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Declare 1 constant. This can be done just below the prototype section. Put the following divider above the constant section.
;************************ Constants ***************************
Declare a constant LF to hold the ASCII value for a linefeed: 0Ah
A linefeed moves the cursor to the next line.
You can embed a LF in your declaration of the string variables below.
Example: name byte "Fred Kennedy",LF,0
If the above string were printed with WriteString as follows, Fred Kennedy would print then the cursor would move to the beginning of the next line.
movedx, offset name
callWriteString
You could also embed a LF at the beginning of a string which would move the cursor to the next line then the string would print:
name byte LF,"Fred Kennedy",0
See WriteStringLFconstants.asm on the class web site for examples of declaring strings with embedded LF and how to declare constants.
Hold Response Sequence The HOLD pin is examined at leading edge of each clock pulse. If it is received active line by the processor before T4 of the earlier cycle/during the T1
DMA Hardware (8237 DMAC) : 1)Processor contain HOLD/HOLD Acknowledge lines to interact with 8237 o DMAC can achieve control of ISA bus by asserting HOLD o P
8279 Keyword /Display Controller : Figure shows the structure of 8279 and its interface to the bus. Addressing is according to the table given below. CS RD
Entering a Program In this section, we will explain the procedure for entering a small program on IBM PC with DOS operating system. Assume a program of addition of 2 bytes, as
RICS/CISC Architecture An essential aspect of computer architecture is the design of the instruction set for the processor. The instruction set selected for a specific compute
Write an assembly program that will compute and output tuition cost: a. accept keyboard input of the number of credit hours taken b. accept keyboard input of the type of classes 1
Write an application that does the following:(1) fill an array with 50 random integers; (2) loop through the array, displaying each value, and count the number of negative values;
how to code
Addressing mode of 8086 : Addressing mode specify a way of locating operands or data. Depending on the data types used the memory addressing modes and in the instruction ,
which uses BIOS interrupt INT 21 to read current system time and displays it on the top-left corner of screen.
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