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MacDraw  |  1989-03-02  |  7.8 KB  |  816x1056  |  8-bit (256 colors)  |  [PICT/MDPL]
   ocr: Figure 2 Highest Memory This 5 how. a Pointer P: SE9310: S3E4DE warkcs. pointer The variable address itselt of Is the SE9310 (OP) and 15 four bytes long. The pointer points to (contains the Higher Memory address of) the block at S3E4DE (P)- Real Thatr memary locations Data where the actual data P S3E4DE: resides (P"). Memoryo Figure 3 Highest Memory This is a nil Pointer. Note that the memory that P:SE9310: It points to (the address) 150 (Pr). This Is wrong. There Is no valid data at memory location 0. Any Higher Memory writing to or reading from this pointer 5 a bug. Real S3E4DE Data Memoryo ...