mirror of
https://github.com/inexorabletash/jsbasic.git
synced 2024-11-16 01:07:42 +00:00
64 lines
1.4 KiB
JavaScript
64 lines
1.4 KiB
JavaScript
//
|
|
// Printer (for copying output)
|
|
//
|
|
|
|
function Printer(tty, paper) {
|
|
var tty_writeChar = tty.writeChar;
|
|
tty.writeChar = function(c) {
|
|
|
|
tty_writeChar(c);
|
|
|
|
switch (c.charCodeAt(0)) {
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4: // DOS hook
|
|
case 5:
|
|
case 6:
|
|
case 7: // (BEL) bell
|
|
case 8: // (BS) backspace
|
|
case 9:
|
|
case 11: // (VT) clear EOS
|
|
case 12: // (FF) clear
|
|
case 14: // (SO) normal
|
|
case 15: // (SI) inverse
|
|
case 16:
|
|
case 17: // (DC1) 40-column
|
|
case 18: // (DC2) 80-column
|
|
case 19: // (DC3) stop list
|
|
case 20:
|
|
case 21: // (NAK) quit (disable 80-col card)
|
|
case 22: // (SYN) scroll
|
|
case 23: // (ETB) scroll up
|
|
case 24: // (CAN) disable mousetext
|
|
case 25: // (EM) home
|
|
case 26: // (SUB) clear line
|
|
case 27: // (ESC) enable mousetext
|
|
case 28: // (FS) forward space
|
|
case 29: // (GS) clear EOL
|
|
case 30: // (RS) gotoXY
|
|
case 31:
|
|
break;
|
|
|
|
case 10: // (LF) line feed
|
|
case 13: // (CR) return
|
|
paper.appendChild(document.createTextNode('\n'));
|
|
break;
|
|
|
|
default:
|
|
paper.appendChild(document.createTextNode(c));
|
|
break;
|
|
}
|
|
|
|
if ('normalize' in paper) {
|
|
paper.normalize();
|
|
}
|
|
paper.scrollTop = paper.scrollHeight;
|
|
};
|
|
|
|
this.close = function() {
|
|
tty.writeChar = tty_writeChar;
|
|
};
|
|
}
|