.model small .stack 100h .data .code main proc mov ah,1; Just focus on these two lines, else are just a structure, int 21h ; else are like #include and main() in C you can think off now main endp end main Give
ORG100h.MODEL SMALL.CODE MOV AL,7DH;Sets AL to7DH INC AL;AL=AL+1RET;stops the program Output In this example, AL is loaded with hexadecimal value of 7DH. The increment instruction adds 1 to the value inside AL and then store final result in the same AL register. 8086 AAA (Adjust...
Chapter 2 -- Basic Programming Model Chapter 3 -- Applications Instruction Set Part II Systems Programming Chapter 4 -- Systems Architecture Chapter 5 -- Memory Management Chapter 6 -- Protection Chapter 7 -- Multitasking Chapter 8 -- Input/Output ...
Lecture 18 Programing Model of 8086 Lecture 19 Clock Generation in 8086 Lecture 20 Memory Mapped IO Vs IO Mapped IO of 8086 Section 4: Architecture and Pin Diagram of 8086 Microprocessor Lecture 21 Architecture of 8086 Lecture 22 Pin Diagram of 8086 Section 5: Minimum mode of 8086 Microprocesso...
VMEVirtual 8086 mode extensions (such as VIF, VIP, PIV) DEDebugging extensions (CR4 bit 3) PSEPage Size Extension TSCTime Stamp Counter MSRModel-specific registers PAEPhysical Address Extension MCEMachine Check Exception CX8CMPXCHG8 (compare-and-swap) instruction ...
The first part is rather theoretical, the ISO OSI model is presented and some of the layers (data-link layer, network layer and transport layer) are explained in more depth. The second part of the chapter is more practical; different network protocols are presented like ARP, ICMP, IP, TCP...
In 1978, his implementations of Forth on the Level 6 and 8086 represented the first resident software on both CPUs, anticipating their manufacturers’ systems by many months. 2.2.1 Environmental constraints Minicomputers of the 1970s were much less powerful than the smallest microcomputers of today...
展平模型 Flat memory model,内存对于程序就是一个完整连续空间,即线性地址空间,按字节寻址,代码、数据、调用栈全都在这个空间里。在这个线性连续空间的任体一个字节的地址都叫线性地址,如果不是 64-bit 架构,最大可寻址 2^32 共 4GB。 分段模型,分段的内存对程序来说就是独立的地址空间,代码、数据、堆栈通常...
1 Data Abstraction C++ directly supports the use of programmer-defined data types that function much like the predefined data types already in the language. Such abstract data types can be defined to model the problem being solved. Object-Oriented Features The class, the fundamental unit of data...
MSRπ= Model Specific Register MSRψ= Machine State Register NMI = Non-Maskable-Interrupt (highest Interrupt) NOP = NoOperartion-OpCode [=opcode without effect (except increment of Iπ/PCμ)] OLB = OpCode Lower Byte = last byte in the opcode ...