"Assignment Due Today (Week 3) ? Chapter 1 Homework: – Problems:? 1, 4, 5, 7, 9, 11, 12, 15, 18, 19, 23, 27, 29 ? Lab Assignment – 8051_Lab1 All Assignments Must Be Typed! 1The 8051 Microcontroller andEmbedded Systems CHAPTER 2 8051 ASSEMBLYLANGUAGEPROGRAMMING 2OUTLINE ? SECTION 2.1: INSIDE THE 8051 ? SECTION 2.2: INTRODUCTION TO 8051 ASSEMBLYPROGRAMMING? SECTION 2.3: ASSEMBLING AND RUNNING AN 8051PROGRAM ? SECTION 2.4: THE PROGRAM COUNTER AND ROMSPACE IN THE 8051 ? SECTION 2.5: 8051 DATA TYPES AND DIRECTIVES ? SECTION 2.6: 8051 FLAG BITS AND THE PSWREGISTER ? SECTION 2.7: 8051 REGISTER BANKS AND STACK 4SECTION 2.1: INSIDE THE 8051 5SECTION 2.1: INSIDE THE 8051 Registers ? used to store information temporarily,– a byte of data– an address ? 8051 registers – 8-bit registers – one data type, 8 bits 6SECTION 2.1: INSIDE THE 8051 Registers (cont.) ? The 8 bits of a register are shown from MSBD7 to the LSB D0 7SECTION 2.1: INSIDE THE 8051 Registers (cont.) ? The most widely used registers – A (Accumulator) ? For all arithmetic and logic instructions – B, R0, R1, R2, R3, R4, R5, R6, R7 Figure 2–1a Some 8-bit Registers of the 8051 8SECTION 2.1: INSIDE THE 8051 Registers (cont.) ? The most widely used registers (cont.) – DPTR (data pointer), and PC (program counter) Figure 2–1b Some 8051 16-bit Registers 10SECTION 2.1: INSIDE THE 8051 MOV instruction ? MOV destination, source;copy source to destination 11SECTION 2.1: INSIDE THE 8051 MOV instruction (cont.) ? MOV destination, source;copy source to destination 13SECTION 2.1: INSIDE THE 8051 MOV instruction (cont.) ? Notes on programming 14SECTION 2.1: INSIDE THE 8051 MOV instruction (cont.) ? Notes on programming 15SECTION 2.1: INSIDE THE 8051 ADD instruction? ADD A, source ; ADD the source operand; to the accumulator 17SECTION 2.1: INSIDE THE 8051 ADD instruction (cont.) ? ADD A, source ; ADD the source operand; to the accumulator ? Source operand can be either a register orimmediate data, but the destination must alwaysbe register A ? “ADD R4, A” ; invalid? ? “ADD R2, #12H” ; invalid? 18SECTION 2.1: INSIDE THE 8051 ADD instruction (cont.) ? ADD A, source ; ADD the source operand; to the accumulator ? Source operand can be either a register orimmediate data, but the destination must alwaysbe register A ? “ADD R4, A” ; invalid ? “ADD R2, #12H” ; invalid ? Register A must be the destination of any arithmeticoperation 19"