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GB Video: Support priority background attribute

This commit is contained in:
Jeffrey Pfau 2016-02-16 23:41:15 -08:00
parent 2266ecf86e
commit fb0555e4fb
1 changed files with 14 additions and 8 deletions
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22
src/gb/renderers/software.c
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@ -131,14 +131,14 @@ static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, i
color_t* row = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y];
int x;
for (x = startX; x < endX; x += 8) {
row[x] = softwareRenderer->palette[softwareRenderer->row[x]];
row[x + 1] = softwareRenderer->palette[softwareRenderer->row[x + 1]];
row[x + 2] = softwareRenderer->palette[softwareRenderer->row[x + 2]];
row[x + 3] = softwareRenderer->palette[softwareRenderer->row[x + 3]];
row[x + 4] = softwareRenderer->palette[softwareRenderer->row[x + 4]];
row[x + 5] = softwareRenderer->palette[softwareRenderer->row[x + 5]];
row[x + 6] = softwareRenderer->palette[softwareRenderer->row[x + 6]];
row[x + 7] = softwareRenderer->palette[softwareRenderer->row[x + 7]];
row[x] = softwareRenderer->palette[softwareRenderer->row[x] & 0x7F];
row[x + 1] = softwareRenderer->palette[softwareRenderer->row[x + 1] & 0x7F];
row[x + 2] = softwareRenderer->palette[softwareRenderer->row[x + 2] & 0x7F];
row[x + 3] = softwareRenderer->palette[softwareRenderer->row[x + 3] & 0x7F];
row[x + 4] = softwareRenderer->palette[softwareRenderer->row[x + 4] & 0x7F];
row[x + 5] = softwareRenderer->palette[softwareRenderer->row[x + 5] & 0x7F];
row[x + 6] = softwareRenderer->palette[softwareRenderer->row[x + 6] & 0x7F];
row[x + 7] = softwareRenderer->palette[softwareRenderer->row[x + 7] & 0x7F];
}
}
@ -188,6 +188,9 @@ static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer
if (renderer->model >= GB_MODEL_CGB) {
GBObjAttributes attrs = attr[topX + topY];
p = GBObjAttributesGetCGBPalette(attrs) * 4;
if (GBObjAttributesIsPriority(attrs)) {
p |= 0x80;
}
if (GBObjAttributesIsBank(attrs)) {
localData += GB_SIZE_VRAM_BANK0;
}
@ -221,6 +224,9 @@ static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer
if (renderer->model >= GB_MODEL_CGB) {
GBObjAttributes attrs = attr[topX + topY];
p = GBObjAttributesGetCGBPalette(attrs) * 4;
if (GBObjAttributesIsPriority(attrs)) {
p |= 0x80;
}
if (GBObjAttributesIsBank(attrs)) {
localData += GB_SIZE_VRAM_BANK0;
}