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Changed serial mouse reset code to send two 'M' ID bytes; fixes #5

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This commit is contained in:
Jeff Parsons 2014-11-08 11:18:22 -08:00 • committed by jeffpar
commit 7908dcfda0
18 changed files with 1156 additions and 1246 deletions
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32
my_modules/pcjs-client/lib/serial.js
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@ -152,16 +152,17 @@ SerialPort.sIOBuffer = "buffer";
* 0x0002 56000 2.86%
* 0x0001 128000
*/
SerialPort.RBR = {REG: 0}; // Receiver Buffer Register (read)
SerialPort.DLL = {REG: 0}; // Divisor Latch LSB (only when SerialPort.LCR.DLAB is set)
SerialPort.THR = {REG: 0}; // Transmitter Holding Register (write)
SerialPort.DLM = {REG: 1}; // Divisor Latch MSB (only when SerialPort.LCR.DLAB is set)
SerialPort.SCR = {REG: 7}; // Scratch Register
SerialPort.DL_DEFAULT = 0x180; // we select an arbitrary default Divisor Latch equivalent to 300 baud
/*
* Interrupt Enable Register (IER.REG, offset 1)
* Receiver Buffer Register (RBR.REG, offset 0; eg, 0x3F8 or 0x2F8)
*/
SerialPort.RBR = {REG: 0}; // (read)
/*
* Interrupt Enable Register (IER.REG, offset 1; eg, 0x3F9 or 0x2F9)
*/
SerialPort.IER = {};
SerialPort.IER.REG = 1; // Interrupt Enable Register
@ -171,8 +172,10 @@ SerialPort.IER.LSR_DELTA = 0x04;
SerialPort.IER.MSR_DELTA = 0x08;
SerialPort.IER.UNUSED = 0xF0; // always zero
SerialPort.DLM = {REG: 1}; // Divisor Latch MSB (only when SerialPort.LCR.DLAB is set)
/*
* Interrupt ID Register (IIR.REG, offset 2)
* Interrupt ID Register (IIR.REG, offset 2; eg, 0x3FA or 0x2FA)
*
* All interrupt conditions cleared by reading the corresponding register (or, in the case of IRR_INT_THR, writing a new value to THR.REG)
*/
@ -187,7 +190,7 @@ SerialPort.IIR.INT_BITS = 0x06;
SerialPort.IIR.UNUSED = 0xF8; // always zero (the ROM BIOS relies on these bits "floating to 1" when no SerialPort is present)
/*
* Line Control Register (LCR.REG, offset 3)
* Line Control Register (LCR.REG, offset 3; eg, 0x3FB or 0x2FB)
*/
SerialPort.LCR = {};
SerialPort.LCR.REG = 3; // Line Control Register
@ -203,7 +206,7 @@ SerialPort.LCR.BREAK = 0x40; // if set, serial output (SOUT) signal i
SerialPort.LCR.DLAB = 0x80; // Divisor Latch Access Bit; if set, DLL.REG and DLM.REG can be read or written
/*
* Modem Control Register (MCR.REG, offset 4)
* Modem Control Register (MCR.REG, offset 4; eg, 0x3FC or 0x2FC)
*/
SerialPort.MCR = {};
SerialPort.MCR.REG = 4; // Modem Control Register
@ -215,7 +218,7 @@ SerialPort.MCR.LOOPBACK = 0x10; // when set, enables loop-back mode
SerialPort.MCR.UNUSED = 0xE0; // always zero
/*
* Line Status Register (LSR.REG, offset 5)
* Line Status Register (LSR.REG, offset 5; eg, 0x3FD or 0x2FD)
*
* NOTE: I've seen different specs for the LSR_TSRE. I'm following the IBM Tech Ref's lead here, but the data sheet I have calls it TEMT
* instead of TSRE, and claims that it is set whenever BOTH the THR and TSR are empty, and clear whenever EITHER the THR or TSR contain data.
@ -232,7 +235,7 @@ SerialPort.LSR.TSRE = 0x40; // Transmitter Shift Register Empty (set
SerialPort.LSR.UNUSED = 0x80; // always zero
/*
* Modem Status Register (MSR.REG, offset 6)
* Modem Status Register (MSR.REG, offset 6; eg, 0x3FE or 0x2FE)
*/
SerialPort.MSR = {};
SerialPort.MSR.REG = 6; // Modem Status Register
@ -245,6 +248,11 @@ SerialPort.MSR.DSR = 0x20; // when set, the modem or data set is re
SerialPort.MSR.RI = 0x40; // complement of the RI (Ring Indicator) input
SerialPort.MSR.RLSD = 0x80; // complement of the RLSD (Received Line Signal Detect) input
/*
* Scratch Register (SCR.REG, offset 7; eg, 0x3FF or 0x2FF)
*/
SerialPort.SCR = {REG: 7};
/**
* attachMouse(id, mouse)
*
@ -718,7 +726,7 @@ SerialPort.prototype.echoByte = function(b) {
*/
SerialPort.prototype.messageDebugger = function(sMessage) {
if (DEBUGGER && this.dbg) {
if (this.dbg.messageEnabled(Debugger.MESSAGE_SERIAL)) {
if (this.dbg.messageEnabled(Debugger.MESSAGE.SERIAL)) {
this.dbg.message(sMessage);
}
}
@ -738,7 +746,7 @@ SerialPort.prototype.messageDebugger = function(sMessage) {
*/
SerialPort.prototype.messagePort = function(port, bOut, addrFrom, name, bIn) {
if (DEBUGGER && this.dbg) {
this.dbg.messagePort(this, port, bOut, addrFrom, name, Debugger.MESSAGE_SERIAL, bIn);
this.dbg.messagePort(this, port, bOut, addrFrom, name, Debugger.MESSAGE.SERIAL, bIn);
}
};