ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GB Video: Prevent dot clock from going negative

This commit is contained in:
Jeffrey Pfau 2016-09-12 20:15:40 -07:00
parent c292f7ea93
commit 54cd85d236
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/gb/video.c
View File

@ -257,6 +257,9 @@ void GBVideoProcessDots(struct GBVideo* video) {
video->x = video->dotCounter + video->eventDiff + (video->p->cpu->cycles >> video->p->doubleSpeed); video->x = video->dotCounter + video->eventDiff + (video->p->cpu->cycles >> video->p->doubleSpeed);
if (video->x > GB_VIDEO_HORIZONTAL_PIXELS) { if (video->x > GB_VIDEO_HORIZONTAL_PIXELS) {
video->x = GB_VIDEO_HORIZONTAL_PIXELS; video->x = GB_VIDEO_HORIZONTAL_PIXELS;
} else if (video->x < 0) {
mLOG(GB, FATAL, "Video dot clock went negative!");
video->x = oldX;
} }
if (video->x == GB_VIDEO_HORIZONTAL_PIXELS) { if (video->x == GB_VIDEO_HORIZONTAL_PIXELS) {
video->dotCounter = INT_MIN; video->dotCounter = INT_MIN;