Homework Answers
S-Record format is
| Record Type | Byte Count | Address | Data | Checksum |
| S1 | 0D | 4000 | B6C03CC60318067AC03D | A9 |
1. The program is reside in the memory at: 4000
2. Method for checksum calculation
- Add: Add each byte 0x0D + 0x40+ 0x00 + 0xB6+ 0xC0 + 0x3C + 0xC6 + 0x03 +0x18+0x06+ox7A+oxC0+ox3D+oxA9= 0x506 total.
- Mask: Keep the least significant byte of the total = 0x06.
- Complement: Compute ones' complement of least significant byte = 0x1
Hence the correct Checksum value is :0x1.
To write assembly code ,source code is required which is not precent in tne question.
thanks.
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