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Debug character mode presence-bit interrupts and return from interrupt using IP1.

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paul
2013-02-18 00:41:10 +00:00
parent 239eb2f624
commit 6f20eab55e
2 changed files with 15 additions and 12 deletions
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23
emulator/B5500Processor.js
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@@ -1220,7 +1220,7 @@ B5500Processor.prototype.storeForInterrupt = function(forTest) {
}
if (this.CWMF) {
temp = this.S; // get the correct TOS address from X
temp = this.S; // if CM, get the correct TOS address from X
this.S = (this.X % 0x40000000) >>> 15;
this.X = this.cc.fieldInsert(this.X, 18, 15, temp);
if (this.AROF || forTest) {
@@ -1372,13 +1372,13 @@ B5500Processor.prototype.start = function() {
B5500Processor.prototype.initiate = function(forTest) {
/* Initiates the processor from interrupt control words stored in the
stack. Assumes the INCW is in A. "forTest" implies use from IFT */
var saveAROF;
var saveBROF;
var saveAROF = 0;
var saveBROF = 0;
var temp;
// restore the Initiate Control Word or Initiate Test Control Word
this.S = this.A % 0x8000;
this.CWMF = Math.floor(this.A / 0x8000) % 0x02;
this.CWMF = (this.A % 0x10000) >>> 15;
if (forTest) {
this.TM = Math.floor(this.A / 0x10000) % 0x20;
this.Z = Math.floor(this.A / 0x400000) % 0x40;
@@ -1389,8 +1389,6 @@ B5500Processor.prototype.initiate = function(forTest) {
this.TM |= Math.floor(this.A / 0x400000000000) % 0x02 * 128; // MROF
// Emulator doesn't support J register, so can't set that from TM
}
this.AROF = 0;
this.BROF = 0;
// restore the Interrupt Return Control Word
this.loadBviaS(); // B = [S]
@@ -1404,7 +1402,7 @@ B5500Processor.prototype.initiate = function(forTest) {
this.H = Math.floor(this.B / 0x20000000000) % 0x08;
this.loadPviaC(); // load program word to P
if (this.CWMF || forTest) {
saveBROF = Math.floor(this.B / 200000000000) % 0x02;
saveBROF = Math.floor(this.B / 0x200000000000) % 0x02;
}
// restore the Interrupt Control Word
@@ -1437,6 +1435,8 @@ B5500Processor.prototype.initiate = function(forTest) {
this.S--;
}
this.AROF = saveAROF;
this.BROF = saveBROF;
if (this.CWMF) {
// exchange S with its field in X
temp = this.S;
@@ -1445,7 +1445,9 @@ B5500Processor.prototype.initiate = function(forTest) {
temp * 0x8000 +
Math.floor(this.X / 0x40000000) * 0x40000000;
}
// else don't restore A or B for word mode -- will pop up as necessary
} else { // don't restore A or B for word mode -- will pop up as necessary
this.AROF = 0;
this.BROF = 0;
}
this.T = this.cc.fieldIsolate(this.P, this.L*12, 12);
@@ -2638,7 +2640,6 @@ B5500Processor.prototype.enterCharModeInline = function() {
this.R = 0;
this.CWMF = 1;
this.X = this.S * 0x8000; // inserting S into X.[18:15], but X is zero at this point
this.S = 0;
this.V = 0;
this.B = bw = this.A;
@@ -3691,9 +3692,9 @@ B5500Processor.prototype.run = function() {
this.loadAviaM();
if (this.NCSF) {
if (this.A % 0x200000 < 0x100000) {
this.I = (this.I & 0x0F) | 0x50; // set I07/I05: program release
this.I = (this.I & 0x0F) | 0x50; // set I07/5: program release
} else {
this.I = (this.I & 0x0F) | 0x60; // set I07/I06: continuity bit
this.I = (this.I & 0x0F) | 0x60; // set I07/6: continuity bit
}
this.cc.signalInterrupt();
this.A = this.M;

4
webUI/tools/B5500SyllableDebugger.html
View File

@@ -551,7 +551,7 @@ function displaySyllable() {
/* Decodes the syllable in the T register and formats it for display in the
"TMnemonic" table cell */
setText("TMnemonic", decodeSyllable(cc.P1.T, cc.P1.SALF, cc.P1.MSFF));
setText("TMnemonic", decodeSyllable(cc.P1.T, cc.P1.CWMF, cc.P1.SALF, cc.P1.MSFF));
}
function displayRegisters() {
@@ -1238,6 +1238,8 @@ window.onload = function() {
<input id=SALF name=SALF type=checkbox value=1><label for=SALF>SALF</label>
&nbsp;&nbsp;
<input id=VARF name=VARF type=checkbox value=1><label for=VARF>VARF</label>
<tr>
<td colspan=6>&nbsp;
<tr>
<td colspan=6>
<input id=Step name=Step type=button value="Step" accesskey=P>