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-rw-r--r--js.2/ppu.js411
1 files changed, 202 insertions, 209 deletions
diff --git a/js.2/ppu.js b/js.2/ppu.js
index cb92332..ec6ff77 100644
--- a/js.2/ppu.js
+++ b/js.2/ppu.js
@@ -231,7 +231,7 @@ JSNES.PPU.prototype = {
// Sets Nametable mirroring.
setMirroring: function(mirroring){
- if(mirroring == this.currentMirroring){
+ if (mirroring == this.currentMirroring) {
return;
}
@@ -256,7 +256,7 @@ JSNES.PPU.prototype = {
this.defineMirrorRegion(0x3000,0x2000,0xf00);
this.defineMirrorRegion(0x4000,0x0000,0x4000);
- if(mirroring == this.nes.rom.HORIZONTAL_MIRRORING){
+ if (mirroring == this.nes.rom.HORIZONTAL_MIRRORING) {
// Horizontal mirroring.
this.ntable1[0] = 0;
@@ -267,7 +267,7 @@ JSNES.PPU.prototype = {
this.defineMirrorRegion(0x2400,0x2000,0x400);
this.defineMirrorRegion(0x2c00,0x2800,0x400);
- }else if(mirroring == this.nes.rom.VERTICAL_MIRRORING){
+ }else if (mirroring == this.nes.rom.VERTICAL_MIRRORING) {
// Vertical mirroring.
this.ntable1[0] = 0;
@@ -278,7 +278,7 @@ JSNES.PPU.prototype = {
this.defineMirrorRegion(0x2800,0x2000,0x400);
this.defineMirrorRegion(0x2c00,0x2400,0x400);
- }else if(mirroring == this.nes.rom.SINGLESCREEN_MIRRORING){
+ }else if (mirroring == this.nes.rom.SINGLESCREEN_MIRRORING) {
// Single Screen mirroring
@@ -291,7 +291,7 @@ JSNES.PPU.prototype = {
this.defineMirrorRegion(0x2800,0x2000,0x400);
this.defineMirrorRegion(0x2c00,0x2000,0x400);
- }else if(mirroring == this.nes.rom.SINGLESCREEN_MIRRORING2){
+ }else if (mirroring == this.nes.rom.SINGLESCREEN_MIRRORING2) {
this.ntable1[0] = 1;
@@ -303,7 +303,7 @@ JSNES.PPU.prototype = {
this.defineMirrorRegion(0x2800,0x2400,0x400);
this.defineMirrorRegion(0x2c00,0x2400,0x400);
- }else{
+ }else {
// Assume Four-screen mirroring.
@@ -321,7 +321,7 @@ JSNES.PPU.prototype = {
// Assumes the regions don't overlap.
// The 'to' region is the region that is physically in memory.
defineMirrorRegion: function(fromStart, toStart, size){
- for(var i=0;i<size;i++){
+ for (var i=0;i<size;i++) {
this.vramMirrorTable[fromStart+i] = toStart+i;
}
},
@@ -332,7 +332,7 @@ JSNES.PPU.prototype = {
this.nes.cpu.requestIrq(this.nes.cpu.IRQ_NMI);
// Make sure everything is rendered:
- if(this.lastRenderedScanline < 239){
+ if (this.lastRenderedScanline < 239) {
this.renderFramePartially(
this.lastRenderedScanline+1,240-this.lastRenderedScanline
);
@@ -350,7 +350,7 @@ JSNES.PPU.prototype = {
case 19:
// Dummy scanline.
// May be variable length:
- if(this.dummyCycleToggle){
+ if (this.dummyCycleToggle) {
// Remove dead cycle at end of scanline,
// for next scanline:
@@ -370,7 +370,7 @@ JSNES.PPU.prototype = {
this.spr0HitX = -1;
this.spr0HitY = -1;
- if(this.f_bgVisibility == 1 || this.f_spVisibility==1){
+ if (this.f_bgVisibility == 1 || this.f_spVisibility==1) {
// Update counters:
this.cntFV = this.regFV;
@@ -379,21 +379,21 @@ JSNES.PPU.prototype = {
this.cntVT = this.regVT;
this.cntHT = this.regHT;
- if(this.f_bgVisibility==1){
+ if (this.f_bgVisibility==1) {
// Render dummy scanline:
this.renderBgScanline(false,0);
}
}
- if(this.f_bgVisibility==1 && this.f_spVisibility==1){
+ if (this.f_bgVisibility==1 && this.f_spVisibility==1) {
// Check sprite 0 hit for first scanline:
this.checkSprite0(0);
}
- if(this.f_bgVisibility==1 || this.f_spVisibility==1){
+ if (this.f_bgVisibility==1 || this.f_spVisibility==1) {
// Clock mapper IRQ Counter:
this.nes.mmap.clockIrqCounter();
}
@@ -427,10 +427,10 @@ JSNES.PPU.prototype = {
// Check for sprite 0 (next scanline):
if (!this.hitSpr0 && this.f_spVisibility == 1) {
- if (this.sprX[0] >= -7
- && this.sprX[0] < 256
- && this.sprY[0] + 1 <= (this.scanline - 20)
- && (this.sprY[0] + 1 + (
+ if (this.sprX[0] >= -7 &&
+ this.sprX[0] < 256 &&
+ this.sprY[0] + 1 <= (this.scanline - 20) &&
+ (this.sprY[0] + 1 + (
this.f_spriteSize === 0 ? 8 : 16
)) >= (this.scanline - 20)) {
if (this.checkSprite0(this.scanline - 20)) {
@@ -441,7 +441,7 @@ JSNES.PPU.prototype = {
}
- if(this.f_bgVisibility==1 || this.f_spVisibility==1){
+ if (this.f_bgVisibility==1 || this.f_spVisibility==1) {
// Clock mapper IRQ Counter:
this.nes.mmap.clockIrqCounter();
}
@@ -512,9 +512,9 @@ JSNES.PPU.prototype = {
// Draw spr#0 hit coordinates:
if (this.showSpr0Hit) {
// Spr 0 position:
- if (this.sprX[0] >= 0 && this.sprX[0] < 256
- && this.sprY[0] >= 0 && this.sprY[0] < 240) {
- for (i=0; i<256; i++){
+ if (this.sprX[0] >= 0 && this.sprX[0] < 256 &&
+ this.sprY[0] >= 0 && this.sprY[0] < 240) {
+ for (i=0; i<256; i++) {
buffer[(this.sprY[0]<<8)+i] = 0xFF5555;
}
for (i=0; i<240; i++) {
@@ -522,8 +522,8 @@ JSNES.PPU.prototype = {
}
}
// Hit position:
- if (this.spr0HitX >= 0 && this.spr0HitX < 256
- && this.spr0HitY >= 0 && this.spr0HitY < 240) {
+ if (this.spr0HitX >= 0 && this.spr0HitX < 256 &&
+ this.spr0HitY >= 0 && this.spr0HitY < 240) {
for (i=0; i<256; i++) {
buffer[(this.spr0HitY<<8)+i] = 0x55FF55;
}
@@ -538,14 +538,14 @@ JSNES.PPU.prototype = {
// both are clipped after rendering is finished.
if (this.clipToTvSize || this.f_bgClipping === 0 || this.f_spClipping === 0) {
// Clip left 8-pixels column:
- for(y=0;y<240;y++){
- for(x=0;x<8;x++){
+ for (y=0;y<240;y++) {
+ for (x=0;x<8;x++) {
buffer[(y<<8)+x] = 0;
}
}
}
- if(this.clipToTvSize){
+ if (this.clipToTvSize) {
// Clip right 8-pixels column too:
for (y=0; y<240; y++) {
for (x=0; x<8; x++) {
@@ -676,12 +676,12 @@ JSNES.PPU.prototype = {
scrollWrite: function(value){
this.triggerRendering();
- if(this.firstWrite){
+ if (this.firstWrite) {
// First write, horizontal scroll:
this.regHT = (value>>3)&31;
this.regFH = value&7;
- }else{
+ }else {
// Second write, vertical scroll:
this.regFV = value&7;
@@ -697,14 +697,14 @@ JSNES.PPU.prototype = {
// The first write sets the high byte, the second the low byte.
writeVRAMAddress: function(address){
- if(this.firstWrite){
+ if (this.firstWrite) {
this.regFV = (address>>4)&3;
this.regV = (address>>3)&1;
this.regH = (address>>2)&1;
this.regVT = (this.regVT&7) | ((address&3)<<3);
- }else{
+ }else {
this.triggerRendering();
this.regVT = (this.regVT&24) | ((address>>5)&7);
@@ -724,7 +724,7 @@ JSNES.PPU.prototype = {
// Invoke mapper latch:
this.cntsToAddress();
- if(this.vramAddress < 0x2000){
+ if (this.vramAddress < 0x2000) {
this.nes.mmap.latchAccess(this.vramAddress);
}
},
@@ -785,10 +785,10 @@ JSNES.PPU.prototype = {
this.cntsToAddress();
this.regsToAddress();
- if(this.vramAddress >= 0x2000){
+ if (this.vramAddress >= 0x2000) {
// Mirroring is used.
this.mirroredWrite(this.vramAddress,value);
- }else{
+ }else {
// Write normally.
this.writeMem(this.vramAddress,value);
@@ -811,7 +811,7 @@ JSNES.PPU.prototype = {
sramDMA: function(value){
var baseAddress = value * 0x100;
var data;
- for(var i=this.sramAddress; i < 256; i++){
+ for (var i=this.sramAddress; i < 256; i++) {
data = this.nes.cpu.mem[baseAddress+i];
this.spriteMem[i] = data;
this.spriteRamWriteUpdate(i, data);
@@ -905,37 +905,37 @@ JSNES.PPU.prototype = {
// Writes to memory, taking into account
// mirroring/mapping of address ranges.
mirroredWrite: function(address, value){
- if(address>=0x3f00 && address<0x3f20){
+ if (address>=0x3f00 && address<0x3f20) {
// Palette write mirroring.
- if(address==0x3F00 || address==0x3F10){
+ if (address==0x3F00 || address==0x3F10) {
this.writeMem(0x3F00,value);
this.writeMem(0x3F10,value);
- }else if(address==0x3F04 || address==0x3F14){
+ }else if (address==0x3F04 || address==0x3F14) {
this.writeMem(0x3F04,value);
this.writeMem(0x3F14,value);
- }else if(address==0x3F08 || address==0x3F18){
+ }else if (address==0x3F08 || address==0x3F18) {
this.writeMem(0x3F08,value);
this.writeMem(0x3F18,value);
- }else if(address==0x3F0C || address==0x3F1C){
+ }else if (address==0x3F0C || address==0x3F1C) {
this.writeMem(0x3F0C,value);
this.writeMem(0x3F1C,value);
- }else{
+ }else {
this.writeMem(address,value);
}
- }else{
+ }else {
// Use lookup table for mirrored address:
- if(address<this.vramMirrorTable.length){
+ if (address<this.vramMirrorTable.length) {
this.writeMem(this.vramMirrorTable[address],value);
- }else{
+ }else {
// FIXME
alert("Invalid VRAM address: "+address.toString(16));
}
@@ -944,7 +944,7 @@ JSNES.PPU.prototype = {
},
triggerRendering: function(){
- if(this.scanline >= 21 && this.scanline <= 260){
+ if (this.scanline >= 21 && this.scanline <= 260) {
// Render sprites, and combine:
this.renderFramePartially(
this.lastRenderedScanline+1,
@@ -957,7 +957,7 @@ JSNES.PPU.prototype = {
},
renderFramePartially: function(startScan, scanCount){
- if(this.f_spVisibility == 1){
+ if (this.f_spVisibility == 1) {
this.renderSpritesPartially(startScan,scanCount,true);
}
@@ -1007,17 +1007,17 @@ JSNES.PPU.prototype = {
var t, tpix, att, col;
- for(var tile=0;tile<32;tile++){
+ for (var tile=0;tile<32;tile++) {
- if(scan>=0){
+ if (scan>=0) {
// Fetch tile & attrib data:
- if(this.validTileData){
+ if (this.validTileData) {
// Get data from array:
t = scantile[tile];
tpix = t.pix;
att = attrib[tile];
- }else{
+ }else {
// Fetch data:
t = ptTile[baseTile+nameTable[this.curNt].getTileIndex(this.cntHT,this.cntVT)];
tpix = t.pix;
@@ -1030,21 +1030,21 @@ JSNES.PPU.prototype = {
var sx = 0;
var x = (tile<<3)-this.regFH;
- if(x>-8){
- if(x<0){
+ if (x>-8) {
+ if (x<0) {
destIndex-=x;
sx = -x;
}
- if(t.opaque[this.cntFV]){
- for(;sx<8;sx++){
+ if (t.opaque[this.cntFV]) {
+ for (;sx<8;sx++) {
targetBuffer[destIndex] = imgPalette[
tpix[tscanoffset+sx]+att
];
pixrendered[destIndex] |= 256;
destIndex++;
}
- }else{
- for(;sx<8;sx++){
+ }else {
+ for (;sx<8;sx++) {
col = tpix[tscanoffset+sx];
if(col !== 0) {
targetBuffer[destIndex] = imgPalette[
@@ -1060,7 +1060,7 @@ JSNES.PPU.prototype = {
}
// Increase Horizontal Tile Counter:
- if(++this.cntHT==32){
+ if (++this.cntHT==32) {
this.cntHT=0;
this.cntH++;
this.cntH%=2;
@@ -1078,15 +1078,15 @@ JSNES.PPU.prototype = {
// update vertical scroll:
this.cntFV++;
- if(this.cntFV==8){
+ if (this.cntFV==8) {
this.cntFV = 0;
this.cntVT++;
- if(this.cntVT==30){
+ if (this.cntVT==30) {
this.cntVT = 0;
this.cntV++;
this.cntV%=2;
this.curNt = this.ntable1[(this.cntV<<1)+this.cntH];
- }else if(this.cntVT==32){
+ }else if (this.cntVT==32) {
this.cntVT = 0;
}
@@ -1097,52 +1097,52 @@ JSNES.PPU.prototype = {
},
renderSpritesPartially: function(startscan, scancount, bgPri){
- if(this.f_spVisibility==1){
+ if (this.f_spVisibility === 1) {
- var sprT1,sprT2;
-
- for(var i=0;i<64;i++){
- if(this.bgPriority[i]==bgPri && this.sprX[i]>=0 && this.sprX[i]<256 && this.sprY[i]+8>=startscan && this.sprY[i]<startscan+scancount){
+ for (var i=0;i<64;i++) {
+ if (this.bgPriority[i]==bgPri && this.sprX[i]>=0 &&
+ this.sprX[i]<256 && this.sprY[i]+8>=startscan &&
+ this.sprY[i]<startscan+scancount) {
// Show sprite.
- if(this.f_spriteSize === 0){
+ if (this.f_spriteSize === 0) {
// 8x8 sprites
this.srcy1 = 0;
this.srcy2 = 8;
- if(this.sprY[i]<startscan){
+ if (this.sprY[i]<startscan) {
this.srcy1 = startscan - this.sprY[i]-1;
}
- if(this.sprY[i]+8 > startscan+scancount){
+ if (this.sprY[i]+8 > startscan+scancount) {
this.srcy2 = startscan+scancount-this.sprY[i]+1;
}
- if(this.f_spPatternTable===0){
+ if (this.f_spPatternTable===0) {
this.ptTile[this.sprTile[i]].render(this.buffer,
0, this.srcy1, 8, this.srcy2, this.sprX[i],
this.sprY[i]+1, this.sprCol[i], this.sprPalette,
this.horiFlip[i], this.vertFlip[i], i,
this.pixrendered
);
- }else{
+ }else {
this.ptTile[this.sprTile[i]+256].render(this.buffer, 0, this.srcy1, 8, this.srcy2, this.sprX[i], this.sprY[i]+1, this.sprCol[i], this.sprPalette, this.horiFlip[i], this.vertFlip[i], i, this.pixrendered);
}
- }else{
+ }else {
// 8x16 sprites
var top = this.sprTile[i];
- if((top&1)!==0){
+ if ((top&1)!==0) {
top = this.sprTile[i]-1+256;
}
var srcy1 = 0;
var srcy2 = 8;
- if(this.sprY[i]<startscan){
+ if (this.sprY[i]<startscan) {
srcy1 = startscan - this.sprY[i]-1;
}
- if(this.sprY[i]+8 > startscan+scancount){
+ if (this.sprY[i]+8 > startscan+scancount) {
srcy2 = startscan+scancount-this.sprY[i];
}
@@ -1162,14 +1162,14 @@ JSNES.PPU.prototype = {
this.pixrendered
);
- var srcy1 = 0;
- var srcy2 = 8;
+ srcy1 = 0;
+ srcy2 = 8;
- if(this.sprY[i]+8<startscan){
+ if (this.sprY[i]+8<startscan) {
srcy1 = startscan - (this.sprY[i]+8+1);
}
- if(this.sprY[i]+16 > startscan+scancount){
+ if (this.sprY[i]+16 > startscan+scancount) {
srcy2 = startscan+scancount-(this.sprY[i]+8);
}
@@ -1202,41 +1202,42 @@ JSNES.PPU.prototype = {
var toffset;
var tIndexAdd = (this.f_spPatternTable === 0?0:256);
- var x,y;
+ var x, y, t, i;
var bufferIndex;
var col;
var bgPri;
- var t;
x = this.sprX[0];
y = this.sprY[0]+1;
- if(this.f_spriteSize === 0){
+ if (this.f_spriteSize === 0) {
// 8x8 sprites.
// Check range:
- if(y<=scan && y+8>scan && x>=-7 && x<256){
+ if (y <= scan && y + 8 > scan && x >= -7 && x < 256) {
// Sprite is in range.
// Draw scanline:
- t = this.ptTile[this.sprTile[0]+tIndexAdd];
+ t = this.ptTile[this.sprTile[0] + tIndexAdd];
col = this.sprCol[0];
bgPri = this.bgPriority[0];
- if(this.vertFlip[0]){
- toffset = 7-(scan-y);
- }else{
- toffset = scan-y;
+ if (this.vertFlip[0]) {
+ toffset = 7 - (scan -y);
}
- toffset*=8;
+ else {
+ toffset = scan - y;
+ }
+ toffset *= 8;
- bufferIndex = scan*256+x;
- if(this.horiFlip[0]){
- for(var i=7;i>=0;i--){
- if(x>=0 && x<256){
- if(bufferIndex>=0 && bufferIndex<61440 && this.pixrendered[bufferIndex]!==0){
- if(t.pix[toffset+i] !== 0){
- this.spr0HitX = bufferIndex%256;
+ bufferIndex = scan * 256 + x;
+ if (this.horiFlip[0]) {
+ for (i = 7; i >= 0; i--) {
+ if (x >= 0 && x < 256) {
+ if (bufferIndex>=0 && bufferIndex<61440 &&
+ this.pixrendered[bufferIndex] !==0 ) {
+ if (t.pix[toffset+i] !== 0) {
+ this.spr0HitX = bufferIndex % 256;
this.spr0HitY = scan;
return true;
}
@@ -1245,13 +1246,14 @@ JSNES.PPU.prototype = {
x++;
bufferIndex++;
}
-
- }else{
- for(var i=0;i<8;i++){
- if(x>=0 && x<256){
- if(bufferIndex>=0 && bufferIndex<61440 && this.pixrendered[bufferIndex]!==0){
- if(t.pix[toffset+i] != 0){
- this.spr0HitX = bufferIndex%256;
+ }
+ else {
+ for (i = 0; i < 8; i++) {
+ if (x >= 0 && x < 256) {
+ if (bufferIndex >= 0 && bufferIndex < 61440 &&
+ this.pixrendered[bufferIndex] !==0 ) {
+ if (t.pix[toffset+i] !== 0) {
+ this.spr0HitX = bufferIndex % 256;
this.spr0HitY = scan;
return true;
}
@@ -1262,30 +1264,31 @@ JSNES.PPU.prototype = {
}
}
}
- }else{
+ }
+ else {
// 8x16 sprites:
// Check range:
- if(y<=scan && y+16>scan && x>=-7 && x<256){
-
+ if (y <= scan && y + 16 > scan && x >= -7 && x < 256) {
// Sprite is in range.
// Draw scanline:
- if(this.vertFlip[0]){
+ if (this.vertFlip[0]) {
toffset = 15-(scan-y);
- }else{
+ }else {
toffset = scan-y;
}
- if(toffset<8){
+ if (toffset<8) {
// first half of sprite.
t = this.ptTile[this.sprTile[0]+(this.vertFlip[0]?1:0)+((this.sprTile[0]&1)!==0?255:0)];
- }else{
+ }else {
// second half of sprite.
t = this.ptTile[this.sprTile[0]+(this.vertFlip[0]?0:1)+((this.sprTile[0]&1)!==0?255:0)];
- if(this.vertFlip[0]){
+ if (this.vertFlip[0]) {
toffset = 15-toffset;
- }else{
+ }
+ else {
toffset -= 8;
}
}
@@ -1294,11 +1297,11 @@ JSNES.PPU.prototype = {
bgPri = this.bgPriority[0];
bufferIndex = scan*256+x;
- if(this.horiFlip[0]){
- for(var i=7;i>=0;i--){
- if(x>=0 && x<256){
- if(bufferIndex>=0 && bufferIndex<61440 && this.pixrendered[bufferIndex]!==0){
- if(t.pix[toffset+i] != 0){
+ if (this.horiFlip[0]) {
+ for (i=7;i>=0;i--) {
+ if (x>=0 && x<256) {
+ if (bufferIndex>=0 && bufferIndex<61440 && this.pixrendered[bufferIndex]!==0) {
+ if (t.pix[toffset+i] !== 0) {
this.spr0HitX = bufferIndex%256;
this.spr0HitY = scan;
return true;
@@ -1309,12 +1312,13 @@ JSNES.PPU.prototype = {
bufferIndex++;
}
- }else{
+ }
+ else {
- for(var i=0;i<8;i++){
- if(x>=0 && x<256){
- if(bufferIndex>=0 && bufferIndex<61440 && this.pixrendered[bufferIndex]!==0){
- if(t.pix[toffset+i] != 0){
+ for (i=0;i<8;i++) {
+ if (x>=0 && x<256) {
+ if (bufferIndex>=0 && bufferIndex<61440 && this.pixrendered[bufferIndex]!==0) {
+ if (t.pix[toffset+i] !== 0) {
this.spr0HitX = bufferIndex%256;
this.spr0HitY = scan;
return true;
@@ -1338,79 +1342,68 @@ JSNES.PPU.prototype = {
// update internally buffered data
// appropriately.
writeMem: function(address, value){
-
this.vramMem[address] = value;
// Update internally buffered data:
- if(address < 0x2000){
-
+ if (address < 0x2000) {
this.vramMem[address] = value;
this.patternWrite(address,value);
-
- }else if(address >=0x2000 && address <0x23c0){
-
- this.nameTableWrite(this.ntable1[0],address-0x2000,value);
-
- }else if(address >=0x23c0 && address <0x2400){
-
+ }
+ else if (address >=0x2000 && address <0x23c0) {
+ this.nameTableWrite(this.ntable1[0], address - 0x2000, value);
+ }
+ else if (address >=0x23c0 && address <0x2400) {
this.attribTableWrite(this.ntable1[0],address-0x23c0,value);
-
- }else if(address >=0x2400 && address <0x27c0){
-
+ }
+ else if (address >=0x2400 && address <0x27c0) {
this.nameTableWrite(this.ntable1[1],address-0x2400,value);
-
- }else if(address >=0x27c0 && address <0x2800){
-
+ }
+ else if (address >=0x27c0 && address <0x2800) {
this.attribTableWrite(this.ntable1[1],address-0x27c0,value);
-
- }else if(address >=0x2800 && address <0x2bc0){
-
+ }
+ else if (address >=0x2800 && address <0x2bc0) {
this.nameTableWrite(this.ntable1[2],address-0x2800,value);
-
- }else if(address >=0x2bc0 && address <0x2c00){
-
+ }
+ else if (address >=0x2bc0 && address <0x2c00) {
this.attribTableWrite(this.ntable1[2],address-0x2bc0,value);
-
- }else if(address >=0x2c00 && address <0x2fc0){
-
+ }
+ else if (address >=0x2c00 && address <0x2fc0) {
this.nameTableWrite(this.ntable1[3],address-0x2c00,value);
-
- }else if(address >=0x2fc0 && address <0x3000){
-
+ }
+ else if (address >=0x2fc0 && address <0x3000) {
this.attribTableWrite(this.ntable1[3],address-0x2fc0,value);
-
- }else if(address >=0x3f00 && address <0x3f20){
-
+ }
+ else if (address >=0x3f00 && address <0x3f20) {
this.updatePalettes();
-
}
},
// Reads data from $3f00 to $f20
// into the two buffered palettes.
updatePalettes: function(){
+ var i;
- for(var i=0;i<16;i++){
- if (this.f_dispType == 0) {
+ for (i = 0; i < 16; i++) {
+ if (this.f_dispType === 0) {
this.imgPalette[i] = this.palTable.getEntry(
- this.vramMem[0x3f00+i] & 63
+ this.vramMem[0x3f00 + i] & 63
);
}
else {
this.imgPalette[i] = this.palTable.getEntry(
- this.vramMem[0x3f00+i] & 32
+ this.vramMem[0x3f00 + i] & 32
);
}
}
- for(var i=0;i<16;i++){
- if (this.f_dispType == 0) {
+ for (i = 0; i < 16; i++) {
+ if (this.f_dispType === 0) {
this.sprPalette[i] = this.palTable.getEntry(
- this.vramMem[0x3f10+i] & 63
+ this.vramMem[0x3f10 + i] & 63
);
}
else {
this.sprPalette[i] = this.palTable.getEntry(
- this.vramMem[0x3f10+i] & 32
+ this.vramMem[0x3f10 + i] & 32
);
}
}
@@ -1420,7 +1413,7 @@ JSNES.PPU.prototype = {
// table buffers with this new byte.
// In vNES, there is a version of this with 4 arguments which isn't used.
patternWrite: function(address, value){
- var tileIndex = parseInt(address/16);
+ var tileIndex = parseInt(address / 16, 10);
var leftOver = address%16;
if (leftOver<8) {
this.ptTile[tileIndex].setScanline(
@@ -1458,27 +1451,27 @@ JSNES.PPU.prototype = {
// Updates the internally buffered sprite
// data with this new byte of info.
spriteRamWriteUpdate: function(address, value){
- var tIndex = parseInt(address/4);
+ var tIndex = parseInt(address / 4, 10);
- if(tIndex == 0){
+ if (tIndex === 0) {
//updateSpr0Hit();
this.checkSprite0(this.scanline-20);
}
- if(address%4 == 0){
+ if (address%4 === 0) {
// Y coordinate
this.sprY[tIndex] = value;
- }else if(address%4 == 1){
+ }else if (address%4 == 1) {
// Tile index
this.sprTile[tIndex] = value;
- }else if(address%4 == 2){
+ }else if (address%4 == 2) {
// Attributes
this.vertFlip[tIndex] = ((value&0x80)!==0);
this.horiFlip[tIndex] = ((value&0x40)!==0);
this.bgPriority[tIndex] = ((value&0x20)!==0);
this.sprCol[tIndex] = (value&3)<<2;
- }else if(address%4 == 3){
+ }else if (address%4 == 3) {
// X coordinate
this.sprX[tIndex] = value;
}
@@ -1512,16 +1505,16 @@ JSNES.PPU.NameTable.prototype = {
writeAttrib: function(index, value){
var basex = (index % 8) * 4;
- var basey = parseInt(index / 8) * 4;
+ var basey = parseInt(index / 8, 10) * 4;
var add;
var tx, ty;
var attindex;
- for(var sqy=0;sqy<2;sqy++){
- for(var sqx=0;sqx<2;sqx++){
+ for (var sqy=0;sqy<2;sqy++) {
+ for (var sqx=0;sqx<2;sqx++) {
add = (value>>(2*(sqy*2+sqx)))&3;
- for(var y=0;y<2;y++){
- for(var x=0;x<2;x++){
+ for (var y=0;y<2;y++) {
+ for (var x=0;x<2;x++) {
tx = basex+sqx*2+x;
ty = basey+sqy*2+y;
attindex = ty*this.width+tx;
@@ -1561,19 +1554,19 @@ JSNES.PPU.PaletteTable.prototype = {
var r,g,b,col;
// Calculate a table for each possible emphasis setting:
- for(var emph=0;emph<8;emph++){
+ for (var emph=0;emph<8;emph++) {
// Determine color component factors:
var rFactor=1.0, gFactor=1.0, bFactor=1.0;
- if((emph&1)!==0){
+ if ((emph&1)!==0) {
rFactor = 0.75;
bFactor = 0.75;
}
- if((emph&2)!==0){
+ if ((emph&2)!==0) {
rFactor = 0.75;
gFactor = 0.75;
}
- if((emph&4)!==0){
+ if ((emph&4)!==0) {
gFactor = 0.75;
bFactor = 0.75;
}
@@ -1581,20 +1574,20 @@ JSNES.PPU.PaletteTable.prototype = {
this.emphTable[emph] = new Array(64);
// Calculate table:
- for(var i=0;i<64;i++){
+ for (var i=0;i<64;i++) {
col = this.curTable[i];
- r = parseInt(this.getRed(col) * rFactor);
- g = parseInt(this.getGreen(col) * gFactor);
- b = parseInt(this.getBlue(col) * bFactor);
+ r = parseInt(this.getRed(col) * rFactor, 10);
+ g = parseInt(this.getGreen(col) * gFactor, 10);
+ b = parseInt(this.getBlue(col) * bFactor, 10);
this.emphTable[emph][i] = this.getRgb(r,g,b);
}
}
},
setEmphasis: function(emph){
- if(emph != this.currentEmph){
+ if (emph != this.currentEmph) {
this.currentEmph = emph;
- for(var i=0;i<64;i++){
+ for (var i=0;i<64;i++) {
this.curTable[i] = this.emphTable[emph][i];
}
}
@@ -1712,7 +1705,7 @@ JSNES.PPU.Tile = function() {
JSNES.PPU.Tile.prototype = {
setBuffer: function(scanline){
- for(this.y=0;this.y<8;this.y++){
+ for (this.y=0;this.y<8;this.y++) {
this.setScanline(this.y,scanline[this.y],scanline[this.y+8]);
}
},
@@ -1720,9 +1713,9 @@ JSNES.PPU.Tile.prototype = {
setScanline: function(sline, b1, b2){
this.initialized = true;
this.tIndex = sline<<3;
- for(this.x=0;this.x<8;this.x++){
- this.pix[this.tIndex+this.x] = ((b1>>(7-this.x))&1)
- + (((b2>>(7-this.x))&1)<<1);
+ for (this.x = 0; this.x < 8; this.x++) {
+ this.pix[this.tIndex + this.x] = ((b1 >> (7 - this.x)) & 1) +
+ (((b2 >> (7 - this.x)) & 1) << 1);
if(this.pix[this.tIndex+this.x] === 0) {
this.opaque[sline] = false;
}
@@ -1731,37 +1724,37 @@ JSNES.PPU.Tile.prototype = {
render: function(buffer, srcx1, srcy1, srcx2, srcy2, dx, dy, palAdd, palette, flipHorizontal, flipVertical, pri, priTable) {
- if(dx<-7 || dx>=256 || dy<-7 || dy>=240){
+ if (dx<-7 || dx>=256 || dy<-7 || dy>=240) {
return;
}
this.w=srcx2-srcx1;
this.h=srcy2-srcy1;
- if(dx<0){
+ if (dx<0) {
srcx1-=dx;
}
- if(dx+srcx2>=256){
+ if (dx+srcx2>=256) {
srcx2=256-dx;
}
- if(dy<0){
+ if (dy<0) {
srcy1-=dy;
}
- if(dy+srcy2>=240){
+ if (dy+srcy2>=240) {
srcy2=240-dy;
}
- if(!flipHorizontal && !flipVertical){
+ if (!flipHorizontal && !flipVertical) {
this.fbIndex = (dy<<8)+dx;
this.tIndex = 0;
- for(this.y=0;this.y<8;this.y++){
- for(this.x=0;this.x<8;this.x++){
- if(this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2){
+ for (this.y=0;this.y<8;this.y++) {
+ for (this.x=0;this.x<8;this.x++) {
+ if (this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2) {
this.palIndex = this.pix[this.tIndex];
this.tpri = priTable[this.fbIndex];
- if(this.palIndex!==0 && pri<=(this.tpri&0xFF)){
+ if (this.palIndex!==0 && pri<=(this.tpri&0xFF)) {
//console.log("Rendering upright tile to buffer");
buffer[this.fbIndex] = palette[this.palIndex+palAdd];
this.tpri = (this.tpri&0xF00)|pri;
@@ -1775,16 +1768,16 @@ JSNES.PPU.Tile.prototype = {
this.fbIndex+=256;
}
- }else if(flipHorizontal && !flipVertical){
+ }else if (flipHorizontal && !flipVertical) {
this.fbIndex = (dy<<8)+dx;
this.tIndex = 7;
- for(this.y=0;this.y<8;this.y++){
- for(this.x=0;this.x<8;this.x++){
- if(this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2){
+ for (this.y=0;this.y<8;this.y++) {
+ for (this.x=0;this.x<8;this.x++) {
+ if (this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2) {
this.palIndex = this.pix[this.tIndex];
this.tpri = priTable[this.fbIndex];
- if(this.palIndex!==0 && pri<=(this.tpri&0xFF)){
+ if (this.palIndex!==0 && pri<=(this.tpri&0xFF)) {
buffer[this.fbIndex] = palette[this.palIndex+palAdd];
this.tpri = (this.tpri&0xF00)|pri;
priTable[this.fbIndex] =this.tpri;
@@ -1803,12 +1796,12 @@ JSNES.PPU.Tile.prototype = {
this.fbIndex = (dy<<8)+dx;
this.tIndex = 56;
- for(this.y=0;this.y<8;this.y++){
- for(this.x=0;this.x<8;this.x++){
- if(this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2){
+ for (this.y=0;this.y<8;this.y++) {
+ for (this.x=0;this.x<8;this.x++) {
+ if (this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2) {
this.palIndex = this.pix[this.tIndex];
this.tpri = priTable[this.fbIndex];
- if(this.palIndex!==0 && pri<=(this.tpri&0xFF)){
+ if (this.palIndex!==0 && pri<=(this.tpri&0xFF)) {
buffer[this.fbIndex] = palette[this.palIndex+palAdd];
this.tpri = (this.tpri&0xF00)|pri;
priTable[this.fbIndex] =this.tpri;
@@ -1826,12 +1819,12 @@ JSNES.PPU.Tile.prototype = {
else {
this.fbIndex = (dy<<8)+dx;
this.tIndex = 63;
- for(this.y=0;this.y<8;this.y++){
- for(this.x=0;this.x<8;this.x++){
- if(this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2){
+ for (this.y=0;this.y<8;this.y++) {
+ for (this.x=0;this.x<8;this.x++) {
+ if (this.x>=srcx1 && this.x<srcx2 && this.y>=srcy1 && this.y<srcy2) {
this.palIndex = this.pix[this.tIndex];
this.tpri = priTable[this.fbIndex];
- if(this.palIndex!==0 && pri<=(this.tpri&0xFF)){
+ if (this.palIndex!==0 && pri<=(this.tpri&0xFF)) {
buffer[this.fbIndex] = palette[this.palIndex+palAdd];
this.tpri = (this.tpri&0xF00)|pri;
priTable[this.fbIndex] =this.tpri;
generated by cgit v1.1 at 2025-05-11 15:03:50 +0000