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GB IO: Fix reading from palette data

This commit is contained in:
Jeffrey Pfau 2016-02-21 15:40:51 -08:00
parent 123dc18398
commit 2315e52855
1 changed files with 2 additions and 2 deletions
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4
src/gb/io.c
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@ -338,7 +338,7 @@ void GBIOWrite(struct GB* gb, unsigned address, uint8_t value) {
case REG_BCPS:
gb->video.bcpIndex = value & 0x3F;
gb->video.bcpIncrement = value & 0x80;
gb->memory.io[REG_BCPD] = gb->video.palette[gb->video.bcpIndex >> 1];
gb->memory.io[REG_BCPD] = gb->video.palette[gb->video.bcpIndex >> 1] >> (8 * (gb->video.bcpIndex & 1));
break;
case REG_BCPD:
GBVideoProcessDots(&gb->video);
@ -347,7 +347,7 @@ void GBIOWrite(struct GB* gb, unsigned address, uint8_t value) {
case REG_OCPS:
gb->video.ocpIndex = value & 0x3F;
gb->video.ocpIncrement = value & 0x80;
gb->memory.io[REG_OCPD] = gb->video.palette[8 * 4 + (gb->video.ocpIndex >> 1)];
gb->memory.io[REG_OCPD] = gb->video.palette[8 * 4 + (gb->video.ocpIndex >> 1)] >> (8 * (gb->video.ocpIndex & 1));
break;
case REG_OCPD:
GBVideoProcessDots(&gb->video);