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Added support for assembling PDP-10 I/O instructions

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This commit is contained in:
Jeff Parsons 2017-02-28 09:14:56 -08:00 • committed by Jeff Parsons
commit a1dba6a679
5 changed files with 965 additions and 948 deletions
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31
modules/pdp10/lib/debugger.js
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@ -1585,16 +1585,26 @@ class DebuggerPDP10 extends Debugger {
break;
}
if (!i && aOperands.length > 1) {
if (operand < 0 || operand > PDP10.OPCODE.A_MASK) {
this.println("accumulator index out of range: " + match[2]);
opCode = -1;
break;
if (opMask == PDP10.OPCODE.OPIO) {
if (operand < 0 || operand > PDP10.OPCODE.IOMASK) {
this.println("device code out of range: " + match[2]);
opCode = -1;
break;
}
opCode += (operand * PDP10.OPCODE.IOSHIFT);
}
else {
if (operand < 0 || operand > PDP10.OPCODE.A_MASK) {
this.println("accumulator address out of range: " + match[2]);
opCode = -1;
break;
}
opCode += (operand << PDP10.OPCODE.A_SHIFT);
}
opCode += (operand << PDP10.OPCODE.A_SHIFT);
continue;
}
if (operand < 0 || operand > PDP10.OPCODE.Y_MASK) {
this.println("address out of range: " + match[2]);
this.println("memory address out of range: " + match[2]);
opCode = -1;
break;
}
@ -1606,7 +1616,7 @@ class DebuggerPDP10 extends Debugger {
break;
}
if (operand < 0 || operand > PDP10.OPCODE.X_MASK) {
this.println("index out of range: " + match[3]);
this.println("memory index out of range: " + match[3]);
opCode = -1;
break;
}
@ -3644,7 +3654,7 @@ class DebuggerPDP10 extends Debugger {
op = ops[sOperation];
this.println(Str.pad(sOperation + ":", 8) + this.toStrWord(op * Math.pow(2, 21)));
//
// The following code leveraged the disassembler to generate opcode handlers for all known opcodes.
// The following code leveraged the disassembler to generate opcode handlers.
//
// this.println("/**");
// this.println(" * op" + sOperation + "(" + this.toStrWord(op * Math.pow(2, 21)) + ")");
@ -3654,17 +3664,18 @@ class DebuggerPDP10 extends Debugger {
// this.println(" */");
// this.println("PDP10.op" + sOperation + " = function(opCode)");
// this.println("{");
// this.println(" this.opUndefined(op);");
// this.println("};\n");
}
//
// The following code leveraged the disassembler to generate an opcode dispatch table for all known opcodes.
// The following code generated an opcode dispatch table.
//
// this.println("PDP10.aOpXXX = [");
// for (opXXX = 0o000; opXXX <= 0o777; opXXX++) {
// sOperation = aOpXXX[opXXX];
// sOperation = sOperation? (" PDP10.op" + sOperation + ",") : " PDP10.opUndefined,";
// sOperation = Str.pad(sOperation, 32);
// sOperation += "// " + Str.toOct(opXXX, 3, true) + "xxx yyyyyy";
// sOperation += "// " + Str.toOct(opXXX, 3, true) + "xxx";
// this.println(sOperation);
// }
// this.println("];");