)*NUMBER_OF_SLOT);
memset((void*)&disks_slot_b,0,sizeof(disk_in_drive)*NUMBER_OF_SLOT);
ret=0;
file=fl_fopen("/HXCSDFE.CFG","r");
if(file)
{
cfgfile_ptr=(cfgfile*)cfgfile_header;
fl_fread(cfgfile_header,1,512,file);
number_of_slot=cfgfile_ptr->number_of_slot;
fl_fseek(file,1024,SEEK_SET);
fl_fread(sdfecfg_file,1,512,file);
i=1;
do
{
if(!(i&3))
{
fl_fread(sdfecfg_file,1,512,file);
}
memcpy(&disks_slot_a[i],&sdfecfg_file[(i&3)*128],sizeof(disk_in_drive));
memcpy(&disks_slot_b[i],&sdfecfg_file[((i&3)*128)+64],sizeof(disk_in_drive));
i++;
} while(i<number_of_slot);
fl_fclose(file);
}
else
{
ret=1;
}
if(ret)
{
hxc_printf_box(0,"read_cfg_file: Failed to access HXCSDFE.CFG");
}
#ifdef DBGMODE
hxc_printf(0,0,0,"-- read_cfg_file L --");
#endif
return ret;
}
char save_cfg_file(unsigned char* sdfecfg_file)
{
unsigned char number_of_slot,slot_index;
unsigned char i,sect_nb,ret;
cfgfile* cfgfile_ptr;
unsigned short floppyselectorindex;
FL_FILE* file;
#ifdef DBGMODE
hxc_printf(0,0,0,"-- save_cfg_file E --");
#endif
ret=0;
file=fl_fopen("/HXCSDFE.CFG","r");
if(file)
{
number_of_slot=1;
slot_index=1;
i=1;
floppyselectorindex=128; // First slot offset
memset(sdfecfg_file,0,512); // Clear the sector
sect_nb=2; // Slots Sector offset
do
{
if(disks_slot_a[i].DirEnt.size) // Valid slot found
{
// Copy it to the actual file sector
memcpy(&sdfecfg_file[floppyselectorindex],&disks_slot_a[i],sizeof(disk_in_drive));
memcpy(&sdfecfg_file[floppyselectorindex+64],&disks_slot_b[i],sizeof(disk_in_drive));
// Next slot...
number_of_slot++;
floppyselectorindex=(floppyselectorindex+128)&0x1FF;
if(!(number_of_slot&0x3)) // Need to change to the next sector
{
// Save the sector
if(fl_fswrite((unsigned char*)sdfecfg_file,1,sect_nb,file)!=1)
{
hxc_printf_box(0,"save_cfg_file: Failed to write file");
ret=1;
}
// Next sector
sect_nb++;
memset(sdfecfg_file,0,512); // Clear the next sector
}
}
i++;
} while(i<NUMBER_OF_SLOT);
if(number_of_slot&0x3)
{
if(fl_fswrite((unsigned char*)sdfecfg_file,1,sect_nb,file)!=1)
{
hxc_printf_box(0,"save_cfg_file: Failed to write file");
ret=1;
}
}
if(slot_index>=number_of_slot)
{
slot_index=number_of_slot-1;
}
fl_fseek(file,0,SEEK_SET);
// Update the file header
cfgfile_ptr=(cfgfile*)cfgfile_header;
cfgfile_ptr->number_of_slot=number_of_slot;
cfgfile_ptr->slot_index=slot_index;
if(fl_fswrite((unsigned char*)cfgfile_header,1,0,file)!=1)
{
hxc_printf_box(0,"save_cfg_file: Failed to write file");
ret=1;
}
}
else
{
hxc_printf_box(0,"save_cfg_file: Failed to create file");
ret=1;
}
// Close file
fl_fclose(file);
#ifdef DBGMODE
hxc_printf(0,0,0,"-- save_cfg_file L --");
#endif
return ret;
}
void clear_list(unsigned char add)
{
unsigned char y_pos,i;
y_pos=FILELIST_Y_POS;
for(i=0;i<NUMBER_OF_FILE_ON_DISPLAY+add;i++)
{
clear_line(y_pos,0);
y_pos=y_pos+8;
}
}
void next_slot()
{
slotnumber++;
if(slotnumber>(NUMBER_OF_SLOT-1)) slotnumber=1;
printslotstatus(slotnumber,(disk_in_drive*)&disks_slot_a[slotnumber],(disk_in_drive*)&disks_slot_b[slotnumber]);
}
void prev_slot()
{
slotnumber--;
if(!slotnumber) slotnumber=NUMBER_OF_SLOT-1;
printslotstatus(slotnumber,(disk_in_drive*)&disks_slot_a[slotnumber],(disk_in_drive*)&disks_slot_b[slotnumber]);
}
void displayFolder()
{
int i;
hxc_printf(0,SCREEN_XRESOL/2,CURDIR_Y_POS,"Current directory:");
for(i=SCREEN_XRESOL/2;i<SCREEN_XRESOL;i=i+8) hxc_printf(0,i,CURDIR_Y_POS+8," ");
if(strlen(currentPath)<32)
hxc_printf(0,SCREEN_XRESOL/2,CURDIR_Y_POS+8,"%s",currentPath);
else
hxc_printf(0,SCREEN_XRESOL/2,CURDIR_Y_POS+8,"...%s ",¤tPath[strlen(currentPath)-32]);
}
void displaySearch()
{
if(filtermode)
hxc_printf(0,SCREEN_XRESOL/2,CURDIR_Y_POS+16,"Search: [%s]",filter);
else
hxc_printf(0,SCREEN_XRESOL/2,CURDIR_Y_POS+16," ");
}
void enter_sub_dir(disk_in_drive* disk_ptr)
{
int currentPathLength;
unsigned char folder[128+1];
unsigned char c;
int i;
int old_index;
old_index=strlen(currentPath);
if((disk_ptr->DirEnt.longName[0]==(unsigned char)'.')&&(disk_ptr->DirEnt.longName[1]==(unsigned char)'.'))
{
currentPathLength=strlen(currentPath)-1;
do
{
currentPath[currentPathLength]=0;
currentPathLength--;
}
while (currentPath[currentPathLength]!=(unsigned char)'/');
}
else
{
if(disk_ptr->DirEnt.longName[0]!=(unsigned char)'.')
{
for(i=0;i<128;i++)
{
c=disk_ptr->DirEnt.longName[i];
if((c>=(32+0))&&(c<=127))
{
folder[i]=c;
}
else
{
folder[i]=0;
i=128;
}
}
currentPathLength=strlen(currentPath);
if(currentPath[currentPathLength-1]!='/')
strcat(currentPath,"/");
strcat(currentPath,folder);
}
}
displayFolder();
filtermode=0;
displaySearch();
selectorpos=0;
if(!fl_list_opendir(currentPath,&file_list_status))
{
currentPath[old_index]=0;
fl_list_opendir(currentPath,&file_list_status);
displayFolder();
}
for(i=0;i<512;i++)
{
memcpy(&file_list_status_tab[i],&file_list_status,sizeof(struct fs_dir_list_status));
}
clear_list(0);
read_entry=1;
}
void show_all_slots(void)
{
#define ALLSLOTS_Y_POS 8
char tmp_str[17];
int i;
for(i=1;i<NUMBER_OF_SLOT;i++)
{
if(disks_slot_a[i].DirEnt.size||disks_slot_b[i].DirEnt.size)
{
memcpy(tmp_str,&disks_slot_a[i].DirEnt.longName,16);
tmp_str[16]=0;
hxc_printf(0,0,ALLSLOTS_Y_POS+(i*8),"Slot %.2d - A: %s",i,tmp_str);
memcpy(tmp_str,&disks_slot_b[i].DirEnt.longName,16);
tmp_str[16]=0;
hxc_printf(0,40*8,ALLSLOTS_Y_POS+(i*8),"B: %s",tmp_str);
}
else
{
hxc_printf(0,0,ALLSLOTS_Y_POS+(i*8),"Slot %.2d - A:",i);
hxc_printf(0,40*8,ALLSLOTS_Y_POS+(i*8),"B:",i);
}
}
hxc_printf(1,0,ALLSLOTS_Y_POS+(NUMBER_OF_SLOT+1)*8,"--- Press SPACE to continue ---");
while(wait_function_key()!=FCT_OK);
}
int main(int argc,char* argv[])
{
unsigned short i,page_number;
unsigned char key,entrytype,bootdev;
unsigned char last_file,displayentry,c;
disk_in_drive* disk_ptr;
cfgfile* cfgfile_ptr;
char tempLowerName[FATFS_MAX_LONG_FILENAME];
init_display();
#ifdef DBGMODE
hxc_printf(0,0,0,"-- Init display Done --");
#endif
bootdev=0;
if(argc>1)
{
bootdev=(*argv[1])-'0';
if(bootdev>3)
{
bootdev=0;
}
}
init_pc_fdc(bootdev);
#ifdef DBGMODE
hxc_printf(0,0,0,"-- init_pc_fdc Done --");
#endif
if(media_init())
{
#ifdef DBGMODE
hxc_printf(0,0,0,"-- media_init done --");
#endif
// Initialise File IO Library
fl_init();
#ifdef DBGMODE
hxc_printf(0,0,0,"-- fl_init done --");
#endif
/* Attach media access functions to library */
if(fl_attach_media(media_read,media_write)!=FAT_INIT_OK)
{
hxc_printf_box(0,"main: Media attach error");
lockup();
}
#ifdef DBGMODE
hxc_printf(0,0,0,"-- fl_attach_media done --");
#endif
hxc_printf_box(0,"Reading HXCSDFE.CFG...");
read_cfg_file(sdfecfg_file);
#ifdef DBGMODE
hxc_printf(0,0,0,"-- read_cfg_file done --");
#endif
strcpy(currentPath,"/");
displayFolder();
slotnumber=1;
printslotstatus(slotnumber,(disk_in_drive*)&disks_slot_a[slotnumber],(disk_in_drive*)&disks_slot_b[slotnumber]);
read_entry=0;
selectorpos=0;
cluster=fatfs_get_root_cluster(&_fs);
page_number=0;
last_file=0;
filtermode=0;
displaySearch();
fl_list_opendir(currentPath,&file_list_status);
for(i=0;i<512;i++)
{
memcpy(&file_list_status_tab[i],&file_list_status,sizeof(struct fs_dir_list_status));
}
clear_list(0);
for(;;)
{
y_pos=FILELIST_Y_POS;
for(;;)
{
i=0;
do
{
memset(&DirectoryEntry_tab[i],0,sizeof(DirectoryEntry));
i++;
} while((i<NUMBER_OF_FILE_ON_DISPLAY));
i=0;
y_pos=FILELIST_Y_POS;
last_file=0x00;
do
{
displayentry=0xFF;
if(fl_list_readdir(&file_list_status,&dir_entry))
{
if(filtermode)
{
memcpy(tempLowerName,dir_entry.filename,FATFS_MAX_LONG_FILENAME);
strlwr(tempLowerName);
if(!strstr(tempLowerName,filter))
{
displayentry=0x00;
}
}
if(displayentry)
{
if(dir_entry.is_dir)
{
entrytype=10;
hxc_printf(0,0,y_pos," [%s]",dir_entry.filename);
DirectoryEntry_tab[i].attributes=0x10;
}
else
{
entrytype=12;
hxc_printf(0,0,y_pos," %s",dir_entry.filename);
DirectoryEntry_tab[i].attributes=0x00;
}
y_pos=y_pos+8;
dir_entry.filename[127]=0;
sprintf(DirectoryEntry_tab[i].longName,"%s",dir_entry.filename);
dir_entry.filename[11]=0;
sprintf(DirectoryEntry_tab[i].name,"%s",dir_entry.filename);
DirectoryEntry_tab[i].firstCluster=ENDIAN_32BIT(dir_entry.cluster);
DirectoryEntry_tab[i].size=ENDIAN_32BIT(dir_entry.size);
i++;
}
}
else
{
last_file=0xFF;
i=NUMBER_OF_FILE_ON_DISPLAY;
}
} while(i<NUMBER_OF_FILE_ON_DISPLAY);
memcpy(&file_list_status_tab[(page_number+1)&0x1FF],&file_list_status,sizeof(struct fs_dir_list_status));
invert_line(FILELIST_Y_POS+(selectorpos*8));
read_entry=0;
do
{
key=wait_function_key();
if(1)
{
switch(key)
{
case FCT_UP_KEY: // UP
invert_line(FILELIST_Y_POS+(selectorpos*8));
hxc_printf(0,0,FILELIST_Y_POS+(selectorpos*8)," ");
selectorpos--;
if(selectorpos<0)
{
selectorpos=NUMBER_OF_FILE_ON_DISPLAY-1;
if(page_number) page_number--;
clear_list(0);
read_entry=1;
memcpy(&file_list_status,&file_list_status_tab[page_number&0x1FF],sizeof(struct fs_dir_list_status));
}
else
{
invert_line(FILELIST_Y_POS+(selectorpos*8));
}
break;
case FCT_DOWN_KEY: // Down
invert_line(FILELIST_Y_POS+(selectorpos*8));
hxc_printf(0,0,FILELIST_Y_POS+(selectorpos*8)," ");
selectorpos++;
if(selectorpos>=NUMBER_OF_FILE_ON_DISPLAY)
{
selectorpos=0;
clear_list(0);
read_entry=1;
if(!last_file) page_number++;
memcpy(&file_list_status,&file_list_status_tab[page_number&0x1FF],sizeof(struct fs_dir_list_status));
}
else
{
invert_line(FILELIST_Y_POS+(selectorpos*8));
}
break;
case FCT_RIGHT_KEY: // Right
clear_list(0);
read_entry=1;
if(!last_file) page_number++;
memcpy(&file_list_status,&file_list_status_tab[page_number&0x1FF],sizeof(struct fs_dir_list_status));
break;
case FCT_LEFT_KEY:
if(page_number) page_number--;
memcpy(&file_list_status,&file_list_status_tab[page_number&0x1FF],sizeof(struct fs_dir_list_status));
clear_list(0);
read_entry=1;
break;
case FCT_NEXTSLOT:
next_slot();
break;
case FCT_PREVSLOT:
prev_slot();
break;
case FCT_ENTERSUBDIR:
disk_ptr=(disk_in_drive*)&DirectoryEntry_tab[selectorpos];
if(disk_ptr->DirEnt.attributes&0x10)
{
enter_sub_dir(disk_ptr);
}
break;
case FCT_SELECT_FILE_DRIVEA:
disk_ptr=(disk_in_drive*)&DirectoryEntry_tab[selectorpos];
if(!(disk_ptr->DirEnt.attributes&0x10))
{
memcpy((void*)&disks_slot_a[slotnumber],(void*)&DirectoryEntry_tab[selectorpos],sizeof(disk_in_drive));
printslotstatus(slotnumber,(disk_in_drive*)&disks_slot_a[slotnumber],(disk_in_drive*)&disks_slot_b[slotnumber]);
}
break;
case FCT_SELECT_FILE_DRIVEB:
disk_ptr=(disk_in_drive*)&DirectoryEntry_tab[selectorpos];
if(!(disk_ptr->DirEnt.attributes&0x10))
{
memcpy((void*)&disks_slot_b[slotnumber],(void*)&DirectoryEntry_tab[selectorpos],sizeof(disk_in_drive));
printslotstatus(slotnumber,(disk_in_drive*)&disks_slot_a[slotnumber],(disk_in_drive*)&disks_slot_b[slotnumber]);
}
break;
case FCT_HELP:
clear_list(5);
i=0;
hxc_printf(0,0,HELP_Y_POS+(i*8),"Cursor Keys : Browse the contents of the SD Card");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"HOME : Go back to the top of the directory");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"ENTER : Change to a sub-directory");
i+=2;
hxc_printf(0,0,HELP_Y_POS+(i*8),"A : Insert the selected file to A: for the current slot");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"B : Insert the selected file to B: for the current slot");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"PAGE DOWN : Select the next slot");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"PAGE UP : Select the previous slot");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"DEL : Clear the current slot");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"TAB : Show the status of all slots");
i+=2;
hxc_printf(0,0,HELP_Y_POS+(i*8),"F3 : Search for files in the current folder");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"F8 : Settings Menu");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"F10 : Save & Exit");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"ESC : Exit without saving");
i+=2;
hxc_printf(1,0,HELP_Y_POS+(i*8),"--- Press SPACE to continue ---");
while(wait_function_key()!=FCT_OK);
clear_list(5);
init_buffer();
printslotstatus(slotnumber,(disk_in_drive*)&disks_slot_a[slotnumber],(disk_in_drive*)&disks_slot_b[slotnumber]);
displayFolder();
displaySearch();
memcpy(&file_list_status,&file_list_status_tab[page_number&0x1FF],sizeof(struct fs_dir_list_status));
clear_list(0);
read_entry=1;
break;
case FCT_EMUCFG:
clear_list(5);
cfgfile_ptr=(cfgfile*)cfgfile_header;
i=0;
hxc_printf(0,0,HELP_Y_POS+(i*8),"Track step sound:");
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%s ",cfgfile_ptr->step_sound?"on":"off");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"User interface sound:");
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%d ",cfgfile_ptr->buzzer_duty_cycle);
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"LCD backlight standby:");
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%d s",cfgfile_ptr->back_light_tmr);
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"SD Card standby:");
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%d s",cfgfile_ptr->standby_tmr);
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"DF1 drive:");
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%s ",cfgfile_ptr->enable_drive_b?"off":"on");
i++;
hxc_printf(0,0,HELP_Y_POS+(i*8),"Load AUTOBOOT.HFE at power up:");
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%s ",cfgfile_ptr->startup_mode&0x04?"on":"off");
i=i+2;
hxc_printf(1,0,HELP_Y_POS+(i*8),"--- Press SPACE to continue ---");
i=0;
invert_line(HELP_Y_POS+(i*8));
do
{
c=wait_function_key();
switch(c)
{
case FCT_UP_KEY:
invert_line(HELP_Y_POS+(i*8));
if(i>0) i--;
invert_line(HELP_Y_POS+(i*8));
break;
case FCT_DOWN_KEY:
invert_line(HELP_Y_POS+(i*8));
if(i<5) i++;
invert_line(HELP_Y_POS+(i*8));
break;
case FCT_LEFT_KEY:
invert_line(HELP_Y_POS+(i*8));
switch(i)
{
case 0:
cfgfile_ptr->step_sound=~cfgfile_ptr->step_sound;
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%s ",cfgfile_ptr->step_sound?"on":"off");
break;
case 1:
if(cfgfile_ptr->buzzer_duty_cycle) cfgfile_ptr->buzzer_duty_cycle--;
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%d ",cfgfile_ptr->buzzer_duty_cycle);
if(!cfgfile_ptr->buzzer_duty_cycle) cfgfile_ptr->ihm_sound=0x00;
break;
case 2:
if(cfgfile_ptr->back_light_tmr) cfgfile_ptr->back_light_tmr--;
hxc_printf(0,SCREEN_XRESOL/2,HELP_Y_POS+(i*8),"%d s ",cfgfile_ptr->back_light_tmr);
break;
case 3: