static void
renderCoordinatesAlphabetic (unsigned char *cell, int column, int row) {
/* the coordinates are presented as an underlined letter as the Alva DOS TSR */
if (!SCR_COORDINATES_OK(column, row)) {
*cell = convertCharacterToDots(textTable, WC_C('z'));
} else {
const int32_t height = 25;
const int32_t frequency = row / height;
if (frequency) {
const int32_t interval = NSECS_PER_SEC / (frequency * 2);
TimeValue time;
getMonotonicTime(&time);
scheduleUpdateIn("alva status field",
(((interval - (time.nanoseconds % interval)) / NSECS_PER_MSEC) + 1));
if (!((time.nanoseconds / interval) % 2)) {
*cell = 0;
return;
}
}
*cell = convertCharacterToDots(textTable, ((row % height) + WC_C('a')))
| ((column / textCount) << 6);
}
}
static void
renderCoordinatesAlphabetic (unsigned char *cell, int column, int row) {
/* the coordinates are presented as an underlined letter as the Alva DOS TSR */
*cell = !SCR_COORDINATES_OK(column, row)? convertCharacterToDots(textTable, WC_C('z')):
((updateIntervals / 16) % (row / 25 + 1))? 0:
convertCharacterToDots(textTable, (row % 25 + WC_C('a'))) |
((column / textCount) << 6);
}
static void
renderStatusField_stateLetter (unsigned char *cells) {
*cells = convertCharacterToDots(textTable,
ses->displayMode ? WC_C('a'):
isSpecialScreen(SCR_HELP) ? WC_C('h'):
isSpecialScreen(SCR_MENU) ? WC_C('m'):
isSpecialScreen(SCR_FROZEN) ? WC_C('f'):
ses->trackScreenCursor ? WC_C('t'):
WC_C(' '));
}
static void
renderStatusField_stateLetter (unsigned char *cells) {
*cells = convertCharacterToDots(textTable,
ses->displayMode? WC_C('a'):
isHelpScreen() ? WC_C('h'):
isMenuScreen() ? WC_C('m'):
isFrozenScreen()? WC_C('f'):
ses->trackCursor? WC_C('t'):
WC_C(' '));
}
static void
writePrompt (BrailleDisplay *brl, const char *prompt) {
int length = strlen(prompt);
int index = 0;
if (length > dataCells) length = dataCells;
while (index < length) {
dataArea[index] = convertCharacterToDots(textTable, (unsigned char)prompt[index]);
++index;
}
while (index < dataCells) dataArea[index++] = 0;
refreshCells(brl);
}
static unsigned char
toDots_mapped (wchar_t character) {
return convertCharacterToDots(inputTable, character);
}
