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Cleared up funky behavior on lo-res graphics, and some improvement on rendering for Crazy Cycles demo

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This commit is contained in:
Brendan Robert 2016-01-03 16:44:09 -06:00
parent ca6a831020
commit c261f0f103
2 changed files with 7 additions and 5 deletions
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10
src/main/java/jace/apple2e/VideoNTSC.java
View File

@ -90,22 +90,24 @@ public class VideoNTSC extends VideoDHGR {
@Override
protected void displayLores(WritableImage screen, int xOffset, int y, int rowAddress) {
int data = ((RAM128k) computer.getMemory()).getMainMemory().readByte(rowAddress + xOffset) & 0x0FF;
int pos = xOffset >> 1;
if (rowStart < 0) {
rowStart = pos;
}
colorActive[xOffset * 2] = colorActive[xOffset * 2 + 1] = true;
int data = ((RAM128k) computer.getMemory()).getMainMemory().readByte(rowAddress + xOffset) & 0x0FF;
colorActive[xOffset * 2] = true;
colorActive[xOffset * 2 + 1] = true;
if ((xOffset & 1) == 0) {
int pat = scanline[pos] & 0x0fffc000;
if ((y & 7) < 4) {
data &= 15;
} else {
data >>= 4;
}
int pat = data | data << 4 | data << 8 | (data & 3) << 12;
pat |= data | data << 4 | data << 8 | (data & 3) << 12;
scanline[pos] = pat;
} else {
int pat = scanline[pos];
int pat = scanline[pos] & 0x03fff;
if ((y & 7) < 4) {
data &= 15;
} else {

2
src/main/java/jace/core/Video.java
View File

@ -164,7 +164,7 @@ public abstract class Video extends Device {
x = -1;
}
} else {
if (!isVblank && x < (APPLE_CYCLES_PER_LINE-1)) {
if (!isVblank && x < APPLE_CYCLES_PER_LINE) {
draw();
}
if (x >= APPLE_CYCLES_PER_LINE - 1) {