There are some graphical anomalies for this game starting with r1980 and also still occur in r1981. These anomalies do not occur in r1979.
First one is the characters sometimes turn red when standing on certain places especially near a treasure chest. This only happens when running around Tartarus and not during battle. Picture which shows the red characters is attached.
Second one is polygon spikes on the main character and some of the enemies. These spikes only occur when Use vertex cache is enabled. When vertex cache is disabled, the spikes do not occur. Pictures which show these spikes are attached. First pic shows spikes on the elbow and skirt of main character. Second pic shows spikes on the skirt of main character and on the bat which Junpei (guy on the left) is holding.
First one is the characters sometimes turn red when standing on certain places especially near a treasure chest. This only happens when running around Tartarus and not during battle. Picture which shows the red characters is attached.
Second one is polygon spikes on the main character and some of the enemies. These spikes only occur when Use vertex cache is enabled. When vertex cache is disabled, the spikes do not occur. Pictures which show these spikes are attached. First pic shows spikes on the elbow and skirt of main character. Second pic shows spikes on the skirt of main character and on the bat which Junpei (guy on the left) is holding.