int main(void)
{
char key;
timerInitTOD();
screenInit();
progressInit();
g_strFileName[0] = '\0';
g_nDrive = *(uint8_t*)0xba;
if (g_nDrive < 8)
g_nDrive = 8;
internalCartType = INTERNAL_CART_TYPE_NONE;
g_bFastLoaderEnabled = 1;
updateFastLoaderText();
refreshMainScreen();
showAbout();
refreshMainScreen();
screenBing();
// this also makes visible 16kByte of flash memory
checkFlashType();
checkRAM();
for (;;)
{
setStatus("Ready. Press <m> for Menu.");
key = cgetc();
switch (key)
{
case 'm':
execMenu(&menuMain);
break;
case 'o':
execMenu(&menuOptions);
break;
case 'e':
execMenu(&menuExpert);
break;
case 'h':
execMenu(&menuHelp);
break;
}
}
return 0;
}
/**
* Check if the RAM at $DF00 is okay.
* If it is not okay, print an error message.
*/
static void checkRAM(void)
{
if (!tortureTestCheckRAM())
{
screenPrintSimpleDialog(apStrBadRAM);
refreshMainScreen();
}
}
/**
* Return the string entered. The maximal length of the string is
* FILENAME_MAX, i.e. 16+1.
*/
const char* __fastcall__ screenReadInput(const char* pStrTitle,
const char* pStrDefault)
{
uint8_t len;
static char strInput[FILENAME_MAX];
char c;
screenBing();
strcpy(strInput, pStrDefault);
len = strlen(strInput);
screenPrintBox(2, 6, 36, 12);
screenPrintSepLine(2, 37, 8);
cputsxy(3, 7, pStrTitle);
// the input field
textcolor(COLOR_LIGHTFRAME);
screenPrintBox(4, 10, 32, 3);
textcolor(COLOR_FOREGROUND);
screenPrintButton(30, 14, "Enter");
cursor(1);
do
{
cputsxy(5, 11, strInput);
cputc(' ');
gotox(5 + len);
c = cgetc();
if (len < sizeof(strInput) - 1 &&
((c >= 32 && c < 128) ||
(c >= 192 && c < 224))
)
{
strInput[len++] = c;
strInput[len] = '\0';
}
else if (c == CH_DEL)
{
if (len)
strInput[--len] = '\0';
}
} while (c != CH_ENTER);
cursor(0);
refreshMainScreen();
return strInput;
}
/**
* Show and handle the menu and execute the menu item is one was selected.
*/
void __fastcall__ screenDoMenu(ScreenMenu* pMenu)
{
uint8_t nEntry, nEntries;
uint8_t nSelected;
char key;
ScreenMenuEntry* pEntries;
ScreenMenuEntry* pEntry;
pCurrentMenu = pMenu;
nSelected = 0;
do
{
pCurrentMenu->nSelected = nSelected;
pEntries = pCurrentMenu->entries;
nEntries = screenPrintCurrentMenu();
key = cgetc();
switch (key)
{
case CH_CURS_UP:
if (nSelected)
--nSelected;
else
nSelected = nEntries - 1;
break;
case CH_CURS_DOWN:
if (++nSelected == nEntries)
nSelected = 0;
break;
case CH_CURS_RIGHT:
if (pCurrentMenu->pNextMenu)
{
pCurrentMenu = pCurrentMenu->pNextMenu;
refreshMainScreen();
nEntries = screenPrintCurrentMenu();
nSelected = 0;
}
break;
case CH_CURS_LEFT:
if (pCurrentMenu->pPrevMenu)
{
pCurrentMenu = pCurrentMenu->pPrevMenu;
refreshMainScreen();
nEntries = screenPrintCurrentMenu();
nSelected = 0;
}
break;
case CH_ENTER:
case ' ':
pEntry = pEntries + nSelected;
if (pEntry->pCheckFunction())
{
pEntry->pFunction();
if (pEntry->flags & SCREEN_MENU_ENTRY_FLAG_KEEP)
{
// refresh, because the length may have changed
refreshMainScreen();
screenPrintCurrentMenu();
}
else
return;
}
break;
default:
/* all other keys may be shortcuts */
for (nEntry = 0; nEntry != nEntries; ++nEntry)
{
if (screenMenuEntryHasShortcut(pCurrentMenu->entries + nEntry, key) &&
pEntries[nEntry].pCheckFunction())
{
pCurrentMenu->nSelected = nEntry;
// update immediately to show the effect to the user
screenPrintCurrentMenu();
pEntries[nEntry].pFunction();
return;
}
}
}
} while (key != CH_STOP && key != CH_BTEE);
}
/**
* Execute an action according to the given menu ID.
*/
static void __fastcall__ execMenu(ScreenMenu* pMenu)
{
screenDoMenu(pMenu);
refreshMainScreen();
}
/**
* Read Flash manufacturer and device IDs, print then on the screen.
* If they are not okay, print an error message and return 0.
* If everything is okay, return 1.
*/
uint8_t checkFlashType(void)
{
uint8_t* pDriver;
uint8_t bDriverFound = 0;
pDriver = aEAPIDrivers[0];
while (*pDriver)
{
memcpy(EAPI_LOAD_TO, pDriver, EAPI_SIZE);
nBanks = eapiInit(&nManufacturerId, &nDeviceId);
if (nBanks > 0)
{
bDriverFound = 1;
break;
}
/* if we are here, there is an error */
switch (nDeviceId)
{
case EAPI_ERR_RAM:
screenPrintSimpleDialog(apStrBadRAM);
goto failed;
case EAPI_ERR_ROML_PROTECTED:
screenPrintSimpleDialog(apStrROMLProtected);
goto failed;
case EAPI_ERR_ROMH_PROTECTED:
screenPrintSimpleDialog(apStrROMHProtected);
goto failed;
}
pDriver += EAPI_SIZE;
}
if (bDriverFound)
{
pStrFlashDriver = EAPI_DRIVER_NAME;
nSlots = 1;
if (nBanks < 64)
{
nSlots = nBanks;
nBanks = 64;
}
updateMemSizeText();
refreshMainScreen();
if (nSlots > 1)
selectSlot(nSlots);
return 1;
}
else
{
screenPrintSimpleDialog(apStrWrongFlash);
}
failed:
pStrFlashDriver = "(failed)";
refreshMainScreen();
nManufacturerId = nDeviceId = 0;
return 0;
}
