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The code I provided is a subtraction code, but the whole process i am doing is division through subtraction, so i loop and subtract with incrementing a counter until i get a smaller number in dividend than the divisor
My problem is in the subtraction code, when i subtract 0x0005 from 0xFF00 ...
It's stuck because I am doing a division loop, which calls subtract each time, when dividend reaches 0xFF00 and divisor is 0x0005 , the dividend value becomes 0xFFFB, that means the borrow is not handled correctly in the subtraction, here an infinite loop occurs
Hi All, I got the following code to subtract 2-byte numbers in pic 16f877a assembly
"
SUB16 MACRO DST, SRC
MOVF (SRC),W ; Get low byte of subtrahend
SUBWF (DST),F ; Subtract DST(low) - SRC(low)
MOVF (SRC)+1,W ; Now get high byte of...
Guys, I am setting the decimal digit into each variable, then I am trying to write code like follows:
SPECIAL_COMBINE
clrf SPECIAL_COMB_HIGH_BYTE
clrf SPECIAL_COMB_LOW_BYTE
movlw 0x27
movwf TEMP_HIGH_BYTE
movlw 0x10
movwf TEMP_LOW_BYTE
movf DIGIT5, 0
call...
I need to complete a task and task is to implement an assembly code
pic16F877A
I tried the approach you are talking about, but my code wasn't strong enough to be able to achieve my goal, it didn't convert the number in the right way, so i am looking for someone who can write a valid function
it's unsigned,
I defined variable
RESULT RES 2 to reserve 2 bytes
actually I want to read 2 number (2 bytes each), and do calculations over them like addition and division, all of them unsigned
I have an example like :
movlw D'1'
movwf digit1
movlw D'2'
movwf digit2
movlw D'3'
movwf digit3
movlw D'4'
movwf digit4
movlw D'5'
movwf digit5
I want a function that converts these ascii digits to a decimal two bytes number which should be 12345, note that this is only an...
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