VTech Alphabert s Magic Readport User Manual download pdf (Page 6)

Lab Manual of Microcontroller & Interfacing Page 6

:: WORKSHEET ::

A. Write assembly language program to add two 8 bit data stored at memory locations 60h

and 61h. Store result at location 82h(LSB) and 83h (MSB).

Memory

Location

HEX

code

Label Opcode Operands Comments

B. Write assembly language program to multiply two data stored at memory location 40h

and 41h. Write result of multiplication at memory location 42h (LSB) and 43h (MSB).

Memory

Location

HEX

code

Label Opcode Operands Comments

C. Write and execute instructions to

a. Transfer content 1234h to DPTR.

b.

Select register bank 1 and transfer content 45h to register R0 and 54h to R2.

Memory

Location

HEX

code

Label Opcode Operands Comments

1 2 3 4 5 6 7 8 9 10 11 ... 79 80

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