Direct addressing mode

Lecture Advanced computer architecture: Lesson 4 (Part 1). The main topics covered in this chapter include: encoding for the GPRs, indexed addressing mode, Direct addressing mode, store register to memory, load register from memory, immediate 2’s complement addition,...

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Lecture Advanced computer architecture: Lesson 2 (Part 2). The main topics covered in this chapter include: immediate addressing mode, direct addressing mode, indirect addressing mode, register (direct) addressing mode, register indirect addressing, relative addressing, features of RISC machines,...

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Cùng tìm hiểu Addressing Modes; Immediate Addressing; Immediate Addressing Diagram; Direct Addressing;... được trình bày cụ thể trong "Bài giảng Computer Organization and Architecture: Chapter 11 - Instruction Sets: Addressing Modes and Formats".

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Although the entire of 128 bytes of RAM can be accessed using direct addressing mode, it is most often used to access RAM loc. 30 – 7FH. MOV R0, 40H MOV 56H, A MOV A, 4 ; ≡ MOV A, R4 MOV 6, 2 ; copy R2 to R6 ; MOV R6,R2 is invalid !

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For interrupt response time information, refer to the hardware description chapter. Note: 1. Operations on SFR byte address 208 or bit addresses 209-215 (that is, the PSW or bits in the PSW) also affect flag settings. Instructions that Affect Flag Settings(1) The Instruction Set and Addressing Modes Rn Register R7-R0 of the currently selected Register Bank. direct 8-bit internal data location’s address. This could be an Internal Data RAM location (0-127) or a SFR [i.e., I/O port, control register, status register, etc. (128-255)].

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Architecture and Instruction Set of the TMS320C3x Processor Architecture and Instruction set of the TMS320C3x processor Memory addressing modes Assembler directives Programming examples using TMS320C3x assembly code, C code, and C-callable TMS320C3x assembly function. Several programming examples included in this chapter illustrate the architecture, the assembler directives, and the instruction set of the TMS320C3x processor and associated tools.

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Architecture and Instruction Set of the C6x Processor • • • • • Architecture and instruction set of the TMS320C6x processor Addressing modes Assembler directives Linear assembler Programming examples using C, assembly, and linear assembly code 3.1 INTRODUCTION Texas Instruments introduced the first-generation TMS32010 digital signal processor in 1982, the TMS320C25 in 1986 [1], and the TMS320C50 in 1991. Several versions of each of these processors—C1x, C2x, and C5x—are available with different features, such as faster execution speed.

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