From d4e0d8a422822d8cad25a1006833d6847b6c2053 Mon Sep 17 00:00:00 2001 From: Jeff Parsons Date: Wed, 23 Nov 2016 22:02:22 -0800 Subject: [PATCH] Changed PC8080 auto-release timeout for key presses to use built-in setTimer() instead of the browser's setTimeout(), and reduced the timeout from 100ms to 50ms; let's see if the VT100 still experiences dropped keys when typing fast --- modules/pc8080/lib/keyboard.js | 219 +++++++------ versions/pc8080/1.30.4/pc8080-dbg.js | 468 +++++++++++++-------------- versions/pc8080/1.30.4/pc8080.js | 332 +++++++++---------- 3 files changed, 517 insertions(+), 502 deletions(-) diff --git a/modules/pc8080/lib/keyboard.js b/modules/pc8080/lib/keyboard.js index 278743648..eb46884e9 100644 --- a/modules/pc8080/lib/keyboard.js +++ b/modules/pc8080/lib/keyboard.js @@ -33,6 +33,7 @@ if (NODE) { var web = require("../../shared/lib/weblib"); var Component = require("../../shared/lib/component"); var Keys = require("../../shared/lib/keys"); + var State = require("../../shared/lib/state"); var PC8080 = require("./defines"); var ChipSet8080 = require("./chipset"); var Messages8080= require("./messages"); @@ -68,7 +69,7 @@ function Keyboard8080(parmsKbd) Component.subclass(Keyboard8080); -Keyboard8080.MINPRESSTIME = 100; // 100ms +Keyboard8080.MINPRESSTIME = 50; // minimum milliseconds to wait before auto-releasing keys /** * Alternate keyCode mappings to support popular "WASD"-style directional-key mappings. @@ -101,7 +102,107 @@ Keyboard8080.SI1978 = { Keyboard8080.VT100 = { MODEL: 100.0, - KEYMAP: {}, + KEYMAP: { + /* + * Map of host key codes to VT100 key addresses (7-bit values representing key positions on the VT100). + * + * NOTE: The VT100 keyboard has both BACKSPACE and DELETE keys, whereas modern keyboards generally only + * have DELETE. And sadly, when you press DELETE, your modern keyboard and/or modern browser is reporting + * it as keyCode 8: the code for BACKSPACE, aka CTRL-H. You have to press a modified DELETE key to get + * the actual DELETE keyCode of 127. + * + * We resolve this below by mapping KEYCODE.BS (8) to VT100 keyCode DELETE (0x03) and KEYCODE.DEL (127) + * to VT100 keyCode BACKSPACE (0x33). So, DELETE is BACKSPACE and BACKSPACE is DELETE. Fortunately, this + * confusion is all internal, because your physical key is (or should be) labeled DELETE, so the fact that + * the browser is converting it to BACKSPACE and that we're converting BACKSPACE back into DELETE is + * something most people don't need to worry their heads about. + * + * ES6 ALERT: As you can see below, I've finally started using computed property names. + */ + [Keys.KEYCODE.BS]: 0x03, + [Keys.ASCII.P]: 0x05, + [Keys.ASCII.O]: 0x06, + [Keys.ASCII.Y]: 0x07, + [Keys.ASCII.T]: 0x08, + [Keys.ASCII.W]: 0x09, + [Keys.ASCII.Q]: 0x0A, + [Keys.KEYCODE.RIGHT]: 0x10, + [Keys.KEYCODE.RBRACK]: 0x14, + [Keys.KEYCODE.LBRACK]: 0x15, + [Keys.ASCII.I]: 0x16, + [Keys.ASCII.U]: 0x17, + [Keys.ASCII.R]: 0x18, + [Keys.ASCII.E]: 0x19, + [Keys.KEYCODE.ONE]: 0x1A, + [Keys.KEYCODE.LEFT]: 0x20, + [Keys.KEYCODE.DOWN]: 0x22, + [Keys.KEYCODE.F6]: 0x23, // aka BREAK + [Keys.KEYCODE.PAUSE]: 0x23, // aka BREAK + [Keys.KEYCODE.BQUOTE]: 0x24, + [Keys.KEYCODE.DASH]: 0x25, + [Keys.KEYCODE.NINE]: 0x26, + [Keys.KEYCODE.SEVEN]: 0x27, + [Keys.KEYCODE.FOUR]: 0x28, + [Keys.KEYCODE.THREE]: 0x29, + [Keys.KEYCODE.ESC]: 0x2A, + [Keys.KEYCODE.UP]: 0x30, + [Keys.KEYCODE.F3]: 0x31, // aka PF3 + [Keys.KEYCODE.F1]: 0x32, // aka PF1 + [Keys.KEYCODE.DEL]: 0x33, + [Keys.KEYCODE.EQUALS]: 0x34, + [Keys.KEYCODE.ZERO]: 0x35, + [Keys.KEYCODE.EIGHT]: 0x36, + [Keys.KEYCODE.SIX]: 0x37, + [Keys.KEYCODE.FIVE]: 0x38, + [Keys.KEYCODE.TWO]: 0x39, + [Keys.KEYCODE.TAB]: 0x3A, + [Keys.KEYCODE.NUM_7]: 0x40, + [Keys.KEYCODE.F4]: 0x41, // aka PF4 + [Keys.KEYCODE.F2]: 0x42, // aka PF2 + [Keys.KEYCODE.NUM_0]: 0x43, + [Keys.KEYCODE.F7]: 0x44, // aka LINE FEED + [Keys.KEYCODE.BSLASH]: 0x45, + [Keys.ASCII.L]: 0x46, + [Keys.ASCII.K]: 0x47, + [Keys.ASCII.G]: 0x48, + [Keys.ASCII.F]: 0x49, + [Keys.ASCII.A]: 0x4A, + [Keys.KEYCODE.NUM_8]: 0x50, + [Keys.KEYCODE.NUM_CR]: 0x51, + [Keys.KEYCODE.NUM_2]: 0x52, + [Keys.KEYCODE.NUM_1]: 0x53, + [Keys.KEYCODE.QUOTE]: 0x55, + [Keys.KEYCODE.SEMI]: 0x56, + [Keys.ASCII.J]: 0x57, + [Keys.ASCII.H]: 0x58, + [Keys.ASCII.D]: 0x59, + [Keys.ASCII.S]: 0x5A, + [Keys.KEYCODE.NUM_DEL]: 0x60, // keypad period + [Keys.KEYCODE.F5]: 0x61, // aka KEYPAD COMMA + [Keys.KEYCODE.NUM_5]: 0x62, + [Keys.KEYCODE.NUM_4]: 0x63, + [Keys.KEYCODE.CR]: 0x64, // TODO: Figure out why the Technical Manual lists CR at both 0x04 and 0x64 + [Keys.KEYCODE.PERIOD]: 0x65, + [Keys.KEYCODE.COMMA]: 0x66, + [Keys.ASCII.N]: 0x67, + [Keys.ASCII.B]: 0x68, + [Keys.ASCII.X]: 0x69, + [Keys.KEYCODE.F8]: 0x6A, // aka NO SCROLL + [Keys.KEYCODE.NUM_9]: 0x70, + [Keys.KEYCODE.NUM_3]: 0x71, + [Keys.KEYCODE.NUM_6]: 0x72, + [Keys.KEYCODE.NUM_SUB]: 0x73, // aka KEYPAD MINUS + [Keys.KEYCODE.SLASH]: 0x75, + [Keys.ASCII.M]: 0x76, + [Keys.ASCII[' ']]: 0x77, + [Keys.ASCII.V]: 0x78, + [Keys.ASCII.C]: 0x79, + [Keys.ASCII.Z]: 0x7A, + [Keys.KEYCODE.F9]: 0x7B, // aka SET-UP + [Keys.KEYCODE.CTRL]: 0x7C, + [Keys.KEYCODE.SHIFT]: 0x7D, // either shift key (doesn't matter) + [Keys.KEYCODE.CAPS_LOCK]: 0x7E + }, ALTCODES: {}, LEDCODES: {}, SOFTCODES: { @@ -147,104 +248,6 @@ Keyboard8080.VT100 = { KEYLAST: 0x7F // special end-of-scan key address (all valid key addresses are < KEYLAST) }; -/* - * Table mapping host key codes to VT100 key addresses (7-bit values representing key positions on the VT100) - * - * NOTE: The VT100 keyboard has both BACKSPACE and DELETE keys, whereas modern keyboards generally only - * have DELETE. And sadly, when you press DELETE, your modern keyboard and/or modern browser is reporting - * it as keyCode 8: the code for BACKSPACE, aka CTRL-H. You have to press a modified DELETE key to get - * the actual DELETE keyCode of 127. - * - * We resolve this below by mapping KEYCODE.BS (8) to VT100 keyCode DELETE (0x03) and KEYCODE.DEL (127) - * to VT100 keyCode BACKSPACE (0x33). So, DELETE is BACKSPACE and BACKSPACE is DELETE. Fortunately, this - * confusion is all internal, because your physical key is (or should be) labeled DELETE, so the fact that - * the browser is converting it to BACKSPACE and that we're converting BACKSPACE back into DELETE is - * something most people don't need to worry their heads about. - */ -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.BS] = 0x03; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.P] = 0x05; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.O] = 0x06; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.Y] = 0x07; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.T] = 0x08; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.W] = 0x09; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.Q] = 0x0A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.RIGHT] = 0x10; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.RBRACK] = 0x14; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.LBRACK] = 0x15; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.I] = 0x16; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.U] = 0x17; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.R] = 0x18; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.E] = 0x19; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.ONE] = 0x1A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.LEFT] = 0x20; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.DOWN] = 0x22; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F6] = 0x23; // aka BREAK -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.PAUSE] = 0x23; // aka BREAK -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.BQUOTE] = 0x24; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.DASH] = 0x25; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NINE] = 0x26; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.SEVEN] = 0x27; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.FOUR] = 0x28; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.THREE] = 0x29; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.ESC] = 0x2A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.UP] = 0x30; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F3] = 0x31; // aka PF3 -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F1] = 0x32; // aka PF1 -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.DEL] = 0x33; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.EQUALS] = 0x34; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.ZERO] = 0x35; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.EIGHT] = 0x36; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.SIX] = 0x37; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.FIVE] = 0x38; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.TWO] = 0x39; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.TAB] = 0x3A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_7] = 0x40; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F4] = 0x41; // aka PF4 -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F2] = 0x42; // aka PF2 -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_0] = 0x43; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F7] = 0x44; // aka LINE FEED -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.BSLASH] = 0x45; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.L] = 0x46; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.K] = 0x47; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.G] = 0x48; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.F] = 0x49; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.A] = 0x4A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_8] = 0x50; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_CR] = 0x51; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_2] = 0x52; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_1] = 0x53; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.QUOTE] = 0x55; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.SEMI] = 0x56; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.J] = 0x57; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.H] = 0x58; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.D] = 0x59; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.S] = 0x5A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_DEL] = 0x60; // keypad period -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F5] = 0x61; // aka KEYPAD COMMA -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_5] = 0x62; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_4] = 0x63; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.CR] = 0x64; // TODO: Figure out why the Technical Manual lists CR at both 0x04 and 0x64 -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.PERIOD] = 0x65; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.COMMA] = 0x66; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.N] = 0x67; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.B] = 0x68; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.X] = 0x69; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F8] = 0x6A; // aka NO SCROLL -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_9] = 0x70; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_3] = 0x71; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_6] = 0x72; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.NUM_SUB] = 0x73; // aka KEYPAD MINUS -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.SLASH] = 0x75; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.M] = 0x76; -Keyboard8080.VT100.KEYMAP[Keys.ASCII[' ']] = 0x77; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.V] = 0x78; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.C] = 0x79; -Keyboard8080.VT100.KEYMAP[Keys.ASCII.Z] = 0x7A; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.F9] = 0x7B; // aka SET-UP -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.CTRL] = 0x7C; -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.SHIFT] = 0x7D; // either shift key (doesn't matter) -Keyboard8080.VT100.KEYMAP[Keys.KEYCODE.CAPS_LOCK] = 0x7E; - Keyboard8080.VT100.LEDCODES = { 'l4': Keyboard8080.VT100.STATUS.LED4, 'l3': Keyboard8080.VT100.STATUS.LED3, @@ -381,7 +384,14 @@ Keyboard8080.prototype.initBus = function(cmp, bus, cpu, dbg) this.cmp = cmp; this.cpu = cpu; this.dbg = dbg; // NOTE: The "dbg" property must be set for the message functions to work + + var kbd = this; + this.timerReleaseKeys = this.cpu.addTimer(function() { + kbd.checkSoftKeysToRelease(); + }); + this.chipset = /** @type {ChipSet8080} */ (cmp.getMachineComponent("ChipSet")); + bus.addPortInputTable(this, this.config.portsInput); bus.addPortOutputTable(this, this.config.portsOutput); }; @@ -710,8 +720,13 @@ Keyboard8080.prototype.checkSoftKeysToRelease = function() i++; } if (msDelayMin >= 0) { - var kbd = this; - setTimeout(function() { kbd.checkSoftKeysToRelease(); }, msDelayMin); + /* + * Replaced the klunky browser setTimeout() call with our own timer service. + * + * var kbd = this; + * setTimeout(function() { kbd.checkSoftKeysToRelease(); }, msDelayMin); + */ + this.cpu.setTimer(this.timerReleaseKeys, msDelayMin); } }; diff --git a/versions/pc8080/1.30.4/pc8080-dbg.js b/versions/pc8080/1.30.4/pc8080-dbg.js index 1e685d444..8d6c7d17f 100644 --- a/versions/pc8080/1.30.4/pc8080-dbg.js +++ b/versions/pc8080/1.30.4/pc8080-dbg.js @@ -29,260 +29,260 @@ http://pcjs.org/modules/pc8080/lib/computer.js (C) Jeff Parsons 2012-2016 http://pcjs.org/modules/shared/lib/state.js (C) Jeff Parsons 2012-2016 */ -var l,m={pe:1,qe:3,re:26," ":32,"!":33,'"':34,"#":35,$:36,"%":37,"&":38,"'":39,"(":40,")":41,"*":42,"+":43,",":44,"-":45,".":46,"/":47,0:48,1:49,2:50,3:51,4:52,5:53,6:54,7:55,8:56,9:57,":":58,";":59,"<":60,"=":61,">":62,"?":63,"@":64,Xb:65,Kc:66,Mc:67,$b:68,E:69,Pc:70,Qc:71,Rc:72,Sc:73,Zc:74,$c:75,bc:76,gd:77,hd:78,kd:79,ld:80,Q:81,rd:82,ud:83,Ad:84,Bd:85,Cd:86,Dd:87,Fd:88,Gd:89,Hd:90,"[":91,"\\":92,"]":93,"^":94,_:95,"`":96,Ze:97,$e:98,af:99,d:100,e:101,bf:102,cf:103,df:104,ef:105,ff:106,k:107,gf:108, +var l,n={pe:1,qe:3,re:26," ":32,"!":33,'"':34,"#":35,$:36,"%":37,"&":38,"'":39,"(":40,")":41,"*":42,"+":43,",":44,"-":45,".":46,"/":47,0:48,1:49,2:50,3:51,4:52,5:53,6:54,7:55,8:56,9:57,":":58,";":59,"<":60,"=":61,">":62,"?":63,"@":64,Xb:65,Kc:66,Mc:67,$b:68,E:69,Pc:70,Qc:71,Rc:72,Sc:73,Zc:74,$c:75,bc:76,gd:77,hd:78,kd:79,ld:80,Q:81,rd:82,ud:83,Ad:84,Bd:85,Cd:86,Dd:87,Fd:88,Gd:89,Hd:90,"[":91,"\\":92,"]":93,"^":94,_:95,"`":96,Ze:97,$e:98,af:99,d:100,e:101,bf:102,cf:103,df:104,ef:105,ff:106,k:107,gf:108, hf:109,n:110,jf:111,p:112,q:113,r:114,kf:115,t:116,mf:117,nf:118,pf:119,x:120,y:121,z:122,"{":123,"|":124,"}":125,"~":126,se:127}; 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