TABLE OF CONTENTS | 1. | Convert the instruction addwf 0x030,f to machine code. |
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| 2. | Convert the instruction addwf 0x230,f to machine code. |
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| 3. | Convert the instruction goto 0x043E to machine code. |
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| 4. | Convert the machine code 0x010A to a PIC18 instruction. |
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| 5. | Convert the machine code 0xC2A5 0xF100 to a PIC18 instruction. |
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| 6. | Convert the instruction word 0x0E09 to a PIC18 instruction. |
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| 7. | What memory location is modified by the instruction addwf 0x230, f, BANKED (warning: this is a trick question)? |
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| 8. | Write PIC18 assembly that will accomplish k = i-j where i is location 0x100, j is location 0x240, and k is location 0x030. The variables i, j, k are all byte variables. |
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| 9. | Given a 16 MHz clock, how long do the three instructions starting from location 0x0210 ( addwf, movwf, goto) of Listing 3.13 take to execute? Give the answer in microseconds. |
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| 10. | Write a PIC18 instruction sequence that accomplishes k = i + j + 5, where i, j, and k are in the same locations as Listing 3.9. |
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| 11. | Write a PIC18 instruction sequence that copies file register locations 0x100 through 0x103 to locations 0x200 through 0x203. |
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| 12. | How many NOP instructions are executed in one second assuming a 25 MHz FOSC? |
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| 13. | What is the value of W after the instruction subwf WREG,w is executed? |
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Answers
| 1. | addwf 0x030, f = 0010 01da ffff ffff; destination is |
