commit: 26d3e20258e3a161d912530e6647fd2bd36b4641
parent 2f187255e07d1dcb246c5739dcb6ff2425ec8c9e
Author: Adrian Siekierka <asiekierka@gmail.com>
Date: Tue, 27 Dec 2011 12:08:46 +0100
minor optimizations 2
Diffstat:
| M | ibniz.html | 227 | +++++++++++++++++++++++++++++++++++++------------------------------------------ |
1 file changed, 106 insertions(+), 121 deletions(-)
diff --git a/ibniz.html b/ibniz.html
@@ -24,14 +24,15 @@ function Stack (len)
//this.stack = new Int32Array(buffer);
this.stack = new Array(len);
this.pos = -1;
+ this.len=len;
this.push = function(v){
- if(this.pos==4095) return -1;
+ if(this.pos==this.len-1) return -1;
this.pos++;
this.stack[this.pos]=v|0;
return 0;
}
this.push2 = function(v){
- if(this.pos>=4094) return -1;
+ if(this.pos>=this.len-2) return -1;
this.pos+=2;
this.stack[this.pos-1]=v|0;
this.stack[this.pos]=v|0;
@@ -97,14 +98,6 @@ function Stack (len)
document.write("[POP] 5/6: " + this.pop() + " == 0<br>");
document.write("[EXC2] 6/6: " + this.exchange() + " == -1<br>");
}
- this.print = function(){
- var str = "";
- for(var i=0;i<=this.pos;i++)
- {
- str = str + this.stack[i] + ",";
- }
- return str;
- }
}
function Memory ()
{
@@ -442,103 +435,6 @@ function Parser()
cmd = this.parsedCode[this.ip];
switch(cmd[0])
{
- case 4: // op+nextip
- switch(cmd[1])
- {
- case 123:
- this.mem.put(this.rol16(this.stack.pop()),this.rol16(this.ip+1));
- this.ip = cmd[2];
- break;
- case 63:
- a = this.stack.pop();
- if(a==0) this.ip = cmd[2];
- break;
- case 58:
- this.ip = cmd[2];
- break;
- }
- break;
- case 3: // imm+op
- switch(cmd[2])
- {
- case 43:
- this.stack.push(this.alu.add(cmd[1],this.stack.pop()));
- break;
- case 45:
- this.stack.push(this.alu.sub(cmd[1],this.stack.pop()));
- break;
- case 42:
- this.stack.push(this.alu.mul(cmd[1],this.stack.pop()));
- break;
- case 47:
- this.stack.push(this.alu.div(cmd[1],this.stack.pop()));
- break;
- case 37:
- this.stack.push(this.alu.mod(cmd[1],this.stack.pop()));
- break;
- case 38:
- this.stack.push(this.alu.and(cmd[1],this.stack.pop()));
- break;
- case 124:
- this.stack.push(this.alu.or(cmd[1],this.stack.pop()));
- break;
- case 94:
- this.stack.push(this.alu.xor(cmd[1],this.stack.pop()));
- break;
- case 108:
- this.stack.push(this.alu.shl(cmd[1],this.stack.pop()));
- break;
- case 114:
- this.stack.push(this.alu.ror(cmd[1],this.stack.pop()));
- break;
- case 97:
- this.stack.push(this.alu.atan2(cmd[1],this.stack.pop()));
- break;
- case 115:
- this.stack.push(this.alu.sin(cmd[1]));
- break;
- case 113:
- this.stack.push(this.alu.sqrt(cmd[1]));
- break;
- case 126:
- this.stack.push(this.alu.not(cmd[1]));
- break;
- case 100:
- this.stack.push2(cmd[1]);
- break;
- case 40:
- this.stack.puttop(cmd[1],this.stack.pop());
- break;
- case 41:
- this.stack.push(this.stack.gettop(cmd[1]));
- break;
- case 74:
- this.ip = cmd[1];
- break;
- case 64:
- this.stack.push(this.mem.get(cmd[1]));
- break;
- case 33:
- this.mem.put(cmd[1],this.stack.pop());
- break;
- case 86:
- this.rstack.push(this.rol16(this.ip+1));
- this.ip = this.rol16(this.mem.get(cmd[1]))-1;
- break;
- case 88:
- this.rstack.push(cmd[1]);
- this.rstack.push(this.rol16(this.ip+1));
- break;
- case 80:
- this.rstack.push(cmd[1]);
- break;
- case 112:
- break;
- }
- break;
- case 2: // imm
- this.stack.push(cmd[1]);
- break;
case 1: // op
switch(cmd[1])
{
@@ -690,6 +586,103 @@ function Parser()
break;
}
break;
+ case 4: // op+nextip
+ switch(cmd[1])
+ {
+ case 123:
+ this.mem.put(this.rol16(this.stack.pop()),this.rol16(this.ip+1));
+ this.ip = cmd[2];
+ break;
+ case 63:
+ a = this.stack.pop();
+ if(a==0) this.ip = cmd[2];
+ break;
+ case 58:
+ this.ip = cmd[2];
+ break;
+ }
+ break;
+ case 3: // imm+op
+ switch(cmd[2])
+ {
+ case 43:
+ this.stack.push(this.alu.add(cmd[1],this.stack.pop()));
+ break;
+ case 45:
+ this.stack.push(this.alu.sub(cmd[1],this.stack.pop()));
+ break;
+ case 42:
+ this.stack.push(this.alu.mul(cmd[1],this.stack.pop()));
+ break;
+ case 47:
+ this.stack.push(this.alu.div(cmd[1],this.stack.pop()));
+ break;
+ case 37:
+ this.stack.push(this.alu.mod(cmd[1],this.stack.pop()));
+ break;
+ case 38:
+ this.stack.push(this.alu.and(cmd[1],this.stack.pop()));
+ break;
+ case 124:
+ this.stack.push(this.alu.or(cmd[1],this.stack.pop()));
+ break;
+ case 94:
+ this.stack.push(this.alu.xor(cmd[1],this.stack.pop()));
+ break;
+ case 108:
+ this.stack.push(this.alu.shl(cmd[1],this.stack.pop()));
+ break;
+ case 114:
+ this.stack.push(this.alu.ror(cmd[1],this.stack.pop()));
+ break;
+ case 97:
+ this.stack.push(this.alu.atan2(cmd[1],this.stack.pop()));
+ break;
+ case 115:
+ this.stack.push(this.alu.sin(cmd[1]));
+ break;
+ case 113:
+ this.stack.push(this.alu.sqrt(cmd[1]));
+ break;
+ case 126:
+ this.stack.push(this.alu.not(cmd[1]));
+ break;
+ case 100:
+ this.stack.push2(cmd[1]);
+ break;
+ case 40:
+ this.stack.puttop(cmd[1],this.stack.pop());
+ break;
+ case 41:
+ this.stack.push(this.stack.gettop(cmd[1]));
+ break;
+ case 74:
+ this.ip = cmd[1];
+ break;
+ case 64:
+ this.stack.push(this.mem.get(cmd[1]));
+ break;
+ case 33:
+ this.mem.put(cmd[1],this.stack.pop());
+ break;
+ case 86:
+ this.rstack.push(this.rol16(this.ip+1));
+ this.ip = this.rol16(this.mem.get(cmd[1]))-1;
+ break;
+ case 88:
+ this.rstack.push(cmd[1]);
+ this.rstack.push(this.rol16(this.ip+1));
+ break;
+ case 80:
+ this.rstack.push(cmd[1]);
+ break;
+ case 112:
+ break;
+ }
+ break;
+ case 2: // imm
+ this.stack.push(cmd[1]);
+ break;
default:
break;
}
@@ -706,12 +699,6 @@ p.t=0;
var codeEdit = document.getElementById("code");
var fpsField = document.getElementById("fps");
var pause = document.getElementById("pause");
-function clamp(a)
-{
- if(a<0) return 0;
- else if(a>255) return 255;
- else return a;
-}
function derp()
{
if(!pause.checked)
@@ -722,19 +709,17 @@ function derp()
var cy = 0;
var cu = 0;
var cv = 0;
- for(y=0;y<256;y++)
+ for(p.y=0;p.y<256;p.y++)
{
- p.y=y;
- for(x=0;x<256;x++)
+ for(p.x=0;p.x<256;p.x++)
{
- p.x=x;
p.run();
- cy = ((p.videoout>>>8)&255);
+ cy = (p.videoout>>>8)&255;
cu = (((p.videoout>>>16)&255)^0x80)-128;
cv = ((p.videoout>>>24)^0x80)-128;
- id[imgpos++] = clamp((298*cy + 409*cv + 128)>>8);
- id[imgpos++] = clamp((298*cy - 100*cu - 208*cv + 128)>>8);
- id[imgpos++] = clamp((298*cy + 516*cu + 128)>>8);
+ id[imgpos++] = (298*cy + 409*cv + 128)>>8;
+ id[imgpos++] = (298*cy - 100*cu - 208*cv + 128)>>8;
+ id[imgpos++] = (298*cy + 516*cu + 128)>>8;
id[imgpos++] = 255;
}
}
