ocr: 8 bytes (char) - optional chunk name // "Buy ERTS" num of entries * I -on entry -E - - 16 bytes 1 byte - record ID YI logically ANDed with Ox7F value - (int24l size of the block 2 bytes (uint16) width 2 bytes (uint16) - height 2 bytes (uint16) - X axis coordinate 2 bytes (uint16) - Y axis coordinate 2 bytes (uint16) - X axis position 2 bytes (uint16) - Y axis position X bytes - image data and optional palette data