WebDec 28, 2010 · org 7C00h; A20 in al, 092h or al, 2 out 080h, al out 092h, al ; video mode 80x25: mov ah, 00h mov al, 03h int 10h; Hide blinking mov ch, 32 mov ah, 1 int 10h;-----enter 32 biti mode-----cli lgdt fword [gdt.size] mov eax, cr0 or al, 1 mov cr0, eax jmp gdt.code_descriptor: Mode32 ;-----GDT-----gdt: dw 0.size dw gdt_end -gdt -1 dd gdt .null ... WebMar 22, 2024 · IN AL, O3H – reads data from 8bit port whose address is 03H. 6) OUT: Output to the port. It is used for writing output to the port. The address may be specified directly …
Computer Organization and Assembly Language - Adelphi …
AL=03h: Use attributes in string; update the cursor position. So you can either use the same attribute (colors) for the entire string by specifying the attribute in BL for modes 00h or 01h, or intermingle the attributes in the string itself to print each character with a different attribute. Web– The registers AL and AX are the allowed source operands for 8 bit and 16 bit operations respectively. – If the address is of 16 bits it must be in DX. – OUT 03H, AL; This sends data available in AL to a port whose address is 03H. – OUT DX,AX; This sends data available in AX to a port whose address is specified implicitly in DX. permission and license for shoe
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WebFeb 10, 2024 · EVANSTON, IL — Al Durham kept coming through in clutch situations to give Indiana a 79-76 double-overtime win over Northwestern Wednesday in Evanston. … WebIt stands for operational code. It specifies the type of operation to be performed by CPU It is the first field in the machine language instruction format. E.g. 08 is the opcode for instruction “MOV X,Y”. Operand:- We can also say it as data on which operation should act . operands may be register values or memory values. WebApr 8, 2014 · RCL AL, 1; if AL = 9EH and Carry = 1 4/1/2014 Prof. K. U. Sharma, PRMCEAM, Contact: [email protected], 9096996329 Carry Flag Destination 16. Problems: 1. Write a program that saves bit 5 of AL in BX as a word. 2. Given that DL = 8D, CL = 3 and CF = 1. Determine the result after execution of following shift and rotate instructions. permission authorization 違い