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ELT253 Microprocessor Systems

ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

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Page 1: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253

Microprocessor Systems

Page 2: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Memory Address

Page 3: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Move Immediate to Register

Page 4: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Two Input Ports to Control Output Devices

Page 5: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Direct Addressing

Page 6: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Direct Addressing

Page 7: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Indirect Addressing

Page 8: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Load Extended Immediate

Page 9: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Example of LXI

Page 10: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Move From Memory

Page 11: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Move to Memory

Page 12: ELT253 Microprocessor Systemsfaculty.chemeketa.edu/csekafet/ELT253/L6B.pdf8085 cpu a-reg 88h mvi a. 88h pgm memory mvi a 88h (opcode) (data) ... mov a.m memory 203fh 20401-1 after:

ELT253 Microprocessor Systems

Instructional Review