private void csi_CUP(String p) {
int[] ps = vt100_parse_params(p, new int[] {1, 1});
if (vt100_mode_origin) {
cursor_set(scroll_area_y0 + ps[0] - 1, ps[1] - 1);
} else {
cursor_set(ps[0] - 1, ps[1] - 1);
}
}
private void csi_DECSTBM(String p) {
int[] ps = vt100_parse_params(p, new int[] {1, height});
scroll_area_set(ps[0] - 1, ps[1]);
if (vt100_mode_origin) {
cursor_set(scroll_area_y0, 0);
} else {
cursor_set(0, 0);
}
}
private void vt100_setmode(String p, boolean state) {
// Set VT100 mode
String[] ps = vt100_parse_params(p, new String[0]);
for (String m : ps) {
// 1 : GATM: Guarded area transfer
// 2 : KAM: Keyboard action
// 3 : CRM: Control representation
if ("4".equals(m)) {
// Insertion replacement mode
vt100_mode_insert = state;
// 5 : SRTM: Status reporting transfer
// 7 : VEM: Vertical editing
// 10 : HEM: Horizontal editing
// 11 : PUM: Positioning nit
// 12 : SRM: Send/receive
// 13 : FEAM: Format effector action
// 14 : FETM: Format effector transfer
// 15 : MATM: Multiple area transfer
// 16 : TTM: Transfer termination
// 17 : SATM: Selected area transfer
// 18 : TSM: Tabulation stop
// 19 : EBM: Editing boundary
} else if ("20".equals(m)) {
// LNM: Line feed/new line
vt100_mode_lfnewline = state;
} else if ("?1".equals(m)) {
// DECCKM: Cursor keys
vt100_mode_cursorkey = state;
// ?2 : DECANM: ANSI
} else if ("?3".equals(m)) {
// DECCOLM: Column
if (vt100_mode_column_switch) {
if (state) {
width = 132;
} else {
width = 80;
}
reset_screen();
}
// ?4 : DECSCLM: Scrolling
} else if ("?5".equals(m)) {
// DECSCNM: Screen
vt100_mode_inverse = state;
} else if ("?6".equals(m)) {
// DECOM: Origin
vt100_mode_origin = state;
if (state) {
cursor_set(scroll_area_y0, 0);
} else {
cursor_set(0, 0);
}
} else if ("?7".equals(m)) {
// DECAWM: Autowrap
vt100_mode_autowrap = state;
// ?8 : DECARM: Autorepeat
// ?9 : Interlacing
// ?18 : DECPFF: Print form feed
// ?19 : DECPEX: Printer extent
} else if ("?25".equals(m)) {
// DECTCEM: Text cursor enable
vt100_mode_cursor = state;
// ?34 : DECRLM: Cursor direction, right to left
// ?35 : DECHEBM: Hebrew keyboard mapping
// ?36 : DECHEM: Hebrew encoding mode
} else if ("?40".equals(m)) {
// Column switch control
vt100_mode_column_switch = state;
// ?42 : DECNRCM: National replacement character set
} else if ("?47".equals(m)) {
// Alternate screen mode
if ((state && !vt100_mode_alt_screen) || (!state && vt100_mode_alt_screen)) {
int[] s = screen;
screen = screen2;
screen2 = s;
Map<String, Object> map = vt100_saved;
vt100_saved = vt100_saved2;
vt100_saved2 = map;
}
vt100_mode_alt_screen = state;
// ?57 : DECNAKB: Greek keyboard mapping
} else if ("?67".equals(m)) {
// DECBKM: Backarrow key
vt100_mode_backspace = state;
}
// ?98 : DECARSM: auto-resize
// ?101 : DECCANSM: Conceal answerback message
// ?109 : DECCAPSLK: caps lock
}
}
private void ctrl_BS() {
int dy = (cx - 1) / width;
cursor_set(Math.max(scroll_area_y0, cy + dy), (cx - 1) % width);
}