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| reading more than a byte from file http://www.easy68k.com/EASy68Kforum/viewtopic.php?f=5&t=1293 |
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| Author: | smdirru22 [ Wed Feb 26, 2014 12:21 am ] |
| Post subject: | reading more than a byte from file |
Is there a way to read more than only one byte when reading from a file ? when i use task 53 each character is read as one byte im trying to read a number with 2 digits or more how can i do this ? my problem occurs when i read a file that has something like 10 2 3 my buffer will have 31 30 20 32 20 33 so is there a way to read in the 10 as a 10 not as 1 and a 0 ? thanks |
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| Author: | profkelly [ Fri Feb 28, 2014 11:28 pm ] |
| Post subject: | Re: reading more than a byte from file |
If the file contains a number written using ASCII text you will need to convert the ASCII number into binary. If the file contains binary numbers they may be read one byte at a time and saved to a variable. |
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| Author: | smdirru22 [ Sun Mar 02, 2014 3:13 am ] |
| Post subject: | Re: reading more than a byte from file |
profkelly wrote: If the file contains a number written using ASCII text you will need to convert the ASCII number into binary. If the file contains binary numbers they may be read one byte at a time and saved to a variable. Thank you for the reply. how would you suggest converting the ASCII text to binary and load it into a data register ? |
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| Author: | profkelly [ Mon Mar 03, 2014 8:15 pm ] |
| Post subject: | Re: reading more than a byte from file |
Code: num = 0
read char while is digit num = num * 10 ; make room for next digit char = char - $30 ; convert from ASCII to binary num = num + char read char endwhile |
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