Unformatted text preview: b. LDX $150C – Loads index register X with 16-bit value from memory location $150C. N and Z flags are updated and V flag is cleared. c. STAB $2C5D – Stores the contents of accumulator B at memory location $2C5D. N and Z flags are updated and V flag is cleared. d. SUBA $3000 – Subtract the 8-bit contents of memory location $3000 from accumulator A. Updates N, Z, V, C flags. 4. Determine the C flag value after the following operations are executed by the CPU. Assume that accumulators A and B contain $57 and $AE respectively. a. C = 1 b. C = 1 c. C = 0 d. C = 1...
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- Spring '08
- Addition, English-language films, Central processing unit, Elementary arithmetic, memory location, LDD