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[dev]user program can be defined in url, can run for chosen number of steps

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This commit is contained in:
BigEd 2010-10-01 18:39:33 +00:00
parent c8aabd6baa
commit f0536dc716
3 changed files with 40 additions and 10 deletions
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27
macros.js
View File

@ -29,20 +29,31 @@ var trace = Array();
var logstream = Array();
var running = false;
function go(n){
function loadProgram(){
if(userCode.length!=0)
code=userCode;
// default reset vector will be 0x0000 because undefined memory reads as zero
if(userResetLow!=undefined)
mWrite(0xfffc, userResetLow);
if(userResetHigh!=undefined)
mWrite(0xfffd, userResetHigh);
for(var i=0;i<code.length;i++){
mWrite(i, code[i]);
if(i<0x200)
setCellValue(i, code[i]);
}
mWrite(0xfffc, 0x00);
mWrite(0xfffd, 0x00);
steps();
}
function steps(){
function go(){
if(userSteps!=undefined){
if(--userSteps==0){
running=false;
userSteps=undefined;
}
}
if(running) {
step();
setTimeout(steps, 0); // schedule the next poll
setTimeout(go, 0); // schedule the next poll
}
}
@ -99,7 +110,7 @@ function initChip(){
recalcNodeList(allNodes());
for(var i=0;i<8;i++){setHigh('clk0'), setLow('clk0');}
setHigh('res');
for(var i=0;i<18;i++){halfStep();}
for(var i=0;i<18;i++){halfStep();} // avoid updating graphics and trace buffer before user code
refresh();
cycle = 0;
trace = Array();
@ -284,7 +295,7 @@ function runChip(){
start.style.visibility = 'hidden';
stop.style.visibility = 'visible';
running = true;
steps();
go();
}
function stopChip(){

2
memtable.js
View File

@ -59,6 +59,8 @@ function cellKeydown(e){
}
function setCellValue(n, val){
if(val==undefined)
val=0x00;
val%=256;
cellEl(n).val=val;
cellEl(n).innerHTML=hexByte(val);

17
wires.js
View File

@ -44,6 +44,10 @@ var moveHereFirst;
var expertMode=false
var animateChipLayout = true;
var chipLayoutIsVisible = true;
var userCode=[];
var userResetLow;
var userResetHigh;
var userSteps;
/////////////////////////
//
@ -78,6 +82,7 @@ function setup_part2(){
function setup_part3(){
setupTable();
setupNodeNameList();
loadProgram();
initChip();
document.getElementById('stop').style.visibility = 'hidden';
go();
@ -90,6 +95,7 @@ function setupParams(){
var panx;
var pany;
var zoom;
var userAddress;
for(var i=0;i<queryParts.length;i++){
var params=queryParts[i].split("=");
if(params.length!=2){
@ -112,6 +118,17 @@ function setupParams(){
pany=parseInt(value);
} else if(name=="zoom" && parseInt(value)!=NaN){
zoom=parseInt(value);
} else if(name=="steps" && parseInt(value)!=NaN){
userSteps=parseInt(value);
running=true;
} else if(name=="a" && parseInt(value,16)!=NaN){
userAddress=parseInt(value,16);
} else if(name=="d" && value.match(/[0-9a-fA-F]*/)[0].length==value.length){
for(var j=0;j<value.length;j+=2)
userCode[userAddress++]=parseInt(value.slice(j,j+2),16);
} else if(name=="r" && parseInt(value,16)!=NaN){
userResetLow=parseInt(value,16)%256;
userResetHigh=(parseInt(value,16)>>8)%256;
} else {
if(loglevel>0)
console.log('unrecognised parameters:',params);