From 8cb79257c904acd20fa375b07c2b2e907bf1c6b2 Mon Sep 17 00:00:00 2001 From: Jeff Parsons Date: Mon, 15 Aug 2016 15:00:36 -0700 Subject: [PATCH] Spiffed up the VT100 demo pages --- devices/pc8080/machine/vt100/README.md | 35 +- .../pc8080/machine/vt100/debugger/README.md | 22 +- .../pc8080/machine/vt100/debugger/machine.xml | 2 +- devices/pc8080/machine/vt100/machine.xml | 7 +- modules/pc8080/lib/serialport.js | 33 +- versions/pc8080/1.23.3/pc8080-dbg.js | 358 +++++++++--------- versions/pc8080/1.23.3/pc8080.js | 142 +++---- 7 files changed, 331 insertions(+), 268 deletions(-) diff --git a/devices/pc8080/machine/vt100/README.md b/devices/pc8080/machine/vt100/README.md index 6e40a91c0..64e69f098 100644 --- a/devices/pc8080/machine/vt100/README.md +++ b/devices/pc8080/machine/vt100/README.md @@ -15,12 +15,41 @@ This is a PCjs work-in-progress emulation of another 8080-based machine: the VT1 Unlike other VT100 emulators, it is not simply an emulation of VT100 protocols. It is a simulation of the original VT100 machine, running the [VT100 Firmware](/devices/pc8080/rom/vt100/) inside the [PC8080](/modules/pc8080/) CPU emulator. +A [Debugger Configuration](/devices/pc8080/machine/vt100/debugger/) is also available. Admittedly, terminals aren't that useful in isolation, since they're designed to be connected to other (host) machines. But once this PCjs VT100 Terminal simulation is fully operational, you can expect to see it used in conjunction with a variety of other PCjs machines. -For now, play with the [Debugger Configuration](/devices/pc8080/machine/vt100/debugger/), which also provides information -about VT100 internals and links to other technical resources. - {% include machine.html id="vt100" %} + +VT100 Keys +---------- + +Function keys are mapped as follows: + +- F1: PF1 +- F2: PF2 +- F3: PF3 +- F4: PF4 +- F6: BREAK +- F7: LINE FEED +- F8: NO SCROLL +- F9: SET-UP + +From the SET-UP screen, you can press **4** to switch to LOCAL mode and verify local operation of most VT100 +keys. The following keys have special meaning inside SET-UP Mode. + +### SET-UP Mode Keys + +- 0: RESET +- 2: SET/CLEAR TAB +- 3: CLEAR ALL TABS +- 4: ONLINE/LOCAL +- 5: SET-UP A/B +- 6: TOGGLE FEATURE +- 7: TRANSMIT SPEED +- 8: RECEIVE SPEED +- 9: 80/132 COLUMNS +- SHIFT-S: Save SET-UP Features +- SHIFT-R: Restore SET-UP Features diff --git a/devices/pc8080/machine/vt100/debugger/README.md b/devices/pc8080/machine/vt100/debugger/README.md index 6bb308ab6..6c1844423 100644 --- a/devices/pc8080/machine/vt100/debugger/README.md +++ b/devices/pc8080/machine/vt100/debugger/README.md @@ -12,10 +12,17 @@ DEC VT100 Terminal with Debugger -------------------------------- The [PC8080](/modules/pc8080/) machine below is configured to simulate a [VT100 Terminal](/devices/pc8080/machine/vt100/) -with a Control Panel and Debugger. It is running the original [VT100 Firmware](/devices/pc8080/rom/vt100/) inside the -[PC8080](/modules/pc8080/) CPU emulator. You'll also find assorted [Hardware Notes](#vt100-memory-usage) below. +with a Control Panel and Debugger. When you press the "Run" button, it will start running the original +[VT100 Firmware](/devices/pc8080/rom/vt100/) inside the [PC8080](/modules/pc8080/) CPU emulator. -Click the "Run" button to start the simulation. The VT100 KEYMAP table in [keyboard.js](/modules/pc8080/lib/keyboard.js) +Information about [VT100 Keys](#vt100-keys) along with assorted [Hardware Notes](#vt100-memory-usage) are provided below. + +{% include machine.html id="vt100" %} + +VT100 Keys +---------- + +The VT100 KEYMAP table in [keyboard.js](/modules/pc8080/lib/keyboard.js) maps modern keys to VT100 key addresses, and most of the mappings are 1-1. Function keys are mapped as follows: - F1: PF1 @@ -27,8 +34,8 @@ maps modern keys to VT100 key addresses, and most of the mappings are 1-1. Func - F8: NO SCROLL - F9: SET-UP -The simulation is not fully operational yet, but it is now possible to access the SET-UP screen, press **4** to switch to -LOCAL mode, and verify local operation of most VT100 keys. You can also test the following keys while in SET-UP Mode. +From the SET-UP screen, you can press **4** to switch to LOCAL mode and verify local operation of most VT100 +keys. The following keys have special meaning inside SET-UP Mode. ### SET-UP Mode Keys @@ -44,8 +51,6 @@ LOCAL mode, and verify local operation of most VT100 keys. You can also test th - SHIFT-S: Save SET-UP Features - SHIFT-R: Restore SET-UP Features -{% include machine.html id="vt100" %} - VT100 Memory Usage ------------------ @@ -241,8 +246,7 @@ Some additional observations: set in the keyboard STATUS port (0x82), generating a "bell" (beep). The NVR checksum test used to fail when we initialized all NVR words with the freshly-erased value of 0x3fff; now we initialize them with canned values (see ChipSet.VT100.INIT). -SET-UP Mode ------------ +### SET-UP Mode From "PART 2: SET-UP MODE", p. 2-6, of the VT100 Technical Manual (July 1982): diff --git a/devices/pc8080/machine/vt100/debugger/machine.xml b/devices/pc8080/machine/vt100/debugger/machine.xml index 1230b8774..a4349b299 100644 --- a/devices/pc8080/machine/vt100/debugger/machine.xml +++ b/devices/pc8080/machine/vt100/debugger/machine.xml @@ -28,7 +28,7 @@ SET-UP - TEST + TEST RECEIVER diff --git a/devices/pc8080/machine/vt100/machine.xml b/devices/pc8080/machine/vt100/machine.xml index b47d52e02..378bca98e 100644 --- a/devices/pc8080/machine/vt100/machine.xml +++ b/devices/pc8080/machine/vt100/machine.xml @@ -24,5 +24,10 @@ - + + SET-UP + + + TEST RECEIVER + diff --git a/modules/pc8080/lib/serialport.js b/modules/pc8080/lib/serialport.js index 6741b8407..36a781cea 100644 --- a/modules/pc8080/lib/serialport.js +++ b/modules/pc8080/lib/serialport.js @@ -272,7 +272,7 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) if (keyCode === 0x08 || event.ctrlKey && keyCode >= 0x41 && keyCode <= 0x5A) { if (event.preventDefault) event.preventDefault(); if (keyCode > 0x40) keyCode -= 0x40; - serial.sendByte(keyCode); + serial.sendByteIn(keyCode); } return true; }; @@ -312,8 +312,17 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) * that do not conflict with predefined controls (which, of course, is the only way you can get here). */ this.bindings[sBinding] = control; + /* + * Convert any "backslashed" sequences into the appropriate control characters. + */ + sValue = sValue.replace(/\\n/g, "\n").replace(/\\r/g, "\r"); control.onclick = function onClickTest(event) { - serial.sendByte(sValue.charCodeAt(0)); + serial.sDataIn = sValue; + serial.sendDataIn(); + /* + * Give focus back to the machine (since clicking the button takes focus away). + */ + if (serial.cmp) serial.cmp.updateFocus(); return true; }; return true; @@ -334,6 +343,7 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) */ SerialPort.prototype.initBus = function(cmp, bus, cpu, dbg) { + this.cmp = cmp; this.bus = bus; this.cpu = cpu; this.dbg = dbg; @@ -459,13 +469,13 @@ SerialPort.prototype.saveRegisters = function() }; /** - * sendByte(b) + * sendByteIn(b) * * @this {SerialPort} * @param {number} b * @return {boolean} */ -SerialPort.prototype.sendByte = function(b) +SerialPort.prototype.sendByteIn = function(b) { if (!(this.bStatus & SerialPort.UART8251.STATUS.RECV_FULL)) { this.bDataIn = b; @@ -476,6 +486,20 @@ SerialPort.prototype.sendByte = function(b) return false; }; +/** + * sendDataIn() + * + * @this {SerialPort} + */ +SerialPort.prototype.sendDataIn = function() +{ + if (this.sDataIn) { + if (this.sendByteIn(this.sDataIn.charCodeAt(0))) { + this.sDataIn = this.sDataIn.substr(1); + } + } +}; + /** * echoByte(b) * @@ -537,6 +561,7 @@ SerialPort.prototype.inData = function(port, addrFrom) var b = this.bDataIn; this.printMessageIO(port, null, addrFrom, "DATA", b); this.bStatus &= ~SerialPort.UART8251.STATUS.RECV_FULL; + this.sendDataIn(); // if there is still queued incoming data, send another byte return b; }; diff --git a/versions/pc8080/1.23.3/pc8080-dbg.js b/versions/pc8080/1.23.3/pc8080-dbg.js index 3ba0d0c72..6f67e0441 100644 --- a/versions/pc8080/1.23.3/pc8080-dbg.js +++ b/versions/pc8080/1.23.3/pc8080-dbg.js @@ -9,7 +9,7 @@ function qa(){return window?window.navigator.userAgent:""}function u(a){window&& function ua(a){var b;if(window)try{b=window.localStorage.getItem(a)}catch(c){}return b}function va(a,b){try{return window.localStorage.setItem(a,b),!0}catch(c){}return!1}function wa(a){if(window){var 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