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view.js
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view.js
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function View (model, controller){
// -------- MVC --------
var model;
var controller;
var line2_instruction = [ Mnemonicos.STORE, Mnemonicos.LOAD, Mnemonicos.LOADIMED, Mnemonicos.JMP, Mnemonicos.CALL ];
// ---- registradores -------
var FR = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
var reg = [0,0,0,0,0,0,0,0];
var ir, sp;
// ----------Canvas -----------
var c=document.getElementById("canvas");
var ctx=c.getContext("2d");
var canvasData = ctx.getImageData(0, 0, 640, 480);
for(var ci=3;ci<480*640*4;ci+=4){
canvasData.data[ci] = 255;
}
// ----- Instrucoes ---------
var buffer = new Array(40);
// -- charmap e cpuram ---
var charmap;
var cpuram;
// ----- Registradores -----
this.updatePC = function(){
pc = model.getPC();
if(!controller.getHex()){
document.getElementById('PC').value = pc;
}else{
document.getElementById('PC').value = pc.toString(16);
}
}
this.updateIR = function(){
ir = model.getIR();
if(!controller.getHex()){
document.getElementById('IR').value = ir;
}else{
document.getElementById('IR').value = ir.toString(16);
}
}
this.updateSP = function(){
sp = model.getSP();
if(!controller.getHex()){
document.getElementById('SP').value = sp;
}else{
document.getElementById('SP').value = sp.toString(16);
}
}
this.updateFR = function(){
FR = model.getFR();
document.getElementById('FR').value = "";
for(var i=0;i<16;i++)
document.getElementById('FR').value += FR[i].toString(16);
}
this.updateRegistradores = function(){
for(var i=0; i<8; i++)
{ reg[i] = model.getRegistrador(i); // atualiza o valor dos registradores
if(!controller.getHex()){
document.getElementById('r['+i+']').value = reg[i];
}else{
document.getElementById('r['+i+']').value = reg[i].toString(16);
}
}
}
// -------- Video --------
function drawPixel (x, y, color) {
var R,G,B;
switch(color)
{ case Mnemonicos.BROWN: R = 165; G = 42; B = 42; break;
case Mnemonicos.GREEN: R = 0; G = 255; B = 0; break;
case Mnemonicos.OLIVE: R = 120; G = 130; B = 30; break;
case Mnemonicos.NAVY: R = 30; G = 50; B = 130; break;
case Mnemonicos.PURPLE: R = 132; G = 42; B = 120; break;
case Mnemonicos.TEAL: R = 0; G = 127; B = 0.127; break;
case Mnemonicos.SILVER: R = 178; G = 178; B = 178; break;
case Mnemonicos.GRAY: R = 188; G = 188; B = 188; break;
case Mnemonicos.RED: R = 255; G = 0; B = 0; break;
case Mnemonicos.LIME: R = 198; G = 198; B = 50; break;
case Mnemonicos.YELLOW: R = 255; G = 255; B = 0; break;
case Mnemonicos.BLUE: R = 0; G = 0; B = 255; break;
case Mnemonicos.FUCHSIA: R = 255; G = 27; B = 170; break;
case Mnemonicos.AQUA: R = 120; G = 200; B = 135; break;
case Mnemonicos.WHITE: R = 255; G = 255; B = 255; break;
case Mnemonicos.BLACK: R = 0; G = 0; B = 0; break;
default: R = 255; G = 255; B = 255; break;
}
for(var i = x*2; i < x*2+2 ;i++){
for(var j = y*2; j < y*2+2 ;j++){
var index = (i + j * 640) * 4;
canvasData.data[index + 0] = R;
canvasData.data[index + 1] = G;
canvasData.data[index + 2] = B;
}
}
}
this.updateCanvas = function() {
ctx.putImageData(canvasData, 0, 0);
}
this.draw_pixmap = function(pos){
var block = model.getBlock(pos);
var symbol=block.sym, color=block.color;
var x=8*(pos%40), y=8*parseInt(pos/40);
for(i=0; i<8; i++)
{ for(j=0; j<8; j++)
{
if(chars[i+symbol][j]){
drawPixel(x+j, y+i, color);
}else{
drawPixel(x+j, y+i, Mnemonicos.BLACK);
}
}
}
}
// ----- Instrucoes -------
this.updateInstrucoes = function(atual, proxima, linhas){
var i, k;
var temp;
this.show_program(1, atual, sp);
this.show_program(3, proxima, sp);
for(i=0; i<linhas; i++)
{ temp = 1;
for(k=0; k<5; k++)
{ if(model.pega_pedaco(model.getMem(proxima),15,10) == line2_instruction[k])
temp = 2;
}
proxima = proxima + temp;
this.show_program(i+4,proxima,sp);
}
}
this.show_program = function(linha, pc, sp){
ir = model.getMem(pc),
_rx = model.pega_pedaco(ir,9,7),
_ry = model.pega_pedaco(ir,6,4),
_rz = model.pega_pedaco(ir,3,1);
var texto;
switch(model.pega_pedaco(ir,15,10))
{ case Mnemonicos.INCHAR: texto = "PC: "+pc+"	| INCHAR R"+_rx+" | R"+_rx+" <- teclado"; break;
case Mnemonicos.OUTCHAR: texto = "PC: "+pc+"	| OUTCHAR R"+_rx+", R"+_ry+" | video[R"+_rx+"] <- char[R"+_ry+"]"; break;
case Mnemonicos.MOV:
switch(model.pega_pedaco(ir,1,0))
{ case 0: texto = "PC: "+pc+"	| MOV R"+_rx+", R"+_ry+" | R"+_rx+" <- R"+_ry; break;
case 1: texto = "PC: "+pc+"	| MOV R"+_rx+", SP | R"+_rx+" <- SP"; break;
default: texto = "PC: "+pc+"	| MOV SP, R"+_rx+" | SP <- R"+_rx; break;
}
break;
case Mnemonicos.STORE: texto = "PC: "+pc+"	| STORE "+model.getMem(pc+1)+", R"+_rx+" | MEM["+model.getMem(pc+1)+"] <- R"+_rx; break;
case Mnemonicos.STOREINDEX: texto = "PC: "+pc+"	| STOREI R"+_rx+", R"+_ry+" | MEM[R"+_rx+"] <- R"+_ry; break;
case Mnemonicos.LOAD: texto = "PC: "+pc+"	| LOAD R"+_rx+", "+_rx+" | R"+_rx+" <- MEM["+model.getMem(pc+1)+"]"; break;
case Mnemonicos.LOADIMED: texto = "PC: "+pc+"	| LOADN R"+_rx+", #"+model.getMem(pc+1)+" | R"+_rx+" <- #"+model.getMem(pc+1); break;
case Mnemonicos.LOADINDEX: texto = "PC: "+pc+"	| LOADI R"+_rx+", R"+_ry+" | R"+_rx+" <- MEM[R"+_ry+"]"; break;
case Mnemonicos.LAND: texto = "PC: "+pc+"	| AND R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" and R"+_rz; break;
case Mnemonicos.LOR: texto = "PC: "+pc+"	| OR R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" or R"+_rz; break;
case Mnemonicos.LXOR: texto = "PC: "+pc+"	| XOR R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" xor R"+_rz; break;
case Mnemonicos.LNOT: texto = "PC: "+pc+"	| NOT R"+_rx+", R"+_ry+" | R"+_rx+" <- R"+_ry; break;
case Mnemonicos.CMP: texto = "PC: "+pc+"	| CMP R"+_rx+", R"+_ry+" | FR <- \<eq|le|gr\>"; break;
case Mnemonicos.JMP:
switch(model.pega_pedaco(ir,9,6))
{ case 0: texto = "PC: "+pc+"	| JMP #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 1: texto = "PC: "+pc+"	| JEQ #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 2: texto = "PC: "+pc+"	| JNE #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 3: texto = "PC: "+pc+"	| JZ #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 4: texto = "PC: "+pc+"	| JNZ #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 5: texto = "PC: "+pc+"	| JC #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 6: texto = "PC: "+pc+"	| JNC #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 7: texto = "PC: "+pc+"	| JGR #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 8: texto = "PC: "+pc+"	| JLE #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 9: texto = "PC: "+pc+"	| JEG #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 10: texto = "PC: "+pc+"	| JEL #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 11: texto = "PC: "+pc+"	| JOV #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 12: texto = "PC: "+pc+"	| JNO #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 13: texto = "PC: "+pc+"	| JDZ #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
case 14: texto = "PC: "+pc+"	| JN #"+model.getMem(pc+1)+" | PC <- #"+model.getMem(pc+1); break;
default: console.log("Erro. Instrucao inesperada em show_program"); break;
}
break;
case Mnemonicos.PUSH:
if(!model.pega_pedaco(ir,6,6)) // Registrador
{ texto = "PC: "+pc+"	| PUSH R"+_rx+" | MEM["+sp+"] <- R"+_rx+"] ";
break;
}
texto = "PC: "+pc+"	| PUSH FR | MEM["+sp+"] <- FR]" // FR
break;
case Mnemonicos.POP:
if(!model.pega_pedaco(ir,6,6)) // Registrador
{ texto = "PC: "+pc+"	| POP R"+_rx+" | R"+_rx+" <- MEM["+sp+"] ";
break;
}
texto = "PC: "+pc+"	| POP FR | FR <- MEM["+sp+"] "; // FR
break;
case Mnemonicos.CALL:
switch(model.pega_pedaco(ir,9,6))
{ case 0: texto = "PC: "+pc+"	| CALL #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 1: texto = "PC: "+pc+"	| CEQ #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 2: texto = "PC: "+pc+"	| CNE #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 3: texto = "PC: "+pc+"	| CZ #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 4: texto = "PC: "+pc+"	| CNZ #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 5: texto = "PC: "+pc+"	| CC #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 6: texto = "PC: "+pc+"	| CNC #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 7: texto = "PC: "+pc+"	| CGR #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 8: texto = "PC: "+pc+"	| CLE #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 9: texto = "PC: "+pc+"	| CEG #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 10: texto = "PC: "+pc+"	| CEL #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 11: texto = "PC: "+pc+"	| COV #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 12: texto = "PC: "+pc+"	| CNO #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 13: texto = "PC: "+pc+"	| CDZ #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
case 14: texto = "PC: "+pc+"	| CN #"+model.getMem(pc+1)+"		| M["+sp+"]<-PC; SP--; PC<-#"+model.getMem(pc+1); break;
default: printf("Erro. Linha inesperada show_program"); break;
}
break;
case Mnemonicos.RTS: texto = "PC: "+pc+"	| RTS | SP++; PC <- MEM["+sp+"]; PC++"; break;
case Mnemonicos.ADD: texto = "PC: "+pc+"	| ADD R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" + R"+_rz;break;
case Mnemonicos.SUB: texto = "PC: "+pc+"	| SUB R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" - R"+_rz;break;
case Mnemonicos.MULT: texto = "PC: "+pc+"	| MULT R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" * R"+_rz; break;
case Mnemonicos.DIV: texto = "PC: "+pc+"	| DIV R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" / R"+_rz;break;
case Mnemonicos.LMOD: texto = "PC: "+pc+"	| MOD R"+_rx+", R"+_ry+", R"+_rz+" | R"+_rx+" <- R"+_ry+" %% R"+_rz; break;
case Mnemonicos.INC:
if(!model.pega_pedaco(ir,6,6)) // Inc Rx
{ texto = "PC: "+pc+"	| INC R"+_rx+" | R"+_rx+" <- R"+_rx + " + 1";
break;
}
texto = "PC: "+pc+"	| DEC R"+_rx+" | R"+_rx+" <- R"+_rx+" - 1";// Dec Rx
break;
case Mnemonicos.SHIFT: // Nao tive paciencia de fazer diferente para cada SHIFT/ROT
switch(model.pega_pedaco(ir,6,4))
{ case 0: texto = "PC: "+pc+"	| SHIFTL0 R"+_rx+", #"+model.pega_pedaco(ir,3,0)+" | R"+_rx+" <-'0' << "+model.pega_pedaco(ir,3,0); break;
case 1: texto = "PC: "+pc+"	| SHIFTL1 R"+_rx+", #"+model.pega_pedaco(ir,3,0)+" | R"+_rx+" <-'1' << "+model.pega_pedaco(ir,3,0); break;
case 2: texto = "PC: "+pc+"	| SHIFTR0 R"+_rx+", #"+model.pega_pedaco(ir,3,0)+" | '0'. R"+_rx+" >> "+model.pega_pedaco(ir,3,0);break;
case 3: texto = "PC: "+pc+"	| SHIFTR1 R"+_rx+", #"+model.pega_pedaco(ir,3,0)+" | '1'. R"+_rx+" >> "+model.pega_pedaco(ir,3,0);break;
default:
if(model.pega_pedaco(ir,6,5) == 2) // ROTATE LEFT
{ texto = "PC: "+pc+"	| ROTL R"+_rx+", #"+model.pega_pedaco(ir,3,0)+" | R"+_rx+" <- R"+_rx+" << "+model.pega_pedaco(ir,3,0);
break;
}
texto = "PC: "+pc+"	| ROTR R"+_rx+", #"+model.pega_pedaco(ir,3,0)+" | R"+_rx+" . R"+_rx+" >> "+model.pega_pedaco(ir,3,0); break;
}
break;
case Mnemonicos.SETC: texto = "PC: "+pc+"	| SETC | C <- "+model.pega_pedaco(ir,9,9); break;
case Mnemonicos.HALT: texto = "PC: "+pc+"	| HALT | Pausa a execucao"; break;
case Mnemonicos.NOP: texto = "PC: "+pc+"	| NOOP | Do nothing"; break;
case Mnemonicos.BREAKP: texto = "PC: "+pc+"	| BREAKP #"+model.pega_pedaco(ir,9,0)+" | Break Point"; break;
default:
console.log("ERRO - show program linha: " + linha + " pc " + pc +" " +Mnemonicos.JMP);
break;
}
this.escrever_na_tela(texto, linha, 1);
}
// ---- interface grafica ------
this.escrever_na_tela = function(string, linha, size){
buffer[linha]=string;
document.getElementById('listinst').innerHTML = '';
buffer[0]="LINHA | INSTRUCAO";
buffer[2]="Proximas:";
for(var i=0;i<35;i++){
document.getElementById('listinst').innerHTML += buffer[i] + "<br>";
}
}
this.model = model;
// adiciona o view como observador
model.registraRegistrador(this);
model.registraInstrucoes(this);
model.registraVideo(this);
// recupera o nome do charmap e do cpuram
charmap = model.getCharmap();
cpuram = model.getCpuram();
// recupera o desenhos binario dos caracteres
chars = model.getChars();
}