From 9542deeb483a00b6fabed7574720926ce97d7511 Mon Sep 17 00:00:00 2001 From: Frederick Yin Date: Tue, 16 Aug 2022 11:54:23 +0800 Subject: Projects, 01-06 completed --- projects/12/Output.jack | 203 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100644 projects/12/Output.jack (limited to 'projects/12/Output.jack') diff --git a/projects/12/Output.jack b/projects/12/Output.jack new file mode 100644 index 0000000..18e3382 --- /dev/null +++ b/projects/12/Output.jack @@ -0,0 +1,203 @@ +// This file is part of www.nand2tetris.org +// and the book "The Elements of Computing Systems" +// by Nisan and Schocken, MIT Press. +// File name: projects/12/Output.jack + +/** + * A library of functions for writing text on the screen. + * The Hack physical screen consists of 512 rows of 256 pixels each. + * The library uses a fixed font, in which each character is displayed + * within a frame which is 11 pixels high (including 1 pixel for inter-line + * spacing) and 8 pixels wide (including 2 pixels for inter-character spacing). + * The resulting grid accommodates 23 rows (indexed 0..22, top to bottom) + * of 64 characters each (indexed 0..63, left to right). The top left + * character position on the screen is indexed (0,0). A cursor, implemented + * as a small filled square, indicates where the next character will be displayed. + */ +class Output { + + // Character map for displaying characters + static Array charMaps; + + /** Initializes the screen, and locates the cursor at the screen's top-left. */ + function void init() { + } + + // Initializes the character map array + function void initMap() { + var int i; + + let charMaps = Array.new(127); + + // Black square, used for displaying non-printable characters. + do Output.create(0,63,63,63,63,63,63,63,63,63,0,0); + + // Assigns the bitmap for each character in the charachter set. + // The first parameter is the character index, the next 11 numbers + // are the values of each row in the frame that represents this character. + do Output.create(32,0,0,0,0,0,0,0,0,0,0,0); // + do Output.create(33,12,30,30,30,12,12,0,12,12,0,0); // ! + do Output.create(34,54,54,20,0,0,0,0,0,0,0,0); // " + do Output.create(35,0,18,18,63,18,18,63,18,18,0,0); // # + do Output.create(36,12,30,51,3,30,48,51,30,12,12,0); // $ + do Output.create(37,0,0,35,51,24,12,6,51,49,0,0); // % + do Output.create(38,12,30,30,12,54,27,27,27,54,0,0); // & + do Output.create(39,12,12,6,0,0,0,0,0,0,0,0); // ' + do Output.create(40,24,12,6,6,6,6,6,12,24,0,0); // ( + do Output.create(41,6,12,24,24,24,24,24,12,6,0,0); // ) + do Output.create(42,0,0,0,51,30,63,30,51,0,0,0); // * + do Output.create(43,0,0,0,12,12,63,12,12,0,0,0); // + + do Output.create(44,0,0,0,0,0,0,0,12,12,6,0); // , + do Output.create(45,0,0,0,0,0,63,0,0,0,0,0); // - + do Output.create(46,0,0,0,0,0,0,0,12,12,0,0); // . + do Output.create(47,0,0,32,48,24,12,6,3,1,0,0); // / + + do Output.create(48,12,30,51,51,51,51,51,30,12,0,0); // 0 + do Output.create(49,12,14,15,12,12,12,12,12,63,0,0); // 1 + do Output.create(50,30,51,48,24,12,6,3,51,63,0,0); // 2 + do Output.create(51,30,51,48,48,28,48,48,51,30,0,0); // 3 + do Output.create(52,16,24,28,26,25,63,24,24,60,0,0); // 4 + do Output.create(53,63,3,3,31,48,48,48,51,30,0,0); // 5 + do Output.create(54,28,6,3,3,31,51,51,51,30,0,0); // 6 + do Output.create(55,63,49,48,48,24,12,12,12,12,0,0); // 7 + do Output.create(56,30,51,51,51,30,51,51,51,30,0,0); // 8 + do Output.create(57,30,51,51,51,62,48,48,24,14,0,0); // 9 + + do Output.create(58,0,0,12,12,0,0,12,12,0,0,0); // : + do Output.create(59,0,0,12,12,0,0,12,12,6,0,0); // ; + do Output.create(60,0,0,24,12,6,3,6,12,24,0,0); // < + do Output.create(61,0,0,0,63,0,0,63,0,0,0,0); // = + do Output.create(62,0,0,3,6,12,24,12,6,3,0,0); // > + do Output.create(64,30,51,51,59,59,59,27,3,30,0,0); // @ + do Output.create(63,30,51,51,24,12,12,0,12,12,0,0); // ? + + do Output.create(65,0,0,0,0,0,0,0,0,0,0,0); // A ** TO BE FILLED ** + do Output.create(66,31,51,51,51,31,51,51,51,31,0,0); // B + do Output.create(67,28,54,35,3,3,3,35,54,28,0,0); // C + do Output.create(68,15,27,51,51,51,51,51,27,15,0,0); // D + do Output.create(69,63,51,35,11,15,11,35,51,63,0,0); // E + do Output.create(70,63,51,35,11,15,11,3,3,3,0,0); // F + do Output.create(71,28,54,35,3,59,51,51,54,44,0,0); // G + do Output.create(72,51,51,51,51,63,51,51,51,51,0,0); // H + do Output.create(73,30,12,12,12,12,12,12,12,30,0,0); // I + do Output.create(74,60,24,24,24,24,24,27,27,14,0,0); // J + do Output.create(75,51,51,51,27,15,27,51,51,51,0,0); // K + do Output.create(76,3,3,3,3,3,3,35,51,63,0,0); // L + do Output.create(77,33,51,63,63,51,51,51,51,51,0,0); // M + do Output.create(78,51,51,55,55,63,59,59,51,51,0,0); // N + do Output.create(79,30,51,51,51,51,51,51,51,30,0,0); // O + do Output.create(80,31,51,51,51,31,3,3,3,3,0,0); // P + do Output.create(81,30,51,51,51,51,51,63,59,30,48,0);// Q + do Output.create(82,31,51,51,51,31,27,51,51,51,0,0); // R + do Output.create(83,30,51,51,6,28,48,51,51,30,0,0); // S + do Output.create(84,63,63,45,12,12,12,12,12,30,0,0); // T + do Output.create(85,51,51,51,51,51,51,51,51,30,0,0); // U + do Output.create(86,51,51,51,51,51,30,30,12,12,0,0); // V + do Output.create(87,51,51,51,51,51,63,63,63,18,0,0); // W + do Output.create(88,51,51,30,30,12,30,30,51,51,0,0); // X + do Output.create(89,51,51,51,51,30,12,12,12,30,0,0); // Y + do Output.create(90,63,51,49,24,12,6,35,51,63,0,0); // Z + + do Output.create(91,30,6,6,6,6,6,6,6,30,0,0); // [ + do Output.create(92,0,0,1,3,6,12,24,48,32,0,0); // \ + do Output.create(93,30,24,24,24,24,24,24,24,30,0,0); // ] + do Output.create(94,8,28,54,0,0,0,0,0,0,0,0); // ^ + do Output.create(95,0,0,0,0,0,0,0,0,0,63,0); // _ + do Output.create(96,6,12,24,0,0,0,0,0,0,0,0); // ` + + do Output.create(97,0,0,0,14,24,30,27,27,54,0,0); // a + do Output.create(98,3,3,3,15,27,51,51,51,30,0,0); // b + do Output.create(99,0,0,0,30,51,3,3,51,30,0,0); // c + do Output.create(100,48,48,48,60,54,51,51,51,30,0,0); // d + do Output.create(101,0,0,0,30,51,63,3,51,30,0,0); // e + do Output.create(102,28,54,38,6,15,6,6,6,15,0,0); // f + do Output.create(103,0,0,30,51,51,51,62,48,51,30,0); // g + do Output.create(104,3,3,3,27,55,51,51,51,51,0,0); // h + do Output.create(105,12,12,0,14,12,12,12,12,30,0,0); // i + do Output.create(106,48,48,0,56,48,48,48,48,51,30,0); // j + do Output.create(107,3,3,3,51,27,15,15,27,51,0,0); // k + do Output.create(108,14,12,12,12,12,12,12,12,30,0,0); // l + do Output.create(109,0,0,0,29,63,43,43,43,43,0,0); // m + do Output.create(110,0,0,0,29,51,51,51,51,51,0,0); // n + do Output.create(111,0,0,0,30,51,51,51,51,30,0,0); // o + do Output.create(112,0,0,0,30,51,51,51,31,3,3,0); // p + do Output.create(113,0,0,0,30,51,51,51,62,48,48,0); // q + do Output.create(114,0,0,0,29,55,51,3,3,7,0,0); // r + do Output.create(115,0,0,0,30,51,6,24,51,30,0,0); // s + do Output.create(116,4,6,6,15,6,6,6,54,28,0,0); // t + do Output.create(117,0,0,0,27,27,27,27,27,54,0,0); // u + do Output.create(118,0,0,0,51,51,51,51,30,12,0,0); // v + do Output.create(119,0,0,0,51,51,51,63,63,18,0,0); // w + do Output.create(120,0,0,0,51,30,12,12,30,51,0,0); // x + do Output.create(121,0,0,0,51,51,51,62,48,24,15,0); // y + do Output.create(122,0,0,0,63,27,12,6,51,63,0,0); // z + + do Output.create(123,56,12,12,12,7,12,12,12,56,0,0); // { + do Output.create(124,12,12,12,12,12,12,12,12,12,0,0); // | + do Output.create(125,7,12,12,12,56,12,12,12,7,0,0); // } + do Output.create(126,38,45,25,0,0,0,0,0,0,0,0); // ~ + + return; + } + + // Creates the character map array of the given character index, using the given values. + function void create(int index, int a, int b, int c, int d, int e, + int f, int g, int h, int i, int j, int k) { + var Array map; + + let map = Array.new(11); + let charMaps[index] = map; + + let map[0] = a; + let map[1] = b; + let map[2] = c; + let map[3] = d; + let map[4] = e; + let map[5] = f; + let map[6] = g; + let map[7] = h; + let map[8] = i; + let map[9] = j; + let map[10] = k; + + return; + } + + // Returns the character map (array of size 11) of the given character. + // If the given character is invalid or non-printable, returns the + // character map of a black square. + function Array getMap(char c) { + if ((c < 32) | (c > 126)) { + let c = 0; + } + return charMaps[c]; + } + + /** Moves the cursor to the j-th column of the i-th row, + * and erases the character displayed there. */ + function void moveCursor(int i, int j) { + } + + /** Displays the given character at the cursor location, + * and advances the cursor one column forward. */ + function void printChar(char c) { + } + + /** displays the given string starting at the cursor location, + * and advances the cursor appropriately. */ + function void printString(String s) { + } + + /** Displays the given integer starting at the cursor location, + * and advances the cursor appropriately. */ + function void printInt(int i) { + } + + /** Advances the cursor to the beginning of the next line. */ + function void println() { + } + + /** Moves the cursor one column back. */ + function void backSpace() { + } +} -- cgit v1.2.3